COMPACT_FLASH_2 -

Users » emh203 » Code » COMPACT_FLASH_2

Eli Hughes / Mbed 2 deprecated COMPACT_FLASH_2

USB_HOST/AutoEvents.cpp@0:76427232f435, 2012-02-16 (annotated)

Committer:: emh203
Date:: Thu Feb 16 00:41:26 2012 +0000
Revision:: 0:76427232f435

Who changed what in which revision?

User	Revision	Line number	New contents of line
emh203	0:76427232f435	1
emh203	0:76427232f435	2	/*
emh203	0:76427232f435	3	Copyright (c) 2010 Peter Barrett
emh203	0:76427232f435	4
emh203	0:76427232f435	5	Permission is hereby granted, free of charge, to any person obtaining a copy
emh203	0:76427232f435	6	of this software and associated documentation files (the "Software"), to deal
emh203	0:76427232f435	7	in the Software without restriction, including without limitation the rights
emh203	0:76427232f435	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
emh203	0:76427232f435	9	copies of the Software, and to permit persons to whom the Software is
emh203	0:76427232f435	10	furnished to do so, subject to the following conditions:
emh203	0:76427232f435	11
emh203	0:76427232f435	12	The above copyright notice and this permission notice shall be included in
emh203	0:76427232f435	13	all copies or substantial portions of the Software.
emh203	0:76427232f435	14
emh203	0:76427232f435	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
emh203	0:76427232f435	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
emh203	0:76427232f435	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
emh203	0:76427232f435	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
emh203	0:76427232f435	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
emh203	0:76427232f435	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
emh203	0:76427232f435	21	THE SOFTWARE.
emh203	0:76427232f435	22	*/
emh203	0:76427232f435	23
emh203	0:76427232f435	24	#include "mbed.h"
emh203	0:76427232f435	25	#include "USBHost.h"
emh203	0:76427232f435	26	#include "Utils.h"
emh203	0:76427232f435	27	#include "Terminal.h"
emh203	0:76427232f435	28
emh203	0:76427232f435	29
emh203	0:76427232f435	30	#define AUTOEVT(_class,_subclass,_protocol) (((_class) << 16) \| ((_subclass) << 8) \| _protocol)
emh203	0:76427232f435	31	#define AUTO_KEYBOARD AUTOEVT(CLASS_HID,1,1)
emh203	0:76427232f435	32	#define AUTO_MOUSE AUTOEVT(CLASS_HID,1,2)
emh203	0:76427232f435	33
emh203	0:76427232f435	34	u8 auto_mouse[4]; // buttons,dx,dy,scroll
emh203	0:76427232f435	35	u8 auto_keyboard[8]; // modifiers,reserved,keycode1..keycode6
emh203	0:76427232f435	36	u8 auto_joystick[4]; // x,y,buttons,throttle
emh203	0:76427232f435	37
emh203	0:76427232f435	38	void AutoEventCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
emh203	0:76427232f435	39	{
emh203	0:76427232f435	40	int evt = (int)userData;
emh203	0:76427232f435	41	switch (evt)
emh203	0:76427232f435	42	{
emh203	0:76427232f435	43	case AUTO_KEYBOARD:
emh203	0:76427232f435	44	pc.printf("AUTO_KEYBOARD ");
emh203	0:76427232f435	45	break;
emh203	0:76427232f435	46	case AUTO_MOUSE:
emh203	0:76427232f435	47	pc.printf("AUTO_MOUSE ");
