/*
* STM32G071KBT6.cpp
*
* Created on: Jun 23, 2023
* Author: Carst
*/
#include <algorithm>
#include <cstdint>
#include <stm32g0xx_ll_bus.h>
#include <stm32g0xx_ll_cortex.h>
#include <stm32g0xx_ll_rcc.h>
#include <stm32g0xx_ll_system.h>
#include <stm32g0xx_ll_utils.h>
#include <stm32g0xx_ll_gpio.h>
#include <stm32g0xx_ll_tim.h>
extern "C" void Reset_Handler(void);
extern "C" void NMI_Handler(void);
extern "C" void HardFault_Handler(void);
extern "C" void SVC_Handler(void);
extern "C" void PendSV_Handler(void);
extern "C" void SysTick_Handler(void);
extern "C" void WWDG_IRQHandler(void); /* Window WatchDog */
extern "C" void PVD_IRQHandler(void); /* PVD through EXTI Line detect */
extern "C" void RTC_TAMP_IRQHandler(void); /* RTC through the EXTI line */
extern "C" void FLASH_IRQHandler(void); /* FLASH */
extern "C" void RCC_IRQHandler(void); /* RCC */
extern "C" void EXTI0_1_IRQHandler(void); /* EXTI Line 0 and 1 */
extern "C" void EXTI2_3_IRQHandler(void); /* EXTI Line 2 and 3 */
extern "C" void EXTI4_15_IRQHandler(void); /* EXTI Line 4 to 15 */
extern "C" void UCPD1_2_IRQHandler(void); /* UCPD1, UCPD2 */
extern "C" void DMA1_Channel1_IRQHandler(void); /* DMA1 Channel 1 */
extern "C" void DMA1_Channel2_3_IRQHandler(void); /* DMA1 Channel 2 and Channel 3 */
extern "C" void DMA1_Ch4_7_DMAMUX1_OVR_IRQHandler(void); /* DMA1 Channel 4 to Channel 7, DMAMUX1 overrun */
extern "C" void ADC1_COMP_IRQHandler(void); /* ADC1, COMP1 and COMP2 */
extern "C" void TIM1_BRK_UP_TRG_COM_IRQHandler(void); /* TIM1 Break, Update, Trigger and Commutation */
extern "C" void TIM1_CC_IRQHandler(void); /* TIM1 Capture Compare */
extern "C" void TIM2_IRQHandler(void); /* TIM2 */
extern "C" void TIM3_IRQHandler(void); /* TIM3 */
extern "C" void TIM6_DAC_LPTIM1_IRQHandler(void); /* TIM6, DAC and LPTIM1 */
extern "C" void TIM7_LPTIM2_IRQHandler(void); /* TIM7 and LPTIM2 */
extern "C" void TIM14_IRQHandler(void); /* TIM14 */
extern "C" void TIM15_IRQHandler(void); /* TIM15 */
extern "C" void TIM16_IRQHandler(void); /* TIM16 */
extern "C" void TIM17_IRQHandler(void); /* TIM17 */
extern "C" void I2C1_IRQHandler(void); /* I2C1 */
extern "C" void I2C2_IRQHandler(void); /* I2C2 */
extern "C" void SPI1_IRQHandler(void); /* SPI1 */
extern "C" void SPI2_IRQHandler(void); /* SPI2 */
extern "C" void USART1_IRQHandler(void); /* USART1 */
extern "C" void USART2_IRQHandler(void); /* USART2 */
extern "C" void USART3_4_LPUART1_IRQHandler(void); /* USART3, USART4 and LPUART1 */
extern "C" void CEC_IRQHandler(void); /* CEC */
extern std::uint32_t _estack;
const uint32_t AHBPrescTable[16UL] = {0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 1UL, 2UL, 3UL, 4UL, 6UL, 7UL, 8UL, 9UL};
const uint32_t APBPrescTable[8UL] = {0UL, 0UL, 0UL, 0UL, 1UL, 2UL, 3UL, 4UL};
volatile std::uint32_t systick;
const std::uintptr_t interruptVectorTable[] __attribute__((section(".isr_vector")))
{
reinterpret_cast<std::uintptr_t>(&_estack),
reinterpret_cast<std::uintptr_t>(Reset_Handler),
reinterpret_cast<std::uintptr_t>(NMI_Handler),
reinterpret_cast<std::uintptr_t>(HardFault_Handler),
reinterpret_cast<std::uintptr_t>(nullptr),
reinterpret_cast<std::uintptr_t>(nullptr),
reinterpret_cast<std::uintptr_t>(nullptr),
reinterpret_cast<std::uintptr_t>(nullptr),
reinterpret_cast<std::uintptr_t>(nullptr),
reinterpret_cast<std::uintptr_t>(nullptr),
reinterpret_cast<std::uintptr_t>(nullptr),
reinterpret_cast<std::uintptr_t>(SVC_Handler),
reinterpret_cast<std::uintptr_t>(nullptr),
reinterpret_cast<std::uintptr_t>(nullptr),
reinterpret_cast<std::uintptr_t>(PendSV_Handler),
reinterpret_cast<std::uintptr_t>(SysTick_Handler),
reinterpret_cast<std::uintptr_t>(WWDG_IRQHandler), /* Window WatchDog */
