ardupilot/libraries/AP_HAL_ChibiOS/GPIO.h

71 lines
2.1 KiB
C++

/*
* This file is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Code by Andrew Tridgell and Siddharth Bharat Purohit
*/
#pragma once
#include "AP_HAL_ChibiOS.h"
#if CONFIG_HAL_BOARD == HAL_BOARD_CHIBIOS
# define HAL_GPIO_A_LED_PIN 0
# define HAL_GPIO_B_LED_PIN 0
# define HAL_GPIO_C_LED_PIN 0
# define HAL_GPIO_LED_ON LOW
# define HAL_GPIO_LED_OFF HIGH
#if CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_CHIBIOS_SKYVIPER_F412
# define HAL_GPIO_CYRF_RESET 1
# define HAL_GPIO_CYRF_IRQ 2
#else
# define HAL_GPIO_CYRF_RESET 1
# define HAL_GPIO_CYRF_IRQ 15
#endif
#endif
class ChibiOS::GPIO : public AP_HAL::GPIO {
public:
GPIO();
void init();
void pinMode(uint8_t pin, uint8_t output);
int8_t analogPinToDigitalPin(uint8_t pin);
uint8_t read(uint8_t pin);
void write(uint8_t pin, uint8_t value);
void toggle(uint8_t pin);
/* Alternative interface: */
AP_HAL::DigitalSource* channel(uint16_t n);
/* Interrupt interface: */
bool attach_interrupt(uint8_t interrupt_num, AP_HAL::Proc p,
uint8_t mode);
/* return true if USB cable is connected */
bool usb_connected(void) override;
void set_usb_connected() { _usb_connected = true; }
private:
bool _usb_connected = false;
};
class ChibiOS::DigitalSource : public AP_HAL::DigitalSource {
public:
DigitalSource(uint8_t v);
void mode(uint8_t output);
uint8_t read();
void write(uint8_t value);
void toggle();
private:
uint8_t _v;
};