diff options
| author | hathach <[email protected]> | 2021-03-01 00:39:48 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2021-03-01 00:39:48 +0700 |
| commit | 2e42858537c06d660bf975e5363173da0c843c9d (patch) | |
| tree | d76faa1eadf4742c9ebfbdb8bf72d4014c5c150e /hw/bsp/double_m33_express | |
| parent | c61464ebaaebaf7571e07e7e59d2645967d8d7c2 (diff) | |
move lpc55 into its own family
Diffstat (limited to 'hw/bsp/double_m33_express')
| -rw-r--r-- | hw/bsp/double_m33_express/LPC55S69_cm33_core0_uf2.ld | 234 | ||||
| -rw-r--r-- | hw/bsp/double_m33_express/board.mk | 55 | ||||
| -rw-r--r-- | hw/bsp/double_m33_express/double_m33_express.c | 275 |
3 files changed, 0 insertions, 564 deletions
diff --git a/hw/bsp/double_m33_express/LPC55S69_cm33_core0_uf2.ld b/hw/bsp/double_m33_express/LPC55S69_cm33_core0_uf2.ld deleted file mode 100644 index 6b5d852aa..000000000 --- a/hw/bsp/double_m33_express/LPC55S69_cm33_core0_uf2.ld +++ /dev/null @@ -1,234 +0,0 @@ -/* -** ################################################################### -** Processors: LPC55S69JBD100_cm33_core0 -** LPC55S69JBD64_cm33_core0 -** LPC55S69JEV98_cm33_core0 -** -** Compiler: GNU C Compiler -** Reference manual: LPC55S6x/LPC55S2x/LPC552x User manual(UM11126) Rev.1.3 16 May 2019 -** Version: rev. 1.1, 2019-05-16 -** Build: b191008 -** -** Abstract: -** Linker file for the GNU C Compiler -** -** Copyright 2016 Freescale Semiconductor, Inc. -** Copyright 2016-2019 NXP -** All rights reserved. -** -** SPDX-License-Identifier: BSD-3-Clause -** -** http: www.nxp.com -** mail: [email protected] -** -** ################################################################### -*/ - - - -/* Entry Point */ -ENTRY(Reset_Handler) - -HEAP_SIZE = DEFINED(__heap_size__) ? __heap_size__ : 0x0400; -STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0800; -RPMSG_SHMEM_SIZE = DEFINED(__use_shmem__) ? 0x1800 : 0; - -/* Specify the memory areas */ -MEMORY -{ - m_interrupts (RX) : ORIGIN = 0x00010000, LENGTH = 0x00000200 - m_text (RX) : ORIGIN = 0x00010200, LENGTH = 0x0007FE00 - m_core1_image (RX) : ORIGIN = 0x00090000, LENGTH = 0x00008000 - m_data (RW) : ORIGIN = 0x20000000, LENGTH = 0x00033000 - RPMSG_SHMEM_SIZE - rpmsg_sh_mem (RW) : ORIGIN = 0x20033000 - RPMSG_SHMEM_SIZE, LENGTH = RPMSG_SHMEM_SIZE - m_usb_sram (RW) : ORIGIN = 0x40100000, LENGTH = 0x00004000 -} - -/* Define output sections */ -SECTIONS -{ - /* section for storing the secondary core image */ - .m0code : - { - . = ALIGN(4) ; - KEEP (*(.m0code)) - *(.m0code*) - . = ALIGN(4) ; - } > m_core1_image - - /* NOINIT section for rpmsg_sh_mem */ - .noinit_rpmsg_sh_mem (NOLOAD) : ALIGN(4) - { - __RPMSG_SH_MEM_START__ = .; - *(.noinit.$rpmsg_sh_mem*) - . = ALIGN(4) ; - __RPMSG_SH_MEM_END__ = .; - } > rpmsg_sh_mem - - /* The startup code goes first into internal flash */ - .interrupts : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - . = ALIGN(4); - } > m_interrupts - - /* The program code and other data goes into internal flash */ - .text : - { - . = ALIGN(4); - *(.text) /* .text sections (code) */ - *(.text*) /* .text* sections (code) */ - *(.rodata) /* .rodata sections (constants, strings, etc.) