添加串口读写

2024-02-29 00:45:47 +08:00
parent 5b87198936
commit deafcfed1a
62 changed files with 20818 additions and 22162 deletions
@@ -0,0 +1,94 @@
+/*
+ * drv_usart.h
+ *
+ *  Created on: Mar 31, 2023
+ *      Author: gxms0
+ */
+
+#ifndef BSP_DRV_UART_H_
+#define BSP_DRV_UART_H_
+
+#include "ch32v20x.h"
+#include "string.h"
+
+#define RingBuffSize 128
+
+
+typedef enum
+{
+    RINGBUFFER_NORMAL,
+    RINGBUFFER_EMPTY,
+    RINGBUFFER_FULL,
+    RINGBUFFER_HALFFULL,
+}RingBuffer_State;
+
+typedef struct
+{
+    uint8_t  buff[RingBuffSize];
+    uint16_t Write;
+    uint16_t Read;
+    uint16_t Size;
+}RingBuff_Type;
+
+
+
+
+typedef enum eUART_FIFO_MODE
+{
+    UART_FIFO_BLOCK = 0,
+    UART_FIFO_IT,
+    UART_FIFO_DMA,
+} uart_fifo_mode_t;
+
+
+
+
+typedef struct sUART
+{
+    USART_TypeDef *USART;
+
+    GPIO_TypeDef *GPIO_Tx;
+    GPIO_TypeDef *GPIO_Rx;
+    uint32_t Pin_Tx;
+    uint32_t Pin_Rx;
+
+
+    uint8_t *buffer_rx;
+    uint8_t *buffer_tx;
+
+    size_t buffer_rx_head;
+    size_t buffer_rx_tail;
+    size_t buffer_tx_head;
+    size_t buffer_tx_tail;
+    size_t buffer_rx_len;
+    size_t buffer_tx_len;
+    size_t buffer_tx_len_2;
+
+
+
+    struct sUART *next_ptr;
+
+}UART_t;
+
+typedef UART_t* UART_ptr;
+
+
+
+void usart_init(void);
+
+void usart_config(UART_ptr ptr,USART_TypeDef *UART, GPIO_TypeDef *GPIO_Tx, uint32_t Pin_Tx, GPIO_TypeDef *GPIO_Rx, uint32_t Pin_Rx,
+                uint32_t BaudRate, uint16_t WordLength, uint16_t StopBits, uint16_t Parity,
+                uint32_t buff_tx_len,uint32_t buff_rx_len);
+
+size_t usart_read(UART_ptr ptr,unsigned char *buff,const unsigned int len);
+
+size_t usart_write(UART_ptr ptr,const unsigned char *buff,const unsigned int len);
+
+
+
+
+
+
+
+
+#endif /* BSP_DRV_UART_H_ */