lcd.zip_LED_visual c

#include "lcd.h" #include "delaytime.h" #include "dotarry.h" #include "uart0.h" LCD_COM lcdcom ; /************************************************************************************** *文件名:LCD延时子函数 *功能:LCD延时子函数 *输入参数:LCD延时time *输出参数:无 *说明: ***************************************************************************************/ void LCD_SYS_Delay ( uint32 time ) { while ( time != 0 ) time--; } /************************************************************************************** *文件名:LCD初始化 *功能:配置LCD *主要函数列表: *修改纪录: *说明: ***************************************************************************************/ void LCD_Init ( void ) { LCD_CONTRL; /* 配置LCD的控制线 */ LCD_DATA; /* 配置LCD的数据线 */ LCD_Clr_Con; /* LCD的控制线清0 */ LCD_Clr_Data; /* LCD的数据线清0 */ LCD_SYS_Delay ( 1 ); LCD_POWER_1; /* 打开LCD的电源 */ delay_ms ( 1 ); LCD_RSET_1; LCD_Set_Windows ( 0x07 ); LCD_SetCom ( LCD_COM_DisplayKey,0x00 ); LCD_SetCom ( LCD_COM_BeginLine,0x00 ); LCD_Clr_Window ( ); } /***************************************************************************************** *文件名:LCD显示数据转化为IO口输出 *功能:显示数据转化为IO口输出 *输入参数:显示数据 *输出参数:无 *说明: ******************************************************************************************/ void LCD_DoData ( uint8 data ) { uint8 i,j; i = data; for ( j = 0;j < 8;j++) { switch ( j ) { case 0: if ( ( 0x01&i ) == 1 ) LCD_D0_1; else LCD_D0_0; break; case 1: if ( ( 0x01&i ) == 1 ) LCD_D1_1; else LCD_D1_0; break; case 2: if ( ( 0x01&i ) == 1 ) LCD_D2_1; else LCD_D2_0; break; case 3: if ( ( 0x01&i ) == 1 ) LCD_D3_1; else LCD_D3_0; break; case 4: if ( ( 0x01&i ) == 1 ) LCD_D4_1; else LCD_D4_0; break; case 5: if ( ( 0x01&i ) == 1 ) LCD_D5_1; else LCD_D5_0; break; case 6: if ( ( 0x01&i ) == 1 ) LCD_D6_1; else LCD_D6_0; break; case 7: if ( ( 0x01&i ) == 1 ) LCD_D7_1; else LCD_D7_0; break; default: break; } i = ( i >> 1 ); } } /***************************************************************************************** *文件名:LCD命令设置 *功能:根据不同的命令执行不同的操作 *输入参数: *输出参数:无 *说明: 对命令的处理 1,判断是什么命令 2,判断后进入相应的处理程序 3, ******************************************************************************************/ void LCD_SetCom ( LCD_COM lcdcom,uint8 data ) { uint8 i; i = data; switch ( lcdcom ) { case LCD_COM_DisplayKey: i = ( 0x3e | i ); LCD_ACOM; LCD_SYS_Delay ( 1 ); LCD_RS_0; LCD_DoData ( i ); LCD_SYS_Delay ( 1 ); LCD_E_1; LCD_SYS_Delay ( 5 ); LCD_E_0; LCD_SYS_Delay ( 5 ); break; case LCD_COM_BeginLine: i = ( 0xc0 | i ); LCD_ACOM; LCD_SYS_Delay ( 1 ); LCD_RS_0; LCD_DoData ( i ); LCD_SYS_Delay ( 1 ); LCD_E_1; LCD_SYS_Delay ( 5 ); LCD_E_0; LCD_SYS_Delay ( 5 ); break; case LCD_COM_SetXAddr: i = ( 0xb8 | i ); LCD_ACOM; LCD_SYS_Delay ( 1 ); LCD_RS_0; LCD_DoData ( i ); LCD_SYS_Delay ( 1 ); LCD_E_1; LCD_SYS_Delay ( 5 ); LCD_E_0; LCD_SYS_Delay ( 5 ); break; case LCD_COM_SetYAddr: i = ( 0x40 | i ); LCD_ACOM; LCD_SYS_Delay ( 1 ); LCD_RS_0; LCD_DoData ( i ); LCD_SYS_Delay ( 1 ); LCD_E_1; LCD_SYS_Delay ( 5 ); LCD_E_0; LCD_SYS_Delay ( 5 ); break; case LCD_COM_WRData: LCD_ACOM; LCD_SYS_Delay ( 1 ); LCD_RS_1; LCD_DoData ( i ); LCD_SYS_Delay ( 1 ); LCD_E_1; LCD_SYS_Delay ( 5 ); LCD_E_0; LCD_SYS_Delay ( 5 ); break; case LCD_COM_REData: break; default: break; } } /************************************************************************************** *文件名:LCD全屏清O *功能:LCD全屏清O *主要函数列表: *修改纪录: *说明: ***************************************************************************************/ void LCD_Clr_Window ( void ) { uint8 i,j; for( i = 0; i < 8; i++ ) { LCD_SetCom ( LCD_COM_SetXAddr,i ); LCD_SetCom ( LCD_COM_SetYAddr,0x00 ); for( j=0; j<64; j++ ) { LCD_SetCom ( LCD_COM_WRData,0x00 ); } } } /************************************************************************************** *文件名:设置显示器显示区域 *功能:设置显示器显示区域 *输入参数列表;显示的区域数值 *输出参数列表:无 *主要函数列表: *修改纪录: *说明:显示的区域数值是根据"area"的底3位判断; 如果