stm32f103c8t6驱动6线oled(spi通讯)

要驱动STM32F103C8T6与6线OLED（SPI通讯），首先需要在STM32F103C8T6上配置SPI接口。以下是驱动的步骤：

1.初始化SPI接口：配置STM32F103C8T6的SPI参数，如模式、主从模式、数据大小和时钟极性等。选择正确的时钟频率以匹配OLED的要求。

2.初始化GPIO引脚：配置SPI对应的GPIO引脚，确保它们正确地连接到OLED上。具体引脚需要根据OLED的规格手册来确定。

3.初始化OLED：通过SPI向OLED发送初始化命令和参数，以确保OLED处于正确的工作模式。这些初始化命令通常包括设置显示模式、显示偏移、对比度和扫描方向等。

4.发送数据：一旦初始化完成，可以通过SPI发送显示数据到OLED。将要显示的图像数据通过SPI传输到OLED的显存中，OLED将按照接收到的数据进行更新显示。

5.关闭OLED：如果需要，可以通过发送相应的指令关闭OLED。这通常是通过发送关机命令来实现的。

需要注意的是，驱动OLED还需要根据具体的OLED规格手册来编写特定的驱动代码。这些代码将操作STM32F103C8T6的SPI接口和相应的寄存器，以达到控制6线OLED的效果。

相关问题

stm32f103c8t6驱动四脚oled

STM32F103C8T6是一款常用的单片机，而OLED是一种常见的显示屏。驱动四脚OLED需要以下步骤：

1. 硬件连接：将OLED的四个引脚（VCC、GND、SCL、SDA）连接到STM32F103C8T6的相应引脚上。VCC连接到3.3V电源，GND连接到地，SCL连接到STM32的2C时钟引脚，SDA连接STM32的I2C数据引脚。

2. 初始化I2C：在STM32F103C8T6上初始化I2C总线，设置时钟频率和其他参数。

3. 编写驱动程序：根据OLED的通信协议（通常是I2C或SPI），编写相应的驱动程序。对于I2C通信，需要发送特定的命令和数据来控制OLED的显示内容。

4. 显示内容：通过调用驱动程序提供的接口，向OLED发送要显示的内容，如文字、图像等。

需要注意的是，具体的驱动程序实现可能因不同的OLED型号而有所差异，因此建议参考OLED厂商提供的文档或示例代码来进行具体的驱动开发。

基于stm32f103c8t6驱动ssd1306oled显示图像代码

以下是基于STM32F103C8T6驱动SSD1306 OLED显示图像的代码：

#include "stm32f10x.h"
#include "stm32f10x_spi.h"
#include "stm32f10x_gpio.h"
#include "stm32f10x_rcc.h"

#define OLED_CS_H() GPIO_SetBits(GPIOB, GPIO_Pin_12)
#define OLED_CS_L() GPIO_ResetBits(GPIOB, GPIO_Pin_12)
#define OLED_DC_H() GPIO_SetBits(GPIOB, GPIO_Pin_10)
#define OLED_DC_L() GPIO_ResetBits(GPIOB, GPIO_Pin_10)
#define OLED_RST_H() GPIO_SetBits(GPIOB, GPIO_Pin_11)
#define OLED_RST_L() GPIO_ResetBits(GPIOB, GPIO_Pin_11)

void SPI_Configuration(void)
{
  SPI_InitTypeDef  SPI_InitStructure;
  GPIO_InitTypeDef GPIO_InitStructure;
  
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
  
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
  
  SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
  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_4;
  SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
  SPI_Init(SPI1, &SPI_InitStructure);
  
  SPI_Cmd(SPI1, ENABLE);
}

void OLED_Init(void)
{
  OLED_RST_L();
  delay_ms(1000);
  OLED_RST_H();
  delay_ms(1000);
  
  OLED_CS_L();
  OLED_DC_L();
  SPI1_Send(0xAE);
  OLED_DC_H();
  SPI1_Send(0x40);
  SPI1_Send(0xB0);
  SPI1_Send(0xC8);
  SPI1_Send(0x81);
  SPI1_Send(0xff);
  SPI1_Send(0xa1);
  SPI1_Send(0xa6);
  SPI1_Send(0xa8);
  SPI1_Send(0x3f);
  SPI1_Send(0xd3);
  SPI1_Send(0x00);
  SPI1_Send(0xd5);
  SPI1_Send(0x80);
  SPI1_Send(0xd9);
  SPI1_Send(0xf1);
  SPI1_Send(0xda);
  SPI1_Send(0x12);
  SPI1_Send(0xdb);
  SPI1_Send(0x40);
  SPI1_Send(0x20);
  SPI1_Send(0x00);
  SPI1_Send(0x21);
  SPI1_Send(0x00);
  SPI1_Send(0x7f);
  SPI1_Send(0x22);
  SPI1_Send(0x00);
  SPI1_Send(0x07);
  OLED_DC_L();
  SPI1_Send(0xA4);
  OLED_DC_H();
  SPI1_Send(0xAF);
  OLED_CS_H();
}

void OLED_Display_On(void)
{
  OLED_CS_L();
  OLED_DC_L();
  SPI1_Send(0xAE);
  OLED_DC_H();
  SPI1_Send(0xAF);
  OLED_CS_H();
}

void OLED_Display_Off(void)
{
  OLED_CS_L();
  OLED_DC_L();
  SPI1_Send(0xAE);
  OLED_CS_H();
}

void OLED_Clear(void)
{
  uint8_t i, j;
  
