LCD12864驱动程序(STM32F103RCT6)

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基于某STM32LCD12864驱动程序

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。

LCD12864驱动程序(带字库的)

LCD12864驱动程序(带字库的)
/*void delayuS(uchar buf)
{
while(buf--);
}*/
/***********忙检测********************/
void Busy()
{
DataPort=0xFF;
RS=0;
RW=1;
while (1)
{
E =1;
if (P0^7==0) break;
}
E=0;
}
void main(void)
{
TMOD=0x01; ///选择定时器模式
TR0=1; //开中断,并允许T0中断
ET0=1;
EA=1; //总开关
Init_LCቤተ መጻሕፍቲ ባይዱ();
Clear_LCD();
while(1);
}
void t0(void) interrupt 1 using 0
{
//delay(100);
/*void Line_Num(uchar k)
{
//uint l;
if(k>=128&&k<=135)l=1;
if(k>135&&k<=143) l=3;
if(k>143&&k<=151) l=2;
if(k>151&&k<=159) l=4;
}*/
/*******************逐行显示***************************************/
void Write_Data(uchar Data)
{
Busy();
RS=1;
RW=0;

stm32f103rct6程序例子

stm32f103rct6程序例子

stm32f103rct6程序例子以stm32f103rct6程序例子为题,我们来介绍一些关于该例子的内容。

1. 引言在这个例子中,我们将使用stm32f103rct6微控制器来实现一个简单的LED闪烁程序。

该程序将通过设置GPIO引脚状态来控制LED的亮灭。

2. 初始化设置我们需要进行初始化设置。

我们将使用stm32的库函数来配置GPIO 引脚和时钟。

代码如下:```c#include "stm32f10x.h"void GPIO_Init(void){GPIO_InitTypeDef GPIO_InitStructure;RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOC, &GPIO_InitStructure);}```在上述代码中,我们使用GPIOC的第13号引脚作为输出引脚,并将其配置为推挽输出模式。

3. 主函数接下来,我们将在主函数中实现LED闪烁的逻辑。

代码如下:```cint main(void){GPIO_Init();while(1){GPIO_SetBits(GPIOC, GPIO_Pin_13);Delay(1000000);GPIO_ResetBits(GPIOC, GPIO_Pin_13);Delay(1000000);}}```在上述代码中,我们使用GPIO_SetBits()函数将GPIOC的第13号引脚设置为高电平,从而点亮LED。

然后,我们使用Delay()函数进行延时,以保持LED亮的时间。

STM32驱动12864液晶屏

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。

lcd12864程序流程图

lcd12864程序流程图

lcd12864 程序流程图
我们常用的人机交互显示界面中,除了数码管,LED,以及我们之前已经提到的LCD1602 之外,还有一种液晶屏用的比较多。

相信接触过单片机的朋友都知道了,那就是12864 液晶。

顾名思义,12864 表示其横向可以显示128 个点,纵向可以显示64 个点。

我们常用的12864 液晶模块中有带字库的,也有不带字库的,其控制芯片也有很多种,如KS0108 、T6963,ST7920 等等。

在这里我们以ST7920 为主控芯片的12864 液晶屏来学习如何去驱动它。

(液晶屏采用金鹏的OCMJ4X8C)。

lcd12864 液晶说明:
我们先来了解一下它的并行连接情况。

下面是电路连接图:
上面的图可以看出,液晶模块和单片机的连接除了P0 口的8 位并行数据线之外,还有RS,RW,E 等几根线。

其中R/S 是指令和数据寄存器的选择控制线(串行模式下为片选),R/W 是读写控制线(串行模式下是数据线),E 是使能线(串行模式下为时钟线)。

通过这几根控制线和数据线,再结合它的时序图,我们就可以编写出相应的驱动程序啦。

看看并行模式下的写时序图:。

12864液晶屏串口驱动程序

12864液晶屏串口驱动程序

12864液晶屏串口驱动程序代码12864液晶屏驱动采用4_Wire-SPI串口驱动方式,可有效的减少IO口的占用,方便使用调试,本程序的代码驱动IC为ST7565R,是基于STC89C53RC的12864串行模式的程序,硬件电路连接只需要5根线:RS、 SDA、 SCLK、RES、CS 。

