Peter Cooper / Mbed 2 deprecated BlueUSB-new

Talking Touch Tablet added to device

Dependencies:   FATFileSystemv2 mbed

Fork of BlueUSB by Peter Barrett

AutoEvents.cpp@1:9d655061fa1e, 2012-10-30 (annotated)

Committer:
lolpcc
Date:
Tue Oct 30 11:42:47 2012 +0000
Revision:
1:9d655061fa1e
Parent:
0:606b230e5b4a 
Modified to work with the Talking Touch Tablet

Who changed what in which revision?

UserRevisionLine numberNew contents of line
peterbarrett1967 0:606b230e5b4a 1
peterbarrett1967 0:606b230e5b4a 2 /*
peterbarrett1967 0:606b230e5b4a 3 Copyright (c) 2010 Peter Barrett
peterbarrett1967 0:606b230e5b4a 4
peterbarrett1967 0:606b230e5b4a 5 Permission is hereby granted, free of charge, to any person obtaining a copy
peterbarrett1967 0:606b230e5b4a 6 of this software and associated documentation files (the "Software"), to deal
peterbarrett1967 0:606b230e5b4a 7 in the Software without restriction, including without limitation the rights
peterbarrett1967 0:606b230e5b4a 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
peterbarrett1967 0:606b230e5b4a 9 copies of the Software, and to permit persons to whom the Software is
peterbarrett1967 0:606b230e5b4a 10 furnished to do so, subject to the following conditions:
peterbarrett1967 0:606b230e5b4a 11
peterbarrett1967 0:606b230e5b4a 12 The above copyright notice and this permission notice shall be included in
peterbarrett1967 0:606b230e5b4a 13 all copies or substantial portions of the Software.
peterbarrett1967 0:606b230e5b4a 14
peterbarrett1967 0:606b230e5b4a 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
peterbarrett1967 0:606b230e5b4a 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
peterbarrett1967 0:606b230e5b4a 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
peterbarrett1967 0:606b230e5b4a 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
peterbarrett1967 0:606b230e5b4a 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
peterbarrett1967 0:606b230e5b4a 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
peterbarrett1967 0:606b230e5b4a 21 THE SOFTWARE.
peterbarrett1967 0:606b230e5b4a 22 */
peterbarrett1967 0:606b230e5b4a 23
peterbarrett1967 0:606b230e5b4a 24 #include "mbed.h"
peterbarrett1967 0:606b230e5b4a 25 #include "USBHost.h"
peterbarrett1967 0:606b230e5b4a 26 #include "Utils.h"
peterbarrett1967 0:606b230e5b4a 27
peterbarrett1967 0:606b230e5b4a 28 #define AUTOEVT(_class,_subclass,_protocol) (((_class) << 16) | ((_subclass) << 8) | _protocol)
peterbarrett1967 0:606b230e5b4a 29 #define AUTO_KEYBOARD AUTOEVT(CLASS_HID,1,1)
peterbarrett1967 0:606b230e5b4a 30 #define AUTO_MOUSE AUTOEVT(CLASS_HID,1,2)
lolpcc 1:9d655061fa1e 31 #define AUTO_TTT AUTOEVT(CLASS_HID,1,3)
peterbarrett1967 0:606b230e5b4a 32
peterbarrett1967 0:606b230e5b4a 33 u8 auto_mouse[4]; // buttons,dx,dy,scroll
peterbarrett1967 0:606b230e5b4a 34 u8 auto_keyboard[8]; // modifiers,reserved,keycode1..keycode6
peterbarrett1967 0:606b230e5b4a 35 u8 auto_joystick[4]; // x,y,buttons,throttle
lolpcc 1:9d655061fa1e 36 u8 auto_ttt[10]; // Talking touch tablet
peterbarrett1967 0:606b230e5b4a 37
peterbarrett1967 0:606b230e5b4a 38 void AutoEventCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
peterbarrett1967 0:606b230e5b4a 39 {
peterbarrett1967 0:606b230e5b4a 40 int evt = (int)userData;
peterbarrett1967 0:606b230e5b4a 41 switch (evt)
peterbarrett1967 0:606b230e5b4a 42 {
peterbarrett1967 0:606b230e5b4a 43 case AUTO_KEYBOARD:
peterbarrett1967 0:606b230e5b4a 44 printf("AUTO_KEYBOARD ");
peterbarrett1967 0:606b230e5b4a 45 break;
peterbarrett1967 0:606b230e5b4a 46 case AUTO_MOUSE:
peterbarrett1967 0:606b230e5b4a 47 printf("AUTO_MOUSE ");
peterbarrett1967 0:606b230e5b4a 48 break;
