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drv/serial/usb/UsbSerial.h@0:281d6ff68967, 2010-11-19 (annotated)

Committer:: hexley
Date:: Fri Nov 19 01:54:45 2010 +0000
Revision:: 0:281d6ff68967

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User	Revision	Line number	New contents of line
hexley	0:281d6ff68967	1
hexley	0:281d6ff68967	2	/*
hexley	0:281d6ff68967	3	Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
hexley	0:281d6ff68967	4
hexley	0:281d6ff68967	5	Permission is hereby granted, free of charge, to any person obtaining a copy
hexley	0:281d6ff68967	6	of this software and associated documentation files (the "Software"), to deal
hexley	0:281d6ff68967	7	in the Software without restriction, including without limitation the rights
hexley	0:281d6ff68967	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hexley	0:281d6ff68967	9	copies of the Software, and to permit persons to whom the Software is
hexley	0:281d6ff68967	10	furnished to do so, subject to the following conditions:
hexley	0:281d6ff68967	11
hexley	0:281d6ff68967	12	The above copyright notice and this permission notice shall be included in
hexley	0:281d6ff68967	13	all copies or substantial portions of the Software.
hexley	0:281d6ff68967	14
hexley	0:281d6ff68967	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hexley	0:281d6ff68967	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hexley	0:281d6ff68967	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hexley	0:281d6ff68967	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hexley	0:281d6ff68967	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hexley	0:281d6ff68967	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hexley	0:281d6ff68967	21	THE SOFTWARE.
hexley	0:281d6ff68967	22	*/
hexley	0:281d6ff68967	23
hexley	0:281d6ff68967	24	#ifndef USB_SERIAL_H
hexley	0:281d6ff68967	25	#define USB_SERIAL_H
hexley	0:281d6ff68967	26
hexley	0:281d6ff68967	27	//DG 2010
hexley	0:281d6ff68967	28	//Essentially a clone of Serial if
hexley	0:281d6ff68967	29	#include "Stream.h"
hexley	0:281d6ff68967	30	#include "mbed.h"
hexley	0:281d6ff68967	31
hexley	0:281d6ff68967	32	#include "drv/usb/UsbDevice.h"
hexley	0:281d6ff68967	33	#include "drv/usb/UsbEndpoint.h"
hexley	0:281d6ff68967	34
hexley	0:281d6ff68967	35	namespace mbed {
hexley	0:281d6ff68967	36
hexley	0:281d6ff68967	37	class UsbSerial : public Stream {
hexley	0:281d6ff68967	38
hexley	0:281d6ff68967	39	public:
hexley	0:281d6ff68967	40
hexley	0:281d6ff68967	41	UsbSerial(UsbDevice* pDevice, int epIn, int epOut, const char* name = NULL);
hexley	0:281d6ff68967	42	virtual ~UsbSerial();
hexley	0:281d6ff68967	43	//Apart from the ctor/dtor, exactly the same protos as Serial
hexley	0:281d6ff68967	44
hexley	0:281d6ff68967	45	void baud(int baudrate);
hexley	0:281d6ff68967	46
hexley	0:281d6ff68967	47	enum Parity {
hexley	0:281d6ff68967	48	None = 0,
hexley	0:281d6ff68967	49	Odd = 1,
hexley	0:281d6ff68967	50	Even = 2,
hexley	0:281d6ff68967	51	Forced1 = 3,
hexley	0:281d6ff68967	52	Forced0 = 4
hexley	0:281d6ff68967	53	};
