E45_TTL_100, Lora transceiver, tested on KL25Z connection with E45 via RS232. Power 100 mW, 868 MHz, range 2 km
Revision 3:19a244789b2b, committed 2018-02-17
- Comitter:
- GerritPathuis
- Date:
- Sat Feb 17 16:24:58 2018 +0000
- Parent:
- 2:329d3f88af27
- Child:
- 4:1249c317e7f3
- Commit message:
- Waits replaced by loops
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Sat Feb 17 10:10:11 2018 +0000 +++ b/main.cpp Sat Feb 17 16:24:58 2018 +0000 @@ -17,7 +17,7 @@ InterruptIn aux(PTD4); // AUX the E45 radio DigitalOut m1(PTA12,PullUp); // M1 the E45 radio DigitalOut m0(PTA4, PullUp); // M0 the E45 radio -DigitalOut myled(LED1); // Kl25x led1 +DigitalOut myled(LED_BLUE); // KL25x BLUE led void flank_up() @@ -30,7 +30,7 @@ myled=0; //Falling Edge Detected } -void timer_func() // Send something every 3s +void timer_func() // Send something every 3 seconds { if (myled == 1) { // AUX is high (Buffer empty), send something wait_ms(3); @@ -43,11 +43,13 @@ } } - int main() { + int count=0; + pc.baud(115200); - e45.baud(9600); + e45.baud(9600); // Default for E45 + e45.format(8, SerialBase::None, 1); // Default for E45 pc.puts("\n\r\nE45-TTL-100 LORA\n\r"); aux.rise(&flank_up); //Service RISING EDGE Interrupt @@ -55,22 +57,25 @@ // select mode // Transparant Transmission - m0= 0; - m1= 0; + if (myled ==1) { //Check ready or not + while(myled==0) { //Wait when not yet ready + count++; + if (count > 2000000) { + count=0; + pc.puts("Wait for AUX Rising edge "); + } + } + } + wait_ms(2); + m0= 0; //Set transparant mode + m1= 0; //Set transparant mode wait_ms(1); - // wait for E45 to be ready - while(myled==0) { - pc.puts("Wait for E45 reset\n\r"); - wait_ms(20); - } - wait_ms(2); + pc.puts("E45 is now ready to send and receive \n\r"); timer.attach(&timer_func, 3.0); - pc.puts("E45 is now ready to send and receive \n\r"); while(1) { if (myled == 0) { // AUX is low, Chars received - wait_ms(3); while(myled==0) { if (e45.readable()) { pc.putc(e45.getc()); //send to pc @@ -79,3 +84,4 @@ } } } +