// STM32F303 Startup file
// IAR, GCC, Keil compatible

#include "stm32f303xc.h"
#include <stddef.h>

#if defined(__ARMCC_VERSION) && (__ARMCC_VERSION>=6100100)
  #define __KEIL_CODE__
#elif defined(__GNUC__)
  #define __GCC_CODE__
#elif defined(__ICCARM__)
  #define __IAR_CODE__
#elif defined( __CC_ARM ) || defined(__MICROLIB)
  #error "ARMCC v5 and MICROLIB not supported"
#else
  #error "Can't detect compiler"
#endif

#ifdef __cplusplus
#define __EXTERN_C extern "C"
extern "C" {
#else
#define __EXTERN_C
#endif

#ifdef __IAR_CODE__
//------------------------------
// IAR startup code
//------------------------------
  #define __Reset_Handler __cmain
  #pragma segment="CSTACK"
  #define __STACK_TOP  ((uint32_t)__sfe( "CSTACK" ))
  void exit(){}
  void __exit(){}
  void abort(){}
  void __cmain();
#endif

#ifdef __KEIL_CODE__
//------------------------------
// Keil startup code
//------------------------------
  void __main();
  void SystemInit();
  void exit() __attribute__ ((weak, alias ("Default_Handler")));
  #define __Reset_Handler Reset_Handler
  #define __STACK_TOP (void *)&Image$$ARM_LIB_STACK$$ZI$$Limit
  extern int Image$$ARM_LIB_STACK$$ZI$$Limit;

  void Reset_Handler()
  {
    SystemInit();
    __main();
  }
#endif // __KEIL_CODE__

#ifdef __GCC_CODE__
//------------------------------
// GCC Newlib startup code
//------------------------------
  #define __Reset_Handler Reset_Handler
  #define __STACK_TOP  &_estack
  void SystemInit();
  void __libc_init_array();
  int main();
  
  // These magic symbols are provided by the linker.
  extern void *_estack;
  extern void *_sidata, *_sdata, *_edata;
  extern void *_sbss, *_ebss;  
  extern void (*__preinit_array_start[]) (void) __attribute__((weak));
  extern void (*__preinit_array_end[]) (void) __attribute__((weak));
  extern void (*__init_array_start[]) (void) __attribute__((weak));
  extern void (*__init_array_end[]) (void) __attribute__((weak));
  extern void (*__fini_array_start[]) (void) __attribute__((weak));
  extern void (*__fini_array_end[]) (void) __attribute__((weak));

  void __attribute__((naked, noreturn)) Reset_Handler()
  {
    #ifdef __DEBUG_SRAM__
      __set_MSP((uint32_t)&_estack);
    #endif

    SystemInit();
   
    for (void **pSrc = &_sidata, **pDst = &_sdata; pDst < &_edata; *pDst++ = *pSrc++);
    for (void **pDst = &_sbss; pDst < &_ebss; *pDst++ = 0);  // Zero -> BSS
     
    // Use with the "-nostartfiles" linker option instead __libc_init_array();
    // Iterate over all the preinit/init routines (mainly static constructors).
    for(void(**fConstr)() = __preinit_array_start; fConstr < __preinit_array_end; (*fConstr++)());
    for(void(**fConstr)() = __init_array_start;    fConstr < __init_array_end;    (*fConstr++)());    
    
