b022c62c1dc0001d1369d968286a6809

基于FREERtos和LPC2468的程序。里面实现了串口通信

#ifndef KBD_H
#define KBD_H
void noticeKeyBoardStart(unsigned char mode);
unsigned char checkKeyBoardIn(void);
void CancelKeyBoardIn(void);
void StoreKeyValueKBD(unsigned char keyval);
unsigned int  KeyBePush(void);
unsigned char ScanKey(unsigned char *keyVal,unsigned char xLastkbdTime);
unsigned char KeyBeFree(portTickType * lt);
static portTASK_FUNCTION( vKBDTask, pvParameters );

struct KBD{
	unsigned char kbd_start;				//键值采集启示标记，>0开始采集
	unsigned char kbd_scan_mode;			//digit or letter 数字=1，字母=0
	unsigned char kbd_buff[10];				//键值存储buff，队列形式
	unsigned char kbd_num;					//有效存储的键值数
	
};
void vStartKBDTasks( unsigned portBASE_TYPE uxPriority );
void preInitKeyBoardScanLine(void);
void ChangeInputMode(void);
#endif