基于STM32--LCD12864驱动程序

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基于某STM32LCD12864驱动程序

STM32 LCD12864驱动程序（头文件）(2012-05-29 21:25:08)转载▼标签：杂谈#ifndef LCD12864_H#define LCD12864_H#define LCD_CONTROL GPIOD //默认LCD12864的控制口在PD口#define LCD_DATAPORT GPIOD //默认LCD12864的数据口在PD口#define LCD_RESET_Pin GPIO_Pin_12 //默认LCD12864的复位引脚连接到PD.12 也可不用#define LCD_RS_Pin GPIO_Pin_13 //默认LCD12864 RS -- PD.13#define LCD_RW_Pin GPIO_Pin_14 //默认LCD12864 RW -- PD.14#define LCD_EN_Pin GPIO_Pin_15 //默认LCD12864 E -- PD.15#define LCD_CONTROL_CLOCK RCC_APB2Periph_GPIOD //默认LCD12864的控制口时钟#define LCD_DATAPORT_CLOCK RCC_APB2Periph_GPIOD //默认LCD12864的数据口时钟#define LCD_RS_1 LCD_CONTROL->BSRR &=~LCD_RS_Pin;LCD_CONTROL->BSRR |=LCD_RS_Pin //RS置高电平#define LCD_RS_0 LCD_CONTROL->BRR &=~LCD_RS_Pin;LCD_CONTROL->BRR |=LCD_RS_Pin //RS置低电平#define LCD_RW_1 LCD_CONTROL->BSRR &=~LCD_RW_Pin;LCD_CONTROL->BSRR |=LCD_RW_Pin //RW置高电平#define LCD_RW_0 LCD_CONTROL->BRR &=~LCD_RW_Pin;LCD_CONTROL->BRR |=LCD_RW_Pin //RW置低电平#define LCD_EN_1 LCD_CONTROL->BSRR &=~LCD_EN_Pin;LCD_CONTROL->BSRR |=LCD_EN_Pin //EN置高电平#define LCD_EN_0 LCD_CONTROL->BRR &=~LCD_EN_Pin;LCD_CONTROL->BRR |=LCD_EN_Pin //EN置低电平#define LCD_RESET_0 LCD_CONTROL->BRR = LCD_RESET_Pin // 复位#define LCD_RESET_1 LCD_CONTROL->BSRR = LCD_RESET_Pin // 复位脚拉高#define DATAOUT LCD_DATAPORT->ODR &=0xff00;LCD_DATAPORT->ODR // 数据输出寄存器#define DATAIN LCD_DATAPORT->IDR // 数据输入寄存器#define LCD_BF ((DATAIN)& 0x0080) // 忙状态void LCD_delayus(unsigned long n); //延时n(us)void LCD_delayms(unsigned long n); //延时n(ms)void LCD_WriteInitcmd(uint8_t initcmd); //写初始化命令void LCD_WaitLaisure(void); //一直等待到LCD内部操作完成，变为空闲状态void LCD_Writecmd(uint8_t cmd); //写命令到LCD12864void LCD_WriteByte(uint8_t byte); //写一字节数据到LCD12864void LCD_pos(uint16_t pos); //LCD显示位置设置void LCD_Setpos(uint16_t row,uint16_t col);//设定LCD12864的显示地址，根据习惯void LCD_DispChar(char ch); //显示一个字符void LCD_Setpos_DispChar(uint16_t row,uint16_t col,char ch);//在指定位置显示一个字符void LCD_DispString(char str[]); //显示一个字符串，显示位置需提前设定//在指定位置显示一个字符串void LCD_Setpos_DispString(uint16_t row,uint16_t col,char str[]);void LCD_Dispnum(uint32_t num); //显示一个不超过8位的整数，显示位置需提前设置//在指定位置显示一个不超过8位的整数void LCD_Setpos_Dispnum(uint16_t row,uint16_t col,uint32_t num);void LCD_DispDecimal(uint32_t num,uint16_t dot);//显示一个有效位不超过8位的浮点数,显示位置需要提前设定//在指定位置显示一个有效位不超过8位的浮点数void LCD_Setpos_DispDecimal(uint16_t row,uint16_t col,uint32_t num,uint16_t dot);//显示日历，显示日期与时间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[]); //显示一幅图像128*64//屏幕整体左移一格，用于滚动显示void LCD_ShiftLeft(void);//屏幕整体右移一格，用于滚动显示void LCD_ShiftRight(void);//清屏，清除显示void LCD_Clear(void);//使光标还回原点位置void LCD_Return(void);//关显示void LCD_Close(void);//开显示void LCD_Open(void);void LCD_FlickerChar(uint16_t row,uint16_t col);//关闭字符闪烁void LCD_CloseFlicker(void);//屏幕秒闪烁一次void LCD_FlickerScreen(void);void LCD_PORT_Init(void); //LCD连接端口初始化void LCD_Init(void); //LCD配置初始化#endif#include "stm32f10x.h"#include "stm32f10x_gpio.h"#include "LCD12864.h"#include "picture.h"//延时n(us)void LCD_delayus(unsigned long n){unsigned long j;while(n--){ j=8;while(j--);}}//延时n(ms)void LCD_delayms(unsigned long n){while(n--)LCD_delayus(1100);}//写初始化命令void LCD_WriteInitcmd(uint8_t initcmd){LCD_RS_0;LCD_RW_0;LCD_EN_1;DATAOUT |= initcmd;LCD_delayus(600);LCD_EN_0;LCD_RW_1;}//一直等待到LCD内部操作完成，变为空闲状态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=(uint16_t)LCD_BF;}while(flag);}//写命令到LCD12864void LCD_Writecmd(uint8_t cmd){LCD_WaitLaisure();LCD_RS_0;LCD_RW_0;LCD_EN_1;DATAOUT |= cmd;LCD_delayus(600); //经过测试，取600。

