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authorbernard.xiong <[email protected]>2010-04-06 10:00:28 +0000
committerbernard.xiong <[email protected]>2010-04-06 10:00:28 +0000
commit9294a611f525bdae415844ce8343ab6588ce4363 (patch)
tree06e390b9e586863b525dce2f402aa10f3caa8fed /libcpu
parent512db75675e31e97c20c403832c414aacf408efb (diff)
add LPC11xx Cortex-M0 porting.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@583 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'libcpu')
-rw-r--r--libcpu/arm/lpc1100/CMSIS/LPC11xx.h499
-rw-r--r--libcpu/arm/lpc1100/CMSIS/core_cm0.c455
-rw-r--r--libcpu/arm/lpc1100/CMSIS/core_cm0.h960
-rw-r--r--libcpu/arm/lpc1100/CMSIS/system_LPC11xx.c450
-rw-r--r--libcpu/arm/lpc1100/CMSIS/system_LPC11xx.h64
-rw-r--r--libcpu/arm/lpc1100/context_rvds.S175
-rw-r--r--libcpu/arm/lpc1100/cpu.c42
-rw-r--r--libcpu/arm/lpc1100/fault.c47
-rw-r--r--libcpu/arm/lpc1100/fault_rvds.S32
-rw-r--r--libcpu/arm/lpc1100/interrupt.c21
-rw-r--r--libcpu/arm/lpc1100/stack.c54
-rw-r--r--libcpu/arm/lpc1100/start_rvds.s252
12 files changed, 3051 insertions, 0 deletions
diff --git a/libcpu/arm/lpc1100/CMSIS/LPC11xx.h b/libcpu/arm/lpc1100/CMSIS/LPC11xx.h
new file mode 100644
index 0000000000..58c4de507a
--- /dev/null
+++ b/libcpu/arm/lpc1100/CMSIS/LPC11xx.h
@@ -0,0 +1,499 @@
+/**************************************************************************//**
+ * @file LPC11xx.h
+ * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File for
+ * NXP LPC11xx Device Series
+ * @version V1.00
+ * @date 17. November 2009
+ *
+ * @note
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers. This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+
+#ifndef __LPC11xx_H__
+#define __LPC11xx_H__
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/** @addtogroup LPC11xx_Definitions LPC11xx Definitions
+ This file defines all structures and symbols for LPC11xx:
+ - Registers and bitfields
+ - peripheral base address
+ - peripheral ID
+ - PIO definitions
+ @{
+*/
+
+
+/******************************************************************************/
+/* Processor and Core Peripherals */
+/******************************************************************************/
+/** @addtogroup LPC11xx_CMSIS LPC11xx CMSIS Definitions
+ Configuration of the Cortex-M0 Processor and Core Peripherals
+ @{
+*/
+
+/*
+ * ==========================================================================
+ * ---------- Interrupt Number Definition -----------------------------------
+ * ==========================================================================
+ */
+
+typedef enum IRQn
+{
+/****** Cortex-M0 Processor Exceptions Numbers ***************************************************/
+ NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */
+ HardFault_IRQn = -13, /*!< 3 Cortex-M0 Hard Fault Interrupt */
+ SVCall_IRQn = -5, /*!< 11 Cortex-M0 SV Call Interrupt */
+ PendSV_IRQn = -2, /*!< 14 Cortex-M0 Pend SV Interrupt */
+ SysTick_IRQn = -1, /*!< 15 Cortex-M0 System Tick Interrupt */
+
+/****** LPC11xx Specific Interrupt Numbers *******************************************************/
+ WAKEUP0_IRQn = 0, /*!< All I/O pins can be used as wakeup source. */
+ WAKEUP1_IRQn = 1, /*!< There are 13 pins in total for LPC11xx */
+ WAKEUP2_IRQn = 2,
+ WAKEUP3_IRQn = 3,
+ WAKEUP4_IRQn = 4,
+ WAKEUP5_IRQn = 5,
+ WAKEUP6_IRQn = 6,
+ WAKEUP7_IRQn = 7,
+ WAKEUP8_IRQn = 8,
+ WAKEUP9_IRQn = 9,
+ WAKEUP10_IRQn = 10,
+ WAKEUP11_IRQn = 11,
+ WAKEUP12_IRQn = 12,
+ SSP1_IRQn = 14, /*!< SSP1 Interrupt */
+ I2C_IRQn = 15, /*!< I2C Interrupt */
+ TIMER_16_0_IRQn = 16, /*!< 16-bit Timer0 Interrupt */
+ TIMER_16_1_IRQn = 17, /*!< 16-bit Timer1 Interrupt */
+ TIMER_32_0_IRQn = 18, /*!< 32-bit Timer0 Interrupt */
+ TIMER_32_1_IRQn = 19, /*!< 32-bit Timer1 Interrupt */
+ SSP0_IRQn = 20, /*!< SSP0 Interrupt */
+ UART_IRQn = 21, /*!< UART Interrupt */
+ ADC_IRQn = 24, /*!< A/D Converter Interrupt */
+ WDT_IRQn = 25, /*!< Watchdog timer Interrupt */
+ BOD_IRQn = 26, /*!< Brown Out Detect(BOD) Interrupt */
+ EINT3_IRQn = 28, /*!< External Interrupt 3 Interrupt */
+ EINT2_IRQn = 29, /*!< External Interrupt 2 Interrupt */
+ EINT1_IRQn = 30, /*!< External Interrupt 1 Interrupt */
+ EINT0_IRQn = 31, /*!< External Interrupt 0 Interrupt */
+} IRQn_Type;
+
+
+/*
+ * ==========================================================================
+ * ----------- Processor and Core Peripheral Section ------------------------
+ * ==========================================================================
+ */
+
+/* Configuration of the Cortex-M3 Processor and Core Peripherals */
+#define __MPU_PRESENT 0 /*!< MPU present or not */
+#define __NVIC_PRIO_BITS 3 /*!< Number of Bits used for Priority Levels */
+#define __Vendor_SysTickConfig 0 /*!< Set to 1 if different SysTick Config is used */
+
+/*@}*/ /* end of group LPC11xx_CMSIS */
+
+
+#include "core_cm0.h" /* Cortex-M0 processor and core peripherals */
+#include "system_LPC11xx.h" /* System Header */
+
+
+/******************************************************************************/
+/* Device Specific Peripheral Registers structures */
+/******************************************************************************/
+
+#if defined ( __CC_ARM )
+#pragma anon_unions
+#endif
+
+/*------------- System Control (SYSCON) --------------------------------------*/
+/** @addtogroup LPC11xx_SYSCON LPC11xx System Control Block
+ @{
+*/
+typedef struct
+{
+ __IO uint32_t SYSMEMREMAP; /*!< Offset: 0x000 System memory remap (R/W) */
+ __IO uint32_t PRESETCTRL; /*!< Offset: 0x004 Peripheral reset control (R/W) */
+ __IO uint32_t SYSPLLCTRL; /*!< Offset: 0x008 System PLL control (R/W) */
+ __IO uint32_t SYSPLLSTAT; /*!< Offset: 0x00C System PLL status (R/ ) */
+ uint32_t RESERVED0[4];
+
+ __IO uint32_t SYSOSCCTRL; /*!< Offset: 0x020 System oscillator control (R/W) */
+ __IO uint32_t WDTOSCCTRL; /*!< Offset: 0x024 Watchdog oscillator control (R/W) */
+ __IO uint32_t IRCCTRL; /*!< Offset: 0x028 IRC control (R/W) */
+ uint32_t RESERVED1[1];
+ __IO uint32_t SYSRESSTAT; /*!< Offset: 0x030 System reset status Register (R/ ) */
+ uint32_t RESERVED2[3];
+ __IO uint32_t SYSPLLCLKSEL; /*!< Offset: 0x040 System PLL clock source select (R/W) */
+ __IO uint32_t SYSPLLCLKUEN; /*!< Offset: 0x044 System PLL clock source update enable (R/W) */
+ uint32_t RESERVED3[10];
+
+ __IO uint32_t MAINCLKSEL; /*!< Offset: 0x070 Main clock source select (R/W) */
+ __IO uint32_t MAINCLKUEN; /*!< Offset: 0x074 Main clock source update enable (R/W) */
+ __IO uint32_t SYSAHBCLKDIV; /*!< Offset: 0x078 System AHB clock divider (R/W) */
+ uint32_t RESERVED4[1];
+
+ __IO uint32_t SYSAHBCLKCTRL; /*!< Offset: 0x080 System AHB clock control (R/W) */
+ uint32_t RESERVED5[4];
+ __IO uint32_t SSP0CLKDIV; /*!< Offset: 0x094 SSP0 clock divider (R/W) */
+ __IO uint32_t UARTCLKDIV; /*!< Offset: 0x098 UART clock divider (R/W) */
+ __IO uint32_t SSP1CLKDIV; /*!< Offset: 0x09C SSP1 clock divider (R/W) */
+ uint32_t RESERVED6[4];
+
+ __IO uint32_t SYSTICKCLKDIV; /*!< Offset: 0x0B0 SYSTICK clock divider (R/W) */
+ uint32_t RESERVED7[7];
+
+ __IO uint32_t WDTCLKSEL; /*!< Offset: 0x0D0 WDT clock source select (R/W) */
+ __IO uint32_t WDTCLKUEN; /*!< Offset: 0x0D4 WDT clock source update enable (R/W) */
+ __IO uint32_t WDTCLKDIV; /*!< Offset: 0x0D8 WDT clock divider (R/W) */
+ uint32_t RESERVED8[1];
+ __IO uint32_t CLKOUTCLKSEL; /*!< Offset: 0x0E0 CLKOUT clock source select (R/W) */
+ __IO uint32_t CLKOUTUEN; /*!< Offset: 0x0E4 CLKOUT clock source update enable (R/W) */
+ __IO uint32_t CLKOUTDIV; /*!< Offset: 0x0E8 CLKOUT clock divider (R/W) */
+ uint32_t RESERVED9[5];
+
+ __IO uint32_t PIOPORCAP0; /*!< Offset: 0x100 POR captured PIO status 0 (R/ ) */
+ __IO uint32_t PIOPORCAP1; /*!< Offset: 0x104 POR captured PIO status 1 (R/ ) */
+ uint32_t RESERVED10[18];
+
+ __IO uint32_t BODCTRL; /*!< Offset: 0x150 BOD control (R/W) */
+ uint32_t RESERVED11[1];
+ __IO uint32_t SYSTCKCAL; /*!< Offset: 0x158 System tick counter calibration (R/W) */
+ uint32_t RESERVED12[41];
+
+ __IO uint32_t STARTAPRP0; /*!< Offset: 0x200 Start logic edge control Register 0 (R/W) */
+ __IO uint32_t STARTERP0; /*!< Offset: 0x204 Start logic signal enable Register 0 (R/W) */
+ __IO uint32_t STARTRSRP0CLR; /*!< Offset: 0x208 Start logic reset Register 0 ( /W) */
+ __IO uint32_t STARTSRP0; /*!< Offset: 0x20C Start logic status Register 0 (R/W) */
+ uint32_t RESERVED14[8];
+
+ __IO uint32_t PDSLEEPCFG; /*!< Offset: 0x230 Power-down states in Deep-sleep mode (R/W) */
+ __IO uint32_t PDAWAKECFG; /*!< Offset: 0x234 Power-down states after wake-up (R/W) */
+ __IO uint32_t PDRUNCFG; /*!< Offset: 0x238 Power-down configuration Register (R/W) */
+ uint32_t RESERVED15[110];
+ __I uint32_t DEVICE_ID; /*!< Offset: 0x3F4 Device ID (R/ ) */
+} LPC_SYSCON_TypeDef;
+/*@}*/ /* end of group LPC11xx_SYSCON */
+
+
+/*------------- Pin Connect Block (IOCON) --------------------------------*/
+/** @addtogroup LPC11xx_IOCON LPC11xx I/O Configuration Block
+ @{
+*/
+typedef struct
+{
+ __IO uint32_t PIO2_6; /*!< Offset: 0x000 I/O configuration for pin PIO2_6 (R/W) */
+ uint32_t RESERVED0[1];
+ __IO uint32_t PIO2_0; /*!< Offset: 0x008 I/O configuration for pin PIO2_0/DTR/SSEL1 (R/W) */
+ __IO uint32_t RESET_PIO0_0; /*!< Offset: 0x00C I/O configuration for pin RESET/PIO0_0 (R/W) */
+ __IO uint32_t PIO0_1; /*!< Offset: 0x010 I/O configuration for pin PIO0_1/CLKOUT/CT32B0_MAT2 (R/W) */
+ __IO uint32_t PIO1_8; /*!< Offset: 0x014 I/O configuration for pin PIO1_8/CT16B1_CAP0 (R/W) */
+ uint32_t RESERVED1[1];
+ __IO uint32_t PIO0_2; /*!< Offset: 0x01C I/O configuration for pin PIO0_2/SSEL0/CT16B0_CAP0 (R/W) */
+
+ __IO uint32_t PIO2_7; /*!< Offset: 0x020 I/O configuration for pin PIO2_7 (R/W) */
+ __IO uint32_t PIO2_8; /*!< Offset: 0x024 I/O configuration for pin PIO2_8 (R/W) */
+ __IO uint32_t PIO2_1; /*!< Offset: 0x028 I/O configuration for pin PIO2_1/nDSR/SCK1 (R/W) */
+ __IO uint32_t PIO0_3; /*!< Offset: 0x02C I/O configuration for pin PIO0_3 (R/W) */
+ __IO uint32_t PIO0_4; /*!< Offset: 0x030 I/O configuration for pin PIO0_4/SCL (R/W) */
+ __IO uint32_t PIO0_5; /*!< Offset: 0x034 I/O configuration for pin PIO0_5/SDA (R/W) */
+ __IO uint32_t PIO1_9; /*!< Offset: 0x038 I/O configuration for pin PIO1_9/CT16B1_MAT0 (R/W) */
+ __IO uint32_t PIO3_4; /*!< Offset: 0x03C I/O configuration for pin PIO3_4 (R/W) */
+
+ __IO uint32_t PIO2_4; /*!< Offset: 0x040 I/O configuration for pin PIO2_4 (R/W) */
+ __IO uint32_t PIO2_5; /*!< Offset: 0x044 I/O configuration for pin PIO2_5 (R/W) */
+ __IO uint32_t PIO3_5; /*!< Offset: 0x048 I/O configuration for pin PIO3_5 (R/W) */
+ __IO uint32_t PIO0_6; /*!< Offset: 0x04C I/O configuration for pin PIO0_6/SCK0 (R/W) */
+ __IO uint32_t PIO0_7; /*!< Offset: 0x050 I/O configuration for pin PIO0_7/nCTS (R/W) */
+ __IO uint32_t PIO2_9; /*!< Offset: 0x054 I/O configuration for pin PIO2_9 (R/W) */
+ __IO uint32_t PIO2_10; /*!< Offset: 0x058 I/O configuration for pin PIO2_10 (R/W) */
+ __IO uint32_t PIO2_2; /*!< Offset: 0x05C I/O configuration for pin PIO2_2/DCD/MISO1 (R/W) */
+
+ __IO uint32_t PIO0_8; /*!< Offset: 0x060 I/O configuration for pin PIO0_8/MISO0/CT16B0_MAT0 (R/W) */
