void _Device_Start_ADC_Conversion(){
adc_channel_init();
//adc_second_scan_flag = 0;
adc_scan_times_flag = 0;
//adc_4_channel_scan_init();
ADC1_StartConversion();
}
void ADSample(void)
{
u8 i,tttemp;
ADC1_DeInit();
ADC1_ConversionConfig(ADC1_CONVERSIONMODE_SINGLE, ADC1_CHANNEL_3, ADC1_ALIGN_RIGHT);
ADC1_SchmittTriggerConfig(ADC1_SCHMITTTRIG_CHANNEL4,ENABLE);
ADC1_ITConfig(ADC1_IT_EOCIE,DISABLE);
ADC1_Cmd(ENABLE);
ADC1->CSR &= (u8)(~0x80);
ADC1_StartConversion();
while((ADC1->CSR & 0x80)!=0x80) IWDG_ReloadCounter(); // µÈ´ýת»»½áÊø
Conversion_Value += ADC1_GetConversionValue();
ADC1->CSR &= (u8)(~0x80);
u8ADChannelCnt++;
if(u8ADChannelCnt>=SAMPLE_TIMES)
{
u8ADChannelCnt = 0;
tttemp = (u8)((Conversion_Value>>2)/SAMPLE_TIMES);
if((tttemp<20) || (tttemp>200) ) u8Temp = OFF_TMP_SET;
else
{
for(i=0;T3580Tab[i]<tttemp;i++);
u8Temp = (u8)(i+(40*2));
}
Conversion_Value = 0;
}
void ADC1_Config()
{
ADC1_DeInit();
#ifdef EN_SENSOR_MIC
ADC1_Init(ADC1_CONVERSIONMODE_CONTINUOUS, ADC1_CHANNEL_1, ADC1_PRESSEL_FCPU_D4,
ADC1_EXTTRIG_TIM, DISABLE, ADC1_ALIGN_RIGHT, ADC1_SCHMITTTRIG_CHANNEL1, DISABLE);
ADC1_ScanModeCmd(ENABLE);
#else
ADC1_Init(ADC1_CONVERSIONMODE_CONTINUOUS, ADC1_CHANNEL_0, ADC1_PRESSEL_FCPU_D4,
ADC1_EXTTRIG_TIM, DISABLE, ADC1_ALIGN_RIGHT, ADC1_SCHMITTTRIG_CHANNEL0, DISABLE);
ADC1_Cmd(ENABLE);
#endif
//ADC1_ITConfig(ADC1_IT_AWS0, ENABLE);
ADC1_StartConversion();
}
// Convert to level: [0..100]
uint8_t als_read()
{
uint8_t level;
// Wait convert finished
while(ADC1_GetFlagStatus(ADC1_FLAG_EOC) == RESET);
// Get value
uint16_t adc_value = ADC1_GetConversionValue();
// Clear flag
ADC1_ClearFlag(ADC1_FLAG_EOC);
// Start next conversion
ADC1_StartConversion();
// [0..1023], reversed scale down to [100..0]
if( adc_value >= 1000 ) {
level = 0;
} else {
level = 100 - adc_value / 10;
}
return level;
}
/**
* @brief Initializes the ADC.
