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Dependencies:   mbed nRF24L01P

main.cpp@15:217b3e5a2275, 2018-12-01 (annotated)

Committer:
hyunsungkim
Date:
Sat Dec 01 15:37:05 2018 +0000
Branch:
RF24_library_test_tx
Revision:
15:217b3e5a2275
Parent:
14:a4402559cd6e
Child:
16:7a78838b3b8a
Master ??? ???, ??? ??

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hyunsungkim 0:2dade6db4d3a 1 #include "mbed.h"
hyunsungkim 8:78294b936c70 2 #include "nRF24L01P.h"
hyunsungkim 3:690740ab3394 3 #include "beep.h"
hyunsungkim 3:690740ab3394 4
hyunsungkim 3:690740ab3394 5 #define nrf_CE D2
hyunsungkim 3:690740ab3394 6 #define nrf_CSN A3
hyunsungkim 3:690740ab3394 7 #define spi_SCK D13
hyunsungkim 3:690740ab3394 8 #define spi_MOSI D11
hyunsungkim 3:690740ab3394 9 #define spi_MISO D12
hyunsungkim 8:78294b936c70 10 #define spi_IRQ D4
hyunsungkim 8:78294b936c70 11
hyunsungkim 14:a4402559cd6e 12 #define TRANSFER_SIZE 15
hyunsungkim 8:78294b936c70 13
hyunsungkim 8:78294b936c70 14 nRF24L01P nrf(spi_MOSI, spi_MISO, spi_SCK, nrf_CSN, nrf_CE, spi_IRQ); // mosi, miso, sck, csn, ce, irq
hyunsungkim 8:78294b936c70 15
hyunsungkim 0:2dade6db4d3a 16 Serial pc(USBTX, USBRX);
hyunsungkim 0:2dade6db4d3a 17 PwmOut buzzer(D5);
hyunsungkim 0:2dade6db4d3a 18
hyunsungkim 8:78294b936c70 19 void beepStart();
hyunsungkim 8:78294b936c70 20 void endBeep();
hyunsungkim 15:217b3e5a2275 21 void initNRF();
hyunsungkim 11:1b56bb8ccd04 22 void dumpRFInfo();
hyunsungkim 10:02d3ca034103 23 void getPayload(int id, unsigned int count, int lspeed, int rspeed, char* txData);
hyunsungkim 8:78294b936c70 24
hyunsungkim 6:42ecdff5956a 25
hyunsungkim 0:2dade6db4d3a 26 int main() {
hyunsungkim 12:cf6cbf1d1ebf 27 int inByteCnt = 0;
hyunsungkim 12:cf6cbf1d1ebf 28 char buf[TRANSFER_SIZE+3];
hyunsungkim 12:cf6cbf1d1ebf 29
hyunsungkim 8:78294b936c70 30 beepStart();
hyunsungkim 0:2dade6db4d3a 31 pc.baud(115200);
hyunsungkim 15:217b3e5a2275 32 printf("I'm Master\r\n");
hyunsungkim 15:217b3e5a2275 33 initNRF();
hyunsungkim 11:1b56bb8ccd04 34 dumpRFInfo();
hyunsungkim 0:2dade6db4d3a 35
hyunsungkim 10:02d3ca034103 36 while(1) {
hyunsungkim 15:217b3e5a2275 37 while(pc.readable()) {
hyunsungkim 15:217b3e5a2275 38 char inByte = pc.getc();
hyunsungkim 15:217b3e5a2275 39 if(inByteCnt > TRANSFER_SIZE+2) {
hyunsungkim 15:217b3e5a2275 40 printf("Data size overflow!\r\n");
hyunsungkim 15:217b3e5a2275 41 inByteCnt = 0;
hyunsungkim 15:217b3e5a2275 42 break;
hyunsungkim 15:217b3e5a2275 43 } else if(inByte == '\0') {
hyunsungkim 15:217b3e5a2275 44 buf[inByteCnt] = '\0';
hyunsungkim 15:217b3e5a2275 45 printf("Command: %s\r\n", buf);
hyunsungkim 15:217b3e5a2275 46 nrf.write(NRF24L01P_PIPE_P0, buf, TRANSFER_SIZE);
hyunsungkim 15:217b3e5a2275 47 inByteCnt=0;
hyunsungkim 15:217b3e5a2275 48 } else {
hyunsungkim 15:217b3e5a2275 49 buf[inByteCnt++] = inByte;
hyunsungkim 10:02d3ca034103 50 }
hyunsungkim 10:02d3ca034103 51 }
hyunsungkim 10:02d3ca034103 52 }
