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-rw-r--r--demos/bsp/boards/board.c300
1 files changed, 150 insertions, 150 deletions
diff --git a/demos/bsp/boards/board.c b/demos/bsp/boards/board.c
index e766bd206..aae65ca25 100644
--- a/demos/bsp/boards/board.c
+++ b/demos/bsp/boards/board.c
@@ -1,150 +1,150 @@
-/**************************************************************************/
-/*!
- @file board.c
- @author hathach (tinyusb.org)
-
- @section LICENSE
-
- Software License Agreement (BSD License)
-
- Copyright (c) 2013, hathach (tinyusb.org)
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- 3. Neither the name of the copyright holders nor the
- names of its contributors may be used to endorse or promote products
- derived from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#include "board.h"
-
-#if TUSB_CFG_OS == TUSB_OS_NONE // TODO may move to main.c
-volatile uint32_t system_ticks = 0;
-
-void SysTick_Handler (void)
-{
- system_ticks++;
- tusb_tick_tock(); // TODO temporarily
-}
-
-#endif
-
-void check_failed(uint8_t *file, uint32_t line)
-{
- (void) file;
- (void) line;
-}
-
-#if 0
-
-/**
- * HardFault_HandlerAsm:
- * Alternative Hard Fault handler to help debug the reason for a fault.
- * To use, edit the vector table to reference this function in the HardFault vector
- * This code is suitable for Cortex-M3 and Cortex-M0 cores
- */
-
-// Use the 'naked' attribute so that C stacking is not used.
-__attribute__((naked))
-void HardFault_HandlerAsm(void){
- /*
- * Get the appropriate stack pointer, depending on our mode,
- * and use it as the parameter to the C handler. This function
- * will never return
- */
-
- __asm( ".syntax unified\n"
- "MOVS R0, #4 \n"
- "MOV R1, LR \n"
- "TST R0, R1 \n"
- "BEQ _MSP \n"
- "MRS R0, PSP \n"
- "B HardFault_HandlerC \n"
- "_MSP: \n"
- "MRS R0, MSP \n"
- "B HardFault_HandlerC \n"
- ".syntax divided\n") ;
-}
-
-/**
- * HardFaultHandler_C:
- * This is called from the HardFault_HandlerAsm with a pointer the Fault stack
- * as the parameter. We can then read the values from the stack and place them
- * into local variables for ease of reading.
- * We then read the various Fault Status and Address Registers to help decode
- * cause of the fault.
- * The function ends with a BKPT instruction to force control back into the debugger
- */
-void HardFault_HandlerC(unsigned long *hardfault_args){
- ATTR_UNUSED volatile unsigned long stacked_r0 ;
- ATTR_UNUSED volatile unsigned long stacked_r1 ;
- ATTR_UNUSED volatile unsigned long stacked_r2 ;
- ATTR_UNUSED volatile unsigned long stacked_r3 ;
- ATTR_UNUSED volatile unsigned long stacked_r12 ;
- ATTR_UNUSED volatile unsigned long stacked_lr ;
- ATTR_UNUSED volatile unsigned long stacked_pc ;
- ATTR_UNUSED volatile unsigned long stacked_psr ;
- ATTR_UNUSED volatile unsigned long _CFSR ;
- ATTR_UNUSED volatile unsigned long _HFSR ;
- ATTR_UNUSED volatile unsigned long _DFSR ;
- ATTR_UNUSED volatile unsigned long _AFSR ;
- ATTR_UNUSED volatile unsigned long _BFAR ;
- ATTR_UNUSED volatile unsigned long _MMAR ;
-
- stacked_r0 = ((unsigned long)hardfault_args[0]) ;
- stacked_r1 = ((unsigned long)hardfault_args[1]) ;
- stacked_r2 = ((unsigned long)hardfault_args[2]) ;
- stacked_r3 = ((unsigned long)hardfault_args[3]) ;
- stacked_r12 = ((unsigned long)hardfault_args[4]) ;
- stacked_lr = ((unsigned long)hardfault_args[5]) ;
- stacked_pc = ((unsigned long)hardfault_args[6]) ;
- stacked_psr = ((unsigned long)hardfault_args[7]) ;
-
- // Configurable Fault Status Register
- // Consists of MMSR, BFSR and UFSR
- _CFSR = (*((volatile unsigned long *)(0xE000ED28))) ;
-
- // Hard Fault Status Register
- _HFSR = (*((volatile unsigned long *)(0xE000ED2C))) ;
-
- // Debug Fault Status Register
- _DFSR = (*((volatile unsigned long *)(0xE000ED30))) ;
-
- // Auxiliary Fault Status Register
- _AFSR = (*((volatile unsigned long *)(0xE000ED3C))) ;
-
- // Read the Fault Address Registers. These may not contain valid values.
- // Check BFARVALID/MMARVALID to see if they are valid values
- // MemManage Fault Address Register
- _MMAR = (*((volatile unsigned long *)(0xE000ED34))) ;
- // Bus Fault Address Register
- _BFAR = (*((volatile unsigned long *)(0xE000ED38))) ;
-
-// if ((CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk)==CoreDebug_DHCSR_C_DEBUGEN_Msk) /* if there is debugger connected */
-// {
-// __asm("BKPT #0\n");
-// }
-
- hal_debugger_breakpoint();
-}
-#endif
+/**************************************************************************/
+/*!