程序已经调试通过,很好用。

代码如下://----------------------------------------------------------------------/*hotdisplay CO,.LTD.*/// Module : HTG12864// Lanuage : C51 Code// Create :// Version : 1.0// Date : OCT-21-2016// LCM Drive IC : ST7565R// INTERFACE : 4_Wire-SPI// MCU : STC89C53RC// VDD : 3.3V//********************************************************* ******************#include<reg51.h>#define uchar unsigned char#define uint unsigned intuchar bdata transdata;sbit R_S= P3^5;sbit RES= P3^4;sbit SCK= P1^6;sbit SDA= P1^7;sbit CS1= P3^7;sbit transbit = transdata^7 ;#define Page 0xb0//##########################################//void Comwrite(unsigned char com); //D′??á?3ìDò//void Datawrite(unsigned char dat);void Delay(unsigned int time); //?óê±×ó3ìDò//char code Hanzi[]={0xFF,0x01,0x01,0x09,0xF9,0x09,0x01,0x01,0x09,0xF9,0x09,0xE1 ,0x11,0x09,0x09,0x09,0x11,0xE1,0x01,0x19,0x09,0x09,0xF9,0x09,0x09,0x19,0x01,0x01 ,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x09,0xF9,0x09,0x09,0x09,0x11,0xE1,0x01,0x01 ,0x09,0x09,0xF9,0x09,0x09,0x01,0x01,0x01,0x71,0x89,0x09,0x09,0x09,0x39,0x01,0x09 ,0xF9,0x09,0x09,0x09,0x09,0xF1,0x01,0x01,0x01,0xC1,0x39,0xE1,0x01,0x01,0x01,0x09 ,0xF9,0x09,0x01,0x01,0x01,0x01,0x01,0x09,0x39,0xC9,0x01,0xC9,0x39,0x09,0x01,0x01 ,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x09,0xF9,0x09,0x01,0x01,0x01,0x01,0x01,0xC1 ,0x31,0x09,0x09,0x09,0x09,0x39,0x01,0x09,0xF9,0x09,0x09,0x09,0x11,0xE1,0x01,0x01 ,0x01,0x01,0x01,0xFF,0xFF,0x00,0x00,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,0x0F ,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,0x00 ,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,0x20 ,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,0x20 ,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,0x07 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,0xA0,0x91,0x8E,0x80,0x80,0x87,0x84,0xA4,0xA4,0xBF,0xA4,0x80,0x80,0x99,0xA1,0xA0 ,0xA0,0x91,0x8E,0xFF};//###############################################//char code Hanzi1[]={0x00,0x04,0xFC,0x84,0x84,0x84,0x84,0x78,0x00,0x00,0x00,0xA0 ,0xA0,0xA0,0xA0,0xC0,0x00,0x00,0x00,0xC0,0x40,0x20,0x20,0x44,0xFC,0x00,0x00,0x00 ,0x00,0x20,0x20,0xE4,0x00,0x00,0x00,0x00,0x00,0xC0,0x40,0x20,0x20,0x20,0x40,0xC0 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x84,0x84,0x84 ,0x44,0xF8,0x00,0x00,0x00,0x08,0x04,0x04,0x84,0x44,0x38,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF0,0x88,0x44,0x44,0x44,0x80,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0xFC,0x30,0xC0,0x00,0xC0,0x30,0xFC,0x04 ,0x04,0xFC,0x44,0x40,0x40,0x40,0x44,0xFC,0x04,0x00,0x60,0x20,0x20,0x20,0xA0,0x60 ,0x20,0x00,0x00,0x00,0x40,0x48,0x4F,0x48,0x40,0x41,0x42,0x4C,0x48,0x40,0x47,0x48 ,0x48,0x48,0x48,0x47,0x48,0x40,0x40,0x47,0x44,0x48,0x48,0x44,0x4F,0x48,0x40,0x40 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,0x00,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00 ,0x00,0xF0,0x00,0x00,0x00,0x00,0x80,0x40,0x20,0x10,0x00,0x00,0x80,0x00,0x80,0x80 ,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x00,0xC0,0x30,0x00,0xF0,0x00,0x80 ,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x1F,0x1F,0x1F,0xFF,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0 ,0xE0,0xFF,0x1F,0x1F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0xFF ,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xFF,0x1F,0x1F,0x1F,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0xFF,0xE0,0xE0,0xE0,0xE0 ,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xE0,0xFF,0x1F,0x1F,0x1F,0x00,0x00,0x00,0x00,0x00 ,0x00,0xFF,0x08,0x04,0x02,0x07,0x08,0x30,0x40,0x80,0x00,0x00,0xFF,0x01,0x00,0x00 ,0x00,0xFF,0x01,0x00,0x00,0x00,0xFF,0x00,0xC0,0x3C,0x03,0x00,0x00,0xFF,0x01,0x00 ,0x00,0x00,0xFF,0x00,0x04,0x04,0x84,0x44,0x44,0x44,0x84,0x04,0x04,0x04,0x84,0x44 ,0x44,0x44,0x84,0x04,0x04,0x04,0x84,0x84,0xC4,0x04,0x04,0x04,0x04,0x04,0x84,0x44 ,0x44,0x44,0x84,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x84,0x84 ,0xC4,0x04,0x04,0x04,0x04,0x04,0x84,0x44,0x44,0x44,0x84,0x04,0x04,0x04,0x04,0x04 ,0x04,0x04,0x04,0x04,0x04,0x04,0x84,0x44,0x44,0x44,0x84,0x04,0x04,0x04,0x84,0x44 ,0x44,0x44,0x84,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x84,0x84 ,0xC4,0x04,0x04,0x04,0x04,0x04,0xC4,0x44,0x44,0x44,0x44,0x04,0x04,0x04,0x04,0x04 ,0x04,0x04,0x04,0x04,0x04,0x84,0x44,0x44,0x44,0x84,0x04,0x04,0x04,0xC4,0x44,0x44 ,0x44,0x44,0x04,0x04,0x00,0x00,0x60,0x50,0x48,0x44,0x43,0x00,0x00,0x00,0x3F,0x40 ,0x40,0x40,0x3F,0x00,0x00,0x00,0x40,0x40,0x7F,0x40,0x40,0x00,0x00,0x00,0x3F,0x40 ,0x40,0x40,0x3F,0x00,0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00,0x40,0x40 ,0x7F,0x40,0x40,0x00,0x00,0x00,0x60,0x50,0x48,0x44,0x43,0x00,0x00,0x08,0x08,0x08 ,0x08,0x08,0x08,0x08,0x00,0x00,0x20,0x40,0x44,0x44,0x3B,0x00,0x00,0x00,0x3F,0x40 ,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x40 ,0x7F,0x40,0x40,0x00,0x00,0x00,0x27,0x44,0x44,0x44,0x38,0x00,0x00,0x00,0x00,0x00 ,0x21,0x00,0x00,0x00,0x00,0x60,0x50,0x48,0x44,0x43,0x00,0x00,0x00,0x27,0x44,0x44 ,0x44,0x38,0x00,0x00,};void Delay(unsigned int time){unsigned char j;while(time--){for(j=0;j<=50;j++){}}}/******************************************************/ void Display(unsigned char sda,unsigned char sda1){unsigned char i,j,k=0;Comwrite(0x40);for(i=0;i<8;i++){Comwrite(Page+k);Comwrite(0x10);Comwrite(0x00);for(j=0;j<66;j++){Datawrite(sda);Datawrite(sda1);}k++;}}/*****************************************************/void Hanzi_Disp(void){unsigned char i,j,k=0;Comwrite(0x40);for(i=0;i<8;i++){Comwrite(Page+k);Comwrite(0x10);Comwrite(0x00);for(j=0;j<128;j++){Datawrite(Hanzi[i*128+j]);}k++;}Delay(5000);}void Hanzi_Disp1(void){unsigned char i,j,k=0;Comwrite(0x40);for(i=0;i<8;i++){Comwrite(Page+k);Comwrite(0x10);Comwrite(0x00);for(j=0;j<128;j++){Datawrite(Hanzi1[i*128+j]);}k++;}Delay(5000);}//######################################################### void Intial(void){Delay(100);Comwrite(0xe3);Comwrite(0xA2);Comwrite(0xA0); //A0为正显示,A1为镜像显示Comwrite(0xc9);Comwrite(0x2c);Comwrite(0x2e);Comwrite(0x2F);Comwrite(0xf8);Comwrite(0x00);Comwrite(0x81);Comwrite(0x10);Comwrite(0x25);Comwrite(0xAF);Comwrite(0x40);Delay(20);}/********************************************************** /int main(){/*PINSEL0=0x00000000; IO0DIR=SPIIOCON;RES=0;Delay(20);RES=1;Delay(20);while(1){Intial();Delay(20);Display(0xFF,0xFF);Delay(1000);Display(0x00,0x00);Delay(1000);Display(0xFF,0x00);Delay(1000);Display(0x00,0xff);Delay(1000);Display(0x55,0xAA);Delay(1000);Display(0xAA,0x55);Delay(1000);Hanzi_Disp(); Delay(1000);Hanzi_Disp1();Delay(1000);}}//###############################################// void Comwrite(char com){unsigned char data i;transdata=com;CS1=0;R_S=0;SCK=1;for(i=0;i<8;i++){SDA=transbit;SCK=0;SCK=1;transdata=transdata<<1;}CS1=1;R_S=0;}//######################################################### ##//void Datawrite(char dat){unsigned char data i;transdata=dat;CS1=0;R_S=1;SCK=1;for(i=0;i<8;i++){SDA=transbit;SCK=0;SCK=1;transdata=transdata<<1;}CS1=1;R_S=0;}以上是鑫洪泰的小编为你带来的12864液晶屏驱动程序编写示例,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。

