基于某STM32LCD12864驅動程序

1、實用文檔STM32 LCD12864驅動程序(頭文件)(2012-05-29 21:25:08)轉載標簽：雜談#ifndef LCD12864_H#define LCD12864_H#define LCD_CONTROL GPIOD 默認 LCD12864 的控制口在 PD 口#define LCD_DATAPORT GPIOD / 默認 LCD12864 的數(shù)據(jù)口在 PD 口#define LCD_RESET_Pin GPIO_Pin_12 默認 LCD12864 的復位引腳連接到 PD.12 也可不用#define LCD_RS_Pin GPIO_Pin_13 / 默認 LCD12864

2、RS - PD.13#define LCD_RW_Pin GPIO_Pin_14 / 默認 LCD12864 RW - PD.14#define LCD_EN_Pin GPIO_Pin_15 默認 LCD12864 E - PD.15#define LCD_CONTROL_CLOCK RCC_APB2Periph_GPIOD 默認 LCD12864 的控制 口時鐘#define LCD_DATAPORT_CLOCK RCC_APB2Periph_GPIO/ 默認 LCD12864 的數(shù)據(jù) 口時鐘#define LCD_RS_1 LCD_CONTROL-BSR&=LCD_RS_Pin;LCD_C

3、ONTROL-BSRRLCD_RS_Pin/RS置高電平#define LCD_RS_0 LCD_CONTROL-BRR &=LCD_RS_Pin;LCD_CONTROL-BRR=LCD_RS_Pin/RS置低電平#define LCD_RW_1 LCD_CONTROL-BSRR &=LCD_RW_Pin;LCD_CONTROL-BSRR |=LCD_RW_Pin /RW 置高電平#define LCD_RW_0 LCD_CONTROL-BRR &=LCD_RW_Pin;LCD_CONTROL-BRR |=LCD_RW_Pin /RW 置低電平#define LCD_EN_1 LCD_CONT

4、ROL-BSR&=LCD_EN_Pin;LCD_CONTROL-BSR=LCD_EN_Pin/EN置高電平#define LCD_EN_0 LCD_CONTROL-BRR &=LCD_EN_Pin;LCD_CONTROL-BRR|=LCD_EN_Pin/EN置低電平#define LCD_RESET_0 LCD_CONTROL-BRR = LCD_RESET_Pin / 復位#define LCD_RESET_1 LCD_CONTROL-BSRR = LCD_RESET_F/h 復位腳拉高#define DATAOUT LCD_DATAPORT-ODR &=0xff00;LCD_DATAPOR

5、T-ODR/g 輸出寄存器#define DATAIN LCD_DATAPORT-IDR / 數(shù)據(jù)輸入寄存器#define LCD_BF (DATAIN)& 0x0080)/ 忙狀態(tài)void LCD_delayus(unsigned long n); / 延時 n(us)void LCD_delayms(unsigned long n); / 延時 n(ms)void LCD_WriteInitcmd(uint8_t initcmd); / 寫初始化命令void LCD_WaitLaisure(void);一直等待到 LCD內部操作完成，變?yōu)榭臻e狀態(tài)void LCD_Writecmd(uint

6、8_t cmd); / 寫命令到 LCD12864void LCD_WriteByte(uint8_t byte);/ 寫一字節(jié)數(shù)據(jù)到 LCD12864void LCD_pos(uint16_t pos);/LCD 顯示位置設置void LCD_Setpos(uint16_t row,uint16_t col);/ 設定 LCD12864 的顯示地址，根據(jù)習慣void LCD_DispChar(char ch);/ 顯示一個字符void LCD_Setpos_DispChar(uint16_t row,uint16_t col,char ch);/ 在指定位置顯示一個字符void LCD_Di

7、spString(char str);顯示一個字符串，顯示位置需提前設定/在指定位置顯示一個字符串void LCD_Setpos_DispString(uint16_t row,uint16_t col,char str);void LCD_Dispnum(uint32_t num);顯示一個不超過 8位的整數(shù)，顯示位置需提前設置/在指定位置顯示一個不超過8位的整數(shù)void LCD_Setpos_Dispnum(uint16_t row,uint16_t col,uint32_t num);void LCD_DispDecimal(uint32_t num,uint16_t dot);/ 顯示

8、一個有效位不超過8位的浮點數(shù) 顯示位置需要提前設定/在指定位置顯示一個有效位不超過8位的浮點數(shù)void LCD_Setpos_DispDecimal(uint16_t row,uint16_t col,uint32_t num,uint16_t dot);顯示日歷，顯示日期與時間void LCD_DispDateTime(uint32_t year,uint16_t month,uint16_t day,uint16_t hour,uint16_t min,uint16_t sec);void LCD_DispPicture(const unsigned char picture); / 顯示

