72 lines
3.1 KiB
C
72 lines
3.1 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) 2020 Jeff Epler 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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#pragma once
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#include "py/obj.h"
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#include "shared-bindings/_canio/__init__.h"
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#include "component/can.h"
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#include "common-hal/microcontroller/Pin.h"
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#include "common-hal/_canio/__init__.h"
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#include "shared-module/_canio/Message.h"
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#define COMMON_HAL_CAN_RX_FIFO_LEN (2)
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#define COMMON_HAL_CAN_TX_FIFO_LEN (2)
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typedef struct {
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mp_obj_base_t base;
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Can *hw;
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canio_can_state_t *state;
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volatile uint32_t error_warning_state_count;
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volatile uint32_t error_passive_state_count;
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volatile uint32_t bus_off_state_count;
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int baudrate;
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uint8_t rx_pin_number:8;
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uint8_t tx_pin_number:8;
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bool loopback:1;
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bool silent:1;
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bool auto_restart:1;
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bool fifo0_in_use:1;
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bool fifo1_in_use:1;
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} canio_can_obj_t;
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void common_hal_canio_can_construct(canio_can_obj_t *self, mcu_pin_obj_t *rx, mcu_pin_obj_t *tx, int baudrate, bool loopback, bool silent);
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bool common_hal_canio_can_auto_restart_get(canio_can_obj_t *self);
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bool common_hal_canio_can_deinited(canio_can_obj_t *self);
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int common_hal_canio_can_baudrate_get(canio_can_obj_t *self);
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int common_hal_canio_can_bus_off_state_count_get(canio_can_obj_t *self);
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int common_hal_canio_can_error_passive_state_count_get(canio_can_obj_t *self);
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int common_hal_canio_can_error_warning_state_count_get(canio_can_obj_t *self);
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int common_hal_canio_can_receive_error_count_get(canio_can_obj_t *self);
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canio_bus_state_t common_hal_canio_can_state_get(canio_can_obj_t *self);
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int common_hal_canio_can_transmit_error_count_get(canio_can_obj_t *self);
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void common_hal_canio_can_auto_restart_set(canio_can_obj_t *self, bool auto_restart);
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void common_hal_canio_can_check_for_deinit(canio_can_obj_t *self);
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void common_hal_canio_can_deinit(canio_can_obj_t *self);
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void common_hal_canio_can_restart(canio_can_obj_t *self);
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void common_hal_canio_can_send(canio_can_obj_t *self, canio_message_obj_t *message);
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void common_hal_canio_reset(void);
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