r g / SX1276GenericLib-us915

us915 ch 9 20dbm

Dependents:   DISCO-L072CZ-LRWAN1_LoRa_PingPong

Fork of SX1276GenericLib by Helmut Tschemernjak

sx1276/arduino-mbed.h@66:fbb2da34bd9a, 2017-07-12 (annotated)

Committer:
Helmut Tschemernjak
Date:
Wed Jul 12 15:11:30 2017 +0200
Revision:
66:fbb2da34bd9a
Parent:
65:b2d98328fcba
Child:
67:d3afd803f40d
Added support for ticker timer

Made the timer functions more generic

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Helmut Tschemernjak 40:0165543c0986 1 /*
Helmut Tschemernjak 65:b2d98328fcba 2 * The file is Licensed under the Apache License, Version 2.0
Helmut Tschemernjak 46:e78a1d0391ac 3 * (c) 2017 Helmut Tschemernjak
Helmut Tschemernjak 46:e78a1d0391ac 4 * 30826 Garbsen (Hannover) Germany
Helmut Tschemernjak 46:e78a1d0391ac 5 */
Helmut Tschemernjak 40:0165543c0986 6
Helmut Tschemernjak 65:b2d98328fcba 7
Helmut Tschemernjak 65:b2d98328fcba 8
Helmut Tschemernjak 65:b2d98328fcba 9 #ifdef ARDUINO
Helmut Tschemernjak 65:b2d98328fcba 10 #ifndef __ARDUINO_MBED_H__
Helmut Tschemernjak 65:b2d98328fcba 11 #define __ARDUINO_MBED_H__
Helmut Tschemernjak 40:0165543c0986 12
Helmut Tschemernjak 65:b2d98328fcba 13 #include <arduino.h>
Helmut Tschemernjak 65:b2d98328fcba 14 #include "Callback-A.h"
Helmut Tschemernjak 65:b2d98328fcba 15 #include <SPI.h>
Helmut Tschemernjak 65:b2d98328fcba 16 #undef min
Helmut Tschemernjak 65:b2d98328fcba 17 #undef max
Helmut Tschemernjak 65:b2d98328fcba 18 #undef map
Helmut Tschemernjak 40:0165543c0986 19
Helmut Tschemernjak 40:0165543c0986 20
Helmut Tschemernjak 65:b2d98328fcba 21 typedef int PinName;
Helmut Tschemernjak 65:b2d98328fcba 22 #define NC -1
Helmut Tschemernjak 65:b2d98328fcba 23 #define wait_ms delay
Helmut Tschemernjak 65:b2d98328fcba 24
Helmut Tschemernjak 65:b2d98328fcba 25 class DigitalInOut {
Helmut Tschemernjak 65:b2d98328fcba 26 public:
Helmut Tschemernjak 65:b2d98328fcba 27 DigitalInOut(PinName pin) {
Helmut Tschemernjak 65:b2d98328fcba 28 _gpioPin = pin;
Helmut Tschemernjak 65:b2d98328fcba 29 }
Helmut Tschemernjak 65:b2d98328fcba 30 void write(int value) {
Helmut Tschemernjak 65:b2d98328fcba 31 digitalWrite(_gpioPin, value == 0 ? LOW : HIGH);
Helmut Tschemernjak 65:b2d98328fcba 32 };
Helmut Tschemernjak 46:e78a1d0391ac 33
Helmut Tschemernjak 65:b2d98328fcba 34 void output() {
Helmut Tschemernjak 65:b2d98328fcba 35 pinMode(_gpioPin, OUTPUT);
Helmut Tschemernjak 65:b2d98328fcba 36 };
Helmut Tschemernjak 46:e78a1d0391ac 37
Helmut Tschemernjak 65:b2d98328fcba 38 void input() {
Helmut Tschemernjak 65:b2d98328fcba 39 pinMode(_gpioPin, INPUT);
Helmut Tschemernjak 65:b2d98328fcba 40 };
Helmut Tschemernjak 46:e78a1d0391ac 41
Helmut Tschemernjak 65:b2d98328fcba 42 int read() {
Helmut Tschemernjak 65:b2d98328fcba 43 if (digitalRead(_gpioPin) == HIGH)
Helmut Tschemernjak 65:b2d98328fcba 44 return 1;
