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852d34204f6ccb3fdeade86ff71cbb8e2b4b694e
stm32samples/G4:G431/inc/startup/vector.c
Edward Emelianov 852d34204f add G431-blink
2026-06-24 22:56:04 +03:00

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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>,
* Copyright (C) 2012 chrysn <chrysn@fsfe.org>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "vector.h"
#include "common_macros.h"
// would change later
uint32_t SysFreq = 8000000;
typedef void (*vector_table_entry_t)(void);
typedef void (*funcp_t) (void);
void main(void);
void blocking_handler(void);
void null_handler(void);
#ifndef STM32G4
#error "Not supported STM32 family"
#endif
#include "stm32g4xx.h"
#define NVIC_IRQ_COUNT 102
#if defined STM32G431xx
#define IRQ_HANDLERS \
[WWDG_IRQn] = wwdg_isr, \
[PVD_PVM_IRQn] = pvd_isr, \
[RTC_TAMP_LSECSS_IRQn] = rtc_tamp_css_isr, \
[RTC_WKUP_IRQn] = rtc_wkup_isr, \
[FLASH_IRQn] = flash_isr, \
[RCC_IRQn] = rcc_isr, \
[EXTI0_IRQn] = exti0_isr, \
[EXTI1_IRQn] = exti1_isr, \
[EXTI2_IRQn] = exti2_isr, \
[EXTI3_IRQn] = exti3_isr, \
[EXTI4_IRQn] = exti4_isr, \
[DMA1_Channel1_IRQn] = dma1_channel1_isr, \
[DMA1_Channel2_IRQn] = dma1_channel2_isr, \
[DMA1_Channel3_IRQn] = dma1_channel3_isr, \
[DMA1_Channel4_IRQn] = dma1_channel4_isr, \
[DMA1_Channel5_IRQn] = dma1_channel5_isr, \
[DMA1_Channel6_IRQn] = dma1_channel6_isr, \
[ADC1_2_IRQn] = adc12_isr, \
[USB_HP_IRQn] = usb_hp_isr, \
[USB_LP_IRQn] = usb_lp_isr, \
[FDCAN1_IT0_IRQn] = fdcan1_it0_isr, \
[FDCAN1_IT1_IRQn] = fdcan1_it1_isr, \
[EXTI9_5_IRQn] = exti9_5_isr, \
[TIM1_BRK_TIM15_IRQn] = tim1_brk_tim15_isr, \
[TIM1_UP_TIM16_IRQn] = tim1_up_tim16_isr, \
[TIM1_TRG_COM_TIM17_IRQn] = tim1_trg_tim17_isr, \
[TIM1_CC_IRQn] = tim1_cc_isr, \
[TIM2_IRQn] = tim2_isr, \
[TIM3_IRQn] = tim3_isr, \
[TIM4_IRQn] = tim4_isr, \
[I2C1_EV_IRQn] = i2c1_ev_isr, \
[I2C1_ER_IRQn] = i2c1_er_isr, \
[I2C2_EV_IRQn] = i2c2_ev_isr, \
[I2C2_ER_IRQn] = i2c2_er_isr, \
[SPI1_IRQn] = spi1_isr, \
[SPI2_IRQn] = spi2_isr, \
[USART1_IRQn] = usart1_isr, \
[USART2_IRQn] = usart2_isr, \
[USART3_IRQn] = usart3_isr, \
[EXTI15_10_IRQn] = exti15_10_isr, \
[RTC_Alarm_IRQn] = rtc_alarm_isr, \
[USBWakeUp_IRQn] = usb_wakeup_isr, \
[TIM8_BRK_IRQn] = tim8_brk_isr, \
[TIM8_UP_IRQn] = tim8_up_isr, \
[TIM8_TRG_COM_IRQn] = tim8_trg_isr, \
[TIM8_CC_IRQn] = tim8_cc_isr, \
[LPTIM1_IRQn] = lptim1_isr, \
[SPI3_IRQn] = spi3_isr, \
[UART4_IRQn] = uart4_isr, \
[TIM6_DAC_IRQn] = tim6_dac13under_isr, \
[TIM7_IRQn] = tim7_dac24under_isr, \
[DMA2_Channel1_IRQn] = dma2_channel1_isr, \
[DMA2_Channel2_IRQn] = dma2_channel2_isr, \
[DMA2_Channel3_IRQn] = dma2_channel3_isr, \
[DMA2_Channel4_IRQn] = dma2_channel4_isr, \
[DMA2_Channel5_IRQn] = dma2_channel5_isr, \
[UCPD1_IRQn] = ucpd1_isr, \
[COMP1_2_3_IRQn] = comp123_isr, \
[COMP4_IRQn] = comp456_isr, \
[CRS_IRQn] = crs_isr, \
[SAI1_IRQn] = sai_isr, \
[FPU_IRQn] = fpu_isr, \
[RNG_IRQn] = rng_isr, \
[LPUART1_IRQn] = lpuart_isr, \
[I2C3_EV_IRQn] = i2c3_ev_isr, \
[I2C3_ER_IRQn] = i2c3_er_isr, \
[DMAMUX_OVR_IRQn] = dmamux_ovr_isr, \
[DMA2_Channel6_IRQn] = dma2_channel6_isr, \
[CORDIC_IRQn] = cordic_isr, \
[FMAC_IRQn] = fmac_isr
#else
#error "Not supported STM32G4 MCU"
#endif
typedef struct {
unsigned int *initial_sp_value; /**< Initial stack pointer value. */
vector_table_entry_t reset;
vector_table_entry_t nmi;
vector_table_entry_t hard_fault;
vector_table_entry_t memory_manage_fault; /* not in CM0 */
vector_table_entry_t bus_fault; /* not in CM0 */
vector_table_entry_t usage_fault; /* not in CM0 */
vector_table_entry_t reserved_x001c[4];
vector_table_entry_t sv_call;
vector_table_entry_t debug_monitor; /* not in CM0 */
vector_table_entry_t reserved_x0034;
vector_table_entry_t pend_sv;
vector_table_entry_t systick;
vector_table_entry_t irq[NVIC_IRQ_COUNT];
} vector_table_t;
extern unsigned _stack;
void WEAK __attribute__ ((naked)) __attribute__ ((noreturn)) reset_handler(void){
extern uint32_t _sdata; // .data section start
extern uint32_t _edata; // .data section end
extern uint32_t _sbss; // .bss section start
extern uint32_t _ebss; // .bss section end
extern uint32_t _ldata; // .data load address
uint32_t *dst = &_sdata;
uint32_t *src = &_ldata;
