STM32 模拟信号采集

【实例截图】

【文件目录】

8路信号采集板_V1.0

├── CMSIS
│   ├── core_cm3.c
│   ├── core_cm3.h
│   ├── startup
│   │   ├── startup_stm32f10x_cl.s
│   │   ├── startup_stm32f10x_hd.s
│   │   ├── startup_stm32f10x_hd_vl.s
│   │   ├── startup_stm32f10x_ld.s
│   │   ├── startup_stm32f10x_ld_vl.s
│   │   ├── startup_stm32f10x_md.s
│   │   ├── startup_stm32f10x_md_vl.s
│   │   └── startup_stm32f10x_xl.s
│   ├── stm32f10x.h
│   ├── system_stm32f10x.c
│   └── system_stm32f10x.h
├── FWlib
│   ├── inc
│   │   ├── misc.h
│   │   ├── stm32f10x_adc.h
│   │   ├── stm32f10x_bkp.h
│   │   ├── stm32f10x_can.h
│   │   ├── stm32f10x_cec.h
│   │   ├── stm32f10x_crc.h
│   │   ├── stm32f10x_dac.h
│   │   ├── stm32f10x_dbgmcu.h
│   │   ├── stm32f10x_dma.h
│   │   ├── stm32f10x_exti.h
│   │   ├── stm32f10x_flash.h
│   │   ├── stm32f10x_fsmc.h
│   │   ├── stm32f10x_gpio.h
│   │   ├── stm32f10x_i2c.h
│   │   ├── stm32f10x_iwdg.h
│   │   ├── stm32f10x_pwr.h
│   │   ├── stm32f10x_rcc.h
│   │   ├── stm32f10x_rtc.h
│   │   ├── stm32f10x_sdio.h
│   │   ├── stm32f10x_spi.h
│   │   ├── stm32f10x_tim.h
│   │   ├── stm32f10x_usart.h
│   │   └── stm32f10x_wwdg.h
│   └── src
│       ├── misc.c
│       ├── stm32f10x_adc.c
│       ├── stm32f10x_bkp.c
│       ├── stm32f10x_can.c
│       ├── stm32f10x_cec.c
│       ├── stm32f10x_crc.c
│       ├── stm32f10x_dac.c
│       ├── stm32f10x_dbgmcu.c
│       ├── stm32f10x_dma.c
│       ├── stm32f10x_exti.c
│       ├── stm32f10x_flash.c
│       ├── stm32f10x_fsmc.c
│       ├── stm32f10x_gpio.c
│       ├── stm32f10x_i2c.c
│       ├── stm32f10x_iwdg.c
│       ├── stm32f10x_pwr.c
│       ├── stm32f10x_rcc.c
│       ├── stm32f10x_rtc.c
│       ├── stm32f10x_sdio.c
│       ├── stm32f10x_spi.c
│       ├── stm32f10x_tim.c
│       ├── stm32f10x_usart.c
│       └── stm32f10x_wwdg.c
├── Listing
│   ├── STM32-DEMO.map
│   └── startup_stm32f10x_hd.lst
├── Output
│   ├── ExtDll.iex
│   ├── STM32-DEMO.axf
│   ├── STM32-DEMO.build_log.htm
│   ├── STM32-DEMO.hex
│   ├── STM32-DEMO.htm
│   ├── STM32-DEMO.lnp
│   ├── STM32-DEMO.plg
│   ├── STM32-DEMO.sct
│   ├── STM32-DEMO.tra
│   ├── STM32-DEMO_ADC1-DEMO.dep
│   ├── STM32-DEMO_sct.Bak
│   ├── adc.crf
│   ├── adc.d
│   ├── adc.o
│   ├── core_cm3.crf
│   ├── core_cm3.d
│   ├── core_cm3.o
│   ├── delay.crf
│   ├── delay.d
│   ├── delay.o
│   ├── flash.crf
│   ├── flash.d
│   ├── flash.o
│   ├── key.crf
│   ├── key.d
│   ├── key.o
│   ├── led.__i
│   ├── led.crf
│   ├── led.d
│   ├── main.crf
│   ├── main.d
│   ├── main.o
│   ├── misc.crf
│   ├── misc.d
│   ├── misc.o
│   ├── oled_i2c.crf
│   ├── oled_i2c.d
│   ├── oled_i2c.o
│   ├── startup_stm32f10x_hd.d
│   ├── startup_stm32f10x_hd.o
│   ├── stm32f10x_adc.crf
│   ├── stm32f10x_adc.d
│   ├── stm32f10x_adc.o
│   ├── stm32f10x_dma.crf
│   ├── stm32f10x_dma.d
│   ├── stm32f10x_dma.o
│   ├── stm32f10x_flash.crf
│   ├── stm32f10x_flash.d
│   ├── stm32f10x_flash.o
│   ├── stm32f10x_gpio.crf
│   ├── stm32f10x_gpio.d
│   ├── stm32f10x_gpio.o
│   ├── stm32f10x_i2c.crf
│   ├── stm32f10x_i2c.d
│   ├── stm32f10x_i2c.o
│   ├── stm32f10x_it.crf
│   ├── stm32f10x_it.d
│   ├── stm32f10x_it.o
│   ├── stm32f10x_rcc.crf
│   ├── stm32f10x_rcc.d
│   ├── stm32f10x_rcc.o
│   ├── stm32f10x_tim.crf
│   ├── stm32f10x_tim.d
│   ├── stm32f10x_tim.o
│   ├── stm32f10x_usart.crf
│   ├── stm32f10x_usart.d
│   ├── stm32f10x_usart.o
│   ├── system_stm32f10x.crf
│   ├── system_stm32f10x.d
│   ├── system_stm32f10x.o
│   ├── time.crf
│   ├── time.d
│   ├── time.o
│   ├── usart1.crf
│   ├── usart1.d
│   └── usart1.o
└── USER
    ├── JLink Regs CM3.txt
    ├── JLinkLog.txt
    ├── JLinkSettings.ini
    ├── OLED_I2C.c
    ├── OLED_I2C.h
    ├── STM32-DEMO.plg
    ├── STM32-DEMO.uvgui.JACK
    ├── STM32-DEMO.uvgui.MQ
    ├── STM32-DEMO.uvgui.flyleaf
    ├── STM32-DEMO.uvgui.shoulder
    ├── STM32-DEMO.uvgui_MQ.bak
    ├── STM32-DEMO.uvgui_flyleaf.bak
    ├── STM32-DEMO.uvopt
    ├── STM32-DEMO.uvproj
    ├── STM32-DEMO_ADC1-DEMO.dep
    ├── STM32-DEMO_LED-DEMO.dep
    ├── STM32-DEMO_Target 1.dep
    ├── STM32-DEMO_USART1-DEMO.dep
    ├── STM32-DEMO_uvopt.bak
    ├── STM32-DEMO_uvproj.bak
    ├── adc.c
    ├── adc.h
    ├── codetab.h
    ├── delay.c
    ├── delay.h
    ├── flash.c
    ├── flash.h
    ├── key.c
    ├── key.h
    ├── main.c
    ├── stm32f10x_conf.h
    ├── stm32f10x_it.c
    ├── stm32f10x_it.h
    ├── time.c
    ├── time.h
    ├── usart1.c
    └── usart1.h

