Gerrit Pathuis / Mbed 2 deprecated E45_TTL_100

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Dependencies:   MODSERIAL mbed

main.cpp@1:2b8fa0144c4f, 2018-02-17 (annotated)

Committer:
GerritPathuis
Date:
Sat Feb 17 09:44:56 2018 +0000
Revision:
1:2b8fa0144c4f
Parent:
0:16ba41275340
Child:
2:329d3f88af27
This seems to work better

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GerritPathuis 0:16ba41275340 1 #include "mbed.h"
GerritPathuis 1:2b8fa0144c4f 2 #include "MODSERIAL.h"
GerritPathuis 0:16ba41275340 3
GerritPathuis 0:16ba41275340 4 // E45-TTL-100 RADIO------KL25Z
GerritPathuis 0:16ba41275340 5 // AUX--------------------PTD4
GerritPathuis 0:16ba41275340 6 // M1---------------------PTA12
GerritPathuis 0:16ba41275340 7 // M0---------------------PTA4
GerritPathuis 0:16ba41275340 8 // RXD--------------------PTE22(TX)
GerritPathuis 0:16ba41275340 9 // TXD--------------------PTE23(RX)
GerritPathuis 1:2b8fa0144c4f 10 // LORA Radio Transmits @ 868 mHz
GerritPathuis 0:16ba41275340 11
GerritPathuis 1:2b8fa0144c4f 12 Ticker timer;
GerritPathuis 1:2b8fa0144c4f 13 MODSERIAL pc(USBTX, USBRX, 512); // tx, rx of the pc
GerritPathuis 1:2b8fa0144c4f 14 MODSERIAL e45(PTE22, PTE23, 512); // tx, rx of the E45 radio
GerritPathuis 0:16ba41275340 15 InterruptIn aux(PTD4); // AUX the E45 radio
GerritPathuis 0:16ba41275340 16 DigitalOut m1(PTA12,PullUp); // M1 the E45 radio
GerritPathuis 0:16ba41275340 17 DigitalOut m0(PTA4, PullUp); // M0 the E45 radio
GerritPathuis 0:16ba41275340 18 DigitalOut myled(LED1); // Kl25x led1
GerritPathuis 0:16ba41275340 19
GerritPathuis 0:16ba41275340 20
GerritPathuis 0:16ba41275340 21 void flank_up()
GerritPathuis 0:16ba41275340 22 {
GerritPathuis 0:16ba41275340 23 myled=1; //Rising Edge Detected
GerritPathuis 0:16ba41275340 24 }
GerritPathuis 0:16ba41275340 25
GerritPathuis 0:16ba41275340 26 void flank_down()
GerritPathuis 0:16ba41275340 27 {
GerritPathuis 0:16ba41275340 28 myled=0; //Falling Edge Detected
GerritPathuis 0:16ba41275340 29 }
GerritPathuis 0:16ba41275340 30
GerritPathuis 1:2b8fa0144c4f 31 void timer_func() // Send something every 3s
GerritPathuis 1:2b8fa0144c4f 32 {
GerritPathuis 1:2b8fa0144c4f 33 //pc.puts("Try to send\n\r");
GerritPathuis 1:2b8fa0144c4f 34 if (myled == 1) { // AUX is high (Buffer empty), send something
GerritPathuis 1:2b8fa0144c4f 35 wait_ms(3);
GerritPathuis 1:2b8fa0144c4f 36 e45.puts("123");
GerritPathuis 1:2b8fa0144c4f 37 while(myled==0) {
GerritPathuis 1:2b8fa0144c4f 38 pc.puts("Wait for end Transmission\n\r");
GerritPathuis 1:2b8fa0144c4f 39 wait_ms(1);
GerritPathuis 1:2b8fa0144c4f 40 }
GerritPathuis 1:2b8fa0144c4f 41 pc.puts("Radio has sent 123\n\r");
GerritPathuis 1:2b8fa0144c4f 42 }
GerritPathuis 1:2b8fa0144c4f 43 }
GerritPathuis 1:2b8fa0144c4f 44
GerritPathuis 1:2b8fa0144c4f 45
GerritPathuis 0:16ba41275340 46 int main()
GerritPathuis 0:16ba41275340 47 {
GerritPathuis 1:2b8fa0144c4f 48 pc.baud(115200);
GerritPathuis 1:2b8fa0144c4f 49 e45.baud(9600);
GerritPathuis 0:16ba41275340 50 pc.puts("\n\r\nE45-TTL-100 LORA test \n\r");
GerritPathuis 0:16ba41275340 51
GerritPathuis 0:16ba41275340 52 aux.rise(&flank_up); //Service RISING EDGE Interrupt
GerritPathuis 0:16ba41275340 53 aux.fall(&flank_down); //Service FALLING EDGE Interrupt
GerritPathuis 0:16ba41275340 54
GerritPathuis 0:16ba41275340 55 // set mode, Transmission open
GerritPathuis 0:16ba41275340 56 m0= 0;
GerritPathuis 0:16ba41275340 57 m1= 0;
GerritPathuis 0:16ba41275340 58
GerritPathuis 1:2b8fa0144c4f 59 // wait for E45 to be ready
GerritPathuis 0:16ba41275340 60 while(myled==0) {
GerritPathuis 1:2b8fa0144c4f 61 pc.puts("Wait for E45 reset\n\r");
GerritPathuis 1:2b8fa0144c4f 62 wait_ms(1);
GerritPathuis 0:16ba41275340 63 }
GerritPathuis 1:2b8fa0144c4f 64 wait_ms(2);
GerritPathuis 1:2b8fa0144c4f 65 timer.attach(&timer_func, 3.0);
GerritPathuis 1:2b8fa0144c4f 66 pc.puts("E45 is now ready to send and receive \n\r");
GerritPathuis 0:16ba41275340 67
GerritPathuis 0:16ba41275340 68 while(1) {
GerritPathuis 0:16ba41275340 69 // indicate status aux
GerritPathuis 1:2b8fa0144c4f 70 if (myled == 0) { // AUX is low, Chars received
GerritPathuis 1:2b8fa0144c4f 71 wait_ms(3);
GerritPathuis 1:2b8fa0144c4f 72 while(myled==0) {
GerritPathuis 1:2b8fa0144c4f 73 if (e45.readable()) {
GerritPathuis 1:2b8fa0144c4f 74 pc.putc(e45.getc()); //send to pc
GerritPathuis 1:2b8fa0144c4f 75 }
GerritPathuis 1:2b8fa0144c4f 76 }
GerritPathuis 0:16ba41275340 77 }
GerritPathuis 0:16ba41275340 78 }
GerritPathuis 0:16ba41275340 79 }