Mercurial > ~darius > hgwebdir.cgi > stm32temp
diff startup_stm32f10x_md_mthomas.c @ 0:c59513fd84fb
Initial commit of STM32 test code.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Mon, 03 Oct 2011 21:19:15 +1030 |
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children | 74e9b3baac1e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/startup_stm32f10x_md_mthomas.c Mon Oct 03 21:19:15 2011 +1030 @@ -0,0 +1,382 @@ +/** + ****************************************************************************** + * @file startup_stm32f10x_md.c + * @author MCD Application Team, modified by Martin Thomas + * @version V3.0.0-mthomas4 + * @date 19. Mar. 2010 + * @brief STM32F10x Medium Density Devices vector table for GNU toolchain. + * This module performs: + * - Set the initial SP + * - Set the initial PC == Reset_Handler, + * - Set the vector table entries with the exceptions ISR address + * - Configure the clock system + * - Branches to main in the C library (which eventually + * calls main()). + * After Reset the Cortex-M3 processor is in Thread mode, + * priority is Privileged, and the Stack is set to Main. + ******************************************************************************* + * @copy + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * <h2><center>© COPYRIGHT 2009 STMicroelectronics, 2010 M.Thomas</center></h2> + */ + +/* Modified by Martin Thomas + - to take VECT_TAB_RAM setting into account, also see the linker-script + - to avoid warning "ISO C forbids initialization between function pointer and 'void *'". + - added optional startup-delay to avoid unwanted operations while connecting with + debugger/programmer + - tested with the GNU arm-eabi toolchain as in CS G++ lite Q1/2009-161 + - minor modification in .data copy to avoid copy while "run from RAM" + during debugging +*/ + +/* Includes ------------------------------------------------------------------*/ +/* Private typedef -----------------------------------------------------------*/ +/* Private typedef -----------------------------------------------------------*/ +typedef void( *const intfunc )( void ); + +/* Private define ------------------------------------------------------------*/ +#define WEAK __attribute__ ((weak)) + +/* Private macro -------------------------------------------------------------*/ +extern unsigned long _etext; +/* start address for the initialization values of the .data section. +defined in linker script */ +extern unsigned long _sidata; + +/* start address for the .data section. defined in linker script */ +extern unsigned long _sdata; + +/* end address for the .data section. defined in linker script */ +extern unsigned long _edata; + +/* start address for the .bss section. defined in linker script */ +extern unsigned long _sbss; + +/* end address for the .bss section. defined in linker script */ +extern unsigned long _ebss; + +/* init value for the stack pointer. defined in linker script */ +extern unsigned long _estack; + +/* Private variables ---------------------------------------------------------*/ + +/* Private function prototypes -----------------------------------------------*/ +void Reset_Handler(void) __attribute__((__interrupt__)); +void __Init_Data_and_BSS(void); +void Default_Handler(void); + +/* External function prototypes ----------------------------------------------*/ +extern int main(void); /* Application's main function */ +extern void SystemInit(void); /* STM's system init */ +extern void __libc_init_array(void); /* calls CTORS of static objects */ + + +/******************************************************************************* +* +* Forward