?? lcd_drv.c
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//******************************************************************************
// MSP430F149 UltraLow Power Manometer - Software
//
// Description;
// 2006/12/26
// Built with IAR Embedded Workbench Version: 4.6B
//******************************************************************************
// Include Files Needed by the Main.c
#include "msp430x14x.h"
#include "stdbool.h"
// 定義宏名
#define LCD_CS_H P2OUT |= BIT7 //對應IO操作 LCD_CS=1
#define LCD_CS_L P2OUT &=~BIT7 //對應IO操作 LCD_CS=0
#define LCD_CLK_H P3OUT |= BIT0 //對應IO操作 LCD_CS=1
#define LCD_CLK_L P3OUT &=~BIT0 //對應IO操作 LCD_CS=0
#define LCD_DAT_H P3OUT |= BIT1 //對應IO操作 LCD_CS=1
#define LCD_DAT_L P3OUT &=~BIT1 //對應IO操作 LCD_CS=0
#define AD2_SCK_H P2OUT |= BIT2 //AD2_SCK=1
#define AD2_SCK_L P2OUT &=~BIT2; //AD2_SCK=0
#define AD2_DAT BIT3&P2IN //AD2_DAT=P2.3
#define IIC_SCK_H P5OUT |= BIT3 //IIC2_SCK=1 P5.3
#define IIC_SCK_L P5OUT &=~BIT3 //IIC2_SCK=0 P5.3
#define IIC_DAT_H P5OUT |= BIT2 //IIC2_DAT=1 P5.2
#define IIC_DAT_L P5OUT &=~BIT2 //IIC2_DAT=0 P5.2
#define IIC_DAT BIT2&P5IN //IIC2_DAT=P5.2
#define IIC_OUT P5DIR |= BIT2 //IIC2_DAT 定義為輸出
#define IIC_IN P5DIR &=~BIT2 //IIC2_DAT 定義為輸入
#define TS_AD 0x90
char const LCD_NUM[10] = { 0xeb,0x60,0xc7,0xe5,0x6c,0xad,0xaf,0xe0,0xef,0xed};
void LCD_Init(void)
{
Delay_ms(210);
P2SEL &=~BIT7; //LCD Port 定義為普通功能
P3SEL &=~(BIT0+BIT1);
P2DIR |= BIT7; //LCD Port 定義為輸出狀態
P3DIR |=(BIT0+BIT1);
LCD_CS_H; //端口復位
LCD_CLK_H;
LCD_DAT_H;
LCD_CS_L; //準備操作LCD端口
// LCD_Write(0x01); //LCD驅動復位
LCD_Write(0x31); //LCD模塊初始化
LCD_Write(0xD3); //
LCD_Write(0x34); //
LCD_Write(0x80); //LCD模塊初始化
LCD_Write(0x35); //
LCD_Write(0x00); //
LCD_Write(0x32); //啟動LCD顯示
LCD_Write(0xf1); //
LCD_Write(0x20); //指定連續寫入工作方式 (只寫 Address++)
LCD_Write(0x80); //指定寫入數據首地址 (10XXXXXX) XXXXXX代表6位地址數據
for(char i=0;i<14;i++) //寫入屏幕測試畫面(全部顯示)
LCD_Write(0x0f);
LCD_CS_H;
}
void LCD_Write(char data)
{
// Delay_us(50);
for(char i=0;i<8;i++)
{
if(data&BIT0) LCD_DAT_H;
else LCD_DAT_L;
data>>=1;
// Delay_us(50);
LCD_CLK_L;
// Delay_us(50);
LCD_CLK_H; //上跳沿讀入數據
// Delay_us(50);
}
}
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