144 lines
3.7 KiB
C
144 lines
3.7 KiB
C
#include "McuBspTimer.h"
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typedef struct {
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uint32_t TimerTick[MCU_BSP_TIMER_TASK_NUM_MAX];
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uint8_t TaskEnable[MCU_BSP_TIMER_TASK_NUM_MAX];
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MCU_BSP_TIMER_TASK *TimerTask[MCU_BSP_TIMER_TASK_NUM_MAX];
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} MCU_BSP_TIMER_TASK_INLINE;
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TIM_HandleTypeDef gTimHandle;
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MCU_BSP_TIMER_TASK_INLINE gTimerTask = {0};
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uint32_t gTimerTick = 0;
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uint8_t gTimerUseFlag = 0;
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/* 使用定时器3作为定时器的复用 */
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int McuBspTimerInit(void)
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{
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gTimHandle.Instance = TIM3;
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gTimHandle.Init.Period = 10000 - 1;
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gTimHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 10000) - 1;
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gTimHandle.Init.ClockDivision = 0;
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gTimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
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gTimHandle.Init.RepetitionCounter = 0;
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gTimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
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if (HAL_TIM_Base_Init(&gTimHandle) != HAL_OK) {
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return -1;
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}
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McuBspTimerStartOrStop(MCU_BSP_TIMER_START);
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gTimerUseFlag = 1;
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return 0;
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}
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/* 定时器反初始化 */
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int McuBspTimerDeInit(void)
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{
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gTimHandle.Instance = TIM3;
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if (HAL_TIM_Base_DeInit(&gTimHandle) != HAL_OK) {
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return -1;
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}
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gTimerUseFlag = 0;
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return 0;
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}
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/* 开启或关闭定时器 */
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int McuBspTimerStartOrStop(uint8_t flag)
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{
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if (flag == MCU_BSP_TIMER_START) {
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if (HAL_TIM_Base_Start_IT(&gTimHandle) != HAL_OK) {
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return -1;
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}
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} else {
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if (HAL_TIM_Base_Stop_IT(&gTimHandle) != HAL_OK) {
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return -1;
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}
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}
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return 0;
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}
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/* 添加任务 */
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int McuBspTimerAddTask(MCU_BSP_TIMER_TASK *Task)
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{
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int i;
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for (i = 0; i < MCU_BSP_TIMER_TASK_NUM_MAX; i++) {
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if (gTimerTask.TaskEnable[i] != MCU_BSP_TIMER_ENABLE) {
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gTimerTask.TimerTick[i] = gTimerTick;
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gTimerTask.TimerTask[i] = Task;
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gTimerTask.TaskEnable[i] = MCU_BSP_TIMER_ENABLE;
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return i;
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}
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}
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return -1;
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}
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/* 删除任务 */
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void McuBspTimerDelTask(int TaskId)
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{
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gTimerTask.TaskEnable[TaskId] = MCU_BSP_TIMER_DISABLE;
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}
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/* 刷新定时器 */
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void McuBspTimerTaskRefresh(int TaskId)
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{
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if (gTimerTask.TaskEnable[TaskId] == MCU_BSP_TIMER_ENABLE) {
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gTimerTask.TimerTick[TaskId] = gTimerTick;
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}
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}
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/* 定时器Sleep */
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void McuBspTimerSleep(void)
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{
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if (gTimerUseFlag == 1) {
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__HAL_RCC_TIM3_CLK_DISABLE();
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}
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HAL_NVIC_DisableIRQ(TIM3_IRQn);
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}
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/* 定时器WakeUp */
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void McuBspTimerWakeUp(void)
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{
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if (gTimerUseFlag == 1) {
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__HAL_RCC_TIM3_CLK_ENABLE();
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HAL_NVIC_EnableIRQ(TIM3_IRQn);
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}
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}
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void HAL_TIM_Base_MspInit(TIM_HandleTypeDef *htim)
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{
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if (htim->Instance == TIM3) {
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__HAL_RCC_TIM3_CLK_ENABLE();
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/* TIM2 interrupt Init */
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HAL_NVIC_SetPriority(TIM3_IRQn, 0x0E, 0);
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HAL_NVIC_EnableIRQ(TIM3_IRQn);
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}
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}
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void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
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{
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int i;
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gTimerTick++;
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if (htim->Instance == TIM3) {
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for (i = 0; i < MCU_BSP_TIMER_TASK_NUM_MAX; i++) {
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if (gTimerTask.TaskEnable[i] == MCU_BSP_TIMER_ENABLE) {
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if (gTimerTick <= gTimerTask.TimerTick[i]) {
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if ((UINT32_MAX - (gTimerTask.TimerTick[i] - gTimerTick)) >= gTimerTask.TimerTask[i]->TaskPeriod) {
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gTimerTask.TaskEnable[i] = MCU_BSP_TIMER_DISABLE;
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gTimerTask.TimerTask[i]->Callback();
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}
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} else {
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if (gTimerTick - gTimerTask.TimerTick[i] >= gTimerTask.TimerTask[i]->TaskPeriod) {
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gTimerTask.TaskEnable[i] = MCU_BSP_TIMER_DISABLE;
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gTimerTask.TimerTask[i]->Callback();
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}
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}
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}
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}
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}
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}
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void TIM3_IRQHandler(void)
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{
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HAL_TIM_IRQHandler(&gTimHandle);
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}
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