72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
#ifndef __BSP_UART_H
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#define __BSP_UART_H
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#include "at32a423.h"
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#include "circular_buffer.h"
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//串口1
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#define USART1_TX_BUF_LEN 2 //发送缓冲区大小
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#define USART1_RX_BUF_LEN 2 //接收的缓冲区大小
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#define USART1_GPIOx GPIOA
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#define BSP_USART1_TX_PIN GPIO_PINS_9 // 串口0TX的引脚
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#define BSP_USART1_RX_PIN GPIO_PINS_10 // 串口0RX的引脚
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//串口2
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#define USART2_TX_BUF_LEN 2 //发送缓冲区大小
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#define USART2_RX_BUF_LEN 2 //接收的缓冲区大小
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#define USART2_GPIOx GPIOB
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#define BSP_USART2_TX_PIN GPIO_PIN_10 // 串口2TX的引脚
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#define BSP_USART2_RX_PIN GPIO_PIN_5 // 串口2RX的引脚，GPIOC--5比较特殊
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//串口3
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#define USART3_TX_BUF_LEN 1024 //发送缓冲区大小
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#define USART3_RX_BUF_LEN 1024 //接收的缓冲区大小
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#define USART3_GPIOx GPIOB
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#define BSP_USART3_TX_PIN GPIO_PINS_10 // 串口0TX的引脚
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#define BSP_USART3_RX_PIN GPIO_PINS_11 // 串口0RX的引脚
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//串口4
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#define USART4_TX_BUF_LEN 2 //发送缓冲区大小
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#define USART4_RX_BUF_LEN 2 //接收的缓冲区大小
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#define USART4_GPIOx GPIOC
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#define BSP_UART4_TX_PIN GPIO_PIN_12 // 串口0TX的引脚
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#define BSP_UART4_RX_PIN GPIO_PIN_2 // 串口0RX的引脚，GPIOD--2
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//串口5
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#define USART5_TX_BUF_LEN 2 //发送缓冲区大小
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#define USART5_RX_BUF_LEN 2 //接收的缓冲区大小
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#define USART5_GPIOx GPIOB
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#define BSP_USART5_TX_PIN GPIO_PINS_3 // 串口0TX的引脚
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#define BSP_USART5_RX_PIN GPIO_PINS_4 // 串口0RX的引脚
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#define CIRCULAR_BUFFER_ENABLE 1 //开启循环串口缓冲区
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#if CIRCULAR_BUFFER_ENABLE
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typedef enum {
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USART_0_TR,
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USART_1_TR,
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USART_2_TR,
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USART_3_TR,
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USART_4_TR,
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USART_5_TR,
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} USART_COM_ID_T;
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uint8_t usart_tx_push(USART_COM_ID_T com_id, uint8_t *data, uint16_t len);
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uint8_t usart_rx_recv(USART_COM_ID_T com_id, uint8_t *data, uint16_t len);
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unsigned int usart_rx_read(USART_COM_ID_T com_id,uint8_t *data,uint16_t len);
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unsigned char usart_rx_at(USART_COM_ID_T com_id, uint8_t offset);
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void usart_rx_drop(USART_COM_ID_T com_id, uint8_t drop_lens);
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int usart_rx_get_rx_data_count(USART_COM_ID_T com_id);
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int usart_rx_probe(USART_COM_ID_T com_id);
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#endif
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#define ARRAYNUM(arr_name) (uint32_t)(sizeof(arr_name) / sizeof(*(arr_name)))
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void uart1_init(uint32_t band_rate);
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void uart3_init(uint32_t band_rate);
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void uart5_init(uint32_t band_rate);
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#endif
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