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191 lines
5.4 KiB
191 lines
5.4 KiB
#ifndef __BSP_UART_H
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#define __BSP_UART_H
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#include "stm32f4xx.h"
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/**
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* 封装不同使用类型串口 232 485 max3160
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* 包含发送回调的GPIO操作
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* 其他回调外部处理
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*/
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/* 485 3160 启用一个， 两个接口都有 MAX3160_ENABLE */
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#define MAX485_ENABLE 0
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#define MAX3160_ENABLE 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdlib.h>
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#include "main.h"
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typedef enum
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{
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Uart_Interface_Default = 0x00U,
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Uart_Interface_485 = 0x01U,
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Uart_Interface_Max3160_232 = 0x02U,
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Uart_Interface_Max3160_485 = 0x03U,
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} Uart_Interface_Type_Typedef;
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typedef enum
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{
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Uart_Trans_Polling = 0x00U,
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Uart_Trans_IT = 0x01U,
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Uart_Trans_DMA = 0x02U,
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} Uart_Transmode_TypeDef;
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typedef enum
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{
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Uart_IDLE_IT_DISABLE = 0x00U,
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Uart_IDLE_IT_ENABLE = 0x01U,
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} Uart_IDLE_Enable_TypeDef;
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typedef struct
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{
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uint32_t size;
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uint8_t *buf;
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}Record_Trans_Rcv_TypeDef;
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/* ----------------------- variables ---------------------------------*/
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// extern UART_HandleTypeDef huart3;
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// UART_HandleTypeDef *puarthelper = &huart3;
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typedef void ( *enable_func_gpio) (void);
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typedef int ( *callback_fun) (void *obj, void *buf, uint16_t size);
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typedef struct
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{
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UART_HandleTypeDef *huart;
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Uart_Interface_Type_Typedef interface_type; /* 0: default(TTL 232), 1: 485 ,2:3160-232 3: 3160-485*/
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Uart_IDLE_Enable_TypeDef enable_idle_it;
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Uart_Transmode_TypeDef trans_mode; /* 0 :polling, 1: IT 2: DMA*/
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Uart_Transmode_TypeDef rcv_mode;
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Record_Trans_Rcv_TypeDef *trans_record;
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// Record_Trans_Rcv_TypeDef *rcv_record;
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// uint8_t *trans_buf;
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// uint16_t trans_size;
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uint8_t *rcv_buf;
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uint16_t rcv_size;
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volatile uint8_t send_flag;
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volatile uint8_t send_tc_flag; /* 0 开始发送， 1 发送完成*/
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volatile uint8_t transferring;
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// uint32_t timebase;
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enable_func_gpio enable_trans_gpio;
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enable_func_gpio enable_trans_cplt_gpio;
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void * obj;
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callback_fun callback;
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// 这个是供外部调用的； 中断是统一管理的， 中断会找到这里的接收回调，然后返回回去
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// #if MAX485_ENABLE
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// GPIO_TypeDef *de485_gpio;
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// uint16_t de485_pin;
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// uint8_t de485;
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// #endif
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// #if MAX3160_ENABLE
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// GPIO_TypeDef *de485_gpio;
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// uint16_t de485_pin;
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// GPIO_TypeDef *sel_gpio;
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// GPIO_TypeDef *dplx_gpio;
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// uint16_t sel_pin;
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// uint16_t dplx_pin;
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// uint8_t sel;
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// uint8_t dplx;