LCD12864液晶驱动编程指南

LCD12864液晶驱动编程指南

二、显示图片
显示图片和显示汉字的原理是一样的, 只不过是大小的问题! 现在我们就以一张 128*64 分辨率的图片进行取模。 取模图片:
现在我们主要看一下显isplay_BMP(uchar a[][64])//显示图形的左边部分 { uchar i,j; for(j=0;j<8;j++) { SelectScreen(1); Set_page(j); Set_column(0); for(i=0;i<64;i++) //显示左屏 { write_LCD_data(a[2*j][i]);//每隔一行取一次数组中的数据 } SelectScreen(2); Set_page(j); Set_column(0); for(i=0;i<64;i++) //显示右屏 { write_LCD_data(a[2*j+1][i]);//每隔一行取一次数组中的数据 } } } 取出图片的数据是二维数组形式!注意,液晶是先显示左半屏,再显示右半屏, 但 是取数组中的元素是逐个往下取出的, 所以是对于一个半屏而言, 每隔一行取数组中的元素, 而隔去的那一行是另一个半屏要取的数据!这一点一定要注意。 还有一点要补充的就是,这个取模软件只能识别 BMP 和 ICO 格式的单色图片,如果我 们选择的图片不是 128*64 大小的话, 可以通过软件将其改成 128*64 大小的, 如果我们直接 用软件取模的话,显示的会是乱码,解决办法是我们可以通过 windows 自带的画图工具, 什么也不做修改,将大小设置好的图片另存为 BMP 单色文件就行了,然后再用取模软件取 模就 OK 了,=^_^ = !算了,给大家截个图
LCD_databusrite_LCD_command(column);//列位置 } void SetOnOff(uchar onoff) //显示开关 函数:0x3E 是关显示,0x3F 是开显示 { onoff=0x3e|onoff; //0011 111x,onoff 只能为 0 或者 1 write_LCD_command(onoff); } void SelectScreen(uchar screen) //选屏 { switch(screen) { case 0: CS1=0;CS2=0;break; //全屏 case 1: CS1=0;CS2=1;break;//左半屏 case 2: CS1=1;CS2=0;break;//右半屏 default:break; } } void ClearScreen(uchar screen) { uchar i,j; SelectScreen(screen); for(i=0;i<8;i++)//控制页数 0-7,共 8 页 { Set_page(i); Set_column(0); for(j=0;j<64;j++) //控制列数 0-63,共 64 列 { write_LCD_data(0x00); //写入 0,地址指针自加 1 } } } void InitLCD() { Read_busy(); SelectScreen(0); SetOnOff(0); //关显示 SelectScreen(0); SetOnOff(1); //开显示 SelectScreen(0); //LCD 的初始化 } void main() { InitLCD(); ClearScreen(0); Set_line(0); Display(1,0,2*16,huan);//欢 Display(1,0,3*16,ying);//迎 Display(2,0,0*16,fang);//访 Display(2,0,1*16,wen);//问 Display(1,2,0*16,da);//大 Display(1,2,1*16,hai);//海 Display(1,2,2*16,xiang);//橡 Display(1,2,3*16,shu);//树 Display(2,2,0*16,bai);//百 Display(2,2,1*16,du);//度 Display(2,2,2*16,kong);//空 Display(2,2,3*16,jian);//间 While(1); } //初始化 //清屏 //显示开始行 } //清屏 据输出 { write_LCD_data(p[i+16]); //汉字的下半部分 上半部分 } Set_page(page+1); //写下半页 Set_column(column); for(i=0;i<16;i++) //控制列 //控制 16 列的数 } void Display(uchar ss,uchar page,uchar column,uchar *p) { uchar i; SelectScreen(ss); Set_page(page); for(i=0;i<16;i++) 的数据输出 { write_LCD_data(p[i]); //汉字的 //写上半页 //控制 16 列 Set_column(column); //控制列 //显示汉字 ClearScreen(0);//清屏 Set_line(0); //开始行:0