stm32-12864并行驱动程序

//////////////////////////////////////////////////////////////////////////////////stm32-12864并行驱动程序////////////////////////////////////////////////////#include "delay.h" //必须配合delay.c 和delay.h 文件使用，所以要包含delay.h。

#include "display12864.h"f/********** 以下是相关引脚定义。

**************/// A 口的#define DisIO GPIOE //定义12864 要使用的I/O 端口。

#define DisClk RCC_APB2Periph_GPIOE //定义12864 要使用的I/O 端口的时钟。

#define EN GPIO_Pin_10 //定义使能端使用的引脚/*********************************************/#define DisIOIO GPIOE //定义12864 要使用的I/O 端口。

#define DisClkIO RCC_APB2Periph_GPIOE //定义12864 要使用的I/O 端口的时钟。

#define RS #define RW GPIO_Pin_9GPIO_Pin_8/*光标定位函数定义结束。

*/#define x1 0x80#define x2 0x88#define y 0x80GPIO_InitTypeDef GPIOStru; //定义用于定义所以引脚为输出的变量。

STM32串行驱动12864液晶

STM32串⾏驱动12864液晶⾃⼰参考⼤神们的程序改写的液晶驱动，希望对有需要的⼈能有帮助#include "stm32f10x.h"static __IO uint32_t TimingDelay;void RCC_Configuration(void);void Delay(__IO uint32_t nTime);#define Line1 0x80//液晶第⼀⾏#define Line2 0x90//液晶第⼆⾏#define Line3 0x88//液晶第三⾏#define Line4 0x98//液晶第四⾏#define LCD_IO GPIOE //我⽤的是E.2 E.3 E.4 E.5 E.6#define CS GPIO_Pin_2#define RW GPIO_Pin_3#define CLK GPIO_Pin_4#define PSB GPIO_Pin_5#define RST GPIO_Pin_6#define SET(n) GPIO_SetBits(GPIOE,n) //将对应管脚输出⾼电平#define RESET(n) GPIO_ResetBits(GPIOE,n)//输出低电平#define CMD (uint32_t)0xf8000000 //串⾏写⼊的是命令要先写⼊0xf8 #define DATE (uint32_t)0xfa000000 // 串⾏写⼊数据要先写⼊0xfavoid LCD_IOinit_OUT() //推挽输出模式，管脚配置，不多解释，库函数有{GPIO_InitTypeDef GPIO_InitStructure;GPIO_InitStructure.GPIO_Pin =CS|RW|CLK|PSB|RST;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(LCD_IO, &GPIO_InitStructure);}void LCD_Write(uint32_t cmd,uint8_t ddata)//LCD 写函数{uint32_t temp=cmd;uint32_t i;RESET(CS); //⽚选拉低temp|=((uint32_t)(ddata&(uint8_t)0xf0)<<16)+((uint32_t)(ddata&(uint8_t)0x0f)<<12);SET(CS); //⽚选拉⾼，开始传输数据for(i=0;i<24;i++){if(temp&0x80000000)SET(RW); //取出最⾼位，如果是1，那么RW就写1 else RESET(RW); //如果是0 RW就写0SET(CLK);//向液晶写数据是在下降沿写⼊的Delay(2);//稍作延时RESET(CLK);//拉低产⽣下降沿，写⼊数据temp=temp<<1;//左移⼀位，写⼊下⼀位}RESET(CS); //拉低⽚选，写⼊数据完毕}void Display(uint8_t addr,uint8_t *hz){LCD_Write(CMD,addr);Delay(3);while(*hz!='\0'){LCD_Write(DA TE,*hz);hz++;Delay(3);}}void LCD_init()//液晶初始化{RESET(CS); //拉低⽚选RESET(PSB);//PSB拉低，表⽰是串⾏，拉⾼则是并⾏RESET(RST);//拉低RSTDelay(100);SET(RST);Delay(40);LCD_Write(CMD,0x30);//8位数据传输Delay(40);LCD_Write(CMD,0x0c);//显⽰开，游标开Delay(40);LCD_Write(CMD,0x01);//清屏Delay(40);LCD_Write(CMD,0x06);//进⼊点设定AC+1Delay(40);}int main(){RCC_Configuration();SysTick_Config(72000); //配置SYSTICK时钟节拍为1ms⼀次LCD_IOinit_OUT();LCD_init();while(1){Display(Line1,"你妹");Display(Line2,"你妹");Display(Line3,"你妹妹");Display(Line4,"完事了，哈哈哈哈哈");}}void RCC_Configuration(void){SystemInit();RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE , ENABLE); }void Delay(__IO uint32_t nTime){TimingDelay = nTime;while(TimingDelay != 0);}void TimingDelay_Decrement(void){if (TimingDelay != 0x00){TimingDelay--;}}/*temp|=((uint32_t)(ddata&(uint8_t)0xf0)<<16)+((uint32_t)(ddata&(uint8_t)0x0f)<<12);重点解释⼀下这⾥，从串⾏时序图中可以看出，发送⼀个指令需要三个字节，第⼀个是0xf8或者0xfa这个根据你要发送的是命令还是数据⽽定，然后发送下⼀个数据的⾼四位和第四位，但是数据都是在⾼四位上⾯，⽤51的话我们要分三次发送，但是32的话⼀个字节可以是32位的/所以我们⼀次就能完成，这也是为什么下⾯的i<24的原因因为最后的8位没有⽤，例如：我们发送指令0x35，则应该是这样0xf8然后0x30然后0x50，这个应该很好理解所以看⼀下上⾯的语句⾸先我们cmd的值应该为0xf8000000，这个宏定义有的，这是发送命令然后我们让cmd=temp；在把temp和后⾯的计算结果做按位或运算.⾸先看这个(uint32_t)(ddata&(uint8_t)0xf0)<<16)我们的ddtate是0x35他和0xf0按位与之后/变为0x30然后左移16位变成0x30 0000；再强制转换为32位，就把⾼位补零变为0x00 30 0000再看这句话(uint32_t) (ddata&(uint8_t)0x0f)<<12)我们的ddtate是0x35他和0x0f按位与/之后变为0x05，左移12位0x05 000 强制转换为32位⾼位补零0x000 05 000 /在和前⾯的相加就是0x00 30 0000+0x000 05 000=0x0030 5000然后在和前⾯的0xf8000000按位或变为0xf830 5000 液晶读这个数据的时候是⼋位⼋位的读取所以在液晶看来是分四次的0xf8 0x30 0x50 0x00显然后⼋位没⽤所以我们只取前⾯的24位//应该能看懂了把结合时序图还有延时⼀定要精确⼤家有看不懂的可以给我留⾔*/。

