344 lines
8.0 KiB
C
344 lines
8.0 KiB
C
|
#include "stm32f10x.h"
|
|||
|
|
#include "OLED_Font.h"
|
|||
|
|
|
|||
|
|
|
|||
|
|
#define OLED_SCL_GPIO_PORT (GPIOB)
|
|||
|
|
#define OLED_SCL_GPIO_PIN (GPIO_Pin_3)
|
|||
|
|
#define OLED_SCL_GPIO_RCC (RCC_APB2Periph_GPIOB)
|
|||
|
|
|
|||
|
|
#define OLED_SDA_GPIO_PORT (GPIOB)
|
|||
|
|
#define OLED_SDA_GPIO_PIN (GPIO_Pin_4)
|
|||
|
|
#define OLED_SDA_GPIO_RCC (RCC_APB2Periph_GPIOB)
|
|||
|
|
|
|||
|
|
|
|||
|
|
/*引脚配置*/
|
|||
|
|
#define OLED_W_SCL(x) GPIO_WriteBit(OLED_SCL_GPIO_PORT, OLED_SCL_GPIO_PIN, (BitAction)(x))
|
|||
|
|
#define OLED_W_SDA(x) GPIO_WriteBit(OLED_SDA_GPIO_PORT, OLED_SDA_GPIO_PIN, (BitAction)(x))
|
|||
|
|
|
|||
|
|
/*引脚初始化*/
|
|||
|
|
void OLED_I2C_Init(void)
|
|||
|
|
{
|
|||
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|||
|
|
|
|||
|
|
// 开启 AFIO 时钟（必须）
|
|||
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
|
|||
|
|
|
|||
|
|
// 禁用 JTAG 功能，保留 SWD 调试（PA13/PA14 仍可用）
|
|||
|
|
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
|
|||
|
|
|
|||
|
|
|
|||
|
|
RCC_APB2PeriphClockCmd(OLED_SCL_GPIO_RCC, ENABLE);
|
|||
|
|
RCC_APB2PeriphClockCmd(OLED_SDA_GPIO_RCC, ENABLE);
|
|||
|
|
|
|||
|
|
|
|||
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
|
|||
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|||
|
|
GPIO_InitStructure.GPIO_Pin = OLED_SCL_GPIO_PIN;
|
|||
|
|
GPIO_Init(OLED_SCL_GPIO_PORT, &GPIO_InitStructure);
|
|||
|
|
|
|||
|
|
|
|||
|
|
GPIO_InitStructure.GPIO_Pin = OLED_SDA_GPIO_PIN;
|
|||
|
|
GPIO_Init(OLED_SDA_GPIO_PORT, &GPIO_InitStructure);
|
|||
|
|
|
|||
|
|
OLED_W_SCL(1);
|
|||
|
|
OLED_W_SDA(1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief I2C开始
|
|||
|
|
* @param 无
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_I2C_Start(void)
|
|||
|
|
{
|
|||
|
|
OLED_W_SDA(1);
|
|||
|
|
OLED_W_SCL(1);
|
|||
|
|
OLED_W_SDA(0);
|
|||
|
|
OLED_W_SCL(0);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief I2C停止
|
|||
|
|
* @param 无
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_I2C_Stop(void)
|
|||
|
|
{
|
|||
|
|
OLED_W_SDA(0);
|
|||
|
|
OLED_W_SCL(1);
|
|||
|
|
OLED_W_SDA(1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief I2C发送一个字节
|
|||
|
|
* @param Byte 要发送的一个字节
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_I2C_SendByte(uint8_t Byte)
|
|||
|
|
{
|
|||
|
|
uint8_t i;
|
|||
|
|
for (i = 0; i < 8; i++)
|
|||
|
|
{
|
|||
|
|
OLED_W_SDA(!!(Byte & (0x80 >> i)));
|
|||
|
|
OLED_W_SCL(1);
|
|||
|
|
OLED_W_SCL(0);
|
|||
|
|
}
|
|||
|
|
OLED_W_SCL(1); //额外的一个时钟，不处理应答信号
|
|||
|
|
OLED_W_SCL(0);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED写命令
|
|||
|
|
* @param Command 要写入的命令
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_WriteCommand(uint8_t Command)
|
|||
|
|
{
|
|||
|
|
OLED_I2C_Start();
|
|||
|
|
OLED_I2C_SendByte(0x78); //从机地址
|
|||
|
|
OLED_I2C_SendByte(0x00); //写命令
|
|||
|
|
OLED_I2C_SendByte(Command);
|
|||
|
|
OLED_I2C_Stop();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED写数据
|
|||
|
|
* @param Data 要写入的数据
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_WriteData(uint8_t Data)
|
|||
|
|
{
|
|||
|
|
OLED_I2C_Start();
|
|||
|
|
OLED_I2C_SendByte(0x78); //从机地址
|
|||
|
|
OLED_I2C_SendByte(0x40); //写数据
|
|||
|
|
OLED_I2C_SendByte(Data);
|
|||
|
|