* ADC conversion mode: continious, EOC interrupt enabled
* @retval : None
*/
void pot_init(void){
/* Init GPIO for ADC7 */
GPIO_Init(GPIOB, GPIO_PIN_7, GPIO_MODE_IN_FL_NO_IT);
/* De-Init ADC peripheral*/
ADC1_DeInit();
/* Init ADC1 peripheral */
ADC1_Init(ADC1_CONVERSIONMODE_CONTINUOUS, ADC1_CHANNEL_7, ADC1_PRESSEL_FCPU_D18, \
ADC1_EXTTRIG_TIM, DISABLE, ADC1_ALIGN_RIGHT, ADC1_SCHMITTTRIG_CHANNEL7,\
DISABLE);
/* Enable EOC interrupt */
ADC1_ITConfig(ADC1_IT_EOCIE,ENABLE);
/* Enable general interrupts */
enableInterrupts();
/*Start Conversion */
ADC1_StartConversion();
}
/*******************************************************************************
* 名 称： Bsp_GetPm25AdVal
* 功 能： 获取PM2.5传感器的AD值
* 入口参数： 无
* 出口参数： 无
* 作 者： Roger-WY
* 创建日期： 2015-07-20
* 修 改：
* 修改日期：
* 备 注：
*******************************************************************************/
void Bsp_GetPm25AdVal(u16 *pdata)
{
u32 sum = 0;
/***********************************************
* 描述： 开PM2.5传感器内部LED
*/
PM25LEDON();
/***********************************************
* 描述： 延时280uS
*/
Bsp_DelayUs(28);
/***********************************************
* 描述： 采集PM2.5的数据
*/
for(u8 i = 0; i < CollectionCnt ; i++ ) {
sum += ADC1_GetConversionValue();
ADC1_StartConversion(); /* 软件启动下次ADC转换 */
}
*pdata = (u16)(sum/CollectionCnt);
/***********************************************
* 描述：关PM2.5传感器内部LED
*/
PM25LEDOFF();
}
INTERRUPT void ADC1_IRQHandler(void)
{
#endif
//GPIO_WriteHigh(LED1_PORT, LED1_PIN);
ADC1_ClearITPendingBit(ADC1_IT_EOC); //clear end of conversion flag, for one signal channel
switch(adc_scan_times_flag){
case 0:
ADC_Results[0] = ADC1_GetBufferValue(0);
ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_1);/* Select the ADC1 channel */
ADC1_StartConversion();
break;
case 1:
ADC_Results[1] = ADC1_GetBufferValue(1);
ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_2);/* Select the ADC1 channel */
ADC1_StartConversion();
break;
case 2:
ADC_Results[2] = ADC1_GetBufferValue(2);
ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_3);/* Select the ADC1 channel */
ADC1_StartConversion();
break;
case 3:
ADC_Results[3] = ADC1_GetBufferValue(3);
ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_4);/* Select the ADC1 channel */
ADC1_StartConversion();
break;
case 4:
ADC_Results[4] = ADC1_GetBufferValue(4);
ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_5);/* Select the ADC1 channel */
ADC1_StartConversion();
break;
case 5:
ADC_Results[0] = ADC1_GetBufferValue(0);
ADC_Results[1] = ADC1_GetBufferValue(1);
ADC_Results[2] = ADC1_GetBufferValue(2);
ADC_Results[3] = ADC1_GetBufferValue(3);
ADC_Results[4] = ADC1_GetBufferValue(4);
ADC_Results[5] = ADC1_GetBufferValue(5);
ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_12);/* Select the ADC1 channel */
ADC1->CR2 &= (uint8_t)(~ADC1_CR2_SCAN); //ADC1_ScanMode DISABLE
ADC1_StartConversion();
break;
case 6:
ADC_Results[6] = ADC1_GetConversionValue();
ADC1->CSR &= (uint8_t)(~ADC1_CSR_CH); /* Clear the ADC1 channels */
ADC1->CSR |= (uint8_t)(ADC1_CHANNEL_0);/* Select the ADC1 channel */
ADC1->CR2 |= ADC1_CR2_SCAN; //ADC1_ScanMode ENABLE
adc_scan_times_flag = 0;
(*Intupt_ADC_Finish_ptr_fuc)();
break;
default:
break;
}
adc_scan_times_flag++;
// if(adc_second_scan_flag == 0){
// ADC_Results[0] = ADC1_GetBufferValue(0);
// ADC_Results[1] = ADC1_GetBufferValue(1);
// ADC_Results[2] = ADC1_GetBufferValue(2);
// ADC_Results[3] = ADC1_GetBufferValue(3);
// //ADC1_ClearITPendingBit(ADC1_IT_EOC); //clear end of conversion flag, for one signal channel
//
// adc_second_scan_flag = 1;
// adc_AIN12_channel_init();
// ADC1_StartConversion();
// //(*Intupt_ADC_Finish_ptr_fuc)();
// }else{
// //adc_second_scan_flag = 0;
// ADC_Results[4] = ADC1_GetConversionValue(); // for AIN12 values
// //ADC1_ClearITPendingBit(ADC1_IT_EOC); //clear end of conversion flag, for one signal channel
// //adc_4_channel_scan_init();
// (*Intupt_ADC_Finish_ptr_fuc)();
//
// }
//GPIO_WriteLow(LED1_PORT, LED1_PIN);
return;
}