274 lines
10 KiB
C
274 lines
10 KiB
C
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "adc_dac.h"
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#define ADC1_DR_Address ((u32)0x40012400+0x4c)
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volatile unsigned int ADC_Sample_Value[32];
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float Reference_Voltage;
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float cpu_temperature;
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uint8_t ADC_EN_NUM;
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void PB_ADC_Init(uint16_t adc_channel , uint8_t adc_num , float Reference_Voltage_ )
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{
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/**********************************************************************************************************************/
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DMA_InitTypeDef DMA_InitStructure;
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ADC_InitTypeDef ADC_InitStructure;
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uint8_t ADC_Channel_Num;
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |RCC_APB2Periph_GPIOC, ENABLE);
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,ENABLE);
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/**********************************************************************************************************************/
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ADC_EN_NUM = adc_num;
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Reference_Voltage = Reference_Voltage_;
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DMA_DeInit(DMA1_Channel1);
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DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; //ADC address
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DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC_Sample_Value;//RAM address
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DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
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DMA_InitStructure.DMA_BufferSize = adc_num+1;//plus 1 is for the temperature adc.
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DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;//Peripherals fixed address
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DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //RAM fixed address
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DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
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DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
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DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //cycle transmission
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DMA_InitStructure.DMA_Priority = DMA_Priority_High;
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DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
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DMA_Init(DMA1_Channel1, &DMA_InitStructure);
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DMA_Cmd(DMA1_Channel1, ENABLE);
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/* ADC1 configuration */
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ADC_InitStructure.ADC_Mode = ADC_Mode_RegSimult; //indepedent ADC mode
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ADC_InitStructure.ADC_ScanConvMode = ENABLE ; //enable scan mode, scan mode used by multi-channel collect
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ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //enable continuous convert mode
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ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //not use external interrupt to start convert
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ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //collect data Align Right
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ADC_InitStructure.ADC_NbrOfChannel = adc_num+1; //number of channel need be convert
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ADC_Init(ADC1, &ADC_InitStructure);
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/*configure ADC clock, the frequency must below 14MHz*/
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RCC_ADCCLKConfig(RCC_PCLK2_Div6);
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ADC_DMACmd(ADC1, ENABLE);
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ADC_Cmd(ADC1, ENABLE);
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ADC_Channel_Num=0;
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//if ADC0 enable
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if( ( (adc_channel >> 0) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_0, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC1 enable
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if( ( (adc_channel >> 1) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_1, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC2 enable
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if( ( (adc_channel >> 2) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_2, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC3 enable
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if( ( (adc_channel >> 3) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_3, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC4 enable
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if( ( (adc_channel >> 4) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_4, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC5 enable
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if( ( (adc_channel >> 5) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_5, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC6 enable
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if( ( (adc_channel >> 6) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_6, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC7 enable
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if( ( (adc_channel >> 7) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_7, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC8 enable
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if( ( (adc_channel >> 8) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_8, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC9 enable
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if( ( (adc_channel >> 9) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_9, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC10 enable
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if( ( (adc_channel >> 10) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_10, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC11 enable
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if( ( (adc_channel >> 11) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_11, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC12 enable
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if( ( (adc_channel >> 12) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_12, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC13 enable
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if( ( (adc_channel >> 13) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_13, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC14 enable
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if( ( (adc_channel >> 14) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_14, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//if ADC15 enable
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if( ( (adc_channel >> 15) & 0x0001) == 1) {
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_15, ++ADC_Channel_Num , ADC_SampleTime_55Cycles5);
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}
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//the channel16 is always enable
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//set collect channel IN16,set collect time
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ADC_RegularChannelConfig(ADC1, ADC_Channel_16, ++ADC_Channel_Num , ADC_SampleTime_239Cycles5); //set collect channel IN16,set collect time
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ADC_TempSensorVrefintCmd(ENABLE); //enable inner standard voltage and temperture sensor
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ADC_DMACmd(ADC1, ENABLE);
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ADC_Cmd(ADC1, ENABLE);
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ADC_ResetCalibration(ADC1);
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while(ADC_GetResetCalibrationStatus(ADC1));
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ADC_StartCalibration(ADC1);
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while(ADC_GetCalibrationStatus(ADC1));
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ADC_SoftwareStartConvCmd(ADC1, ENABLE); /* because not using external interrupt to start collect, using software to start */
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}
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float PB_Get_ADC_Output(uint8_t n)
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{
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float ADC_Standard_Value = 0;
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if(n <= ADC_EN_NUM + 1)
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{
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ADC_Standard_Value = ( (float)ADC_Sample_Value[n-1]/4096 ) * (float)Reference_Voltage;
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}
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return ADC_Standard_Value;
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}
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#define ADC1_DR_Address ((u32)0x40012400+0x4c)
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#define V25 0x6EE
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#define AVG_SLOPE 0x05
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float PB_Get_CPU_Temperature(void)
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{
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cpu_temperature = 0.8f*cpu_temperature + 0.2f*(((float)V25- PB_Get_ADC_Output(ADC_EN_NUM + 1)) / (float)AVG_SLOPE+25) ;
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return cpu_temperature;
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}
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void PB_DAC_Init(uint8_t channel_x)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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DAC_InitTypeDef DAC_InitType;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE ); //enable PORTA clock
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE ); //enable DAC clock
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DAC_InitType.DAC_Trigger=DAC_Trigger_None; //disable trigger, TEN1=0
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DAC_InitType.DAC_WaveGeneration=DAC_WaveGeneration_None;//disable wave generate
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DAC_InitType.DAC_LFSRUnmask_TriangleAmplitude=DAC_LFSRUnmask_Bit0;//mask amplitude set
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DAC_InitType.DAC_OutputBuffer=DAC_OutputBuffer_Disable ; //disable DAC1 output cache, BOFF1=1
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if(channel_x == DAC_Channel_1)
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{
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; // GPIO configuration
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //Analog Input
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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GPIO_SetBits(GPIOA,GPIO_Pin_4) ; //PA.4 High output
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DAC_Init(DAC_Channel_1,&DAC_InitType); //initialize DAC output channel1
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DAC_Cmd(DAC_Channel_1, ENABLE);
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DAC_SetChannel1Data(DAC_Align_12b_R, 0); //12 Bits align right mode to set value of DAC
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}
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else if(channel_x == DAC_Channel_2)
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{
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; // GPIO Configuration
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //Analog Input
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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GPIO_SetBits(GPIOA,GPIO_Pin_5) ; //PA.4 High output
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DAC_Init(DAC_Channel_2,&DAC_InitType); //initialize DAC output channel1
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DAC_Cmd(DAC_Channel_2, ENABLE);
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DAC_SetChannel2Data(DAC_Align_12b_R, 0); //12 Bits align right mode to set value of DAC
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}
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}
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void PB_DAC_Set_Vol(uint8_t channel_x , uint16_t vol)
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{
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float temp=vol;
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temp/=1000;
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temp=temp*4096/(float)3.3;
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if( channel_x == DAC_Channel_1){
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DAC_SetChannel1Data(DAC_Align_12b_R,temp);//12 Bits align right mode to set value of DAC
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}
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else if(channel_x == DAC_Channel_2){
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DAC_SetChannel2Data(DAC_Align_12b_R,temp);//12 Bits align right mode to set value of DAC
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}
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}
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#ifdef __cplusplus
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}
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#endif
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