mirror of https://github.com/rusefi/rusefi-1.git
34 lines
808 B
C
34 lines
808 B
C
/*
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* @file connector_uart_dma.h
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*
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* @date Jun 21, 2020
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* @author Andrey Belomutskiy, (c) 2012-2020
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*/
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#pragma once
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#include "global.h"
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#include "engine_configuration.h"
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// See uart_dma_s
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#define TS_FIFO_BUFFER_SIZE (BLOCKING_FACTOR + 30)
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// This must be a power of 2!
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#define TS_DMA_BUFFER_SIZE 32
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// struct needed for async DMA transfer mode (see TS_UART_DMA_MODE)
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typedef struct {
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// circular DMA buffer
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uint8_t dmaBuffer[TS_DMA_BUFFER_SIZE];
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// current read position for the DMA buffer
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volatile int readPos;
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// secondary FIFO buffer for async. transfer
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uint8_t buffer[TS_FIFO_BUFFER_SIZE];
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// input FIFO Rx queue
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input_queue_t fifoRxQueue;
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} uart_dma_s;
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#if TS_UART_DMA_MODE || PRIMARY_UART_DMA_MODE
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void startUartDmaConnector(UARTDriver *uartp DECLARE_CONFIG_PARAMETER_SUFFIX);
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#endif
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