stm32驱动lcd12864程序

stm32驱动lcd12864程序预览说明:预览图片所展示的格式为文档的源格式展示,下载源文件没有水印,内容可编辑和复制#include "12864.h"#include "sys.h"#include "delay.h"#include "usart.h"void p_out(void) //把PB命令端口配置成输出{rs();wr();en();psb();}void wr_outite_cmd(u8 cmd) //写命令{p_out();data_out(); //把PB数据端口配置成输出rs_out=0;wr_out=0;en_out=0;GPIOB->ODR=((GPIOB->ODR&0X00FF)|(cmd<<8));delay_ms(10);en_out=1;delay_ms(10);en_out=0;}void wr_outite_data(u8 dat) //写数据{p_out();data_out();rs_out=1;wr_out=0;en_out=0;GPIOB->ODR=((GPIOB->ODR&0X00FF)|(dat<<8)); //把dat 给PB高八位delay_ms(10);en_out=1;delay_ms(10);en_out=0;}void LCDClear(void){wr_outite_cmd(0x01); //显示清屏delay_ms(5);wr_outite_cmd(0x34); // 显示光标移动设置delay_ms(5);wr_outite_cmd(0x30); // 显示开及光标设置delay_ms(5);}void locate_x_y(u8 x,u8 y)//指定显示坐标{u8 x2=0;x2=x;if(y<1) y=1;if(y>4) y=4;x&=0x0f;switch(y){case 1:x2|=0x80;break;case 2:x2|=0x90;break;case 3:x2|=0x88;break;case 4:x2|=0x98;break;}wr_outite_cmd(x2);delay_ms(10);}void lcd_init(void){wr_outite_cmd(0x30);delay_ms(10);wr_outite_cmd(0x01);delay_ms(10);wr_outite_cmd(0x06);delay_ms(10);wr_outite_cmd(0x0c);delay_ms(10);}void DisInt(u8 x,u8 y,int fnum) //显示整型变量的函数,最多显示16位的整数。