+ @file board.c
+ @author hathach (tinyusb.org)
+
+ @section LICENSE
+
+ Software License Agreement (BSD License)
+
+ Copyright (c) 2013, hathach (tinyusb.org)
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the copyright holders nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+ EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This file is part of the tinyusb stack.
+*/
+/**************************************************************************/
+
+#include "board.h"
+
+#if TUSB_CFG_OS == TUSB_OS_NONE // TODO may move to main.c
+volatile uint32_t system_ticks = 0;
+
+void SysTick_Handler (void)
+{
+ system_ticks++;
+ tusb_tick_tock(); // TODO temporarily
+}
+
+#endif
+
+void check_failed(uint8_t *file, uint32_t line)
+{
+ (void) file;
+ (void) line;
+}
+
+#if 0
+
+/**
+ * HardFault_HandlerAsm:
+ * Alternative Hard Fault handler to help debug the reason for a fault.
+ * To use, edit the vector table to reference this function in the HardFault vector
+ * This code is suitable for Cortex-M3 and Cortex-M0 cores
+ */
+
+// Use the 'naked' attribute so that C stacking is not used.
+__attribute__((naked))
+void HardFault_HandlerAsm(void){
+ /*
+ * Get the appropriate stack pointer, depending on our mode,
+ * and use it as the parameter to the C handler. This function
+ * will never return
+ */
+
+ __asm( ".syntax unified\n"
+ "MOVS R0, #4 \n"
+ "MOV R1, LR \n"
+ "TST R0, R1 \n"
+ "BEQ _MSP \n"
+ "MRS R0, PSP \n"
+ "B HardFault_HandlerC \n"
+ "_MSP: \n"
+ "MRS R0, MSP \n"
+ "B HardFault_HandlerC \n"
+ ".syntax divided\n") ;
+}
+
+/**
+ * HardFaultHandler_C:
+ * This is called from the HardFault_HandlerAsm with a pointer the Fault stack
+ * as the parameter. We can then read the values from the stack and place them
+ * into local variables for ease of reading.
+ * We then read the various Fault Status and Address Registers to help decode
+ * cause of the fault.
+ * The function ends with a BKPT instruction to force control back into the debugger
+ */
+void HardFault_HandlerC(unsigned long *hardfault_args){
+ ATTR_UNUSED volatile unsigned long stacked_r0 ;
+ ATTR_UNUSED volatile unsigned long stacked_r1 ;
+ ATTR_UNUSED volatile unsigned long stacked_r2 ;
+ ATTR_UNUSED volatile unsigned long stacked_r3 ;
+ ATTR_UNUSED volatile unsigned long stacked_r12 ;
+ ATTR_UNUSED volatile unsigned long stacked_lr ;
+ ATTR_UNUSED volatile unsigned long stacked_pc ;
+ ATTR_UNUSED volatile unsigned long stacked_psr ;
+ ATTR_UNUSED volatile unsigned long _CFSR ;
+ ATTR_UNUSED volatile unsigned long _HFSR ;
+ ATTR_UNUSED volatile unsigned long _DFSR ;
+ ATTR_UNUSED volatile unsigned long _AFSR ;
+ ATTR_UNUSED volatile unsigned long _BFAR ;
+ ATTR_UNUSED volatile unsigned long _MMAR ;
+
+ stacked_r0 = ((unsigned long)hardfault_args[0]) ;
+ stacked_r1 = ((unsigned long)hardfault_args[1]) ;
+ stacked_r2 = ((unsigned long)hardfault_args[2]) ;
+ stacked_r3 = ((unsigned long)hardfault_args[3]) ;
+ stacked_r12 = ((unsigned long)hardfault_args[4]) ;
+ stacked_lr = ((unsigned long)hardfault_args[5]) ;
+ stacked_pc = ((unsigned long)hardfault_args[6]) ;
+ stacked_psr = ((unsigned long)hardfault_args[7]) ;
+
+ // Configurable Fault Status Register
+ // Consists of MMSR, BFSR and UFSR
+ _CFSR = (*((volatile unsigned long *)(0xE000ED28))) ;
+
+ // Hard Fault Status Register
+ _HFSR = (*((volatile unsigned long *)(0xE000ED2C))) ;
+
+ // Debug Fault Status Register
+ _DFSR = (*((volatile unsigned long *)(0xE000ED30))) ;
+
+ // Auxiliary Fault Status Register
+ _AFSR = (*((volatile unsigned long *)(0xE000ED3C))) ;
+
+ // Read the Fault Address Registers. These may not contain valid values.
+ // Check BFARVALID/MMARVALID to see if they are valid values
+ // MemManage Fault Address Register
+ _MMAR = (*((volatile unsigned long *)(0xE000ED34))) ;
+ // Bus Fault Address Register
+ _BFAR = (*((volatile unsigned long *)(0xE000ED38))) ;
+
+// if ((CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk)==CoreDebug_DHCSR_C_DEBUGEN_Msk) /* if there is debugger connected */
+// {
+// __asm("BKPT #0\n");
+// }
+
+ hal_debugger_breakpoint();
+}
+#endif
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