Jack Shao / USBDevice

USB device stack

Fork of USBDevice by mbed official

USBHID/USBMouse.cpp@1:80ab0d068708, 2012-07-17 (annotated)

Committer:
samux
Date:
Tue Jul 17 14:30:29 2012 +0000
Revision:
1:80ab0d068708
Child:
11:eeb3cbbaa996
Update USBDevice lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 1:80ab0d068708 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
samux 1:80ab0d068708 2 *
samux 1:80ab0d068708 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 1:80ab0d068708 4 * and associated documentation files (the "Software"), to deal in the Software without
samux 1:80ab0d068708 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
samux 1:80ab0d068708 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
samux 1:80ab0d068708 7 * Software is furnished to do so, subject to the following conditions:
samux 1:80ab0d068708 8 *
samux 1:80ab0d068708 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 1:80ab0d068708 10 * substantial portions of the Software.
samux 1:80ab0d068708 11 *
samux 1:80ab0d068708 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 1:80ab0d068708 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 1:80ab0d068708 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 1:80ab0d068708 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 1:80ab0d068708 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 1:80ab0d068708 17 */
samux 1:80ab0d068708 18
samux 1:80ab0d068708 19 #include "stdint.h"
samux 1:80ab0d068708 20 #include "USBMouse.h"
samux 1:80ab0d068708 21
samux 1:80ab0d068708 22 bool USBMouse::update(int16_t x, int16_t y, uint8_t button, int8_t z) {
samux 1:80ab0d068708 23 switch (mouse_type) {
samux 1:80ab0d068708 24 case REL_MOUSE:
samux 1:80ab0d068708 25 while (x > 127) {
samux 1:80ab0d068708 26 if (!mouseSend(127, 0, button, z)) return false;
samux 1:80ab0d068708 27 x = x - 127;
samux 1:80ab0d068708 28 }
samux 1:80ab0d068708 29 while (x < -128) {
samux 1:80ab0d068708 30 if (!mouseSend(-128, 0, button, z)) return false;
samux 1:80ab0d068708 31 x = x + 128;
samux 1:80ab0d068708 32 }
samux 1:80ab0d068708 33 while (y > 127) {
samux 1:80ab0d068708 34 if (!mouseSend(0, 127, button, z)) return false;
samux 1:80ab0d068708 35 y = y - 127;
samux 1:80ab0d068708 36 }
samux 1:80ab0d068708 37 while (y < -128) {
samux 1:80ab0d068708 38 if (!mouseSend(0, -128, button, z)) return false;
samux 1:80ab0d068708 39 y = y + 128;
samux 1:80ab0d068708 40 }
samux 1:80ab0d068708 41 return mouseSend(x, y, button, z);
samux 1:80ab0d068708 42 case ABS_MOUSE:
samux 1:80ab0d068708 43 HID_REPORT report;
samux 1:80ab0d068708 44
samux 1:80ab0d068708 45 report.data[0] = x & 0xff;
samux 1:80ab0d068708 46 report.data[1] = (x >> 8) & 0xff;
samux 1:80ab0d068708 47 report.data[2] = y & 0xff;
samux 1:80ab0d068708 48 report.data[3] = (y >> 8) & 0xff;
samux 1:80ab0d068708 49 report.data[4] = -z;
samux 1:80ab0d068708 50 report.data[5] = button & 0x07;
samux 1:80ab0d068708 51
samux 1:80ab0d068708 52 report.length = 6;
samux 1:80ab0d068708 53
samux 1:80ab0d068708 54 return send(&report);
samux 1:80ab0d068708 55 default:
samux 1:80ab0d068708 56 return false;
samux 1:80ab0d068708 57 }
samux 1:80ab0d068708 58 }
samux 1:80ab0d068708 59
samux 1:80ab0d068708 60 bool USBMouse::mouseSend(int8_t x, int8_t y, uint8_t buttons, int8_t z) {
samux 1:80ab0d068708 61 HID_REPORT report;
samux 1:80ab0d068708 62 report.data[0] = buttons & 0x07;
samux 1:80ab0d068708 63 report.data[1] = x;
samux 1:80ab0d068708 64 report.data[2] = y;
samux 1:80ab0d068708 65 report.data[3] = -z; // >0 to scroll down, <0 to scroll up
samux 1:80ab0d068708 66
samux 1:80ab0d068708 67 report.length = 4;
samux 1:80ab0d068708 68
samux 1:80ab0d068708 69 return send(&report);
samux 1:80ab0d068708 70 }
samux 1:80ab0d068708 71
samux 1:80ab0d068708 72 bool USBMouse::move(int16_t x, int16_t y) {
samux 1:80ab0d068708 73 return update(x, y, button, 0);
samux 1:80ab0d068708 74 }
samux 1:80ab0d068708 75
samux 1:80ab0d068708 76 bool USBMouse::scroll(int8_t z) {
samux 1:80ab0d068708 77 return update(0, 0, button, z);
samux 1:80ab0d068708 78 }
samux 1:80ab0d068708 79
samux 1:80ab0d068708 80