+ __IO uint32_t PIO0_9; /*!< Offset: 0x064 I/O configuration for pin PIO0_9/MOSI0/CT16B0_MAT1 (R/W) */
+ __IO uint32_t JTAG_TCK_PIO0_10; /*!< Offset: 0x068 I/O configuration for pin SWCLK/PIO0_10/SCK0/CT16B0_MAT2 (R/W) */
+ __IO uint32_t PIO1_10; /*!< Offset: 0x06C I/O configuration for pin PIO1_10/AD6/CT16B1_MAT1 (R/W) */
+ __IO uint32_t PIO2_11; /*!< Offset: 0x070 I/O configuration for pin PIO2_11/SCK0 (R/W) */
+ __IO uint32_t JTAG_TDI_PIO0_11; /*!< Offset: 0x074 I/O configuration for pin TDI/PIO0_11/AD0/CT32B0_MAT3 (R/W) */
+ __IO uint32_t JTAG_TMS_PIO1_0; /*!< Offset: 0x078 I/O configuration for pin TMS/PIO1_0/AD1/CT32B1_CAP0 (R/W) */
+ __IO uint32_t JTAG_TDO_PIO1_1; /*!< Offset: 0x07C I/O configuration for pin TDO/PIO1_1/AD2/CT32B1_MAT0 (R/W) */
+
+ __IO uint32_t JTAG_nTRST_PIO1_2; /*!< Offset: 0x080 I/O configuration for pin nTRST/PIO1_2/AD3/CT32B1_MAT1 (R/W) */
+ __IO uint32_t PIO3_0; /*!< Offset: 0x084 I/O configuration for pin PIO3_0/nDTR (R/W) */
+ __IO uint32_t PIO3_1; /*!< Offset: 0x088 I/O configuration for pin PIO3_1/nDSR (R/W) */
+ __IO uint32_t PIO2_3; /*!< Offset: 0x08C I/O configuration for pin PIO2_3/RI/MOSI1 (R/W) */
+ __IO uint32_t ARM_SWDIO_PIO1_3; /*!< Offset: 0x090 I/O configuration for pin SWDIO/PIO1_3/AD4/CT32B1_MAT2 (R/W) */
+ __IO uint32_t PIO1_4; /*!< Offset: 0x094 I/O configuration for pin PIO1_4/AD5/CT32B1_MAT3 (R/W) */
+ __IO uint32_t PIO1_11; /*!< Offset: 0x098 I/O configuration for pin PIO1_11/AD7 (R/W) */
+ __IO uint32_t PIO3_2; /*!< Offset: 0x09C I/O configuration for pin PIO3_2/nDCD (R/W) */
+
+ __IO uint32_t PIO1_5; /*!< Offset: 0x0A0 I/O configuration for pin PIO1_5/nRTS/CT32B0_CAP0 (R/W) */
+ __IO uint32_t PIO1_6; /*!< Offset: 0x0A4 I/O configuration for pin PIO1_6/RXD/CT32B0_MAT0 (R/W) */
+ __IO uint32_t PIO1_7; /*!< Offset: 0x0A8 I/O configuration for pin PIO1_7/TXD/CT32B0_MAT1 (R/W) */
+ __IO uint32_t PIO3_3; /*!< Offset: 0x0AC I/O configuration for pin PIO3_3/nRI (R/W) */
+ __IO uint32_t SCK_LOC; /*!< Offset: 0x0B0 SCK pin location select Register (R/W) */
+ __IO uint32_t DSR_LOC; /*!< Offset: 0x0B4 DSR pin location select Register (R/W) */
+ __IO uint32_t DCD_LOC; /*!< Offset: 0x0B8 DCD pin location select Register (R/W) */
+ __IO uint32_t RI_LOC; /*!< Offset: 0x0BC RI pin location Register (R/W) */
+} LPC_IOCON_TypeDef;
+/*@}*/ /* end of group LPC11xx_IOCON */
+
+
+/*------------- Power Management Unit (PMU) --------------------------*/
+/** @addtogroup LPC11xx_PMU LPC11xx Power Management Unit
+ @{
+*/
+typedef struct
+{
+ __IO uint32_t PCON; /*!< Offset: 0x000 Power control Register (R/W) */
+ __IO uint32_t GPREG0; /*!< Offset: 0x004 General purpose Register 0 (R/W) */
+ __IO uint32_t GPREG1; /*!< Offset: 0x008 General purpose Register 1 (R/W) */
+ __IO uint32_t GPREG2; /*!< Offset: 0x00C General purpose Register 2 (R/W) */
+ __IO uint32_t GPREG3; /*!< Offset: 0x010 General purpose Register 3 (R/W) */
+ __IO uint32_t GPREG4; /*!< Offset: 0x014 General purpose Register 4 (R/W) */
+} LPC_PMU_TypeDef;
+/*@}*/ /* end of group LPC11xx_PMU */
+
+
+/*------------- General Purpose Input/Output (GPIO) --------------------------*/
+/** @addtogroup LPC11xx_GPIO LPC11xx General Purpose Input/Output
+ @{
+*/
+typedef struct
+{
+ union {
+ __IO uint32_t MASKED_ACCESS[4096]; /*!< Offset: 0x0000 to 0x3FFC Port data Register for pins PIOn_0 to PIOn_11 (R/W) */
+ struct {
+ uint32_t RESERVED0[4095];
+ __IO uint32_t DATA; /*!< Offset: 0x3FFC Port data Register (R/W) */
+ };
+ };
+ uint32_t RESERVED1[4096];
+ __IO uint32_t DIR; /*!< Offset: 0x8000 Data direction Register (R/W) */
+ __IO uint32_t IS; /*!< Offset: 0x8004 Interrupt sense Register (R/W) */
+ __IO uint32_t IBE; /*!< Offset: 0x8008 Interrupt both edges Register (R/W) */
+ __IO uint32_t IEV; /*!< Offset: 0x800C Interrupt event Register (R/W) */
+ __IO uint32_t IE; /*!< Offset: 0x8010 Interrupt mask Register (R/W) */
+ __IO uint32_t RIS; /*!< Offset: 0x8014 Raw interrupt status Register (R/ ) */
+ __IO uint32_t MIS; /*!< Offset: 0x8018 Masked interrupt status Register (R/ ) */
+ __IO uint32_t IC; /*!< Offset: 0x801C Interrupt clear Register (R/W) */
+} LPC_GPIO_TypeDef;
+/*@}*/ /* end of group LPC11xx_GPIO */
+
+
+/*------------- Timer (TMR) --------------------------------------------------*/
+/** @addtogroup LPC11xx_TMR LPC11xx 16/32-bit Counter/Timer
+ @{
+*/
+typedef struct
+{
+ __IO uint32_t IR; /*!< Offset: 0x000 Interrupt Register (R/W) */
+ __IO uint32_t TCR; /*!< Offset: 0x004 Timer Control Register (R/W) */
+ __IO uint32_t TC; /*!< Offset: 0x008 Timer Counter Register (R/W) */
+ __IO uint32_t PR; /*!< Offset: 0x00C Prescale Register (R/W) */
+ __IO uint32_t PC; /*!< Offset: 0x010 Prescale Counter Register (R/W) */
+ __IO uint32_t MCR; /*!< Offset: 0x014 Match Control Register (R/W) */
+ __IO uint32_t MR0; /*!< Offset: 0x018 Match Register 0 (R/W) */
+ __IO uint32_t MR1; /*!< Offset: 0x01C Match Register 1 (R/W) */
+ __IO uint32_t MR2; /*!< Offset: 0x020 Match Register 2 (R/W) */
+ __IO uint32_t MR3; /*!< Offset: 0x024 Match Register 3 (R/W) */
+ __IO uint32_t CCR; /*!< Offset: 0x028 Capture Control Register (R/W) */
+ __I uint32_t CR0; /*!< Offset: 0x02C Capture Register 0 (R/ ) */
+ uint32_t RESERVED1[3];
+ __IO uint32_t EMR; /*!< Offset: 0x03C External Match Register (R/W) */
+ uint32_t RESERVED2[12];
+ __IO uint32_t CTCR; /*!< Offset: 0x070 Count Control Register (R/W) */
+ __IO uint32_t PWMC; /*!< Offset: 0x074 PWM Control Register (R/W) */
+} LPC_TMR_TypeDef;
+/*@}*/ /* end of group LPC11xx_TMR */
+
+
+/*------------- Universal Asynchronous Receiver Transmitter (UART) -----------*/
+/** @addtogroup LPC11xx_UART LPC11xx Universal Asynchronous Receiver/Transmitter
+ @{
+*/
+typedef struct
+{
+ union {
+ __I uint32_t RBR; /*!< Offset: 0x000 Receiver Buffer Register (R/ ) */
+ __O uint32_t THR; /*!< Offset: 0x000 Transmit Holding Register ( /W) */
+ __IO uint32_t DLL; /*!< Offset: 0x000 Divisor Latch LSB (R/W) */
+ };
+ union {
+ __IO uint32_t DLM; /*!< Offset: 0x004 Divisor Latch MSB (R/W) */
+ __IO uint32_t IER; /*!< Offset: 0x000 Interrupt Enable Register (R/W) */
+ };
+ union {
+ __I uint32_t IIR; /*!< Offset: 0x008 Interrupt ID Register (R/ ) */
+ __O uint32_t FCR; /*!< Offset: 0x008 FIFO Control Register ( /W) */
+ };
+ __IO uint32_t LCR; /*!< Offset: 0x00C Line Control Register (R/W) */
+ __IO uint32_t MCR; /*!< Offset: 0x010 Modem control Register (R/W) */
+ __I uint32_t LSR; /*!< Offset: 0x014 Line Status Register (R/ ) */
+ __I uint32_t MSR; /*!< Offset: 0x018 Modem status Register (R/ ) */
+ __IO uint32_t SCR; /*!< Offset: 0x01C Scratch Pad Register (R/W) */
+ __IO uint32_t ACR; /*!< Offset: 0x020 Auto-baud Control Register (R/W) */
+ uint32_t RESERVED0;
+ __IO uint32_t FDR; /*!< Offset: 0x028 Fractional Divider Register (R/W) */
+ uint32_t RESERVED1;
+ __IO uint32_t TER; /*!< Offset: 0x030 Transmit Enable Register (R/W) */
+ uint32_t RESERVED2[6];
+ __IO uint32_t RS485CTRL; /*!< Offset: 0x04C RS-485/EIA-485 Control Register (R/W) */
+ __IO uint32_t ADRMATCH; /*!< Offset: 0x050 RS-485/EIA-485 address match Register (R/W) */
+ __IO uint32_t RS485DLY; /*!< Offset: 0x054 RS-485/EIA-485 direction control delay Register (R/W) */
+ __I uint32_t FIFOLVL; /*!< Offset: 0x058 FIFO Level Register (R/ ) */
+} LPC_UART_TypeDef;
+/*@}*/ /* end of group LPC11xx_UART */
+
+
+/*------------- Synchronous Serial Communication (SSP) -----------------------*/
+/** @addtogroup LPC11xx_SSP LPC11xx Synchronous Serial Port
+ @{
+*/
+typedef struct
+{
+ __IO uint32_t CR0; /*!< Offset: 0x000 Control Register 0 (R/W) */
+ __IO uint32_t CR1; /*!< Offset: 0x004 Control Register 1 (R/W) */
+ __IO uint32_t DR; /*!< Offset: 0x008 Data Register (R/W) */
+ __I uint32_t SR; /*!< Offset: 0x00C Status Registe (R/ ) */
+ __IO uint32_t CPSR; /*!< Offset: 0x010 Clock Prescale Register (R/W) */
+ __IO uint32_t IMSC; /*!< Offset: 0x014 Interrupt Mask Set and Clear Register (R/W) */
+ __IO uint32_t RIS; /*!< Offset: 0x018 Raw Interrupt Status Register (R/W) */
+ __IO uint32_t MIS; /*!< Offset: 0x01C Masked Interrupt Status Register (R/W) */
+ __IO uint32_t ICR; /*!< Offset: 0x020 SSPICR Interrupt Clear Register (R/W) */
+} LPC_SSP_TypeDef;
+/*@}*/ /* end of group LPC11xx_SSP */
+
+
+/*------------- Inter-Integrated Circuit (I2C) -------------------------------*/
+/** @addtogroup LPC11xx_I2C LPC11xx I2C-Bus Interface
+ @{
+*/
+typedef struct
+{
+ __IO uint32_t CONSET; /*!< Offset: 0x000 I2C Control Set Register (R/W) */
+ __I uint32_t STAT; /*!< Offset: 0x004 I2C Status Register (R/ ) */
+ __IO uint32_t DAT; /*!< Offset: 0x008 I2C Data Register (R/W) */
+ __IO uint32_t ADR0; /*!< Offset: 0x00C I2C Slave Address Register 0 (R/W) */
+ __IO uint32_t SCLH; /*!< Offset: 0x010 SCH Duty Cycle Register High Half Word (R/W) */
+ __IO uint32_t SCLL; /*!< Offset: 0x014 SCL Duty Cycle Register Low Half Word (R/W) */
+ __O uint32_t CONCLR; /*!< Offset: 0x018 I2C Control Clear Register ( /W) */
+ __IO uint32_t MMCTRL; /*!< Offset: 0x01C Monitor mode control register (R/W) */
+ __IO uint32_t ADR1; /*!< Offset: 0x020 I2C Slave Address Register 1 (R/W) */
+ __IO uint32_t ADR2; /*!< Offset: 0x024 I2C Slave Address Register 2 (R/W) */
+ __IO uint32_t ADR3; /*!< Offset: 0x028 I2C Slave Address Register 3 (R/W) */
+ __I uint32_t DATA_BUFFER; /*!< Offset: 0x02C Data buffer register ( /W) */
+ __IO uint32_t MASK0; /*!< Offset: 0x030 I2C Slave address mask register 0 (R/W) */
+ __IO uint32_t MASK1; /*!< Offset: 0x034 I2C Slave address mask register 1 (R/W) */
+ __IO uint32_t MASK2; /*!< Offset: 0x038 I2C Slave address mask register 2 (R/W) */
+ __IO uint32_t MASK3; /*!< Offset: 0x03C I2C Slave address mask register 3 (R/W) */
+} LPC_I2C_TypeDef;
+/*@}*/ /* end of group LPC11xx_I2C */
+
+
+/*------------- Watchdog Timer (WDT) -----------------------------------------*/
+/** @addtogroup LPC11xx_WDT LPC11xx WatchDog Timer
+ @{
+*/
+typedef struct
+{
+ __IO uint32_t MOD; /*!< Offset: 0x000 Watchdog mode register (R/W) */
+ __IO uint32_t TC; /*!< Offset: 0x004 Watchdog timer constant register (R/W) */
+ __O uint32_t FEED; /*!< Offset: 0x008 Watchdog feed sequence register ( /W) */
+ __I uint32_t TV; /*!< Offset: 0x00C Watchdog timer value register (R/ ) */
+} LPC_WDT_TypeDef;
+/*@}*/ /* end of group LPC11xx_WDT */
+
+
+/*------------- Analog-to-Digital Converter (ADC) ----------------------------*/
+/** @addtogroup LPC11xx_ADC LPC11xx Analog-to-Digital Converter
+ @{
+*/
+typedef struct
+{
+ __IO uint32_t CR; /*!< Offset: 0x000 A/D Control Register (R/W) */
+ __IO uint32_t GDR; /*!< Offset: 0x004 A/D Global Data Register (R/W) */
+ uint32_t RESERVED0;
+ __IO uint32_t INTEN; /*!< Offset: 0x00C A/D Interrupt Enable Register (R/W) */
+ __IO uint32_t DR[8]; /*!< Offset: 0x010-0x02C A/D Channel 0..7 Data Register (R/W) */
+ __I uint32_t STAT; /*!< Offset: 0x030 A/D Status Register (R/ ) */
+} LPC_ADC_TypeDef;
+/*@}*/ /* end of group LPC11xx_ADC */
+
+
+#if defined ( __CC_ARM )
+#pragma no_anon_unions
+#endif
+
+/******************************************************************************/
+/* Peripheral memory map */
