Ad van der Weiden / Mbed 2 deprecated ftusbClass

class library to access fischertechnik interfaces via USB

Dependencies:   FatFileSystem mbed myBlueUSB neigbourhood rfcomm sdp

myUSBHost/AutoEvents.cpp@1:4676e8b9b357, 2013-03-11 (annotated)

Committer:
networker
Date:
Mon Mar 11 08:04:37 2013 +0000
Revision:
1:4676e8b9b357
Parent:
0:7da612835693 
first publication of this experimental class, just for sharing wip

Who changed what in which revision?

UserRevisionLine numberNew contents of line
networker 0:7da612835693 1
networker 0:7da612835693 2 /*
networker 0:7da612835693 3 Copyright (c) 2010 Peter Barrett
networker 0:7da612835693 4
networker 0:7da612835693 5 Permission is hereby granted, free of charge, to any person obtaining a copy
networker 0:7da612835693 6 of this software and associated documentation files (the "Software"), to deal
networker 0:7da612835693 7 in the Software without restriction, including without limitation the rights
networker 0:7da612835693 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
networker 0:7da612835693 9 copies of the Software, and to permit persons to whom the Software is
networker 0:7da612835693 10 furnished to do so, subject to the following conditions:
networker 0:7da612835693 11
networker 0:7da612835693 12 The above copyright notice and this permission notice shall be included in
networker 0:7da612835693 13 all copies or substantial portions of the Software.
networker 0:7da612835693 14
networker 0:7da612835693 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
networker 0:7da612835693 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
networker 0:7da612835693 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
networker 0:7da612835693 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
networker 0:7da612835693 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
networker 0:7da612835693 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
networker 0:7da612835693 21 THE SOFTWARE.
networker 0:7da612835693 22 */
networker 0:7da612835693 23
networker 0:7da612835693 24 #include "mbed.h"
networker 0:7da612835693 25 #include "USBHost.h"
networker 0:7da612835693 26 #include "Utils.h"
networker 0:7da612835693 27 #include "ftusb.h"
networker 0:7da612835693 28
networker 0:7da612835693 29 #define AUTOEVT(_class,_subclass,_protocol) (((_class) << 16) | ((_subclass) << 8) | _protocol)
networker 0:7da612835693 30 #define AUTO_KEYBOARD AUTOEVT(CLASS_HID,1,1)
networker 0:7da612835693 31 #define AUTO_MOUSE AUTOEVT(CLASS_HID,1,2)
networker 0:7da612835693 32 #define AUTO_SERIAL AUTOEVT(CLASS_COMM_AND_CDC_CONTROL,2,1)
networker 0:7da612835693 33
networker 0:7da612835693 34 u8 auto_mouse[4]; // buttons,dx,dy,scroll
networker 0:7da612835693 35 u8 auto_keyboard[8]; // modifiers,reserved,keycode1..keycode6
networker 0:7da612835693 36 u8 auto_joystick[4]; // x,y,buttons,throttle
networker 0:7da612835693 37 u8 auto_serial[8]; //connection speed change structure or uart state bitmap
networker 0:7da612835693 38
networker 0:7da612835693 39 void AutoEventCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
networker 0:7da612835693 40 {
networker 0:7da612835693 41 int evt = (int)userData;
networker 0:7da612835693 42 switch (evt)
networker 0:7da612835693 43 {
networker 0:7da612835693 44 case AUTO_KEYBOARD:
networker 0:7da612835693 45 printf("AUTO_KEYBOARD ");
networker 0:7da612835693 46 break;
networker 0:7da612835693 47 case AUTO_MOUSE:
networker 0:7da612835693 48 printf("AUTO_MOUSE ");
networker 0:7da612835693 49 break;
networker 0:7da612835693 50 case AUTO_SERIAL:
networker 0:7da612835693 51 printf("AUTO_SERIAL %02X", status);
networker 0:7da612835693 52 break;
networker 0:7da612835693 53 default:
networker 0:7da612835693 54 printf("HUH ");
networker 0:7da612835693 55 }
networker 0:7da612835693 56 printfBytes("data",data,len);
networker 0:7da612835693 57 USBInterruptTransfer(device,endpoint,data,len,AutoEventCallback,userData);
networker 0:7da612835693 58 }
networker 0:7da612835693 59
networker 0:7da612835693 60 // Establish transfers for interrupt events
networker 0:7da612835693 61 void AddAutoEvent(int device, InterfaceDescriptor* id, EndpointDescriptor* ed)
networker 0:7da612835693 62 {
networker 0:7da612835693 63 if ((ed->bmAttributes & 3) != ENDPOINT_INTERRUPT || !(ed->bEndpointAddress & 0x80))
networker 0:7da612835693 64 return;
networker 0:7da612835693 65
networker 0:7da612835693 66 // Make automatic interrupt enpoints for known devices
networker 0:7da612835693 67 u32 evt = AUTOEVT(id->bInterfaceClass,id->bInterfaceSubClass,id->bInterfaceProtocol);
networker 0:7da612835693 68 u8* dst = 0;
networker 0:7da612835693 69 int len;
networker 0:7da612835693 70 switch (evt)
networker 0:7da612835693 71 {
networker 0:7da612835693 72 case AUTO_MOUSE:
networker 0:7da612835693 73 dst = auto_mouse;
networker 0:7da612835693 74 len = sizeof(auto_mouse);
networker 0:7da612835693 75 break;
networker 0:7da612835693 76 case AUTO_KEYBOARD:
networker 0:7da612835693 77 dst = auto_keyboard;
networker 0:7da612835693 78 len = sizeof(auto_keyboard);
networker 0:7da612835693 79 break;
networker 0:7da612835693 80 case AUTO_SERIAL:
networker 0:7da612835693 81 dst = auto_serial;
networker 0:7da612835693 82 len = sizeof(auto_serial);
networker 0:7da612835693 83 break;
networker 0:7da612835693 84 default:
networker 0:7da612835693 85 printf("Interrupt endpoint %02X %08X\n",ed->bEndpointAddress,evt);
networker 0:7da612835693 86 break;
networker 0:7da612835693 87 }
networker 0:7da612835693 88 if (dst)
networker 0:7da612835693 89 {
networker 0:7da612835693 90 printf("Auto Event for %02X %08X\n",ed->bEndpointAddress,evt);
networker 0:7da612835693 91 USBInterruptTransfer(device,ed->bEndpointAddress,dst,len,AutoEventCallback,(void*)evt);
networker 0:7da612835693 92 }
networker 0:7da612835693 93 }
networker 0:7da612835693 94
networker 0:7da612835693 95 void PrintString(int device, int i)
networker 0:7da612835693 96 {
networker 0:7da612835693 97 u8 buffer[256];
networker 0:7da612835693 98 int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,i,buffer,255);
networker 0:7da612835693 99 if (le < 0)
networker 0:7da612835693 100 return;
networker 0:7da612835693 101 char* dst = (char*)buffer;
networker 0:7da612835693 102 for (int j = 2; j < le; j += 2)
networker 0:7da612835693 103 *dst++ = buffer[j];
networker 0:7da612835693 104 *dst = 0;
networker 0:7da612835693 105 printf("%d:%s\n",i,(const char*)buffer);
networker 0:7da612835693 106 }
networker 0:7da612835693 107
networker 0:7da612835693 108 // Walk descriptors and create endpoints for a given device
networker 0:7da612835693 109 int StartAutoEvent(int device, int configuration, int interfaceNumber)
networker 0:7da612835693 110 {
networker 0:7da612835693 111 u8 buffer[255];
networker 0:7da612835693 112 int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,255);
networker 0:7da612835693 113 if (err < 0)
networker 0:7da612835693 114 return err;
networker 0:7da612835693 115
networker 0:7da612835693 116 int len = buffer[2] | (buffer[3] << 8);
networker 0:7da612835693 117 u8* d = buffer;
networker 0:7da612835693 118 u8* end = d + len;
networker 0:7da612835693 119 while (d < end)
networker 0:7da612835693 120 {