Helmut Tschemernjak 65:b2d98328fcba 45 else
Helmut Tschemernjak 65:b2d98328fcba 46 return 0;
Helmut Tschemernjak 65:b2d98328fcba 47 };
Helmut Tschemernjak 65:b2d98328fcba 48 operator int() {
Helmut Tschemernjak 65:b2d98328fcba 49 return read();
Helmut Tschemernjak 65:b2d98328fcba 50 };
Helmut Tschemernjak 46:e78a1d0391ac 51
Helmut Tschemernjak 65:b2d98328fcba 52 DigitalInOut& operator= (int value) {
Helmut Tschemernjak 65:b2d98328fcba 53 // Underlying write is thread safe
Helmut Tschemernjak 65:b2d98328fcba 54 write(value);
Helmut Tschemernjak 65:b2d98328fcba 55 return *this;
Helmut Tschemernjak 65:b2d98328fcba 56 }
Helmut Tschemernjak 46:e78a1d0391ac 57
Helmut Tschemernjak 65:b2d98328fcba 58 DigitalInOut& operator= (DigitalInOut& rhs) {
Helmut Tschemernjak 65:b2d98328fcba 59 write(rhs.read());
Helmut Tschemernjak 65:b2d98328fcba 60 return *this;
Helmut Tschemernjak 65:b2d98328fcba 61 }
Helmut Tschemernjak 46:e78a1d0391ac 62
Helmut Tschemernjak 46:e78a1d0391ac 63 private:
Helmut Tschemernjak 65:b2d98328fcba 64 int _gpioPin;
Helmut Tschemernjak 65:b2d98328fcba 65 };
Helmut Tschemernjak 65:b2d98328fcba 66
Helmut Tschemernjak 65:b2d98328fcba 67 class DigitalOut : public DigitalInOut {
Helmut Tschemernjak 65:b2d98328fcba 68 public:
Helmut Tschemernjak 46:e78a1d0391ac 69
Helmut Tschemernjak 65:b2d98328fcba 70 DigitalOut(PinName pin) : DigitalInOut(pin) {
Helmut Tschemernjak 65:b2d98328fcba 71 output();
Helmut Tschemernjak 65:b2d98328fcba 72 }
Helmut Tschemernjak 46:e78a1d0391ac 73
Helmut Tschemernjak 65:b2d98328fcba 74 DigitalOut& operator= (int value) {
Helmut Tschemernjak 65:b2d98328fcba 75 write(value);
Helmut Tschemernjak 65:b2d98328fcba 76 return *this;
Helmut Tschemernjak 65:b2d98328fcba 77 }
Helmut Tschemernjak 46:e78a1d0391ac 78
Helmut Tschemernjak 65:b2d98328fcba 79 };
Helmut Tschemernjak 65:b2d98328fcba 80
Helmut Tschemernjak 65:b2d98328fcba 81 class DigitalIn : public DigitalInOut {
Helmut Tschemernjak 65:b2d98328fcba 82 public:
Helmut Tschemernjak 46:e78a1d0391ac 83
Helmut Tschemernjak 65:b2d98328fcba 84 DigitalIn(PinName pin) : DigitalInOut(pin) {
Helmut Tschemernjak 65:b2d98328fcba 85 input();
Helmut Tschemernjak 65:b2d98328fcba 86 }
Helmut Tschemernjak 65:b2d98328fcba 87 };
Helmut Tschemernjak 65:b2d98328fcba 88
Helmut Tschemernjak 65:b2d98328fcba 89 class XSPI {
Helmut Tschemernjak 65:b2d98328fcba 90 public:
Helmut Tschemernjak 65:b2d98328fcba 91 XSPI(PinName mosi, PinName miso, PinName sclk) {
Helmut Tschemernjak 65:b2d98328fcba 92 _mosi = mosi;
Helmut Tschemernjak 65:b2d98328fcba 93 _miso = miso;
Helmut Tschemernjak 65:b2d98328fcba 94 _sclk = sclk;
Helmut Tschemernjak 65:b2d98328fcba 95 if (mosi == PIN_SPI_MOSI && miso == PIN_SPI_MISO && sclk == PIN_SPI_SCK)
Helmut Tschemernjak 65:b2d98328fcba 96 _spi = &SPI;
Helmut Tschemernjak 65:b2d98328fcba 97 #if SPI_INTERFACES_COUNT > 1
