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LPC55S69-EVK开发板驱动TFT显示屏单片机解密

时间：2026-01-06 来源：芯片解密浏览：2次字号：大中小

SCK---PIO1_20

SDI---PIO1_21

D/C---PIO1_2

RST---PIO1_3

CS ---PIO0_26

LED---PIO1_1

单片机解密相关引脚输出高低电平的语句定义为：

#define LCD_SCK_Low() GPIO_PinWrite(GPIO, 1u, 20u, 0) //CLK

#define LCD_SCK_High() GPIO_PinWrite(GPIO, 1u, 20u, 1)

#define LCD_SDI_Low() GPIO_PinWrite(GPIO, 1u, 21u, 0) //DIN

#define LCD_SDI_High() GPIO_PinWrite(GPIO, 1u, 21u, 1)

#define LCD_REST_Low() GPIO_PinWrite(GPIO, 1u, 2u, 0) //RES

#define LCD_REST_High() GPIO_PinWrite(GPIO,1u, 2u, 1)

#define LCD_DC_Low() GPIO_PinWrite(GPIO, 1u, 3u, 0) //DC

#define LCD_DC_High() GPIO_PinWrite(GPIO, 1u, 3u, 1)

#define LCD_CS_Low() GPIO_PinWrite(GPIO, 0u, 26u, 0) //CS

#define LCD_CS_High() GPIO_PinWrite(GPIO, 0u, 26u, 1)

#define LCD_LED_Low() GPIO_PinWrite(GPIO, 1u, 1u, 0) //BLK

#define LCD_LED_High() GPIO_PinWrite(GPIO, 1u, 1u, 1)

配置相关引脚为输出功能的函数为：

复制代码

显示屏显示图片的函数为：