单路ad正常，引入多路ad后程序紊乱，LCD显示无意义数字

InitZ · 发表于 2018-7-5 18:19:59

在复制程序时，注释乱码。
程序采用定时中断，每次中断采集adc1进行PID运算，测试后工作正常，之后引入第2路Ad做过载保护，LCD屏幕乱码，只显示无意义数字。
所用程序，全部改自原子哥例程。
void  Adc_Init(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |RCC_APB2Periph_ADC1 , ENABLE );

RCC_ADCCLKConfig(RCC_PCLK2_Div6);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);

ADC_Cmd(ADC1, ENABLE); //Ê¹ÄÜÖ¸¶¨µÄADC1

ADC_ResetCalibration(ADC1); //Ê¹ÄÜ¸´Î»Ð£×¼

while(ADC_GetResetCalibrationStatus(ADC1)); //µÈ´ý¸´Î»Ð£×¼½áÊø

ADC_StartCalibration(ADC1);  //¿ªÆôADÐ£×¼

while(ADC_GetCalibrationStatus(ADC1));  //µÈ´ýÐ£×¼½áÊø

ADC_SoftwareStartConvCmd(ADC1, ENABLE);  //Ê¹ÄÜÖ¸¶¨µÄADC1µÄÈí¼þ×ª»»Æô¶¯¹¦ÄÜ
}

u16 Get_Adc(u8 ch)
{
//ÉèÖÃÖ¸¶¨ADCµÄ¹æÔò×éÍ¨µÀ£¬Ò»¸öÐòÁÐ£¬²ÉÑùÊ±¼ä
ADC_RegularChannelConfig(ADC1, ch, 1, ADC_SampleTime_239Cycles5 ); //ADC1,ADCÍ¨µÀ,²ÉÑùÊ±¼äÎª239.5ÖÜÆÚ

ADC_SoftwareStartConvCmd(ADC1, ENABLE);  //Ê¹ÄÜÖ¸¶¨µÄADC1µÄÈí¼þ×ª»»Æô¶¯¹¦ÄÜ

while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC ));//µÈ´ý×ª»»½áÊø
return ADC_GetConversionValue(ADC1); //·µ»Ø×î½üÒ»´ÎADC1¹æÔò×éµÄ×ª»»½á¹û
}

u16 Get_Adc_Average(u8 ch,u8 times)
{
u32 temp_val=0;
u8 t;
for(t=0;t<times;t++)
{
  temp_val+=Get_Adc(ch);
  delay_ms(5);
}
return temp_val/times;
}

void  Adc2_Init(void)

{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |RCC_APB2Periph_ADC2 , ENABLE ); //Ê¹ÄÜADC1Í¨µÀÊ±ÖÓ

RCC_ADCCLKConfig(RCC_PCLK2_Div6); //ÉèÖÃADC·ÖÆµÒò×Ó6 72M/6=12,ADC×î´óÊ±¼ä²»ÄÜ³¬¹ý14M
//PA1 ×÷ÎªÄ£ÄâÍ¨µÀÊäÈëÒý½Å
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;  //Ä£ÄâÊäÈëÒý½Å
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_DeInit(ADC2);  //¸´Î»ADC1,½«ÍâÉè ADC1 µÄÈ«²¿¼Ä´æÆ÷ÖØÉèÎªÈ±Ê¡Öµ
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //ADC¹¤×÷Ä£Ê½:ADC1ºÍADC2¹¤×÷ÔÚ¶ÀÁ¢Ä£Ê½
ADC_InitStructure.ADC_ScanConvMode = DISABLE; //Ä£Êý×ª»»¹¤×÷ÔÚµ¥Í¨µÀÄ£Ê½
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; //Ä£Êý×ª»»¹¤×÷ÔÚµ¥´Î×ª»»Ä£Ê½
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //×ª»»ÓÉÈí¼þ¶ø²»ÊÇÍâ²¿´¥·¢Æô¶¯
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //ADCÊý¾ÝÓÒ¶ÔÆë
ADC_InitStructure.ADC_NbrOfChannel = 1; //Ë³Ðò½øÐÐ¹æÔò×ª»»µÄADCÍ¨µÀµÄÊýÄ¿
ADC_Init(ADC1, &ADC_InitStructure); //¸ù¾ÝADC_InitStructÖÐÖ¸¶¨µÄ²ÎÊý³õÊ¼»¯ÍâÉèADCxµÄ¼Ä´æÆ÷

