自学教程：C++ ADC_Init函数代码示例

int main(void) {			    // b. Umleiten der Standardausgabe stdout (Teil 2)    //stdout = &mystdout;  	// Init everything	// Init Touch & Potis	DDRA = 0x00; // ADWandler-Pins auf Eingang schalten	uint16_t ADC_val;	ADC_Init();	// Init LED Matrix	TLC5940_Init();	// Init SPI	init_SPI();	// Init Timer	timer_config();	TLC5940_SetAllDC(63);	TLC5940_ClockInDC();	TLC5940_SetAllGS(0);		// Init all 74hc595	init_74hc595();	// Init all 74hc165	init_74hc165();	// Enable Interrupts globally	// TEMP TEMP TEMP	DDRC |= 0b01000000;	// Kalibriere Touchpanel	calibrate();	sei();	// Init UART	uart_init();			while (1)	{		static uint8_t current_potentiometer = 0;		// POTENTIOMETER auslesen		{					/*	switch( current_potentiometer )			{			//	case 1:			//		PORTC &= ~0b01000000;			//		break;				case 2:					PORTC |= 0b01000000;						break;			}	*/								// erstes Auslesen immer Fehlerhaft wegen Touchpanel evtl			// zweiter Wert beinhaltet richtiges Ergebniss!			// POTI_ADC_SAMPLES sollte daher 2 sein damit nach dem zweiten lesen in ADC_val das richtige ergebniss steht			ADC_val = 0;					for  ( uint8_t count = 0 ; count < POTI_ADC_SAMPLES ; count++ )   				ADC_val = ADC_Read(potentiometer[current_potentiometer].adc_channel);			if( ADC_val  > ( potentiometer[current_potentiometer].value + ADC_delta_for_change_poti ) || ( ADC_val  < ( potentiometer[current_potentiometer].value - ADC_delta_for_change_poti ) ) )  // +- 8 von 1024 Quantisierungsstufen / 128 Midi Schritte .  // if( ADC_val  > ( potentiometer[current_potentiometer].value + 10 ) || ( ADC_val  < ( potentiometer[current_potentiometer].value - 10 ) ) )																																						{				potentiometer[current_potentiometer].value = ADC_val;				controlChange(midi_channel, midi_poti_offset + current_potentiometer,ADC_val/8);				//printf("%i. Poti %i/n", current_potentiometer , potentiometer[current_potentiometer].value );			}			current_potentiometer++;						if ( current_potentiometer == potentiometer_count)				current_potentiometer = 0;		}				//Display_SetCross(4,2);		// TOUCHPANEL auslesen		read_touchscreen();	  	  	  if(touchscreen.FLAG_Display_change) 		  {			TLC5940_SetAllGS(0);			//Display_SetParabel(touchscreen.last_x , touchscreen.last_y );			Display_SetCross(touchscreen.last_LED_x,touchscreen.last_LED_y);			touchscreen.FLAG_Display_change = 0;		  }		  	}	}

void ADC_DMA_Config(void){  ADC_InitTypeDef       ADC_InitStructure;  ADC_CommonInitTypeDef ADC_CommonInitStructure;  DMA_InitTypeDef       DMA_InitStructure;  GPIO_InitTypeDef      GPIO_InitStructure;  /* Enable ADC3, DMA2 and GPIO clocks ****************************************/  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOF, ENABLE);  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);  /* DMA2 Stream0 channel0 configuration **************************************/  DMA_InitStructure.DMA_Channel = DMA_Channel_2;    DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC3->DR;  DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADCConvertedValue;  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;  DMA_InitStructure.DMA_BufferSize = 4;//--------------  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;//----------------  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;  DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;  DMA_InitStructure.DMA_Priority = DMA_Priority_Low;  DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;           DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;  DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;  DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;  DMA_Init(DMA2_Stream0, &DMA_InitStructure);  DMA_Cmd(DMA2_Stream0, ENABLE);  /* Configure ADC3 Channel12 pin as analog input ******************************/  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10;//-------------  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;  GPIO_Init(GPIOF, &GPIO_InitStructure);  /* ADC Common Init **********************************************************/  ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;  ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;  ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;  ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;  ADC_CommonInit(&ADC_CommonInitStructure);  /* ADC3 Init ****************************************************************/  ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;  ADC_InitStructure.ADC_ScanConvMode = ENABLE;//------------------  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;  ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;  ADC_InitStructure.ADC_NbrOfConversion = 4;  ADC_Init(ADC3, &ADC_InitStructure);  /* ADC3 regular channel12 configuration *************************************/  ADC_RegularChannelConfig(ADC3, ADC_Channel_5, 1, ADC_SampleTime_3Cycles);		ADC_RegularChannelConfig(ADC3, ADC_Channel_6, 2, ADC_SampleTime_3Cycles);		ADC_RegularChannelConfig(ADC3, ADC_Channel_7, 3, ADC_SampleTime_3Cycles);		ADC_RegularChannelConfig(ADC3, ADC_Channel_8, 4, ADC_SampleTime_3Cycles);			 /* Enable DMA request after last transfer (Single-ADC mode) */  ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);  /* Enable ADC3 DMA */  ADC_DMACmd(ADC3, ENABLE);  /* Enable ADC3 */  ADC_Cmd(ADC3, ENABLE);}

