Dominic Naples / Mbed 2 deprecated Final_projectnew

Test program for the Nordic Semi nRF24L01 Transceiver Module (http://www.sparkfun.com/products/691), talking to another module connected to SparkFun\'s Nordic Serial Interface Board (http://www.sparkfun.com/products/9019).

Dependencies:   BSP_DISCO_L476VG LCD_DISCO_L476VG mbed nRF24L01P

Fork of Final_project by Dominic Naples

main.cpp@4:dcee65c6cebf, 2018-04-17 (annotated)

Committer:
dnaples02
Date:
Tue Apr 17 21:33:05 2018 +0000
Revision:
4:dcee65c6cebf
Parent:
3:2544ec35c76f 
domthetechdudemuthafucka

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Owen 0:a51a6e7da590 1 #include "mbed.h"
Owen 0:a51a6e7da590 2 #include "nRF24L01P.h"
dnaples02 3:2544ec35c76f 3 #include "LCD_DISCO_L476VG.h"
Owen 0:a51a6e7da590 4
Owen 0:a51a6e7da590 5 Serial pc(USBTX, USBRX); // tx, rx
Owen 0:a51a6e7da590 6
dnaples02 2:9ecf15bfb0b4 7 nRF24L01P my_nrf24l01p(PE_15, PE_14, PE_13, PE_12, PE_10, PE_11); // mosi, miso, sck, csn, ce, irq
Owen 0:a51a6e7da590 8
Owen 0:a51a6e7da590 9 DigitalOut myled1(LED1);
Owen 0:a51a6e7da590 10 DigitalOut myled2(LED2);
dnaples02 3:2544ec35c76f 11 LCD_DISCO_L476VG lcd;
Owen 0:a51a6e7da590 12
Owen 0:a51a6e7da590 13 int main() {
Owen 0:a51a6e7da590 14
Owen 0:a51a6e7da590 15 // The nRF24L01+ supports transfers from 1 to 32 bytes, but Sparkfun's
Owen 0:a51a6e7da590 16 // "Nordic Serial Interface Board" (http://www.sparkfun.com/products/9019)
Owen 0:a51a6e7da590 17 // only handles 4 byte transfers in the ATMega code.
Owen 0:a51a6e7da590 18 #define TRANSFER_SIZE 4
Owen 0:a51a6e7da590 19
Owen 0:a51a6e7da590 20 char txData[TRANSFER_SIZE], rxData[TRANSFER_SIZE];
Owen 0:a51a6e7da590 21 int txDataCnt = 0;
Owen 0:a51a6e7da590 22 int rxDataCnt = 0;
dnaples02 3:2544ec35c76f 23 uint32_t temp = 0;
dnaples02 3:2544ec35c76f 24 uint8_t stemp[7] = {0};
dnaples02 3:2544ec35c76f 25 //uint8_t title[] = " DISCOVERY STM32L476";
Owen 0:a51a6e7da590 26 my_nrf24l01p.powerUp();
dnaples02 3:2544ec35c76f 27
Owen 0:a51a6e7da590 28
Owen 0:a51a6e7da590 29 // Display the (default) setup of the nRF24L01+ chip
Owen 0:a51a6e7da590 30 pc.printf( "nRF24L01+ Frequency : %d MHz\r\n", my_nrf24l01p.getRfFrequency() );
Owen 0:a51a6e7da590 31 pc.printf( "nRF24L01+ Output power : %d dBm\r\n", my_nrf24l01p.getRfOutputPower() );
Owen 0:a51a6e7da590 32 pc.printf( "nRF24L01+ Data Rate : %d kbps\r\n", my_nrf24l01p.getAirDataRate() );
Owen 0:a51a6e7da590 33 pc.printf( "nRF24L01+ TX Address : 0x%010llX\r\n", my_nrf24l01p.getTxAddress() );
Owen 0:a51a6e7da590 34 pc.printf( "nRF24L01+ RX Address : 0x%010llX\r\n", my_nrf24l01p.getRxAddress() );
Owen 0:a51a6e7da590 35
Owen 0:a51a6e7da590 36 pc.printf( "Type keys to test transfers:\r\n (transfers are grouped into %d characters)\r\n", TRANSFER_SIZE );
Owen 0:a51a6e7da590 37
Owen 0:a51a6e7da590 38 my_nrf24l01p.setTransferSize( TRANSFER_SIZE );
Owen 0:a51a6e7da590 39
Owen 0:a51a6e7da590 40 my_nrf24l01p.setReceiveMode();
Owen 0:a51a6e7da590 41 my_nrf24l01p.enable();
dnaples02 3:2544ec35c76f 42
dnaples02 3:2544ec35c76f 43 printf("Hello\n");
dnaples02 3:2544ec35c76f 44 //led_green = 1;
dnaples02 3:2544ec35c76f 45 lcd.Clear();
dnaples02 3:2544ec35c76f 46 lcd.DisplayString((uint8_t *)"HELLO");
dnaples02 4:dcee65c6cebf 47 wait(5);
dnaples02 4:dcee65c6cebf 48 lcd.Clear();
dnaples02 4:dcee65c6cebf 49
Owen 0:a51a6e7da590 50 while (1) {
Owen 0:a51a6e7da590 51
Owen 0:a51a6e7da590 52 // If we've received anything over the host serial link...
Owen 0:a51a6e7da590 53 if ( pc.readable() ) {
Owen 0:a51a6e7da590 54
Owen 0:a51a6e7da590 55 // ...add it to the transmit buffer
dnaples02 3:2544ec35c76f 56 txData[txDataCnt++] = pc.getc();}
Owen 0:a51a6e7da590 57
Owen 0:a51a6e7da590 58 // If the transmit buffer is full
Owen 0:a51a6e7da590 59 if ( txDataCnt >= sizeof( txData ) ) {
Owen 0:a51a6e7da590 60
Owen 0:a51a6e7da590 61 // Send the transmitbuffer via the nRF24L01+
Owen 0:a51a6e7da590 62 my_nrf24l01p.write( NRF24L01P_PIPE_P0, txData, txDataCnt );
Owen 0:a51a6e7da590 63
Owen 0:a51a6e7da590 64 txDataCnt = 0;
dnaples02 3:2544ec35c76f 65
Owen 0:a51a6e7da590 66
Owen 0:a51a6e7da590 67 // Toggle LED1 (to help debug Host -> nRF24L01+ communication)
Owen 0:a51a6e7da590 68 myled1 = !myled1;
Owen 0:a51a6e7da590 69 }
Owen 0:a51a6e7da590 70
Owen 0:a51a6e7da590 71 // If we've received anything in the nRF24L01+...
Owen 0:a51a6e7da590 72 if ( my_nrf24l01p.readable() ) {
Owen 0:a51a6e7da590 73
Owen 0:a51a6e7da590 74 // ...read the data into the receive buffer
Owen 0:a51a6e7da590 75 rxDataCnt = my_nrf24l01p.read( NRF24L01P_PIPE_P0, rxData, sizeof( rxData ) );
Owen 0:a51a6e7da590 76 // Display the receive buffer contents via the host serial link
Owen 0:a51a6e7da590 77 for ( int i = 0; rxDataCnt > 0; rxDataCnt--, i++ ) {
Owen 0:a51a6e7da590 78
Owen 0:a51a6e7da590 79 pc.putc( rxData[i] );
dnaples02 4:dcee65c6cebf 80
Owen 0:a51a6e7da590 81 }
dnaples02 4:dcee65c6cebf 82 lcd.Clear();
dnaples02 4:dcee65c6cebf 83 lcd.DisplayString((uint8_t *)"REC");
dnaples02 4:dcee65c6cebf 84 wait(5);
dnaples02 4:dcee65c6cebf 85 lcd.Clear();
dnaples02 3:2544ec35c76f 86 }
dnaples02 3:2544ec35c76f 87
dnaples02 3:2544ec35c76f 88
dnaples02 3:2544ec35c76f 89
dnaples02 3:2544ec35c76f 90 // printf("Scroll sequence\n");
dnaples02 3:2544ec35c76f 91 //led_green = 0;
dnaples02 3:2544ec35c76f 92 //lcd.Clear();
dnaples02 4:dcee65c6cebf 93
Owen 0:a51a6e7da590 94 // Toggle LED2 (to help debug nRF24L01+ -> Host communication)
Owen 0:a51a6e7da590 95 myled2 = !myled2;
Owen 0:a51a6e7da590 96 }
Owen 0:a51a6e7da590 97 }
dnaples02 3:2544ec35c76f 98