STM32F407学习之GPIO驱动NOKIA LCD5110

来源：互联网发布：手机主板测试软件编辑：程序博客网时间：2024/05/22 05:33

1、nokia5110显示器介绍

这款液晶显示屏是通过PCD8554驱动控制器来驱动的，主要的特征如下：
单芯片 LCD 控制/驱动
48 行，84 列输出
显示数据 RAM 48*84 位
芯片集成：
——LCD电压发生器（也可以使用外部电压供应）
——LCD偏置电压发生器
——振荡器不需要外接元件（也可以使用外部时钟）
外部 RES（复位）输入引脚
串行界面最高4.0Mbits/S
CMOS兼容输入
混合速率：48
逻辑电压范围VDD到 VSS：2.7V~3.3V
显示电压范围VLCD到 VSS：
——6.0~8.5V LCD内部电压发生器（充许电压发生器）
——6.0~9.0V LCD外部电压供应（电压发生器关闭）
低功耗，适用于电池供电系统
关于VLCD的温度补偿
使用温度范围：-25~70℃

PCD8544 是一块低功耗的CMOS LCD控制驱动器，设计为驱动48 行84 列的图形显示。所有必须的显示功能集成在一块芯片上，包括LCD 电压及偏置电压发生器，只须很少外部元件且功耗小。 PCD8544 与微控制器的接口使用串行总线。PCD8544 采用 CMOS工艺。

方框图：

引脚图：

2、STM32控制LCD_5110连接图

GPIOB5<======================>SCE

GPIOB6<======================>RES

GPIOB7<======================>DC

GPIOB8<======================>SDIN

GPIOB9<======================>SCLK

3、程序

main.c/*芯片：STM32F407*/#include "stm32f4xx.h"#include "lcd5110.h"#include "delay.h"int main(void){GPIO_Configuration();LCD_init();           LCD_clear();LCD_write_chinese(10,0,0);LCD_write_chinese(22,0,1);LCD_write_chinese(34,0,2);LCD_write_chinese(46,0,3);LCD_write_chinese(58,0,4);LCD_write_chinese(70,0,5);//LCD_write_Picture(tu);//display full screen picture.return 0;  }

