www.pudn.com > study_CIP51.rar > cmdproc.c

#include 
#include 
#include "tdp.h" 
 
/* Define prompt of Help */ 
static pdata char helptext[]= 
	"\r\n" 
	"HELP:\r\n" 
	"STCLK hhmmss -- Set Clock Time\r\n" 
	"RDCLK        -- Display Clock Time\r\n" 
	"SCCLK ON|OFF -- Display CLock Time Every Second\r\n" 
	"STALM hhmm   -- Set Alarm\r\n" 
	"RDALM        -- Display Alarm Time\r\n" 
	"CLALM        -- Clear Alarm Time\r\n"; 
 
enum{ 
	CID_SET_CLK, 
	CID_READ_CLK, 
	CID_SCAN_CLK, 
	CID_SET_ALM, 
	CID_READ_ALM, 
	CID_CLR_ALM, 
	CID_LAST 
}; 
 
struct cmd_st { 
	const char *cmdstr; 
	unsigned char id; 
}; 
 
static pdata struct cmd_st cmd_tbl [] = { 
	{ "STCLK", CID_SET_CLK }, 
	{ "RDCLK", CID_READ_CLK }, 
	{ "SCCLK", CID_SCAN_CLK }, 
	{ "STALM", CID_SET_ALM }, 
	{ "RDALM", CID_READ_ALM }, 
	{ "CLALM", CID_CLR_ALM }, 
}; 
 
#define CMD_TBL_LEN    (sizeof (cmd_tbl) / sizeof(cmd_tbl[0])) 
 
static unsigned char cmdid_search(char *cmdstr) { 
	struct cmd_st *ctp; 
	for (ctp = cmd_tbl; ctp <&cmd_tbl[CMD_TBL_LEN]; ctp++) { 
		if(strcmp(ctp->cmdstr,cmdstr) ==0) 
			return(ctp->id); 
	} 
	return(CID_LAST); 
} 
 
char *strupr(char *src) { 
	char *s; 
	for (s = src; *s != '\0'; s++) 
		*s = toupper(*s); 
	return(src); 
} 
 
/* Command Processing */ 
void cmd_proc(const char *cmd) { 
	xdata char cmdstr_buf[1 + MAX_CMD_LEN]; 
	xdata char argstr_buf[1 + MAX_CMD_LEN]; 
	char *argsep; 
	unsigned char id; 
 
	strncpy(cmdstr_buf, cmd, sizeof(cmdstr_buf) - 1); 
	cmdstr_buf[sizeof(cmdstr_buf) - 1] = '\0'; 
	strupr(cmdstr_buf); 
	argsep = strchr(cmdstr_buf, ' '); 
	if(argsep == NULL) { 
		argstr_buf[0] = '\0'; 
	} 
	else { 
		strcpy(argstr_buf,argsep + 1); 
		*argsep = '\0'; 
	} 
	id = cmdid_search(cmdstr_buf); 
	switch (id) { 
		unsigned long tm; 
		case CID_SET_CLK: 
			if(strtotm(&tm, argstr_buf) != 0) 
				goto CMDERR; 
			clock_set(tm * 100); 
			break; 
		case CID_READ_CLK: 
			clock_out_time(); 
			break; 
		case CID_SCAN_CLK: 
			if(strcmp(argstr_buf,"ON") ==0 ) 
				clock_scan(1); 
			else if (strcmp(argstr_buf,"OFF") == 0) 
				clock_scan(0); 
			else 
				goto CMDERR; 
			break; 
		case CID_SET_ALM: 
			strcat(argstr_buf, "00"); 
			if(strtotm(&tm,argstr_buf) != 0) 
				goto CMDERR; 
			alarm_set(tm / 60); 
		    break; 
		case CID_READ_ALM: 
			alarm_out_time(); 
			break; 
		case CID_CLR_ALM: 
			alarm_clr(); 
			break; 
		case CID_LAST: 
	CMDERR: 
			com_puts(helptext); 
			break; 
	} 
}