hexley	0:281d6ff68967	54
hexley	0:281d6ff68967	55	enum IrqType {
hexley	0:281d6ff68967	56	RxIrq = 0
hexley	0:281d6ff68967	57	, TxIrq
hexley	0:281d6ff68967	58	};
hexley	0:281d6ff68967	59
hexley	0:281d6ff68967	60	void format(int bits, int parity, int stop);
hexley	0:281d6ff68967	61
hexley	0:281d6ff68967	62	class CDummy;
hexley	0:281d6ff68967	63	template <class T>
hexley	0:281d6ff68967	64	void attach(T* pCbItem, void (T::*pCbMeth)(), IrqType type = RxIrq)
hexley	0:281d6ff68967	65	{
hexley	0:281d6ff68967	66	if(type == RxIrq)
hexley	0:281d6ff68967	67	{
hexley	0:281d6ff68967	68	m_pInCbItem = (CDummy*) pCbItem;
hexley	0:281d6ff68967	69	m_pInCbMeth = (void (CDummy::*)()) pCbMeth;
hexley	0:281d6ff68967	70	}
hexley	0:281d6ff68967	71	else
hexley	0:281d6ff68967	72	{
hexley	0:281d6ff68967	73	m_pOutCbItem = (CDummy*) pCbItem;
hexley	0:281d6ff68967	74	m_pOutCbMeth = (void (CDummy::*)()) pCbMeth;
hexley	0:281d6ff68967	75	}
hexley	0:281d6ff68967	76	}
hexley	0:281d6ff68967	77
hexley	0:281d6ff68967	78	#if 0 // Inhereted from Stream, for documentation only
hexley	0:281d6ff68967	79
hexley	0:281d6ff68967	80	/* Function: putc
hexley	0:281d6ff68967	81	* Write a character
hexley	0:281d6ff68967	82	*
hexley	0:281d6ff68967	83	* Variables:
hexley	0:281d6ff68967	84	* c - The character to write to the serial port
hexley	0:281d6ff68967	85	*/
hexley	0:281d6ff68967	86	int putc(int c);
hexley	0:281d6ff68967	87
hexley	0:281d6ff68967	88	/* Function: getc
hexley	0:281d6ff68967	89	* Read a character
hexley	0:281d6ff68967	90	*
hexley	0:281d6ff68967	91	* Variables:
hexley	0:281d6ff68967	92	* returns - The character read from the serial port
hexley	0:281d6ff68967	93	*/
hexley	0:281d6ff68967	94	int getc();
hexley	0:281d6ff68967	95
hexley	0:281d6ff68967	96	/* Function: printf
hexley	0:281d6ff68967	97	* Write a formated string
hexley	0:281d6ff68967	98	*
hexley	0:281d6ff68967	99	* Variables:
hexley	0:281d6ff68967	100	* format - A printf-style format string, followed by the
hexley	0:281d6ff68967	101	* variables to use in formating the string.
hexley	0:281d6ff68967	102	*/
hexley	0:281d6ff68967	103	int printf(const char* format, ...);
hexley	0:281d6ff68967	104
hexley	0:281d6ff68967	105	/* Function: scanf
hexley	0:281d6ff68967	106	* Read a formated string
hexley	0:281d6ff68967	107	*
hexley	0:281d6ff68967	108	* Variables:
hexley	0:281d6ff68967	109	* format - A scanf-style format string,
hexley	0:281d6ff68967	110	* followed by the pointers to variables to store the results.
hexley	0:281d6ff68967	111	*/
hexley	0:281d6ff68967	112	int scanf(const char* format, ...);
hexley	0:281d6ff68967	113
hexley	0:281d6ff68967	114	#endif
hexley	0:281d6ff68967	115
hexley	0:281d6ff68967	116	/* Function: readable
hexley	0:281d6ff68967	117	* Determine if there is a character available to read
hexley	0:281d6ff68967	118	*
hexley	0:281d6ff68967	119	* Variables:
hexley	0:281d6ff68967	120	* returns - 1 if there is a character available to read, else 0
hexley	0:281d6ff68967	121	*/
hexley	0:281d6ff68967	122	int readable();
hexley	0:281d6ff68967	123
