43 lines
827 B
C
43 lines
827 B
C
#include "board.h"
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uart_t *uart = NULL;
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static void uart_rx_cb(uint8_t uart_index, uint8_t *data, uint16_t len)
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{
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}
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static void uart_init(void)
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{
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if (uart == NULL)
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{
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uart = uart_create(USART1, TRUE, UART_RXSIZE, uart_rx_cb, TRUE, UART_TXSIZE, NULL);
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uart->uart_index = 0;
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uart->dma = DMA1;
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uart->dma_rx_channel = LL_DMA_CHANNEL_5;
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uart->dma_tx_channel = LL_DMA_CHANNEL_4;
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uart_recv_en(uart, FALSE);
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}
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}
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/**
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* @brief 通过UART发送数据
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*
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* 该函数通过UART接口发送指定长度的数据。
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*
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* @param data 指向要发送数据的指针
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* @param len 要发送的数据长度
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*/
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void uart_send(uint8_t *data, uint16_t len)
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{
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uart_send_data(uart, data, len);
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}
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/**
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* @brief 初始化显示板
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*
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*/
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void board_init(void)
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{
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uart_init();
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}
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