Diff: main.cpp

Revision:

0:5acc19265529

Child:

2:a93ffb29a2d2

diff -r 000000000000 -r 5acc19265529 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jul 09 01:47:21 2019 +0000
@@ -0,0 +1,138 @@
+#include "mbed.h"
+#include "config.h"
+#include "sx1276-mbed-hal.h"
+#include "main.h"
+
+// Override stdout to use our serial port
+FileHandle* mbed::mbed_override_console(int fd) {
+    static UARTSerial pc(PA_9, PA_10, 115200);
+    return &pc;
+}
+
+
+static RadioEvents_t RadioEvents;
+
+SX1276Generic *Radio;
+DigitalOut blueLed = DigitalOut(LED);
+
+// NOTE: By default the sample application is in recieve mode.
+// Connect PIN PC_2 to 3.3v to transmit
+DigitalIn txModeIndicator = DigitalIn(TX_IND);
+
+int timeoutCount, errCount, recvCount = 0;
+
+int main() 
+{
+    
+    blueLed = 1;
+
+    Radio = new SX1276Generic(NULL, RFM95_SX1276,
+            LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
+            LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5);
+        
+    printf("LoDev RX/TX Demo Application\n" );
+    printf("Freqency: %.1f\n", (double)RF_FREQUENCY/1000000.0);
+    printf("TXPower: %d dBm\n",  TX_OUTPUT_POWER);
+    printf("Bandwidth: %d Hz\n", LORA_BANDWIDTH);
+    printf("Spreading factor: SF%d\n", LORA_SPREADING_FACTOR);
+    
+    // Initialize Radio driver
+    RadioEvents.TxDone = OnTxDone;
+    RadioEvents.RxDone = OnRxDone;
+    RadioEvents.RxError = OnRxError;
+    RadioEvents.TxTimeout = OnTxTimeout;
+    RadioEvents.RxTimeout = OnRxTimeout;    
+    if (Radio->Init( &RadioEvents ) == false) {
+        while(1) {
+            printf("Radio could not be detected!\n");
+            wait( 1 );
+        }
+    }
+
+    Radio->DetectBoardType();
+    Radio->SetChannel(RF_FREQUENCY ); 
+
+    Radio->SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
+                         LORA_SPREADING_FACTOR, LORA_CODINGRATE,
+                         LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
+                         LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 
+                         LORA_IQ_INVERSION_ON, 2000 );
+    
+    Radio->SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
+                         LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
+                         LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0,
+                         LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 
+                         LORA_IQ_INVERSION_ON, true );
+                              
+    printf("Starting loop\n"); 
+        
+    uint16_t frameCount = 0;
+    char buffer[18]; 
+
+    bool txMode = false;    
+    if(txModeIndicator == 1) {
+        // Transmit
+        txMode = true;
+    } else {
+        Radio->Rx(0);
+    }
+
+    while( 1 )
+    {
+        blueLed = 1;
+        if(txMode) {
+            wait_ms(5000);
+            sprintf(buffer, "%u Hello World", frameCount);
+            printf("Sending packet: %s\n", buffer);
+            Radio->Send( buffer, strlen(buffer) );
+            frameCount++;
+        } else {
+            wait_ms(100);
+        }
+        
+    }
+}
+
+void OnTxDone(void *radio, void *userThisPtr, void *userData)
+{
+    Radio->Sleep( );
+    blueLed = 0;
+    printf("> OnTxDone\n");
+}
+
+void OnRxDone(void *radio, void *userThisPtr, void *userData, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr)
+{
+    Radio->Sleep( );
+    blueLed = 0;
+    recvCount++;
+    printf("Status: Recv=%d, Error=%d, Timeout=%d\n", recvCount, errCount, timeoutCount);
+    printf("> OnRxDone: RssiValue=%d dBm, SnrValue=%d\n", rssi, snr);
+    printf("Data[%d]: %.*s\n", size, size, payload);
+    Radio->Rx(0);
+}
+
+void OnTxTimeout(void *radio, void *userThisPtr, void *userData)
+{
+    Radio->Sleep( );
+    blueLed = 0;
+    printf("> OnTxTimeout\n");
+}
+
+void OnRxTimeout(void *radio, void *userThisPtr, void *userData)
+{
+    Radio->Sleep( );
+    blueLed = 0;
+    printf("> OnRxTimeout\n");
+    timeoutCount++;
+    blueLed = 0;
+    Radio->Rx(0);
+}
+
+void OnRxError(void *radio, void *userThisPtr, void *userData)
+{
+    Radio->Sleep( );
+    printf("> OnRxError\n");
+    errCount++;
+    blueLed = 0;
+    Radio->Rx(0);
+}
\ No newline at end of file