67 lines
2.4 KiB
C
67 lines
2.4 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) 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 "hal/utils/include/utils.h"
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#include "component/can.h"
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#define COMMON_HAL_CANIO_MAX_MESSAGE_LENGTH (8)
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#define COMMON_HAL_CANIO_RX_FIFO_SIZE (3)
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#define COMMON_HAL_CANIO_RX_FILTER_SIZE (4)
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#define COMMON_HAL_CANIO_TX_FIFO_SIZE (1)
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// This appears to be a typo (transposition error) in the ASF4 headers
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// It's called the "Extended ID Filter Entry"
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typedef CanMramXifde CanMramXidfe;
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typedef struct canio_listener canio_listener_t;
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typedef struct canio_can canio_can_t;
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typedef struct {
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CAN_TXBE_0_Type txb0;
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CAN_TXBE_1_Type txb1;
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COMPILER_ALIGNED(4)
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uint8_t data[COMMON_HAL_CANIO_MAX_MESSAGE_LENGTH];
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} canio_can_tx_buffer_t;
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typedef struct {
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CAN_RXF0E_0_Type rxf0;
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CAN_RXF0E_1_Type rxf1;
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COMPILER_ALIGNED(4)
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uint8_t data[COMMON_HAL_CANIO_MAX_MESSAGE_LENGTH];
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} canio_can_rx_fifo_t;
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typedef uint32_t canio_can_filter_t;
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typedef struct {
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canio_can_tx_buffer_t tx_buffer[COMMON_HAL_CANIO_TX_FIFO_SIZE];
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canio_can_rx_fifo_t rx0_fifo[COMMON_HAL_CANIO_RX_FIFO_SIZE];
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canio_can_rx_fifo_t rx1_fifo[COMMON_HAL_CANIO_RX_FIFO_SIZE];
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CanMramSidfe standard_rx_filter[COMMON_HAL_CANIO_RX_FILTER_SIZE];
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CanMramXifde extended_rx_filter[COMMON_HAL_CANIO_RX_FILTER_SIZE];
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} canio_can_state_t;
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