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - *(.glue_7) /* glue arm to thumb code */ - *(.glue_7t) /* glue thumb to arm code */ - *(.eh_frame) - KEEP (*(.init)) - KEEP (*(.fini)) - . = ALIGN(4); - } > m_text - - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } > m_text - - .ARM : - { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } > m_text - - .ctors : - { - __CTOR_LIST__ = .; - /* gcc uses crtbegin.o to find the start of - the constructors, so we make sure it is - first. Because this is a wildcard, it - doesn't matter if the user does not - actually link against crtbegin.o; the - linker won't look for a file to match a - wildcard. The wildcard also means that it - doesn't matter which directory crtbegin.o - is in. */ - KEEP (*crtbegin.o(.ctors)) - KEEP (*crtbegin?.o(.ctors)) - /* We don't want to include the .ctor section from - from the crtend.o file until after the sorted ctors. - The .ctor section from the crtend file contains the - end of ctors marker and it must be last */ - KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - __CTOR_END__ = .; - } > m_text - - .dtors : - { - __DTOR_LIST__ = .; - KEEP (*crtbegin.o(.dtors)) - KEEP (*crtbegin?.o(.dtors)) - KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) - __DTOR_END__ = .; - } > m_text - - .preinit_array : - { - PROVIDE_HIDDEN (__preinit_array_start = .); - KEEP (*(.preinit_array*)) - PROVIDE_HIDDEN (__preinit_array_end = .); - } > m_text - - .init_array : - { - PROVIDE_HIDDEN (__init_array_start = .); - KEEP (*(SORT(.init_array.*))) - KEEP (*(.init_array*)) - PROVIDE_HIDDEN (__init_array_end = .); - } > m_text - - .fini_array : - { - PROVIDE_HIDDEN (__fini_array_start = .); - KEEP (*(SORT(.fini_array.*))) - KEEP (*(.fini_array*)) - PROVIDE_HIDDEN (__fini_array_end = .); - } > m_text - - __etext = .; /* define a global symbol at end of code */ - __DATA_ROM = .; /* Symbol is used by startup for data initialization */ - - .data : AT(__DATA_ROM) - { - . = ALIGN(4); - __DATA_RAM = .; - __data_start__ = .; /* create a global symbol at data start */ - *(.ramfunc*) /* for functions in ram */ - *(.data) /* .data sections */ - *(.data*) /* .data* sections */ - KEEP(*(.jcr*)) - . = ALIGN(4); - __data_end__ = .; /* define a global symbol at data end */ - } > m_data - - __DATA_END = __DATA_ROM + (__data_end__ - __data_start__); - text_end = ORIGIN(m_text) + LENGTH(m_text); - ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data") - - /* Uninitialized data section */ - .bss : - { - /* This is used by the startup in order to initialize the .bss section */ - . = ALIGN(4); - __START_BSS = .; - __bss_start__ = .; - *(.bss) - *(.bss*) - *(COMMON) - . = ALIGN(4); - __bss_end__ = .; - __END_BSS = .; - } > m_data - - .heap : - { - . = ALIGN(8); - __end__ = .; - PROVIDE(end = .); - __HeapBase = .; - . += HEAP_SIZE; - __HeapLimit = .; - __heap_limit = .; /* Add for _sbrk */ - } > m_data - - .stack : - { - . = ALIGN(8); - . += STACK_SIZE; - } > m_data - - m_usb_bdt (NOLOAD) : - { - . = ALIGN(512); - *(m_usb_bdt) - } > m_usb_sram - - m_usb_global (NOLOAD) : - { - *(m_usb_global) - } > m_usb_sram - - /* Initializes stack on the end of block */ - __StackTop = ORIGIN(m_data) + LENGTH(m_data); - __StackLimit = __StackTop - STACK_SIZE; - PROVIDE(__stack = __StackTop); - - .ARM.attributes 0 : { *(.ARM.attributes) } - - ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap") -} - diff --git a/hw/bsp/double_m33_express/board.mk b/hw/bsp/double_m33_express/board.mk deleted file mode 100644 index 5757aa5cd..000000000 --- a/hw/bsp/double_m33_express/board.mk +++ /dev/null @@ -1,55 +0,0 @@ -CFLAGS += \ - -flto \ - -mthumb \ - -mabi=aapcs \ - -mcpu=cortex-m33 \ - -mfloat-abi=hard \ - -mfpu=fpv5-sp-d16 \ - -DCPU_LPC55S69JBD100_cm33_core0 \ - -DCFG_TUSB_MCU=OPT_MCU_LPC55XX \ - -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data")))' \ - -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))' - -# mcu driver cause following warnings -CFLAGS += -Wno-error=unused-parameter -Wno-error=float-equal - -MCU_DIR = hw/mcu/nxp/sdk/devices/LPC55S69 - -# All source paths should be relative to the top level. -LD_FILE = hw/bsp/$(BOARD)/LPC55S69_cm33_core0_uf2.ld - -SRC_C += \ - $(MCU_DIR)/system_LPC55S69_cm33_core0.c \ - $(MCU_DIR)/drivers/fsl_clock.c \ - $(MCU_DIR)/drivers/fsl_gpio.c \ - $(MCU_DIR)/drivers/fsl_power.c \ - $(MCU_DIR)/drivers/fsl_reset.c \ - $(MCU_DIR)/drivers/fsl_usart.c \ - $(MCU_DIR)/drivers/fsl_flexcomm.c \ - lib/sct_neopixel/sct_neopixel.c - -INC += \ - $(TOP)/hw/bsp/ \ - $(TOP)/hw/bsp/$(BOARD) \ - $(TOP)/lib/sct_neopixel \ - $(TOP)/$(MCU_DIR)/../../CMSIS/Include \ - $(TOP)/$(MCU_DIR) \ - $(TOP)/$(MCU_DIR)/drivers - -SRC_S += $(MCU_DIR)/gcc/startup_LPC55S69_cm33_core0.S - -LIBS += $(TOP)/$(MCU_DIR)/gcc/libpower_hardabi.a - -# For TinyUSB port source -VENDOR = nxp -CHIP_FAMILY = lpc_ip3511 - -# For freeRTOS port source -FREERTOS_PORT = ARM_CM33_NTZ/non_secure - -# For flash-jlink target -JLINK_DEVICE = LPC55S69 - -# flash using pyocd -flash: $(BUILD)/$(PROJECT).hex - pyocd flash -t LPC55S69 $< diff --git a/hw/bsp/double_m33_express/double_m33_express.c b/hw/bsp/double_m33_express/double_m33_express.c deleted file mode 100644 index 655f23cc0..000000000 --- a/hw/bsp/double_m33_express/double_m33_express.c +++ /dev/null @@ -1,275 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2018, hathach (tinyusb.org) - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * - * This file is part of the TinyUSB stack. - */ - -#include "../board.h" -#include "fsl_device_registers.h" -#include "fsl_gpio.h" -#include "fsl_power.h" -#include "fsl_iocon.h" -#include "fsl_usart.h" -#include "fsl_sctimer.h" -#include "sct_neopixel.h" - -//--------------------------------------------------------------------+ -// Forward USB interrupt events to TinyUSB IRQ Handler -//--------------------------------------------------------------------+ -void USB0_IRQHandler(void) -{ - tud_int_handler(0); -} - -void USB1_IRQHandler(void) -{ - tud_int_handler(1); -} - -//--------------------------------------------------------------------+ -// MACRO TYPEDEF CONSTANT ENUM -//--------------------------------------------------------------------+ -#define LED_PORT 0 -#define LED_PIN 1 -#define LED_STATE_ON 1 - -// WAKE button -#define BUTTON_PORT 0 -#define BUTTON_PIN 5 -#define BUTTON_STATE_ACTIVE 0 - -// Number of neopixels -#define NEOPIXEL_NUMBER 2 -#define NEOPIXEL_PORT 0 -#define NEOPIXEL_PIN 27 -#define NEOPIXEL_CH 6 -#define NEOPIXEL_TYPE 0 - -// UART -#define UART_DEV USART0 - -// IOCON pin mux -#define IOCON_PIO_DIGITAL_EN 0x0100u /*!<@brief Enables digital function */ -#define IOCON_PIO_FUNC0 0x00u /*!<@brief Selects pin function 0 */ -#define IOCON_PIO_FUNC1 0x01u /*!<@brief Selects pin function 1 */ -#define IOCON_PIO_FUNC4 0x04u /*!<@brief Selects pin function 4 */ -#define IOCON_PIO_FUNC7 0x07u /*!<@brief Selects pin function 7 */ -#define IOCON_PIO_INV_DI 0x00u /*!<@brief Input function is not inverted */ -#define IOCON_PIO_MODE_INACT 0x00u /*!<@brief No addition pin function */ -#define IOCON_PIO_OPENDRAIN_DI 0x00u /*!