Diff: main.cpp

Revision:

2:0666202b51f9

Parent:

1:b277f5a65c1c

--- a/main.cpp	Thu Mar 21 10:22:46 2019 +0000
+++ b/main.cpp	Sun May 09 19:56:00 2021 +0000
@@ -1,39 +1,92 @@
 #include "radio.h"
-
+#define MASK_XXXXXXX_ 15
 // Semtech radio definitions for SX127x, SX126x and SX128x
 
 #if defined(SX127x_H)
     #define BW_KHZ              500
     #define SPREADING_FACTOR    11
     #define CF_HZ               912000000
-    #define TX_DBM              20
 #elif defined(SX126x_H)
     #define BW_KHZ              500
     #define SPREADING_FACTOR    10
-    #define CF_HZ               915000000
-    #define TX_DBM              (Radio::chipType == CHIP_TYPE_SX1262 ? 20 : 14) 
+    #define CF_HZ               913000000
 #elif defined(SX128x_H)
     #define BW_KHZ              200
     #define SPREADING_FACTOR    7
     #define CF_HZ               2487000000
-    #define TX_DBM              6
 #endif
 
-/******************** Setup radio transmitter ****************************/
+DigitalOut myled(LED1);
+DigitalOut signalPin[8] = {PB_1,PB_15,D4,D7,D5,PB_14,D9,D14};
+DigitalOut syncPin(PC_4);
+Timeout resetTrip;
 
-
-volatile bool txDone;
+/**********************************************************************/
 
 void txDoneCB()
 {
-    txDone = true;
+}
+
+void turnOffSyncPin() {
+    syncPin = 0;
 }
 
 void rxDoneCB(uint8_t size, float rssi, float snr)
 {
-}
+    unsigned i;
+    printf("%.1fdBm  snr:%.1fdB\t", rssi, snr);
+    uint8_t maxShift = 7;
 
-    // Define radio events for transmitter
+    myled.write(!myled.read()); // toggle LED
+    
+    //verify ID, in this case ID is 42
+    uint8_t byte = Radio::radio.rx_buf[0];
+    if(byte != 42)return;
+    
+    //write first received byte as state of pins
+    byte = Radio::radio.rx_buf[1];
+    uint8_t tempByte = byte;
+    uint8_t bit[8] = {0};
+    for (int i = 0; i<8; i++)
+    {
+        tempByte = tempByte << (maxShift - i);
+        tempByte = tempByte >> (maxShift);
+        tempByte = tempByte << i;
+        if(tempByte)bit[i] = 1;
+        else bit[i] = 0;
+        tempByte = byte;
+    }
+    printf("\n\r");
+    printf("byte: %d",byte);
+    for (int i = 0; i<8; i++)
+    {
+    printf("bit%d: %d\n\r",i,bit[i]);
+    }
+
+    for (int i = 0; i<8; i++)
+    {
+        signalPin[i] = bit[i];
+    }
+    if(bit[0])
+    {
+        syncPin = 1;
+        resetTrip.attach(&turnOffSyncPin, .01);
+    }
+    ThisThread::sleep_for(200);
+    
+    for (int i = 0; i<8; i++)
+    {
+        signalPin[i] = 0;
+    }
+    
+
+    // Display payload packet information
+
+    for (i = 0; i < size; i++) {
+        printf("%02d ", Radio::radio.rx_buf[i]);   // Changed to "%02d \n"
+    }
+    printf("\r\n\n");
+}
 
 const RadioEvents_t rev = {
     /* Dio0_top_half */     NULL,
@@ -48,47 +101,29 @@
 };
 
 int main()
-{
-    uint8_t seq = 0;  //  Set initial transmit sequence to 0
- 
-    printf("\r\nreset-tx ");
+{   
+
+    // POR & Reset debug message
+        
+    printf("\r\nreset-rx\r\n");
     
-    // Start radio transmitter after POR or reset
-
     Radio::Init(&rev);
 
-    //Set radio properties for transmitter
-
+    // Radio Start
+    
     Radio::Standby();
     Radio::LoRaModemConfig(BW_KHZ, SPREADING_FACTOR, 1);
     Radio::SetChannel(CF_HZ);
 
-    // Set transmitter output power
-
-    Radio::set_tx_dbm(TX_DBM);
-
-    // Setup transmit packet payload  -> preambleLen, fixLen, crcOn, invIQ
+    // preambleLen, fixLen, crcOn, invIQ
                
     Radio::LoRaPacketConfig(8, false, true, false);
     
-    printf("\n");
-    
-    printf("%02d \r\n\n", seq);
-
-    for (;;) {
-        Radio::radio.tx_buf[0] = seq;  // set payload 
-        txDone = false;
-        Radio::Send(10, 0, 0, 0);   // begin transmission of payload 
+    // Start radio receiver, wait for packets from transmitter
 
-        while (!txDone) {
-            Radio::service();
-        }
-
-        // Transmit payload every 500mS
-
-        wait(0.5);  // throttle sending rate 
-        seq++;  // change payload (increment sequence number)
-        printf("%02d \r\n\n", seq);  // Print sequence number
-        
-        }
-}
+    Radio::Rx(0);
+    
+    for (;;) {     
+        Radio::service();
+    }
+}
\ No newline at end of file