Einstein Filho / Mbed OS MANGUEBAJA2019_REAR2

Mangue Baja team's code to rear ECU

RFM69/RFM69.h@0:80950b84a6c4, 2019-07-24 (annotated)

Committer:
einsteingustavo
Date:
Wed Jul 24 20:04:55 2019 +0000
Revision:
0:80950b84a6c4
Mangue Baja team's code to rear ECU

Who changed what in which revision?

UserRevisionLine numberNew contents of line
einsteingustavo 0:80950b84a6c4 1 // **********************************************************************************
einsteingustavo 0:80950b84a6c4 2 // Driver definition for HopeRF RFM69W/RFM69HW/RFM69CW/RFM69HCW, Semtech SX1231/1231H
einsteingustavo 0:80950b84a6c4 3 // **********************************************************************************
einsteingustavo 0:80950b84a6c4 4 // Copyright Felix Rusu (2014), felix@lowpowerlab.com
einsteingustavo 0:80950b84a6c4 5 // http://lowpowerlab.com/
einsteingustavo 0:80950b84a6c4 6 // **********************************************************************************
einsteingustavo 0:80950b84a6c4 7 // License
einsteingustavo 0:80950b84a6c4 8 // **********************************************************************************
einsteingustavo 0:80950b84a6c4 9 // This program is free software; you can redistribute it
einsteingustavo 0:80950b84a6c4 10 // and/or modify it under the terms of the GNU General
einsteingustavo 0:80950b84a6c4 11 // Public License as published by the Free Software
einsteingustavo 0:80950b84a6c4 12 // Foundation; either version 3 of the License, or
einsteingustavo 0:80950b84a6c4 13 // (at your option) any later version.
einsteingustavo 0:80950b84a6c4 14 //
einsteingustavo 0:80950b84a6c4 15 // This program is distributed in the hope that it will
einsteingustavo 0:80950b84a6c4 16 // be useful, but WITHOUT ANY WARRANTY; without even the
einsteingustavo 0:80950b84a6c4 17 // implied warranty of MERCHANTABILITY or FITNESS FOR A
einsteingustavo 0:80950b84a6c4 18 // PARTICULAR PURPOSE. See the GNU General Public
einsteingustavo 0:80950b84a6c4 19 // License for more details.
einsteingustavo 0:80950b84a6c4 20 //
einsteingustavo 0:80950b84a6c4 21 // You should have received a copy of the GNU General
einsteingustavo 0:80950b84a6c4 22 // Public License along with this program.
einsteingustavo 0:80950b84a6c4 23 // If not, see <http://www.gnu.org/licenses/>.
einsteingustavo 0:80950b84a6c4 24 //
einsteingustavo 0:80950b84a6c4 25 // Licence can be viewed at
einsteingustavo 0:80950b84a6c4 26 // http://www.gnu.org/licenses/gpl-3.0.txt
einsteingustavo 0:80950b84a6c4 27 //
einsteingustavo 0:80950b84a6c4 28 // Please maintain this license information along with authorship
einsteingustavo 0:80950b84a6c4 29 // and copyright notices in any redistribution of this code
einsteingustavo 0:80950b84a6c4 30 // **********************************************************************************
einsteingustavo 0:80950b84a6c4 31 #ifndef RFM69_h
einsteingustavo 0:80950b84a6c4 32 #define RFM69_h
einsteingustavo 0:80950b84a6c4 33 #include <mbed.h> // assumes Arduino IDE v1.0 or greater
einsteingustavo 0:80950b84a6c4 34
einsteingustavo 0:80950b84a6c4 35 #define RF69_MAX_DATA_LEN 61 // to take advantage of the built in AES/CRC we want to limit the frame size to the internal FIFO size (66 bytes - 3 bytes overhead - 2 bytes crc)
