ian rau / Mbed 2 deprecated ProjectVLC

demo versie 16/05

Dependencies:   EthernetInterface mbed-rto mbed

Fork of ProjectVLC by Klaas Govaerts

Interpreter.cpp@35:efdbfccf2678, 2018-05-02 (annotated)

Committer:
KlaasGovaerts
Date:
Wed May 02 06:53:40 2018 +0000
Revision:
35:efdbfccf2678
Parent:
31:915f6cb7ffa5 
Added documentation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
KlaasGovaerts 19:5ee34e60a31d 1 #include "Interpreter.h"
KlaasGovaerts 19:5ee34e60a31d 2
KlaasGovaerts 35:efdbfccf2678 3 /**
KlaasGovaerts 35:efdbfccf2678 4 * @param queue. A pointer to the queue where the commands will be written.
KlaasGovaerts 35:efdbfccf2678 5 */
KlaasGovaerts 31:915f6cb7ffa5 6 Interpreter::Interpreter(Queue<int,8>* queue){
KlaasGovaerts 28:bf62c46acb3e 7 Interpreter::queue=queue;
KlaasGovaerts 19:5ee34e60a31d 8 }
KlaasGovaerts 19:5ee34e60a31d 9
KlaasGovaerts 35:efdbfccf2678 10 /**
KlaasGovaerts 35:efdbfccf2678 11 * Interprets a text command, and push the result on the queue.
KlaasGovaerts 35:efdbfccf2678 12 * Syntax:
KlaasGovaerts 35:efdbfccf2678 13 * The number of the LED
KlaasGovaerts 35:efdbfccf2678 14 * Dash (-)
KlaasGovaerts 35:efdbfccf2678 15 * The orientation (left,right,up,down or ignore).
KlaasGovaerts 35:efdbfccf2678 16 * Multiple LEDS can be set up in one command, by using a whitespace.
KlaasGovaerts 35:efdbfccf2678 17 * Example: 0-left 1-right 2-up
KlaasGovaerts 35:efdbfccf2678 18 * @param command A character array representing the command.
KlaasGovaerts 35:efdbfccf2678 19 */
KlaasGovaerts 19:5ee34e60a31d 20 void Interpreter::executeCommand(char* command){
KlaasGovaerts 28:bf62c46acb3e 21 for(int i=0;i<8;i++){
KlaasGovaerts 28:bf62c46acb3e 22 LED[i]=-1;
KlaasGovaerts 31:915f6cb7ffa5 23 } //Set all default on -1
KlaasGovaerts 28:bf62c46acb3e 24
KlaasGovaerts 21:fe6a58e84929 25 char *ID=strtok(command,"-");
KlaasGovaerts 19:5ee34e60a31d 26 char *direction=strtok(NULL," ");
KlaasGovaerts 19:5ee34e60a31d 27 while((ID!=NULL)&&(direction!=NULL)){
KlaasGovaerts 19:5ee34e60a31d 28 int IDNumber=atoi(ID);
KlaasGovaerts 19:5ee34e60a31d 29 int directionNumber=directionToNumber(direction);
KlaasGovaerts 19:5ee34e60a31d 30 if((IDNumber>=0)&&(IDNumber<=11)&&(directionNumber>=-1)&&(directionNumber<=3)){
KlaasGovaerts 19:5ee34e60a31d 31 //lock->lock();
KlaasGovaerts 19:5ee34e60a31d 32 LED[IDNumber]=directionNumber;
KlaasGovaerts 19:5ee34e60a31d 33 //lock->unlock();
KlaasGovaerts 19:5ee34e60a31d 34 }
KlaasGovaerts 21:fe6a58e84929 35 ID=strtok(NULL,"-");
KlaasGovaerts 19:5ee34e60a31d 36 direction=strtok(NULL," ");
KlaasGovaerts 19:5ee34e60a31d 37 }
KlaasGovaerts 28:bf62c46acb3e 38
KlaasGovaerts 28:bf62c46acb3e 39 for(int i=0;i<8;i++){
KlaasGovaerts 28:bf62c46acb3e 40 queue->put(&LED[i]);
KlaasGovaerts 28:bf62c46acb3e 41 }
KlaasGovaerts 28:bf62c46acb3e 42
KlaasGovaerts 28:bf62c46acb3e 43 for(int i=0;i<8;i++){
KlaasGovaerts 28:bf62c46acb3e 44 printf("LED %i, richting: %i\r\n",i,LED[i]);
KlaasGovaerts 28:bf62c46acb3e 45 }
KlaasGovaerts 19:5ee34e60a31d 46 }
KlaasGovaerts 19:5ee34e60a31d 47
KlaasGovaerts 35:efdbfccf2678 48 /**
KlaasGovaerts 35:efdbfccf2678 49 * Convert a direction such as left, right, up, down to the corresponding number (0, 1, 2 or 3).
KlaasGovaerts 35:efdbfccf2678 50 * Invalid directions (or ignore) will return -1.
KlaasGovaerts 35:efdbfccf2678 51 * @param command A character array representing the direction.
KlaasGovaerts 35:efdbfccf2678 52 */
KlaasGovaerts 19:5ee34e60a31d 53 int Interpreter::directionToNumber(char* direction){
KlaasGovaerts 21:fe6a58e84929 54 if(strcmp(direction,"left")==0)
KlaasGovaerts 19:5ee34e60a31d 55 return 0;
KlaasGovaerts 21:fe6a58e84929 56 else if(strcmp(direction,"right")==0)
KlaasGovaerts 19:5ee34e60a31d 57 return 1;
KlaasGovaerts 21:fe6a58e84929 58 else if(strcmp(direction,"up")==0)
KlaasGovaerts 19:5ee34e60a31d 59 return 2;
KlaasGovaerts 21:fe6a58e84929 60 else if(strcmp(direction,"down")==0)
KlaasGovaerts 19:5ee34e60a31d 61 return 3;
KlaasGovaerts 19:5ee34e60a31d 62 else
KlaasGovaerts 19:5ee34e60a31d 63 return -1;
KlaasGovaerts 19:5ee34e60a31d 64 }