59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
#ifndef UART_TRANS_H
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#define UART_TRANS_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "FreeRTOS.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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UART_CHANNEL_U0 = 0,
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UART_CHANNEL_U1 = 1,
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UART_CHANNEL_MAX
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} uart_channel_t;
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typedef enum {
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UART_TRANS_SEND_OK = 0,
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UART_TRANS_SEND_INVALID_INPUT,
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UART_TRANS_SEND_RING_FULL,
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UART_TRANS_SEND_KICK_FAILED
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} uart_trans_send_result_t;
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typedef struct {
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uint8_t src_id;
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uint8_t dst_mask;
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uint16_t payload_len;
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uint8_t payload[256];
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} uart_mux_frame_t;
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#define UART_RX_DMA_BUFFER_SIZE 128u
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#define UART_TX_DMA_BUFFER_SIZE 128u
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#define UART_RX_RING_BUFFER_SIZE 256u
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#define UART_TX_RING_BUFFER_SIZE 256u
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int uart_trans_init(void);
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int uart_trans_start_all(void);
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const char *uart_trans_send_result_to_str(uart_trans_send_result_t result);
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uart_trans_send_result_t uart_trans_send_buffer(uart_channel_t channel, const uint8_t *data, uint16_t len);
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void uart_trans_notify_rx_from_isr(uart_channel_t channel, BaseType_t *xHigherPriorityTaskWoken);
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void uart_trans_tx_cplt_handler(uart_channel_t channel);
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void UartRxTask(void *argument);
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bool uart_mux_try_extract_frame(uart_channel_t channel, uart_mux_frame_t *frame);
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bool uart_mux_encode_frame(uint8_t src_id,
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uint8_t dst_mask,
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const uint8_t *payload,
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uint16_t payload_len,
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uint8_t *out,
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uint16_t *out_len,
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uint16_t out_capacity);
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#ifdef __cplusplus
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}
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#endif
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#endif
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