einsteingustavo 0:80950b84a6c4 36 //#define RF69_SPI_CS SS // SS is the SPI slave select pin, for instance D10 on ATmega328
einsteingustavo 0:80950b84a6c4 37
einsteingustavo 0:80950b84a6c4 38 #define CSMA_LIMIT -90 // upper RX signal sensitivity threshold in dBm for carrier sense access
einsteingustavo 0:80950b84a6c4 39 #define RF69_MODE_SLEEP 0 // XTAL OFF
einsteingustavo 0:80950b84a6c4 40 #define RF69_MODE_STANDBY 1 // XTAL ON
einsteingustavo 0:80950b84a6c4 41 #define RF69_MODE_SYNTH 2 // PLL ON
einsteingustavo 0:80950b84a6c4 42 #define RF69_MODE_RX 3 // RX MODE
einsteingustavo 0:80950b84a6c4 43 #define RF69_MODE_TX 4 // TX MODE
einsteingustavo 0:80950b84a6c4 44
einsteingustavo 0:80950b84a6c4 45 // available frequency bands
einsteingustavo 0:80950b84a6c4 46 #define RF69_315MHZ 31 // non trivial values to avoid misconfiguration
einsteingustavo 0:80950b84a6c4 47 #define RF69_433MHZ 43
einsteingustavo 0:80950b84a6c4 48 #define RF69_868MHZ 86
einsteingustavo 0:80950b84a6c4 49 #define RF69_915MHZ 91
einsteingustavo 0:80950b84a6c4 50
einsteingustavo 0:80950b84a6c4 51 #define null 0
einsteingustavo 0:80950b84a6c4 52 #define COURSE_TEMP_COEF -90 // puts the temperature reading in the ballpark, user can fine tune the returned value
einsteingustavo 0:80950b84a6c4 53 #define RF69_BROADCAST_ADDR 255
einsteingustavo 0:80950b84a6c4 54 #define RF69_CSMA_LIMIT_MS 200
einsteingustavo 0:80950b84a6c4 55 #define RF69_TX_LIMIT_MS 200
einsteingustavo 0:80950b84a6c4 56 #define RF69_FSTEP 61.03515625 // == FXOSC / 2^19 = 32MHz / 2^19 (p13 in datasheet)
einsteingustavo 0:80950b84a6c4 57
einsteingustavo 0:80950b84a6c4 58 class RFM69 {
einsteingustavo 0:80950b84a6c4 59 public:
einsteingustavo 0:80950b84a6c4 60 static volatile uint8_t DATA[RF69_MAX_DATA_LEN]; // recv/xmit buf, including header & crc bytes
einsteingustavo 0:80950b84a6c4 61 static volatile uint8_t DATALEN;
einsteingustavo 0:80950b84a6c4 62 static volatile uint8_t SENDERID;
einsteingustavo 0:80950b84a6c4 63 static volatile uint8_t TARGETID; // should match _address
einsteingustavo 0:80950b84a6c4 64 static volatile uint8_t PAYLOADLEN;
einsteingustavo 0:80950b84a6c4 65 static volatile uint8_t ACK_REQUESTED;
einsteingustavo 0:80950b84a6c4 66 static volatile uint8_t ACK_RECEIVED; // should be polled immediately after sending a packet with ACK request
einsteingustavo 0:80950b84a6c4 67 static volatile int16_t RSSI; // most accurate RSSI during reception (closest to the reception)
einsteingustavo 0:80950b84a6c4 68 static volatile uint8_t _mode; // should be protected?
einsteingustavo 0:80950b84a6c4 69
einsteingustavo 0:80950b84a6c4 70 RFM69(PinName mosi, PinName miso, PinName sclk, PinName slaveSelectPin, PinName interrupt);
einsteingustavo 0:80950b84a6c4 71
einsteingustavo 0:80950b84a6c4 72 bool initialize(uint8_t freqBand, uint8_t ID, uint8_t networkID=1);
einsteingustavo 0:80950b84a6c4 73 void setAddress(uint8_t addr);
einsteingustavo 0:80950b84a6c4 74 void setNetwork(uint8_t networkID);
einsteingustavo 0:80950b84a6c4 75 bool canSend();