+/******************************************************************************/
+/* Base addresses */
+#define LPC_FLASH_BASE (0x00000000UL)
+#define LPC_RAM_BASE (0x10000000UL)
+#define LPC_APB0_BASE (0x40000000UL)
+#define LPC_AHB_BASE (0x50000000UL)
+
+/* APB0 peripherals */
+#define LPC_I2C_BASE (LPC_APB0_BASE + 0x00000)
+#define LPC_WDT_BASE (LPC_APB0_BASE + 0x04000)
+#define LPC_UART_BASE (LPC_APB0_BASE + 0x08000)
+#define LPC_CT16B0_BASE (LPC_APB0_BASE + 0x0C000)
+#define LPC_CT16B1_BASE (LPC_APB0_BASE + 0x10000)
+#define LPC_CT32B0_BASE (LPC_APB0_BASE + 0x14000)
+#define LPC_CT32B1_BASE (LPC_APB0_BASE + 0x18000)
+#define LPC_ADC_BASE (LPC_APB0_BASE + 0x1C000)
+#define LPC_PMU_BASE (LPC_APB0_BASE + 0x38000)
+#define LPC_SSP0_BASE (LPC_APB0_BASE + 0x40000)
+#define LPC_IOCON_BASE (LPC_APB0_BASE + 0x44000)
+#define LPC_SYSCON_BASE (LPC_APB0_BASE + 0x48000)
+#define LPC_SSP1_BASE (LPC_APB0_BASE + 0x58000)
+
+/* AHB peripherals */
+#define LPC_GPIO_BASE (LPC_AHB_BASE + 0x00000)
+#define LPC_GPIO0_BASE (LPC_AHB_BASE + 0x00000)
+#define LPC_GPIO1_BASE (LPC_AHB_BASE + 0x10000)
+#define LPC_GPIO2_BASE (LPC_AHB_BASE + 0x20000)
+#define LPC_GPIO3_BASE (LPC_AHB_BASE + 0x30000)
+
+/******************************************************************************/
+/* Peripheral declaration */
+/******************************************************************************/
+#define LPC_I2C ((LPC_I2C_TypeDef *) LPC_I2C_BASE )
+#define LPC_WDT ((LPC_WDT_TypeDef *) LPC_WDT_BASE )
+#define LPC_UART ((LPC_UART_TypeDef *) LPC_UART_BASE )
+#define LPC_TMR16B0 ((LPC_TMR_TypeDef *) LPC_CT16B0_BASE)
+#define LPC_TMR16B1 ((LPC_TMR_TypeDef *) LPC_CT16B1_BASE)
+#define LPC_TMR32B0 ((LPC_TMR_TypeDef *) LPC_CT32B0_BASE)
+#define LPC_TMR32B1 ((LPC_TMR_TypeDef *) LPC_CT32B1_BASE)
+#define LPC_ADC ((LPC_ADC_TypeDef *) LPC_ADC_BASE )
+#define LPC_PMU ((LPC_PMU_TypeDef *) LPC_PMU_BASE )
+#define LPC_SSP0 ((LPC_SSP_TypeDef *) LPC_SSP0_BASE )
+#define LPC_SSP1 ((LPC_SSP_TypeDef *) LPC_SSP1_BASE )
+#define LPC_IOCON ((LPC_IOCON_TypeDef *) LPC_IOCON_BASE )
+#define LPC_SYSCON ((LPC_SYSCON_TypeDef *) LPC_SYSCON_BASE)
+#define LPC_GPIO0 ((LPC_GPIO_TypeDef *) LPC_GPIO0_BASE )
+#define LPC_GPIO1 ((LPC_GPIO_TypeDef *) LPC_GPIO1_BASE )
+#define LPC_GPIO2 ((LPC_GPIO_TypeDef *) LPC_GPIO2_BASE )
+#define LPC_GPIO3 ((LPC_GPIO_TypeDef *) LPC_GPIO3_BASE )
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LPC11xx_H__ */
diff --git a/libcpu/arm/lpc1100/CMSIS/core_cm0.c b/libcpu/arm/lpc1100/CMSIS/core_cm0.c
new file mode 100644
index 0000000000..c08a7b6c6e
--- /dev/null
+++ b/libcpu/arm/lpc1100/CMSIS/core_cm0.c
@@ -0,0 +1,455 @@
+/**************************************************************************//**
+ * @file core_cm0.c
+ * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Source File
+ * @version V1.30
+ * @date 30. October 2009
+ *
+ * @note
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers. This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+#include <stdint.h>
+
+/* define compiler specific symbols */
+#if defined ( __CC_ARM )
+ #define __ASM __asm /*!< asm keyword for ARM Compiler */
+ #define __INLINE __inline /*!< inline keyword for ARM Compiler */
+
+#elif defined ( __ICCARM__ )
+ #define __ASM __asm /*!< asm keyword for IAR Compiler */
+ #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
+
+#elif defined ( __GNUC__ )
+ #define __ASM __asm /*!< asm keyword for GNU Compiler */
+ #define __INLINE inline /*!< inline keyword for GNU Compiler */
+
+#elif defined ( __TASKING__ )
+ #define __ASM __asm /*!< asm keyword for TASKING Compiler */
+ #define __INLINE inline /*!< inline keyword for TASKING Compiler */
+
+#endif
+
+
+/* ################### Compiler specific Intrinsics ########################### */
+
+#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
+/* ARM armcc specific functions */
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @return ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+__ASM uint32_t __get_PSP(void)
+{
+ mrs r0, psp
+ bx lr
+}
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param topOfProcStack Process Stack Pointer
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+__ASM void __set_PSP(uint32_t topOfProcStack)
+{
+ msr psp, r0
+ bx lr
+}
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @return Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+__ASM uint32_t __get_MSP(void)
+{
+ mrs r0, msp
+ bx lr
+}
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param topOfMainStack Main Stack Pointer
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+__ASM void __set_MSP(uint32_t mainStackPointer)
+{
+ msr msp, r0
+ bx lr
+}
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+__ASM uint32_t __REV16(uint16_t value)
+{
+ rev16 r0, r0
+ bx lr
+}
+
+/**
+ * @brief Reverse byte order in signed short value with sign extension to integer
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in signed short value with sign extension to integer
+ */
+__ASM int32_t __REVSH(int16_t value)
+{
+ revsh r0, r0
+ bx lr
+}
+
+
+#if (__ARMCC_VERSION < 400000)
+
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @return PriMask
+ *
+ * Return state of the priority mask bit from the priority mask register
+ */
+__ASM uint32_t __get_PRIMASK(void)
+{
+ mrs r0, primask
+ bx lr
+}
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param priMask PriMask
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+__ASM void __set_PRIMASK(uint32_t priMask)
+{
+ msr primask, r0
+ bx lr
+}
+
+/**
+ * @brief Return the Control Register value
+ *
+ * @return Control value
+ *
+ * Return the content of the control register
+ */
+__ASM uint32_t __get_CONTROL(void)
+{
+ mrs r0, control
+ bx lr
+}
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param control Control value
+ *
+ * Set the control register
+ */
+__ASM void __set_CONTROL(uint32_t control)
+{
+ msr control, r0
+ bx lr
+}
+
+#endif /* __ARMCC_VERSION */
+
+
+
+#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
+/* IAR iccarm specific functions */
+#pragma diag_suppress=Pe940
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @return ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+uint32_t __get_PSP(void)
+{
+ __ASM("mrs r0, psp");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param topOfProcStack Process Stack Pointer
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+void __set_PSP(uint32_t topOfProcStack)
+{
+ __ASM("msr psp, r0");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @return Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+uint32_t __get_MSP(void)
+{
+ __ASM("mrs r0, msp");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param topOfMainStack Main Stack Pointer
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+void __set_MSP(uint32_t topOfMainStack)
+{
+ __ASM("msr msp, r0");
+ __ASM("bx lr");
+}
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+uint32_t __REV16(uint16_t value)
+{
+ __ASM("rev16 r0, r0");
+ __ASM("bx lr");
+}
+
+
+#pragma diag_default=Pe940
+
+
+#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
+/* GNU gcc specific functions */
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @return ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+uint32_t __get_PSP(void) __attribute__( ( naked ) );
+uint32_t __get_PSP(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, psp\n\t"
+ "MOV r0, %0 \n\t"
+ "BX lr \n\t" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param topOfProcStack Process Stack Pointer
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+void __set_PSP(uint32_t topOfProcStack) __attribute__( ( naked ) );
+void __set_PSP(uint32_t topOfProcStack)
+{
+ __ASM volatile ("MSR psp, %0\n\t"
+ "BX lr \n\t" : : "r" (topOfProcStack) );
+}
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @return Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+uint32_t __get_MSP(void) __attribute__( ( naked ) );
+uint32_t __get_MSP(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, msp\n\t"
+ "MOV r0, %0 \n\t"
+ "BX lr \n\t" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param topOfMainStack Main Stack Pointer
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+void __set_MSP(uint32_t topOfMainStack) __attribute__( ( naked ) );
+void __set_MSP(uint32_t topOfMainStack)
+{
+ __ASM volatile ("MSR msp, %0\n\t"
+ "BX lr \n\t" : : "r" (topOfMainStack) );
+}
+
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @return PriMask
+ *
+ * Return state of the priority mask bit from the priority mask register
+ */
+uint32_t __get_PRIMASK(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, primask" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param priMask PriMask
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+void __set_PRIMASK(uint32_t priMask)
+{
+ __ASM volatile ("MSR primask, %0" : : "r" (priMask) );
+}
+
+/**
+ * @brief Return the Control Register value
+*
+* @return Control value
+ *
+ * Return the content of the control register
+ */
+uint32_t __get_CONTROL(void)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("MRS %0, control" : "=r" (result) );
+ return(result);
+}
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param control Control value
+ *
+ * Set the control register
+ */
+void __set_CONTROL(uint32_t control)
+{
+ __ASM volatile ("MSR control, %0" : : "r" (control) );
+}
+
+
+/**
+ * @brief Reverse byte order in integer value
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in integer value
+ */
+uint32_t __REV(uint32_t value)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
+ return(result);
+}
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+uint32_t __REV16(uint16_t value)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
+ return(result);
+}
+
+/**
+ * @brief Reverse byte order in signed short value with sign extension to integer
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in signed short value with sign extension to integer
+ */
+int32_t __REVSH(int16_t value)
+{
+ uint32_t result=0;
+
+ __ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
+ return(result);
+}
+
+
+#elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/
+/* TASKING carm specific functions */
+
+/*
+ * The CMSIS functions have been implemented as intrinsics in the compiler.
+ * Please use "carm -?i" to get an up to date list of all instrinsics,
+ * Including the CMSIS ones.
+ */
+
+#endif
diff --git a/libcpu/arm/lpc1100/CMSIS/core_cm0.h b/libcpu/arm/lpc1100/CMSIS/core_cm0.h
new file mode 100644
index 0000000000..f148b8fad5
--- /dev/null
+++ b/libcpu/arm/lpc1100/CMSIS/core_cm0.h
@@ -0,0 +1,960 @@
+/**************************************************************************//**
+ * @file core_cm0.h
+ * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File
+ * @version V1.30
+ * @date 30. October 2009
+ *
+ * @note
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers. This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+#ifndef __CM0_CORE_H__
+#define __CM0_CORE_H__
+
+/** @addtogroup CMSIS_CM0_core_LintCinfiguration CMSIS CM0 Core Lint Configuration
+ *
+ * List of Lint messages which will be suppressed and not shown:
+ * - not yet checked
+ * .