使用stm32 SPI总线控制LCD12864

使用stm32 SPI总线控制LCD12864一、SPI初始化/****************************************************************************** ** Function Name : SPI1_Init* Description : Initializes the peripherals used by the SPI FLASH driver.* Input : None* Output : None* Return : None******************************************************************************* /void SPI1_Init(void){SPI_InitTypeDef SPI_InitStructure;GPIO_InitTypeDef GPIO_InitStructure;/* Enable SPI1 and GPIO clocks *//*!< SPI_FLASH_SPI_CS_GPIO, SPI_FLASH_SPI_MOSI_GPIO,SPI_FLASH_SPI_MISO_GPIO, SPI_FLASH_SPI_DETECT_GPIOand SPI_FLASH_SPI_SCK_GPIO Periph clock enable */RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA , ENABLE);/*!< SPI_FLASH_SPI Periph clock enable */RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);/*!< Configure SPI_FLASH_SPI pins: SCK */GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;GPIO_Init(GPIOA, &GPIO_InitStructure);/*!< Configure SPI_FLASH_SPI pins: MISO */GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;GPIO_Init(GPIOA, &GPIO_InitStructure);/*!< Configure SPI_FLASH_SPI pins: MOSI */GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;GPIO_Init(GPIOA, &GPIO_InitStructure);/*!< Configure SPI_FLASH_SPI_CS_PIN pin: SPI_FLASH Card CS pin */GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;GPIO_Init(GPIOA, &GPIO_InitStructure);/* SPI1 configuration */// Data on the DO and DIO pins are clocked out on the falling edge of CLK.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_256;SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;SPI_InitStructure.SPI_CRCPolynomial = 7;SPI_Init(SPI1, &SPI_InitStructure);/* Enable SPI1 */SPI_Cmd(SPI1, ENABLE);}二、LCD12864头文件#ifndef __LCD12864_H__#define __LCD12864_H__#include "stm32f10x.h"#define DisIO GPIOA#define DisClk RCC_APB2Periph_GPIOA#define IOData GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_7#define CS_H GPIO_SetBits(GPIOA,GPIO_Pin_4) //CS=1 PIN4#define CS_L GPIO_ResetBits(GPIOA,GPIO_Pin_4) //CS=0#define SID_H GPIO_SetBits(GPIOA,GPIO_Pin_7) //SID=1 PIN5#define SID_L GPIO_ResetBits(GPIOA,GPIO_Pin_7); //SID = 0#define CLK_H GPIO_SetBits(GPIOA,GPIO_Pin_5); //CLK = 1.PIN6#define CLK_L GPIO_ResetBits(GPIOA,GPIO_Pin_5); //CLK = 0void LCD_Init(void); //液晶初始化void LCD_Wdata(u8 data); //液晶写入数据void LCD_Wcmd(u8 cmd); //液晶写入指令void LCD_Clr(void); //清屏void DisNum(u8 x_add,u8 y_add,u8 num); //指定位置写入数字void display(unsigned char x_add,unsigned char *ptr); //指定位置写入字符串void DisStr(u8 x_add,u8 y_add,u8 *ptr); //指定位置写入字符串三、u8 SPI_SendByte(u16 data){while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET);SPI1->DR=data; //送数据return 0;}void LCD_Write(u8 data){SPI_SendByte(data&0xf0); //发送高四位SPI_SendByte((data<<4)&0xf0); //发送低四位}void LCD_Wcmd(u8 cmd){CS_H;SPI_SendByte(0xf8); //表示要发送的是指令LCD_Write(cmd);CS_L;}void LCD_Clr(){LCD_Wcmd(0x01);}void LCD_Wdata(u8 data){CS_H;SPI_SendByte(0xfa); //表示要发送的是数据LCD_Write(data);CS_L;}void DisNum(u8 x_add,u8 y_add,u8 num){u8 temp,i=0;temp=num;temp/=10;while(temp){i++;temp /= 10;}if(y_add==1) //第一行{LCD_Wcmd(x_add+0x80);}else if(y_add==2) //第二行{LCD_Wcmd(x_add+0x90);}else if(y_add==3) //第三行{LCD_Wcmd(x_add+0x80+0x08);}else //第四行LCD_Wcmd(x_add+0x90+0x08);if(i==1 || num==0)LCD_Wdata(num+0x30);else if(i==2){LCD_Wdata(num/10+0x30);LCD_Wdata(num%10+0x30);}else{LCD_Wdata(num/100+0x30);LCD_Wdata(num%100/10+0x30);LCD_Wdata(num%10+0x30);}}void display(unsigned char x_add,unsigned char *ptr){LCD_Wcmd(x_add);while(*ptr != '\0'){LCD_Wdata(*ptr);++ptr;}}void DisStr(u8 x_add,u8 y_add,u8 *ptr){if(y_add==1) //第一行{LCD_Wcmd(x_add+0x80);else if(y_add==2) //第二行{LCD_Wcmd(x_add+0x90);}else if(y_add==3) //第三行{LCD_Wcmd(x_add+0x80+0x08);}else //第四行LCD_Wcmd(x_add+0x90+0x08);while(*ptr != '\0'){LCD_Wdata(*ptr);++ptr;}}void LCD_Init(void){CS_L;SPI1_Init();Delay_us(2000);LCD_Wcmd(0x30);//基本指令集LCD_Wcmd(0x0c);LCD_Wcmd(0x01);LCD_Wcmd(0x02);LCD_Wcmd(0x80);}。

