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94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/*
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* This file is included by usb_prop.c to provide Virtual COM port feature
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*/
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/* Original is ../Virtual_COM_Port/usb_prop.c by STMicroelectronics */
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/* Chopped and modified for Gnuk */
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#include "usb-cdc.h"
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/* Original copyright notice is following: */
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/******************** (C) COPYRIGHT 2010 STMicroelectronics ********************
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* File Name : usb_prop.c
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* Author : MCD Application Team
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* Version : V3.1.1
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* Date : 04/07/2010
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* Description : All processing related to Virtual Com Port Demo
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********************************************************************************
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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typedef struct
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{
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uint32_t bitrate;
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uint8_t format;
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uint8_t paritytype;
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uint8_t datatype;
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} LINE_CODING;
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static LINE_CODING linecoding = {
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115200, /* baud rate*/
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0x00, /* stop bits-1*/
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0x00, /* parity - none*/
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0x08 /* no. of bits 8*/
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};
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static uint8_t *Virtual_Com_Port_GetLineCoding(uint16_t Length)
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{
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if (Length == 0)
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{
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pInformation->Ctrl_Info.Usb_wLength = sizeof(linecoding);
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return NULL;
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}
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return (uint8_t *)&linecoding;
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}
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static uint8_t *Virtual_Com_Port_SetLineCoding(uint16_t Length)
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{
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if (Length == 0)
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{
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pInformation->Ctrl_Info.Usb_wLength = sizeof(linecoding);
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return NULL;
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}
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return (uint8_t *)&linecoding;
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}
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static RESULT
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Virtual_Com_Port_Data_Setup (uint8_t RequestNo)
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{
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uint8_t *(*CopyRoutine)(uint16_t);
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CopyRoutine = NULL;
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if (RequestNo == USB_CDC_REQ_GET_LINE_CODING)
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CopyRoutine = Virtual_Com_Port_GetLineCoding;
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else if (RequestNo == USB_CDC_REQ_SET_LINE_CODING)
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CopyRoutine = Virtual_Com_Port_SetLineCoding;
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if (CopyRoutine == NULL)
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return USB_UNSUPPORT;
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pInformation->Ctrl_Info.CopyData = CopyRoutine;
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pInformation->Ctrl_Info.Usb_wOffset = 0;
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(*CopyRoutine) (0); /* Set Ctrl_Info.Usb_wLength */
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return USB_SUCCESS;
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}
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static RESULT
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Virtual_Com_Port_NoData_Setup (uint8_t RequestNo)
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{
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if (RequestNo == USB_CDC_REQ_SET_CONTROL_LINE_STATE)
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/* Do nothing and success */
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return USB_SUCCESS;
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return USB_UNSUPPORT;
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}
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