OLED_I2C_Stop();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED设置光标位置
|
|||
|
|
* @param Y 以左上角为原点，向下方向的坐标，范围：0~7
|
|||
|
|
* @param X 以左上角为原点，向右方向的坐标，范围：0~127
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_SetCursor(uint8_t Y, uint8_t X)
|
|||
|
|
{
|
|||
|
|
OLED_WriteCommand(0xB0 | Y); //设置Y位置
|
|||
|
|
OLED_WriteCommand(0x10 | ((X & 0xF0) >> 4)); //设置X位置高4位
|
|||
|
|
OLED_WriteCommand(0x00 | (X & 0x0F)); //设置X位置低4位
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED清屏
|
|||
|
|
* @param 无
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_Clear(void)
|
|||
|
|
{
|
|||
|
|
uint8_t i, j;
|
|||
|
|
for (j = 0; j < 8; j++)
|
|||
|
|
{
|
|||
|
|
OLED_SetCursor(j, 0);
|
|||
|
|
for(i = 0; i < 128; i++)
|
|||
|
|
{
|
|||
|
|
OLED_WriteData(0x00);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED显示一个字符
|
|||
|
|
* @param Line 行位置，范围：1~4
|
|||
|
|
* @param Column 列位置，范围：1~16
|
|||
|
|
* @param Char 要显示的一个字符，范围：ASCII可见字符
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char)
|
|||
|
|
{
|
|||
|
|
uint8_t i;
|
|||
|
|
OLED_SetCursor((Line - 1) * 2, (Column - 1) * 8); //设置光标位置在上半部分
|
|||
|
|
for (i = 0; i < 8; i++)
|
|||
|
|
{
|
|||
|
|
OLED_WriteData(OLED_F8x16[Char - ' '][i]); //显示上半部分内容
|
|||
|
|
}
|
|||
|
|
OLED_SetCursor((Line - 1) * 2 + 1, (Column - 1) * 8); //设置光标位置在下半部分
|
|||
|
|
for (i = 0; i < 8; i++)
|
|||
|
|
{
|
|||
|
|
OLED_WriteData(OLED_F8x16[Char - ' '][i + 8]); //显示下半部分内容
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED显示字符串
|
|||
|
|
* @param Line 起始行位置，范围：1~4
|
|||
|
|
* @param Column 起始列位置，范围：1~16
|
|||
|
|
* @param String 要显示的字符串，范围：ASCII可见字符
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_ShowString(uint8_t Line, uint8_t Column, char *String)
|
|||
|
|
{
|
|||
|
|
uint8_t i;
|
|||
|
|
for (i = 0; String[i] != '\0'; i++)
|
|||
|
|
{
|
|||
|
|
OLED_ShowChar(Line, Column + i, String[i]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED次方函数
|
|||
|
|
* @retval 返回值等于X的Y次方
|
|||
|
|
*/
|
|||
|
|
uint32_t OLED_Pow(uint32_t X, uint32_t Y)
|
|||
|
|
{
|
|||
|
|
uint32_t Result = 1;
|
|||
|
|
while (Y--)
|
|||
|
|
{
|
|||
|
|
Result *= X;
|
|||
|
|
}
|
|||
|
|
return Result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED显示数字（十进制，正数）
|
|||
|
|
* @param Line 起始行位置，范围：1~4
|
|||
|
|
* @param Column 起始列位置，范围：1~16
|
|||
|
|
* @param Number 要显示的数字，范围：0~4294967295
|
|||
|
|
* @param Length 要显示数字的长度，范围：1~10
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_ShowNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
|
|||
|
|
{
|
|||
|
|
uint8_t i;
|
|||
|
|
for (i = 0; i < Length; i++)
|
|||
|
|
{
|
|||
|
|
OLED_ShowChar(Line, Column + i, Number / OLED_Pow(10, Length - i - 1) % 10 + '0');
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED显示数字（十进制，带符号数）
|
|||
|
|
* @param Line 起始行位置，范围：1~4
|
|||
|
|
* @param Column 起始列位置，范围：1~16
|
|||
|
|
* @param Number 要显示的数字，范围：-2147483648~2147483647
|
|||
|
|
* @param Length 要显示数字的长度，范围：1~10
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_ShowSignedNum(uint8_t Line, uint8_t Column, int32_t Number, uint8_t Length)
|
|||
|
|
{
|
|||
|
|
uint8_t i;
|
|||
|
|
uint32_t Number1;
|
|||
|
|
if (Number >= 0)
|
|||
|
|
{
|
|||
|
|
OLED_ShowChar(Line, Column, '+');
|
|||
|
|
Number1 = Number;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