// copy initialized variables data
while ( dst < &_edata ) { *dst++ = *src++; }
// clear uninitialized variables
for ( dst = &_sbss; dst < &_ebss; dst++ ) { *dst = 0; }
/* Enable access to Floating-Point coprocessor. */
#if (__FPU_PRESENT == 1)
SCB->CPACR = 0x0f << 20 ; /* set CP10 and CP11 Full Access */
nop();
__DSB();
__ISB();
#endif
// call main
main();
// halt
for(;;) {}
}
void blocking_handler(void){
while (1);
}
void null_handler(void){
/* Do nothing. */
}
void WEAK nmi_handler(void);
void WEAK hard_fault_handler(void);
void WEAK sv_call_handler(void);
void WEAK pend_sv_handler(void);
void WEAK sys_tick_handler(void);
void WEAK mem_manage_handler(void);
void WEAK bus_fault_handler(void);
void WEAK usage_fault_handler(void);
void WEAK debug_monitor_handler(void);
#if defined STM32G431xx
void wwdg_isr(void) __attribute__((weak, alias("blocking_handler")));
void pvd_isr(void) __attribute__((weak, alias("blocking_handler")));
void rtc_tamp_css_isr(void) __attribute__((weak, alias("blocking_handler")));
void rtc_wkup_isr(void) __attribute__((weak, alias("blocking_handler")));
void flash_isr(void) __attribute__((weak, alias("blocking_handler")));
void rcc_isr(void) __attribute__((weak, alias("blocking_handler")));
void exti0_isr(void) __attribute__((weak, alias("blocking_handler")));
void exti1_isr(void) __attribute__((weak, alias("blocking_handler")));
void exti2_isr(void) __attribute__((weak, alias("blocking_handler")));
void exti3_isr(void) __attribute__((weak, alias("blocking_handler")));
void exti4_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma1_channel1_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma1_channel2_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma1_channel3_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma1_channel4_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma1_channel5_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma1_channel6_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma1_channel7_isr(void) __attribute__((weak, alias("blocking_handler")));
void adc12_isr(void) __attribute__((weak, alias("blocking_handler")));
void usb_hp_isr(void) __attribute__((weak, alias("blocking_handler")));
void usb_lp_isr(void) __attribute__((weak, alias("blocking_handler")));
void fdcan1_it0_isr(void) __attribute__((weak, alias("blocking_handler")));
void fdcan1_it1_isr(void) __attribute__((weak, alias("blocking_handler")));
void exti9_5_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim1_brk_tim15_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim1_up_tim16_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim1_trg_tim17_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim1_cc_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim2_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim3_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim4_isr(void) __attribute__((weak, alias("blocking_handler")));
void i2c1_ev_isr(void) __attribute__((weak, alias("blocking_handler")));
void i2c1_er_isr(void) __attribute__((weak, alias("blocking_handler")));
void i2c2_ev_isr(void) __attribute__((weak, alias("blocking_handler")));
void i2c2_er_isr(void) __attribute__((weak, alias("blocking_handler")));
void spi1_isr(void) __attribute__((weak, alias("blocking_handler")));
void spi2_isr(void) __attribute__((weak, alias("blocking_handler")));
void usart1_isr(void) __attribute__((weak, alias("blocking_handler")));
void usart2_isr(void) __attribute__((weak, alias("blocking_handler")));
void usart3_isr(void) __attribute__((weak, alias("blocking_handler")));
void exti15_10_isr(void) __attribute__((weak, alias("blocking_handler")));
void rtc_alarm_isr(void) __attribute__((weak, alias("blocking_handler")));
void usb_wakeup_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim8_brk_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim8_up_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim8_trg_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim8_cc_isr(void) __attribute__((weak, alias("blocking_handler")));
void adc3_isr(void) __attribute__((weak, alias("blocking_handler")));
void fsmc_isr(void) __attribute__((weak, alias("blocking_handler")));