<@brief Open drain is disabled */ -#define IOCON_PIO_SLEW_STANDARD 0x00u /*!<@brief Standard mode, output slew rate control is enabled */ - -#define IOCON_PIO_DIG_FUNC0_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC0) /*!<@brief Digital pin function 0 enabled */ -#define IOCON_PIO_DIG_FUNC1_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC1) /*!<@brief Digital pin function 1 enabled */ -#define IOCON_PIO_DIG_FUNC4_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC4) /*!<@brief Digital pin function 2 enabled */ -#define IOCON_PIO_DIG_FUNC7_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC7) /*!<@brief Digital pin function 2 enabled */ - - -// Global Variables -uint32_t pixelData[NEOPIXEL_NUMBER]; - -/**************************************************************** -name: BOARD_BootClockFROHF96M -outputs: -- {id: SYSTICK_clock.outFreq, value: 96 MHz} -- {id: System_clock.outFreq, value: 96 MHz} -settings: -- {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf} -sources: -- {id: SYSCON.fro_hf.outFreq, value: 96 MHz} -******************************************************************/ -void BootClockFROHF96M(void) -{ - /*!< Set up the clock sources */ - /*!< Set up FRO */ - POWER_DisablePD(kPDRUNCFG_PD_FRO192M); /*!< Ensure FRO is on */ - CLOCK_SetupFROClocking(12000000U); /*!< Set up FRO to the 12 MHz, just for sure */ - CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without - accidentally being below the voltage for current speed */ - - CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */ - - POWER_SetVoltageForFreq(96000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */ - CLOCK_SetFLASHAccessCyclesForFreq(96000000U); /*!< Set FLASH wait states for core */ - - /*!< Set up dividers */ - CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */ - - /*!< Set up clock selectors - Attach clocks to the peripheries */ - CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */ - - /*!< Set SystemCoreClock variable. */ - SystemCoreClock = 96000000U; -} - -void board_init(void) -{ - // Enable IOCON clock - CLOCK_EnableClock(kCLOCK_Iocon); - - // Init 96 MHz clock - BootClockFROHF96M(); - -#if CFG_TUSB_OS == OPT_OS_NONE - // 1ms tick timer - SysTick_Config(SystemCoreClock / 1000); -#elif CFG_TUSB_OS == OPT_OS_FREERTOS - // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher ) - NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY ); -#endif - - GPIO_PortInit(GPIO, 0); - GPIO_PortInit(GPIO, 1); - - // LED - /* PORT0 PIN1 configured as PIO0_1 */ - IOCON_PinMuxSet(IOCON, 0U, 1U, IOCON_PIO_DIG_FUNC0_EN); - - gpio_pin_config_t const led_config = { kGPIO_DigitalOutput, 1}; - GPIO_PinInit(GPIO, LED_PORT, LED_PIN, &led_config); - - // Neopixel - /* PORT0 PIN27 configured as SCT0_OUT6 */ - IOCON_PinMuxSet(IOCON, NEOPIXEL_PORT, NEOPIXEL_PIN, IOCON_PIO_DIG_FUNC4_EN); - - sctpix_init(NEOPIXEL_TYPE); - sctpix_addCh(NEOPIXEL_CH, pixelData, NEOPIXEL_NUMBER); - sctpix_setPixel(NEOPIXEL_CH, 0, 0x100010); - sctpix_setPixel(NEOPIXEL_CH, 1, 0x100010); - sctpix_show(); - - - // Button - /* PORT0 PIN5 configured as PIO0_5 */ - IOCON_PinMuxSet(IOCON, BUTTON_PORT, BUTTON_PIN, IOCON_PIO_DIG_FUNC0_EN); - - gpio_pin_config_t const button_config = { kGPIO_DigitalInput, 0}; - GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config); - - // UART - /* PORT0 PIN29 (coords: 92) is configured as FC0_RXD_SDA_MOSI_DATA */ - IOCON_PinMuxSet(IOCON, 0U, 29U, IOCON_PIO_DIG_FUNC1_EN); - /* PORT0 