66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
|
|
||
|
|
|
||
|
|
#define LED_Pin LL_GPIO_PIN_4
|
||
|
|
#define LED_GPIO_Port GPIOA
|
||
|
|
|
||
|
|
#include "stm32g0xx_ll_rcc.h"
|
||
|
|
#include "stm32g0xx_ll_bus.h"
|
||
|
|
#include "stm32g0xx_ll_crs.h"
|
||
|
|
#include "stm32g0xx_ll_system.h"
|
||
|
|
#include "stm32g0xx_ll_exti.h"
|
||
|
|
#include "stm32g0xx_ll_cortex.h"
|
||
|
|
#include "stm32g0xx_ll_utils.h"
|
||
|
|
#include "stm32g0xx_ll_pwr.h"
|
||
|
|
#include "stm32g0xx_ll_dma.h"
|
||
|
|
#include "my_printf.h"
|
||
|
|
|
||
|
|
void SystemClock_Config(void)
|
||
|
|
{
|
||
|
|
LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
|
||
|
|
while(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2);
|
||
|
|
|
||
|
|
/* HSI configuration and activation */
|
||
|
|
LL_RCC_HSI_Enable();
|
||
|
|
while(LL_RCC_HSI_IsReady() != 1);
|
||
|
|
|
||
|
|
/* Main PLL configuration and activation */
|
||
|
|
LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI, LL_RCC_PLLM_DIV_1, 8, 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);
|
||
|
|
/* Update CMSIS variable (which can be updated also through SystemCoreClockUpdate function) */
|
||
|
|
LL_SetSystemCoreClock(64000000);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int main(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);
|
||
|
|
/** Disable the internal Pull-Up in Dead Battery pins of UCPD peripheral */
|
||
|
|
//LL_SYSCFG_DisableDBATT(LL_SYSCFG_UCPD1_STROBE | LL_SYSCFG_UCPD2_STROBE);
|
||
|
|
|
||
|
|
SystemClock_Config();
|
||
|
|
my_printf_config(115200);
|
||
|
|
|
||
|
|
|
||
|
|
while(1)
|
||
|
|
{
|
||
|
|
printf("Hello World\r\n");
|
||
|
|
LL_mDelay(250);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|