27dfdd737e
Real UARTs usually write 1 to a few bytes at a time through a latch buffer. Add latch buffer property to binding for uart_emul and limit fifo_read and fifo_fill to not exceed the latch buffer. Signed-off-by: Bjarki Arge Andreasen <bjarkix123@gmail.com>
34 lines
647 B
YAML
34 lines
647 B
YAML
# Copyright (c) 2023, Fabian Blatz
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# SPDX-License-Identifier: Apache-2.0
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description: UART Emulator
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compatible: "zephyr,uart-emul"
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include: uart-controller.yaml
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properties:
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tx-fifo-size:
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type: int
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default: 256
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description: |
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Size of the virtual UART TX FIFO
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rx-fifo-size:
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type: int
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default: 256
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description: |
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Size of the virtual UART RX FIFO
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loopback:
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type: boolean
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description: |
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Connects TX to RX internally creating a loop back connection. Useful
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for testing.
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latch-buffer-size:
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type: int
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default: 1
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description: |
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Size of the virtual UART latch buffer.
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