PIN30 (coords: 94) is configured as FC0_TXD_SCL_MISO_WS */ - IOCON_PinMuxSet(IOCON, 0U, 30U, IOCON_PIO_DIG_FUNC1_EN); - -#if defined(UART_DEV) && CFG_TUSB_DEBUG - // Enable UART when debug log is on - CLOCK_AttachClk(kFRO12M_to_FLEXCOMM0); - usart_config_t uart_config; - USART_GetDefaultConfig(&uart_config); - uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE; - uart_config.enableTx = true; - uart_config.enableRx = true; - USART_Init(UART_DEV, &uart_config, 12000000); -#endif - - // USB VBUS - /* PORT0 PIN22 configured as USB0_VBUS */ - IOCON_PinMuxSet(IOCON, 0U, 22U, IOCON_PIO_DIG_FUNC7_EN); - - // USB Controller - POWER_DisablePD(kPDRUNCFG_PD_USB0_PHY); /*Turn on USB0 Phy */ - POWER_DisablePD(kPDRUNCFG_PD_USB1_PHY); /*< Turn on USB1 Phy */ - - /* reset the IP to make sure it's in reset state. */ - RESET_PeripheralReset(kUSB0D_RST_SHIFT_RSTn); - RESET_PeripheralReset(kUSB0HSL_RST_SHIFT_RSTn); - RESET_PeripheralReset(kUSB0HMR_RST_SHIFT_RSTn); - RESET_PeripheralReset(kUSB1H_RST_SHIFT_RSTn); - RESET_PeripheralReset(kUSB1D_RST_SHIFT_RSTn); - RESET_PeripheralReset(kUSB1_RST_SHIFT_RSTn); - RESET_PeripheralReset(kUSB1RAM_RST_SHIFT_RSTn); - -#if (defined CFG_TUSB_RHPORT1_MODE) && (CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE) - CLOCK_EnableClock(kCLOCK_Usbh1); - /* Put PHY powerdown under software control */ - USBHSH->PORTMODE = USBHSH_PORTMODE_SW_PDCOM_MASK; - /* According to reference mannual, device mode setting has to be set by access usb host register */ - USBHSH->PORTMODE |= USBHSH_PORTMODE_DEV_ENABLE_MASK; - /* enable usb1 host clock */ - CLOCK_DisableClock(kCLOCK_Usbh1); -#endif - -#if (defined CFG_TUSB_RHPORT0_MODE) && (CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE) - // Enable USB Clock Adjustments to trim the FRO for the full speed controller - ANACTRL->FRO192M_CTRL |= ANACTRL_FRO192M_CTRL_USBCLKADJ_MASK; - CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 1, false); - CLOCK_AttachClk(kFRO_HF_to_USB0_CLK); - /* enable usb0 host clock */ - CLOCK_EnableClock(kCLOCK_Usbhsl0); - /*According to reference mannual, device mode setting has to be set by access usb host register */ - USBFSH->PORTMODE |= USBFSH_PORTMODE_DEV_ENABLE_MASK; - /* disable usb0 host clock */ - CLOCK_DisableClock(kCLOCK_Usbhsl0); - CLOCK_EnableUsbfs0DeviceClock(kCLOCK_UsbfsSrcFro, CLOCK_GetFreq(kCLOCK_FroHf)); /* enable USB Device clock */ -#endif - -} - -//--------------------------------------------------------------------+ -// Board porting API -//--------------------------------------------------------------------+ - -void board_led_write(bool state) -{ - GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); - if (state) { - sctpix_setPixel(NEOPIXEL_CH, 0, 0x100000); - sctpix_setPixel(NEOPIXEL_CH, 1, 0x101010); - } else { - sctpix_setPixel(NEOPIXEL_CH, 0, 0x001000); - sctpix_setPixel(NEOPIXEL_CH, 1, 0x000010); - } - sctpix_show(); -} - -uint32_t board_button_read(void) -{ - // active low - return BUTTON_STATE_ACTIVE == GPIO_PinRead(GPIO, BUTTON_PORT, BUTTON_PIN); -} - -int board_uart_read(uint8_t* buf, int len) -{ - (void) buf; (void) len; - return 0; -} - -int board_uart_write(void const * buf, int len) -{ - (void) buf; (void) len; - return 0; -} - -#if CFG_TUSB_OS == OPT_OS_NONE -volatile uint32_t system_ticks = 0; -void SysTick_Handler(void) -{ - system_ticks++; -} - -uint32_t board_millis(void) -{ - return system_ticks; -} -#endif |