  OLED_CS_L();
  for (i = 0; i < 8; i++)
  {
    OLED_DC_L();
    SPI1_Send(0xb0 + i);
    SPI1_Send(0x00);
    SPI1_Send(0x10);
    OLED_DC_H();
    for (j = 0; j < 128; j++)
    {
      SPI1_Send(0);
    }
  }
  OLED_CS_H();
}

void OLED_DrawPixel(uint8_t x, uint8_t y)
{
  uint8_t page = y / 8;
  uint8_t shift = y % 8;
  
  OLED_CS_L();
  OLED_DC_L();
  SPI1_Send(0xb0 + page);
  SPI1_Send(0x00 + (x & 0x0f));
  SPI1_Send(0x10 + ((x >> 4) & 0x0f));
  OLED_DC_H();
  SPI1_Send(1 << shift);
  OLED_CS_H();
}

void OLED_DrawLine(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2)
{
  uint8_t steep = abs(y2 - y1) > abs(x2 - x1);
  uint8_t dx, dy;
  int8_t err, ystep;
  
  if (steep)
  {
    swap(x1, y1);
    swap(x2, y2);
  }
  
  if (x1 > x2)
  {
    swap(x1, x2);
    swap(y1, y2);
  }
  
  dx = x2 - x1;
  dy = abs(y2 - y1);
  err = dx / 2;
  
  if (y1 < y2)
  {
    ystep = 1;
  }
  else
  {
    ystep = -1;
  }
  
  for (; x1 <= x2; x1++)
  {
    if (steep)
    {
      OLED_DrawPixel(y1, x1);
    }
    else
    {
      OLED_DrawPixel(x1, y1);
    }
    err -= dy;
    if (err < 0)
    {
      y1 += ystep;
      err += dx;
    }
  }
}

void OLED_DrawRect(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2)
{
  OLED_DrawLine(x1, y1, x2, y1);
  OLED_DrawLine(x1, y1, x1, y2);
  OLED_DrawLine(x2, y1, x2, y2);
  OLED_DrawLine(x1, y2, x2, y2);
}

void OLED_DrawCircle(int16_t x0, int16_t y0, int16_t r)
{
  int16_t x = 0, y = r;
  int16_t d = 3 - 2 * r;
  
  while (x <= y)
  {
    OLED_DrawPixel(x0 + x, y0 + y);
    OLED_DrawPixel(x0 + x, y0 - y);
    OLED_DrawPixel(x0 - x, y0 + y);
    OLED_DrawPixel(x0 - x, y0 - y);
    OLED_DrawPixel(x0 + y, y0 + x);
    OLED_DrawPixel(x0 + y, y0 - x);
    OLED_DrawPixel(x0 - y, y0 + x);
    OLED_DrawPixel(x0 - y, y0 - x);
    
    if (d < 0)
    {
      d += 4 * x + 6;
    }
    else
    {
      d += 4 * (x - y) + 10;
      y--;
    }
    x++;
  }
}

void OLED_DrawImage(uint8_t *image)
{
  uint8_t i, j;
  
  OLED_CS_L();
  for (i = 0; i < 8; i++)
  {
    OLED_DC_L();
    SPI1_Send(0xb0 + i);
    SPI1_Send(0x00);
    SPI1_Send(0x10);
    OLED_DC_H();
    for (j = 0; j < 128; j++)
    {
      SPI1_Send(image[i * 128 + j]);
    }
  }
  OLED_CS_H();
}

int main(void)
{
  SPI_Configuration();
  OLED_Init();
  OLED_Display_On();
  OLED_Clear();
  
  uint8_t image[1024] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
                         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
  
  OLED_DrawImage(image);
  
  while (1)
  {
  }
}

void SPI1_Send(uint8_t data)
{
  while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET);
  SPI_I2S_SendData(SPI1, data);
  while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET);
  SPI_I2S_ReceiveData(SPI1);
}

void delay_ms(uint16_t ms)
{
  uint32_t i;
  for (i = 0; i < ms * 8000; i++);
}

需要注意的是，这只是一个简单的例子，实际开发需要根据具体的需求编写更加复杂的程序。同时，需要根据具体的OLED屏幕和STM32微控制器型号，选择相应的驱动程序和通信协议。