USBCDC - Port of Keils USBCDC example, compiles ok. Gets s…

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Jason Engelman / Mbed 2 deprecated USBCDC

Port of Keils USBCDC example, compiles ok. Gets stuck at init

main.cpp@0:0b777ff85deb, 2010-07-05 (annotated)

Committer:: tecnosys
Date:: Mon Jul 05 10:16:57 2010 +0000
Revision:: 0:0b777ff85deb

Who changed what in which revision?

User	Revision	Line number	New contents of line
tecnosys	0:0b777ff85deb	1	#include "mbed.h"
tecnosys	0:0b777ff85deb	2	/*----------------------------------------------------------------------------
tecnosys	0:0b777ff85deb	3	* Name: vcomdemo.c
tecnosys	0:0b777ff85deb	4	* Purpose: USB virtual COM port Demo
tecnosys	0:0b777ff85deb	5	* Version: V1.20
tecnosys	0:0b777ff85deb	6	*----------------------------------------------------------------------------
tecnosys	0:0b777ff85deb	7	* This software is supplied "AS IS" without any warranties, express,
tecnosys	0:0b777ff85deb	8	* implied or statutory, including but not limited to the implied
tecnosys	0:0b777ff85deb	9	* warranties of fitness for purpose, satisfactory quality and
tecnosys	0:0b777ff85deb	10	* noninfringement. Keil extends you a royalty-free right to reproduce
tecnosys	0:0b777ff85deb	11	* and distribute executable files created using this software for use
tecnosys	0:0b777ff85deb	12	* on NXP Semiconductors LPC microcontroller devices only. Nothing else
tecnosys	0:0b777ff85deb	13	* gives you the right to use this software.
tecnosys	0:0b777ff85deb	14	*
tecnosys	0:0b777ff85deb	15	* Copyright (c) 2009 Keil - An ARM Company. All rights reserved.
tecnosys	0:0b777ff85deb	16	---------------------------------------------------------------------------/
tecnosys	0:0b777ff85deb	17
tecnosys	0:0b777ff85deb	18	#include "LPC17xx.h"
tecnosys	0:0b777ff85deb	19	//#include "LPC23xx.h"
tecnosys	0:0b777ff85deb	20	#include "type.h"
tecnosys	0:0b777ff85deb	21
tecnosys	0:0b777ff85deb	22	#include "usb.h"
tecnosys	0:0b777ff85deb	23	#include "usbcfg.h"
tecnosys	0:0b777ff85deb	24	#include "usbhw.h"
tecnosys	0:0b777ff85deb	25	#include "usbcore.h"
tecnosys	0:0b777ff85deb	26	#include "cdc.h"
tecnosys	0:0b777ff85deb	27	#include "cdcuser.h"
tecnosys	0:0b777ff85deb	28	#include "serial.h"
tecnosys	0:0b777ff85deb	29	#include "vcomdemo.h"
tecnosys	0:0b777ff85deb	30
tecnosys	0:0b777ff85deb	31
tecnosys	0:0b777ff85deb	32	/*----------------------------------------------------------------------------
tecnosys	0:0b777ff85deb	33	Initialises the VCOM port.
tecnosys	0:0b777ff85deb	34	Call this function before using VCOM_putchar or VCOM_getchar
tecnosys	0:0b777ff85deb	35	---------------------------------------------------------------------------/
tecnosys	0:0b777ff85deb	36	void VCOM_Init(void) {
tecnosys	0:0b777ff85deb	37	#if PORT_NUM
tecnosys	0:0b777ff85deb	38	CDC_Init (1);
tecnosys	0:0b777ff85deb	39	#else
tecnosys	0:0b777ff85deb	40	CDC_Init (0);
tecnosys	0:0b777ff85deb	41	#endif
tecnosys	0:0b777ff85deb	42	}
tecnosys	0:0b777ff85deb	43
tecnosys	0:0b777ff85deb	44
tecnosys	0:0b777ff85deb	45	/*----------------------------------------------------------------------------
tecnosys	0:0b777ff85deb	46	Reads character from serial port buffer and writes to USB buffer
tecnosys	0:0b777ff85deb	47	---------------------------------------------------------------------------/
tecnosys	0:0b777ff85deb	48	void VCOM_Serial2Usb(void) {
tecnosys	0:0b777ff85deb	49	static char serBuf [USB_CDC_BUFSIZE];
tecnosys	0:0b777ff85deb	50	int numBytesRead, numAvailByte;
tecnosys	0:0b777ff85deb	51
tecnosys	0:0b777ff85deb	52	ser_AvailChar (&numAvailByte);
tecnosys	0:0b777ff85deb	53	if (numAvailByte > 0) {
tecnosys	0:0b777ff85deb	54	if (CDC_DepInEmpty) {
