2023-07-03 02:22:50 +08:00
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# MCP25XXFD CAN configuration options
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# Copyright (c) 2020 Abram Early
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# Copyright (c) 2023 Andriy Gelman
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# SPDX-License-Identifier: Apache-2.0
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config CAN_MCP251XFD
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bool "MCP25XXFD CAN Driver"
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default y
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depends on DT_HAS_MICROCHIP_MCP251XFD_ENABLED
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select CRC
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select SPI
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help
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Enable MCP25XXFD CAN Driver
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if CAN_MCP251XFD
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config CAN_MCP251XFD_MAX_TX_QUEUE
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int "Maximum number of queued messages"
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default 8
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range 1 32
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help
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Defines the array size of transmit callback pointers and semaphores,
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as well as the number of messages in the TX queue.
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config CAN_MCP251XFD_RX_FIFO_ITEMS
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int "Number of CAN messages in the RX fifo"
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default 16
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range 1 32
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help
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Defines the number of CAN messages in the RX fifo.
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config CAN_MCP251XFD_INT_THREAD_STACK_SIZE
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int "Stack size for interrupt handler"
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default 768
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help
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Size of the stack used for internal thread which is ran for
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interrupt handling and incoming packets.
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config CAN_MCP251XFD_INT_THREAD_PRIO
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int "Priority for interrupt handler"
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default 2
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help
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Thread priority of the interrupt handler. A higher number implies a
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higher priority. The thread is cooperative and will not be interrupted by
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another thread until execution is released.
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config CAN_MCP251XFD_READ_CRC_RETRIES
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int "Number of retries during SFR register read"
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default 5
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help
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Number of retries during SFR register read if CRC fails.
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config CAN_MAX_FILTER
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int "Maximum number of concurrent active filters"
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default 5
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2023-10-14 03:20:35 +08:00
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range 1 32
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2023-07-03 02:22:50 +08:00
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help
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Maximum number of filters supported by the can_add_rx_callback() API call.
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endif # CAN_MCP251XFD
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