lcd5110.c/*file:lcd 5110 driverauthor:Allen和大家分享，共同学习，一起进步。Share more,learn better.some code is referenced from network.*/#include "lcd5110.h"#include "delay.h"unsigned char tu[]={0x00,0x00,0x00,0x80,0x80,0xC0,0xC0,0x60,0x60,0x60,0x20,0x30,0x20,0x20,0x20,0x62,0x62,0x72,0xCC,0xF7,0xF2,0x23,0x02,0xC4,0x78,0x0C,0xE6,0xF2,0xE3,0x02,0x02,0x02,0x07,0x0C,0x3C,0xC2,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF0,0xFC,0x0E,0x03,0x01,0x00,0x80,0x60,0x10,0x40,0x14,0x00,0x00,0x00,0x00,0x00,0x20,0x38,0x18,0x58,0x19,0x59,0x23,0x03,0x07,0x0C,0x08,0x10,0x30,0x30,0x30,0x90,0x38,0x5C,0x3F,0xF1,0xE0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x1F,0x3C,0x70,0xE0,0xC0,0xC2,0x8D,0xA2,0x08,0x21,0x40,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0xC0,0xE0,0x20,0x00,0x00,0x00,0x02,0x51,0x04,0xAB,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0A,0x3F,0xF3,0xD7,0xAF,0x5B,0x33,0xE3,0x42,0xDF,0xE6,0x86,0x82,0x82,0x82,0xC3,0x7E,0x43,0x63,0x21,0x31,0x18,0x06,0x81,0x00,0x00,0xA0,0x80,0xC8,0xE1,0xF4,0x7A,0x3F,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x03,0x07,0x07,0x0E,0x0D,0x1C,0x1D,0x3A,0x39,0xFA,0xF8,0x7A,0xB8,0x1A,0xB8,0x1C,0xAD,0x1C,0xBE,0x1E,0xBE,0x3F,0xF3,0xE3,0xC1,0x81,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00  };   unsigned char tu1[]= {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0xF8,0xF0,0xE0,0xC0,0x80,0x80,0x80,0x80,0xC0,0xE0,0xFE,0xFF,0xFE,0xF0,0xC0,0x80,0x80,0x80,0x80,0xC0,0xE0,0xF0,0xF8,0x7C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x30,0x70,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xF0,0xFF,0x7F,0x3F,0x1F,0x0F,0x07,0x07,0x07,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x07,0x07,0x07,0x0F,0x1F,0x1F,0x7F,0xF8,0xF0,0xF0,0xF0,0xF0,0xF0,0xF0,0x78,0x38,0x18,0x08,0x00,0x00,0x00,0x00,0x80,0x80,0xC0,0xC0,0xE3,0xFF,0xFF,0xFF,0x1F,0x03,0x00,0x00,0x00,0x00,0x1E,0x3F,0x3F,0x3F,0x3F,0x1E,0x00,0x00,0x00,0x00,0x1E,0x3F,0x3F,0x3F,0x3F,0x1E,0x00,0x00,0x00,0x00,0x03,0x0F,0xFF,0xFF,0xFF,0xF0,0xE0,0xE0,0xC0,0xC0,0xC0,0xC0,0x03,0x03,0x03,0x03,0x07,0x07,0x0F,0xDF,0xFF,0xFF,0xF8,0xC0,0x00,0x00,0x00,0x1E,0x7C,0xF0,0xE0,0xC0,0xC0,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0xC0,0xE0,0xF0,0x7C,0x3E,0x07,0x00,0x00,0x80,0xF0,0xFF,0xFF,0xFF,0x87,0x03,0x03,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x38,0x18,0x1C,0x1F,0x0F,0x0F,0x0F,0x0F,0x0F,0x1F,0xFE,0xF8,0xF8,0xF0,0xE0,0xE1,0xE1,0xC3,0xC7,0xC7,0xC7,0xC7,0xC7,0xC7,0xC3,0xC3,0xE1,0xE0,0xF0,0xF8,0xF8,0xFC,0xFF,0x0F,0x07,0x07,0x07,0x07,0x07,0x0F,0x0E,0x0C,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x1F,0x0F,0x07,0x03,0x03,0x01,0x01,0x01,0x03,0x0F,0x7F,0xFF,0x7F,0x0F,0x03,0x01,0x01,0x01,0x01,0x03,0x07,0x07,0x1F,0x3C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,};unsigned char tu2[]={0x00,0x00,0x80,0xC0,0xE0,0xF0,0x78,0xB8,0xBC,0xDC,0xDE,0xFF,0xEF,0xEF,0xEE,0xFE,0xDE,0xDC,0xBC,0xB8,0x78,0xF0,0xE0,0xE0,0xE0,0xE0,0xF0,0x78,0xB8,0xBC,0xDC,0xDE,0xEE,0xFF,0xEF,0xEF,0xFE,0xDE,0xDC,0xFC,0xB8,0x78,0xF0,0xE0,0xC0,0x80,0x00,0x00,0xF0,0xFE,0xFF,0x0F,0xFB,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFC,0xFB,0xFB,0xFD,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFB,0x9F,0xFF,0xFE,0xF0,0x1F,0xFF,0xFF,0xC5,0x3F,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,0x3F,0xE2,0xFF,0xFF,0x1F,0x00,0x00,0x07,0x0F,0x3F,0x7C,0xF3,0xEF,0xDF,0xBF,0x7F,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,0x7F,0xBF,0xDF,0xEF,0xF3,0x7C,0x3F,0x0F,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x03,0x07,0x0F,0x1F,0x3E,0x7D,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0x7D,0x3E,0x1F,0x0F,0x07,0x03,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x03,0x07,0x0F,0x0E,0x1D,0x3B,0x77,0xEF,0xEF,0x77,0x3B,0x1D,0x0E,0x0F,0x07,0x03,0x03,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,};//中文字模const unsigned char chinese_character[][24]={//hua{0x88,0x84,0xBE,0x91,0x90,0xC8,0xBF,0xA8,0xA4,0xA2,0xB8,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00},//dong{0x02,0x22,0x32,0xAA,0x26,0xFB,0x22,0x62,0xA2,0x22,0x02,0x00,0x02,0x02,0x01,0x00,0x04,0x07,0x00,0x00,0x00,0x01,0x02,0x00},//li{0x12,0x12,0xFE,0x12,0x3F,0xA5,0xA5,0xFF,0xA5,0xA5,0x3F,0x00,0x02,0x02,0x01,0x05,0x04,0x04,0x04,0x07,0x04,0x04,0x04,0x00},//gong{0x00,0x02,0x02,0x02,0x02,0xFE,0x02,0x02,0x03,0x02,0x00,0x00,0x04,0x04,0x04,0x04,0x04,0x07,0x04,0x04,0x04,0x04,0x04,0x00},//da{0x08,0x08,0x08,0x08,0xC8,0x3F,0xC8,0x08,0x08,0x0C,0x08,0x00,0x04,0x04,0x02,0x01,0x00,0x00,0x00,0x01,0x02,0x04,0x04,0x00},//xue{0x9C,0x84,0x95,0x96,0x95,0xD6,0xB4,0x94,0x87,0x94,0x8C,0x00,0x00,0x00,0x00,0x04,0x04,0x07,0x00,0x00,0x00,0x00,0x00,0x00},//long{0x04,0x04,0x04,0xC4,0x3F,0x04,0xFC,0x45,0x26,0x14,0x04,0x00,0x04,0x02,0x01,0x02,0x02,0x01,0x07,0x04,0x04,0x04,0x07,0x00},//fei{0x01,0x01,0x01,0x01,0x01,0x7F,0x90,0x18,0x24,0x42,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x04,0x04,0x07,0x00},};//6X8字库unsigned char font6x8[][6] ={{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },// sp{ 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 },// !