ADC_Cmd(ADC2, ENABLE); //Ê¹ÄÜÖ¸¶¨µÄADC2

ADC_ResetCalibration(ADC2); //Ê¹ÄÜ¸´Î»Ð£×¼

while(ADC_GetResetCalibrationStatus(ADC2)); //µÈ´ý¸´Î»Ð£×¼½áÊø

ADC_StartCalibration(ADC2);  //¿ªÆôADÐ£×¼

while(ADC_GetCalibrationStatus(ADC2));  //µÈ´ýÐ£×¼½áÊø

ADC_SoftwareStartConvCmd(ADC2, ENABLE);  //Ê¹ÄÜÖ¸¶¨µÄADC1µÄÈí¼þ×ª»»Æô¶¯¹¦ÄÜ
}

u16 Get_Adc2(u8 ch)
{
//ÉèÖÃÖ¸¶¨ADCµÄ¹æÔò×éÍ¨µÀ£¬Ò»¸öÐòÁÐ£¬²ÉÑùÊ±¼ä
ADC_RegularChannelConfig(ADC2, ch, 1, ADC_SampleTime_239Cycles5 ); //ADC1,ADCÍ¨µÀ,²ÉÑùÊ±¼äÎª239.5ÖÜÆÚ

ADC_SoftwareStartConvCmd(ADC2, ENABLE);  //Ê¹ÄÜÖ¸¶¨µÄADC2µÄÈí¼þ×ª»»Æô¶¯¹¦ÄÜ

while(!ADC_GetFlagStatus(ADC2, ADC_FLAG_EOC ));//µÈ´ý×ª»»½áÊø
return ADC_GetConversionValue(ADC2); //·µ»Ø×î½üÒ»´ÎADC1¹æÔò×éµÄ×ª»»½á¹û
}

u16 Get_Adc2_Average(u8 ch,u8 times)
{
u32 temp_val=0;
u8 t;
for(t=0;t<times;t++)
{
  temp_val+=Get_Adc2(ch);
  delay_ms(5);
}
return temp_val/times;
}

void TIM4_IRQHandler(void) //TIM4ÖÐ¶Ï
{//extern float temp,adcx,adcy,Target_voltage;
  int temp=0;
u8 buf[8];       // ?????????????
Target_voltage=0.96;
if (TIM_GetITStatus(TIM4, TIM_IT_Update) != RESET) //¼ì²éÖ¸¶¨µÄTIMÖÐ¶Ï·¢ÉúÓë·ñ:TIM ÖÐ¶ÏÔ´
  {
  TIM_ClearITPendingBit(TIM4, TIM_IT_Update  );  //Çå³ýTIMxµÄÖÐ¶Ï´ý´¦ÀíÎ»:TIM ÖÐ¶ÏÔ´

  adcx=Get_Adc_Average(ADC_Channel_1,33);//0-4096}
  adcs=Target_voltage*(4096/3.3);
  temp=Voltage_PID(adcx, adcs);
  TIM_SetCompare3(TIM3,temp);
delay_ms(20);
//sprintf((char*)adcx," %8ld ",fre_data);
  LCD_ShowxNum(156,130,adcx,4,16,0); //ÏÔÊ¾adc
  adca=(float)adcx*(3.3/4096);
adcx=adca;
LCD_ShowxNum(156,150,adca,1,16,0);//ÏÔÊ¾µçÑ¹Öµ
adca-=adcx;
  adca*=1000;
  LCD_ShowxNum(172,150,adca,3,16,0X80);//µçÑ¹ÖµÐ¡Êý
  LCD_ShowxNum(156,170,adcz,4,16,0);//ÏÔÊ¾ADCµÄÖµ
adcl=Get_Adc2_Average(ADC_Channel_4,33);//0-4096}
//delay_ms(20);

LCD_ShowxNum(156,90,adcl,4,16,0); //ÏÔÊ¾adcl
  adcL=(float)adcl*(3.3/4096);
adcl=adcL;
LCD_ShowxNum(156,110,adcL,1,16,0);//ÏÔÊ¾µçÑ¹Öµ
adcL-=adcl;
  adcL*=1000;
  LCD_ShowxNum(172,110,adcL,3,16,0X80);//µçÑ¹ÖµÐ¡Êý
  //LCD_ShowxNum(156,170,Pwm,4,16,0);//ÏÔÊ¾ADCµÄÖµ

adcz=temp;
LCD_ShowxNum(156,210,temp,4,16,0);//pwm
/*temp-=adcz;
temp*=1000;
LCD_ShowxNum(172,210,temp,3,16,0X80);//pwmÐ¡*/
adcy=Target_voltage;
  LCD_ShowxNum(156,230,Target_voltage,1,16,0);//
  Target_voltage-=adcy;
  Target_voltage*=1000;
  LCD_ShowxNum(172,230,Target_voltage,3,16,0X80);
  }
}

