39 lines
1.6 KiB
C
39 lines
1.6 KiB
C
// This file is part of the CircuitPython project: https://circuitpython.org
|
|
//
|
|
// SPDX-FileCopyrightText: Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
|
|
//
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
#pragma once
|
|
|
|
#include "py/obj.h"
|
|
|
|
#include "common-hal/microcontroller/Pin.h"
|
|
#include "shared-module/bitbangio/SPI.h"
|
|
|
|
// Type object used in Python. Should be shared between ports.
|
|
extern const mp_obj_type_t bitbangio_spi_type;
|
|
|
|
// Construct an underlying SPI object.
|
|
extern void shared_module_bitbangio_spi_construct(bitbangio_spi_obj_t *self,
|
|
const mcu_pin_obj_t *clock, const mcu_pin_obj_t *mosi,
|
|
const mcu_pin_obj_t *miso);
|
|
|
|
extern void shared_module_bitbangio_spi_deinit(bitbangio_spi_obj_t *self);
|
|
extern bool shared_module_bitbangio_spi_deinited(bitbangio_spi_obj_t *self);
|
|
|
|
extern void shared_module_bitbangio_spi_configure(bitbangio_spi_obj_t *self,
|
|
uint32_t baudrate, uint8_t polarity, uint8_t phase, uint8_t bits);
|
|
|
|
extern bool shared_module_bitbangio_spi_try_lock(bitbangio_spi_obj_t *self);
|
|
extern bool shared_module_bitbangio_spi_has_lock(bitbangio_spi_obj_t *self);
|
|
extern void shared_module_bitbangio_spi_unlock(bitbangio_spi_obj_t *self);
|
|
|
|
// Writes out the given data.
|
|
extern bool shared_module_bitbangio_spi_write(bitbangio_spi_obj_t *self, const uint8_t *data, size_t len);
|
|
|
|
// Reads in len bytes while outputting zeroes.
|
|
extern bool shared_module_bitbangio_spi_read(bitbangio_spi_obj_t *self, uint8_t *data, size_t len, uint8_t write_value);
|
|
|
|
// Transfer out len bytes while reading len bytes
|
|
extern bool shared_module_bitbangio_spi_transfer(bitbangio_spi_obj_t *self, const uint8_t *dout, uint8_t *din, size_t len);
|