Life Clock / Mbed 2 deprecated WifiReceiver

Communicates with the WiFi - be very careful when using as it is tempremental.

Dependencies:   mbed

initiateWifi.cpp@1:cd1fe330bc2a, 2017-05-24 (annotated)

Committer:
qdanilc
Date:
Wed May 24 15:42:41 2017 +0000
Revision:
1:cd1fe330bc2a
Child:
2:0b9ca0830cd3
This wifiReceiver enables user to manually send and receive commands to module;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
qdanilc 1:cd1fe330bc2a 1 #include "mbed.h"
qdanilc 1:cd1fe330bc2a 2 #include "RawSerial.h"
qdanilc 1:cd1fe330bc2a 3
qdanilc 1:cd1fe330bc2a 4 //setup the other wifi pins
qdanilc 1:cd1fe330bc2a 5 DigitalOut rstPin (PTE29);
qdanilc 1:cd1fe330bc2a 6 DigitalOut chpdPin (PTE23);
qdanilc 1:cd1fe330bc2a 7
qdanilc 1:cd1fe330bc2a 8
qdanilc 1:cd1fe330bc2a 9 RawSerial esp (PTC4, PTC3, 115200); //setup a serial to the (board) Tx = PTC4 and Rx = PTC3 pins at baud rate 115200
qdanilc 1:cd1fe330bc2a 10
qdanilc 1:cd1fe330bc2a 11 Serial pc(USBTX, USBRX, 115200);
qdanilc 1:cd1fe330bc2a 12
qdanilc 1:cd1fe330bc2a 13 DigitalOut redLED(LED1); // twp leds
qdanilc 1:cd1fe330bc2a 14 DigitalOut greenLED(LED2); // to allow visual check of bidirectional comms
qdanilc 1:cd1fe330bc2a 15 DigitalOut blueLED(LED3); //to prove it's working
qdanilc 1:cd1fe330bc2a 16
qdanilc 1:cd1fe330bc2a 17 char input; //character to store inputs/outputs in communication
qdanilc 1:cd1fe330bc2a 18
qdanilc 1:cd1fe330bc2a 19
qdanilc 1:cd1fe330bc2a 20 void reset() { //resets the module by turning rst off for 2 seconds then on again
qdanilc 1:cd1fe330bc2a 21 rstPin = 0;
qdanilc 1:cd1fe330bc2a 22 wait(2);
qdanilc 1:cd1fe330bc2a 23 rstPin = 1;
qdanilc 1:cd1fe330bc2a 24 pc.printf("Reset complete\r\n");
qdanilc 1:cd1fe330bc2a 25
qdanilc 1:cd1fe330bc2a 26 }
qdanilc 1:cd1fe330bc2a 27 void esp_recv()
qdanilc 1:cd1fe330bc2a 28 {
qdanilc 1:cd1fe330bc2a 29 redLED = !redLED;
qdanilc 1:cd1fe330bc2a 30 while(esp.readable()) {
qdanilc 1:cd1fe330bc2a 31 pc.putc(esp.getc());
qdanilc 1:cd1fe330bc2a 32 //wait_us(1);
qdanilc 1:cd1fe330bc2a 33 }
qdanilc 1:cd1fe330bc2a 34 }
qdanilc 1:cd1fe330bc2a 35 void pc_recv()
qdanilc 1:cd1fe330bc2a 36 {
qdanilc 1:cd1fe330bc2a 37 char c;
qdanilc 1:cd1fe330bc2a 38 greenLED = !greenLED;
qdanilc 1:cd1fe330bc2a 39 while(pc.readable()) {
qdanilc 1:cd1fe330bc2a 40 c=pc.getc();
qdanilc 1:cd1fe330bc2a 41 esp.putc(c);
qdanilc 1:cd1fe330bc2a 42 //pc.putc(c); // echo back
qdanilc 1:cd1fe330bc2a 43 if(c==13) {
qdanilc 1:cd1fe330bc2a 44 esp.putc(10); // send the linefeed to complement the carriage return generated by return key on the pc
qdanilc 1:cd1fe330bc2a 45 pc.putc(10); //ie makes enter perform as expected
qdanilc 1:cd1fe330bc2a 46 }
qdanilc 1:cd1fe330bc2a 47 }
qdanilc 1:cd1fe330bc2a 48 }
qdanilc 1:cd1fe330bc2a 49
qdanilc 1:cd1fe330bc2a 50 int initiateWifi() {
qdanilc 1:cd1fe330bc2a 51
qdanilc 1:cd1fe330bc2a 52 //initialise the pins
qdanilc 1:cd1fe330bc2a 53 rstPin = 1;
qdanilc 1:cd1fe330bc2a 54 chpdPin = 1;
qdanilc 1:cd1fe330bc2a 55
qdanilc 1:cd1fe330bc2a 56 reset(); //perform an initial reset
qdanilc 1:cd1fe330bc2a 57
qdanilc 1:cd1fe330bc2a 58 blueLED = 1; //turn on test light
qdanilc 1:cd1fe330bc2a 59
qdanilc 1:cd1fe330bc2a 60 pc.attach(&pc_recv, Serial::RxIrq); // attach the two interrupt services
qdanilc 1:cd1fe330bc2a 61 esp.attach(&esp_recv, Serial::RxIrq);
qdanilc 1:cd1fe330bc2a 62
qdanilc 1:cd1fe330bc2a 63
qdanilc 1:cd1fe330bc2a 64 }