lcd.h

这是一个uC/OS的系统驱动程序

#ifndef _LCD_H
#define _LCD_H

/* LCD（8位数码管）电路相关引脚定义 */
#define LCD_74HC138_A_PA31     (1<<31)	/* PA23  */
#define LCD_74HC138_B_PA2      (1<<2)	/* PA22  */
#define LCD_74HC138_C_PA30     (1<<30)	/* PA19  */

#define LCD_74HC595_RCLK    (1<<28)	/* PA18  */
#define LCD_74HC595_SRCLK   (1<<29)	/* PA21  */
#define LCD_74HC595_SER     (1<<27)	/* PA17  */

void  TaskLcd(void *p_arg);
#endif