STM32驱动12864液晶屏

STM32驱动12864液晶屏#include "stm32f10x_lib.h"#define uint unsigned int#define uchar unsigned char#define RSH GPIO_SetBits(GPIOA,GPIO_Pin_0)#define RSL GPIO_ResetBits(GPIOA,GPIO_Pin_0)#define RWH GPIO_SetBits(GPIOA,GPIO_Pin_1)#define RWL GPIO_ResetBits(GPIOA,GPIO_Pin_1)#define ENH GPIO_SetBits(GPIOA,GPIO_Pin_2)#define ENL GPIO_ResetBits(GPIOA,GPIO_Pin_2)#define CS1H GPIO_SetBits(GPIOA,GPIO_Pin_3)#define CS1L GPIO_ResetBits(GPIOA,GPIO_Pin_3)#define CS2H GPIO_SetBits(GPIOA,GPIO_Pin_4)#define CS2L GPIO_ResetBits(GPIOA,GPIO_Pin_4)void RCC_Configuration(void);void NVIC_Configuration(void);void GPIO_Configuration(void);void Delay();uchar table[][16]={/*-- 文字: 我 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x20,0x20,0x22,0x22,0xFE,0x21,0x21,0x20,0x20,0xFF,0x20,0x22,0xAC,0x20,0x20,0x00 ,0x04,0x04,0x42,0x82,0x7F,0x01,0x01,0x10,0x10,0x08,0x07,0x1A,0x21,0x40,0xF0,0x00 ,/*-- 文字: 爸 --*//*-- 文字: 一 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0xC0,0x80,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,/*-- 文字: 天 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0x40,0x42,0x42,0x42,0x42,0x42,0xFE,0x42,0x42,0x42,0x42,0x42,0x42,0x40,0x00 ,0x00,0x80,0x40,0x20,0x10,0x08,0x06,0x01,0x02,0x04,0x08,0x10,0x30,0x60,0x20,0x00 ,/*-- 文字: 的 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0xF8,0x8C,0x8B,0x88,0xF8,0x40,0x30,0x8F,0x08,0x08,0x08,0x08,0xF8,0x00,0x00 ,0x00,0x7F,0x10,0x10,0x10,0x3F,0x00,0x00,0x00,0x03,0x26,0x40,0x20,0x1F,0x00,0x00 ,/*-- 文字: 成 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0x00,0xF8,0x48,0x48,0x48,0xC8,0x08,0xFF,0x08,0x09,0x0A,0xC8,0x88,0x08,0x00 ,0x40,0x30,0x0F,0x00,0x08,0x50,0x4F,0x20,0x10,0x0B,0x0C,0x12,0x21,0x40,0xF0,0x00 ,/*-- 文字: 果 --*//*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/0x00,0x00,0x00,0x3E,0x2A,0x2A,0x2A,0xFE,0x2A,0x2A,0x2A,0x3E,0x00,0x00,0x00,0x00 ,0x21,0x21,0x11,0x11,0x09,0x05,0x03,0xFF,0x03,0x05,0x09,0x09,0x11,0x31,0x11,0x00 ,};void Write_cmd_left(uchar cmd) {RSL;RWL;CS1H;GPIO_Write(GPIOF,cmd);ENL;Delay(50);ENH;Delay(50);ENL;Delay(50);CS1L;}void Write_cmd_right(uchar cmd) {RSL;RWL;CS2H;GPIO_Write(GPIOF,cmd);ENL;Delay(50);ENH;Delay(50);ENL;Delay(50);CS2L;}void Write_data_left(uchar data) {RSH;RWL;CS2L;CS1H;GPIO_Write(GPIOF,data);ENL;Delay(50);ENH;Delay(50);ENL;Delay(50);CS1L;}void Write_data_right(uchar data) {RSH;RWL;CS1L;CS2H;GPIO_Write(GPIOF,data);ENL;Delay(50);ENH;Delay(50);ENL;Delay(50);CS2L;}void led_disp(uchar *p,uchar lr) {uchar i,cl,cr;if(lr=='L'){for(i=0;i<16;i++){cl=*p;p++;Write_data_left(cl);}}if(lr=='R'){for(i=0;i<16;i++){cr=*p;p++;Write_data_right(cr);}}}void clear(){uchar i,j,disp_page;for(i=0;i<8;i++){disp_page=0xb8+i;Write_cmd_left(disp_page);Write_cmd_left(0x40);for(j=0;j<64;j++)Write_data_left(0x00);}for(i=0;i<8;i++){disp_page=0xb8+i;Write_cmd_right(disp_page);Write_cmd_right(0x40);for(j=0;j<64;j++)Write_data_right(0x00);}}void init(){Write_cmd_left(0x30);Delay(10);Write_cmd_right(0x30);Delay(10);Write_cmd_left(0x3f);Delay(10);Write_cmd_right(0x3f);Delay(10);Write_cmd_left(0xc0);Delay(10);Write_cmd_right(0xc0);}int