hyunsungkim 10:02d3ca034103 53 }
hyunsungkim 10:02d3ca034103 54
hyunsungkim 10:02d3ca034103 55 void dumpRFInfo()
hyunsungkim 10:02d3ca034103 56 {
hyunsungkim 10:02d3ca034103 57 printf( "nRF24L01+ Frequency : %d MHz\r\n", nrf.getRfFrequency() );
hyunsungkim 10:02d3ca034103 58 printf( "nRF24L01+ Output power : %d dBm\r\n", nrf.getRfOutputPower() );
hyunsungkim 10:02d3ca034103 59 printf( "nRF24L01+ Data Rate : %d kbps\r\n", nrf.getAirDataRate() );
hyunsungkim 10:02d3ca034103 60 printf( "nRF24L01+ TX Address : 0x%010llX\r\n", nrf.getTxAddress() );
hyunsungkim 10:02d3ca034103 61 printf( "nRF24L01+ RX Address : 0x%010llX\r\n", nrf.getRxAddress() );
hyunsungkim 10:02d3ca034103 62 }
hyunsungkim 10:02d3ca034103 63
hyunsungkim 15:217b3e5a2275 64 void initNRF()
hyunsungkim 10:02d3ca034103 65 {
hyunsungkim 15:217b3e5a2275 66 nrf.setTxAddress(0xDEADBEEF0F);
hyunsungkim 15:217b3e5a2275 67 nrf.powerUp();
hyunsungkim 15:217b3e5a2275 68 nrf.setTransferSize( TRANSFER_SIZE );
hyunsungkim 15:217b3e5a2275 69 nrf.setTransmitMode();
hyunsungkim 15:217b3e5a2275 70 nrf.enable();
hyunsungkim 15:217b3e5a2275 71
hyunsungkim 8:78294b936c70 72 }
hyunsungkim 8:78294b936c70 73
hyunsungkim 10:02d3ca034103 74 void getPayload(int id, unsigned int count, int lspeed, int rspeed, char* txData)
hyunsungkim 10:02d3ca034103 75 {
hyunsungkim 14:a4402559cd6e 76 *(txData+0) = '$';
hyunsungkim 14:a4402559cd6e 77 *(txData+1) = id/10+'0';
hyunsungkim 14:a4402559cd6e 78 *(txData+2) = id%10+'0';
hyunsungkim 14:a4402559cd6e 79 *(txData+3) = count/10000+'0';
hyunsungkim 14:a4402559cd6e 80 *(txData+4) = count/1000%10+'0';
hyunsungkim 14:a4402559cd6e 81 *(txData+5) = count/100%10+'0';
hyunsungkim 14:a4402559cd6e 82 *(txData+6) = count/10%10+'0';
hyunsungkim 14:a4402559cd6e 83 *(txData+7) = count%10+'0';
hyunsungkim 14:a4402559cd6e 84 *(txData+8) = lspeed>0?'+':'-';
hyunsungkim 14:a4402559cd6e 85 *(txData+9) = abs(lspeed)/10+'0';
hyunsungkim 14:a4402559cd6e 86 *(txData+10) = abs(lspeed)%10+'0';
hyunsungkim 14:a4402559cd6e 87 *(txData+11) = rspeed>0?'+':'-';
hyunsungkim 14:a4402559cd6e 88 *(txData+12) = abs(rspeed)/10+'0';
hyunsungkim 14:a4402559cd6e 89 *(txData+13) = abs(rspeed)%10+'0';
hyunsungkim 14:a4402559cd6e 90 *(txData+14) = '\0';
hyunsungkim 13:f0f9a5586e45 91 }
hyunsungkim 13:f0f9a5586e45 92
hyunsungkim 13:f0f9a5586e45 93 /*
hyunsungkim 13:f0f9a5586e45 94 xxyyyyyabbcddn
hyunsungkim 13:f0f9a5586e45 95
hyunsungkim 14:a4402559cd6e 96 14 chars
hyunsungkim 14:a4402559cd6e 97
hyunsungkim 13:f0f9a5586e45 98 xx: robot_id
hyunsungkim 13:f0f9a5586e45 99 yyyyy: packet_id
hyunsungkim 13:f0f9a5586e45 100 a: sign of lspeed
hyunsungkim 13:f0f9a5586e45 101 bb: lspeed
hyunsungkim 13:f0f9a5586e45 102 c: sign of rspeed
hyunsungkim 13:f0f9a5586e45 103 dd: rspeed
hyunsungkim 14:a4402559cd6e 104 n: NULL 0
hyunsungkim 13:f0f9a5586e45 105
hyunsungkim 14:a4402559cd6e 106 0100001+30+30
hyunsungkim 13:f0f9a5586e45 107 */