void Init_Task(uint32_t task_init_data){		int tester=0;	//uint_8 sys=0;	bool bInitOpen=FALSE;  bool	bInitStill=FALSE;	bool bInitVLPS=FALSE;	MQX_TICK_STRUCT ttt;	 _mqx_uint       mqx_ret;	  trace_init();	 show_version_information();		//////////////zga add	//Set LPTMR to timeout about 5 seconds		Lptmr_Init(1000, LPOCLK);			ADC_Init();		Calibrate_ADC();		ADC_Init();		DMA1_Init();	//////////////zga add		// clear flag  		APP_TRACE("start 1/n/r");	 _task_create_at(0, SHELL_TASK, 0, shell_task_stack, SHELL_TASK_STACK_SIZE);	 _task_create_at(0, MMA8415_TASK, 0, mma8451_task_stack, MMA8451_TASK_STACK_SIZE);			Lptmr_Start();		for(;;)	{		 mqx_ret = _lwsem_wait(&g_lptmr_int_sem);		//	_time_delay_ticks(10);		tester++;//_time_delay_ticks(10);		//APP_TRACE("tester is: %d/r/n",tester);		_time_get_elapsed_ticks(&ttt);          APP_TRACE("high ttt %d, low ttt%d/r/n", ttt.TICKS[1],ttt.TICKS[0]);		if(Measured)		{	Measured=0;			APP_TRACE ("light: %d ,%d /r/n", (uint16_t) MeasuredValues[1],tester);		}		if((GetTouchON()==TRUE))			{				SetSysStatus(ACTIVE_OPEN);			}			// for test 			SetSysStatus(ACTIVE_OPEN);		switch (sysStatus)	{		case ACTIVE_OPEN:					bInitStill=FALSE;					bInitVLPS=FALSE;					APP_TRACE ("ACTIVE_OPEN/r/n");					if(bInitOpen==FALSE)					{						bInitOpen=TRUE;						putmma8451running();						SysTick_PDD_EnableDevice(SysTick_BASE_PTR, PDD_ENABLE);					}													break;    case ACTIVE_STILL:					bInitOpen=FALSE;					bInitVLPS=FALSE;				APP_TRACE ("ACTIVE_still/r/n");					if(bInitStill==FALSE)					{						bInitStill=TRUE;						putmma8451detect();					}					enter_vlps();		case 	VLPSMODE:					bInitOpen=FALSE;					bInitStill=FALSE;				APP_TRACE ("vlpsmode/r/n");					if(bInitVLPS==FALSE)					{						bInitVLPS=TRUE;						putmma8451standby();					}					enter_vlps();    default:            break;	}	} 	}

