Initial commit

AbstractPL1167.h

@@ -0,0 +1,36 @@
+/*
+ * AbstractPL1167.h
+ *
+ *  Created on: 29 May 2015
+ *      Author: henryk
+ */
+
+#ifdef ARDUINO
+#include "Arduino.h"
+#else
+#include <stdint.h>
+#include <stdlib.h>
+#endif
+
+#ifndef ABSTRACTPL1167_H_
+#define ABSTRACTPL1167_H_
+
+class AbstractPL1167 {
+  public:
+    virtual int open() = 0;
+
+    virtual int setPreambleLength(uint8_t preambleLength) = 0;
+    virtual int setSyncword(uint16_t syncword0, uint16_t syncword3) = 0;
+    virtual int setTrailerLength(uint8_t trailerLength) = 0;
+    virtual int setMaxPacketLength(uint8_t maxPacketLength) = 0;
+    virtual int setCRC(bool crc) = 0;
+    virtual int writeFIFO(const uint8_t data[], size_t data_length) = 0;
+    virtual int transmit(uint8_t channel) = 0;
+    virtual int receive(uint8_t channel) = 0;
+    virtual int readFIFO(uint8_t data[], size_t &data_length) = 0;
+};
+
+
+
+
+#endif /* ABSTRACTPL1167_H_ */

Makefile

@@ -0,0 +1,18 @@
+
+CC = g++
+CFLAGS = -c -Wall
+LIBS = -lrf24-bcm
+SOURCES =  PL1167_nRF24.cpp MiLightRadio.cpp openmilight.cpp
+BIN = openmilight
+
+all: $(SOURCES) $(BIN)
+
+$(BIN):	$(SOURCES:.cpp=.o)
+	$(CC) $^ -o $@ $(LIBS)
+
+%.o: %.cpp
+	$(CC) $(CFLAGS) -o $@ $<
+
+clean:
+	rm -f *.o $(BIN)
+

MiLightRadio.cpp

@@ -0,0 +1,134 @@
+/*
+ * MiLightRadio.cpp
+ *
+ *  Created on: 29 May 2015
+ *      Author: henryk
+ */
+
+#include "MiLightRadio.h"
+
+#define PACKET_ID(packet) ( ((packet[1] & 0xF0)<<24) | (packet[2]<<16) | (packet[3]<<8) | (packet[7]) )
+
+static const uint8_t CHANNELS[] = {9, 40, 71};
+#define NUM_CHANNELS (sizeof(CHANNELS)/sizeof(CHANNELS[0]))
+
+MiLightRadio::MiLightRadio(AbstractPL1167 &pl1167)
+  : _pl1167(pl1167) {
+  _waiting = false;
+}
+
+int MiLightRadio::begin()
+{
+  int retval = _pl1167.open();
+  if (retval < 0) {
+    return retval;
+  }
+
+  retval = _pl1167.setCRC(true);
+  if (retval < 0) {
+    return retval;
+  }
+
+  retval = _pl1167.setPreambleLength(3);
+  if (retval < 0) {
+    return retval;
+  }
+
+  retval = _pl1167.setTrailerLength(4);
+  if (retval < 0) {
+    return retval;
+  }
+
+  retval = _pl1167.setSyncword(0x147A, 0x258B);
+  if (retval < 0) {
+    return retval;
+  }
+
+  retval = _pl1167.setMaxPacketLength(8);
+  if (retval < 0) {
+    return retval;
+  }
+
+  available();
+
+  return 0;
+}
+
+bool MiLightRadio::available()
+{
+  if (_waiting) {
+    return true;
+  }
+
+  if (_pl1167.receive(CHANNELS[0]) > 0) {
+    size_t packet_length = sizeof(_packet);
+    if (_pl1167.readFIFO(_packet, packet_length) < 0) {
+      return false;
+    }
+    if (packet_length == 0 || packet_length != _packet[0] + 1U) {
+      return false;
+    }
+
+    uint32_t packet_id = PACKET_ID(_packet);
+    if (packet_id == _prev_packet_id) {
+      _dupes_received++;
+    } else {
+      _prev_packet_id = packet_id;
+      _waiting = true;
+    }
+  }
+
+  return _waiting;
+}
+
+int MiLightRadio::dupesReceived()
+{
+  return _dupes_received;
+}
+
+
+int MiLightRadio::read(uint8_t frame[], size_t &frame_length)
+{
+  if (!_waiting) {
+    frame_length = 0;
+    return -1;
+  }
+
+  if (frame_length > sizeof(_packet) - 1) {
+    frame_length = sizeof(_packet) - 1;
+  }
+
+  if (frame_length > _packet[0]) {
+    frame_length = _packet[0];
+  }
+
+  memcpy(frame, _packet + 1, frame_length);
+  _waiting = false;
+
+  return _packet[0];
+}
+
+int MiLightRadio::write(uint8_t frame[], size_t frame_length)
+{
+  if (frame_length > sizeof(_out_packet) - 1) {
+    return -1;
+  }
+
+  memcpy(_out_packet + 1, frame, frame_length);
+  _out_packet[0] = frame_length;
+
+  int retval = resend();
+  if (retval < 0) {
+    return retval;
+  }
+  return frame_length;
+}
+
+int MiLightRadio::resend()
+{
+  for (size_t i = 0; i < NUM_CHANNELS; i++) {
+    _pl1167.writeFIFO(_out_packet, _out_packet[0] + 1);
+    _pl1167.transmit(CHANNELS[i]);
+  }
+  return 0;
+}

MiLightRadio.h

@@ -0,0 +1,41 @@
+/*
+ * MiLightRadio.h
+ *
+ *  Created on: 29 May 2015
+ *      Author: henryk
+ */
+
+#ifdef ARDUINO
+#include "Arduino.h"
+#else
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#endif
+
+#include "AbstractPL1167.h"
+
+#ifndef MILIGHTRADIO_H_
+#define MILIGHTRADIO_H_
+
+class MiLightRadio {
+  public:
+    MiLightRadio(AbstractPL1167 &pl1167);
+    int begin();
+    bool available();
+    int read(uint8_t frame[], size_t &frame_length);
+    int dupesReceived();
+    int write(uint8_t frame[], size_t frame_length);
+    int resend();
+  private:
+    AbstractPL1167 &_pl1167;
+    uint32_t _prev_packet_id;
+
+    uint8_t _packet[8], _out_packet[8];
+    bool _waiting;
+    int _dupes_received;
+};
+
+
+
+#endif /* MILIGHTRADIO_H_ */