void interpret_command(UART_HandleTypeDef *UartHandle){
//if return is sent, create a new line:
uint8_t result[RESULTLENGTH] = {0};
//printf("%s\n\r",(UartHandle->pRxBuffPtr));
//check the incoming character:
if((*UartHandle->pRxBuffPtr) == 13 || (*UartHandle->pRxBuffPtr) == 0x0A){
//newline: return:
//strcat((char *) result, "\n\r");
//interpret message
interpret_message(command,incoming_length,result);
//add > - to result
//strcat((char*)result,"\n> ");
//reset command
reset_message(command, &incoming_length, COMMANDLENGTH);
//}else if((*UartHandle->pRxBuffPtr) == 127){
//backspace:
/*
if(incoming_length > 0){
result[0] = (*UartHandle->pRxBuffPtr);
result[1] = '\0';
command[--incoming_length] = '\0';
}
*/
//send if there is something to send via UART
if(strlen((const char*)result) > 0){
txFunction(UartHandle,result, strlen((const char*)result));
}
}else if(strlen((char*)command) >= COMMANDLENGTH-1){
reset_message(command,&incoming_length,COMMANDLENGTH-1);
strcat((char*)result, "message too long...\n\r");
show_help(result);
//add > - to result
strcat((char*)result,"\n> ");
}else{
//legal char:
result[0] = (*UartHandle->pRxBuffPtr);
result[1] = '\0';
command[incoming_length++] = (*UartHandle->pRxBuffPtr);
}
//enable RX again:
irqfunc(&huart3);
}
/*############################ print_button() ###########################*/
void
print_button(Widget w, XtPointer client_data, XtPointer call_data)
{
reset_message(statusbox_w);
print_data(w, client_data, call_data);
return;
}
/*
功能：
处理硬盘相关请求的任务进程。初始化后，永久运行接收有关硬盘请求的信息
参数：
（无）
返回值：
（无）
*/
void task_hd(){
MESSAGE message;
#ifdef DEBUG_HD
printl("in task_hd\n");
#endif
//初始化硬盘
init_hd();
while(1){
reset_message(&message);
send_receive(RECEIVE,ANY,&message);
int src=message.source_pid;
switch(message.type){
case INFO_FS_OPEN:
hd_open(&message);
break;
case INFO_FS_CLOSE:
hd_close(&message);
break;
case INFO_FS_READ:
case INFO_FS_WRITE:
hd_rdwt(&message);
break;
case INFO_FS_IOCTL:
hd_ioctl(&message);
break;
case INFO_FS_DEVICE:
hd_device_info(&message);
break;
default:
//panic("unkonw message type(%d) in task_hd",src);
break;
}
#ifdef DEBUG_HD
printl("in task_hd\n");
#endif
/* message.source_pid=process2pid(p_process_ready); */
send_receive(SEND,src,&message);
}
}