emh203	0:76427232f435	48	break;
emh203	0:76427232f435	49	default:
emh203	0:76427232f435	50	pc.printf("HUH ");
emh203	0:76427232f435	51	}
emh203	0:76427232f435	52	printfBytes("data",data,len);
emh203	0:76427232f435	53	USBInterruptTransfer(device,endpoint,data,len,AutoEventCallback,userData);
emh203	0:76427232f435	54	}
emh203	0:76427232f435	55
emh203	0:76427232f435	56	// Establish transfers for interrupt events
emh203	0:76427232f435	57	void AddAutoEvent(int device, InterfaceDescriptor* id, EndpointDescriptor* ed)
emh203	0:76427232f435	58	{
emh203	0:76427232f435	59	if ((ed->bmAttributes & 3) != ENDPOINT_INTERRUPT \|\| !(ed->bEndpointAddress & 0x80))
emh203	0:76427232f435	60	return;
emh203	0:76427232f435	61
emh203	0:76427232f435	62	// Make automatic interrupt enpoints for known devices
emh203	0:76427232f435	63	u32 evt = AUTOEVT(id->bInterfaceClass,id->bInterfaceSubClass,id->bInterfaceProtocol);
emh203	0:76427232f435	64	u8* dst = 0;
emh203	0:76427232f435	65	int len;
emh203	0:76427232f435	66	switch (evt)
emh203	0:76427232f435	67	{
emh203	0:76427232f435	68	case AUTO_MOUSE:
emh203	0:76427232f435	69	dst = auto_mouse;
emh203	0:76427232f435	70	len = sizeof(auto_mouse);
emh203	0:76427232f435	71	break;
emh203	0:76427232f435	72	case AUTO_KEYBOARD:
emh203	0:76427232f435	73	dst = auto_keyboard;
emh203	0:76427232f435	74	len = sizeof(auto_keyboard);
emh203	0:76427232f435	75	break;
emh203	0:76427232f435	76	default:
emh203	0:76427232f435	77	pc.printf("Interrupt endpoint %02X %08X\r\n",ed->bEndpointAddress,evt);
emh203	0:76427232f435	78	break;
emh203	0:76427232f435	79	}
emh203	0:76427232f435	80	if (dst)
emh203	0:76427232f435	81	{
emh203	0:76427232f435	82	pc.printf("Auto Event for %02X %08X\r\n",ed->bEndpointAddress,evt);
emh203	0:76427232f435	83	USBInterruptTransfer(device,ed->bEndpointAddress,dst,len,AutoEventCallback,(void*)evt);
emh203	0:76427232f435	84	}
emh203	0:76427232f435	85	}
emh203	0:76427232f435	86
emh203	0:76427232f435	87	void PrintString(int device, int i)
emh203	0:76427232f435	88	{
emh203	0:76427232f435	89	u8 buffer[256];
emh203	0:76427232f435	90	int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,i,buffer,255);
emh203	0:76427232f435	91	if (le < 0)
emh203	0:76427232f435	92	return;
emh203	0:76427232f435	93	char* dst = (char*)buffer;
emh203	0:76427232f435	94	for (int j = 2; j < le; j += 2)
emh203	0:76427232f435	95	*dst++ = buffer[j];
emh203	0:76427232f435	96	*dst = 0;d
emh203	0:76427232f435	97
emh203	0:76427232f435	98
emh203	0:76427232f435	99	pc.printf("%d:%s\r\n",i,(const char*)buffer);
emh203	0:76427232f435	100	}
emh203	0:76427232f435	101
emh203	0:76427232f435	102	// Walk descriptors and create endpoints for a given device
emh203	0:76427232f435	103	int StartAutoEvent(int device, int configuration, int interfaceNumber)
emh203	0:76427232f435	104	{
emh203	0:76427232f435	105	u8 buffer[255];
emh203	0:76427232f435	106	int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,255);
emh203	0:76427232f435	107	if (err < 0)
emh203	0:76427232f435	108	return err;
emh203	0:76427232f435	109
