85a79104b6
Update the ArduinoAPI with new macros/inlines that allow accessing values that are not naturally aligned (i.e. an int at address 0x0001). Fixes #79
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
/*
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* Arduino header for the Raspberry Pi Pico RP2040
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*
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* Copyright (c) 2021 Earle F. Philhower, III <earlephilhower@yahoo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef Arduino_h
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#define Arduino_h
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include "api/ArduinoAPI.h"
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#include <pins_arduino.h>
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// Required for the port*Register macros
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#include "hardware/gpio.h"
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#include "debug_internal.h"
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#ifdef __cplusplus
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extern "C"{
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#endif // __cplusplus
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// Disable/reenable all interrupts. Safely handles nested disables
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void interrupts();
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void noInterrupts();
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// GPIO change/value interrupts
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void attachInterrupt(pin_size_t pin, voidFuncPtr callback, PinStatus mode);
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void detachInterrupt(pin_size_t pin);
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// AVR compatibilty macros...naughty and accesses the HW directly
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#define digitalPinToPort(pin) (0)
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#define digitalPinToBitMask(pin) (1UL << (pin))
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#define digitalPinToTimer(pin) (0)
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#define digitalPinToInterrupt(pin) (pin)
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#define portOutputRegister(port) ((volatile uint32_t*) sio_hw->gpio_out)
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#define portInputRegister(port) ((volatile uint32_t*) sio_hw->gpio_in)
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#define portModeRegister(port) ((volatile uint32_t*) sio_hw->gpio_oe)
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// IO config
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void pinMode(pin_size_t pinNumber, PinMode pinMode);
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// SIO (GPIO)
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void digitalWrite(pin_size_t pinNumber, PinStatus status);
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PinStatus digitalRead(pin_size_t pinNumber);
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// ADC
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int analogRead(pin_size_t pinNumber);
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float analogReadTemp(); // Returns core temp in Centigrade
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// PWM
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void analogWrite(pin_size_t pinNumber, int value);
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// Timing
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void delay(unsigned long);
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void delayMicroseconds(unsigned int us);
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unsigned long millis();
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#ifdef __cplusplus
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#include "SerialUSB.h"
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#include "SerialUART.h"
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#include "RP2040.h"
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#include "Bootsel.h"
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// Template which will evaluate at *compile time* to a single 32b number
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// with the specified bits set.
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template <size_t N>
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constexpr uint32_t __bitset(const int (&a)[N], size_t i = 0U) {
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return i < N ? (1L << a[i]) | __bitset(a, i+1) : 0;
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}
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#endif
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// ARM toolchain doesn't provide itoa etc, provide them
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#include "api/itoa.h"
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#endif // Arduino_h
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