ST-DEVKIT-LRWAN
Dependents: DISCO-L072CZ-LRWAN1-base
Fork of SX1276GenericLib by
Diff: sx1276/arduino-mbed.h
- Revision:
- 65:b2d98328fcba
- Parent:
- 61:08b50780eb91
- Child:
- 66:fbb2da34bd9a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sx1276/arduino-mbed.h Tue Jul 11 13:32:34 2017 +0200 @@ -0,0 +1,245 @@ +/* + * The file is Licensed under the Apache License, Version 2.0 + * (c) 2017 Helmut Tschemernjak + * 30826 Garbsen (Hannover) Germany + */ + + + +#ifdef ARDUINO +#ifndef __ARDUINO_MBED_H__ +#define __ARDUINO_MBED_H__ + +#include <arduino.h> +#include "Callback-A.h" +#include <SPI.h> +#undef min +#undef max +#undef map + + +typedef int PinName; +#define NC -1 +#define wait_ms delay + +class DigitalInOut { +public: + DigitalInOut(PinName pin) { + _gpioPin = pin; + } + void write(int value) { + digitalWrite(_gpioPin, value == 0 ? LOW : HIGH); + }; + + void output() { + pinMode(_gpioPin, OUTPUT); + }; + + void input() { + pinMode(_gpioPin, INPUT); + }; + + int read() { + if (digitalRead(_gpioPin) == HIGH) + return 1; + else + return 0; + }; + operator int() { + return read(); + }; + + DigitalInOut& operator= (int value) { + // Underlying write is thread safe + write(value); + return *this; + } + + DigitalInOut& operator= (DigitalInOut& rhs) { + write(rhs.read()); + return *this; + } + +private: + int _gpioPin; +}; + +class DigitalOut : public DigitalInOut { +public: + + DigitalOut(PinName pin) : DigitalInOut(pin) { + output(); + } + + DigitalOut& operator= (int value) { + write(value); + return *this; + } + +}; + +class DigitalIn : public DigitalInOut { +public: + + DigitalIn(PinName pin) : DigitalInOut(pin) { + input(); + } +}; + +class XSPI { +public: + XSPI(PinName mosi, PinName miso, PinName sclk) { + _mosi = mosi; + _miso = miso; + _sclk = sclk; + if (mosi == PIN_SPI_MOSI && miso == PIN_SPI_MISO && sclk == PIN_SPI_SCK) + _spi = &SPI; +#if SPI_INTERFACES_COUNT > 1 + else if (mosi == PIN_SPI1_MOSI && miso == PIN_SPI1_MISO && sclk == PIN_SPI1_SCK) + _spi = &SPI1; +#endif +#if SPI_INTERFACES_COUNT > 2 + else if (mosi == PIN_SPI2_MOSI && miso == PIN_SPI2_MISO && sclk == PIN_SPI2_SCK) + _spi = &SPI2; +#endif + else { + _spi = NULL; + return; + } + _hz = 1000000; + _mode = SPI_MODE0; + _spi->beginTransaction(SPISettings(_hz, MSBFIRST, _mode)); + _spi->endTransaction(); + } + + void format(int bits, int mode = 0) { + if (mode == 0) + _mode = SPI_MODE0; + else if (mode == 1) + _mode = SPI_MODE1; + else if (mode == 2) + _mode = SPI_MODE2; + else if (mode == 3) + _mode = SPI_MODE3; + else + _mode = SPI_MODE0; + _bits = bits; + _spi->beginTransaction(SPISettings(_hz, MSBFIRST, _mode)); + _spi->endTransaction(); + } + void frequency(int hz) { + _hz = hz; + _spi->beginTransaction(SPISettings(_hz, MSBFIRST, _mode)); + _spi->endTransaction(); + } + + int write(int value) { + _spi->beginTransaction(SPISettings(_hz, MSBFIRST, _mode)); + int ret = _spi->transfer(value); + _spi->endTransaction(); + return ret; + } + +private: + SPIClass *_spi; + int _hz; + int _mode; + int _bits; + int _mosi, _miso, _sclk; +}; + +class InterruptIn { +public: + static void donothing(void) { + } + + InterruptIn(PinName pin) : _func() { + _gpioPin = pin; + _func = InterruptIn::donothing; + pinMode(_gpioPin, INPUT); + } + + ~InterruptIn() { + detachInterrupt(digitalPinToInterrupt(_gpioPin)); + }; + + static void _irq_handler(InterruptIn *id) { + if (id) + id->_func(); + } + + void rise(Callback<void()> func); + + void fall(Callback<void()> func); + +private: + int _gpioPin; + Callback<void()> _func; +}; + +class Timer { +public: + void start(void) { + _time = micros(); + } + int read_ms(void) { + return (micros() - _time) / 1000; + } + int read_us(void) { + return micros() - _time; + } +private: + uint32_t _time; +}; + + +class Timeout { +public: + Timeout() : _func() { + } + ~Timeout() { + detach(); + } + + void attach(Callback<void()> func, int msecs) { + if (msecs == 0) + return detach(); + _func = func; + _timeout = micros() + (uint32_t)msecs * 1000; + insert(); + restart(); + } + + void attach_us(Callback<void()> func, long usecs) { + if (usecs == 0) + return detach(); + _func = func; + _timeout = micros() + usecs; + insert(); + restart(); + } + + void detach() { + _func = NULL; + remove(); + restart(); + } + + static void _irq_handler(Timeout *tp) { + if (tp) { + tp->_func(); + } + } + + static void restart(uint32_t usecs = 0); +protected: + void insert(void); + void remove(void); +private: + Callback<void()> _func; + uint32_t _timeout; // in us this lasts form 49 days. +}; + +#endif // __ARDUINO_MBED_H__ + +#endif // ARDUINO