emh203	0:76427232f435	110	int len = buffer[2] \| (buffer[3] << 8);
emh203	0:76427232f435	111	u8* d = buffer;
emh203	0:76427232f435	112	u8* end = d + len;
emh203	0:76427232f435	113	while (d < end)
emh203	0:76427232f435	114	{
emh203	0:76427232f435	115	if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
emh203	0:76427232f435	116	{
emh203	0:76427232f435	117	InterfaceDescriptor* id = (InterfaceDescriptor*)d;
emh203	0:76427232f435	118	if (id->bInterfaceNumber == interfaceNumber)
emh203	0:76427232f435	119	{
emh203	0:76427232f435	120	d += d[0];
emh203	0:76427232f435	121	while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
emh203	0:76427232f435	122	{
emh203	0:76427232f435	123	if (d[1] == DESCRIPTOR_TYPE_ENDPOINT)
emh203	0:76427232f435	124	AddAutoEvent(device,id,(EndpointDescriptor*)d);
emh203	0:76427232f435	125	d += d[0];
emh203	0:76427232f435	126	}
emh203	0:76427232f435	127	}
emh203	0:76427232f435	128	}
emh203	0:76427232f435	129	d += d[0];
emh203	0:76427232f435	130	}
emh203	0:76427232f435	131	return 0;
emh203	0:76427232f435	132	}
emh203	0:76427232f435	133
emh203	0:76427232f435	134	// Implemented in main.cpp
emh203	0:76427232f435	135	int OnDiskInsert(int device)
emh203	0:76427232f435	136	{
emh203	0:76427232f435	137	pc.printf("\r\nOn Disk Insert Device %d\r\n",device);
emh203	0:76427232f435	138
emh203	0:76427232f435	139	USB_Disk_Device = device;
emh203	0:76427232f435	140	USB_Disk_Detected = 1;
emh203	0:76427232f435	141
emh203	0:76427232f435	142	return 0;
emh203	0:76427232f435	143	}
emh203	0:76427232f435	144
emh203	0:76427232f435	145	EndpointDescriptor* GetNextEndpoint(unsigned char *d) {
emh203	0:76427232f435	146	while (d) {
emh203	0:76427232f435	147	switch (d[1]) {
emh203	0:76427232f435	148	case DESCRIPTOR_TYPE_INTERFACE:
emh203	0:76427232f435	149	case DESCRIPTOR_TYPE_CONFIGURATION:
emh203	0:76427232f435	150	return 0;
emh203	0:76427232f435	151	case DESCRIPTOR_TYPE_ENDPOINT:
emh203	0:76427232f435	152	return (EndpointDescriptor*)d;
emh203	0:76427232f435	153	default:
emh203	0:76427232f435	154	printf("Skipping descriptor %02X (%d bytes)\n",d[1],d[0]);
emh203	0:76427232f435	155	}
emh203	0:76427232f435	156	d += d[0];
emh203	0:76427232f435	157	}
emh203	0:76427232f435	158	return 0;
emh203	0:76427232f435	159	}
emh203	0:76427232f435	160
emh203	0:76427232f435	161	EndpointDescriptor* GetEndpoint(InterfaceDescriptor* interfaceDesc, int i) {
emh203	0:76427232f435	162	unsigned char d = (unsigned char)interfaceDesc;
emh203	0:76427232f435	163	int n = interfaceDesc->bNumEndpoints;
emh203	0:76427232f435	164	int j = 0;
emh203	0:76427232f435	165	if (i >= n)
emh203	0:76427232f435	166	return 0;
emh203	0:76427232f435	167	d += d[0];//move to first descriptor after the interface descriptor
emh203	0:76427232f435	168	while (j < n) {
emh203	0:76427232f435	169	switch (d[1]) {
emh203	0:76427232f435	170	case DESCRIPTOR_TYPE_INTERFACE:
emh203	0:76427232f435	171	case DESCRIPTOR_TYPE_CONFIGURATION:
emh203	0:76427232f435	172	return 0;
emh203	0:76427232f435	173	case DESCRIPTOR_TYPE_ENDPOINT:
emh203	0:76427232f435	174	if (i == j)