declaration of the default fault handlers. +* +*******************************************************************************/ +//mthomas void WEAK Reset_Handler(void); +void WEAK NMI_Handler(void); +void WEAK HardFault_Handler(void); +void WEAK MemManage_Handler(void); +void WEAK BusFault_Handler(void); +void WEAK UsageFault_Handler(void); +//mthomas void WEAK MemManage_Handler(void); +void WEAK SVC_Handler(void); +void WEAK DebugMon_Handler(void); +void WEAK PendSV_Handler(void); +void WEAK SysTick_Handler(void); + +/* External Interrupts */ +void WEAK WWDG_IRQHandler(void); +void WEAK PVD_IRQHandler(void); +void WEAK TAMPER_IRQHandler(void); +void WEAK RTC_IRQHandler(void); +void WEAK FLASH_IRQHandler(void); +void WEAK RCC_IRQHandler(void); +void WEAK EXTI0_IRQHandler(void); +void WEAK EXTI1_IRQHandler(void); +void WEAK EXTI2_IRQHandler(void); +void WEAK EXTI3_IRQHandler(void); +void WEAK EXTI4_IRQHandler(void); +void WEAK DMA1_Channel1_IRQHandler(void); +void WEAK DMA1_Channel2_IRQHandler(void); +void WEAK DMA1_Channel3_IRQHandler(void); +void WEAK DMA1_Channel4_IRQHandler(void); +void WEAK DMA1_Channel5_IRQHandler(void); +void WEAK DMA1_Channel6_IRQHandler(void); +void WEAK DMA1_Channel7_IRQHandler(void); +void WEAK ADC1_2_IRQHandler(void); +void WEAK USB_HP_CAN1_TX_IRQHandler(void); +void WEAK USB_LP_CAN1_RX0_IRQHandler(void); +void WEAK CAN1_RX1_IRQHandler(void); +void WEAK CAN1_SCE_IRQHandler(void); +void WEAK EXTI9_5_IRQHandler(void); +void WEAK TIM1_BRK_IRQHandler(void); +void WEAK TIM1_UP_IRQHandler(void); +void WEAK TIM1_TRG_COM_IRQHandler(void); +void WEAK TIM1_CC_IRQHandler(void); +void WEAK TIM2_IRQHandler(void); +void WEAK TIM3_IRQHandler(void); +void WEAK TIM4_IRQHandler(void); +void WEAK I2C1_EV_IRQHandler(void); +void WEAK I2C1_ER_IRQHandler(void); +void WEAK I2C2_EV_IRQHandler(void); +void WEAK I2C2_ER_IRQHandler(void); +void WEAK SPI1_IRQHandler(void); +void WEAK SPI2_IRQHandler(void); +void WEAK USART1_IRQHandler(void); +void WEAK USART2_IRQHandler(void); +void WEAK USART3_IRQHandler(void); +void WEAK EXTI15_10_IRQHandler(void); +void WEAK RTCAlarm_IRQHandler(void); +void WEAK USBWakeUp_IRQHandler(void); + +/* Private functions ---------------------------------------------------------*/ +/****************************************************************************** +* +* mthomas: If been built with VECT_TAB_RAM this creates two tables: +* (1) a minimal table (stack-pointer, reset-vector) used during startup +* before relocation of the vector table using SCB_VTOR +* (2) a full table which is copied to RAM and used after vector relocation +* (NVIC_SetVectorTable) +* If been built without VECT_TAB_RAM the following comment from STM is valid: +* The minimal vector table for a Cortex M3. Note that the proper constructs +* must be placed on this to ensure that it ends up at physical address +* 0x0000.0000. +* +******************************************************************************/ + +#ifdef VECT_TAB_RAM +__attribute__ ((section(".isr_vectorsflash"))) +void (* const g_pfnVectorsStartup[])(void) = +{ + (intfunc)((unsigned long)&_estack), /* The initial stack pointer during startup */ + Reset_Handler, /* The reset handler during startup */ + HardFault_Handler, /* Hard Fault Handler */ + MemManage_Handler, /* MPU Fault Handler */ + BusFault_Handler, /* Bus Fault Handler */ + UsageFault_Handler, /* Usage Fault Handler */ +}; +__attribute__ ((section(".isr_vectorsram"))) +void (* g_pfnVectors[])(void) = +#else /* VECT_TAB_RAM */ +__attribute__ ((section(".isr_vectorsflash"))) +void (* const g_pfnVectors[])(void) = +#endif /* VECT_TAB_RAM */ +{ + (intfunc)((unsigned long)&_estack), /* The stack pointer after relocation */ + Reset_Handler, /* Reset Handler */ + NMI_Handler, /* NMI Handler */ + HardFault_Handler, /* Hard Fault Handler */ + MemManage_Handler, /* MPU Fault Handler */ + BusFault_Handler, /* Bus Fault Handler */ + UsageFault_Handler, /* Usage Fault Handler */ + 0, /* Reserved */ + 0, /* Reserved */ + 0, /* Reserved */ + 0, /* Reserved */ + SVC_Handler, /* SVCall Handler */ + DebugMon_Handler, /* Debug Monitor Handler */ + 0, /* Reserved */ + PendSV_Handler, /* PendSV Handler */ + SysTick_Handler, /* SysTick Handler */ + + /* External Interrupts */ + WWDG_IRQHandler, /* Window Watchdog */ + PVD_IRQHandler, /* PVD through EXTI Line detect */ + TAMPER_IRQHandler, /* Tamper */ + RTC_IRQHandler, /* RTC */ + FLASH_IRQHandler, /* Flash */ + RCC_IRQHandler, /* RCC */ + EXTI0_IRQHandler, /* EXTI Line 0 */ + EXTI1_IRQHandler, /* EXTI Line 1 */ + EXTI2_IRQHandler, /* EXTI Line 2 */ + EXTI3_IRQHandler, /* EXTI Line 3 */ + EXTI4_IRQHandler, /* EXTI Line 4 */ + DMA1_Channel1_IRQHandler, /* DMA1 Channel 1 */ + DMA1_Channel2_IRQHandler, /* DMA1 Channel 2 */ + DMA1_Channel3_IRQHandler, /* DMA1 Channel 3 */ + DMA1_Channel4_IRQHandler, /* DMA1 Channel 4 */ + DMA1_Channel5_IRQHandler, /* DMA1 Channel 5 */ + DMA1_Channel6_IRQHandler, /* DMA1 Channel 6 */ + DMA1_Channel7_IRQHandler, /* DMA1 Channel 7 */ + ADC1_2_IRQHandler, /* ADC1 & ADC2 */ + USB_HP_CAN1_TX_IRQHandler, /* USB High Priority or CAN1 TX */ + USB_LP_CAN1_RX0_IRQHandler, /* USB Low Priority or CAN1 RX0 */ + CAN1_RX1_IRQHandler, /* CAN1 RX1 */ + CAN1_SCE_IRQHandler, /* CAN1 SCE */ + EXTI9_5_IRQHandler, /* EXTI Line 9..5 */ + TIM1_BRK_IRQHandler, /* TIM1 Break */ + TIM1_UP_IRQHandler, /* TIM1 Update */ + TIM1_TRG_COM_IRQHandler, /* TIM1 Trigger and Commutation */ + TIM1_CC_IRQHandler, /* TIM1 Capture Compare */ + TIM2_IRQHandler, /* TIM2 */ + TIM3_IRQHandler, /* TIM3 */ + TIM4_IRQHandler, /* TIM4 */ + I2C1_EV_IRQHandler, /* I2C1 Event */ + I2C1_ER_IRQHandler, /* I2C1 Error */ + I2C2_EV_IRQHandler, /* I2C2 Event */ + I2C2_ER_IRQHandler, /* I2C2 Error */ + SPI1_IRQHandler, /* SPI1 */ + SPI2_IRQHandler, /* SPI2 */ + USART1_IRQHandler, /* USART1 */ + USART2_IRQHandler, /* USART2 */ + USART3_IRQHandler, /* USART3 */ + EXTI15_10_IRQHandler, /* EXTI Line 15..10 */ + RTCAlarm_IRQHandler, /* RTC Alarm through EXTI Line */ + USBWakeUp_IRQHandler, /* USB Wakeup from suspend */ + 0,0,0,0,0,0,0, + (intfunc)0xF108F85F /* @0x108. This is for boot in RAM mode for + STM32F10x Medium Density devices. */ +}; + +/** + * @brief This is the code that gets called when the processor first + * starts execution following a reset event. Only the absolutely + * necessary set is performed, after which the application + * supplied main() routine is called. + * @param None + * @retval : None +*/ + +void Reset_Handler(void) +{ + +#ifdef STARTUP_DELAY + volatile unsigned long i; + for (i=0;i<500000;i++) { ; } +#endif + + /* Initialize data and bss */ + __Init_Data_and_BSS(); + + /* Call CTORS of static objects, not needed for "pure C": */ + /* __libc_init_array(); */ + /* if ( __libc_init_array ) + __libc_init_array() + } */ + + /* Setup the microcontroller system. Initialize the Embedded Flash Interface, + initialize the PLL and update the SystemFrequency variable. */ + SystemInit(); + + /* Call the application's entry point.