9、一幅圖像 128*64屏幕整體左移一格，用于滾動顯示void LCD_ShiftLeft(void);屏幕整體右移一格，用于滾動顯示void LCD_ShiftRight(void);清屏，清除顯示void LCD_Clear(void);使光標還回原點位置void LCD_Return(void);關顯示void LCD_Close(void);/開顯示void LCD_Open(void);void LCD_FlickerChar(uint16_t row,uint16_t col);關閉字符閃爍void LCD_CloseFlicker(void);/屏幕秒閃爍一次void LCD_Fl

10、ickerScreen(void);void LCD_PORT_Init(void); /LCD 連接端口初始化void LCD_Init(void);/LCD 配置初始化#endif#include stm32f10x.h#include stm32f10x_gpio.h#include LCD12864.h”#include picture.h/ 延時 n(us)void LCD_delayus(unsigned long n)unsigned long j;while(n-) j=8;while(j-);/ 延時 n(ms)void LCD_delayms(unsigned long n

11、)while(n-)LCD_delayus(1100);/寫初始化命令void LCD_WriteInitcmd(uint8_t initcmd)LCD_RS_0;LCD_RW_0;LCD_EN_1;DATAOUT 尸 initcmd;LCD_delayus(600);LCD_EN_0;LCD_RW_1;一直等待到LCD內部操作完成，變?yōu)榭臻e狀態(tài) void LCD_WaitLaisure(void) uint16_t flag=0x00;LCD_RS_0;LCD_RW_1; do LCD_EN_0;LCD_delayus(5);LCD_EN_1;LCD_delayus(5);flag=(uin

12、t16_t)LCD_BF;while(flag);寫命令到LCD12864void LCD_Writecmd(uint8_t cmd)LCD_WaitLaisure();LCD_RS_0;LCD_RW_0;LCD_EN_1;DATAOUT 尸 cmd;LCD_delayus(600);/經過測試，取 600。550都不可以LCD_EN_0;LCD_RW_1;/寫一字節(jié)數(shù)據(jù)到 LCD12864void LCD_WriteByte(uint8_t byte)LCD_WaitLaisure();LCD_RS_1;LCD_RW_0;LCD_EN_1;DATAOUT |= byte;LCD_delayu

13、s(600);LCD_EN_0;LCD_RW_1;void LCD_pos(uint16_t pos)LCD_Writecmd(pos);void LCD_Setpos(uint16_t row,uint16_t col)uint16_t pos=0x00;if(row+13) pos=0x08;if(row & 0x01) pos |= 0x80;else pos |= 0x90;pos += col-1;LCD_Writecmd(pos);void LCD_DispChar(char ch)LCD_WriteByte(ch);void LCD_Setpos_DispChar(uint16_

14、t row,uint16_t col,char ch)LCD_Setpos(row,col);LCD_WriteByte(ch);void LCD_DispString(char str)uint16_t i;for(i=0;stri!=0;i+)LCD_WriteByte(stri);void LCD_Setpos_DispString(uint16_t row,uint16_t col,char str)LCD_Setpos(row,col);LCD_DispString(str);void LCD_Dispnum(uint32_t num)char str12;uint32_t q;ui

15、nt16_t wei,i,j,k;if(num=10000000)wei=8;else if(num=1000000)wei=7;else if(num=100000)wei=6;else if(num=10000)wei=5;else if(num=1000) wei=4;else if(num=100)wei=3;else if(num=10) wei=2;else wei=1;k=0;for(i=wei;i0;i-)q=1;j=1;/i=1時，q=1,得到個位for(;j=10000000)wei=8;else if(num=1000000)wei=7;else if(num=10000

16、0)wei=6;else if(num=10000)wei=5;else if(num=1000) wei=4;else if(num=100)wei=3;else if(num=10) wei=2;else wei=1;for(i=wei;i0;i-)q=1;j=1;/i=1時，q=1,得到個位for(;j0;i-)if(stri=0)&(stri=9) break;stri+2=0;/添加字符串結束符for(j=0;jdot;j+,i-)小數(shù)點后各位依次右移，準備插入stri+1=stri;stri+1=.;/插入小數(shù)點LCD_DispString(str); 顯示浮點小數(shù)void LCD

17、_Setpos_DispDecimal(uint16_t row,uint16_t col,uint32_t num,uint16_t dot) LCD_Setpos(row,col); LCD_DispDecimal(num,dot);void LCD_DispDateTime(uint32_t year,uint16_t month,uint16_t day,uint16_t hour,uint16_t min,uint16_t sec) /extern uint16_t enableclock;LCD_Setpos(1,0);LCD_DispString(Date:);LCD_Dispn

18、um(uint32_t)year);LCD_DispChar(-);LCD_Dispnum(uint32_t)month);LCD_DispChar(-);LCD_Dispnum(uint32_t)day);if(month10)&(day10)/清除無效位置可能殘留的顯示 LCD_DispChar(); LCD_DispChar(); else if(month9)|(month9)&(day10) LCD_DispChar();LCD_Setpos(1,15);/if(enableclock) 如果開啟鬧鈴，顯示鬧鈴標志 / LCD_DispChar(); /else LCD_DispCh

