hm/CH32V208WBU6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

adc dma 中断 可以接收

Browse Source
This commit is contained in:
hm-thinkbook14p
2023-06-21 01:15:11 +08:00
parent c23ddf3e28
commit af73216d55
8 changed files with 9248 additions and 9202 deletions
Download Patch File Download Diff File Expand all files Collapse all files
DRV/drv_adc.c
+14 -11
View File
@@ -45,6 +45,15 @@ void adc_init(void)
DMA_Init(DMA1_Channel1, &DMA_InitStructure); //配置DMA1的1通道
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
DMA_Cmd(DMA1_Channel1,ENABLE);
ADC_DeInit(ADC1);
@@ -74,11 +83,7 @@ void adc_init(void)
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = ADC_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;
@@ -86,10 +91,8 @@ void adc_init(void)
NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
NVIC_Init(&NVIC_InitStructure);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
DMA_Cmd(DMA1_Channel1,ENABLE);
ADC_ITConfig( ADC1, ADC_IT_EOC, ENABLE);//使能规则通道中断
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
@@ -114,17 +117,17 @@ void DMA1_Channel1_IRQHandler(void)
if(DMA_GetFlagStatus(DMA1_IT_TC1))
{
printf("adc dma:%4d,%4d,%4d,%4d \n", adc_raw[0],adc_raw[1],adc_raw[2],adc_raw[3]);
printf("adc-dma: %4d, %4d, %4d, %4d\n", adc_raw[0],adc_raw[1],adc_raw[2],adc_raw[3]);
/* 失能DMA1通道1，以防在中断过程中发生DMA传输 */
DMA_Cmd(DMA1_Channel1, DISABLE);
/* 如果DMA设置的是normal模式，需要手动重装计数器 */
DMA1_Channel1->CNTR = sizeof(adc_raw);
DMA1_Channel1->CNTR = 4;
/* 清除中断标志位 */
DMA_ClearITPendingBit(DMA1_IT_TC1);
// DMA_ClearFlag(DMA1_FLAG_TC1);
/* 重新使能DMA1通道1，开始工作 */
//DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
DMA_Cmd(DMA1_Channel1,ENABLE);
}
}