void proc_command(SOCKET s)
{
uint8 i;
char **cmdp, *cp;
char *help = {"HELP: Show all available commandsrnGET LED: Show all LED status rnLED0 ON/OFF: Turn ON/OFF the LED0rnLED1 ON/OFF: Turn ON/OFF the LED1
rnLED2 ON/OFF: Turn ON/OFF the LED2rnEXIT: Exit from W7100 Telnet serverrn"};
/*Translate the first word to lower case*/
for(cp = data_buf; *cp !='\0'; cp++){
*cp = tolower(*cp); /* 将大写字母翻译成小写字母*/
}
if(user_state == USERNAME){
strcpy(user_name, data_buf);
sprintf(buf, "Please insert your PW: ");
send(s, buf, strlen(buf));
user_state = PASSWORD;
return;
}
else if(user_state == PASSWORD){
strcpy(user_password, data_buf);
sprintf(buf, "rnSuccessfully connected!!rnImplemented Command:
HELP, GET LED, LED0 ON/OFF, LED1 ON/OFF, LED2 ON/OFF, EXITrn");
send(s, buf, strlen(buf));
user_state = LOGIN;
return;
} /*查找表中的输入命令; 如果不表内，返回语法错误*/
for(cmdp = commands; *cmdp != NULL; cmdp++){
if(strncmp(*cmdp, data_buf, strlen(*cmdp)) == 0) break;
}
if(*cmdp == NULL){
printf("NULL commandrn");
sprintf(buf, "BAD commandrn");
send(s, buf, strlen(buf));
return;
}
switch(cmdp - commands){
case HELP_CMD: /* 处理HELP命令*/
printf("HELP_CMDrn");
sprintf(buf, help);
send(s, buf, strlen(buf));
break;
case GET_LED_CMD: /*处理GET LED 命令*/
printf("GET_LED_CMDrn");
for(i = 0 ; i < 3 ; i++){
sprintf(buf, "LED%bd is %srn", i, ((P0 >> (i+3)) & 0x01) ? "OFF" : "ON");
send(s, buf, strlen(buf));
}
break;
case LED0_ON_CMD: /*处理LED0 ON命令*/
printf("LED0_ON_CMDrn");
sprintf(buf, "Turn ON the LED0rn");
send(s, buf, strlen(buf));
P0_3 = 0; /* 将GPIO 0_3设置为0, 与低有效LED连接*/
break;
case LED1_ON_CMD:/*处理LED1 ON命令*/
printf("LED1_ON_CMDrn");
sprintf(buf, "Turn ON the LED1rn");
send(s, buf, strlen(buf));
P0_4 = 0; /*将GPIO 0_4设置为0, 与低有效LED连接*/
break;
case LED2_ON_CMD: /*处理LED2 ON命令*/
printf("LED2_ON_CMDrn");
sprintf(buf, "Turn ON the LED2rn");
send(s, buf, strlen(buf));
P0_5 = 0; /* 将GPIO 0_5设置为0,与低有效LED连接*/
break;
case LED0_OFF_CMD: /* 处理LED0 OFF命令*/
printf("LED0_OFF_CMDrn");
sprintf(buf, "Turn OFF the LED0rn");
send(s, buf, strlen(buf));
P0_3 = 1; /*将GPIO 0_3设置为1,与低有效LED连接*/
break;
case LED1_OFF_CMD: /* 处理LED1 OFF命令*/
printf("LED1_OFF_CMDrn");
sprintf(buf, "Turn OFF the LED1rn");
send(s, buf, strlen(buf));
P0_4 = 1; /* 将GPIO 0_4设置为1,与低有效LED连接*/
break;
case LED2_OFF_CMD: /* 处理LED2 OFF命令*/
printf("LED2_OFF_CMDrn");
sprintf(buf, "Turn OFF the LED2rn");
send(s, buf, strlen(buf));
P0_5 = 1; /* 将GPIO 0_5设置为,与低有效LED连接*/
break;
case EXIT_CMD: /*处理EXIT 命令*/
printf("EXIT commandrn");
sprintf(buf, "EXIT commandrn Good Bye~~rn Logout from W7100 TELNET");
send(s, buf, strlen(buf));
close(s);
user_state = LOGOUT;
break;
default:
break;
}
}
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