Diff: main.cpp

Revision:

3:d59225786982

Parent:

2:b57a1cf4d5a7

Child:

4:50108ed2e507

--- a/main.cpp	Fri Dec 04 07:35:46 2020 +0000
+++ b/main.cpp	Fri Dec 11 07:00:23 2020 +0000
@@ -1,75 +1,87 @@
 #include "mbed.h"
 #include "nRF24L01P.h"
 
+#define SPI2_MOSI PD_4
+#define SPI2_MISO PD_3
+#define SPI2_SCLK PD_1
+#define CSN D9
+#define CE D8
+#define IRQ D1
+
 Serial pc(USBTX, USBRX); // tx, rx
 
-nRF24L01P my_nrf24l01p(PD_4, PD_3, PD_1, D9, D8, D1);    // mosi, miso, sck, csn, ce, irq
+nRF24L01P my_nrf24l01p(SPI2_MOSI, SPI2_MISO, SPI2_SCLK, CSN, CE, IRQ);    // mosi, miso, sck, csn, ce, irq
 
 DigitalOut myled1(LED1);
 DigitalOut myled2(LED2);
 
-int main() {
-
+int main() 
+{
 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
 //  "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
 //  only handles 4 byte transfers in the ATMega code.
-#define TRANSFER_SIZE   4
+#define TRANSFER_SIZE 4
 
-    char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
+    char txData[TRANSFER_SIZE];
     int txDataCnt = 0;
-    int rxDataCnt = 0;
 
     my_nrf24l01p.powerUp();
 
     // Display the (default) setup of the nRF24L01+ chip
+    pc.printf("Default setup : \r\n");
     pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
     pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
     pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
     pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
     pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
+    pc.printf("\r\n\r\n");
 
-    pc.printf( "Type keys to test transfers:\r\n  (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
+    my_nrf24l01p.setRfFrequency(NRF24L01P_MIN_RF_FREQUENCY);
+    my_nrf24l01p.setAirDataRate(NRF24L01P_DATARATE_2_MBPS);
+    my_nrf24l01p.setTxAddress(0xFFA);
+    my_nrf24l01p.setRxAddress(0xFFE);
+    
+    pc.printf("Custom setup : \r\n");
+    pc.printf( "nRF24L01+ Frequency    : %d MHz\r\n",  my_nrf24l01p.getRfFrequency() );
+    pc.printf( "nRF24L01+ Output power : %d dBm\r\n",  my_nrf24l01p.getRfOutputPower() );
+    pc.printf( "nRF24L01+ Data Rate    : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
+    pc.printf( "nRF24L01+ TX Address   : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
+    pc.printf( "nRF24L01+ RX Address   : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
+    pc.printf("\r\n\r\n");
+    
+
+    pc.printf( "Spamming routine enabled !\r\n");
 
     my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
 
-    my_nrf24l01p.setReceiveMode();
+    my_nrf24l01p.setTransmitMode();
     my_nrf24l01p.enable();
 
-    while (1) {
+    while (1) 
+    {
+        //Send "Hello PC" to the PC board
+        int i = 0;
+        char data[] = "Hello PC !\r\n";
+        int dataSize = 16;
 
-        // If we've received anything over the host serial link...
-        if ( pc.readable() ) {
-
-            // ...add it to the transmit buffer
-            txData[txDataCnt++] = pc.getc();
+        // add datas to the transmit buffer
+        txData[txDataCnt++] = data[i++];
 
-            // If the transmit buffer is full
-            if ( txDataCnt >= sizeof( txData ) ) {
-
-                // Send the transmitbuffer via the nRF24L01+
-                my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
+        if (i >= dataSize)
+        {
+            i = 0;
 
-                txDataCnt = 0;
-            }
+        }
+        // If the transmit buffer is full
+        if ( txDataCnt >= sizeof( txData ) ) {
 
-            // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
-            myled1 = !myled1;
+            // Send the transmitbuffer via the nRF24L01+
+            my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
+
+            txDataCnt = 0;
         }
 
-        // If we've received anything in the nRF24L01+...
-        if ( my_nrf24l01p.readable() ) {
-
-            // ...read the data into the receive buffer
-            rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
-
-            // Display the receive buffer contents via the host serial link
-            for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
-
-                pc.putc( rxData[i] );
-            }
-
-            // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
-            myled2 = !myled2;
-        }
+        // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
+        myled1 = !myled1;
     }
 }