reinterpret_cast<std::uintptr_t>(PVD_IRQHandler), /* PVD through EXTI Line detect */
reinterpret_cast<std::uintptr_t>(RTC_TAMP_IRQHandler), /* RTC through the EXTI line */
reinterpret_cast<std::uintptr_t>(FLASH_IRQHandler), /* FLASH */
reinterpret_cast<std::uintptr_t>(RCC_IRQHandler), /* RCC */
reinterpret_cast<std::uintptr_t>(EXTI0_1_IRQHandler), /* EXTI Line 0 and 1 */
reinterpret_cast<std::uintptr_t>(EXTI2_3_IRQHandler), /* EXTI Line 2 and 3 */
reinterpret_cast<std::uintptr_t>(EXTI4_15_IRQHandler), /* EXTI Line 4 to 15 */
reinterpret_cast<std::uintptr_t>(UCPD1_2_IRQHandler), /* UCPD1, UCPD2 */
reinterpret_cast<std::uintptr_t>(DMA1_Channel1_IRQHandler), /* DMA1 Channel 1 */
reinterpret_cast<std::uintptr_t>(DMA1_Channel2_3_IRQHandler), /* DMA1 Channel 2 and Channel 3 */
reinterpret_cast<std::uintptr_t>(DMA1_Ch4_7_DMAMUX1_OVR_IRQHandler), /* DMA1 Channel 4 to Channel 7, DMAMUX1 overrun */
reinterpret_cast<std::uintptr_t>(ADC1_COMP_IRQHandler), /* ADC1, COMP1 and COMP2 */
reinterpret_cast<std::uintptr_t>(TIM1_BRK_UP_TRG_COM_IRQHandler), /* TIM1 Break, Update, Trigger and Commutation */
reinterpret_cast<std::uintptr_t>(TIM1_CC_IRQHandler), /* TIM1 Capture Compare */
reinterpret_cast<std::uintptr_t>(TIM2_IRQHandler), /* TIM2 */
reinterpret_cast<std::uintptr_t>(TIM3_IRQHandler), /* TIM3 */
reinterpret_cast<std::uintptr_t>(TIM6_DAC_LPTIM1_IRQHandler), /* TIM6, DAC and LPTIM1 */
reinterpret_cast<std::uintptr_t>(TIM7_LPTIM2_IRQHandler), /* TIM7 and LPTIM2 */
reinterpret_cast<std::uintptr_t>(TIM14_IRQHandler), /* TIM14 */
reinterpret_cast<std::uintptr_t>(TIM15_IRQHandler), /* TIM15 */
reinterpret_cast<std::uintptr_t>(TIM16_IRQHandler), /* TIM16 */
reinterpret_cast<std::uintptr_t>(TIM17_IRQHandler), /* TIM17 */
reinterpret_cast<std::uintptr_t>(I2C1_IRQHandler), /* I2C1 */
reinterpret_cast<std::uintptr_t>(I2C2_IRQHandler), /* I2C2 */
reinterpret_cast<std::uintptr_t>(SPI1_IRQHandler), /* SPI1 */
reinterpret_cast<std::uintptr_t>(SPI2_IRQHandler), /* SPI2 */
reinterpret_cast<std::uintptr_t>(USART1_IRQHandler), /* USART1 */
reinterpret_cast<std::uintptr_t>(USART2_IRQHandler), /* USART2 */
reinterpret_cast<std::uintptr_t>(USART3_4_LPUART1_IRQHandler), /* USART3, USART4 and LPUART1 */
reinterpret_cast<std::uintptr_t>(CEC_IRQHandler), /* CEC */
};
extern "C" void Reset_Handler(void)
{
/* Stack-Pointer wird automatisch von der HW initialisiert */
/* Copy the data segment initializers from flash to SRAM */
extern std::uint8_t _sdata;
extern std::uint8_t _edata;
extern std::uint8_t _sidata;
std::size_t size = static_cast<size_t>(&_edata - &_sdata);
std::copy(&_sidata, &_sidata + size, &_sdata);
/* Initialize bss section */
extern std::uint8_t _sbss;
extern std::uint8_t _ebss;
std::fill(&_sbss, &_ebss, UINT8_C(0x00));
/* Call the clock system initialization function.*/
SystemInit();
/* Initialize static objects by calling their constructors */
typedef void (*function_t)();
extern function_t __init_array_start;
extern function_t __init_array_end;
std::for_each(&__init_array_start, &__init_array_end, [](const function_t pfn) {
pfn();
});
/* Jump to main */
asm ("bl main");
}
extern "C" void NMI_Handler(void){}
extern "C" void HardFault_Handler(void){}
extern "C" void SVC_Handler(void){}
extern "C" void PendSV_Handler(void){}
extern "C" void SysTick_Handler(void)
{
systick++;
}
extern "C" void WWDG_IRQHandler(void){} /* Window WatchDog */
extern "C" void PVD_IRQHandler(void){} /* PVD through EXTI Line detect */
extern "C" void RTC_TAMP_IRQHandler(void){} /* RTC through the EXTI line */
extern "C" void FLASH_IRQHandler(void){} /* FLASH */
extern "C" void RCC_IRQHandler(void){} /* RCC */
extern "C" void EXTI0_1_IRQHandler(void){} /* EXTI Line 0 and 1 */
extern "C" void EXTI2_3_IRQHandler(void){} /* EXTI Line 2 and 3 */
