72 lines
3.4 KiB
C
72 lines
3.4 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H
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#define MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H
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#include "py/obj.h"
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#include "common-hal/microcontroller/Pin.h"
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#include "common-hal/rp2pio/StateMachine.h"
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// Type object used in Python. Should be shared between ports.
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extern const mp_obj_type_t rp2pio_statemachine_type;
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// Construct an underlying SPI object.
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extern void common_hal_rp2pio_statemachine_construct(rp2pio_statemachine_obj_t *self,
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const uint16_t* program, size_t program_len,
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size_t frequency,
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const uint16_t* init, size_t init_len,
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const mcu_pin_obj_t * first_out_pin, uint8_t out_pin_count,
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const mcu_pin_obj_t * first_in_pin, uint8_t in_pin_count,
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const mcu_pin_obj_t * first_set_pin, uint8_t set_pin_count,
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const mcu_pin_obj_t * first_sideset_pin, uint8_t sideset_pin_count,
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bool exclusive_pin_use,
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bool auto_pull, uint8_t pull_threshold, bool out_shift_right,
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bool auto_push, uint8_t push_threshold, bool in_shift_right);
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extern void common_hal_rp2pio_statemachine_deinit(rp2pio_statemachine_obj_t *self);
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extern bool common_hal_rp2pio_statemachine_deinited(rp2pio_statemachine_obj_t *self);
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// Writes out the given data.
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extern bool common_hal_rp2pio_statemachine_write(rp2pio_statemachine_obj_t *self, const uint8_t *data, size_t len);
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// // Reads in len bytes while outputting zeroes.
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// extern bool common_hal_rp2pio_statemachine_read(rp2pio_statemachine_obj_t *self, uint8_t *data, size_t len, uint8_t write_value);
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// // Reads and write len bytes simultaneously.
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// extern bool common_hal_rp2pio_statemachine_transfer(rp2pio_statemachine_obj_t *self,
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// const uint8_t *data_out, size_t out_len,
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// uint8_t *data_in, size_t in_len);
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// Return actual SPI bus frequency.
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uint32_t common_hal_rp2pio_statemachine_get_frequency(rp2pio_statemachine_obj_t* self);
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// This is used by the supervisor to claim SPI devices indefinitely.
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// extern void common_hal_rp2pio_statemachine_never_reset(rp2pio_statemachine_obj_t *self);
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#endif // MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H
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