lolpcc 1:9d655061fa1e 49 case 0x30000:
lolpcc 1:9d655061fa1e 50 printf("AUTO_TTT ");
lolpcc 1:9d655061fa1e 51 break;
peterbarrett1967 0:606b230e5b4a 52 default:
peterbarrett1967 0:606b230e5b4a 53 printf("HUH ");
peterbarrett1967 0:606b230e5b4a 54 }
peterbarrett1967 0:606b230e5b4a 55 printfBytes("data",data,len);
peterbarrett1967 0:606b230e5b4a 56 USBInterruptTransfer(device,endpoint,data,len,AutoEventCallback,userData);
peterbarrett1967 0:606b230e5b4a 57 }
peterbarrett1967 0:606b230e5b4a 58
peterbarrett1967 0:606b230e5b4a 59 // Establish transfers for interrupt events
peterbarrett1967 0:606b230e5b4a 60 void AddAutoEvent(int device, InterfaceDescriptor* id, EndpointDescriptor* ed)
peterbarrett1967 0:606b230e5b4a 61 {
peterbarrett1967 0:606b230e5b4a 62 if ((ed->bmAttributes & 3) != ENDPOINT_INTERRUPT || !(ed->bEndpointAddress & 0x80))
peterbarrett1967 0:606b230e5b4a 63 return;
peterbarrett1967 0:606b230e5b4a 64
peterbarrett1967 0:606b230e5b4a 65 // Make automatic interrupt enpoints for known devices
peterbarrett1967 0:606b230e5b4a 66 u32 evt = AUTOEVT(id->bInterfaceClass,id->bInterfaceSubClass,id->bInterfaceProtocol);
peterbarrett1967 0:606b230e5b4a 67 u8* dst = 0;
peterbarrett1967 0:606b230e5b4a 68 int len;
peterbarrett1967 0:606b230e5b4a 69 switch (evt)
peterbarrett1967 0:606b230e5b4a 70 {
peterbarrett1967 0:606b230e5b4a 71 case AUTO_MOUSE:
peterbarrett1967 0:606b230e5b4a 72 dst = auto_mouse;
peterbarrett1967 0:606b230e5b4a 73 len = sizeof(auto_mouse);
lolpcc 1:9d655061fa1e 74 printf("AUTO_MOUSE, Interrupt endpoint %02X %08X\r\n\r",ed->bEndpointAddress,evt);
lolpcc 1:9d655061fa1e 75 break;
lolpcc 1:9d655061fa1e 76 case 0x30000:
lolpcc 1:9d655061fa1e 77 dst = auto_ttt;
lolpcc 1:9d655061fa1e 78 len = sizeof(auto_ttt);
lolpcc 1:9d655061fa1e 79 printf("AUTO_TTT, Interrupt endpoint %02X %08X\r\n\r",ed->bEndpointAddress,evt);
peterbarrett1967 0:606b230e5b4a 80 break;
peterbarrett1967 0:606b230e5b4a 81 case AUTO_KEYBOARD:
peterbarrett1967 0:606b230e5b4a 82 dst = auto_keyboard;
peterbarrett1967 0:606b230e5b4a 83 len = sizeof(auto_keyboard);
peterbarrett1967 0:606b230e5b4a 84 break;
peterbarrett1967 0:606b230e5b4a 85 default:
lolpcc 1:9d655061fa1e 86 printf("Interrupt endpoint %02X %08X\r\n",ed->bEndpointAddress,evt);
peterbarrett1967 0:606b230e5b4a 87 break;
peterbarrett1967 0:606b230e5b4a 88 }
peterbarrett1967 0:606b230e5b4a 89 if (dst)
peterbarrett1967 0:606b230e5b4a 90 {
lolpcc 1:9d655061fa1e 91 printf("Auto Event for %02X %08X\r\n",ed->bEndpointAddress,evt);
peterbarrett1967 0:606b230e5b4a 92 USBInterruptTransfer(device,ed->bEndpointAddress,dst,len,AutoEventCallback,(void*)evt);
peterbarrett1967 0:606b230e5b4a 93 }
peterbarrett1967 0:606b230e5b4a 94 }
peterbarrett1967 0:606b230e5b4a 95
peterbarrett1967 0:606b230e5b4a 96 void PrintString(int device, int i)
peterbarrett1967 0:606b230e5b4a 97 {
peterbarrett1967 0:606b230e5b4a 98 u8 buffer[256];
peterbarrett1967 0:606b230e5b4a 99 int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,i,buffer,255);
peterbarrett1967 0:606b230e5b4a 100 if (le < 0)
peterbarrett1967 0:606b230e5b4a 101 return;
peterbarrett1967 0:606b230e5b4a 102 char* dst = (char*)buffer;
peterbarrett1967 0:606b230e5b4a 103 for (int j = 2; j < le; j += 2)
peterbarrett1967 0:606b230e5b4a 104 *dst++ = buffer[j];
peterbarrett1967 0:606b230e5b4a 105 *dst = 0;
lolpcc 1:9d655061fa1e 106 printf("%d:%s\r\n",i,(const char*)buffer);
peterbarrett1967 0:606b230e5b4a 107 }
peterbarrett1967 0:606b230e5b4a 108
peterbarrett1967 0:606b230e5b4a 109 // Walk descriptors and create endpoints for a given device
peterbarrett1967 0:606b230e5b4a 110 int StartAutoEvent(int device, int configuration, int interfaceNumber)