void lptim1_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim5_isr(void) __attribute__((weak, alias("blocking_handler")));
void spi3_isr(void) __attribute__((weak, alias("blocking_handler")));
void uart4_isr(void) __attribute__((weak, alias("blocking_handler")));
void uart5_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim6_dac13under_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim7_dac24under_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma2_channel1_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma2_channel2_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma2_channel3_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma2_channel4_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma2_channel5_isr(void) __attribute__((weak, alias("blocking_handler")));
void adc4_isr(void) __attribute__((weak, alias("blocking_handler")));
void adc5_isr(void) __attribute__((weak, alias("blocking_handler")));
void ucpd1_isr(void) __attribute__((weak, alias("blocking_handler")));
void comp123_isr(void) __attribute__((weak, alias("blocking_handler")));
void comp456_isr(void) __attribute__((weak, alias("blocking_handler")));
void comp7_isr(void) __attribute__((weak, alias("blocking_handler")));
void hrtim_master_isr(void) __attribute__((weak, alias("blocking_handler")));
void hrtim_tima_isr(void) __attribute__((weak, alias("blocking_handler")));
void hrtim_timb_isr(void) __attribute__((weak, alias("blocking_handler")));
void hrtim_timc_isr(void) __attribute__((weak, alias("blocking_handler")));
void hrtim_timd_isr(void) __attribute__((weak, alias("blocking_handler")));
void hrtim_time_isr(void) __attribute__((weak, alias("blocking_handler")));
void hrtim_fault_isr(void) __attribute__((weak, alias("blocking_handler")));
void hrtim_timf_isr(void) __attribute__((weak, alias("blocking_handler")));
void crs_isr(void) __attribute__((weak, alias("blocking_handler")));
void sai_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim20_brk_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim20_up_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim20_trg_isr(void) __attribute__((weak, alias("blocking_handler")));
void tim20_cc_isr(void) __attribute__((weak, alias("blocking_handler")));
void fpu_isr(void) __attribute__((weak, alias("blocking_handler")));
void i2c4_ev_isr(void) __attribute__((weak, alias("blocking_handler")));
void i2c4_er_isr(void) __attribute__((weak, alias("blocking_handler")));
void spi4_isr(void) __attribute__((weak, alias("blocking_handler")));
void aes_isr(void) __attribute__((weak, alias("blocking_handler")));
void fdcan2_it0_isr(void) __attribute__((weak, alias("blocking_handler")));
void fdcan2_it1_isr(void) __attribute__((weak, alias("blocking_handler")));
void fdcan3_it0_isr(void) __attribute__((weak, alias("blocking_handler")));
void fdcan3_it1_isr(void) __attribute__((weak, alias("blocking_handler")));
void rng_isr(void) __attribute__((weak, alias("blocking_handler")));
void lpuart_isr(void) __attribute__((weak, alias("blocking_handler")));
void i2c3_ev_isr(void) __attribute__((weak, alias("blocking_handler")));
void i2c3_er_isr(void) __attribute__((weak, alias("blocking_handler")));
void dmamux_ovr_isr(void) __attribute__((weak, alias("blocking_handler")));
void quadspi_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma1_channel8_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma2_channel6_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma2_channel7_isr(void) __attribute__((weak, alias("blocking_handler")));
void dma2_channel8_isr(void) __attribute__((weak, alias("blocking_handler")));
void cordic_isr(void) __attribute__((weak, alias("blocking_handler")));
void fmac_isr(void) __attribute__((weak, alias("blocking_handler")));
#endif
vector_table_t vector_table __attribute__ ((used, section(".vector_table"))) = {
.initial_sp_value = &_stack,
.reset = reset_handler,
.nmi = nmi_handler,
.hard_fault = hard_fault_handler,
.memory_manage_fault = mem_manage_handler,
.bus_fault = bus_fault_handler,
.usage_fault = usage_fault_handler,
.debug_monitor = debug_monitor_handler,
.sv_call = sv_call_handler,
.pend_sv = pend_sv_handler,
.systick = sys_tick_handler,
.irq = {
IRQ_HANDLERS
}
};
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