Wireless sensor network to log LDR and Potentiometer values on Serial terminal. Wireless module used is NRF24L01P. This is the transmitter code.
Fork of kl25Z_nRF_TX by
Revision 1:52659fc8b32a, committed 2016-05-24
- Comitter:
- janhavi
- Date:
- Tue May 24 10:11:04 2016 +0000
- Parent:
- 0:19a03658bf70
- Commit message:
- WSN logging LDR and POT data over NRF.
Changed in this revision
| Transmitter.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/Transmitter.cpp Mon Jun 01 05:20:18 2015 +0000
+++ b/Transmitter.cpp Tue May 24 10:11:04 2016 +0000
@@ -1,50 +1,55 @@
#include "mbed.h"
#include "nRF24L01P.h"
-
+
Serial pc(USBTX, USBRX); // tx, rx
-
-nRF24L01P my_nrf24l01p(PTD6, PTE3, PTE2, PTB8, PTB9, PTD0); // mosi, miso, sck, csn, ce, irq
+
+nRF24L01P my_nrf24l01p(PTD2, PTD3, PTD1, PTD0, PTD5, PTD4); // mosi, miso, sck, csn, ce, irq
DigitalOut RedLED(LED1);
-
+AnalogIn ldr(A1);
+AnalogIn pot(A0);
+
int main()
{
char count[2];
char TxDataCnt;
char temp;
-
-
+
my_nrf24l01p.powerUp();
my_nrf24l01p.setRfFrequency(2410);
-
+
// Display the (default) setup of the nRF24L01+ chip
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( "Simple Transmitter (0 - 9 Counter) \r\n");
-
+
+ pc.printf( "Wirelesss sensor network \r\n");
+
TxDataCnt = 2;
my_nrf24l01p.setTransferSize(TxDataCnt);
-
+
my_nrf24l01p.enable();
-
- count[0] = 0x01;
- count[1] = 0x01;
-
+
+ char ldr_val, pot_val;
+
while (1) {
-
+
+ //adjusting data to 0-255 with char data type
+ ldr_val = 255*(ldr.read());
+ pot_val = 255*(pot.read());
+
+ count[0] = ldr_val;
+ count[1] = pot_val;
+
// Send the Transmit buffer via the nRF24L01+
temp = my_nrf24l01p.write( NRF24L01P_PIPE_P0,count, TxDataCnt );
-
- pc.printf( "Sending %d - %d %d\r\n",temp,count[0],count[1]);
-
+
+ pc.printf( "Sending %d bytes; LDR=%d, POT=%d\r\n",temp,count[0], count[1]);
+
// Toggle LED1 (to help debug Host -> nRF24L01+ communication)
RedLED = !RedLED;
-
- count[1]++;
-
+
wait(1);
}
-}
+}
\ No newline at end of file