peterbarrett1967 0:606b230e5b4a 111 {
peterbarrett1967 0:606b230e5b4a 112 u8 buffer[255];
peterbarrett1967 0:606b230e5b4a 113 int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,255);
peterbarrett1967 0:606b230e5b4a 114 if (err < 0)
peterbarrett1967 0:606b230e5b4a 115 return err;
peterbarrett1967 0:606b230e5b4a 116
peterbarrett1967 0:606b230e5b4a 117 int len = buffer[2] | (buffer[3] << 8);
peterbarrett1967 0:606b230e5b4a 118 u8* d = buffer;
peterbarrett1967 0:606b230e5b4a 119 u8* end = d + len;
peterbarrett1967 0:606b230e5b4a 120 while (d < end)
peterbarrett1967 0:606b230e5b4a 121 {
peterbarrett1967 0:606b230e5b4a 122 if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
peterbarrett1967 0:606b230e5b4a 123 {
peterbarrett1967 0:606b230e5b4a 124 InterfaceDescriptor* id = (InterfaceDescriptor*)d;
peterbarrett1967 0:606b230e5b4a 125 if (id->bInterfaceNumber == interfaceNumber)
peterbarrett1967 0:606b230e5b4a 126 {
peterbarrett1967 0:606b230e5b4a 127 d += d[0];
peterbarrett1967 0:606b230e5b4a 128 while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
peterbarrett1967 0:606b230e5b4a 129 {
peterbarrett1967 0:606b230e5b4a 130 if (d[1] == DESCRIPTOR_TYPE_ENDPOINT)
peterbarrett1967 0:606b230e5b4a 131 AddAutoEvent(device,id,(EndpointDescriptor*)d);
peterbarrett1967 0:606b230e5b4a 132 d += d[0];
peterbarrett1967 0:606b230e5b4a 133 }
peterbarrett1967 0:606b230e5b4a 134 }
peterbarrett1967 0:606b230e5b4a 135 }
peterbarrett1967 0:606b230e5b4a 136 d += d[0];
peterbarrett1967 0:606b230e5b4a 137 }
peterbarrett1967 0:606b230e5b4a 138 return 0;
peterbarrett1967 0:606b230e5b4a 139 }
peterbarrett1967 0:606b230e5b4a 140
peterbarrett1967 0:606b230e5b4a 141 // Implemented in main.cpp
peterbarrett1967 0:606b230e5b4a 142 int OnDiskInsert(int device);
peterbarrett1967 0:606b230e5b4a 143
peterbarrett1967 0:606b230e5b4a 144 // Implemented in TestShell.cpp
peterbarrett1967 0:606b230e5b4a 145 int OnBluetoothInsert(int device);
peterbarrett1967 0:606b230e5b4a 146
peterbarrett1967 0:606b230e5b4a 147 void OnLoadDevice(int device, DeviceDescriptor* deviceDesc, InterfaceDescriptor* interfaceDesc)
peterbarrett1967 0:606b230e5b4a 148 {
lolpcc 1:9d655061fa1e 149 printf("LoadDevice %d %02X:%02X:%02X\r\n",device,interfaceDesc->bInterfaceClass,interfaceDesc->bInterfaceSubClass,interfaceDesc->bInterfaceProtocol);
peterbarrett1967 0:606b230e5b4a 150 char s[128];
peterbarrett1967 0:606b230e5b4a 151 for (int i = 1; i < 3; i++)
peterbarrett1967 0:606b230e5b4a 152 {
peterbarrett1967 0:606b230e5b4a 153 if (GetString(device,i,s,sizeof(s)) < 0)
peterbarrett1967 0:606b230e5b4a 154 break;
lolpcc 1:9d655061fa1e 155 printf("%d: %s\r\n",i,s);
peterbarrett1967 0:606b230e5b4a 156 }
peterbarrett1967 0:606b230e5b4a 157
peterbarrett1967 0:606b230e5b4a 158 switch (interfaceDesc->bInterfaceClass)
peterbarrett1967 0:606b230e5b4a 159 {
peterbarrett1967 0:606b230e5b4a 160 case CLASS_MASS_STORAGE:
peterbarrett1967 0:606b230e5b4a 161 if (interfaceDesc->bInterfaceSubClass == 0x06 && interfaceDesc->bInterfaceProtocol == 0x50)
peterbarrett1967 0:606b230e5b4a 162 OnDiskInsert(device); // it's SCSI!
peterbarrett1967 0:606b230e5b4a 163 break;
peterbarrett1967 0:606b230e5b4a 164 case CLASS_WIRELESS_CONTROLLER:
peterbarrett1967 0:606b230e5b4a 165 if (interfaceDesc->bInterfaceSubClass == 0x01 && interfaceDesc->bInterfaceProtocol == 0x01)
peterbarrett1967 0:606b230e5b4a 166 OnBluetoothInsert(device); // it's bluetooth!
peterbarrett1967 0:606b230e5b4a 167 break;
peterbarrett1967 0:606b230e5b4a 168 default:
peterbarrett1967 0:606b230e5b4a 169 StartAutoEvent(device,1,0);
peterbarrett1967 0:606b230e5b4a 170 break;
peterbarrett1967 0:606b230e5b4a 171 }
peterbarrett1967 0:606b230e5b4a 172 }