/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries * * 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_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H #define MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H #include "py/obj.h" #include "common-hal/microcontroller/Pin.h" #include "common-hal/rp2pio/StateMachine.h" // Type object used in Python. Should be shared between ports. extern const mp_obj_type_t rp2pio_statemachine_type; // Construct an underlying SPI object. extern void common_hal_rp2pio_statemachine_construct(rp2pio_statemachine_obj_t *self, const uint16_t* program, size_t program_len, size_t frequency, const uint16_t* init, size_t init_len, const mcu_pin_obj_t * first_out_pin, uint8_t out_pin_count, const mcu_pin_obj_t * first_in_pin, uint8_t in_pin_count, const mcu_pin_obj_t * first_set_pin, uint8_t set_pin_count, const mcu_pin_obj_t * first_sideset_pin, uint8_t sideset_pin_count, bool exclusive_pin_use, bool auto_pull, uint8_t pull_threshold, bool out_shift_right, bool auto_push, uint8_t push_threshold, bool in_shift_right); extern void common_hal_rp2pio_statemachine_deinit(rp2pio_statemachine_obj_t *self); extern bool common_hal_rp2pio_statemachine_deinited(rp2pio_statemachine_obj_t *self); // Writes out the given data. extern bool common_hal_rp2pio_statemachine_write(rp2pio_statemachine_obj_t *self, const uint8_t *data, size_t len); // // Reads in len bytes while outputting zeroes. // extern bool common_hal_rp2pio_statemachine_read(rp2pio_statemachine_obj_t *self, uint8_t *data, size_t len, uint8_t write_value); // // Reads and write len bytes simultaneously. // extern bool common_hal_rp2pio_statemachine_transfer(rp2pio_statemachine_obj_t *self, // const uint8_t *data_out, size_t out_len, // uint8_t *data_in, size_t in_len); // Return actual SPI bus frequency. uint32_t common_hal_rp2pio_statemachine_get_frequency(rp2pio_statemachine_obj_t* self); // This is used by the supervisor to claim SPI devices indefinitely. // extern void common_hal_rp2pio_statemachine_never_reset(rp2pio_statemachine_obj_t *self); #endif // MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H