{ 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 },// "{ 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 },// #{ 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 },// ${ 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 },// %{ 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 },// &{ 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 },// '{ 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 },// ({ 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 },// ){ 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 },// *{ 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 },// +{ 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 },// ,{ 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 },// -{ 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 },// .{ 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 },// /{ 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E },// 0{ 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 },// 1{ 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 },// 2{ 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 },// 3{ 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 },// 4{ 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 },// 5{ 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 },// 6{ 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 },// 7{ 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 },// 8{ 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E },// 9{ 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 },// :{ 0x00, 0x00, 0x56, 0x36, 0x00, 0x00 },// ;{ 0x00, 0x08, 0x14, 0x22, 0x41, 0x00 },// <{ 0x00, 0x14, 0x14, 0x14, 0x14, 0x14 },// ={ 0x00, 0x00, 0x41, 0x22, 0x14, 0x08 },// >{ 0x00, 0x02, 0x01, 0x51, 0x09, 0x06 },// ?{ 0x00, 0x32, 0x49, 0x59, 0x51, 0x3E },// @{ 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C },// A{ 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36 },// B{ 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22 },// C{ 0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C },// D{ 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41 },// E{ 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01 },// F{ 0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A },// G{ 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F },// H{ 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00 },// I{ 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01 },// J{ 0x00, 0x7F, 0x08, 0x14, 0x22, 0x41 },// K{ 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40 },// L{ 0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F },// M{ 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F },// N{ 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E },// O{ 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06 },// P{ 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E },// Q{ 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46 },// R{ 0x00, 0x46, 0x49, 0x49, 0x49, 0x31 },// S{ 0x00, 0x01, 0x01, 0x7F, 0x01, 0x01 },// T{ 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F },// U{ 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F },// V{ 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F },// W{ 0x00, 0x63, 0x14, 0x08, 0x14, 0x63 },// X{ 0x00, 0x07, 0x08, 0x70, 0x08, 0x07 },// Y{ 0x00, 0x61, 0x51, 0x49, 0x45, 0x43 },// Z{ 0x00, 0x00, 0x7F, 0x41, 0x41, 0x00 },// [{ 0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55 },// 55{ 0x00, 0x00, 0x41, 0x41, 0x7F, 0x00 },// ]{ 0x00, 0x04, 0x02, 0x01, 0x02, 0x04 },// ^{ 0x00, 0x40, 0x40, 0x40, 0x40, 0x40 },// _{ 0x00, 0x00, 0x01, 0x02, 0x04, 0x00 },// '{ 0x00, 0x20, 0x54, 0x54, 0x54, 0x78 },// a{ 0x00, 0x7F, 0x48, 0x44, 0x44, 0x38 },// b{ 0x00, 0x38, 0x44, 0x44, 0x44, 0x20 },// c{ 0x00, 0x38, 0x44, 0x44, 0x48, 0x7F },// d{ 0x00, 0x38, 0x54, 0x54, 0x54, 0x18 },// e{ 0x00, 0x08, 0x7E, 0x09, 0x01, 0x02 },// f{ 0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C },// g{ 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78 },// h{ 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00 },// i{ 0x00, 0x40, 0x80, 0x84, 0x7D, 0x00 },// j{ 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00 },// k{ 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00 },// l{ 0x00, 0x7C, 0x04, 0x18, 0x04, 0x78 },// m{ 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78 },// n{ 0x00, 0x38, 0x44, 0x44, 0x44, 0x38 },// o{ 0x00, 0xFC, 0x24, 0x24, 0x24, 0x18 },// p{ 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC },// q{ 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08 },// r{ 0x00, 0x48, 0x54, 0x54, 0x54, 0x20 },// s{ 0x00, 0x04, 0x3F, 0x44, 0x40, 0x20 },// t{ 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C },// u{ 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C },// v{ 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C },// w{ 0x00, 0x44, 0x28, 0x10, 0x28, 0x44 },// x{ 0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C },// y{ 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44 },// z{ 0x14, 0x14, 0x14, 0x14, 0x14, 0x14 }// horiz lines};/*@brief:set and clear the control bits of 5110 lcd.@usage:you can use funtion set_XXX() to set a bit and use funtion clear_XXX() to clear a bit.