LCD12864驱动程序(STM32F103RCT6)

LCD12864驱动程序(STM32F103RCT6)
u8 i = 0;
CS_LOW; RS_DATA; for(i=0;i<8;i++) {
SCLK_LOW; if(data&0x80) {
SDA_HI; } else {
SDA_LOW; } SCLK_HI; data <<= 1; } } /************************************************************************ 函 数 名:void JLX12864_Init(void) 功 能:12864 初始化 入口参数:无 返 回 值:无 说 明: 作 者:Joe 日 期:2015/1/13 16:33:38 修 改:XX 修改说明:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
************************************************************************/ void JLX12864_Init(void) {
GPIO_Init(GPIOB, GPIO_Pin_1, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(GPIOB, GPIO_Pin_2, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(GPIOB, GPIO_Pin_3, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(GPIOB, GPIO_Pin_5, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(GPIOB, GPIO_Pin_6, GPIO_Mode_Out_PP_High_Fast);
/************************************************************************ 函 数 名:JLX12864_ClearScreen(void) 功 能:清屏 入口参数:无 返 回 值:无 说 明: 作 者:Joe 日 期:2015/1/13 16:33:38 修 改:XX 修改说明:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ************************************************************************/ void JLX12864_ClearScreen(void) {
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修 改:XX 修改说明:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ************************************************************************/ void JLX12864_Address(u8 page,u8 column) {
u8 i = 0;
CS_LOW; RS_COM; for(i=0;i<8;i++) {
SCLK_LOW; if(command&0x80) {
SDA_HI; } else {
SDA_LOW; } SCLK_HI; command <<= 1; }
}
/************************************************************************ 函 数 名:void JLX12864_TransferData(u8 data) 功 能:12864 发送数据 入口参数:data:数据 返 回 值:无 说 明: 作 者:Joe 日 期:2015/1/13 16:33:38 修 改:XX 修改说明:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ************************************************************************/ void JLX12864_TransferData(u8 data) {
CS_LOW; RESET_LOW; /*低电平复位*/ Delay(100); RESET_HI; /*复位完毕*/ Delay(20); JLX12864_TransferCommand(0xe2); /*软复位*/ Delay(5); JLX12864_TransferCommand(0x2c); /*升压步聚 1*/ Delay(5); JLX12864_TransferCommand(0x2e); /*升压步聚 2*/ Delay(5); JLX12864_TransferCommand(0x2f); /*升压步聚 3*/ Delay(5); // JLX12864_TransferCommand(0x23); /*粗调对比度,可设置范围 0x20~0x27*/ JLX12864_TransferCommand(0x24); /*粗调对比度,可设置范围 0x20~0x27*/
在 STM32F103RCT6 上调试通过
#define CS_LOW GPIO_WriteBit(GPIOB,GPIO_Pin_1, RESET) #define CS_HI GPIO_WriteBit(GPIOB,GPIO_Pin_1, SET) #define RESET_LOW GPIO_WriteBit(GPIOB,GPIO_Pin_2, RESET) #define RESET_HI GPIO_WriteBit(GPIOB,GPIO_Pin_2, SET) #define RS_COM GPIO_WriteBit(GPIOB,GPIO_Pin_3, RESET) #define RS_DATA GPIO_WriteBit(GPIOB,GPIO_Pin_3, SET) #define SCLK_LOW GPIO_WriteBit(GPIOB,GPIO_Pin_6, RESET) #define SCLK_HI GPIO_WriteBit(GPIOB,GPIO_Pin_6, SET) #define SDA_LOW GPIO_WriteBit(GPIOB,GPIO_Pin_5, RESET) #define SDA_HI GPIO_WriteBit(GPIOB,GPIO_Pin_5, SET)