extern "C" void EXTI4_15_IRQHandler(void){} /* EXTI Line 4 to 15 */
extern "C" void UCPD1_2_IRQHandler(void){} /* UCPD1, UCPD2 */
extern "C" void DMA1_Channel2_3_IRQHandler(void){} /* DMA1 Channel 2 and Channel 3 */
extern "C" void DMA1_Ch4_7_DMAMUX1_OVR_IRQHandler(void){} /* DMA1 Channel 4 to Channel 7, DMAMUX1 overrun */
extern "C" void ADC1_COMP_IRQHandler(void){} /* ADC1, COMP1 and COMP2 */
extern "C" void TIM1_BRK_UP_TRG_COM_IRQHandler(void){LL_GPIO_TogglePin(GPIOC, LL_GPIO_PIN_6);} /* TIM1 Break, Update, Trigger and Commutation */
extern "C" void TIM1_CC_IRQHandler(void){} /* TIM1 Capture Compare */
extern "C" void TIM2_IRQHandler(void){} /* TIM2 */
extern "C" void TIM3_IRQHandler(void){} /* TIM3 */
extern "C" void TIM6_DAC_LPTIM1_IRQHandler(void){} /* TIM6, DAC and LPTIM1 */
extern "C" void TIM7_LPTIM2_IRQHandler(void){} /* TIM7 and LPTIM2 */
extern "C" void TIM15_IRQHandler(void){} /* TIM15 */
extern "C" void TIM16_IRQHandler(void){} /* TIM16 */
extern "C" void TIM17_IRQHandler(void){} /* TIM17 */
extern "C" void I2C1_IRQHandler(void){} /* I2C1 */
extern "C" void I2C2_IRQHandler(void){} /* I2C2 */
extern "C" void SPI1_IRQHandler(void){} /* SPI1 */
extern "C" void SPI2_IRQHandler(void){} /* SPI2 */
extern "C" void USART1_IRQHandler(void){} /* USART1 */
extern "C" void USART2_IRQHandler(void){} /* USART2 */
extern "C" void CEC_IRQHandler(void){} /* CEC */
/* This variable is updated in three ways:
1) by calling CMSIS function SystemCoreClockUpdate()
2) by calling HAL API function HAL_RCC_GetHCLKFreq()
3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
Note: If you use this function to configure the system clock; then there
is no need to call the 2 first functions listed above, since SystemCoreClock
variable is updated automatically.
*/
uint32_t SystemCoreClock = 8000000;
extern "C" void SystemInit(void)
{
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG);
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
while(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2)
{
}
/* HSE configuration and activation */
LL_RCC_HSE_EnableBypass();
LL_RCC_HSE_Enable();
while(LL_RCC_HSE_IsReady() != 1)
{
}
/* Main PLL configuration and activation */
LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE, LL_RCC_PLLM_DIV_1, 16, LL_RCC_PLLR_DIV_2);
LL_RCC_PLL_Enable();
LL_RCC_PLL_EnableDomain_SYS();
while(LL_RCC_PLL_IsReady() != 1)
{
}
/* Set AHB prescaler*/
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
/* Sysclk activation on the main PLL */
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
{
}
/* Set APB1 prescaler*/
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
LL_Init1msTick(64000000);
LL_SYSTICK_EnableIT();
/* SysTick_IRQn interrupt configuration */
NVIC_SetPriority(SysTick_IRQn, 3);
/* Update CMSIS variable (which can be updated also through SystemCoreClockUpdate function) */
LL_SetSystemCoreClock(64000000);
/* Clock-Sources*/
LL_RCC_SetLPUARTClockSource(LL_RCC_LPUART1_CLKSOURCE_PCLK1);
LL_RCC_SetTIMClockSource(LL_RCC_TIM1_CLKSOURCE_PCLK1);
/* Enable Clocks for all Peripherals*/
LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);
LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOB);
LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOC);
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_LPUART1);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_ADC);
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_DMA1);
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_DAC1);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_TIM1);
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM2);
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM3);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_TIM14);
}