423A35C7/STM32CubeMX-Keil_uVision5
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完成第二次实验

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423A35C7 2024-10-29 21:20:17 +08:00
parent 2e01c0a278
commit f1bc6bd8e1
3 changed files with 12 additions and 4 deletions
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2
exp2/Core/Inc/variable.h
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@ -9,6 +9,8 @@ extern "C" {
typedef struct { typedef struct {
uint8_t mMilSecCount; // 毫秒计数 uint8_t mMilSecCount; // 毫秒计数
uint8_t bTenMilSecOk; // 10毫秒标志位 uint8_t bTenMilSecOk; // 10毫秒标志位
uint8_t mTenMilSecCount; // 10毫秒计数
uint8_t bHundredMilSecOk; // 100毫秒标志位
uint8_t mTimeCount; // 秒计数 uint8_t mTimeCount; // 秒计数
uint8_t bTimeOk; // 秒标志位 uint8_t bTimeOk; // 秒标志位
} stSysTickTimer; } stSysTickTimer;

4
exp2/Core/Src/main.c
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@ -104,7 +104,9 @@ int main(void)
if (sSysTickTimer.bTimeOk) { if (sSysTickTimer.bTimeOk) {
sSysTickTimer.bTimeOk = 0; sSysTickTimer.bTimeOk = 0;
HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin); HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
}
if (sSysTickTimer.bHundredMilSecOk) {
sSysTickTimer.bHundredMilSecOk = 0;
HAL_GPIO_WritePin(FlashLeds_GPIO_Port, nShift, GPIO_PIN_SET); HAL_GPIO_WritePin(FlashLeds_GPIO_Port, nShift, GPIO_PIN_SET);

10
exp2/Core/Src/stm32g4xx_it.c
View File

@ -192,9 +192,13 @@ void SysTick_Handler(void)
if (++sSysTickTimer.mMilSecCount >= 10) { if (++sSysTickTimer.mMilSecCount >= 10) {
sSysTickTimer.mMilSecCount = 0; sSysTickTimer.mMilSecCount = 0;
sSysTickTimer.bTenMilSecOk = 1; sSysTickTimer.bTenMilSecOk = 1;
if (++sSysTickTimer.mTimeCount >= 100) { if (++sSysTickTimer.mTenMilSecCount >= 10) {
sSysTickTimer.mTimeCount = 0; sSysTickTimer.mTenMilSecCount = 0;
sSysTickTimer.bTimeOk = 1; sSysTickTimer.bHundredMilSecOk = 1;
if (++sSysTickTimer.mTimeCount >= 10) {
sSysTickTimer.mTimeCount = 0;
sSysTickTimer.bTimeOk = 1;
}
} }
} }
/* USER CODE END SysTick_IRQn 1 */ /* USER CODE END SysTick_IRQn 1 */