WebSVN – LedShow – Blame – /trunk/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc_if_template.c

Rev	Author	Line No.	Line
2	mjames	1	/**
		2	******************************************************************************
		3	* @file usbd_cdc_if_template.c
		4	* @author MCD Application Team
		5	* @brief Generic media access Layer.
		6	******************************************************************************
		7	* @attention
		8	*
9	mjames	9	* <h2><center>© Copyright (c) 2015 STMicroelectronics.
		10	* All rights reserved.</center></h2>
2	mjames	11	*
9	mjames	12	* This software component is licensed by ST under Ultimate Liberty license
		13	* SLA0044, the "License"; You may not use this file except in compliance with
		14	* the License. You may obtain a copy of the License at:
		15	* www.st.com/SLA0044
2	mjames	16	*
		17	******************************************************************************
9	mjames	18	*/
2	mjames	19
9	mjames	20	/* BSPDependencies
		21	- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
		22	- "stm32xxxxx_{eval}{discovery}_io.c"
		23	EndBSPDependencies */
		24
2	mjames	25	/* Includes ------------------------------------------------------------------*/
		26	#include "usbd_cdc_if_template.h"
		27
		28	/** @addtogroup STM32_USB_DEVICE_LIBRARY
		29	* @{
		30	*/
		31
		32
9	mjames	33	/** @defgroup USBD_CDC
2	mjames	34	* @brief usbd core module
		35	* @{
9	mjames	36	*/
2	mjames	37
		38	/** @defgroup USBD_CDC_Private_TypesDefinitions
		39	* @{
9	mjames	40	*/
2	mjames	41	/**
		42	* @}
9	mjames	43	*/
2	mjames	44
		45
		46	/** @defgroup USBD_CDC_Private_Defines
		47	* @{
9	mjames	48	*/
2	mjames	49	/**
		50	* @}
9	mjames	51	*/
2	mjames	52
		53
		54	/** @defgroup USBD_CDC_Private_Macros
		55	* @{
9	mjames	56	*/
2	mjames	57
		58	/**
		59	* @}
9	mjames	60	*/
2	mjames	61
		62
		63	/** @defgroup USBD_CDC_Private_FunctionPrototypes
		64	* @{
		65	*/
		66
9	mjames	67	static int8_t TEMPLATE_Init(void);
		68	static int8_t TEMPLATE_DeInit(void);
		69	static int8_t TEMPLATE_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length);
		70	static int8_t TEMPLATE_Receive(uint8_t pbuf, uint32_t Len);
2	mjames	71
9	mjames	72	USBD_CDC_ItfTypeDef USBD_CDC_Template_fops =
2	mjames	73	{
		74	TEMPLATE_Init,
		75	TEMPLATE_DeInit,
		76	TEMPLATE_Control,
		77	TEMPLATE_Receive
		78	};
		79
		80	USBD_CDC_LineCodingTypeDef linecoding =
9	mjames	81	{
		82	115200, /* baud rate*/
		83	0x00, /* stop bits-1*/
		84	0x00, /* parity - none*/
		85	0x08 /* nb. of bits 8*/
		86	};
2	mjames	87
		88	/* Private functions ---------------------------------------------------------*/
		89
		90	/**
		91	* @brief TEMPLATE_Init
		92	* Initializes the CDC media low layer
		93	* @param None
		94	* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
		95	*/
		96	static int8_t TEMPLATE_Init(void)
		97	{
		98	/*
9	mjames	99	Add your initialization code here
		100	*/
2	mjames	101	return (0);
		102	}
		103
		104	/**
		105	* @brief TEMPLATE_DeInit
		106	* DeInitializes the CDC media low layer
		107	* @param None
		108	* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
		109	*/
		110	static int8_t TEMPLATE_DeInit(void)
		111	{
		112	/*
9	mjames	113	Add your deinitialization code here
		114	*/
