MSP430F149实现1.8寸TFT_LCD真彩屏显示

一、功能实现

二、设备准备

三、接线表设计

四、代码实现

五、实现效果

六、代码链接

一、功能实现

实现1.8寸TFT_LCD真彩屏显示。显示数字、图片、字符串等。

二、设备准备

1.TFT_LCD真彩屏（1.8寸）

该真彩屏使用SPI通信。

2.MSP430F149开发板

三、接线表设计

MSP430F149	TFT_LCD真彩屏
P5.0	SCL
P5.1	SDA
P5.2	RES
P5.3	DC
P5.4	CS
P5.5	BL
VCC	5V
GND	GND

因为液晶显示，只需要将所有引脚设置成输出模式即可。

四、代码实现

1.TFT_LCD IO口初始化

//TFT LCD 液晶IO初始化配置
//P5.0 SCL
//P5.1 SDA
//P5.2 RES
//P5.3 DC
//P5.4 CS
//P5.5 BL
void LCD_GPIO_Init(void)
{P5SEL = 0x00;P5DIR|= BIT0 + BIT1 + BIT2 + BIT3 + BIT4 + BIT5;    }

2.TFT_LCD功能初始化

//LCD Init For 1.44Inch LCD Panel with ST7735R.
void Lcd_Init(void)
{	LCD_GPIO_Init();Lcd_Reset(); //Reset before LCD Init.//LCD Init For 1.44Inch LCD Panel with ST7735R.Lcd_WriteIndex(0x11);//Sleep exit delay_ms (120);//ST7735R Frame RateLcd_WriteIndex(0xB1); Lcd_WriteData(0x01); Lcd_WriteData(0x2C); Lcd_WriteData(0x2D); Lcd_WriteIndex(0xB2); Lcd_WriteData(0x01); Lcd_WriteData(0x2C); Lcd_WriteData(0x2D); Lcd_WriteIndex(0xB3); Lcd_WriteData(0x01); Lcd_WriteData(0x2C); Lcd_WriteData(0x2D); Lcd_WriteData(0x01); Lcd_WriteData(0x2C); Lcd_WriteData(0x2D); Lcd_WriteIndex(0xB4); //Column inversion Lcd_WriteData(0x07); //ST7735R Power SequenceLcd_WriteIndex(0xC0); Lcd_WriteData(0xA2); Lcd_WriteData(0x02); Lcd_WriteData(0x84); Lcd_WriteIndex(0xC1); Lcd_WriteData(0xC5); Lcd_WriteIndex(0xC2); Lcd_WriteData(0x0A); Lcd_WriteData(0x00); Lcd_WriteIndex(0xC3); Lcd_WriteData(0x8A); Lcd_WriteData(0x2A); Lcd_WriteIndex(0xC4); Lcd_WriteData(0x8A); Lcd_WriteData(0xEE); Lcd_WriteIndex(0xC5); //VCOM Lcd_WriteData(0x0E); Lcd_WriteIndex(0x36); //MX, MY, RGB mode Lcd_WriteData(0xC0); //ST7735R Gamma SequenceLcd_WriteIndex(0xe0); Lcd_WriteData(0x0f); Lcd_WriteData(0x1a); Lcd_WriteData(0x0f); Lcd_WriteData(0x18); Lcd_WriteData(0x2f); Lcd_WriteData(0x28); Lcd_WriteData(0x20); Lcd_WriteData(0x22); Lcd_WriteData(0x1f); Lcd_WriteData(0x1b); Lcd_WriteData(0x23); Lcd_WriteData(0x37); Lcd_WriteData(0x00); 	Lcd_WriteData(0x07); Lcd_WriteData(0x02); Lcd_WriteData(0x10); Lcd_WriteIndex(0xe1); Lcd_WriteData(0x0f); Lcd_WriteData(0x1b); Lcd_WriteData(0x0f); Lcd_WriteData(0x17); Lcd_WriteData(0x33); Lcd_WriteData(0x2c); Lcd_WriteData(0x29); Lcd_WriteData(0x2e); Lcd_WriteData(0x30); Lcd_WriteData(0x30); Lcd_WriteData(0x39); Lcd_WriteData(0x3f); Lcd_WriteData(0x00); Lcd_WriteData(0x07); Lcd_WriteData(0x03); Lcd_WriteData(0x10);  Lcd_WriteIndex(0x2a);Lcd_WriteData(0x00);Lcd_WriteData(0x00);Lcd_WriteData(0x00);Lcd_WriteData(0x7f);Lcd_WriteIndex(0x2b);Lcd_WriteData(0x00);Lcd_WriteData(0x00);Lcd_WriteData(0x00);Lcd_WriteData(0x9f);Lcd_WriteIndex(0xF0); //Enable test command  Lcd_WriteData(0x01); Lcd_WriteIndex(0xF6); //Disable ram power save mode Lcd_WriteData(0x00); Lcd_WriteIndex(0x3A); //65k mode Lcd_WriteData(0x05); Lcd_WriteIndex(0x29);//Display on	 
}

和51、AVR、STM32中的代码基本无异。

3.主函数（main.c）

#include <msp430x14x.h>
#include "Config.h"
#include "Lcd_Driver.h"
#include "QDTFT_demo.h"#define LCD_BL_CLR	        P5OUT &= ~BIT5           //BL置低
#define LCD_BL_SET	        P5OUT |=  BIT5           //BL置高//***********************************************************************
//      主程序
//***********************************************************************
void main(void)
{ WDT_Init();Clock_Init();                       //时钟初始化Lcd_Init();LCD_BL_SET;//通过IO控制背光亮		while(1){QDTFT_Test_Demo();}
}

涉及文件较多，只贴出部分核心代码，其他代码基本没有修改（主要修改一些变量的类型，如u8修改成unsigned char，因为该处理器不识别），直接移植。