STM32学习笔记04-软件IIC,驱动OLED显示屏
从上一节中已经得知了关于GPIO的配置和控制方式,那么就可以根据IIC的时序来实现软件IIC。
编程思路:开启RCC时钟-->配置GPIO-->读写GPIO实现软件模拟IIC-->调用IIC实现OLED驱动
首先我们需要一个Delay函数,因为IIC的速度并不是那么快,这个Delay函数暂不作详细介绍。
Delay.c内容如下:
#include "stm32f10x.h" /** * @brief 微秒级延时 * @param xus 延时时长,范围:0~233015 * @retval 无 */ void Delay_us(uint32_t xus) { SysTick->LOAD = 72 * xus; //设置定时器重装值 SysTick->VAL = 0x00; //清空当前计数值 SysTick->CTRL = 0x00000005; //设置时钟源为HCLK,启动定时器 while(!(SysTick->CTRL & 0x00010000)); //等待计数到0 SysTick->CTRL = 0x00000004; //关闭定时器 } /** * @brief 毫秒级延时 * @param xms 延时时长,范围:0~4294967295 * @retval 无 */ void Delay_ms(uint32_t xms) { while(xms--) { Delay_us(1000); } } /** * @brief 秒级延时 * @param xs 延时时长,范围:0~4294967295 * @retval 无 */ void Delay_s(uint32_t xs) { while(xs--) { Delay_ms(1000); } }
Delay.h内容如下:
#ifndef __DELAY_H #define __DELAY_H void Delay_us(uint32_t us); void Delay_ms(uint32_t ms); void Delay_s(uint32_t s); #endif
接下来就是IIC的实现
I2C.c内容如下:
#include "stm32f10x.h" // Device header #include "I2C.h" void I2C_SDA_IN(void) { GPIO_InitTypeDef GPIO_Initstruct; GPIO_Initstruct.GPIO_Mode=GPIO_Mode_IPU; GPIO_Initstruct.GPIO_Pin=PIN_SDA; GPIO_Initstruct.GPIO_Speed=CLK_SPEED; GPIO_Init(GPIO_I2C,&GPIO_Initstruct); } void I2C_SDA_OUT(void) { GPIO_InitTypeDef GPIO_Initstruct; GPIO_Initstruct.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_Initstruct.GPIO_Pin=PIN_SDA; GPIO_Initstruct.GPIO_Speed=CLK_SPEED; GPIO_Init(GPIO_I2C,&GPIO_Initstruct); } void I2C_Init_(void) { RCC_APB2PeriphClockCmd(RCC_I2C_Periph,ENABLE); GPIO_InitTypeDef GPIO_Initstruct; GPIO_Initstruct.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_Initstruct.GPIO_Pin=PIN_SCL; GPIO_Initstruct.GPIO_Speed=CLK_SPEED; GPIO_Init(GPIO_I2C,&GPIO_Initstruct); I2C_SDA_OUT(); SDA_Set(); SCL_Set(); } void I2C_Start(void) { I2C_SDA_OUT(); SDA_Set(); SCL_Set(); //waitting SDA_Reset(); SCL_Reset(); } void I2C_Stop(void) { I2C_SDA_OUT(); SCL_Reset(); SDA_Reset(); SCL_Set(); //waitting SDA_Set(); } void I2C_Write(uint8_t dat) { uint8_t mask; I2C_SDA_OUT(); for(mask=0x80;mask!=0;mask>>=1) { if((mask&dat)!=0) { SDA_Set(); } else { SDA_Reset(); } SCL_Set(); //waitting SCL_Reset(); } } uint8_t I2C_GetAck(void) { uint8_t ack; I2C_SDA_IN();//释放sda //SDA_Set(); SCL_Set(); //waitting SCL_Reset(); ack=GPIO_ReadInputDataBit(GPIO_I2C,PIN_SDA); return ack; } uint8_t I2C_Read(void) { uint8_t dat=0x00; uint8_t i; I2C_SDA_IN();//释放sda for(i=0;i<8;i++) { SCL_Set(); dat<<=1; if(GPIO_ReadInputDataBit(GPIO_I2C,PIN_SDA)!=0) { dat++; } SCL_Reset(); } return 0; } void I2C_SendAck(void) { I2C_SDA_OUT(); SDA_Reset(); SCL_Set(); SCL_Reset(); } void I2C_SendNAck(void) { I2C_SDA_OUT(); SDA_Set(); SCL_Set(); SCL_Reset(); }
I2C.h内容如下:
#ifndef __I2C_H #define __I2C_H #include "stm32f10x.h" /*配置I2C*/ #define GPIO_SELECT 1 //0=GPIOA,1=GPIOB #define PIN_SDA GPIO_Pin_12 #define PIN_SCL GPIO_Pin_13 #define CLK_SPEED GPIO_Speed_10MHz #if GPIO_SELECT==0 #define GPIO_I2C GPIOA #define RCC_I2C_Periph RCC_APB2Periph_GPIOA #else #define GPIO_I2C GPIOB #define RCC_I2C_Periph RCC_APB2Periph_GPIOB #endif /*设置引脚高低电平*/ #define SCL_Set() GPIO_SetBits(GPIO_I2C,PIN_SCL) #define SCL_Reset() GPIO_ResetBits(GPIO_I2C,PIN_SCL) #define SDA_Set() GPIO_SetBits(GPIO_I2C,PIN_SDA) #define SDA_Reset() GPIO_ResetBits(GPIO_I2C,PIN_SDA) /*I2C函数*/ void I2C_Init_(void); //发送起始信号 void I2C_Start(void); //发送起始信号 void I2C_Stop(void); //发送停止信号 void I2C_Write(uint8_t dat); //发送数据 uint8_t I2C_GetAck(void); //读取ACK,ACK=0,NACK=1 uint8_t I2C_Read(void); //读取数据 void I2C_SendAck(void); //发送ACK void I2C_SendNAck(void); //发送NACK #endif
有了IIC,后面对OLE的驱动就和51一样了,代码中写了一些显示函数,不需要的可以删掉。
OLED.c内容如下:
#include "stm32f10x.h" // Device header #include "I2C.h" #include "OLED.h" #include "OLED_Font.h" void OLED_CMD_Start(void) { I2C_Start(); I2C_Write(OLED_ADDR); I2C_GetAck(); I2C_Write(0x00); I2C_GetAck(); } void OLED_CMD(uint8_t cmd) { I2C_Write(cmd); I2C_GetAck(); } void OLED_END(void) { I2C_Stop(); } void OLED_DAT_Start() { I2C_Start(); I2C_Write(OLED_ADDR); I2C_GetAck(); I2C_Write(0x40); I2C_GetAck(); } void OLED_DAT(uint8_t dat) { I2C_Write(dat); I2C_GetAck(); } void OLED_SetPos(uint8_t x,uint8_t y) { OLED_CMD_Start(); OLED_CMD(0xB0 | y); //设置Y位置 OLED_CMD(0x10 | ((x & 0xF0) >> 4)); //设置X位置高4位 OLED_CMD(0x00 | (x & 0x0F)); //设置X位置低4位 OLED_END(); } void OLED_Fill(uint8_t dat) { uint8_t i,j; for(j=0;j<8;j++) { OLED_SetPos(0,j); OLED_DAT_Start(); for(i=0;i<128;i++) { OLED_DAT(dat); } OLED_END(); } } void OLED_Clean() { OLED_Fill(0x00); } void OLED_Init(void) { OLED_CMD_Start(); OLED_CMD(0xAE); OLED_CMD(0x00); OLED_CMD(0x10); OLED_CMD(0x40); OLED_CMD(0x81); OLED_CMD(0xCF); OLED_CMD(0xA1); OLED_CMD(0xC8); OLED_CMD(0xA6); OLED_CMD(0xA8); OLED_CMD(0x3f); OLED_CMD(0xD3); OLED_CMD(0x00); OLED_CMD(0xd5); OLED_CMD(0x80); OLED_CMD(0xD9); OLED_CMD(0xF1); OLED_CMD(0xDA); OLED_CMD(0x12); OLED_CMD(0xDB); OLED_CMD(0x40); OLED_CMD(0x20); OLED_CMD(0x02); OLED_CMD(0x8D); OLED_CMD(0x14); OLED_CMD(0xA4); OLED_CMD(0xA6); OLED_END(); OLED_Clean(); OLED_CMD_Start(); OLED_CMD(0xAF); OLED_END(); } /** * @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_SetPos((Column-1)*8,(Line-1)*2); OLED_DAT_Start(); for(i=0;i<8;i++) { OLED_DAT(OLED_F8x16[Char-' '][i]); } OLED_END(); OLED_SetPos((Column-1)*8,(Line-1)*2+1); OLED_DAT_Start(); for(i=0;i<8;i++) { OLED_DAT(OLED_F8x16[Char-' '][i+8]); } OLED_END(); } /** * @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'); } }
OLED.h内容如下:
#ifndef __OLED_H #define __OLED_H #define OLED_ADDR 0x78 void OLED_Init(void); void OLED_Fill(uint8_t dat); void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char); void OLED_ShowString(uint8_t Line, uint8_t Column, char *String); void OLED_ShowNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length); void OLED_ShowSignedNum(uint8_t Line, uint8_t Column, int32_t Number, uint8_t Length); void OLED_ShowHexNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length); void OLED_ShowBinNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length); #endif
OLED_Font.h内容如下:
#ifndef __OLED_FONT_H #define __OLED_FONT_H /*OLED字模库,宽8像素,高16像素*/ const uint8_t OLED_F8x16[][16]= { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,// 0 0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//! 1 0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//" 2 0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00, 0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//# 3 0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00, 0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//$ 4 0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00, 0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//% 5 0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00, 0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//& 6 0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//' 7 0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00, 0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//( 8 0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00, 0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//) 9 0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00, 0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//* 10 0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00, 0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+ 11 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//, 12 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//- 13 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//. 14 0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04, 0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,/// 15 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00, 0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//0 16 0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00, 0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//1 17 0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00, 0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//2 18 0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00, 0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//3 19 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00, 0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//4 20 0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00, 0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//5 21 0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00, 0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//6 22 0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00, 0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//7 23 0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00, 0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//8 24 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00, 0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//9 25 0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00, 0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//: 26 0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00, 0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//; 27 0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00, 0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//< 28 0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00, 0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//= 29 0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00, 0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,//> 30 0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00, 0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//? 31 0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00, 0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@ 32 0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00, 0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A 33 0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00, 0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B 34 0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00, 0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C 35 0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00, 0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D 36 0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00, 0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E 37 0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00, 0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F 38 0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00, 0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G 39 0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08, 0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H 40 0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00, 0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I 41 0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00, 0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J 42 0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00, 0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K 43 0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00, 0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L 44 0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00, 