main(void){/* Infinite loop */RCC_Configuration();NVIC_Configuration();GPIO_Configuration();clear();Delay(10);init();Delay(10);uchar i;while(1){Write_cmd_left(0xb8);Write_cmd_left(0x40);for(i=0;i<4;i++)led_disp(table[2*i],'L');Write_cmd_left(0xb8+1);Write_cmd_left(0x40);for(i=0;i<4;i++)led_disp(table[2*i+1],'L');Write_cmd_right(0xb8);Write_cmd_right(0x40);for(i=0;i<2;i++)led_disp(table[2*i+8],'R');Write_cmd_right(0xb8+1);Write_cmd_right(0x40);for(i=0;i<2;i++)led_disp(table[2*i+9],'R');}}/*******************************************************************************Function Name :RCC_Configuration.*Descriprion :configures the different system clocks.*Input :None*Output :None*Return :None******************************************************************************* /void RCC_Configuration(void){ErrorStatus HSEStartUpStatus;/*RCC system reset(for debug purpose)*/RCC_DeInit();/*Enable HSE 打开外部时钟*/RCC_HSEConfig(RCC_HSE_ON);/*Wait till HSE is read */HSEStartUpStatus = RCC_WaitForHSEStartUp();if(HSEStartUpStatus==SUCCESS)//起振成功{/*Enable PrefetchBuffer 打开flash的预存储功能*/FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);FLASH_SetLatency(FLASH_Latency_2);//设置代码延时值/*HCLK=syclk*/RCC_HCLKConfig(RCC_SYSCLK_Div1);/*PCLK2=HCLK*/RCC_PCLK2Config(RCC_HCLK_Div1);/*RCLK1=HCLK*/RCC_PCLK1Config(RCC_HCLK_Div2);/*PLLCLK=8MHZ*9=72MHZ*/RCC_PLLConfig(RCC_PLLSource_HSE_Div1,RCC_PLLMul_9);/*Enable PLL*/RCC_PLLCmd(ENABLE);/*Wait till PLL is ready*/while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY)==RESET){}/*Select PLL as system clock source*/RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);/*Wait till pll used as system clock source*/while(RCC_GetSYSCLKSource() !=0x80){}/*打开相应的外部时钟：GPIOF*/RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); }else{}}/*******************************************************************************Function Name :NVIC_Configuration.*Descriprion :configures Vector Table base location.*Input :None*Output :None*Return :None******************************************************************************* /void NVIC_Configuration(void){#ifdef VECT_TAB_RAM/*Set the vector table base location at 0x20000000*/NVIC_SetVectorTable(NVIC_VectTab_RAM,0X0);#else/*Set the vector table base location at 0x20000000*/NVIC_SetVectorTable(NVIC_VectTab_FLASH,0x0);#endif}void GPIO_Configuration(void){GPIO_InitTypeDef GPIO_InitStructure;GPIO_InitStructure.GPIO_Pin=GPIO_Pin_All;GPIO_InitStructure.GPIO_Mode =GPIO_Mode_Out_PP;//设置GPIO的工作状态GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz; / /设置GPIO的速度GPIO_Init(GPIOF,&GPIO_InitStructure);GPIO_Init(GPIOA, &GPIO_InitStructure);}/******************************************************************************延时函数******************************************************************************/void Delay(uint z){uint x,y;for(x=z;x>0;x--)for(y=100;y>0;y--);}以上是鑫洪泰的小编为你带来的液晶屏ST7565R IC驱动程序演示代码介绍，如果你想有更进一步的了解，请您关注我们微信，或者点击我们官网了解我们，也可以在线咨询或者拨打我们的热线电话与我们联系！我们会有专业的工作人员为你实时解答。

