确保定时器(TIM)配置正确,以每秒10次(10Hz)触发ADC。关键步骤包括:
配置TIM以产生10Hz的更新事件。
使能TIM的更新事件,并将其配置为触发ADC。
c
void TIM_Config(void) {
TIM_HandleTypeDef TimHandle;
TIM_MasterConfigTypeDef sMasterConfig;
__HAL_RCC_TIM2_CLK_ENABLE();
TimHandle.Instance = TIM2;
TimHandle.Init.Period = 9999;
TimHandle.Init.Prescaler = 7199;
TimHandle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimHandle);
sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
HAL_TIMEx_MasterConfigSynchronization(&TimHandle, &sMasterConfig);
HAL_TIM_Base_Start(&TimHandle);
}
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