InitZ · 发表于 2018-7-5 18:29:52

void  Adc_Init(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |RCC_APB2Periph_ADC1 , ENABLE );

RCC_ADCCLKConfig(RCC_PCLK2_Div6);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);

ADC_Cmd(ADC1, ENABLE); //Ê¹
ADC_ResetCalibration(ADC1); //Ê¹
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartConvCmd(ADC1, ENABLE);  //Ê¹
}

u16 Get_Adc(u8 ch)
{
ADC_RegularChannelConfig(ADC1, ch, 1, ADC_SampleTime_239Cycles5 );

ADC_SoftwareStartConvCmd(ADC1, ENABLE);
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC ));
return ADC_GetConversionValue(ADC1);

u16 Get_Adc_Average(u8 ch,u8 times)
{
u32 temp_val=0;
u8 t;
for(t=0;t<times;t++)
{
  temp_val+=Get_Adc(ch);
  delay_ms(5);
}
return temp_val/times;
}

void  Adc2_Init(void)

{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |RCC_APB2Periph_ADC2 , ENABLE );
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_DeInit(ADC2);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);

ADC_Cmd(ADC2, ENABLE);

ADC_ResetCalibration(ADC2);

while(ADC_GetResetCalibrationStatus(ADC2));
ADC_StartCalibration(ADC2);
while(ADC_GetCalibrationStatus(ADC2));
ADC_SoftwareStartConvCmd(ADC2, ENABLE);
}

u16 Get_Adc2(u8 ch)
{
ADC_RegularChannelConfig(ADC2, ch, 1, ADC_SampleTime_239Cycles5 );

ADC_SoftwareStartConvCmd(ADC2, ENABLE);
while(!ADC_GetFlagStatus(ADC2, ADC_FLAG_EOC ));
return ADC_GetConversionValue(ADC2); }

u16 Get_Adc2_Average(u8 ch,u8 times)
{
u32 temp_val=0;
u8 t;
for(t=0;t<times;t++)
{
  temp_val+=Get_Adc2(ch);
  delay_ms(5);
}
return temp_val/times;
}

void TIM4_IRQHandler(void) //TIM4ÖÐ¶Ï
{  int temp=0;

Target_voltage=0.96;
if (TIM_GetITStatus(TIM4, TIM_IT_Update) != RESET)
  {
  TIM_ClearITPendingBit(TIM4, TIM_IT_Update  );
  adcx=Get_Adc_Average(ADC_Channel_1,33);//0-4096}
  adcs=Target_voltage*(4096/3.3);
  temp=Voltage_PID(adcx, adcs);
  TIM_SetCompare3(TIM3,temp);
delay_ms(20);

  LCD_ShowxNum(156,130,adcx,4,16,0);
  adca=(float)adcx*(3.3/4096);
adcx=adca;
LCD_ShowxNum(156,150,adca,1,16,0);
adca-=adcx;
  adca*=1000;
  LCD_ShowxNum(172,150,adca,3,16,0X80);/
  LCD_ShowxNum(156,170,adcz,4,16,0);
adcl=Get_Adc2_Average(ADC_Channel_4,33);//0-4096}


LCD_ShowxNum(156,90,adcl,4,16,0);
  adcL=(float)adcl*(3.3/4096);
adcl=adcL;
LCD_ShowxNum(156,110,adcL,1,16,0);/
adcL-=adcl;
  adcL*=1000;
  LCD_ShowxNum(172,110,adcL,3,16,0X80);//


adcz=temp;
LCD_ShowxNum(156,210,temp,4,16,0);//pwm
/*temp-=adcz;
temp*=1000;
LCD_ShowxNum(172,210,temp,3,16,0X80);//pwmÐ¡*/
adcy=Target_voltage;
  LCD_ShowxNum(156,230,Target_voltage,1,16,0);//
  Target_voltage-=adcy;
  Target_voltage*=1000;
  LCD_ShowxNum(172,230,Target_voltage,3,16,0X80);
  }
}

InitZ · 发表于 2018-7-5 18:30:33

前面程序乱码太难看，发了一个整洁版的

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单路ad正常，引入多路ad后程序紊乱，LCD显示无意义数字

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