基于STM32的12864的串行程序

#include"stm32f10x_gpio.h"
#include"stm32f10x_rcc.h"
#include"12864header.h"
GPIO_InitTypeDef GPIO_InitStructure;
#define DELAY_2N 0
void Init_lcd(void)
{
//***************液晶接口初始化***********//
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE,ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;
void SendEData(unsigned char Data)
{
unsigned char q,w,i;
w=Data;
q=2;
set_cs() ;
while(q--)
{
for(i=0;i<4;i++)
{
w="Data"&0x80;
set_clk();
set_sid();
clr_clk();
set_clk();
clr_sid();
clr_clk();
set_clk();
SendEData(*h);
}
}//send hanzi
/*--------------------------------------------------
函数说明：写字符

stm32-12864并行驱动程序

#include "display12864.h"f/********** 以下是相关引脚定义。

**************/// A 口的#define DisIO GPIOE //定义12864 要使用的I/O 端口。

#define DisClk RCC_APB2Periph_GPIOE //定义12864 要使用的I/O 端口的时钟。

#define EN GPIO_Pin_10 //定义使能端使用的引脚/*********************************************/#define DisIOIO GPIOE //定义12864 要使用的I/O 端口。

#define DisClkIO RCC_APB2Periph_GPIOE //定义12864 要使用的I/O 端口的时钟。

#define RS #define RW GPIO_Pin_9GPIO_Pin_8/*光标定位函数定义结束。

*/#define x1 0x80#define x2 0x88#define y 0x80GPIO_InitTypeDef GPIOStru; //定义用于定义所以引脚为输出的变量。

