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242 lines
7.0 KiB
242 lines
7.0 KiB
2 years ago
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#include "uart_interface.h"
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#include "elog.h"
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UartInterface_TypeDef * UartInterface_Init( )
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{
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UartInterface_TypeDef *Handle = (UartInterface_TypeDef *)malloc(sizeof(UartInterface_TypeDef));
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if (Handle == NULL)
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{
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return NULL;
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}
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// Handle->send_status = 0;
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Handle->interface_type = 0;
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#if MAX485_ENABLE
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Handle->de485_gpio = NULL;
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Handle->interface_type = 1;
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#endif
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#if MAX3160_ENABLE
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Handle->de485_gpio = NULL;
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Handle->sel_gpio = NULL;
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Handle->dplx_gpio = NULL;
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Handle->interface_type = 2;
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#endif
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return Handle;
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}
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/**
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* @brief interface-> 0:default, 1:485, 2:3160
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* @param [in] myuart
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* @param [in] interface
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* @return int
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*
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* @details
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*/
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int UartInterface_Setup_Interface_type( UartInterface_TypeDef * interface, Uart_Interface_Type_Typedef interface_type )
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{
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interface->interface_type = interface_type;
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return 0;
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}
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int UartInterface_Setup_Mode_232_485( UartInterface_TypeDef * interface, Uart_RS_Mode_TypeDef mode_232_485 )
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{
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interface->mode_232_485 = mode_232_485;
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if (interface->interface_type == 0)
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UartInterface_Set_232( interface);
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if (interface->interface_type == 1)
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UartInterface_Set_485( interface);
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if (interface->interface_type ==2 && interface->mode_232_485 ==Uart_RSMODE_232)
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UartInterface_Set_232( interface);
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if (interface->interface_type ==2 && interface->mode_232_485 ==Uart_RSMODE_485)
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UartInterface_Set_485( interface);
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return 0;
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}
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void UartInterface_Set_Sel_GPIO_Pin(UartInterface_TypeDef * interface, GPIO_TypeDef *gpio, uint16_t pin)
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{
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if (gpio!=NULL && pin>=0)
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{
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#if MAX3160_ENABLE
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interface->sel_gpio = gpio;
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interface->sel_pin = pin;
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#endif
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}
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}
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void UartInterface_Set_Dplx_GPIO_Pin(UartInterface_TypeDef * interface, GPIO_TypeDef *gpio, uint16_t pin)
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{
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if (gpio!=NULL && pin>=0)
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{
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#if MAX3160_ENABLE
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interface->dplx_gpio = gpio;
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interface->dplx_pin = pin;
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#endif
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}
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// #if MAX3160_ENABLE
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// interface->dplx_gpio = gpio;
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// interface->dplx_pin = pin;
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// #endif
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}
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void UartInterface_Set_DE485_GPIO_Pin(UartInterface_TypeDef * interface, GPIO_TypeDef *gpio, uint16_t pin)
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{
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if (gpio!=NULL && pin>=0)
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{
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#if MAX3160_ENABLE
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interface->de485_gpio = gpio;
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interface->de485_pin = pin;
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#endif
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#if MAX485_ENABLE
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interface->de485_gpio = gpio;
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interface->de485_pin = pin;
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#endif
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}
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// interface->de485_gpio = gpio;
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// interface->de485_pin = pin;
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}
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void UartInterface_Set_232(UartInterface_TypeDef * interface)
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{
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interface->mode_232_485 = Uart_RSMODE_232;
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#if MAX3160_ENABLE
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if (interface->sel_gpio != NULL)
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HAL_GPIO_WritePin(interface->dplx_gpio, interface->dplx_pin , DUPLEX_FULL);
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interface->sel = SEL_232;
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if (interface->sel_gpio != NULL)
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HAL_GPIO_WritePin( interface->sel_gpio, interface->sel_pin, interface->sel );
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#endif
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// interface->mode_232_485 = 0;
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}
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void UartInterface_Set_485(UartInterface_TypeDef * interface)
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{
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interface->mode_232_485 = Uart_RSMODE_485;
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// log_i(".......set 485 ");
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#if MAX3160_ENABLE
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interface->sel = SEL_485;
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if (interface->sel_gpio != NULL)