19、ar(*); /第一行結束符顯示 LCD_Setpos(2,0); LCD_DispString(Time:); LCD_Dispnum(uint32_t)hour); LCD_DispChar(:); LCD_Dispnum(uint32_t)min); LCD_DispChar(:); LCD_Dispnum(uint32_t)sec);if(sec=0) LCD_DispChar(0);LCD_DispChar();LCD_DispChar();if(hour10)&(min0)&(sec10) LCD_DispChar(); 用于消隱 LCD_Setpos(2,15); /if(ena

20、bleclock) / LCD_DispChar();/elseLCD_DispChar(*);/第二行結束符顯示void LCD_DispPicture(const unsigned char picture)uint16_t i,j;LCD_Writecmd(0x34); 寫數(shù)據(jù)時，關閉圖形顯示LCD_delayms(20);for(i=0;i32;i+)/ 32 行LCD_Writecmd(0x80+i);LCD_delayus(150);LCD_Writecmd(0x80);LCD_delayus(150);for(j=0;j16;j+) 一行，16 個字節(jié)LCD_WriteByte(

21、picturej);LCD_delayus(150);LCD_delayus(150);for(i=0;i32;i+)/ 32 行LCD_Writecmd(0x80+i);LCD_delayus(150);LCD_Writecmd(0x80);LCD_delayus(150);for(j=0;j16;j+) / 一行，16 個字節(jié)LCD_WriteByte(picturej);LCD_delayus(150);LCD_delayus(150);LCD_Writecmd(0x36); 寫完數(shù)據(jù)開圖形顯示LCD_delayms(50);屏幕整體左移一格，用于滾動顯示void LCD_ShiftLe

22、ft()LCD_Writecmd(0x18);屏幕整體右移一格，用于滾動顯示void LCD_ShiftRight(void)LCD_Writecmd(0x1C);清屏，清除顯示void LCD_Clear(void)LCD_Writecmd(0x01);使光標還回原點位置void LCD_Return(void)LCD_Writecmd(0x02);關顯示void LCD_Close(void)LCD_Writecmd(0x08);/開顯示void LCD_Open(void)LCD_Writecmd(0x0C);void LCD_FlickerChar(uint16_t row,uint1

23、6_t col)LCD_Writecmd(0x0D);LCD_Setpos(row,col);關閉字符閃爍void LCD_CloseFlicker(void)LCD_Writecmd(0x0C);/屏幕秒閃爍一次void LCD_FlickerScreen(void)LCD_Writecmd(0x08);/ 關顯示LCD_delayms(500);LCD_Writecmd(0x0C);/ 開顯示 LCD_delayms(500);/LCD連接端口初始化void LCD_PORT_Init(void)GPIO_InitTypeDef LCD_port;RCC_PCLK2Config(RCC_H

24、CLK_Div1);RCC_PCLK1Config(RCC_HCLK_Div2); /fPCLK1=36MHzRCC_APB2PeriphClockCmd(LCD_CONTROL_CLOCK ENABLE 鐘使能RCC_APB2PeriphClockCmd(LCD_DATAPORT_CLOCK ,ENABLE);LCD_port.GPIO_Pin = (uint16_t)0x00ff;LCD_port.GPIO_Speed= GPIO_Speed_50MHz;LCD_port.GPIO_Mode = GPIO_Mode_Out_OD;/OD 開路輸出，外接上拉電阻到5VGPIO_Init(LC

25、D_DATAPORT,&LCD_port);LCD_port.GPIO_Pin = LCD_RESET_Pin | LCD_RS_Pin | LCD_RW_Pin | LCD_EN_Pin;LCD_port.GPIO_Speed= GPIO_Speed_50MHz;LCD_port.GPIO_Mode = GPIO_Mode_Out_OD;/OD 開路輸出 GPIO_Init(LCD_CONTROL,&LCD_port);void LCD_Init(void)LCD_RESET_0;LCD_delayms(300); 復位 LCD12864LCD_RESET_1;LCD_delayms(300

26、);LCD_Writecmd(0x34);寫數(shù)據(jù)時，關閉圖形顯示LCD_delayus(400);LCD_WriteInitcmd(0x38); 并行，8位，基本指令操作LCD_delayus(200); /150LCD_WriteInitcmd(0x38);LCD_delayus(100);LCD_WriteInitcmd(0x0C); 開顯示，顯示光標，用于測試LCD_delayus(150);LCD_WriteInitcmd(0x01); / 清屏LCD_delayms(12);LCD_Writecmd(0x06); / 地址自動增加LCD_delayus(150);#include s

27、tm32f10x.h#include LCD12864.h”extern const unsigned char picturel口；extern const unsigned char picture2口；void GPIO_Configuration(void);/延時n usvoid delay_nus(unsigned long n)unsigned long j;while(n-) j=8;while(j-);/延時n msvoid delay_nms(unsigned long n)while(n-)delay_nus(1100);時鐘配置函數(shù) 72MHz端口配置void RCC_Configuration()RCC_PCLK2Config(RCC_HCLK_Div1);RCC_PCLK1Config(RCC_HCLK_Div2); /fPCLK1=36MHz/RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_AP