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#define LCD_EN_0 LCD_CONTROL->BRR &=~LCD_EN_Pin;LCD_CONTROL->BRR |=LCD_EN_Pin //EN置低电平
#define LCD_RESET_0 LCD_CONTROL->BRR = LCD_RESET_Pin // 复位
#define LCD_RESET_1 LCD_CONTROL->BSRR = LCD_RESET_Pin // 复位脚拉高
#define LCD_RW_Pin GPIO_Pin_14 //默认LCD12864 RW -- PD.14
#define LCD_EN_Pin GPIO_Pin_15 //默认LCD12864 E -- PD.15
#define LCD_CONTROL_CLOCK RCC_APB2Periph_GPIOD //默认LCD12864的控制口时钟
void LCD_DispChar(char ch); //显示一个字符
void LCD_Setpos_DispChar(uint16_t row,uint16_t col,char ch);//在指定位置显示一个字符
void LCD_DispString(char str[]); //显示一个字符串，显示位置需提前设定
//在指定位置显示一个字符串
void LCD_Setpos_DispString(uint16_t row,uint16_t col,char str[]);
void LCD_Dispnum(uint32_t num); //显示一个不超过8位的整数，显示位置需提前设置
//在指定位置显示一个不超过8位的整数
#define DATAOUT LCD_DATAPORT->ODR &=0xff00;LCD_DATAPORT->ODR // 数据输出寄存器
#define DATAIN LCD_DATAPORT->IDR // 数据输入寄存器
#define LCD_BF ((DATAIN)& 0x0080) // 忙状态
void LCD_Setpos_Dispnum(uint16_t row,uint16_t col,uint32_t num);
void LCD_DispDecimal(uint32_t num,uint16_t dot);//显示一个有效位不超过8位的浮点数,显示位置需要数
void LCD_Setpos_DispDecimal(uint16_t row,uint16_t col,uint32_t num,uint16_t dot);
//显示日历，显示日期与时间
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[]); //显示一幅图像 128*64
//屏幕整体左移一格，用于滚动显示
#define LCD_RS_0 LCD_CONTROL->BRR &=~LCD_RS_Pin;LCD_CONTROL->BRR |=LCD_RS_Pin //RS置低电平
#define LCD_RW_1 LCD_CONTROL->BSRR &=~LCD_RW_Pin;LCD_CONTROL->BSRR |=LCD_RW_Pin //RW置高电平
#define LCD_DATAPORT GPIOD //默认LCD12864的数据口在PD口
#define LCD_RESET_Pin GPIO_Pin_12 //默认LCD12864的复位引脚连接到PD.12 也可不用
#define LCD_RS_Pin GPIO_Pin_13 //默认LCD12864 RS -- PD.13
基于STM32--LCD12864驱动程序
STM32 LCD12864驱动程序（头文件） (2012-05-29 21:25:08)转载▼
标签：杂谈
#ifndef LCD12864_H
#define LCD12864_H
#define LCD_CONTROL GPIOD //默认LCD12864的控制口在PD口
#define LCD_RW_0 LCD_CONTROL->BRR &=~LCD_RW_Pin;LCD_CONTROL->BRR |=LCD_RW_Pin //RW置低电平
#define LCD_EN_1 LCD_CONTROL->BSRR &=~LCD_EN_Pin;LCD_CONTROL->BSRR |=LCD_EN_Pin //EN置高电平
#define LCD_DATAPORT_CLOCK RCC_APB2Periph_GPIOD //默认LCD12864的数据口时钟
#define LCD_RS_1 LCD_CONTROL->BSRR &=~LCD_RS_Pin;LCD_CONTROL->BSRR |=LCD_RS_Pin //RS置高电平
void LCD_delayus(unsigned long n); //延时 n(us)
void LCD_delayms(unsigned long n); //延时 n(ms)
void LCD_WriteInitcmd(uint8_t initcmd); //写初始化命令
void LCD_WaitLaisure(void); //一直等待到LCD内部操作完成，变为空闲状态
void LCD_Writecmd(uint8_t cmd); //写命令到LCD12864
void LCD_WriteByte(uint8_t byte); //写一字节数据到LCD12864
void LCD_pos(uint16_t pos); //LCD显示位置设置
void LCD_Setpos(uint16_t row,uint16_t col);//设定LCD12864的显示地址，根据习惯