2	mjames	115	return (0);
		116	}
		117
		118
		119	/**
		120	* @brief TEMPLATE_Control
		121	* Manage the CDC class requests
9	mjames	122	* @param Cmd: Command code
2	mjames	123	* @param Buf: Buffer containing command data (request parameters)
		124	* @param Len: Number of data to be sent (in bytes)
		125	* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
		126	*/
9	mjames	127	static int8_t TEMPLATE_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length)
		128	{
2	mjames	129	switch (cmd)
		130	{
9	mjames	131	case CDC_SEND_ENCAPSULATED_COMMAND:
		132	/* Add your code here */
		133	break;
2	mjames	134
9	mjames	135	case CDC_GET_ENCAPSULATED_RESPONSE:
		136	/* Add your code here */
		137	break;
2	mjames	138
9	mjames	139	case CDC_SET_COMM_FEATURE:
		140	/* Add your code here */
		141	break;
2	mjames	142
9	mjames	143	case CDC_GET_COMM_FEATURE:
		144	/* Add your code here */
		145	break;
2	mjames	146
9	mjames	147	case CDC_CLEAR_COMM_FEATURE:
		148	/* Add your code here */
		149	break;
2	mjames	150
9	mjames	151	case CDC_SET_LINE_CODING:
		152	linecoding.bitrate = (uint32_t)(pbuf[0] \| (pbuf[1] << 8) \| \
		153	(pbuf[2] << 16) \| (pbuf[3] << 24));
		154	linecoding.format = pbuf[4];
		155	linecoding.paritytype = pbuf[5];
		156	linecoding.datatype = pbuf[6];
2	mjames	157
9	mjames	158	/* Add your code here */
		159	break;
2	mjames	160
9	mjames	161	case CDC_GET_LINE_CODING:
		162	pbuf[0] = (uint8_t)(linecoding.bitrate);
		163	pbuf[1] = (uint8_t)(linecoding.bitrate >> 8);
		164	pbuf[2] = (uint8_t)(linecoding.bitrate >> 16);
		165	pbuf[3] = (uint8_t)(linecoding.bitrate >> 24);
		166	pbuf[4] = linecoding.format;
		167	pbuf[5] = linecoding.paritytype;
		168	pbuf[6] = linecoding.datatype;
2	mjames	169
9	mjames	170	/* Add your code here */
		171	break;
		172
		173	case CDC_SET_CONTROL_LINE_STATE:
		174	/* Add your code here */
		175	break;
		176
		177	case CDC_SEND_BREAK:
		178	/* Add your code here */
		179	break;
		180
		181	default:
		182	break;
2	mjames	183	}
		184
		185	return (0);
		186	}
		187
		188	/**
		189	* @brief TEMPLATE_Receive
9	mjames	190	* Data received over USB OUT endpoint are sent over CDC interface
2	mjames	191	* through this function.
9	mjames	192	*
2	mjames	193	* @note
9	mjames	194	* This function will issue a NAK packet on any OUT packet received on
2	mjames	195	* USB endpoint untill exiting this function. If you exit this function
		196	* before transfer is complete on CDC interface (ie. using DMA controller)
9	mjames	197	* it will result in receiving more data while previous ones are still
2	mjames	198	* not sent.
9	mjames	199	*
2	mjames	200	* @param Buf: Buffer of data to be received
		201	* @param Len: Number of data received (in bytes)
		202	* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
		203	*/
9	mjames	204	static int8_t TEMPLATE_Receive(uint8_t Buf, uint32_t Len)
2	mjames	205	{
9	mjames	206
2	mjames	207	return (0);
		208	}
		209
		210	/**
		211	* @}
9	mjames	212	*/
2	mjames	213
		214	/**
		215	* @}
9	mjames	216	*/
2	mjames	217
		218	/**
		219	* @}
9	mjames	220	*/
2	mjames	221
		222	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/
		223

Subversion Repositories LedShow

(root)/trunk/Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc_if_template.c – Rev 9