einsteingustavo 0:80950b84a6c4 76 void send(uint8_t toAddress, const void* buffer, uint8_t bufferSize, bool requestACK=false, bool sendACK=false);
einsteingustavo 0:80950b84a6c4 77 bool sendWithRetry(uint8_t toAddress, const void* buffer, uint8_t bufferSize, uint8_t retries=2, uint8_t retryWaitTime=40); // 40ms roundtrip req for 61byte packets
einsteingustavo 0:80950b84a6c4 78 bool receiveDone();
einsteingustavo 0:80950b84a6c4 79 bool ACKReceived(uint8_t fromNodeID);
einsteingustavo 0:80950b84a6c4 80 bool ACKRequested();
einsteingustavo 0:80950b84a6c4 81 void sendACK(const void* buffer = "", uint8_t bufferSize=0);
einsteingustavo 0:80950b84a6c4 82 uint32_t getFrequency();
einsteingustavo 0:80950b84a6c4 83 void setFrequency(uint32_t freqHz);
einsteingustavo 0:80950b84a6c4 84 void encrypt(const char* key);
einsteingustavo 0:80950b84a6c4 85 // void setCS(uint8_t newSPISlaveSelect);
einsteingustavo 0:80950b84a6c4 86 int16_t readRSSI(bool forceTrigger=false);
einsteingustavo 0:80950b84a6c4 87 void promiscuous(bool onOff=true);
einsteingustavo 0:80950b84a6c4 88 void setHighPower(bool onOFF=true); // has to be called after initialize() for RFM69HW
einsteingustavo 0:80950b84a6c4 89 void setPowerLevel(uint8_t level); // reduce/increase transmit power level
einsteingustavo 0:80950b84a6c4 90 void sleep();
einsteingustavo 0:80950b84a6c4 91 uint8_t readTemperature(int8_t calFactor=0); // get CMOS temperature (8bit)
einsteingustavo 0:80950b84a6c4 92 void rcCalibration(); // calibrate the internal RC oscillator for use in wide temperature variations - see datasheet section [4.3.5. RC Timer Accuracy]
einsteingustavo 0:80950b84a6c4 93
einsteingustavo 0:80950b84a6c4 94 // allow hacking registers by making these public
einsteingustavo 0:80950b84a6c4 95 uint8_t readReg(uint8_t addr);
einsteingustavo 0:80950b84a6c4 96 void writeReg(uint8_t addr, uint8_t val);
einsteingustavo 0:80950b84a6c4 97 void readAllRegs();
einsteingustavo 0:80950b84a6c4 98
einsteingustavo 0:80950b84a6c4 99 protected:
einsteingustavo 0:80950b84a6c4 100 void virtual interruptHandler();
einsteingustavo 0:80950b84a6c4 101 void isr0();
einsteingustavo 0:80950b84a6c4 102 void sendFrame(uint8_t toAddress, const void* buffer, uint8_t size, bool requestACK=false, bool sendACK=false);
einsteingustavo 0:80950b84a6c4 103
einsteingustavo 0:80950b84a6c4 104 static RFM69* selfPointer;
einsteingustavo 0:80950b84a6c4 105 DigitalOut _slaveSelectPin;
einsteingustavo 0:80950b84a6c4 106 InterruptIn _interrupt;
einsteingustavo 0:80950b84a6c4 107 uint8_t _address;
einsteingustavo 0:80950b84a6c4 108 Timer t;
einsteingustavo 0:80950b84a6c4 109 bool _promiscuousMode;
einsteingustavo 0:80950b84a6c4 110 uint8_t _powerLevel;
einsteingustavo 0:80950b84a6c4 111 bool _isRFM69HW;
einsteingustavo 0:80950b84a6c4 112 SPI _spi;
einsteingustavo 0:80950b84a6c4 113 void receiveBegin();
einsteingustavo 0:80950b84a6c4 114 void setMode(uint8_t mode);
einsteingustavo 0:80950b84a6c4 115 void setHighPowerRegs(bool onOff);
einsteingustavo 0:80950b84a6c4 116 void select();
einsteingustavo 0:80950b84a6c4 117 void unselect();
einsteingustavo 0:80950b84a6c4 118 };
einsteingustavo 0:80950b84a6c4 119
einsteingustavo 0:80950b84a6c4 120 #endif