+ * Note: To re-enable a Message, insert a space before 'lint' *
+ *
+ */
+
+
+/** @addtogroup CMSIS_CM0_core_definitions CM0 Core Definitions
+ This file defines all structures and symbols for CMSIS core:
+ - CMSIS version number
+ - Cortex-M core registers and bitfields
+ - Cortex-M core peripheral base address
+ @{
+ */
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define __CM0_CMSIS_VERSION_MAIN (0x01) /*!< [31:16] CMSIS HAL main version */
+#define __CM0_CMSIS_VERSION_SUB (0x30) /*!< [15:0] CMSIS HAL sub version */
+#define __CM0_CMSIS_VERSION ((__CM0_CMSIS_VERSION_MAIN << 16) | __CM0_CMSIS_VERSION_SUB) /*!< CMSIS HAL version number */
+
+#define __CORTEX_M (0x00) /*!< Cortex core */
+
+#include <stdint.h> /* Include standard types */
+
+#if defined (__ICCARM__)
+ #include <intrinsics.h> /* IAR Intrinsics */
+#endif
+
+
+#ifndef __NVIC_PRIO_BITS
+ #define __NVIC_PRIO_BITS 2 /*!< standard definition for NVIC Priority Bits */
+#endif
+
+
+
+
+/**
+ * IO definitions
+ *
+ * define access restrictions to peripheral registers
+ */
+
+#ifdef __cplusplus
+ #define __I volatile /*!< defines 'read only' permissions */
+#else
+ #define __I volatile const /*!< defines 'read only' permissions */
+#endif
+#define __O volatile /*!< defines 'write only' permissions */
+#define __IO volatile /*!< defines 'read / write' permissions */
+
+
+
+/*******************************************************************************
+ * Register Abstraction
+ ******************************************************************************/
+/** @addtogroup CMSIS_CM0_core_register CMSIS CM0 Core Register
+ @{
+*/
+
+
+/** @addtogroup CMSIS_CM0_NVIC CMSIS CM0 NVIC
+ memory mapped structure for Nested Vectored Interrupt Controller (NVIC)
+ @{
+ */
+typedef struct
+{
+ __IO uint32_t ISER[1]; /*!< (Offset: 0x000) Interrupt Set Enable Register */
+ uint32_t RESERVED0[31];
+ __IO uint32_t ICER[1]; /*!< (Offset: 0x080) Interrupt Clear Enable Register */
+ uint32_t RSERVED1[31];
+ __IO uint32_t ISPR[1]; /*!< (Offset: 0x100) Interrupt Set Pending Register */
+ uint32_t RESERVED2[31];
+ __IO uint32_t ICPR[1]; /*!< (Offset: 0x180) Interrupt Clear Pending Register */
+ uint32_t RESERVED3[31];
+ uint32_t RESERVED4[64];
+ __IO uint32_t IPR[8]; /*!< (Offset: 0x3EC) Interrupt Priority Register */
+} NVIC_Type;
+/*@}*/ /* end of group CMSIS_CM0_NVIC */
+
+
+/** @addtogroup CMSIS_CM0_SCB CMSIS CM0 SCB
+ memory mapped structure for System Control Block (SCB)
+ @{
+ */
+typedef struct
+{
+ __I uint32_t CPUID; /*!< Offset: 0x00 CPU ID Base Register */
+ __IO uint32_t ICSR; /*!< Offset: 0x04 Interrupt Control State Register */
+ uint32_t RESERVED0;
+ __IO uint32_t AIRCR; /*!< Offset: 0x0C Application Interrupt / Reset Control Register */
+ __IO uint32_t SCR; /*!< Offset: 0x10 System Control Register */
+ __IO uint32_t CCR; /*!< Offset: 0x14 Configuration Control Register */
+ uint32_t RESERVED1;
+ __IO uint32_t SHP[2]; /*!< Offset: 0x1C System Handlers Priority Registers. [0] is RESERVED */
+ __IO uint32_t SHCSR; /*!< Offset: 0x24 System Handler Control and State Register */
+ uint32_t RESERVED2[2];
+ __IO uint32_t DFSR; /*!< Offset: 0x30 Debug Fault Status Register */
+} SCB_Type;
+
+/* SCB CPUID Register Definitions */
+#define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */
+#define SCB_CPUID_IMPLEMENTER_Msk (0xFFul << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
+
+#define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */
+#define SCB_CPUID_VARIANT_Msk (0xFul << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
+
+#define SCB_CPUID_ARCHITECTURE_Pos 16 /*!< SCB CPUID: ARCHITECTURE Position */
+#define SCB_CPUID_ARCHITECTURE_Msk (0xFul << SCB_CPUID_ARCHITECTURE_Pos) /*!< SCB CPUID: ARCHITECTURE Mask */
+
+#define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */
+#define SCB_CPUID_PARTNO_Msk (0xFFFul << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
+
+#define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */
+#define SCB_CPUID_REVISION_Msk (0xFul << SCB_CPUID_REVISION_Pos) /*!< SCB CPUID: REVISION Mask */
+
+/* SCB Interrupt Control State Register Definitions */
+#define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */
+#define SCB_ICSR_NMIPENDSET_Msk (1ul << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
+
+#define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */
+#define SCB_ICSR_PENDSVSET_Msk (1ul << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
+
+#define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */
+#define SCB_ICSR_PENDSVCLR_Msk (1ul << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
+
+#define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */
+#define SCB_ICSR_PENDSTSET_Msk (1ul << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
+
+#define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */
+#define SCB_ICSR_PENDSTCLR_Msk (1ul << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
+
+#define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */
+#define SCB_ICSR_ISRPREEMPT_Msk (1ul << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
+
+#define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */
+#define SCB_ICSR_ISRPENDING_Msk (1ul << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
+
+#define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */
+#define SCB_ICSR_VECTPENDING_Msk (0x1FFul << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
+
+#define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */
+#define SCB_ICSR_VECTACTIVE_Msk (0x1FFul << SCB_ICSR_VECTACTIVE_Pos) /*!< SCB ICSR: VECTACTIVE Mask */
+
+/* SCB Application Interrupt and Reset Control Register Definitions */
+#define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */
+#define SCB_AIRCR_VECTKEY_Msk (0xFFFFul << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
+
+#define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */
+#define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFul << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
+
+#define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */
+#define SCB_AIRCR_ENDIANESS_Msk (1ul << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
+
+#define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */
+#define SCB_AIRCR_SYSRESETREQ_Msk (1ul << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
+
+#define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */
+#define SCB_AIRCR_VECTCLRACTIVE_Msk (1ul << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
+
+/* SCB System Control Register Definitions */
+#define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */
+#define SCB_SCR_SEVONPEND_Msk (1ul << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
+
+#define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */
+#define SCB_SCR_SLEEPDEEP_Msk (1ul << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
+
+#define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */
+#define SCB_SCR_SLEEPONEXIT_Msk (1ul << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
+
+/* SCB Configuration Control Register Definitions */
+#define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */
+#define SCB_CCR_STKALIGN_Msk (1ul << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
+
+#define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */
+#define SCB_CCR_UNALIGN_TRP_Msk (1ul << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
+
+/* SCB System Handler Control and State Register Definitions */
+#define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
+#define SCB_SHCSR_SVCALLPENDED_Msk (1ul << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
+
+/* SCB Debug Fault Status Register Definitions */
+#define SCB_DFSR_EXTERNAL_Pos 4 /*!< SCB DFSR: EXTERNAL Position */
+#define SCB_DFSR_EXTERNAL_Msk (1ul << SCB_DFSR_EXTERNAL_Pos) /*!< SCB DFSR: EXTERNAL Mask */
+
+#define SCB_DFSR_VCATCH_Pos 3 /*!< SCB DFSR: VCATCH Position */
+#define SCB_DFSR_VCATCH_Msk (1ul << SCB_DFSR_VCATCH_Pos) /*!< SCB DFSR: VCATCH Mask */
+
+#define SCB_DFSR_DWTTRAP_Pos 2 /*!< SCB DFSR: DWTTRAP Position */
+#define SCB_DFSR_DWTTRAP_Msk (1ul << SCB_DFSR_DWTTRAP_Pos) /*!< SCB DFSR: DWTTRAP Mask */
+
+#define SCB_DFSR_BKPT_Pos 1 /*!< SCB DFSR: BKPT Position */
+#define SCB_DFSR_BKPT_Msk (1ul << SCB_DFSR_BKPT_Pos) /*!< SCB DFSR: BKPT Mask */
+
+#define SCB_DFSR_HALTED_Pos 0 /*!< SCB DFSR: HALTED Position */
+#define SCB_DFSR_HALTED_Msk (1ul << SCB_DFSR_HALTED_Pos) /*!< SCB DFSR: HALTED Mask */
+/*@}*/ /* end of group CMSIS_CM0_SCB */
+
+
+/** @addtogroup CMSIS_CM0_SysTick CMSIS CM0 SysTick
+ memory mapped structure for SysTick
+ @{
+ */
+typedef struct
+{
+ __IO uint32_t CTRL; /*!< Offset: 0x00 SysTick Control and Status Register */
+ __IO uint32_t LOAD; /*!< Offset: 0x04 SysTick Reload Value Register */
+ __IO uint32_t VAL; /*!< Offset: 0x08 SysTick Current Value Register */
+ __I uint32_t CALIB; /*!< Offset: 0x0C SysTick Calibration Register */
+} SysTick_Type;
+
+/* SysTick Control / Status Register Definitions */
+#define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */
+#define SysTick_CTRL_COUNTFLAG_Msk (1ul << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
+
+#define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */
+#define SysTick_CTRL_CLKSOURCE_Msk (1ul << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
+
+#define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */
+#define SysTick_CTRL_TICKINT_Msk (1ul << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
+
+#define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */
+#define SysTick_CTRL_ENABLE_Msk (1ul << SysTick_CTRL_ENABLE_Pos) /*!< SysTick CTRL: ENABLE Mask */
+
+/* SysTick Reload Register Definitions */
+#define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */
+#define SysTick_LOAD_RELOAD_Msk (0xFFFFFFul << SysTick_LOAD_RELOAD_Pos) /*!< SysTick LOAD: RELOAD Mask */
+
+/* SysTick Current Register Definitions */
+#define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */
+#define SysTick_VAL_CURRENT_Msk (0xFFFFFFul << SysTick_VAL_CURRENT_Pos) /*!< SysTick VAL: CURRENT Mask */
+
+/* SysTick Calibration Register Definitions */
+#define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */
+#define SysTick_CALIB_NOREF_Msk (1ul << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
+
+#define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */
+#define SysTick_CALIB_SKEW_Msk (1ul << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
+
+#define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */
+#define SysTick_CALIB_TENMS_Msk (0xFFFFFFul << SysTick_VAL_CURRENT_Pos) /*!< SysTick CALIB: TENMS Mask */
+/*@}*/ /* end of group CMSIS_CM0_SysTick */
+
+
+/** @addtogroup CMSIS_CM0_CoreDebug CMSIS CM0 Core Debug
+ memory mapped structure for Core Debug Register
+ @{
+ */
+typedef struct
+{
+ __IO uint32_t DHCSR; /*!< Offset: 0x00 Debug Halting Control and Status Register */
+ __O uint32_t DCRSR; /*!< Offset: 0x04 Debug Core Register Selector Register */
+ __IO uint32_t DCRDR; /*!< Offset: 0x08 Debug Core Register Data Register */
+ __IO uint32_t DEMCR; /*!< Offset: 0x0C Debug Exception and Monitor Control Register */
+} CoreDebug_Type;
+
+/* Debug Halting Control and Status Register */
+#define CoreDebug_DHCSR_DBGKEY_Pos 16 /*!< CoreDebug DHCSR: DBGKEY Position */
+#define CoreDebug_DHCSR_DBGKEY_Msk (0xFFFFul << CoreDebug_DHCSR_DBGKEY_Pos) /*!< CoreDebug DHCSR: DBGKEY Mask */
+
+#define CoreDebug_DHCSR_S_RESET_ST_Pos 25 /*!< CoreDebug DHCSR: S_RESET_ST Position */
+#define CoreDebug_DHCSR_S_RESET_ST_Msk (1ul << CoreDebug_DHCSR_S_RESET_ST_Pos) /*!< CoreDebug DHCSR: S_RESET_ST Mask */
+
+#define CoreDebug_DHCSR_S_RETIRE_ST_Pos 24 /*!< CoreDebug DHCSR: S_RETIRE_ST Position */
+#define CoreDebug_DHCSR_S_RETIRE_ST_Msk (1ul << CoreDebug_DHCSR_S_RETIRE_ST_Pos) /*!< CoreDebug DHCSR: S_RETIRE_ST Mask */
+
+#define CoreDebug_DHCSR_S_LOCKUP_Pos 19 /*!< CoreDebug DHCSR: S_LOCKUP Position */
+#define CoreDebug_DHCSR_S_LOCKUP_Msk (1ul << CoreDebug_DHCSR_S_LOCKUP_Pos) /*!< CoreDebug DHCSR: S_LOCKUP Mask */
+
+#define CoreDebug_DHCSR_S_SLEEP_Pos 18 /*!< CoreDebug DHCSR: S_SLEEP Position */
+#define CoreDebug_DHCSR_S_SLEEP_Msk (1ul << CoreDebug_DHCSR_S_SLEEP_Pos) /*!< CoreDebug DHCSR: S_SLEEP Mask */
+
+#define CoreDebug_DHCSR_S_HALT_Pos 17 /*!< CoreDebug DHCSR: S_HALT Position */
+#define CoreDebug_DHCSR_S_HALT_Msk (1ul << CoreDebug_DHCSR_S_HALT_Pos) /*!< CoreDebug DHCSR: S_HALT Mask */
+
+#define CoreDebug_DHCSR_S_REGRDY_Pos 16 /*!< CoreDebug DHCSR: S_REGRDY Position */
+#define CoreDebug_DHCSR_S_REGRDY_Msk (1ul << CoreDebug_DHCSR_S_REGRDY_Pos) /*!< CoreDebug DHCSR: S_REGRDY Mask */
+
+#define CoreDebug_DHCSR_C_MASKINTS_Pos 3 /*!< CoreDebug DHCSR: C_MASKINTS Position */
+#define CoreDebug_DHCSR_C_MASKINTS_Msk (1ul << CoreDebug_DHCSR_C_MASKINTS_Pos) /*!< CoreDebug DHCSR: C_MASKINTS Mask */
+
+#define CoreDebug_DHCSR_C_STEP_Pos 2 /*!< CoreDebug DHCSR: C_STEP Position */
+#define CoreDebug_DHCSR_C_STEP_Msk (1ul << CoreDebug_DHCSR_C_STEP_Pos) /*!< CoreDebug DHCSR: C_STEP Mask */
+
+#define CoreDebug_DHCSR_C_HALT_Pos 1 /*!< CoreDebug DHCSR: C_HALT Position */
+#define CoreDebug_DHCSR_C_HALT_Msk (1ul << CoreDebug_DHCSR_C_HALT_Pos) /*!< CoreDebug DHCSR: C_HALT Mask */
+
+#define CoreDebug_DHCSR_C_DEBUGEN_Pos 0 /*!< CoreDebug DHCSR: C_DEBUGEN Position */
+#define CoreDebug_DHCSR_C_DEBUGEN_Msk (1ul << CoreDebug_DHCSR_C_DEBUGEN_Pos) /*!< CoreDebug DHCSR: C_DEBUGEN Mask */
+
+/* Debug Core Register Selector Register */
+#define CoreDebug_DCRSR_REGWnR_Pos 16 /*!< CoreDebug DCRSR: REGWnR Position */
+#define CoreDebug_DCRSR_REGWnR_Msk (1ul << CoreDebug_DCRSR_REGWnR_Pos) /*!< CoreDebug DCRSR: REGWnR Mask */
+
+#define CoreDebug_DCRSR_REGSEL_Pos 0 /*!< CoreDebug DCRSR: REGSEL Position */
+#define CoreDebug_DCRSR_REGSEL_Msk (0x1Ful << CoreDebug_DCRSR_REGSEL_Pos) /*!< CoreDebug DCRSR: REGSEL Mask */
+
+/* Debug Exception and Monitor Control Register */
+#define CoreDebug_DEMCR_DWTENA_Pos 24 /*!< CoreDebug DEMCR: DWTENA Position */
+#define CoreDebug_DEMCR_DWTENA_Msk (1ul << CoreDebug_DEMCR_DWTENA_Pos) /*!< CoreDebug DEMCR: DWTENA Mask */
+
+#define CoreDebug_DEMCR_VC_HARDERR_Pos 10 /*!< CoreDebug DEMCR: VC_HARDERR Position */
+#define CoreDebug_DEMCR_VC_HARDERR_Msk (1ul << CoreDebug_DEMCR_VC_HARDERR_Pos) /*!< CoreDebug DEMCR: VC_HARDERR Mask */
+
+#define CoreDebug_DEMCR_VC_CORERESET_Pos 0 /*!< CoreDebug DEMCR: VC_CORERESET Position */
