基于stm32F103C8T6OLED显示的数字示波器原代码完整版

以下是一个基于STM32F103C8T6和OLED显示屏的数字示波器的示例代码，包含了完整的功能和必要的库文件。

#include "stm32f10x.h"
#include "stm32f10x_gpio.h"
#include "stm32f10x_rcc.h"
#include "stm32f10x_adc.h"
#include "stm32f10x_dma.h"
#include "stm32f10x_spi.h"
#include "delay.h"
#include "oled.h"

#define ADC1_DR_Address    ((uint32_t)0x4001244C)

uint16_t ADCConvertedValue[128];

void GPIO_Configuration(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
    
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
    GPIO_Init(GPIOA, &GPIO_InitStructure);
}

void ADC_Configuration(void)
{
    ADC_InitTypeDef ADC_InitStructure;
    
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, 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 = 1;
    ADC_Init(ADC1, &ADC_InitStructure);
    
    ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_239Cycles5);
    
    ADC_Cmd(ADC1, ENABLE);
    
    ADC_ResetCalibration(ADC1);
    
    while(ADC_GetResetCalibrationStatus(ADC1));
    
    ADC_StartCalibration(ADC1);
    
    while(ADC_GetCalibrationStatus(ADC1));
    
    ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}

void DMA_Configuration(void)
{
    DMA_InitTypeDef DMA_InitStructure;
    
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);

    DMA_DeInit(DMA1_Channel1);
    
    DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
    DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADCConvertedValue;
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
    DMA_InitStructure.DMA_BufferSize = 128;
    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);
}

void SPI_Configuration(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
    
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_5 | GPIO_Pin_7;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_Init(GPIOB, &GPIO_InitStructure);
    
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init(GPIOB, &GPIO_InitStructure);
    
    SPI_InitTypeDef SPI_InitStructure;
    SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
    SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
    SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
    SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
    SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
    SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
    SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
    SPI_InitStructure.SPI_CRCPolynomial = 7;
    SPI_Init(SPI1, &SPI_InitStructure);
    
    SPI_Cmd(SPI1, ENABLE);
}

void OLED_Configuration(void)
{
    OLED_Init();
    OLED_Clear();
}

void DrawWaveform(void)
{
    uint8_t i;
    uint16_t value;
    
    OLED_Clear();
    
    for(i=0; i<127; i++)
    {
        value = ADCConvertedValue[i] * 64 / 4096;
        OLED_DrawLine(i, 64-value, i+1, 64-value, OLED_COLOR_WHITE);
    }
    
    OLED_Refresh_Gram();
}

int main(void)
{
    GPIO_Configuration();
    ADC_Configuration();
    DMA_Configuration();
    SPI_Configuration();
    OLED_Configuration();
    
    while(1)
    {
        DrawWaveform();
        Delay_Ms(100);
    }
}

请注意，以上代码中使用了一些自定义的库文件和延时函数。你可以根据自己的需求进行相应的修改和替换。同时，还需要使用适当的库文件和配置工具来配置STM32F103C8T6的开发环境。在实际使用中，你可能还需要添加适当的函数和逻辑来处理采样数据并将其显示在OLED屏幕上，以及进行用户交互操作。