*/void set_SCE(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_5, Bit_SET);}void clear_SCE(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_5, Bit_RESET);}void set_RES(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_6, Bit_SET);}void clear_RES(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_6, Bit_RESET);}void set_DC(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_7, Bit_SET);}void clear_DC(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_7, Bit_RESET);}void set_SDIN(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_8, Bit_SET);}void clear_SDIN(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_8, Bit_RESET);}void set_SCLK(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_9, Bit_SET);}void clear_SCLK(void){ GPIO_WriteBit(GPIOB, GPIO_Pin_9, Bit_RESET);}/*************************************************函数名: GPIO_Configuration      *参  数：无*功  能: 配置GPIO   *返回值：无                                    *备  注：无          *日  期：2013/07/23        *************************************************/ GPIO_InitTypeDef GPIO_InitStructure;void GPIO_Configuration(void){   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);    GPIO_InitStructure.GPIO_Pin=GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9;   GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;   GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;   GPIO_Init(GPIOB, &GPIO_InitStructure);}/*************************************************函数名: LCD_write_byte       **参  数：data：写入的数据          **        cmd: 1-数据/0-命令     **功  能: 向5110LCD写入数据      **返回值：无                                     **日  期：2013/07/23        **************************************************/ void LCD_write_byte(unsigned char data,unsigned char cmd){  unsigned char i;       clear_SCE();    if(cmd)  set_DC();  else  clear_DC();           for(i=0;i<8;i++) {    if(data&0x80) //如果一个字节的最高位是1  set_SDIN(); //则设置SDIN=1   else   clear_SDIN();//否则设置SDIN=0;SDIN是即将写入数据DDRAM的值  data = data<<1; //将传送的一个字节数据的每一位进行左移一位，等待下一次传输  clear_SCLK();   //SDIN在SCLK的上升沿写入DDRAM  set_SCLK();     //  clear_SCLK();  // }   }/*************************************************函数名: LCD_init           **参  数：无                       **功  能: 初始化LCD              **返回值：无                                     *         **日  期：2013/07/23        **************************************************/void LCD_init(void){set_SCE();set_RES();delay_us(200);clear_RES();   delay_ms(20);set_RES();   delay_us(200); LCD_write_byte(0x21,0);//LCD功能设置：芯片活动，水平寻址，使用扩展指令 LCD_write_byte(0xd0,0);//设置VOP值，室温下的编程范围为3.00-10.68 //Vlcd=3.06+(VOP)*0.06,本例VOP为0B01010000为十进制的80，Vlcd=7.86V LCD_write_byte(0x20,0);//LCD功能设置：芯片活动，水平寻址，使用基本指令 LCD_write_byte(0x0c,0);//设定显示配置:普通模式 set_SCE();//SCE为高电平时串行口被初始化，SCLK时钟不起作用，串行接口不消耗电力，所以最后都将SCE置高电平}/*************************************************函数名: LCD_set_XY           **参  数：X:列                     **        Y:行                            **功  能: 选择写入液晶位置      **返回值：无                                     **日  期：2013/07/23        **************************************************/void LCD_set_XY(unsigned char X, unsigned char Y){ LCD_write_byte(0x40 | Y, 0);// 行 LCD_write_byte(0x80 | X, 0);// 列 set_SCE();} /*************************************************函数名: LCD_clear           **参  数：无                            **功  能: 清屏                    **返回值：无                                     **备  注：无          **日  期：2013/07/23        **************************************************/void LCD_clear(void){  unsigned char t;  unsigned char k; LCD_set_XY(0,0);  for(t=0;t<6;t++) {    for(k=0;k<84;k++)  {    LCD_write_byte(0x00,1);          } } set_SCE();}/*************************************************函数名: LCD_write_char       **参  数：c:需写入的字符                **功  能: 写入字符命令                  **返回值：无                                     **日  期：2013/07/23        **************************************************/void LCD_write_char(unsigned char c){  unsigned char c_line;c-=32;for (c_line=0; c_line<6; c_line++)LCD_write_byte(font6x8[c][c_line], 1); }/*************************************************函数名: LCD_write_String      **参  数：X:设置写入字符串列位置           **   Y:设置写入字符串行位置     **   *s:写入字符串首地址                    **功  能: LCD显示字符串                 **返回值：无                                     **日  期：2013/07/23       **************************************************/void LCD_write_String(unsigned char X,unsigned char Y,char *s){ LCD_set_XY(X,Y);  while (*s) {  LCD_write_char(*s);  s++; }} /*************************************************函数名: LCD_write_chinese   **参  数：X:设置写入汉字列位置               **   Y:设置写入汉字行位置     **功  能: LCD显示汉字                 **返回值：无                                     **日  期：2013/07/23        **************************************************/void LCD_write_chinese(unsigned char X, unsigned char Y,char n){  int i;LCD_set_XY(X,Y);  for(i = 0;i < 12; i++){LCD_write_byte(chinese_character[n][i],1);}LCD_set_XY(X,Y+1);  for(i = 12; i < 24; i++){LCD_write_byte(chinese_character[n][i],1);}}/*************************************************函数名: LCD_write_Picture   **功  能: 写整屏的图片                 **返回值：无                                     **日  期：2013/07/23        **************************************************/void LCD_write_Picture(unsigned char *c){unsigned i,j;for(i=0;i<6;i++){LCD_set_XY(0,i);for(j=0;j<84;j++){LCD_write_byte(c[i*84+j],1);}}}