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// log_i(".......set 485 set dplx ");
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HAL_GPIO_WritePin(interface->dplx_gpio, interface->dplx_pin , DUPLEX_HALF);
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if (interface->de485_gpio != NULL)
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// log_i(".......set 485 set de ");
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HAL_GPIO_WritePin( interface->de485_gpio, interface->de485_pin, DISABLE_485_SEND );
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if (interface->sel_gpio != NULL)
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// log_i(".......set 485 set sel... ");
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HAL_GPIO_WritePin( interface->sel_gpio, interface->sel_pin, interface->sel );
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// log_i(" UartInterface_Set_485 222 interface->sel : %d duplex: %d ",interface->sel , HAL_GPIO_ReadPin(interface->dplx_gpio,interface->dplx_pin) );
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#endif
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#if MAX485_ENABLE
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if (interface->de485_gpio != NULL)
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// log_i(".......set 485 set de ");
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HAL_GPIO_WritePin( interface->de485_gpio, interface->de485_pin, DISABLE_485_SEND );
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#endif
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}
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/**
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* @brief 发送前操作 GPIO
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* @param [in] myuart
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* @return int
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*
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* @details
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*/
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int UartInterface_Set_GPIO_For_Transmit( UartInterface_TypeDef * interface )
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// int UartInterface_Send_TxPrepare_Callback( UartInterface_TypeDef * interface )
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{
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#if MAX3160_ENABLE
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if (interface->mode_232_485 == 0)
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{
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HAL_GPIO_WritePin(interface->dplx_gpio, interface->dplx_pin , DUPLEX_FULL);
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};
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if ( interface->interface_type == 2 && interface->mode_232_485 == 1 )
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{
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// log_i( " ---- UartInterface_Set_GPIO_For_Transmit " );
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HAL_GPIO_WritePin(interface->dplx_gpio, interface->dplx_pin , DUPLEX_FULL); // 全双工启动发送
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HAL_GPIO_WritePin(interface->de485_gpio, interface->de485_pin, ENABLE_485_SEND);
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return 0;
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}
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#endif
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#if MAX485_ENABLE
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if (interface->interface_type == 1)
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{
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HAL_GPIO_WritePin(interface->de485_gpio, interface->de485_pin, ENABLE_485_SEND);
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}
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#endif
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return 0;
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// #if MAX3160_ENABLE
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// if (interface->interface_type == 2 && )
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// {
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// switch (interface->sel)
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// {
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// case SEL_232:
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// HAL_GPIO_WritePin(interface->dplx_gpio, interface->dplx_pin , DUPLEX_FULL);
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// // return __UartInterface_Send(myuart,buf,size);
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// break;
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// case SEL_485:
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// log_i(" 485 mode writepin...... ");
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// HAL_GPIO_WritePin(interface->dplx_gpio, interface->dplx_pin , DUPLEX_FULL);
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// HAL_GPIO_WritePin( interface->de485_gpio, interface->de485_pin, ENABLE_485_SEND);
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// // return __UartInterface_Send(myuart,buf,size);
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// break;
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// default:
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// break;
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// }
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// }
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// #endif
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// #if MAX485_ENABLE
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// if (interface->interface_type == 1)
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// {
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// HAL_GPIO_WritePin(interface->dplx_gpio, interface->dplx_pin , DUPLEX_FULL);
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// HAL_GPIO_WritePin( interface->de485_gpio, interface->de485_pin, ENABLE_485_SEND); // return __Max3160_Send(max3160,buf,size);
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// }
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// #endif
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}
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/**
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* @brief 发送完成后操作 GPIO
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* @param [in] myuart
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* @return int
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*
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* @details
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*/
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// 接收完成，切换到接收状态， 全双工接收
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int UartInterface_Set_GPIO_For_Trans_Cplt( UartInterface_TypeDef * interface )
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{
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// interface->send_status = 0;
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#if MAX3160_ENABLE
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if ( interface->interface_type == 2 && interface->mode_232_485 == 1)
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{
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HAL_GPIO_WritePin(interface->dplx_gpio, interface->dplx_pin , DUPLEX_HALF); // 半双工接收
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HAL_GPIO_WritePin(interface->de485_gpio, interface->de485_pin, DISABLE_485_SEND);
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return 0;
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}
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if (interface->mode_232_485 == 0) return -1;
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#endif
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#if MAX485_ENABLE
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if (interface->interface_type == 1)
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{
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HAL_GPIO_WritePin(interface->de485_gpio, interface->de485_pin, DISABLE_485_SEND);
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return 0;
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}
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if (interface->mode_232_485 == 0) return -1;
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#endif
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return 0;
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}
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