tecnosys	0:0b777ff85deb	55	numBytesRead = ser_Read (&serBuf[0], &numAvailByte);
tecnosys	0:0b777ff85deb	56
tecnosys	0:0b777ff85deb	57	CDC_DepInEmpty = 0;
tecnosys	0:0b777ff85deb	58	USB_WriteEP (CDC_DEP_IN, (unsigned char *)&serBuf[0], numBytesRead);
tecnosys	0:0b777ff85deb	59	}
tecnosys	0:0b777ff85deb	60	}
tecnosys	0:0b777ff85deb	61
tecnosys	0:0b777ff85deb	62	}
tecnosys	0:0b777ff85deb	63
tecnosys	0:0b777ff85deb	64	/*----------------------------------------------------------------------------
tecnosys	0:0b777ff85deb	65	Reads character from USB buffer and writes to serial port buffer
tecnosys	0:0b777ff85deb	66	---------------------------------------------------------------------------/
tecnosys	0:0b777ff85deb	67	void VCOM_Usb2Serial(void) {
tecnosys	0:0b777ff85deb	68	static char serBuf [32];
tecnosys	0:0b777ff85deb	69	int numBytesToRead, numBytesRead, numAvailByte;
tecnosys	0:0b777ff85deb	70
tecnosys	0:0b777ff85deb	71	CDC_OutBufAvailChar (&numAvailByte);
tecnosys	0:0b777ff85deb	72	if (numAvailByte > 0) {
tecnosys	0:0b777ff85deb	73	numBytesToRead = numAvailByte > 32 ? 32 : numAvailByte;
tecnosys	0:0b777ff85deb	74	numBytesRead = CDC_RdOutBuf (&serBuf[0], &numBytesToRead);
tecnosys	0:0b777ff85deb	75	#if PORT_NUM
tecnosys	0:0b777ff85deb	76	ser_Write (1, &serBuf[0], &numBytesRead);
tecnosys	0:0b777ff85deb	77	#else
tecnosys	0:0b777ff85deb	78	ser_Write (0, &serBuf[0], &numBytesRead);
tecnosys	0:0b777ff85deb	79	#endif
tecnosys	0:0b777ff85deb	80	}
tecnosys	0:0b777ff85deb	81
tecnosys	0:0b777ff85deb	82	}
tecnosys	0:0b777ff85deb	83
tecnosys	0:0b777ff85deb	84
tecnosys	0:0b777ff85deb	85	/*----------------------------------------------------------------------------
tecnosys	0:0b777ff85deb	86	checks the serial state and initiates notification
tecnosys	0:0b777ff85deb	87	---------------------------------------------------------------------------/
tecnosys	0:0b777ff85deb	88	void VCOM_CheckSerialState (void) {
tecnosys	0:0b777ff85deb	89	unsigned short temp;
tecnosys	0:0b777ff85deb	90	static unsigned short serialState;
tecnosys	0:0b777ff85deb	91
tecnosys	0:0b777ff85deb	92	temp = CDC_GetSerialState();
tecnosys	0:0b777ff85deb	93	if (serialState != temp) {
tecnosys	0:0b777ff85deb	94	serialState = temp;
tecnosys	0:0b777ff85deb	95	CDC_NotificationIn(); // send SERIAL_STATE notification
tecnosys	0:0b777ff85deb	96	}
tecnosys	0:0b777ff85deb	97	}
tecnosys	0:0b777ff85deb	98
tecnosys	0:0b777ff85deb	99	/*----------------------------------------------------------------------------
tecnosys	0:0b777ff85deb	100	Main Program
tecnosys	0:0b777ff85deb	101	---------------------------------------------------------------------------/
tecnosys	0:0b777ff85deb	102	int main (void) {
tecnosys	0:0b777ff85deb	103
tecnosys	0:0b777ff85deb	104	SystemInit();
tecnosys	0:0b777ff85deb	105
tecnosys	0:0b777ff85deb	106	VCOM_Init(); // VCOM Initialization
tecnosys	0:0b777ff85deb	107
tecnosys	0:0b777ff85deb	108	USB_Init(); // USB Initialization
tecnosys	0:0b777ff85deb	109	USB_Connect(TRUE); // USB Connect
tecnosys	0:0b777ff85deb	110
tecnosys	0:0b777ff85deb	111	while (!USB_Configuration) ; // wait until USB is configured
tecnosys	0:0b777ff85deb	112
tecnosys	0:0b777ff85deb	113	while (1) { // Loop forever
tecnosys	0:0b777ff85deb	114	VCOM_Serial2Usb(); // read serial port and initiate USB event
tecnosys	0:0b777ff85deb	115	VCOM_CheckSerialState();
tecnosys	0:0b777ff85deb	116	VCOM_Usb2Serial();
tecnosys	0:0b777ff85deb	117	} // end while
tecnosys	0:0b777ff85deb	118	} // end main ()

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	05 Jul 2010
Imports:	131
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	4

main.cpp@0:0b777ff85deb, 2010-07-05 (annotated)

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