MyStm32Code/device/Inc/uart_interface.h

#ifndef __UART_INTERFACE_H
#define __UART_INTERFACE_H
/**
* 封装不同使用类型串口  232  485 max3160
* 封装对应的 GPIO操作
*/
/*  485 3160 启用一个， 两个接口都有 MAX3160_ENABLE */


#ifdef __cplusplus
	extern "C" {
#endif

#include <stdlib.h>
#include "main.h"

#define MAX485_ENABLE  0
#define MAX3160_ENABLE 1

typedef enum 
{
  Uart_Status_Ready       	= 0x00U,
  Uart_Status_Sending   	= 0x01U,
  Uart_Status_Send_Cplt    = 0x02U,
  Uart_Status_Timeout    	= 0x10U,
  Uart_Status_Error    	= 0x11U,
} Uart_Status_TypeDef;

typedef enum 
{
  Uart_Interface_Default       	= 0x00U,
  Uart_Interface_485   	= 0x01U,
  Uart_Interface_Max3160     = 0x02U,
} Uart_Interface_Type_Typedef; 


typedef enum 
{
  Uart_Trans_Polling       	= 0x00U,
  Uart_Trans_IT   	= 0x01U,
  Uart_Trans_DMA     = 0x02U,
} Uart_Transmode_TypeDef;
 

typedef enum 
{
  Uart_RSMODE_232       	= 0x00U,
  Uart_RSMODE_485   	= 0x01U,
} Uart_RS_Mode_TypeDef;
 
 
typedef enum 
{
  Uart_IDLE_IT_DISABLE       	= 0x00U,
  Uart_IDLE_IT_ENABLE   	= 0x01U,
} Uart_IDLE_Enable_TypeDef;
 


#if MAX3160_ENABLE

typedef enum{
	SEL_232 =	0,
	SEL_485 =	1,
}Max3160_Sel_TypeDef;

typedef enum{
	DUPLEX_FULL =	0,
	DUPLEX_HALF =	1,
}Max3160_Duplex_TypeDef;   /* 发送时切换全双工（拉低），否则回显， 接收为半双工（拉高 默认）*/

typedef enum{
	DISABLE_485_SEND =	0,
	ENABLE_485_SEND =	1,
}Max3160_DE_TypeDef;

# endif

#if MAX485_ENABLE
typedef enum{
	DISABLE_485_SEND =	0,
	ENABLE_485_SEND =	1,
}Max_DE_TypeDef;
# endif



typedef struct 
{
	// UART_HandleTypeDef *huart;
	uint8_t  interface_type; /* 0: common, 1: 485 ,2:3160*/
	uint8_t  mode_232_485; /* 0: common, 1: 485  */

#if MAX485_ENABLE
	GPIO_TypeDef *de485_gpio;
	uint16_t de485_pin;
    uint8_t de485;
#endif

#if MAX3160_ENABLE
	GPIO_TypeDef *de485_gpio;
	uint16_t de485_pin;
	GPIO_TypeDef *sel_gpio;
	GPIO_TypeDef *dplx_gpio;
	uint16_t sel_pin;
	uint16_t dplx_pin;
    uint8_t sel;
    uint8_t dplx;
#endif
	uint8_t trans_mode; /* 0 :polling, 1: IT  2: DMA*/


}UartInterface_TypeDef;

// extern UartInterface_TypeDef *uart_helper;

UartInterface_TypeDef * UartInterface_Init( );

int UartInterface_Setup_Mode_232_485( UartInterface_TypeDef * interface, Uart_RS_Mode_TypeDef mode_232_485 );
int UartInterface_Setup_Transmod( UartInterface_TypeDef * interface, Uart_Transmode_TypeDef trans_mode );
int UartInterface_Setup_Interface_type( UartInterface_TypeDef * interface, Uart_Interface_Type_Typedef interface_type );
// int UartInterface_Setup_Woek_Mode( UartInterface_TypeDef * interface, uint8_t rs_232_485 );

void UartInterface_Set_Sel_GPIO_Pin(UartInterface_TypeDef * interface, GPIO_TypeDef *gpio, uint16_t pin);
void UartInterface_Set_Dplx_GPIO_Pin(UartInterface_TypeDef * interface, GPIO_TypeDef *gpio, uint16_t pin);
void UartInterface_Set_DE485_GPIO_Pin(UartInterface_TypeDef * interface, GPIO_TypeDef *gpio, uint16_t pin);

void UartInterface_Set_232(UartInterface_TypeDef * interface);
void UartInterface_Set_485(UartInterface_TypeDef * interface);

int UartInterface_Set_GPIO_For_Transmit( UartInterface_TypeDef * interface );
int UartInterface_Set_GPIO_For_Trans_Cplt( UartInterface_TypeDef * interface );

/* 接收方式 也有三种类型 */
// int UartInterface_Start_Rcv(UartInterface_TypeDef * interface, uint8_t *buf, uint16_t size);
// void UartInterface_Set_Huart(UartInterface_TypeDef * interface, UART_HandleTypeDef *huart);
// int UartInterface_Send(UartInterface_TypeDef * interface, uint8_t *buf, uint16_t size);
// int __UartInterface_Send(UartInterface_TypeDef * interface , uint8_t *buf, uint16_t size);
#ifdef __cplusplus
	}
#endif

#endif

/**
// int UartInterface_Send(UartInterface_TypeDef * interface, uint8_t *buf, uint16_t size);
// int __UartInterface_Send(UartInterface_TypeDef * interface , uint8_t *buf, uint16_t size);

// int UartInterface_Send_TxCplt_Callback( UartInterface_TypeDef * interface );

// int UartInterface_Send_Cplt(UartInterface_TypeDef * interface);
// void UartInterface_Set_tc_flag(UartInterface_TypeDef * interface);
 */