+#define CoreDebug_DEMCR_VC_CORERESET_Msk (1ul << CoreDebug_DEMCR_VC_CORERESET_Pos) /*!< CoreDebug DEMCR: VC_CORERESET Mask */
+/*@}*/ /* end of group CMSIS_CM0_CoreDebug */
+
+
+/* Memory mapping of Cortex-M0 Hardware */
+#define SCS_BASE (0xE000E000) /*!< System Control Space Base Address */
+#define CoreDebug_BASE (0xE000EDF0) /*!< Core Debug Base Address */
+#define SysTick_BASE (SCS_BASE + 0x0010) /*!< SysTick Base Address */
+#define NVIC_BASE (SCS_BASE + 0x0100) /*!< NVIC Base Address */
+#define SCB_BASE (SCS_BASE + 0x0D00) /*!< System Control Block Base Address */
+
+#define SCB ((SCB_Type *) SCB_BASE) /*!< SCB configuration struct */
+#define SysTick ((SysTick_Type *) SysTick_BASE) /*!< SysTick configuration struct */
+#define NVIC ((NVIC_Type *) NVIC_BASE) /*!< NVIC configuration struct */
+#define CoreDebug ((CoreDebug_Type *) CoreDebug_BASE) /*!< Core Debug configuration struct */
+
+/*@}*/ /* end of group CMSIS_CM0_core_register */
+
+
+/*******************************************************************************
+ * Hardware Abstraction Layer
+ ******************************************************************************/
+
+#if defined ( __CC_ARM )
+ #define __ASM __asm /*!< asm keyword for ARM Compiler */
+ #define __INLINE __inline /*!< inline keyword for ARM Compiler */
+
+#elif defined ( __ICCARM__ )
+ #define __ASM __asm /*!< asm keyword for IAR Compiler */
+ #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
+
+#elif defined ( __GNUC__ )
+ #define __ASM __asm /*!< asm keyword for GNU Compiler */
+ #define __INLINE inline /*!< inline keyword for GNU Compiler */
+
+#elif defined ( __TASKING__ )
+ #define __ASM __asm /*!< asm keyword for TASKING Compiler */
+ #define __INLINE inline /*!< inline keyword for TASKING Compiler */
+
+#endif
+
+
+/* ################### Compiler specific Intrinsics ########################### */
+
+#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
+/* ARM armcc specific functions */
+
+#define __enable_fault_irq __enable_fiq
+#define __disable_fault_irq __disable_fiq
+
+#define __NOP __nop
+#define __WFI __wfi
+#define __WFE __wfe
+#define __SEV __sev
+#define __ISB() __isb(0)
+#define __DSB() __dsb(0)
+#define __DMB() __dmb(0)
+#define __REV __rev
+
+
+/* intrinsic void __enable_irq(); */
+/* intrinsic void __disable_irq(); */
+
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @return ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+extern uint32_t __get_PSP(void);
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param topOfProcStack Process Stack Pointer
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+extern void __set_PSP(uint32_t topOfProcStack);
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @return Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+extern uint32_t __get_MSP(void);
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param topOfMainStack Main Stack Pointer
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+extern void __set_MSP(uint32_t topOfMainStack);
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+extern uint32_t __REV16(uint16_t value);
+
+/**
+ * @brief Reverse byte order in signed short value with sign extension to integer
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in signed short value with sign extension to integer
+ */
+extern int32_t __REVSH(int16_t value);
+
+
+#if (__ARMCC_VERSION < 400000)
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @return PriMask
+ *
+ * Return state of the priority mask bit from the priority mask register
+ */
+extern uint32_t __get_PRIMASK(void);
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param priMask PriMask
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+extern void __set_PRIMASK(uint32_t priMask);
+
+/**
+ * @brief Return the Control Register value
+ *
+ * @return Control value
+ *
+ * Return the content of the control register
+ */
+extern uint32_t __get_CONTROL(void);
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param control Control value
+ *
+ * Set the control register
+ */
+extern void __set_CONTROL(uint32_t control);
+
+#else /* (__ARMCC_VERSION >= 400000) */
+
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @return PriMask
+ *
+ * Return state of the priority mask bit from the priority mask register
+ */
+static __INLINE uint32_t __get_PRIMASK(void)
+{
+ register uint32_t __regPriMask __ASM("primask");
+ return(__regPriMask);
+}
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param priMask PriMask
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+static __INLINE void __set_PRIMASK(uint32_t priMask)
+{
+ register uint32_t __regPriMask __ASM("primask");
+ __regPriMask = (priMask);
+}
+
+/**
+ * @brief Return the Control Register value
+ *
+ * @return Control value
+ *
+ * Return the content of the control register
+ */
+static __INLINE uint32_t __get_CONTROL(void)
+{
+ register uint32_t __regControl __ASM("control");
+ return(__regControl);
+}
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param control Control value
+ *
+ * Set the control register
+ */
+static __INLINE void __set_CONTROL(uint32_t control)
+{
+ register uint32_t __regControl __ASM("control");
+ __regControl = control;
+}
+
+#endif /* __ARMCC_VERSION */
+
+
+
+#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
+/* IAR iccarm specific functions */
+
+#define __enable_irq __enable_interrupt /*!< global Interrupt enable */
+#define __disable_irq __disable_interrupt /*!< global Interrupt disable */
+
+static __INLINE void __enable_fault_irq() { __ASM ("cpsie f"); }
+static __INLINE void __disable_fault_irq() { __ASM ("cpsid f"); }
+
+#define __NOP __no_operation /*!< no operation intrinsic in IAR Compiler */
+static __INLINE void __WFI() { __ASM ("wfi"); }
+static __INLINE void __WFE() { __ASM ("wfe"); }
+static __INLINE void __SEV() { __ASM ("sev"); }
+
+/* intrinsic void __ISB(void) */
+/* intrinsic void __DSB(void) */
+/* intrinsic void __DMB(void) */
+/* intrinsic void __set_PRIMASK(); */
+/* intrinsic void __get_PRIMASK(); */
+
+
+/* intrinsic uint32_t __REV(uint32_t value); */
+/* intrinsic uint32_t __REVSH(uint32_t value); */
+
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @return ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+extern uint32_t __get_PSP(void);
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param topOfProcStack Process Stack Pointer
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+extern void __set_PSP(uint32_t topOfProcStack);
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @return Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+extern uint32_t __get_MSP(void);
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param topOfMainStack Main Stack Pointer
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+extern void __set_MSP(uint32_t topOfMainStack);
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+extern uint32_t __REV16(uint16_t value);
+
+
+
+
+
+#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
+/* GNU gcc specific functions */
+
+static __INLINE void __enable_irq() { __ASM volatile ("cpsie i"); }
+static __INLINE void __disable_irq() { __ASM volatile ("cpsid i"); }
+
+static __INLINE void __enable_fault_irq() { __ASM volatile ("cpsie f"); }
+static __INLINE void __disable_fault_irq() { __ASM volatile ("cpsid f"); }
+
+static __INLINE void __NOP() { __ASM volatile ("nop"); }
+static __INLINE void __WFI() { __ASM volatile ("wfi"); }
+static __INLINE void __WFE() { __ASM volatile ("wfe"); }
+static __INLINE void __SEV() { __ASM volatile ("sev"); }
+static __INLINE void __ISB() { __ASM volatile ("isb"); }
+static __INLINE void __DSB() { __ASM volatile ("dsb"); }
+static __INLINE void __DMB() { __ASM volatile ("dmb"); }
+
+
+/**
+ * @brief Return the Process Stack Pointer
+ *
+ * @return ProcessStackPointer
+ *
+ * Return the actual process stack pointer
+ */
+extern uint32_t __get_PSP(void);
+
+/**
+ * @brief Set the Process Stack Pointer
+ *
+ * @param topOfProcStack Process Stack Pointer
+ *
+ * Assign the value ProcessStackPointer to the MSP
+ * (process stack pointer) Cortex processor register
+ */
+extern void __set_PSP(uint32_t topOfProcStack);
+
+/**
+ * @brief Return the Main Stack Pointer
+ *
+ * @return Main Stack Pointer
+ *
+ * Return the current value of the MSP (main stack pointer)
+ * Cortex processor register
+ */
+extern uint32_t __get_MSP(void);
+
+/**
+ * @brief Set the Main Stack Pointer
+ *
+ * @param topOfMainStack Main Stack Pointer
+ *
+ * Assign the value mainStackPointer to the MSP
+ * (main stack pointer) Cortex processor register
+ */
+extern void __set_MSP(uint32_t topOfMainStack);
+
+/**
+ * @brief Return the Priority Mask value
+ *
+ * @return PriMask
+ *
+ * Return state of the priority mask bit from the priority mask register
+ */
+extern uint32_t __get_PRIMASK(void);
+
+/**
+ * @brief Set the Priority Mask value
+ *
+ * @param priMask PriMask
+ *
+ * Set the priority mask bit in the priority mask register
+ */
+extern void __set_PRIMASK(uint32_t priMask);
+
+/**
+ * @brief Return the Control Register value
+*
+* @return Control value
+ *
+ * Return the content of the control register
+ */
+extern uint32_t __get_CONTROL(void);
+
+/**
+ * @brief Set the Control Register value
+ *
+ * @param control Control value
+ *
+ * Set the control register
+ */
+extern void __set_CONTROL(uint32_t control);
+
+/**
+ * @brief Reverse byte order in integer value
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in integer value
+ */
+extern uint32_t __REV(uint32_t value);
+
+/**
+ * @brief Reverse byte order in unsigned short value
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in unsigned short value
+ */
+extern uint32_t __REV16(uint16_t value);
+
+/**
+ * @brief Reverse byte order in signed short value with sign extension to integer
+ *
+ * @param value value to reverse
+ * @return reversed value
+ *
+ * Reverse byte order in signed short value with sign extension to integer
+ */
+extern int32_t __REVSH(int16_t value);
+
+
+#elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/
+/* TASKING carm specific functions */
+
+/*
+ * The CMSIS functions have been implemented as intrinsics in the compiler.
+ * Please use "carm -?i" to get an up to date list of all instrinsics,
+ * Including the CMSIS ones.
+ */
+
+#endif
+
+
+/** @addtogroup CMSIS_CM0_Core_FunctionInterface CMSIS CM0 Core Function Interface
+ Core Function Interface containing:
+ - Core NVIC Functions
+ - Core SysTick Functions
+ - Core Reset Functions
+*/
+/*@{*/
+
+/* ########################## NVIC functions #################################### */
+
+/* Interrupt Priorities are WORD accessible only under ARMv6M */
+/* The following MACROS handle generation of the register offset and byte masks */
+#define _BIT_SHIFT(IRQn) ( (((uint32_t)(IRQn) ) & 0x03) * 8 )
+#define _SHP_IDX(IRQn) ( ((((uint32_t)(IRQn) & 0x0F)-8) >> 2) )
+#define _IP_IDX(IRQn) ( ((uint32_t)(IRQn) >> 2) )
+
+
+/**
+ * @brief Enable Interrupt in NVIC Interrupt Controller
+ *
+ * @param IRQn The positive number of the external interrupt to enable
+ *
+ * Enable a device specific interupt in the NVIC interrupt controller.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
+{
+ NVIC->ISER[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* enable interrupt */
+}
+
+/**
+ * @brief Disable the interrupt line for external interrupt specified
+ *
+ * @param IRQn The positive number of the external interrupt to disable
+ *
+ * Disable a device specific interupt in the NVIC interrupt controller.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
+{
+ NVIC->ICER[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* disable interrupt */
+}
+
+/**
+ * @brief Read the interrupt pending bit for a device specific interrupt source
+ *
+ * @param IRQn The number of the device specifc interrupt
+ * @return 1 = interrupt pending, 0 = interrupt not pending
+ *
+ * Read the pending register in NVIC and return 1 if its status is pending,
+ * otherwise it returns 0
+ */
+static __INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
+{
+ return((uint32_t) ((NVIC->ISPR[0] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); /* Return 1 if pending else 0 */
+}
+
+/**
+ * @brief Set the pending bit for an external interrupt
+ *
+ * @param IRQn The number of the interrupt for set pending
+ *
+ * Set the pending bit for the specified interrupt.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
+{
+ NVIC->ISPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* set interrupt pending */
+}
+
+/**
+ * @brief Clear the pending bit for an external interrupt
+ *
+ * @param IRQn The number of the interrupt for clear pending
+ *
+ * Clear the pending bit for the specified interrupt.
+ * The interrupt number cannot be a negative value.
+ */
+static __INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
+{
+ NVIC->ICPR[0] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */
+}
+
+/**
+ * @brief Set the priority for an interrupt
+ *
+ * @param IRQn The number of the interrupt for set priority
+ * @param priority The priority to set
+ *
+ * Set the priority for the specified interrupt. The interrupt
+ * number can be positive to specify an external (device specific)
+ * interrupt, or negative to specify an internal (core) interrupt.
+ *
+ * Note: The priority cannot be set for every core interrupt.
+ */
+static __INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
+{
+ if(IRQn < 0) {
+ SCB->SHP[_SHP_IDX(IRQn)] = (SCB->SHP[_SHP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
+ (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
+ else {
+ NVIC->IPR[_IP_IDX(IRQn)] = (NVIC->IPR[_IP_IDX(IRQn)] & ~(0xFF << _BIT_SHIFT(IRQn))) |
+ (((priority << (8 - __NVIC_PRIO_BITS)) & 0xFF) << _BIT_SHIFT(IRQn)); }
+}
+
+/**
+ * @brief Read the priority for an interrupt
+ *
+ * @param IRQn The number of the interrupt for get priority
+ * @return The priority for the interrupt
+ *
+ * Read the priority for the specified interrupt. The interrupt
+ * number can be positive to specify an external (device specific)
+ * interrupt, or negative to specify an internal (core) interrupt.
+ *
+ * The returned priority value is automatically aligned to the implemented
+ * priority bits of the microcontroller.
+ *
+ * Note: The priority cannot be set for every core interrupt.