OLED_ShowChar(Line, Column, '-');
|
|||
|
|
Number1 = -Number;
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < Length; i++)
|
|||
|
|
{
|
|||
|
|
OLED_ShowChar(Line, Column + i + 1, Number1 / OLED_Pow(10, Length - i - 1) % 10 + '0');
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED显示数字（十六进制，正数）
|
|||
|
|
* @param Line 起始行位置，范围：1~4
|
|||
|
|
* @param Column 起始列位置，范围：1~16
|
|||
|
|
* @param Number 要显示的数字，范围：0~0xFFFFFFFF
|
|||
|
|
* @param Length 要显示数字的长度，范围：1~8
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_ShowHexNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
|
|||
|
|
{
|
|||
|
|
uint8_t i, SingleNumber;
|
|||
|
|
for (i = 0; i < Length; i++)
|
|||
|
|
{
|
|||
|
|
SingleNumber = Number / OLED_Pow(16, Length - i - 1) % 16;
|
|||
|
|
if (SingleNumber < 10)
|
|||
|
|
{
|
|||
|
|
OLED_ShowChar(Line, Column + i, SingleNumber + '0');
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
OLED_ShowChar(Line, Column + i, SingleNumber - 10 + 'A');
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED显示数字（二进制，正数）
|
|||
|
|
* @param Line 起始行位置，范围：1~4
|
|||
|
|
* @param Column 起始列位置，范围：1~16
|
|||
|
|
* @param Number 要显示的数字，范围：0~1111 1111 1111 1111
|
|||
|
|
* @param Length 要显示数字的长度，范围：1~16
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_ShowBinNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
|
|||
|
|
{
|
|||
|
|
uint8_t i;
|
|||
|
|
for (i = 0; i < Length; i++)
|
|||
|
|
{
|
|||
|
|
OLED_ShowChar(Line, Column + i, Number / OLED_Pow(2, Length - i - 1) % 2 + '0');
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief OLED初始化
|
|||
|
|
* @param 无
|
|||
|
|
* @retval 无
|
|||
|
|
*/
|
|||
|
|
void OLED_Init(void)
|
|||
|
|
{
|
|||
|
|
uint32_t i, j;
|
|||
|
|
|
|||
|
|
for (i = 0; i < 1000; i++) //上电延时
|
|||
|
|
{
|
|||
|
|
for (j = 0; j < 1000; j++);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
OLED_I2C_Init(); //端口初始化
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xAE); //关闭显示
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xD5); //设置显示时钟分频比/振荡器频率
|
|||
|
|
OLED_WriteCommand(0x80);
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xA8); //设置多路复用率
|
|||
|
|
OLED_WriteCommand(0x3F);
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xD3); //设置显示偏移
|
|||
|
|
OLED_WriteCommand(0x00);
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0x40); //设置显示开始行
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xA1); //设置左右方向，0xA1正常 0xA0左右反置
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xC8); //设置上下方向，0xC8正常 0xC0上下反置
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xDA); //设置COM引脚硬件配置
|
|||
|
|
OLED_WriteCommand(0x12);
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0x81); //设置对比度控制
|
|||
|
|
OLED_WriteCommand(0xCF);
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xD9); //设置预充电周期
|
|||
|
|
OLED_WriteCommand(0xF1);
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xDB); //设置VCOMH取消选择级别
|
|||
|
|
OLED_WriteCommand(0x30);
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xA4); //设置整个显示打开/关闭
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xA6); //设置正常/倒转显示
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0x8D); //设置充电泵
|
|||
|
|
OLED_WriteCommand(0x14);
|
|||
|
|
|
|||
|
|
OLED_WriteCommand(0xAF); //开启显示
|
|||
|
|
|
|||
|
|
OLED_Clear(); //OLED清屏
|
|||
|
|
}
|