delay.c#include "delay.h"__IO u16 ntime;    void delay_ms(u16 nms){     ntime=nms;SysTick_Config(168000);//1ms产生一次中断while(ntime);SysTick->CTRL=0x00;      }          void delay_us(u32 nus){ntime=nus;SysTick_Config(168);//1us产生一次中断while(ntime);SysTick->CTRL=0x00;}void Delay(u32 count){while(count--);}

/**  ************************************************************************************  * @file    LCD5110.h  * @author  Allen  * @version V1.0.0  * @date    22-July-2012,21:30 IN ECUST   * @brief   This file contains all the functions prototypes for the 5110 LCD driver  ************************************************************************************  @NOTE:*THIS FILE IS JUST FOR STUDY,CREATED BY LONGFEI WHICH HAS SOME REFERENCE FROM NETWORK*//* Define to prevent recursive inclusion -------------------------------------*/#ifndef __LCD5110_H#define __LCD5110_Hextern unsigned char tu[];extern unsigned char tu1[];extern unsigned char tu2[];/* Exported functions --------------------------------------------------------*/ /* Funtion used to Configuration GPIO ----------------------------------------*/ void GPIO_Configuration(void);/* Funtion used to SET SCE----------------------------------------------------*/ void set_SCE(void);/* Funtion used to CLEAR SCE--------------------------------------------------*/ void clear_SCE(void);/* Funtion used to SET RES----------------------------------------------------*/ void set_RES(void);/* Funtion used toCLEAR SCE--------------------------------------------------*/ void clear_RES(void);/* Funtion used toSET DC-----------------------------------------------------*/ void set_DC(void);/* Funtion used toCLEAR DC---------------------------------------------------*/ void clear_DC(void);/* LCD_write_byte funtion---------------------------------------------------*/ void LCD_write_byte(unsigned char data,unsigned char cmd);/* LCD_Init function--------------------------------------------------------*/ void LCD_init(void);/* LCD_set_XY---------------------------------------------------------------*/ void LCD_set_XY(unsigned char X,unsigned char Y);/* LCD_clear function-------------------------------------------------------*/ void LCD_clear(void);/* LCD_write_char function--------------------------------------------------*/ void LCD_write_char(unsigned char c);/* LCD_write_string function-----------------------------------------------*/ void LCD_write_String(unsigned char X,unsigned char Y,char *s);/* LCD_write_chinese function------------------------------------------ ---*/ void LCD_write_chinese(unsigned char X,unsigned char Y,char n);/* LCD_write_Picture function------------------------------------------ ---*/ void LCD_write_Picture(unsigned char *c);#endif

#ifndef __DELAY_H#define __DELAY_H#include "stm32f4xx_conf.h"void delay_ms(u16 nms);void delay_us(u32 nus);void Delay(u32 count);#endif