8 directories, 174 files

 GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef  ADC_InitStructure;
DMA_InitTypeDef  DMA_InitStructure;

RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0| GPIO_Pin_1|GPIO_Pin_2| GPIO_Pin_3|GPIO_Pin_4| GPIO_Pin_5|GPIO_Pin_6| GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
 GPIO_Init(GPIOA, &GPIO_InitStructure);

//GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
//GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
//GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
// GPIO_Init(GPIOA, &GPIO_InitStructure);
 
  DMA_DeInit(DMA1_Channel1);
  DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
  DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC_RegularConvertedValueTab;
  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
  DMA_InitStructure.DMA_BufferSize = 9;
  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_M2M = DMA_M2M_Disable;
  DMA_Init(DMA1_Channel1, &DMA_InitStructure);
  DMA_Cmd(DMA1_Channel1, ENABLE);
 
  ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
  ADC_InitStructure.ADC_ScanConvMode = ENABLE;
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
  ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfChannel = 9;
  ADC_Init(ADC1, &ADC_InitStructure);
 // /*ÅäÖÃADCʱÖÓ£¬ÎªPCLK2µÄ8·ÖƵ£¬¼´9Hz*/
 RCC_ADCCLKConfig(RCC_PCLK2_Div8);
 ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_55Cycles5);
  ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_55Cycles5);
  ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 3, ADC_SampleTime_55Cycles5);
 ADC_RegularChannelConfig(ADC1, ADC_Channel_3, 4, ADC_SampleTime_55Cycles5);
  ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 5, ADC_SampleTime_55Cycles5);
 ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 6, ADC_SampleTime_55Cycles5);
  ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 7, ADC_SampleTime_55Cycles5);
 ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 8, ADC_SampleTime_55Cycles5);
  ADC_RegularChannelConfig(ADC1, ADC_Channel_16, 9, ADC_SampleTime_55Cycles5);
 
 //ʹÄÜζȴ«¸ÐÆ÷ºÍÄÚ²¿²Î¿¼µçѹ  
  ADC_TempSensorVrefintCmd(ENABLE);
 
   ADC_DMACmd(ADC1, ENABLE);
  ADC_Cmd(ADC1, ENABLE);
  ADC_ResetCalibration(ADC1);
  while(ADC_GetResetCalibrationStatus(ADC1));
 ADC_StartCalibration(ADC1);
  while(ADC_GetCalibrationStatus(ADC1));
  ADC_SoftwareStartConvCmd(ADC1, ENABLE);