功 能:显示宽*高=8*16 字符 入口参数:无 返 回 值:无 说 明: 作 者:Joe 日 期:2015/1/13 16:33:38 修 改:XX 修改说明:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ************************************************************************/ //void JLX12864_DisplayString(u8 page,u8 column,u8 *text) //{ // u8 i=0,j,k,n; // cs1=0; //while(text[i]>0x00) //{ //if((text[i]>=0x20)&&(text[i]<=0x7e)) //{ //j=text[i]-0x20; //for(n=0;n<2;n++) //{ //lcd_address(page+n,column); //for(k=0;k<8;k++) //{ //transfer_data(ascii_table_8x16[j][k+8*n]);/*显示 的 ASCII 字到 LCD 上,y 为页地址,x 为 列地 //址,最后为数据*/ //} //} //i++; //column+=8; //} //else //i++; //} //} /************************************************************************ 函 数 名:void JLX12864_DisplayGraphic(u8 page,u8 column,u8 *dp) 功 能:显示宽*高=8*16 数字或图形 入口参数:无 返 回 值:无 说 明: 作 者:Joe 日 期:2015/1/13 16:33:38 修 改:XX
CS_LOW; column = column-1; //我们平常所说的第 1 列,在 LCD 驱动 IC 里是第 0 列。所以在这 里减去 1 page = page-1; JLX12864_TransferCommand(0xb0+page); //设置页地址。每页是 8 行。一个画面的 64 行 被分成 8 个页。我们平常所说的第 1 页,在 LCD 驱动 IC 里是第 0 页,所以在这里减去 1*/ JLX12864_TransferCommand(((column>>4)&0x0f)+0x10); //设置列地址的高 4 位 JLX12864_TransferCommand(column&0x0f); //设置列地址的低 4 位 }
u8 i = 0;
CS_LOW; RS_D43;+) {
SCLK_LOW; if(data&0x80) {
SDA_HI; } else {
SDA_LOW; } SCLK_HI; data <<= 1; } } /************************************************************************ 函 数 名:void JLX12864_Init(void) 功 能:12864 初始化 入口参数:无 返 回 值:无 说 明: 作 者:Joe 日 期:2015/1/13 16:33:38 修 改:XX 修改说明:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
u8 i = 0; u8 j = 0; CS_LOW; for(i=0;i<9;i++) {
JLX12864_Address(1+i,1); for(j=0;j<132;j++) {
JLX12864_TransferData(0x00); } } CS_HI; }
/************************************************************************ 函 数 名:void JLX12864_DisplayString(u8 page,u8 column,u8 *text)
修改说明:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX ************************************************************************/ void JLX12864_DisplayGraphic(u8 page,u8 column,u8 *dp) {
************************************************************************/ void JLX12864_Init(void) {
GPIO_Init(GPIOB, GPIO_Pin_1, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(GPIOB, GPIO_Pin_2, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(GPIOB, GPIO_Pin_3, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(GPIOB, GPIO_Pin_5, GPIO_Mode_Out_PP_High_Fast); GPIO_Init(GPIOB, GPIO_Pin_6, GPIO_Mode_Out_PP_High_Fast);
JLX12864_TransferCommand(0x81); /*微调对比度*/ JLX12864_TransferCommand(0x28); /*0x1a,微调对比度的值,可设置范围 0x00~0x3f*/
JLX12864_TransferCommand(0xa2); /*1/9 偏压比(bias)*/ JLX12864_TransferCommand(0xc8); /*行扫描顺序:从上到下*/ JLX12864_TransferCommand(0xa0); /*列扫描顺序:从左到右*/ JLX12864_TransferCommand(0x40); /*起始行:第一行开始*/ JLX12864_TransferCommand(0xaf); /*开显示*/ CS_HI; }
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