0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M 45 0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08, 0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N 46 0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00, 0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O 47 0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00, 0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P 48 0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00, 0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q 49 0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00, 0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R 50 0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00, 0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S 51 0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00, 0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T 52 0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08, 0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U 53 0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08, 0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V 54 0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00, 0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W 55 0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08, 0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X 56 0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00, 0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y 57 0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00, 0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z 58 0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00, 0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[ 59 0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\ 60 0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00, 0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//] 61 0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^ 62 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_ 63 0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//` 64 0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00, 0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a 65 0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00, 0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b 66 0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00, 0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c 67 0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00, 0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d 68 0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00, 0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e 69 0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18, 0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f 70 0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00, 0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g 71 0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00, 0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h 72 0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00, 0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i 73 0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00, 0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j 74 0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00, 0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k 75 0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00, 0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l 76 0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00, 0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m 77 0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00, 0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n 78 0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00, 0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o 79 0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00, 0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p 80 0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00, 0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q 81 0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00, 0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r 82 0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00, 0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s 83 0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00, 0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t 84 0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00, 0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//u 85 0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80, 0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v 86 0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80, 0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w 87 0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00, 0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x 88 0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80, 0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y 89 0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00, 0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z 90 0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02, 0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{ 91 0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,//| 92 0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00, 0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//} 93 0x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~ 94 }; #endif
知识点:
1、可以理解为STM32和51的不同之处仅仅是底层硬件驱动的区别,到上层应用的时候还是一样的,如果是51程序往STM32上迁移,只需要替换掉底层硬件驱动的代码即可。