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第一次实验-上课示例

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This commit is contained in:
423A35C7
2024-10-08 21:33:28 +08:00
parent ffc675c5b3
commit b0ebd03d19
4 changed files with 109 additions and 61 deletions
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15
exp1/Core/Src/main.c
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@@ -22,7 +22,7 @@
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "variable.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
@@ -43,7 +43,9 @@
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
stSysTickTimer sSysTickTimer = {
0, 0, 0, 0
};
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
@@ -97,6 +99,15 @@ int main(void)
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if (sSysTickTimer.bTenMilSecOk) {
sSysTickTimer.bTenMilSecOk = 0;
}
if (sSysTickTimer.bTimeOk) {
sSysTickTimer.bTimeOk = 0;
HAL_GPIO_TogglePin(TickClock_LED_GPIO_Port, TickClock_LED_Pin);
}
// HAL_GPIO_TogglePin(TickClock_LED_GPIO_Port, TickClock_LED_Pin);
// HAL_Delay(100);
}
/* USER CODE END 3 */
}

12
exp1/Core/Src/stm32g4xx_it.c
View File

@@ -22,6 +22,7 @@
#include "stm32g4xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "variable.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
@@ -57,7 +58,7 @@
/* External variables --------------------------------------------------------*/
/* USER CODE BEGIN EV */
extern stSysTickTimer sSysTickTimer;
/* USER CODE END EV */
/******************************************************************************/
@@ -187,7 +188,14 @@ void SysTick_Handler(void)
/* USER CODE END SysTick_IRQn 0 */
HAL_IncTick();
/* USER CODE BEGIN SysTick_IRQn 1 */
if (++sSysTickTimer.mMilSecCount >= 10) {
sSysTickTimer.mMilSecCount = 0;
sSysTickTimer.bTenMilSecOk = 1;
if (++sSysTickTimer.mTimeCount >= 100) {
sSysTickTimer.mTimeCount = 0;
sSysTickTimer.bTimeOk = 1;
}
}
/* USER CODE END SysTick_IRQn 1 */
}