void main(){	delay1s();	AUXR = AUXR|0x40;  	// T1, 1T Mode//	IE2 |= ESPI;	EXTI0_Init();                         //4432的中断设置	UART_Init();													//波特率9600	SPI_Init(MASTER);	delay1s();	SI4432_Init();	SI4432_SetRxMode();	//接收模式	ADC_Init(AFPORT_P1_4);	delay1s();#if MULTI_SENSOR	SendString("ROMID Search.../r/n");	SendROMID(DS18B20_SearchRomID());	SendString("/r/n");					//调试信息时候用#endif		//-----------------------------------------------------	EA = 1;								//注意：外设初始化完再开中断！	while(1)	{			if(Trans_RevPakFin)		{				Trans_RevPakFin = 0;			//液位采集计算			ADC_STARTCOV(ADC_CH4,ADC_SPEED_540T);			while(!(g_sensor_sta1&PRS_RDY));					//等待压力采集完成						//温度采集计算//			TemperDatHandle();			//液位开关采集				sensor_data.possw = POSSW;			//流量开关采集	//			sensor_data.flow = FLOW;			//打包			if(1==Pak_Handle())			{				g_sensor_sta1 = 0;								//清除所有传感器标志位				LED2 = 0;				SendString("valid cmd received./r/n");									delay200ms();				LED2 = 1;			}		}		//********************code for test**************************************//		DATA_Cmd_ACK();//		LED2 = 0;//		SendString("valid cmd received./r/n");					//		delay200ms();//		LED2 = 1;//		ADC_STARTCOV(ADC_CH4,ADC_SPEED_540T);//		while(!(g_sensor_sta1&PRS_RDY));					//等待压力采集完成//		sprintf("level: %d:/r/n",);//		SendString("level: %s:/r/n");	//		sensor_data.flow = FLOW;//		SendString("flow data:/r/n");					//		SendByteASCII(sensor_data.flow);//		SendString("/r/n");	//		delay1s();//		delay1s();		//********************end of code for test**************************************	}//end of while}//end of main

void adcInit(drv_adc_config_t *init){    ADC_InitTypeDef ADC_InitStructure;	  ADC_CommonInitTypeDef ADC_CommonInitStructure;    DMA_InitTypeDef DMA_InitStructure;		GPIO_InitTypeDef  GPIO_InitStructure;    bool multiChannel = init->powerAdcChannel > 0;     /* Enable ADC1, DMA2 clocks *************************************************/   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);   RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);  /* DMA2 Stream0 channel0 configuration **************************************/   DMA_DeInit(DMA2_Stream0);   DMA_InitStructure.DMA_Channel = DMA_Channel_0;   DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;   DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)adcValues;   DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;   DMA_InitStructure.DMA_BufferSize = multiChannel ? 2 : 1;   DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;   DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;   DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;   DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;   DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;   DMA_InitStructure.DMA_Priority = DMA_Priority_High;   DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;   DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;   DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;   DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;   DMA_Init(DMA2_Stream0, &DMA_InitStructure);   DMA_Cmd(DMA2_Stream0, ENABLE); /* Configure ADC3 Channel12 pin as analog input ******************************/  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;  GPIO_Init(GPIOC, &GPIO_InitStructure);  /* ADC Common Init **********************************************************/   ADC_DeInit();   ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;   ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;   ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;   ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles;   ADC_CommonInit(&ADC_CommonInitStructure);  /* ADC1 Init ****************************************************************/   ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;   ADC_InitStructure.ADC_ScanConvMode = multiChannel ? ENABLE : DISABLE;   ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;   ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;   ADC_InitStructure.ADC_ExternalTrigConv = 0;   ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;   ADC_InitStructure.ADC_NbrOfConversion = multiChannel ? 2 : 1;   ADC_Init(ADC1, &ADC_InitStructure);  /* Enable ADC1 DMA */  //ADC_DMACmd(ADC1, ENABLE);    ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_28Cycles);    if (multiChannel)        ADC_RegularChannelConfig(ADC1, init->powerAdcChannel, 2, ADC_SampleTime_28Cycles);    ADC_DMACmd(ADC1, ENABLE);    ADC_Cmd(ADC1, ENABLE);    // Calibrate ADC    //ADC_ResetCalibration(ADC1);    //while(ADC_GetResetCalibrationStatus(ADC1));   // ADC_StartCalibration(ADC1);   // while(ADC_GetCalibrationStatus(ADC1));    // Fire off ADC    ADC_SoftwareStartConv(ADC1);}

