基于STM32的LCD1602显示

#include “lcd.h“



void LCD_GPIO_Config（void）
{
	GPIO_InitTypeDef  GPIO_InitStruct;
	RCC_APB2PeriphClockCmd（LCD_RS_CLK|LCD_DB0_CLK ENABLE）;  //使能引脚时钟
	GPIO_InitStruct.GPIO_Mode=GPIO_Mode_Out_PP;
	GPIO_InitStruct.GPIO_Pin=LCD_RS_PIN|LCD_RW_PIN|LCD_E_PIN;
	GPIO_InitStruct.GPIO_Speed=GPIO_Speed_50MHz;
	GPIO_Init（LCD_RS_PORT&GPIO_InitStruct）;	
	
	GPIO_InitStruct.GPIO_Pin=LCD_DB0_PIN|LCD_DB1_PIN|LCD_DB2_PIN|LCD_DB3_PIN|LCD_DB4_PIN|LCD_DB5_PIN|LCD_DB6_PIN|LCD_DB7_PIN;	
	GPIO_Init（LCD_DB0_PORT&GPIO_InitStruct）;
}

void delay（u32 i）
{
	i=i+10;
	while（i--）;
}


void Busy_Wait（void）
{
	GPIO_InitTypeDef  GPIO_InitStruct;
	GPIO_InitStruct.GPIO_Mode=GPIO_Mode_IN_FLOATING;
	GPIO_InitStruct.GPIO_Pin=LCD_DB0_PIN|LCD_DB1_PIN|LCD_DB2_PIN|LCD_DB3_PIN|LCD_DB4_PIN|LCD_DB5_PIN|LCD_DB6_PIN|LCD_DB7_PIN;	
	GPIO_Init（LCD_DB0_PORT&GPIO_InitStruct）;
	
	RS_L;
	RW_H;
	E_L;
	delay（5）;
	E_H;
	while（GPIO_ReadInputDataBit（LCD_DB0_PORTLCD_DB7_PIN）==1）;
	E_L;
	GPIO_InitStruct.GPIO_Mode=GPIO_Mode_Out_PP;
	GPIO_InitStruct.GPIO_Pin=LCD_DB0_PIN|LCD_DB1_PIN|LCD_DB2_PIN|LCD_DB3_PIN|LCD_DB4_PIN|LCD_DB5_PIN|LCD_DB6_PIN|LCD_DB7_PIN;	
	GPIO_Init（LCD_DB0_PORT&GPIO_InitStruct）;
}

void LCD_WRITE_CMD（u8 cmd）
{
	Busy_Wait（）;
	E_L;
	RS_L;
	RW_L;
	E_H;
	GPIO_Write（LCD_DB0_PORT cmd）;
	E_L;
	delay（5）;
	E_H;
	RW_H;
}

void LCD_WRITE_DAT（u8 dat）
{
	Busy_Wait（）;
	E_L;
	RS_H;
	RW_L;
	E_H;
	GPIO_Write（LCD_DB0_PORT dat）;
	E_L;
	delay（5）;
	E_H;
	RW_H;
}




void LCD_INIT（void）
{
	LCD_GPIO_Config（）;
	E_L;
	RS_L;
	RW_L;
	delay（5）;
	LCD_WRITE_CMD（0x38）;
	LCD_WRITE_CMD（0x0c）;
	LCD_WRITE_CMD（0x06）;
	LCD_WRITE_CMD（0x01）;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-02-25 23:25  LCD_1602
     目录           0  2016-02-26 00:22  LCD_1602BSP
     文件        1707  2016-02-26 00:22  LCD_1602BSPlcd.c
     文件        1718  2016-02-25 23:58  LCD_1602BSPlcd.h
     文件         359  2016-02-25 19:54  LCD_1602BSPled.c
     文件         140  2016-02-25 19:41  LCD_1602BSPled.h
     文件        2049  2016-02-25 23:25  LCD_1602BSPuart.c
     文件         182  2016-02-25 20:31  LCD_1602BSPuart.h
     目录           0  2016-02-25 23:25  LCD_1602CORE&START
     目录           0  2016-02-25 23:25  LCD_1602CORE&STARTarm
     文件       15766  2011-03-10 10:52  LCD_1602CORE&STARTarmstartup_stm32f10x_cl.s
     文件       15503  2011-03-10 10:52  LCD_1602CORE&STARTarmstartup_stm32f10x_hd.s
     文件       15692  2011-03-10 10:52  LCD_1602CORE&STARTarmstartup_stm32f10x_hd_vl.s
     文件       12376  2011-03-10 10:52  LCD_1602CORE&STARTarmstartup_stm32f10x_ld.s
     文件       13656  2011-03-10 10:52  LCD_1602CORE&STARTarmstartup_stm32f10x_ld_vl.s
     文件       12765  2011-03-10 10:52  LCD_1602CORE&STARTarmstartup_stm32f10x_md.s
     文件       14073  2011-03-10 10:51  LCD_1602CORE&STARTarmstartup_stm32f10x_md_vl.s
     文件       15955  2011-03-10 10:51  LCD_1602CORE&STARTarmstartup_stm32f10x_xl.s
     文件       17273  2010-06-07 10:25  LCD_1602CORE&STARTcore_cm3.c
     文件       85714  2011-02-09 14:59  LCD_1602CORE&STARTcore_cm3.h
     文件      633941  2011-03-10 10:51  LCD_1602CORE&STARTstm32f10x.h
     文件        3259  2011-04-04 19:03  LCD_1602CORE&STARTstm32f10x_conf.h
     文件        4669  2016-02-25 20:34  LCD_1602CORE&STARTstm32f10x_it.c
     文件        2086  2011-04-04 19:03  LCD_1602CORE&STARTstm32f10x_it.h
     文件       36557  2011-04-04 19:03  LCD_1602CORE&STARTsystem_stm32f10x.c
     文件        2085  2011-03-10 10:51  LCD_1602CORE&STARTsystem_stm32f10x.h
     目录           0  2016-02-25 23:25  LCD_1602LIB
     目录           0  2016-02-25 23:25  LCD_1602LIBinc
     文件        8982  2011-03-10 10:47  LCD_1602LIBincmisc.h
     文件       21690  2011-03-10 10:47  LCD_1602LIBincstm32f10x_adc.h
     文件        7555  2011-03-10 10:47  LCD_1602LIBincstm32f10x_bkp.h
............此处省略101个文件信息