+ */
+static __INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
+{
+
+ if(IRQn < 0) {
+ return((uint32_t)((SCB->SHP[_SHP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for Cortex-M0 system interrupts */
+ else {
+ return((uint32_t)((NVIC->IPR[_IP_IDX(IRQn)] >> _BIT_SHIFT(IRQn) ) >> (8 - __NVIC_PRIO_BITS))); } /* get priority for device specific interrupts */
+}
+
+
+
+/* ################################## SysTick function ############################################ */
+
+#if (!defined (__Vendor_SysTickConfig)) || (__Vendor_SysTickConfig == 0)
+
+/**
+ * @brief Initialize and start the SysTick counter and its interrupt.
+ *
+ * @param ticks number of ticks between two interrupts
+ * @return 1 = failed, 0 = successful
+ *
+ * Initialise the system tick timer and its interrupt and start the
+ * system tick timer / counter in free running mode to generate
+ * periodical interrupts.
+ */
+static __INLINE uint32_t SysTick_Config(uint32_t ticks)
+{
+ if (ticks > SysTick_LOAD_RELOAD_Msk) return (1); /* Reload value impossible */
+
+ SysTick->LOAD = (ticks & SysTick_LOAD_RELOAD_Msk) - 1; /* set reload register */
+ NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1); /* set Priority for Cortex-M0 System Interrupts */
+ SysTick->VAL = 0; /* Load the SysTick Counter Value */
+ SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
+ SysTick_CTRL_TICKINT_Msk |
+ SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
+ return (0); /* Function successful */
+}
+
+#endif
+
+
+
+
+/* ################################## Reset function ############################################ */
+
+/**
+ * @brief Initiate a system reset request.
+ *
+ * Initiate a system reset request to reset the MCU
+ */
+static __INLINE void NVIC_SystemReset(void)
+{
+ SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) |
+ SCB_AIRCR_SYSRESETREQ_Msk);
+ __DSB(); /* Ensure completion of memory access */
+ while(1); /* wait until reset */
+}
+
+/*@}*/ /* end of group CMSIS_CM0_Core_FunctionInterface */
+
+#ifdef __cplusplus
+}
+#endif
+
+/*@}*/ /* end of group CMSIS_CM0_core_definitions */
+
+#endif /* __CM0_CORE_H__ */
+
+/*lint -restore */
diff --git a/libcpu/arm/lpc1100/CMSIS/system_LPC11xx.c b/libcpu/arm/lpc1100/CMSIS/system_LPC11xx.c
new file mode 100644
index 0000000000..acf8327afb
--- /dev/null
+++ b/libcpu/arm/lpc1100/CMSIS/system_LPC11xx.c
@@ -0,0 +1,450 @@
+/**************************************************************************//**
+ * @file system_LPC11xx.c
+ * @brief CMSIS Cortex-M0 Device Peripheral Access Layer Source File
+ * for the NXP LPC11xx Device Series
+ * @version V1.00
+ * @date 17. November 2009
+ *
+ * @note
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers. This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+
+#include <stdint.h>
+#include "LPC11xx.h"
+
+/*
+//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------
+*/
+
+/*--------------------- Clock Configuration ----------------------------------
+//
+// <e> Clock Configuration
+// <e1> System Clock Setup
+// <e2> System Oscillator Enable
+// <o3.1> Select System Oscillator Frequency Range
+// <0=> 1 - 20 MHz
+// <1=> 15 - 25 MHz
+// </e2>
+// <e4> Watchdog Oscillator Enable
+// <o5.0..4> Select Divider for Fclkana
+// <0=> 2 <1=> 4 <2=> 6 <3=> 8
+// <4=> 10 <5=> 12 <6=> 14 <7=> 16
+// <8=> 18 <9=> 20 <10=> 22 <11=> 24
+// <12=> 26 <13=> 28 <14=> 30 <15=> 32
+// <16=> 34 <17=> 36 <18=> 38 <19=> 40
+// <20=> 42 <21=> 44 <22=> 46 <23=> 48
+// <24=> 50 <25=> 52 <26=> 54 <27=> 56
+// <28=> 58 <29=> 60 <30=> 62 <31=> 64
+// <o5.5..8> Select Watchdog Oscillator Analog Frequency (Fclkana)
+// <0=> Disabled
+// <1=> 0.5 MHz
+// <2=> 0.8 MHz
+// <3=> 1.1 MHz
+// <4=> 1.4 MHz
+// <5=> 1.6 MHz
+// <6=> 1.8 MHz
+// <7=> 2.0 MHz
+// <8=> 2.2 MHz
+// <9=> 2.4 MHz
+// <10=> 2.6 MHz
+// <11=> 2.7 MHz
+// <12=> 2.9 MHz
+// <13=> 3.1 MHz
+// <14=> 3.2 MHz
+// <15=> 3.4 MHz
+// </e4>
+// <o6> Select Input Clock for sys_pllclkin (Register: SYSPLLCLKSEL)
+// <0=> IRC Oscillator
+// <1=> System Oscillator
+// <2=> WDT Oscillator
+// <3=> Invalid
+// <e7> Use System PLL
+// <i> F_pll = M * F_in
+// <i> F_in must be in the range of 10 MHz to 25 MHz
+// <o8.0..4> M: PLL Multiplier Selection
+// <1-32><#-1>
+// <o8.5..6> P: PLL Divider Selection
+// <0=> 2
+// <1=> 4
+// <2=> 8
+// <3=> 16
+// <o8.7> DIRECT: Direct CCO Clock Output Enable
+// <o8.8> BYPASS: PLL Bypass Enable
+// </e7>
+// <o9> Select Input Clock for Main clock (Register: MAINCLKSEL)
+// <0=> IRC Oscillator
+// <1=> Input Clock to System PLL
+// <2=> WDT Oscillator
+// <3=> System PLL Clock Out
+// </e1>
+// <o10.0..7> System AHB Divider <0-255>
+// <i> 0 = is disabled
+// <o11.0> SYS Clock Enable
+// <o11.1> ROM Clock Enable
+// <o11.2> RAM Clock Enable
+// <o11.3> FLASHREG Flash Register Interface Clock Enable
+// <o11.4> FLASHARRAY Flash Array Access Clock Enable
+// <o11.5> I2C Clock Enable
+// <o11.6> GPIO Clock Enable
+// <o11.7> CT16B0 Clock Enable
+// <o11.8> CT16B1 Clock Enable
+// <o11.9> CT32B0 Clock Enable
+// <o11.10> CT32B1 Clock Enable
+// <o11.11> SSP0 Clock Enable
+// <o11.12> UART Clock Enable
+// <o11.13> ADC Clock Enable
+// <o11.15> WDT Clock Enable
+// <o11.16> IOCON Clock Enable
+// <o11.18> SSP1 Clock Enable
+//
+// <o12.0..7> SSP0 Clock Divider <0-255>
+// <i> 0 = is disabled
+// <o13.0..7> UART Clock Divider <0-255>
+// <i> 0 = is disabled
+// <o14.0..7> SSP1 Clock Divider <0-255>
+// <i> 0 = is disabled
+// </e>
+*/
+#define CLOCK_SETUP 1
+#define SYSCLK_SETUP 1
+#define SYSOSC_SETUP 1
+#define SYSOSCCTRL_Val 0x00000000
+#define WDTOSC_SETUP 0
+#define WDTOSCCTRL_Val 0x000000A0
+#define SYSPLLCLKSEL_Val 0x00000001
+#define SYSPLL_SETUP 1
+#define SYSPLLCTRL_Val 0x00000023
+#define MAINCLKSEL_Val 0x00000003
+#define SYSAHBCLKDIV_Val 0x00000001
+#define AHBCLKCTRL_Val 0x0001005F
+#define SSP0CLKDIV_Val 0x00000001
+#define UARTCLKDIV_Val 0x00000001
+#define SSP1CLKDIV_Val 0x00000001
+
+/*--------------------- Memory Mapping Configuration -------------------------
+//
+// <e> Memory Mapping
+// <o1.0..1> System Memory Remap (Register: SYSMEMREMAP)
+// <0=> Bootloader mapped to address 0
+// <1=> RAM mapped to address 0
+// <2=> Flash mapped to address 0
+// <3=> Flash mapped to address 0
+// </e>
+*/
+#define MEMMAP_SETUP 0
+#define SYSMEMREMAP_Val 0x00000001
+
+/*
+//-------- <<< end of configuration section >>> ------------------------------
+*/
+
+/*----------------------------------------------------------------------------
+ Check the register settings
+ *----------------------------------------------------------------------------*/
+#define CHECK_RANGE(val, min, max) ((val < min) || (val > max))
+#define CHECK_RSVD(val, mask) (val & mask)
+
+/* Clock Configuration -------------------------------------------------------*/
+#if (CHECK_RSVD((SYSOSCCTRL_Val), ~0x00000003))
+ #error "SYSOSCCTRL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RSVD((WDTOSCCTRL_Val), ~0x000001FF))
+ #error "WDTOSCCTRL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RANGE((SYSPLLCLKSEL_Val), 0, 2))
+ #error "SYSPLLCLKSEL: Value out of range!"
+#endif
+
+#if (CHECK_RSVD((SYSPLLCTRL_Val), ~0x000001FF))
+ #error "SYSPLLCTRL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RSVD((MAINCLKSEL_Val), ~0x00000003))
+ #error "MAINCLKSEL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RANGE((SYSAHBCLKDIV_Val), 0, 255))
+ #error "SYSAHBCLKDIV: Value out of range!"
+#endif
+
+#if (CHECK_RSVD((AHBCLKCTRL_Val), ~0x0001FFFF))
+ #error "AHBCLKCTRL: Invalid values of reserved bits!"
+#endif
+
+#if (CHECK_RANGE((SSP0CLKDIV_Val), 0, 255))
+ #error "SSP0CLKDIV: Value out of range!"
+#endif
+
+#if (CHECK_RANGE((UARTCLKDIV_Val), 0, 255))
+ #error "UARTCLKDIV: Value out of range!"
+#endif
+
+#if (CHECK_RANGE((SSP1CLKDIV_Val), 0, 255))
+ #error "SSP1CLKDIV: Value out of range!"
+#endif
+
+#if (CHECK_RSVD((SYSMEMREMAP_Val), ~0x00000003))
+ #error "SYSMEMREMAP: Invalid values of reserved bits!"
+#endif
+
+
+/*----------------------------------------------------------------------------
+ DEFINES
+ *----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+ Define clocks
+ *----------------------------------------------------------------------------*/
+#define __XTAL (12000000UL) /* Oscillator frequency */
+#define __SYS_OSC_CLK ( __XTAL) /* Main oscillator frequency */
+#define __IRC_OSC_CLK (12000000UL) /* Internal RC oscillator frequency */
+
+
+#define __FREQSEL ((WDTOSCCTRL_Val >> 5) & 0x0F)
+#define __DIVSEL (((WDTOSCCTRL_Val & 0x1F) << 1) + 2)
+
+#if (CLOCK_SETUP) /* Clock Setup */
+ #if (SYSCLK_SETUP) /* System Clock Setup */
+ #if (WDTOSC_SETUP) /* Watchdog Oscillator Setup*/
+ #if (__FREQSEL == 0)
+ #define __WDT_OSC_CLK ( 400000 / __DIVSEL)
+ #elif (__FREQSEL == 1)
+ #define __WDT_OSC_CLK ( 500000 / __DIVSEL)
+ #elif (__FREQSEL == 2)
+ #define __WDT_OSC_CLK ( 800000 / __DIVSEL)
+ #elif (__FREQSEL == 3)
+ #define __WDT_OSC_CLK (1100000 / __DIVSEL)
+ #elif (__FREQSEL == 4)
+ #define __WDT_OSC_CLK (1400000 / __DIVSEL)
+ #elif (__FREQSEL == 5)
+ #define __WDT_OSC_CLK (1600000 / __DIVSEL)
+ #elif (__FREQSEL == 6)
+ #define __WDT_OSC_CLK (1800000 / __DIVSEL)
+ #elif (__FREQSEL == 7)
+ #define __WDT_OSC_CLK (2000000 / __DIVSEL)
+ #elif (__FREQSEL == 8)
+ #define __WDT_OSC_CLK (2200000 / __DIVSEL)
+ #elif (__FREQSEL == 9)
+ #define __WDT_OSC_CLK (2400000 / __DIVSEL)
+ #elif (__FREQSEL == 10)
+ #define __WDT_OSC_CLK (2600000 / __DIVSEL)
+ #elif (__FREQSEL == 11)
+ #define __WDT_OSC_CLK (2700000 / __DIVSEL)
+ #elif (__FREQSEL == 12)
+ #define __WDT_OSC_CLK (2900000 / __DIVSEL)
+ #elif (__FREQSEL == 13)
+ #define __WDT_OSC_CLK (3100000 / __DIVSEL)
+ #elif (__FREQSEL == 14)
+ #define __WDT_OSC_CLK (3200000 / __DIVSEL)
+ #else
+ #define __WDT_OSC_CLK (3400000 / __DIVSEL)
+ #endif
+ #else
+ #define __WDT_OSC_CLK (1600000 / 2)
+ #endif // WDTOSC_SETUP
+
+ /* sys_pllclkin calculation */
+ #if ((SYSPLLCLKSEL_Val & 0x03) == 0)
+ #define __SYS_PLLCLKIN (__IRC_OSC_CLK)
+ #elif ((SYSPLLCLKSEL_Val & 0x03) == 1)
+ #define __SYS_PLLCLKIN (__SYS_OSC_CLK)
+ #elif ((SYSPLLCLKSEL_Val & 0x03) == 2)
+ #define __SYS_PLLCLKIN (__WDT_OSC_CLK)
+ #else
+ #define __SYS_PLLCLKIN (0)
+ #endif
+
+ #if (SYSPLL_SETUP) /* System PLL Setup */
+ #define __SYS_PLLCLKOUT (__SYS_PLLCLKIN * ((SYSPLLCTRL_Val & 0x01F) + 1))
+ #else
+ #define __SYS_PLLCLKOUT (__SYS_PLLCLKIN * (1))
+ #endif // SYSPLL_SETUP
+
+ /* main clock calculation */
+ #if ((MAINCLKSEL_Val & 0x03) == 0)
+ #define __MAIN_CLOCK (__IRC_OSC_CLK)
+ #elif ((MAINCLKSEL_Val & 0x03) == 1)
+ #define __MAIN_CLOCK (__SYS_PLLCLKIN)
+ #elif ((MAINCLKSEL_Val & 0x03) == 2)
+ #define __MAIN_CLOCK (__WDT_OSC_CLK)
+ #elif ((MAINCLKSEL_Val & 0x03) == 3)
+ #define __MAIN_CLOCK (__SYS_PLLCLKOUT)
+ #else
+ #define __MAIN_CLOCK (0)
+ #endif
+
+ #define __SYSTEM_CLOCK (__MAIN_CLOCK / SYSAHBCLKDIV_Val)
+
+ #else // SYSCLK_SETUP
+ #if (SYSAHBCLKDIV_Val == 0)
+ #define __SYSTEM_CLOCK (0)
+ #else
+ #define __SYSTEM_CLOCK (__XTAL / SYSAHBCLKDIV_Val)
+ #endif
+ #endif // SYSCLK_SETUP
+
+#else
+ #define __SYSTEM_CLOCK (__XTAL)
+#endif // CLOCK_SETUP
+
+
+/*----------------------------------------------------------------------------
+ Clock Variable definitions
+ *----------------------------------------------------------------------------*/
+uint32_t SystemCoreClock = __SYSTEM_CLOCK;/*!< System Clock Frequency (Core Clock)*/
+
+
+/*----------------------------------------------------------------------------
+ Clock functions
+ *----------------------------------------------------------------------------*/
+void SystemCoreClockUpdate (void) /* Get Core Clock Frequency */
+{
+ uint32_t wdt_osc = 0;
+
+ /* Determine clock frequency according to clock register values */
+ switch ((LPC_SYSCON->WDTOSCCTRL >> 5) & 0x0F) {
+ case 0: wdt_osc = 400000; break;
+ case 1: wdt_osc = 500000; break;
+ case 2: wdt_osc = 800000; break;
+ case 3: wdt_osc = 1100000; break;
+ case 4: wdt_osc = 1400000; break;
+ case 5: wdt_osc = 1600000; break;
+ case 6: wdt_osc = 1800000; break;
+ case 7: wdt_osc = 2000000; break;
+ case 8: wdt_osc = 2200000; break;
+ case 9: wdt_osc = 2400000; break;
+ case 10: wdt_osc = 2600000; break;
+ case 11: wdt_osc = 2700000; break;
+ case 12: wdt_osc = 2900000; break;
+ case 13: wdt_osc = 3100000; break;
+ case 14: wdt_osc = 3200000; break;
+ case 15: wdt_osc = 3400000; break;
+ }
+ wdt_osc /= ((LPC_SYSCON->WDTOSCCTRL & 0x1F) << 1) + 2;
+
+ switch (LPC_SYSCON->MAINCLKSEL & 0x03) {
+ case 0: /* Internal RC oscillator */
+ SystemCoreClock = __IRC_OSC_CLK;
+ break;
+ case 1: /* Input Clock to System PLL */
+ switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) {
+ case 0: /* Internal RC oscillator */
+ SystemCoreClock = __IRC_OSC_CLK;
+ break;
+ case 1: /* System oscillator */
+ SystemCoreClock = __SYS_OSC_CLK;
+ break;
+ case 2: /* WDT Oscillator */
+ SystemCoreClock = wdt_osc;
+ break;
+ case 3: /* Reserved */
+ SystemCoreClock = 0;
+ break;
+ }
+ break;
+ case 2: /* WDT Oscillator */
+ SystemCoreClock = wdt_osc;
+ break;
+ case 3: /* System PLL Clock Out */
+ switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) {
+ case 0: /* Internal RC oscillator */
+ if (LPC_SYSCON->SYSPLLCTRL & 0x180) {
+ SystemCoreClock = __IRC_OSC_CLK;
+ } else {
+ SystemCoreClock = __IRC_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1);
+ }
+ break;
+ case 1: /* System oscillator */
+ if (LPC_SYSCON->SYSPLLCTRL & 0x180) {
+ SystemCoreClock = __SYS_OSC_CLK;
+ } else {
+ SystemCoreClock = __SYS_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1);
+ }
+ break;
+ case 2: /* WDT Oscillator */
+ if (LPC_SYSCON->SYSPLLCTRL & 0x180) {
+ SystemCoreClock = wdt_osc;
+ } else {
+ SystemCoreClock = wdt_osc * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1);
+ }
+ break;
+ case 3: /* Reserved */
+ SystemCoreClock = 0;
+ break;
+ }
+ break;
+ }
+
+ SystemCoreClock /= LPC_SYSCON->SYSAHBCLKDIV;
+
+}
+
+/**
+ * Initialize the system
+ *
+ * @param none
+ * @return none
+ *
+ * @brief Setup the microcontroller system.