emh203	0:76427232f435	175	return (EndpointDescriptor*)d;
emh203	0:76427232f435	176	j++;
emh203	0:76427232f435	177	break;
emh203	0:76427232f435	178	default:
emh203	0:76427232f435	179	printf("Skipping descriptor %02X (%d bytes)\n",d[1],d[0]);
emh203	0:76427232f435	180	}
emh203	0:76427232f435	181	d += d[0];
emh203	0:76427232f435	182	}
emh203	0:76427232f435	183	return 0;
emh203	0:76427232f435	184	}
emh203	0:76427232f435	185
emh203	0:76427232f435	186	void OnLoadDevice(int device, DeviceDescriptor* deviceDesc, InterfaceDescriptor* interfaceDesc)
emh203	0:76427232f435	187	{
emh203	0:76427232f435	188	pc.printf("LoadDevice %d %02X:%02X:%02X\r\n",device,interfaceDesc->bInterfaceClass,interfaceDesc->bInterfaceSubClass,interfaceDesc->bInterfaceProtocol);
emh203	0:76427232f435	189	char s[128];
emh203	0:76427232f435	190	for (int i = 1; i < 3; i++)
emh203	0:76427232f435	191	{
emh203	0:76427232f435	192	if (GetString(device,i,s,sizeof(s)) < 0)
emh203	0:76427232f435	193	break;
emh203	0:76427232f435	194	pc.printf("%d: %s\r\n",i,s);
emh203	0:76427232f435	195	}
emh203	0:76427232f435	196
emh203	0:76427232f435	197	switch (interfaceDesc->bInterfaceClass)
emh203	0:76427232f435	198	{
emh203	0:76427232f435	199	case CLASS_MASS_STORAGE:
emh203	0:76427232f435	200
emh203	0:76427232f435	201
emh203	0:76427232f435	202	pc.printf("interfaceDesc->bInterfaceSubClass %X\r\n",interfaceDesc->bInterfaceSubClass);
emh203	0:76427232f435	203	pc.printf("interfaceDesc->bInterfaceProtocol %X\r\n",interfaceDesc->bInterfaceProtocol);
emh203	0:76427232f435	204
emh203	0:76427232f435	205	if (interfaceDesc->bInterfaceSubClass == 0x06 && interfaceDesc->bInterfaceProtocol == 0x50)
emh203	0:76427232f435	206	{
emh203	0:76427232f435	207	unsigned char epin = 0x81;
emh203	0:76427232f435	208	unsigned char epout = 0x01;
emh203	0:76427232f435	209	for (int i = 0; i < interfaceDesc->bNumEndpoints; i++)
emh203	0:76427232f435	210	{
emh203	0:76427232f435	211	EndpointDescriptor* ep = GetEndpoint(interfaceDesc, i);
emh203	0:76427232f435	212	if (ep){
emh203	0:76427232f435	213	if (ep->bEndpointAddress & 0x7F)
emh203	0:76427232f435	214	if (ep->bEndpointAddress & 0x80)
emh203	0:76427232f435	215	epin = ep->bEndpointAddress;
emh203	0:76427232f435	216	else
emh203	0:76427232f435	217	epout = ep->bEndpointAddress;
emh203	0:76427232f435	218	}else break;
emh203	0:76427232f435	219	}
emh203	0:76427232f435	220	OnDiskInsert(device); // it's SCSI!
emh203	0:76427232f435	221	pc.printf("In = %02X, Out = %02X\r\n", epin, epout);
emh203	0:76427232f435	222	SetSCSIEndPoints(epin,epout);
emh203	0:76427232f435	223	}
emh203	0:76427232f435	224
emh203	0:76427232f435	225
emh203	0:76427232f435	226	default:
emh203	0:76427232f435	227	StartAutoEvent(device,1,0);
emh203	0:76427232f435	228	break;
emh203	0:76427232f435	229	}
emh203	0:76427232f435	230	}

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	16 Feb 2012
Imports:	1
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	2
Followers:	1

USB_HOST/AutoEvents.cpp@0:76427232f435, 2012-02-16 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning