framboise314.fr

Code : Tout sélectionner

root@raspberrypi:~# cd RF24test/
root@raspberrypi:~/RF24test# make
g++ -Ofast -mfpu=vfp -mfloat-abi=hard -march=armv6zk -mtune=arm1176jzf-s -Wall -                                                 
I../ -lrf24-bcm spi.cpp -o spi
spi.cpp: In function ‘int main(int, char**)’:
spi.cpp:44:23: error: too few arguments to function ‘void bcm2835_spi_begin(uint                                                 
8_t)’
/usr/local/include/bcm2835.h:999:17: note: declared here
spi.cpp:40:10: warning: unused variable ‘buffer2’ [-Wunused-variable]
Makefile:32: recipe for target 'spi' failed
make: *** [spi] Error 1
root@raspberrypi:~/RF24test#

Code : Tout sélectionner

#include <RF24.h>
#include <RF24_config.h>
#include <SPI.h>
#include <OneWire.h>
#include <DallasTemperature.h>

OneWire oneWire(2);

DallasTemperature sensors(&oneWire);

// ce,csn pins
RF24 radio(9,10);

unsigned char data[3] = {
  0};
unsigned long count=0;
void setup(void)
{
  sensors.begin();  
  Serial.begin(57600);
  Serial.println("**************V1 Send Sensor Data***********");
  radio.begin();
  radio.setPALevel(RF24_PA_LOW);
  radio.setChannel(0x4c);

  // open pipe for writing
  radio.openWritingPipe(0xF0F0F0F0E1LL);

  radio.enableDynamicPayloads();
  radio.setAutoAck(true);
  radio.powerUp();
  Serial.println("...Sending");
}

void loop(void)
{
  sensors.requestTemperatures();
  float currentTemp;
  currentTemp = sensors.getTempCByIndex(0);

  //assign 'T' to represent a Temperature reading
  data[0] = 'T';
  data[1] = currentTemp;
  count++;
  // print and increment the counter
  radio.write(data, sizeof(float)+1);
  Serial.print("Temperature sent:  ");
  Serial.println(currentTemp);
  // pause a second
  delay(500);
}

Code : Tout sélectionner

root@raspberrypi:~/rf24libs/RF24/examples_RPi/extra# ./rpi-hub
================ SPI Configuration ================
CSN Pin          = CE0 (PI Hardware Driven)
CE Pin           = Custom GPIO22
Clock Speed      = 8 Mhz
================ NRF Configuration ================
STATUS           = 0x0e RX_DR=0 TX_DS=0 MAX_RT=0 RX_P_NO=7 TX_FULL=0
RX_ADDR_P0-1     = 0xf0f0f0f0d2 0xf0f0f0f0e1
RX_ADDR_P2-5     = 0xe2 0xe3 0xf1 0xf2
TX_ADDR          = 0xf0f0f0f0d2
RX_PW_P0-6       = 0x20 0x20 0x20 0x20 0x20 0x20
EN_AA            = 0x3f
EN_RXADDR        = 0x3e
RF_CH            = 0x4c
RF_SETUP         = 0x07
CONFIG           = 0x0f
DYNPD/FEATURE    = 0x3f 0x04
Data Rate        = 1MBPS
Model            = nRF24L01+
CRC Length       = 16 bits
PA Power         = PA_MAX
Output below :
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1
Recv: size=5 payload=T pipe=1    Send: size=5 payload=T pipe:1

Code : Tout sélectionner

void setup(void)
{
    // init radio for reading
    radio.begin();
    radio.enableDynamicPayloads();
    radio.setAutoAck(1);
    radio.setRetries(15,15);
    radio.setDataRate(RF24_1MBPS);
    radio.setPALevel(RF24_PA_MAX);
    radio.setChannel(76);
    radio.setCRCLength(RF24_CRC_16);
    radio.openReadingPipe(1,0xF0F0F0F0E1LL);
    radio.startListening();
}

void loop(void)
{
    // 32 byte character array is max payload
    char receivePayload[32];
    time_t t = time(0);   // get time now
    struct tm * now = localtime( & t ); // Get curret Time.

    while (radio.available())
    {
         // read from radio until payload size is reached
        uint8_t len = radio.getDynamicPayloadSize();
        radio.read(receivePayload, len);

        // display payload
        cout << (now->tm_year + 1900) << '-' 
        << (now->tm_mon + 1) << '-'
        <<  now->tm_mday << ' '
        << now->tm_hour << ':'
        << now->tm_min << ' '
        << receivePayload << endl;
    }
}

int main(int argc, char** argv) 
{
    setup();
    while(1)
        loop();

    return 0;
}