+ * Initialize the System.
+ */
+void SystemInit (void)
+{
+#if (CLOCK_SETUP) /* Clock Setup */
+#if (SYSCLK_SETUP) /* System Clock Setup */
+#if (SYSOSC_SETUP) /* System Oscillator Setup */
+ uint32_t i;
+
+ LPC_SYSCON->PDRUNCFG &= ~(1 << 5); /* Power-up System Osc */
+ LPC_SYSCON->SYSOSCCTRL = SYSOSCCTRL_Val;
+ for (i = 0; i < 200; i++) __NOP();
+ LPC_SYSCON->SYSPLLCLKSEL = SYSPLLCLKSEL_Val; /* Select PLL Input */
+ LPC_SYSCON->SYSPLLCLKUEN = 0x01; /* Update Clock Source */
+ LPC_SYSCON->SYSPLLCLKUEN = 0x00; /* Toggle Update Register */
+ LPC_SYSCON->SYSPLLCLKUEN = 0x01;
+ while (!(LPC_SYSCON->SYSPLLCLKUEN & 0x01)); /* Wait Until Updated */
+#if (SYSPLL_SETUP) /* System PLL Setup */
+ LPC_SYSCON->SYSPLLCTRL = SYSPLLCTRL_Val;
+ LPC_SYSCON->PDRUNCFG &= ~(1 << 7); /* Power-up SYSPLL */
+ while (!(LPC_SYSCON->SYSPLLSTAT & 0x01)); /* Wait Until PLL Locked */
+#endif
+#endif
+#if (WDTOSC_SETUP) /* Watchdog Oscillator Setup*/
+ LPC_SYSCON->WDTOSCCTRL = WDTOSCCTRL_Val;
+ LPC_SYSCON->PDRUNCFG &= ~(1 << 6); /* Power-up WDT Clock */
+#endif
+ LPC_SYSCON->MAINCLKSEL = MAINCLKSEL_Val; /* Select PLL Clock Output */
+ LPC_SYSCON->MAINCLKUEN = 0x01; /* Update MCLK Clock Source */
+ LPC_SYSCON->MAINCLKUEN = 0x00; /* Toggle Update Register */
+ LPC_SYSCON->MAINCLKUEN = 0x01;
+ while (!(LPC_SYSCON->MAINCLKUEN & 0x01)); /* Wait Until Updated */
+#endif
+
+ LPC_SYSCON->SYSAHBCLKDIV = SYSAHBCLKDIV_Val;
+ LPC_SYSCON->SYSAHBCLKCTRL = AHBCLKCTRL_Val;
+ LPC_SYSCON->SSP0CLKDIV = SSP0CLKDIV_Val;
+ LPC_SYSCON->UARTCLKDIV = UARTCLKDIV_Val;
+ LPC_SYSCON->SSP1CLKDIV = SSP1CLKDIV_Val;
+#endif
+
+
+#if (MEMMAP_SETUP || MEMMAP_INIT) /* Memory Mapping Setup */
+ LPC_SYSCON->SYSMEMREMAP = SYSMEMREMAP_Val;
+#endif
+}
diff --git a/libcpu/arm/lpc1100/CMSIS/system_LPC11xx.h b/libcpu/arm/lpc1100/CMSIS/system_LPC11xx.h
new file mode 100644
index 0000000000..385fe3888d
--- /dev/null
+++ b/libcpu/arm/lpc1100/CMSIS/system_LPC11xx.h
@@ -0,0 +1,64 @@
+/**************************************************************************//**
+ * @file system_LPC11xx.h
+ * @brief CMSIS Cortex-M0 Device Peripheral Access Layer Header File
+ * for the NXP LPC11xx Device Series
+ * @version V1.00
+ * @date 17. November 2009
+ *
+ * @note
+ * Copyright (C) 2009 ARM Limited. All rights reserved.
+ *
+ * @par
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M
+ * processor based microcontrollers. This file can be freely distributed
+ * within development tools that are supporting such ARM based processors.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+
+
+#ifndef __SYSTEM_LPC11xx_H
+#define __SYSTEM_LPC11xx_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
+
+
+/**
+ * Initialize the system
+ *
+ * @param none
+ * @return none
+ *
+ * @brief Setup the microcontroller system.
+ * Initialize the System and update the SystemCoreClock variable.
+ */
+extern void SystemInit (void);
+
+/**
+ * Update SystemCoreClock variable
+ *
+ * @param none
+ * @return none
+ *
+ * @brief Updates the SystemCoreClock with current core Clock
+ * retrieved from cpu registers.
+ */
+extern void SystemCoreClockUpdate (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SYSTEM_LPC11x_H */
diff --git a/libcpu/arm/lpc1100/context_rvds.S b/libcpu/arm/lpc1100/context_rvds.S
new file mode 100644
index 0000000000..7d9080643e
--- /dev/null
+++ b/libcpu/arm/lpc1100/context_rvds.S
@@ -0,0 +1,175 @@
+;/*
+; * File : context_rvds.S
+; * This file is part of RT-Thread RTOS
+; * COPYRIGHT (C) 2009, RT-Thread Development Team
+; *
+; * The license and distribution terms for this file may be
+; * found in the file LICENSE in this distribution or at
+; * http://www.rt-thread.org/license/LICENSE
+; *
+; * Change Logs:
+; * Date Author Notes
+; * 2010-01-25 Bernard first version
+; */
+
+;/**
+; * @addtogroup LPC1100
+; */
+;/*@{*/
+
+NVIC_INT_CTRL EQU 0xE000ED04 ; interrupt control state register
+NVIC_SYSPRI2 EQU 0xE000ED20 ; system priority register (2)
+NVIC_PENDSV_PRI EQU 0x00FF0000 ; PendSV priority value (lowest)
+NVIC_PENDSVSET EQU 0x10000000 ; value to trigger PendSV exception
+
+ AREA |.text|, CODE, READONLY, ALIGN=2
+ THUMB
+ REQUIRE8
+ PRESERVE8
+
+ IMPORT rt_thread_switch_interrput_flag
+ IMPORT rt_interrupt_from_thread
+ IMPORT rt_interrupt_to_thread
+
+;/*
+; * rt_base_t rt_hw_interrupt_disable();
+; */
+rt_hw_interrupt_disable PROC
+ EXPORT rt_hw_interrupt_disable
+ MRS r0, PRIMASK
+ CPSID I
+ BX LR
+ ENDP
+
+;/*
+; * void rt_hw_interrupt_enable(rt_base_t level);
+; */
+rt_hw_interrupt_enable PROC
+ EXPORT rt_hw_interrupt_enable
+ MSR PRIMASK, r0
+ BX LR
+ ENDP
+
+;/*
+; * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to);
+; * r0 --> from
+; * r1 --> to
+; */
+rt_hw_context_switch_interrupt
+ EXPORT rt_hw_context_switch_interrupt
+rt_hw_context_switch PROC
+ EXPORT rt_hw_context_switch
+
+ ; set rt_thread_switch_interrput_flag to 1
+ LDR r2, =rt_thread_switch_interrput_flag
+ LDR r3, [r2]
+ CMP r3, #1
+ BEQ _reswitch
+ MOVS r3, #0x1
+ STR r3, [r2]
+
+ LDR r2, =rt_interrupt_from_thread ; set rt_interrupt_from_thread
+ STR r0, [r2]
+
+_reswitch
+ LDR r2, =rt_interrupt_to_thread ; set rt_interrupt_to_thread
+ STR r1, [r2]
+
+ LDR r0, =NVIC_INT_CTRL ; trigger the PendSV exception (causes context switch)
+ LDR r1, =NVIC_PENDSVSET
+ STR r1, [r0]
+ BX LR
+ ENDP
+
+; r0 --> swith from thread stack
+; r1 --> swith to thread stack
+; psr, pc, lr, r12, r3, r2, r1, r0 are pushed into [from] stack
+rt_hw_pend_sv PROC
+ EXPORT rt_hw_pend_sv
+
+ ; disable interrupt to protect context switch
+ MRS r2, PRIMASK
+ CPSID I
+
+ ; get rt_thread_switch_interrupt_flag
+ LDR r0, =rt_thread_switch_interrput_flag
+ LDR r1, [r0]
+ CMP r1, #0x00
+ BEQ pendsv_exit ; pendsv already handled
+
+ ; clear rt_thread_switch_interrput_flag to 0
+ MOVS r1, #0x00
+ STR r1, [r0]
+
+ LDR r0, =rt_interrupt_from_thread
+ LDR r1, [r0]
+ CMP r1, #0x00
+ BEQ swtich_to_thread ; skip register save at the first time
+
+ MRS r1, psp ; get from thread stack pointer
+ STMIA r1!, {r4 - r7} ; push r4 - r7 register
+ LDR r0, [r0]
+ STR r1, [r0] ; update from thread stack pointer
+
+swtich_to_thread
+ LDR r1, =rt_interrupt_to_thread
+ LDR r1, [r1]
+ LDR r1, [r1] ; load thread stack pointer
+
+ LDMIA r1!, {r4 - r7} ; pop r4 - r7 register
+ MSR psp, r1 ; update stack pointer
+
+pendsv_exit
+ ; restore interrupt
+ MSR PRIMASK, r2
+
+ MOV r0, lr
+ MOVS r1, #0x04
+ ORRS r0, r0, r1
+ BX r0
+ ENDP
+
+;/*
+; * void rt_hw_context_switch_to(rt_uint32 to);
+; * r0 --> to
+; * this fucntion is used to perform the first thread switch
+; */
+rt_hw_context_switch_to PROC
+ EXPORT rt_hw_context_switch_to
+ ; set to thread
+ LDR r1, =rt_interrupt_to_thread
+ STR r0, [r1]
+
+ ; set from thread to 0
+ LDR r1, =rt_interrupt_from_thread
+ MOVS r0, #0x0
+ STR r0, [r1]
+
+ ; set interrupt flag to 1
+ LDR r1, =rt_thread_switch_interrput_flag
+ MOVS r0, #1
+ STR r0, [r1]
+
+ ; set the PendSV exception priority
+ ; LDR r0, =NVIC_SYSPRI2
+ ; LDR r1, =NVIC_PENDSV_PRI
+ ; STR r1, [r0]
+
+ ; trigger the PendSV exception (causes context switch)
+ LDR r0, =NVIC_INT_CTRL
+ LDR r1, =NVIC_PENDSVSET
+ STR r1, [r0]
+
+ ; enable interrupts at processor level
+ CPSIE I
+
+ ; never reach here!
