circuitpython/shared-bindings/i2cperipheral/I2CPeripheral.h

61 lines
2.8 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Noralf Trønnes
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_BUSIO_I2C_SLAVE_H
#define MICROPY_INCLUDED_SHARED_BINDINGS_BUSIO_I2C_SLAVE_H
#include "py/obj.h"
#include "common-hal/microcontroller/Pin.h"
#include "common-hal/i2cperipheral/I2CPeripheral.h"
typedef struct {
mp_obj_base_t base;
i2cperipheral_i2c_peripheral_obj_t *peripheral;
uint16_t address;
bool is_read;
bool is_restart;
} i2cperipheral_i2c_peripheral_request_obj_t;
extern const mp_obj_type_t i2cperipheral_i2c_peripheral_request_type;
extern const mp_obj_type_t i2cperipheral_i2c_peripheral_type;
extern void common_hal_i2cperipheral_i2c_peripheral_construct(i2cperipheral_i2c_peripheral_obj_t *self,
const mcu_pin_obj_t* scl, const mcu_pin_obj_t* sda,
uint8_t *addresses, unsigned int num_addresses, bool smbus);
extern void common_hal_i2cperipheral_i2c_peripheral_deinit(i2cperipheral_i2c_peripheral_obj_t *self);
extern bool common_hal_i2cperipheral_i2c_peripheral_deinited(i2cperipheral_i2c_peripheral_obj_t *self);
extern int common_hal_i2cperipheral_i2c_peripheral_is_addressed(i2cperipheral_i2c_peripheral_obj_t *self,
uint8_t *address, bool *is_read, bool *is_restart);
extern int common_hal_i2cperipheral_i2c_peripheral_read_byte(i2cperipheral_i2c_peripheral_obj_t *self, uint8_t *data);
extern int common_hal_i2cperipheral_i2c_peripheral_write_byte(i2cperipheral_i2c_peripheral_obj_t *self, uint8_t data);
extern void common_hal_i2cperipheral_i2c_peripheral_ack(i2cperipheral_i2c_peripheral_obj_t *self, bool ack);
extern void common_hal_i2cperipheral_i2c_peripheral_close(i2cperipheral_i2c_peripheral_obj_t *self);
#endif // MICROPY_INCLUDED_SHARED_BINDINGS_BUSIO_I2C_SLAVE_H