*/ + main(); + + while(1) { ; } +} + +/** + * @brief initializes data and bss sections + * @param None + * @retval : None +*/ + +void __Init_Data_and_BSS(void) +{ + unsigned long *pulSrc, *pulDest; + + /* Copy the data segment initializers from flash to SRAM */ + pulSrc = &_sidata; + pulDest = &_sdata; + if ( pulSrc != pulDest ) + { + for(; pulDest < &_edata; ) + { + *(pulDest++) = *(pulSrc++); + } + } + /* Zero fill the bss segment. */ + for(pulDest = &_sbss; pulDest < &_ebss; ) + { + *(pulDest++) = 0; + } +} + +/******************************************************************************* +* +* Provide weak aliases for each Exception handler to the Default_Handler. +* As they are weak aliases, any function with the same name will override +* this definition. +* +*******************************************************************************/ +#pragma weak MMI_Handler = Default_Handler +#pragma weak MemManage_Handler = Default_Handler +#pragma weak BusFault_Handler = Default_Handler +#pragma weak UsageFault_Handler = Default_Handler +#pragma weak SVC_Handler = Default_Handler +#pragma weak DebugMon_Handler = Default_Handler +#pragma weak PendSV_Handler = Default_Handler +#pragma weak SysTick_Handler = Default_Handler +#pragma weak WWDG_IRQHandler = Default_Handler +#pragma weak PVD_IRQHandler = Default_Handler +#pragma weak TAMPER_IRQHandler = Default_Handler +#pragma weak RTC_IRQHandler = Default_Handler +#pragma weak FLASH_IRQHandler = Default_Handler +#pragma weak RCC_IRQHandler = Default_Handler +#pragma weak EXTI0_IRQHandler = Default_Handler +#pragma weak EXTI1_IRQHandler = Default_Handler +#pragma weak EXTI2_IRQHandler = Default_Handler +#pragma weak EXTI3_IRQHandler = Default_Handler +#pragma weak EXTI4_IRQHandler = Default_Handler +#pragma weak DMA1_Channel1_IRQHandler = Default_Handler +#pragma weak DMA1_Channel2_IRQHandler = Default_Handler +#pragma weak DMA1_Channel3_IRQHandler = Default_Handler +#pragma weak DMA1_Channel4_IRQHandler = Default_Handler +#pragma weak DMA1_Channel5_IRQHandler = Default_Handler +#pragma weak DMA1_Channel6_IRQHandler = Default_Handler +#pragma weak DMA1_Channel7_IRQHandler = Default_Handler +#pragma weak ADC1_2_IRQHandler = Default_Handler +#pragma weak USB_HP_CAN1_TX_IRQHandler = Default_Handler +#pragma weak USB_LP_CAN1_RX0_IRQHandler = Default_Handler +#pragma weak CAN1_RX1_IRQHandler = Default_Handler +#pragma weak CAN1_SCE_IRQHandler = Default_Handler +#pragma weak EXTI9_5_IRQHandler = Default_Handler +#pragma weak TIM1_BRK_IRQHandler = Default_Handler +#pragma weak TIM1_UP_IRQHandler = Default_Handler +#pragma weak TIM1_TRG_COM_IRQHandler = Default_Handler +#pragma weak TIM1_CC_IRQHandler = Default_Handler +#pragma weak TIM2_IRQHandler = Default_Handler +#pragma weak TIM3_IRQHandler = Default_Handler +#pragma weak TIM4_IRQHandler = Default_Handler +#pragma weak I2C1_EV_IRQHandler = Default_Handler +#pragma weak I2C1_ER_IRQHandler = Default_Handler +#pragma weak I2C2_EV_IRQHandler = Default_Handler +#pragma weak I2C2_ER_IRQHandler = Default_Handler +#pragma weak SPI1_IRQHandler = Default_Handler +#pragma weak SPI2_IRQHandler = Default_Handler +#pragma weak USART1_IRQHandler = Default_Handler +#pragma weak USART2_IRQHandler = Default_Handler +#pragma weak USART3_IRQHandler = Default_Handler +#pragma weak EXTI15_10_IRQHandler = Default_Handler +#pragma weak RTCAlarm_IRQHandler = Default_Handler +#pragma weak USBWakeUp_IRQHandler = Default_Handler + +/** + * @brief This is the code that gets called when the processor receives an + * unexpected interrupt. This simply enters an infinite loop, preserving + * the system state for examination by a debugger. + * + * @param None + * @retval : None +*/ + +void Default_Handler(void) +{ + /* Go into an infinite loop. */ + while (1) + { + } +} + +/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/