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Dependencies:   mbed-rtos mbed

serial.cpp@2:4fb5a8d15f9c, 2016-12-02 (annotated)

Committer:
kieftea
Date:
Fri Dec 02 19:15:25 2016 +0000
Revision:
2:4fb5a8d15f9c
Child:
3:655f4fed48d7
Update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kieftea 2:4fb5a8d15f9c 1 #include "mbed.h"
kieftea 2:4fb5a8d15f9c 2 #include "rtos.h"
kieftea 2:4fb5a8d15f9c 3 #include <string>
kieftea 2:4fb5a8d15f9c 4 #include <sstream>
kieftea 2:4fb5a8d15f9c 5
kieftea 2:4fb5a8d15f9c 6 DigitalOut led1(LED1);
kieftea 2:4fb5a8d15f9c 7 DigitalOut led2(LED2);
kieftea 2:4fb5a8d15f9c 8 Serial pc(USBTX, USBRX);
kieftea 2:4fb5a8d15f9c 9 Thread *RX_THREAD_POINTER;
kieftea 2:4fb5a8d15f9c 10 string test;
kieftea 2:4fb5a8d15f9c 11 string* paramArray = new string[25];
kieftea 2:4fb5a8d15f9c 12 int index=0;
kieftea 2:4fb5a8d15f9c 13
kieftea 2:4fb5a8d15f9c 14 // Rx Interupt routine
kieftea 2:4fb5a8d15f9c 15 void Rx_interrupt(void){
kieftea 2:4fb5a8d15f9c 16 pc.attach(NULL); // Disable Rx interrupt
kieftea 2:4fb5a8d15f9c 17 (*RX_THREAD_POINTER).signal_set(0x1); // dereference of RX_THREAD_POINTER
kieftea 2:4fb5a8d15f9c 18 }
kieftea 2:4fb5a8d15f9c 19
kieftea 2:4fb5a8d15f9c 20
kieftea 2:4fb5a8d15f9c 21 // Read received chars from UART
kieftea 2:4fb5a8d15f9c 22 void rx_thread(void const *argument){
kieftea 2:4fb5a8d15f9c 23 while (true) {
kieftea 2:4fb5a8d15f9c 24 // Signal flags that are reported as event are automatically cleared.
kieftea 2:4fb5a8d15f9c 25 Thread::signal_wait(0x1);
kieftea 2:4fb5a8d15f9c 26 while (pc.readable()) {
kieftea 2:4fb5a8d15f9c 27 //pc.putc(pc.getc()); // read data from UART
kieftea 2:4fb5a8d15f9c 28 //pc.printf("\r\nInput: \r\n");
kieftea 2:4fb5a8d15f9c 29
kieftea 2:4fb5a8d15f9c 30 stringstream ss;
kieftea 2:4fb5a8d15f9c 31 char temp;
kieftea 2:4fb5a8d15f9c 32 temp = pc.getc();
kieftea 2:4fb5a8d15f9c 33 //pc.putc(temp);
kieftea 2:4fb5a8d15f9c 34 while (temp != '*'){
kieftea 2:4fb5a8d15f9c 35 ss << temp;
kieftea 2:4fb5a8d15f9c 36 temp = pc.getc();
kieftea 2:4fb5a8d15f9c 37 //pc.putc(temp);
kieftea 2:4fb5a8d15f9c 38 }
kieftea 2:4fb5a8d15f9c 39 ss >> test;
kieftea 2:4fb5a8d15f9c 40 if(index<24){
kieftea 2:4fb5a8d15f9c 41 //in_Array[i] = temp;
kieftea 2:4fb5a8d15f9c 42 //pc.printf("%s\r\n", test);
kieftea 2:4fb5a8d15f9c 43 //pc.printf("\r\n");
kieftea 2:4fb5a8d15f9c 44 led2=!led2;
kieftea 2:4fb5a8d15f9c 45 paramArray[index++] = test;
kieftea 2:4fb5a8d15f9c 46 } else {
kieftea 2:4fb5a8d15f9c 47 //i = 0;
kieftea 2:4fb5a8d15f9c 48 pc.attach(&Rx_interrupt);
kieftea 2:4fb5a8d15f9c 49 //return;
kieftea 2:4fb5a8d15f9c 50 }
kieftea 2:4fb5a8d15f9c 51 }
kieftea 2:4fb5a8d15f9c 52 pc.attach(&Rx_interrupt); // Enable Rx interrupt
kieftea 2:4fb5a8d15f9c 53 }
kieftea 2:4fb5a8d15f9c 54 }
kieftea 2:4fb5a8d15f9c 55
kieftea 2:4fb5a8d15f9c 56
kieftea 2:4fb5a8d15f9c 57 string* recieve(){
kieftea 2:4fb5a8d15f9c 58 paramArray = new string[24];
kieftea 2:4fb5a8d15f9c 59 index=0;
kieftea 2:4fb5a8d15f9c 60 Thread t_rx(rx_thread);
kieftea 2:4fb5a8d15f9c 61 RX_THREAD_POINTER = &t_rx; // Set thread pointer as globally-accessible
kieftea 2:4fb5a8d15f9c 62 t_rx.set_priority(osPriorityHigh);
kieftea 2:4fb5a8d15f9c 63 pc.attach(Rx_interrupt);
kieftea 2:4fb5a8d15f9c 64 //pc.printf("\r\nStart\r\n");
kieftea 2:4fb5a8d15f9c 65 while(test != "DONE"){
kieftea 2:4fb5a8d15f9c 66 led1=!led1;
kieftea 2:4fb5a8d15f9c 67 //pc.printf("%s\r\n",test);
kieftea 2:4fb5a8d15f9c 68 Thread::wait(1000);
kieftea 2:4fb5a8d15f9c 69 }
kieftea 2:4fb5a8d15f9c 70
kieftea 2:4fb5a8d15f9c 71 return paramArray;
kieftea 2:4fb5a8d15f9c 72 }
kieftea 2:4fb5a8d15f9c 73
kieftea 2:4fb5a8d15f9c 74 void send(string input){
kieftea 2:4fb5a8d15f9c 75 while(pc.writeable()){
kieftea 2:4fb5a8d15f9c 76 pc.printf("%s\r\n", input);
kieftea 2:4fb5a8d15f9c 77 }
kieftea 2:4fb5a8d15f9c 78 }