    //__libc_init_array(); // Use with libc start files
  
    (void)main();
  }
#endif // __GCC_CODE__

void Default_Handler() { for(;;); }

void NMI_Handler()                    __attribute__ ((weak, alias ("Default_Handler")));
void HardFault_Handler()              __attribute__ ((weak, alias ("Default_Handler")));
void MemManage_Handler()              __attribute__ ((weak, alias ("Default_Handler")));
void BusFault_Handler()               __attribute__ ((weak, alias ("Default_Handler")));
void UsageFault_Handler()             __attribute__ ((weak, alias ("Default_Handler")));
void SVC_Handler()                    __attribute__ ((weak, alias ("Default_Handler")));
void DebugMon_Handler()               __attribute__ ((weak, alias ("Default_Handler")));
void PendSV_Handler()                 __attribute__ ((weak, alias ("Default_Handler")));
void SysTick_Handler()                __attribute__ ((weak, alias ("Default_Handler")));
void WWDG_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void PVD_IRQHandler()                 __attribute__ ((weak, alias ("Default_Handler")));
void TAMP_STAMP_IRQHandler()          __attribute__ ((weak, alias ("Default_Handler")));
void RTC_WKUP_IRQHandler()            __attribute__ ((weak, alias ("Default_Handler")));
void FLASH_IRQHandler()               __attribute__ ((weak, alias ("Default_Handler")));
void RCC_IRQHandler()                 __attribute__ ((weak, alias ("Default_Handler")));
void EXTI0_IRQHandler()               __attribute__ ((weak, alias ("Default_Handler")));
void EXTI1_IRQHandler()               __attribute__ ((weak, alias ("Default_Handler")));
void EXTI2_TSC_IRQHandler()           __attribute__ ((weak, alias ("Default_Handler")));
void EXTI3_IRQHandler()               __attribute__ ((weak, alias ("Default_Handler")));
void EXTI4_IRQHandler()               __attribute__ ((weak, alias ("Default_Handler")));
void DMA1_Channel1_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA1_Channel2_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA1_Channel3_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA1_Channel4_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA1_Channel5_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA1_Channel6_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA1_Channel7_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void ADC1_2_IRQHandler()              __attribute__ ((weak, alias ("Default_Handler")));
void USB_HP_CAN_TX_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void USB_LP_CAN_RX0_IRQHandler()      __attribute__ ((weak, alias ("Default_Handler")));
void CAN_RX1_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void CAN_SCE_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void EXTI9_5_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void TIM1_BRK_TIM15_IRQHandler()      __attribute__ ((weak, alias ("Default_Handler")));
void TIM1_UP_TIM16_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void TIM1_TRG_COM_TIM17_IRQHandler()  __attribute__ ((weak, alias ("Default_Handler")));
void TIM1_CC_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void TIM2_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void TIM3_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void TIM4_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void I2C1_EV_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void I2C1_ER_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void I2C2_EV_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void I2C2_ER_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void SPI1_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void SPI2_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void USART1_IRQHandler()              __attribute__ ((weak, alias ("Default_Handler")));
void USART2_IRQHandler()              __attribute__ ((weak, alias ("Default_Handler")));
void USART3_IRQHandler()              __attribute__ ((weak, alias ("Default_Handler")));
void EXTI15_10_IRQHandler()           __attribute__ ((weak, alias ("Default_Handler")));
void RTC_Alarm_IRQHandler()           __attribute__ ((weak, alias ("Default_Handler")));
void USBWakeUp_IRQHandler()           __attribute__ ((weak, alias ("Default_Handler")));
void TIM8_BRK_IRQHandler()            __attribute__ ((weak, alias ("Default_Handler")));
void TIM8_UP_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void TIM8_TRG_COM_IRQHandler()        __attribute__ ((weak, alias ("Default_Handler")));
void TIM8_CC_IRQHandler()             __attribute__ ((weak, alias ("Default_Handler")));
void ADC3_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void SPI3_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void UART4_IRQHandler()               __attribute__ ((weak, alias ("Default_Handler")));
void UART5_IRQHandler()               __attribute__ ((weak, alias ("Default_Handler")));
void TIM6_DAC_IRQHandler()            __attribute__ ((weak, alias ("Default_Handler")));
void TIM7_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void DMA2_Channel1_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA2_Channel2_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA2_Channel3_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA2_Channel4_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void DMA2_Channel5_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void ADC4_IRQHandler()                __attribute__ ((weak, alias ("Default_Handler")));
void COMP1_2_3_IRQHandler()           __attribute__ ((weak, alias ("Default_Handler")));
void COMP4_5_6_IRQHandler()           __attribute__ ((weak, alias ("Default_Handler")));
void COMP7_IRQHandler()               __attribute__ ((weak, alias ("Default_Handler")));
void USB_HP_IRQHandler()              __attribute__ ((weak, alias ("Default_Handler")));
void USB_LP_IRQHandler()              __attribute__ ((weak, alias ("Default_Handler")));
void USBWakeUp_RMP_IRQHandler()       __attribute__ ((weak, alias ("Default_Handler")));
void FPU_IRQHandler()                 __attribute__ ((weak, alias ("Default_Handler")));

typedef void(*intvec_elem)();