int main(void){char temp, i;LCD_Initialize();DDRB = 0b00000000;PORTB = 0b00001111;DDRA = 0xFF;ADC_Init();int value = 0;int calculations = 0;	char dzialanie = 0;		int digit = 0;	do{	int digit  = getADC(0);	char sw0 = PINB & 0b00000001;	char sw1 = PINB & 0b00000010;	if(sw0 != 0b00000001) {		state++;		_delay_ms(300);	}		  char str[15];	  sprintf(str, "%15d", lastValue);	LCD_GoTo(1,0);	LCD_WriteText(str);	switch(state){		case 0:					if(sw1 != 0b00000010){				setNewValue(mappingLogToLinear(digit, digitMap, 10));							_delay_ms(300);			}				sprintf(str, "%15d", mappingLogToLinear(digit, digitMap,10));				LCD_GoTo(1,1);				LCD_WriteText(str);				break;		case 1:			if(sw1 != 0b00000010){				setSign(mappingLogToLinear(digit, signMap, 2));				power = 0;								_delay_ms(300);			}				switch(mappingLogToLinear(digit, signMap,2)){					case 0:					LCD_GoTo(1,1);					LCD_WriteText("-");					break;					case 1:					LCD_GoTo(1,1);					LCD_WriteText("+");					break;				}			break;		case 2:			if(sw1 != 0b00000010){				doCalculations(mappingLogToLinear(digit, expressionMap, 4));				power = 0;				newValue=0;				state = 0;							_delay_ms(300);			}								switch(mappingLogToLinear(digit, expressionMap,4)){					case 0:					LCD_GoTo(1,1);					LCD_WriteText("+");					break;					case 1:					LCD_GoTo(1,1);					LCD_WriteText("-");					break;					case 2:					LCD_GoTo(1,1);					LCD_WriteText("*");					break;					case 3:					LCD_GoTo(1,1);					LCD_WriteText("/");					break;				}			break;		}/*	char sw0 = PINB & 0b00000001;//.........这里部分代码省略.........

int hal_adc_open(HAL_ADC_HANDLE *handle, void *params){	ADC_InitTypeDef       ADC_InitStructure;	ADC_CommonInitTypeDef ADC_CommonInitStructure;	DMA_InitTypeDef       DMA_InitStructure;    UNUSED(params);    /* DMA2_Stream0 channel0 configuration **************************************/    DMA_DeInit(DMA2_Stream0);    DMA_InitStructure.DMA_Channel = DMA_Channel_0;    DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_Address;    DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)convertedValues;    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;    DMA_InitStructure.DMA_BufferSize = 1;    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;    DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;    DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;    DMA_InitStructure.DMA_Priority = DMA_Priority_High;    DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;    DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;    DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;    DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;    DMA_Init(DMA2_Stream0, &DMA_InitStructure);    /* DMA2_Stream0 enable */    DMA_Cmd(DMA2_Stream0, ENABLE);    /* ADC Common Init **********************************************************/    ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;    ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;    ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;    ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles;    ADC_CommonInit(&ADC_CommonInitStructure);    /* ADC1 Init ****************************************************************/    ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;    ADC_InitStructure.ADC_ScanConvMode = DISABLE;    ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;    ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;    ADC_InitStructure.ADC_NbrOfConversion = 1;    ADC_Init(ADC1, &ADC_InitStructure);    /* Enable ADC1 DMA */    ADC_DMACmd(ADC1, ENABLE);    /* ADC1 regular channel18 (VBAT) configuration ******************************/    ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_480Cycles);    /* Enable DMA request after last transfer (Single-ADC mode) */    ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);    /* Enable ADC1 **************************************************************/    ADC_Cmd(ADC1, ENABLE);    ADC_SoftwareStartConv(ADC1);    *handle = (void *)convertedValues;    return HAL_ADC_E_SUCCESS;}

/******************************************************************************** Function Name  : main* Description    : Main program* Input          : None* Output         : None* Return         : None*******************************************************************************/int main(void){  /* define local values */  u16 DataValue = 0x0;  u16 Keta = 0;  u16 cnt = 0;  // counter  u32 wcnt = 0; // counter for wait  u16 Temperature = 0 ;  u8  a, b, c, d;#ifdef DEBUG  debug();#endif  /* System Clocks Configuration */  RCC_Configuration();  /* NVIC configuration */  NVIC_Configuration();  /* Configure the GPIO ports */  GPIO_Configuration();             // ADC用のGPIOの
C++ ADC_RegularChannelConfig函数代码示例
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