networker 0:7da612835693 121 if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
networker 0:7da612835693 122 { InterfaceDescriptor* id = (InterfaceDescriptor*)d;
networker 0:7da612835693 123 /*printf("StartAutoEvent device %d, interfaceDescriptor(T=%d, N=%d, C=%02X, S=%02X, P=%02X)\n",
networker 0:7da612835693 124 device, id->bDescriptorType, id->bInterfaceNumber, id->bInterfaceClass, id->bInterfaceSubClass, id->bInterfaceProtocol);
networker 0:7da612835693 125 */
networker 0:7da612835693 126 if (id->bInterfaceNumber == interfaceNumber)
networker 0:7da612835693 127 {
networker 0:7da612835693 128 d += d[0];
networker 0:7da612835693 129 while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
networker 0:7da612835693 130 {
networker 0:7da612835693 131 if (d[1] == DESCRIPTOR_TYPE_ENDPOINT)
networker 0:7da612835693 132 AddAutoEvent(device,id,(EndpointDescriptor*)d);
networker 0:7da612835693 133 d += d[0];
networker 0:7da612835693 134 }
networker 0:7da612835693 135 }
networker 0:7da612835693 136 }
networker 0:7da612835693 137 d += d[0];
networker 0:7da612835693 138 }
networker 0:7da612835693 139 return 0;
networker 0:7da612835693 140 }
networker 0:7da612835693 141
networker 0:7da612835693 142 // Implemented in main.cpp
networker 0:7da612835693 143 int OnDiskInsert(int device);
networker 0:7da612835693 144
networker 0:7da612835693 145 void OnLoadDevice(int device, DeviceDescriptor* deviceDesc, InterfaceDescriptor* interfaceDesc)
networker 0:7da612835693 146 {
networker 0:7da612835693 147 printf("LoadDevice %d %02X:%02X:%02X\n",device,interfaceDesc->bInterfaceClass,interfaceDesc->bInterfaceSubClass,interfaceDesc->bInterfaceProtocol);
networker 0:7da612835693 148 char s[128];
networker 0:7da612835693 149 for (int i = 1; i < 3; i++)
networker 0:7da612835693 150 {
networker 0:7da612835693 151 if (GetString(device,i,s,sizeof(s)) < 0)
networker 0:7da612835693 152 break;
networker 0:7da612835693 153 printf("%d: %s\n",i,s);
networker 0:7da612835693 154 }
networker 0:7da612835693 155
networker 0:7da612835693 156 if (deviceDesc->idVendor == 0x146A || deviceDesc->idVendor == 0x221D) {//Knobloch GMBH or MSC Vertrieb
networker 0:7da612835693 157 OnLoadFtDevice(device, deviceDesc, interfaceDesc);
networker 0:7da612835693 158 return;
networker 0:7da612835693 159 }
networker 0:7da612835693 160 switch (interfaceDesc->bInterfaceClass)
networker 0:7da612835693 161 {
networker 0:7da612835693 162 case CLASS_MASS_STORAGE:
networker 0:7da612835693 163 if (interfaceDesc->bInterfaceSubClass == 0x06 && interfaceDesc->bInterfaceProtocol == 0x50)
networker 0:7da612835693 164 OnDiskInsert(device); // it's SCSI!
networker 0:7da612835693 165 break;
networker 0:7da612835693 166 case CLASS_COMM_AND_CDC_CONTROL:
networker 0:7da612835693 167 if (interfaceDesc->bInterfaceSubClass == 0x02 && interfaceDesc->bInterfaceProtocol == 0x01){
networker 0:7da612835693 168 printf("Found serial device\n");
networker 0:7da612835693 169 //OnSerialInsert(device);
networker 0:7da612835693 170 StartAutoEvent(device,1,0);
networker 0:7da612835693 171 }
networker 0:7da612835693 172 break;
networker 0:7da612835693 173 case CLASS_WIRELESS_CONTROLLER:
networker 0:7da612835693 174 if (interfaceDesc->bInterfaceSubClass == 0x01 && interfaceDesc->bInterfaceProtocol == 0x01)
networker 0:7da612835693 175 OnBluetoothInsert(device); // it's bluetooth!
networker 0:7da612835693 176 break;
networker 0:7da612835693 177 default:
networker 0:7da612835693 178 StartAutoEvent(device,1,0);
networker 0:7da612835693 179 break;
networker 0:7da612835693 180 }
networker 0:7da612835693 181 }