__EXTERN_C const intvec_elem __vector_table[] __VECTOR_TABLE_ATTRIBUTE =
{ (intvec_elem)__STACK_TOP, &__Reset_Handler,
  &NMI_Handler,
  &HardFault_Handler,
  &MemManage_Handler,
  &BusFault_Handler,
  &UsageFault_Handler,
  NULL, NULL, NULL, NULL,
  &SVC_Handler,
  &DebugMon_Handler,
  NULL,
  &PendSV_Handler,
  &SysTick_Handler,
  &WWDG_IRQHandler,
  &PVD_IRQHandler,
  &TAMP_STAMP_IRQHandler,
  &RTC_WKUP_IRQHandler,
  &FLASH_IRQHandler,
  &RCC_IRQHandler,
  &EXTI0_IRQHandler,
  &EXTI1_IRQHandler,
  &EXTI2_TSC_IRQHandler,
  &EXTI3_IRQHandler,
  &EXTI4_IRQHandler,
  &DMA1_Channel1_IRQHandler,
  &DMA1_Channel2_IRQHandler,
  &DMA1_Channel3_IRQHandler,
  &DMA1_Channel4_IRQHandler,
  &DMA1_Channel5_IRQHandler,
  &DMA1_Channel6_IRQHandler,
  &DMA1_Channel7_IRQHandler,
  &ADC1_2_IRQHandler,
  &USB_HP_CAN_TX_IRQHandler,
  &USB_LP_CAN_RX0_IRQHandler,
  &CAN_RX1_IRQHandler,
  &CAN_SCE_IRQHandler,
  &EXTI9_5_IRQHandler,
  &TIM1_BRK_TIM15_IRQHandler,
  &TIM1_UP_TIM16_IRQHandler,
  &TIM1_TRG_COM_TIM17_IRQHandler,
  &TIM1_CC_IRQHandler,
  &TIM2_IRQHandler,
  &TIM3_IRQHandler,
  &TIM4_IRQHandler,
  &I2C1_EV_IRQHandler,
  &I2C1_ER_IRQHandler,
  &I2C2_EV_IRQHandler,
  &I2C2_ER_IRQHandler,
  &SPI1_IRQHandler,
  &SPI2_IRQHandler,
  &USART1_IRQHandler,
  &USART2_IRQHandler,
  &USART3_IRQHandler,
  &EXTI15_10_IRQHandler,
  &RTC_Alarm_IRQHandler,
  &USBWakeUp_IRQHandler,
  &TIM8_BRK_IRQHandler,
  &TIM8_UP_IRQHandler,
  &TIM8_TRG_COM_IRQHandler,
  &TIM8_CC_IRQHandler,
  &ADC3_IRQHandler,
  NULL, NULL, NULL,
  &SPI3_IRQHandler,
  &UART4_IRQHandler,
  &UART5_IRQHandler,
  &TIM6_DAC_IRQHandler,
  &TIM7_IRQHandler,
  &DMA2_Channel1_IRQHandler,
  &DMA2_Channel2_IRQHandler,
  &DMA2_Channel3_IRQHandler,
  &DMA2_Channel4_IRQHandler,
  &DMA2_Channel5_IRQHandler,
  &ADC4_IRQHandler,
  NULL, NULL,
  &COMP1_2_3_IRQHandler,
  &COMP4_5_6_IRQHandler,
  &COMP7_IRQHandler,
  NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  &USB_HP_IRQHandler,
  &USB_LP_IRQHandler,
  &USBWakeUp_RMP_IRQHandler,
  NULL, NULL, NULL, NULL,
  &FPU_IRQHandler
};

#ifdef __cplusplus
}
#endif