hexley	0:281d6ff68967	124	/* Function: writeable
hexley	0:281d6ff68967	125	* Determine if there is space available to write a character
hexley	0:281d6ff68967	126	*
hexley	0:281d6ff68967	127	* Variables:
hexley	0:281d6ff68967	128	* returns - 1 if there is space to write a character, else 0
hexley	0:281d6ff68967	129	*/
hexley	0:281d6ff68967	130	int writeable();
hexley	0:281d6ff68967	131
hexley	0:281d6ff68967	132	#ifdef MBED_RPC
hexley	0:281d6ff68967	133	virtual const struct rpc_method *get_rpc_methods();
hexley	0:281d6ff68967	134	static struct rpc_class *get_rpc_class();
hexley	0:281d6ff68967	135	#endif
hexley	0:281d6ff68967	136
hexley	0:281d6ff68967	137	protected:
hexley	0:281d6ff68967	138
hexley	0:281d6ff68967	139	virtual int _getc();
hexley	0:281d6ff68967	140	virtual int _putc(int c);
hexley	0:281d6ff68967	141
hexley	0:281d6ff68967	142	void onReadable();
hexley	0:281d6ff68967	143	void onWriteable();
hexley	0:281d6ff68967	144
hexley	0:281d6ff68967	145	void onEpInTransfer();
hexley	0:281d6ff68967	146	void onEpOutTransfer();
hexley	0:281d6ff68967	147
hexley	0:281d6ff68967	148	private:
hexley	0:281d6ff68967	149
hexley	0:281d6ff68967	150	UsbEndpoint m_epIn;
hexley	0:281d6ff68967	151	UsbEndpoint m_epOut;
hexley	0:281d6ff68967	152
hexley	0:281d6ff68967	153	CDummy* m_pInCbItem;
hexley	0:281d6ff68967	154	void (CDummy::*m_pInCbMeth)();
hexley	0:281d6ff68967	155
hexley	0:281d6ff68967	156	CDummy* m_pOutCbItem;
hexley	0:281d6ff68967	157	void (CDummy::*m_pOutCbMeth)();
hexley	0:281d6ff68967	158
hexley	0:281d6ff68967	159	void startTx();
hexley	0:281d6ff68967	160	void startRx();
hexley	0:281d6ff68967	161
hexley	0:281d6ff68967	162	Timeout m_txTimeout;
hexley	0:281d6ff68967	163	volatile bool m_timeout;
hexley	0:281d6ff68967	164
hexley	0:281d6ff68967	165	volatile char* m_inBufEven;
hexley	0:281d6ff68967	166	volatile char* m_inBufOdd;
hexley	0:281d6ff68967	167	volatile char* m_inBufUsr;
hexley	0:281d6ff68967	168	volatile char* m_inBufTrmt;
hexley	0:281d6ff68967	169
hexley	0:281d6ff68967	170	volatile char* m_outBufEven;
hexley	0:281d6ff68967	171	volatile char* m_outBufOdd;
hexley	0:281d6ff68967	172	volatile char* m_outBufUsr;
hexley	0:281d6ff68967	173	volatile char* m_outBufTrmt;
hexley	0:281d6ff68967	174
hexley	0:281d6ff68967	175	volatile int m_inBufLen;
hexley	0:281d6ff68967	176	volatile int m_outBufLen;
hexley	0:281d6ff68967	177
hexley	0:281d6ff68967	178	volatile char* m_pInBufPos;
hexley	0:281d6ff68967	179	volatile char* m_pOutBufPos;
hexley	0:281d6ff68967	180
hexley	0:281d6ff68967	181
hexley	0:281d6ff68967	182
hexley	0:281d6ff68967	183	};
hexley	0:281d6ff68967	184
hexley	0:281d6ff68967	185	}
hexley	0:281d6ff68967	186
hexley	0:281d6ff68967	187
hexley	0:281d6ff68967	188
hexley	0:281d6ff68967	189	#endif

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Type:	Library
Created:	19 Nov 2010
Imports:	44
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	1

drv/serial/usb/UsbSerial.h@0:281d6ff68967, 2010-11-19 (annotated)

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