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// #endif
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// uint8_t dplx;
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// uint8_t sel;
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// uint8_t de485;
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}UART_HELPER_TypeDef;
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extern UART_HELPER_TypeDef *uarthelper;
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UART_HELPER_TypeDef * UART_HELPER_Init( );
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void UART_HELPER_Set_Huart(UART_HELPER_TypeDef * uarthelper, UART_HandleTypeDef *huart);
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int UART_HELPER_Set_Interface_Type(UART_HELPER_TypeDef * uarthelper, uint8_t interface_type);
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int UART_HELPER_Setup_Trans_mode( UART_HELPER_TypeDef * uarthelper, uint8_t trans_mode );
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int UART_HELPER_Setup_Rcv_mode( UART_HELPER_TypeDef * uarthelper, uint8_t rcv_mode );
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int UART_HELPER_Set_trans_GPIO( UART_HELPER_TypeDef * uarthelper, enable_func_gpio trans_gpio_func );
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int UART_HELPER_Set_trans_cplt_GPIO( UART_HELPER_TypeDef * uarthelper, enable_func_gpio trans_cplt_gpio_func );
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int UART_HELPER_Set_enable_idle( UART_HELPER_TypeDef * uarthelper, uint8_t enable_idle);
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int UART_HELPER_Set_Rcv_Buf( UART_HELPER_TypeDef * uarthelper, uint8_t * buf, uint16_t size);
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int UART_HELPER_Set_Trans_Buf( UART_HELPER_TypeDef * uarthelper, uint8_t * buf, uint16_t size);
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int UART_HELPER_Set_Callback( UART_HELPER_TypeDef * uarthelper, void *obj, callback_fun func);
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int UART_HELPER_Trans(UART_HELPER_TypeDef * uarthelper, uint8_t *buf, uint16_t size);
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// int __UART_HELPER_Trans(UART_HELPER_TypeDef * uarthelper , uint8_t *buf, uint16_t size);
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int UART_HELPER_Trans_TxCplt_Callback( UART_HELPER_TypeDef * uarthelper );
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/* 接收方式 也有三种类型 */
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int UART_HELPER_Start_Rcv(UART_HELPER_TypeDef * uarthelper, uint8_t *buf, uint16_t size);
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int UART_HELPER_RCV_Cplt_Callback( UART_HELPER_TypeDef * uarthelper );
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int UART_HELPER_RCV_IDLE_Callback( UART_HELPER_TypeDef * uarthelper, uint16_t size );
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#endif
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/*
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发送回调函数，通过函数指针注册引入，操作GPIO
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接收回调函数通过 通过函数指针注册引入 ，操作GPIO
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IDLE RXCplt 都可以产生中断，
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485
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enable rcv
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HAL_GPIO_WritePin(uarthelper->de485_gpio, uarthelper->de485_pin, 0);
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enable send
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HAL_GPIO_WritePin(uarthelper->de485_gpio, uarthelper->de485_pin, 1);
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3160 485 --高 (232 - 低)
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enable rcv
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HAL_GPIO_WritePin(uarthelper->dplx_gpio, uarthelper->dplx_gpio , 1);
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HAL_GPIO_WritePin(uarthelper->de485_gpio, uarthelper->de485_pin, 0);
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enable send
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HAL_GPIO_WritePin(uarthelper->dplx_gpio, uarthelper->dplx_gpio , 0);
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HAL_GPIO_WritePin(uarthelper->de485_gpio, uarthelper->de485_pin, 1);
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uarthelper = UART_HELPER_Init();
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UART_HELPER_Set_Huart( uarthelper, phuart),
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UART_HELPER_Setup_Transmod( uarthelper, 2 );
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UART_HELPER_Set_enable_snd_func( uarthelper, NULL );
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UART_HELPER_Set_enable_rcv_func( uarthelper, NULL);
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UART_HELPER_Set_enable_idle( uarthelper, enable_idle);
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UART_HELPER_Set_enable_rcv_func( uarthelper, obj, (callback_fun) func);
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// #if MAX3160_ENABLE
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// #define DUPLEX_HALF 1
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// #define DUPLEX_FULL 0
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// #define SEL_485 1
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// #define SEL_232 0
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// #define ENABLE_485_Trans 1
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// #define DISABLE_485_Trans 0
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// # endif
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// #if MAX485_ENABLE
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// #define ENABLE_485_Trans 1
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// #define DISABLE_485_Trans 0
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// # endif
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*/ |