Helmut Tschemernjak 65:b2d98328fcba 98 else if (mosi == PIN_SPI1_MOSI && miso == PIN_SPI1_MISO && sclk == PIN_SPI1_SCK)
Helmut Tschemernjak 65:b2d98328fcba 99 _spi = &SPI1;
Helmut Tschemernjak 65:b2d98328fcba 100 #endif
Helmut Tschemernjak 65:b2d98328fcba 101 #if SPI_INTERFACES_COUNT > 2
Helmut Tschemernjak 65:b2d98328fcba 102 else if (mosi == PIN_SPI2_MOSI && miso == PIN_SPI2_MISO && sclk == PIN_SPI2_SCK)
Helmut Tschemernjak 65:b2d98328fcba 103 _spi = &SPI2;
Helmut Tschemernjak 65:b2d98328fcba 104 #endif
Helmut Tschemernjak 65:b2d98328fcba 105 else {
Helmut Tschemernjak 65:b2d98328fcba 106 _spi = NULL;
Helmut Tschemernjak 65:b2d98328fcba 107 return;
Helmut Tschemernjak 65:b2d98328fcba 108 }
Helmut Tschemernjak 65:b2d98328fcba 109 _hz = 1000000;
Helmut Tschemernjak 65:b2d98328fcba 110 _mode = SPI_MODE0;
Helmut Tschemernjak 65:b2d98328fcba 111 _spi->beginTransaction(SPISettings(_hz, MSBFIRST, _mode));
Helmut Tschemernjak 65:b2d98328fcba 112 _spi->endTransaction();
Helmut Tschemernjak 65:b2d98328fcba 113 }
Helmut Tschemernjak 46:e78a1d0391ac 114
Helmut Tschemernjak 65:b2d98328fcba 115 void format(int bits, int mode = 0) {
Helmut Tschemernjak 65:b2d98328fcba 116 if (mode == 0)
Helmut Tschemernjak 65:b2d98328fcba 117 _mode = SPI_MODE0;
Helmut Tschemernjak 65:b2d98328fcba 118 else if (mode == 1)
Helmut Tschemernjak 65:b2d98328fcba 119 _mode = SPI_MODE1;
Helmut Tschemernjak 65:b2d98328fcba 120 else if (mode == 2)
Helmut Tschemernjak 65:b2d98328fcba 121 _mode = SPI_MODE2;
Helmut Tschemernjak 65:b2d98328fcba 122 else if (mode == 3)
Helmut Tschemernjak 65:b2d98328fcba 123 _mode = SPI_MODE3;
Helmut Tschemernjak 65:b2d98328fcba 124 else
Helmut Tschemernjak 65:b2d98328fcba 125 _mode = SPI_MODE0;
Helmut Tschemernjak 65:b2d98328fcba 126 _bits = bits;
Helmut Tschemernjak 65:b2d98328fcba 127 _spi->beginTransaction(SPISettings(_hz, MSBFIRST, _mode));
Helmut Tschemernjak 65:b2d98328fcba 128 _spi->endTransaction();
Helmut Tschemernjak 65:b2d98328fcba 129 }
Helmut Tschemernjak 65:b2d98328fcba 130 void frequency(int hz) {
Helmut Tschemernjak 65:b2d98328fcba 131 _hz = hz;
Helmut Tschemernjak 65:b2d98328fcba 132 _spi->beginTransaction(SPISettings(_hz, MSBFIRST, _mode));
Helmut Tschemernjak 65:b2d98328fcba 133 _spi->endTransaction();
Helmut Tschemernjak 65:b2d98328fcba 134 }
Helmut Tschemernjak 46:e78a1d0391ac 135
Helmut Tschemernjak 65:b2d98328fcba 136 int write(int value) {
Helmut Tschemernjak 65:b2d98328fcba 137 _spi->beginTransaction(SPISettings(_hz, MSBFIRST, _mode));
Helmut Tschemernjak 65:b2d98328fcba 138 int ret = _spi->transfer(value);
Helmut Tschemernjak 65:b2d98328fcba 139 _spi->endTransaction();
Helmut Tschemernjak 65:b2d98328fcba 140 return ret;
Helmut Tschemernjak 65:b2d98328fcba 141 }
Helmut Tschemernjak 61:08b50780eb91 142
Helmut Tschemernjak 65:b2d98328fcba 143 private:
Helmut Tschemernjak 65:b2d98328fcba 144 SPIClass *_spi;
Helmut Tschemernjak 65:b2d98328fcba 145 int _hz;
Helmut Tschemernjak 65:b2d98328fcba 146 int _mode;
Helmut Tschemernjak 65:b2d98328fcba 147 int _bits;
Helmut Tschemernjak 65:b2d98328fcba 148 int _mosi, _miso, _sclk;
Helmut Tschemernjak 46:e78a1d0391ac 149 };
Helmut Tschemernjak 40:0165543c0986 150
Helmut Tschemernjak 65:b2d98328fcba 151 class InterruptIn {
Helmut Tschemernjak 65:b2d98328fcba 152 public:
Helmut Tschemernjak 65:b2d98328fcba 153 static void donothing(void) {
Helmut Tschemernjak 65:b2d98328fcba 154 }
Helmut Tschemernjak 65:b2d98328fcba 155
Helmut Tschemernjak 65:b2d98328fcba 156 InterruptIn(PinName pin) : _func() {
Helmut Tschemernjak 65:b2d98328fcba 157 _gpioPin = pin;
Helmut Tschemernjak 65:b2d98328fcba 158 _func = InterruptIn::donothing;
Helmut Tschemernjak 65:b2d98328fcba 159 pinMode(_gpioPin, INPUT);
Helmut Tschemernjak 65:b2d98328fcba 160 }
Helmut Tschemernjak 65:b2d98328fcba 161
Helmut Tschemernjak 65:b2d98328fcba 162 ~InterruptIn() {
Helmut Tschemernjak 65:b2d98328fcba 163 detachInterrupt(digitalPinToInterrupt(_gpioPin));
Helmut Tschemernjak 65:b2d98328fcba 164 };
Helmut Tschemernjak 65:b2d98328fcba 165
Helmut Tschemernjak 65:b2d98328fcba 166 static void _irq_handler(InterruptIn *id) {
Helmut Tschemernjak 65:b2d98328fcba 167 if (id)
Helmut Tschemernjak 65:b2d98328fcba 168 id->_func();
Helmut Tschemernjak 65:b2d98328fcba 169 }
Helmut Tschemernjak 65:b2d98328fcba 170
Helmut Tschemernjak 65:b2d98328fcba 171 void rise(Callback<void()> func);
Helmut Tschemernjak 65:b2d98328fcba 172
Helmut Tschemernjak 65:b2d98328fcba 173 void fall(Callback<void()> func);
Helmut Tschemernjak 65:b2d98328fcba 174
Helmut Tschemernjak 65:b2d98328fcba 175 private:
Helmut Tschemernjak 65:b2d98328fcba 176 int _gpioPin;
Helmut Tschemernjak 65:b2d98328fcba 177 Callback<void()> _func;
Helmut Tschemernjak 65:b2d98328fcba 178 };
Helmut Tschemernjak 65:b2d98328fcba 179
Helmut Tschemernjak 66:fbb2da34bd9a 180 extern uint32_t us_getTicker(void);
Helmut Tschemernjak 66:fbb2da34bd9a 181
Helmut Tschemernjak 65:b2d98328fcba 182 class Timer {
Helmut Tschemernjak 65:b2d98328fcba 183 public:
Helmut Tschemernjak 65:b2d98328fcba 184 void start(void) {
Helmut Tschemernjak 65:b2d98328fcba 185 _time = micros();
Helmut Tschemernjak 65:b2d98328fcba 186 }
Helmut Tschemernjak 65:b2d98328fcba 187 int read_ms(void) {
Helmut Tschemernjak 65:b2d98328fcba 188 return (micros() - _time) / 1000;
Helmut Tschemernjak 65:b2d98328fcba 189 }
Helmut Tschemernjak 65:b2d98328fcba 190 int read_us(void) {
Helmut Tschemernjak 65:b2d98328fcba 191 return micros() - _time;
Helmut Tschemernjak 65:b2d98328fcba 192 }
Helmut Tschemernjak 65:b2d98328fcba 193 private:
Helmut Tschemernjak 65:b2d98328fcba 194 uint32_t _time;
Helmut Tschemernjak 65:b2d98328fcba 195 };