+ ENDP
+
+; compatible with old version
+rt_hw_interrupt_thread_switch PROC
+ EXPORT rt_hw_interrupt_thread_switch
+ BX lr
+ ENDP
+
+ END
diff --git a/libcpu/arm/lpc1100/cpu.c b/libcpu/arm/lpc1100/cpu.c
new file mode 100644
index 0000000000..7efd166a3f
--- /dev/null
+++ b/libcpu/arm/lpc1100/cpu.c
@@ -0,0 +1,42 @@
+/*
+ * File : cpu.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2010-01-25 Bernard first version
+ */
+
+#include <rtthread.h>
+
+/**
+ * @addtogroup LPC1100
+ */
+/*@{*/
+
+/**
+ * reset cpu by dog's time-out
+ *
+ */
+void rt_hw_cpu_reset()
+{
+ /*NOTREACHED*/
+}
+
+/**
+ * shutdown CPU
+ *
+ */
+void rt_hw_cpu_shutdown()
+{
+ rt_kprintf("shutdown...\n");
+
+ RT_ASSERT(0);
+}
+
+/*@}*/
diff --git a/libcpu/arm/lpc1100/fault.c b/libcpu/arm/lpc1100/fault.c
new file mode 100644
index 0000000000..5b8dc6b62f
--- /dev/null
+++ b/libcpu/arm/lpc1100/fault.c
@@ -0,0 +1,47 @@
+/*
+ * File : fault.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2010-01-25 Bernard first version
+ */
+#include <rtthread.h>
+
+struct stack_contex
+{
+ rt_uint32_t r0;
+ rt_uint32_t r1;
+ rt_uint32_t r2;
+ rt_uint32_t r3;
+ rt_uint32_t r12;
+ rt_uint32_t lr;
+ rt_uint32_t pc;
+ rt_uint32_t psr;
+};
+
+extern void rt_hw_interrupt_thread_switch(void);
+extern void list_thread(void);
+extern rt_thread_t rt_current_thread;
+void rt_hw_hard_fault_exception(struct stack_contex* contex)
+{
+ rt_kprintf("psr: 0x%08x\n", contex->psr);
+ rt_kprintf(" pc: 0x%08x\n", contex->pc);
+ rt_kprintf(" lr: 0x%08x\n", contex->lr);
+ rt_kprintf("r12: 0x%08x\n", contex->r12);
+ rt_kprintf("r03: 0x%08x\n", contex->r3);
+ rt_kprintf("r02: 0x%08x\n", contex->r2);
+ rt_kprintf("r01: 0x%08x\n", contex->r1);
+ rt_kprintf("r00: 0x%08x\n", contex->r0);
+
+ rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);
+#ifdef RT_USING_FINSH
+ list_thread();
+#endif
+ while (1);
+}
diff --git a/libcpu/arm/lpc1100/fault_rvds.S b/libcpu/arm/lpc1100/fault_rvds.S
new file mode 100644
index 0000000000..4029306400
--- /dev/null
+++ b/libcpu/arm/lpc1100/fault_rvds.S
@@ -0,0 +1,32 @@
+;/*
+; * File : fault_rvds.S
+; * This file is part of RT-Thread RTOS
+; * COPYRIGHT (C) 2006, RT-Thread Development Team
+; *
+; * The license and distribution terms for this file may be
+; * found in the file LICENSE in this distribution or at
+; * http://www.rt-thread.org/license/LICENSE
+; *
+; * Change Logs:
+; * Date Author Notes
+; * 2010-01-25 Bernard first version
+; */
+
+ AREA |.text|, CODE, READONLY, ALIGN=2
+ THUMB
+ REQUIRE8
+ PRESERVE8
+
+ IMPORT rt_hw_hard_fault_exception
+
+rt_hw_hard_fault PROC
+ EXPORT rt_hw_hard_fault
+
+ ; get current context
+ MRS r0, psp ; get fault thread stack pointer
+ PUSH {lr}
+ BL rt_hw_hard_fault_exception
+ POP {pc}
+ ENDP
+
+ END
diff --git a/libcpu/arm/lpc1100/interrupt.c b/libcpu/arm/lpc1100/interrupt.c
new file mode 100644
index 0000000000..a1a3eb2441
--- /dev/null
+++ b/libcpu/arm/lpc1100/interrupt.c
@@ -0,0 +1,21 @@
+/*
+ * File : interrupt.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2010-01-25 Bernard first version
+ */
+
+#include <rtthread.h>
+
+/* exception and interrupt handler table */
+rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
+rt_uint8_t rt_thread_switch_interrput_flag;
+
+/*@}*/
diff --git a/libcpu/arm/lpc1100/stack.c b/libcpu/arm/lpc1100/stack.c
new file mode 100644
index 0000000000..6bfa26b08a
--- /dev/null
+++ b/libcpu/arm/lpc1100/stack.c
@@ -0,0 +1,54 @@
+/*
+ * File : stack.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2010-01-25 Bernard first version
+ */
+#include <rtthread.h>
+
+/**
+ * @addtogroup LPC1100
+ */
+/*@{*/
+
+/**
+ * This function will initialize thread stack
+ *
+ * @param tentry the entry of thread
+ * @param parameter the parameter of entry
+ * @param stack_addr the beginning stack address
+ * @param texit the function will be called when thread exit
+ *
+ * @return stack address
+ */
+rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
+ rt_uint8_t *stack_addr, void *texit)
+{
+ unsigned long *stk;
+
+ stk = (unsigned long *)stack_addr;
+ *(stk) = 0x01000000L; /* PSR */
+ *(--stk) = (unsigned long)tentry; /* entry point, pc */
+ *(--stk) = (unsigned long)texit; /* lr */
+ *(--stk) = 0; /* r12 */
+ *(--stk) = 0; /* r3 */
+ *(--stk) = 0; /* r2 */
+ *(--stk) = 0; /* r1 */
+ *(--stk) = (unsigned long)parameter; /* r0 : argument */
+ *(--stk) = 0; /* r7 */
+ *(--stk) = 0; /* r6 */
+ *(--stk) = 0; /* r5 */
+ *(--stk) = 0; /* r4 */
+
+ /* return task's current stack address */
+ return (rt_uint8_t *)stk;
+}
+
+/*@}*/
diff --git a/libcpu/arm/lpc1100/start_rvds.s b/libcpu/arm/lpc1100/start_rvds.s
new file mode 100644
index 0000000000..c0f4ef6bc2
--- /dev/null
+++ b/libcpu/arm/lpc1100/start_rvds.s
@@ -0,0 +1,252 @@
+;/*****************************************************************************
+; * @file: startup_LPC11xx.s
+; * @purpose: CMSIS Cortex-M0 Core Device Startup File
+; * for the NXP LPC11xx Device Series
+; * @version: V1.0
+; * @date: 25. Nov. 2008
+; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
+; *
+; * Copyright (C) 2008 ARM Limited. All rights reserved.
+; * ARM Limited (ARM) is supplying this software for use with Cortex-M0
+; * processor based microcontrollers. This file can be freely distributed
+; * within development tools that are supporting such ARM based processors.
+; *
+; * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+; *
+; *****************************************************************************/
+
+
+; <h> Stack Configuration
+; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
+; </h>
+
+Stack_Size EQU 0x00000100
+
+ AREA STACK, NOINIT, READWRITE, ALIGN=3
+Stack_Mem SPACE Stack_Size
+__initial_sp
+
+
+; <h> Heap Configuration
+; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
+; </h>
+
+Heap_Size EQU 0x00000000
+
+ AREA HEAP, NOINIT, READWRITE, ALIGN=3
+__heap_base
+Heap_Mem SPACE Heap_Size
+__heap_limit
+
+
+ PRESERVE8
+ THUMB
+
+ IMPORT rt_hw_hard_fault
+ IMPORT rt_hw_pend_sv
+ IMPORT rt_hw_timer_handler
+
+; Vector Table Mapped to Address 0 at Reset
+
+ AREA RESET, DATA, READONLY
+ EXPORT __Vectors
+
+__Vectors DCD __initial_sp ; Top of Stack
+ DCD Reset_Handler ; Reset Handler
+ DCD NMI_Handler ; NMI Handler
+ DCD rt_hw_hard_fault ; Hard Fault Handler
+ DCD MemManage_Handler ; MPU Fault Handler
+ DCD BusFault_Handler ; Bus Fault Handler
+ DCD UsageFault_Handler ; Usage Fault Handler
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD 0 ; Reserved
+ DCD SVC_Handler ; SVCall Handler
+ DCD DebugMon_Handler ; Debug Monitor Handler
+ DCD 0 ; Reserved
+ DCD rt_hw_pend_sv ; PendSV Handler
+ DCD rt_hw_timer_handler ; SysTick Handler
+
+ ; External Interrupts
+ DCD WAKEUP_IRQHandler ; 15 wakeup sources for all the
+ DCD WAKEUP_IRQHandler ; I/O pins starting from PIO0 (0:11)
+ DCD WAKEUP_IRQHandler ; all 40 are routed to the same ISR
+ DCD WAKEUP_IRQHandler
+ DCD WAKEUP_IRQHandler
+ DCD WAKEUP_IRQHandler
+ DCD WAKEUP_IRQHandler
+ DCD WAKEUP_IRQHandler
+ DCD WAKEUP_IRQHandler
+ DCD WAKEUP_IRQHandler
+ DCD WAKEUP_IRQHandler
+ DCD WAKEUP_IRQHandler
+ DCD WAKEUP_IRQHandler ; PIO1 (0:11)
+ DCD CAN_IRQHandler ; CAN
+ DCD SSP1_IRQHandler ; SSP1
+ DCD I2C_IRQHandler ; I2C
+ DCD TIMER16_0_IRQHandler ; 16-bit Timer0
+ DCD TIMER16_1_IRQHandler ; 16-bit Timer1
+ DCD TIMER32_0_IRQHandler ; 32-bit Timer0
+ DCD TIMER32_1_IRQHandler ; 32-bit Timer1
+ DCD SSP0_IRQHandler ; SSP0
+ DCD UART_IRQHandler ; UART
+ DCD USB_IRQHandler ; USB IRQ
+ DCD USB_FIQHandler ; USB FIQ
+ DCD ADC_IRQHandler ; A/D Converter
+ DCD WDT_IRQHandler ; Watchdog timer
+ DCD BOD_IRQHandler ; Brown Out Detect
+ DCD FMC_IRQHandler ; IP2111 Flash Memory Controller
+ DCD PIOINT3_IRQHandler ; PIO INT3
+ DCD PIOINT2_IRQHandler ; PIO INT2
+ DCD PIOINT1_IRQHandler ; PIO INT1
+ DCD PIOINT0_IRQHandler ; PIO INT0
+
+
+ IF :LNOT::DEF:NO_CRP
+ AREA |.ARM.__at_0x02FC|, CODE, READONLY
+CRP_Key DCD 0xFFFFFFFF
+ ENDIF
+
+
+ AREA |.text|, CODE, READONLY
+
+
+; Reset Handler
+
+Reset_Handler PROC
+ EXPORT Reset_Handler [WEAK]
+ IMPORT __main
+ LDR R0, =__main
+ BX R0
+ ENDP
+
+
+; Dummy Exception Handlers (infinite loops which can be modified)
+
+NMI_Handler PROC
+ EXPORT NMI_Handler [WEAK]
+ B .
+ ENDP
+HardFault_Handler\
+ PROC
+ EXPORT HardFault_Handler [WEAK]
+ B .
+ ENDP
+MemManage_Handler\
+ PROC
+ EXPORT MemManage_Handler [WEAK]
+ B .
+ ENDP
+BusFault_Handler\
+ PROC
+ EXPORT BusFault_Handler [WEAK]
+ B .
+ ENDP
+UsageFault_Handler\
+ PROC
+ EXPORT UsageFault_Handler [WEAK]
+ B .
+ ENDP
+SVC_Handler PROC
+ EXPORT SVC_Handler [WEAK]
+ B .
+ ENDP
+DebugMon_Handler\
+ PROC
+ EXPORT DebugMon_Handler [WEAK]
+ B .
+ ENDP
+PendSV_Handler PROC
+ EXPORT PendSV_Handler [WEAK]
+ B .
+ ENDP
+SysTick_Handler PROC
+ EXPORT SysTick_Handler [WEAK]
+ B .
+ ENDP
+
+Default_Handler PROC
+
+ EXPORT WAKEUP_IRQHandler [WEAK]
+ EXPORT CAN_IRQHandler [WEAK]
+ EXPORT SSP1_IRQHandler [WEAK]
+ EXPORT I2C_IRQHandler [WEAK]
+ EXPORT TIMER16_0_IRQHandler [WEAK]
+ EXPORT TIMER16_1_IRQHandler [WEAK]
+ EXPORT TIMER32_0_IRQHandler [WEAK]
+ EXPORT TIMER32_1_IRQHandler [WEAK]
+ EXPORT SSP0_IRQHandler [WEAK]
+ EXPORT UART_IRQHandler [WEAK]
+
+ EXPORT USB_IRQHandler [WEAK]
+ EXPORT USB_FIQHandler [WEAK]
+ EXPORT ADC_IRQHandler [WEAK]
+ EXPORT WDT_IRQHandler [WEAK]
+ EXPORT BOD_IRQHandler [WEAK]
+ EXPORT FMC_IRQHandler [WEAK]
+ EXPORT PIOINT3_IRQHandler [WEAK]
+ EXPORT PIOINT2_IRQHandler [WEAK]
+ EXPORT PIOINT1_IRQHandler [WEAK]
+ EXPORT PIOINT0_IRQHandler [WEAK]
+
+
+WAKEUP_IRQHandler
+CAN_IRQHandler
+SSP1_IRQHandler
+I2C_IRQHandler
+TIMER16_0_IRQHandler
+TIMER16_1_IRQHandler
+TIMER32_0_IRQHandler
+TIMER32_1_IRQHandler
+SSP0_IRQHandler
+UART_IRQHandler
+USB_IRQHandler
+USB_FIQHandler
+ADC_IRQHandler
+WDT_IRQHandler
+BOD_IRQHandler
+FMC_IRQHandler
+PIOINT3_IRQHandler
+PIOINT2_IRQHandler
+PIOINT1_IRQHandler
+PIOINT0_IRQHandler
+
+ B .
+
+ ENDP
+
+
+ ALIGN
+
+
+; User Initial Stack & Heap
+
+ IF :DEF:__MICROLIB
+
+ EXPORT __initial_sp
+ EXPORT __heap_base
+ EXPORT __heap_limit
+
+ ELSE
+
+ IMPORT __use_two_region_memory
+ EXPORT __user_initial_stackheap
+__user_initial_stackheap
+
+ LDR R0, = Heap_Mem
+ LDR R1, =(Stack_Mem + Stack_Size)
+ LDR R2, = (Heap_Mem + Heap_Size)
+ LDR R3, = Stack_Mem
+ BX LR
+
+ ALIGN
+
+ ENDIF
+
+
+ END
generated by cgit v1.3.1 (git 2.54.0) at 2026-10-27 01:56:24 +0000