Helmut Tschemernjak 65:b2d98328fcba 196
Helmut Tschemernjak 65:b2d98328fcba 197
Helmut Tschemernjak 65:b2d98328fcba 198 class Timeout {
Helmut Tschemernjak 65:b2d98328fcba 199 public:
Helmut Tschemernjak 65:b2d98328fcba 200 Timeout() : _func() {
Helmut Tschemernjak 65:b2d98328fcba 201 }
Helmut Tschemernjak 65:b2d98328fcba 202 ~Timeout() {
Helmut Tschemernjak 65:b2d98328fcba 203 detach();
Helmut Tschemernjak 65:b2d98328fcba 204 }
Helmut Tschemernjak 65:b2d98328fcba 205
Helmut Tschemernjak 65:b2d98328fcba 206 void attach(Callback<void()> func, int msecs) {
Helmut Tschemernjak 65:b2d98328fcba 207 if (msecs == 0)
Helmut Tschemernjak 65:b2d98328fcba 208 return detach();
Helmut Tschemernjak 65:b2d98328fcba 209 _func = func;
Helmut Tschemernjak 65:b2d98328fcba 210 _timeout = micros() + (uint32_t)msecs * 1000;
Helmut Tschemernjak 65:b2d98328fcba 211 insert();
Helmut Tschemernjak 65:b2d98328fcba 212 restart();
Helmut Tschemernjak 65:b2d98328fcba 213 }
Helmut Tschemernjak 65:b2d98328fcba 214
Helmut Tschemernjak 65:b2d98328fcba 215 void attach_us(Callback<void()> func, long usecs) {
Helmut Tschemernjak 65:b2d98328fcba 216 if (usecs == 0)
Helmut Tschemernjak 65:b2d98328fcba 217 return detach();
Helmut Tschemernjak 65:b2d98328fcba 218 _func = func;
Helmut Tschemernjak 65:b2d98328fcba 219 _timeout = micros() + usecs;
Helmut Tschemernjak 65:b2d98328fcba 220 insert();
Helmut Tschemernjak 65:b2d98328fcba 221 restart();
Helmut Tschemernjak 65:b2d98328fcba 222 }
Helmut Tschemernjak 65:b2d98328fcba 223
Helmut Tschemernjak 65:b2d98328fcba 224 void detach() {
Helmut Tschemernjak 65:b2d98328fcba 225 _func = NULL;
Helmut Tschemernjak 65:b2d98328fcba 226 remove();
Helmut Tschemernjak 65:b2d98328fcba 227 restart();
Helmut Tschemernjak 65:b2d98328fcba 228 }
Helmut Tschemernjak 65:b2d98328fcba 229
Helmut Tschemernjak 65:b2d98328fcba 230 static void _irq_handler(Timeout *tp) {
Helmut Tschemernjak 65:b2d98328fcba 231 if (tp) {
Helmut Tschemernjak 65:b2d98328fcba 232 tp->_func();
Helmut Tschemernjak 65:b2d98328fcba 233 }
Helmut Tschemernjak 65:b2d98328fcba 234 }
Helmut Tschemernjak 65:b2d98328fcba 235
Helmut Tschemernjak 65:b2d98328fcba 236 static void restart(uint32_t usecs = 0);
Helmut Tschemernjak 65:b2d98328fcba 237 protected:
Helmut Tschemernjak 65:b2d98328fcba 238 void insert(void);
Helmut Tschemernjak 65:b2d98328fcba 239 void remove(void);
Helmut Tschemernjak 65:b2d98328fcba 240 private:
Helmut Tschemernjak 65:b2d98328fcba 241 Callback<void()> _func;
Helmut Tschemernjak 66:fbb2da34bd9a 242 uint32_t _timeout; // in us this lasts for 49 days.
Helmut Tschemernjak 65:b2d98328fcba 243 };
Helmut Tschemernjak 65:b2d98328fcba 244
Helmut Tschemernjak 65:b2d98328fcba 245 #endif // __ARDUINO_MBED_H__
Helmut Tschemernjak 65:b2d98328fcba 246
Helmut Tschemernjak 40:0165543c0986 247 #endif // ARDUINO