samux 1:80ab0d068708 81 bool USBMouse::doubleClick() {
samux 1:80ab0d068708 82 if (!click(MOUSE_LEFT))
samux 1:80ab0d068708 83 return false;
samux 1:80ab0d068708 84 wait(0.1);
samux 1:80ab0d068708 85 return click(MOUSE_LEFT);
samux 1:80ab0d068708 86 }
samux 1:80ab0d068708 87
samux 1:80ab0d068708 88 bool USBMouse::click(uint8_t button) {
samux 1:80ab0d068708 89 if (!update(0, 0, button, 0))
samux 1:80ab0d068708 90 return false;
samux 1:80ab0d068708 91 wait(0.01);
samux 1:80ab0d068708 92 return update(0, 0, 0, 0);
samux 1:80ab0d068708 93 }
samux 1:80ab0d068708 94
samux 1:80ab0d068708 95 bool USBMouse::press(uint8_t button_) {
samux 1:80ab0d068708 96 button = button_ & 0x07;
samux 1:80ab0d068708 97 return update(0, 0, button, 0);
samux 1:80ab0d068708 98 }
samux 1:80ab0d068708 99
samux 1:80ab0d068708 100 bool USBMouse::release(uint8_t button_) {
samux 1:80ab0d068708 101 button = (button & (~button_)) & 0x07;
samux 1:80ab0d068708 102 return update(0, 0, button, 0);
samux 1:80ab0d068708 103 }
samux 1:80ab0d068708 104
samux 1:80ab0d068708 105
samux 1:80ab0d068708 106 uint8_t * USBMouse::reportDesc() {
samux 1:80ab0d068708 107
samux 1:80ab0d068708 108 if (mouse_type == REL_MOUSE) {
samux 1:80ab0d068708 109 static uint8_t reportDescriptor[] = {
samux 1:80ab0d068708 110 USAGE_PAGE(1), 0x01, // Genric Desktop
samux 1:80ab0d068708 111 USAGE(1), 0x02, // Mouse
samux 1:80ab0d068708 112 COLLECTION(1), 0x01, // Application
samux 1:80ab0d068708 113 USAGE(1), 0x01, // Pointer
samux 1:80ab0d068708 114 COLLECTION(1), 0x00, // Physical
samux 1:80ab0d068708 115
samux 1:80ab0d068708 116 REPORT_COUNT(1), 0x03,
samux 1:80ab0d068708 117 REPORT_SIZE(1), 0x01,
samux 1:80ab0d068708 118 USAGE_PAGE(1), 0x09, // Buttons
samux 1:80ab0d068708 119 USAGE_MINIMUM(1), 0x1,
samux 1:80ab0d068708 120 USAGE_MAXIMUM(1), 0x3,
samux 1:80ab0d068708 121 LOGICAL_MINIMUM(1), 0x00,
samux 1:80ab0d068708 122 LOGICAL_MAXIMUM(1), 0x01,
samux 1:80ab0d068708 123 INPUT(1), 0x02,
samux 1:80ab0d068708 124 REPORT_COUNT(1), 0x01,
samux 1:80ab0d068708 125 REPORT_SIZE(1), 0x05,
samux 1:80ab0d068708 126 INPUT(1), 0x01,
samux 1:80ab0d068708 127
samux 1:80ab0d068708 128 REPORT_COUNT(1), 0x03,
samux 1:80ab0d068708 129 REPORT_SIZE(1), 0x08,
samux 1:80ab0d068708 130 USAGE_PAGE(1), 0x01,
samux 1:80ab0d068708 131 USAGE(1), 0x30, // X
samux 1:80ab0d068708 132 USAGE(1), 0x31, // Y
samux 1:80ab0d068708 133 USAGE(1), 0x38, // scroll
samux 1:80ab0d068708 134 LOGICAL_MINIMUM(1), 0x81,
samux 1:80ab0d068708 135 LOGICAL_MAXIMUM(1), 0x7f,
samux 1:80ab0d068708 136 INPUT(1), 0x06, // Relative data
samux 1:80ab0d068708 137
samux 1:80ab0d068708 138 END_COLLECTION(0),
samux 1:80ab0d068708 139 END_COLLECTION(0),
samux 1:80ab0d068708 140 };
samux 1:80ab0d068708 141 reportLength = sizeof(reportDescriptor);
samux 1:80ab0d068708 142 return reportDescriptor;
samux 1:80ab0d068708 143 } else if (mouse_type == ABS_MOUSE) {
samux 1:80ab0d068708 144 static uint8_t reportDescriptor[] = {
samux 1:80ab0d068708 145
samux 1:80ab0d068708 146 USAGE_PAGE(1), 0x01, // Generic Desktop
samux 1:80ab0d068708 147 USAGE(1), 0x02, // Mouse
samux 1:80ab0d068708 148 COLLECTION(1), 0x01, // Application
samux 1:80ab0d068708 149 USAGE(1), 0x01, // Pointer
samux 1:80ab0d068708 150 COLLECTION(1), 0x00, // Physical
samux 1:80ab0d068708 151
samux 1:80ab0d068708 152 USAGE_PAGE(1), 0x01, // Generic Desktop
samux 1:80ab0d068708 153 USAGE(1), 0x30, // X
samux 1:80ab0d068708 154 USAGE(1), 0x31, // Y
samux 1:80ab0d068708 155 LOGICAL_MINIMUM(1), 0x00, // 0
samux 1:80ab0d068708 156 LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767
samux 1:80ab0d068708 157 REPORT_SIZE(1), 0x10,
samux 1:80ab0d068708 158 REPORT_COUNT(1), 0x02,
samux 1:80ab0d068708 159 INPUT(1), 0x02, // Data, Variable, Absolute
samux 1:80ab0d068708 160
samux 1:80ab0d068708 161 USAGE_PAGE(1), 0x01, // Generic Desktop
samux 1:80ab0d068708 162 USAGE(1), 0x38, // scroll
samux 1:80ab0d068708 163 LOGICAL_MINIMUM(1), 0x81, // -127
samux 1:80ab0d068708 164 LOGICAL_MAXIMUM(1), 0x7f, // 127
samux 1:80ab0d068708 165 REPORT_SIZE(1), 0x08,
samux 1:80ab0d068708 166 REPORT_COUNT(1), 0x01,
samux 1:80ab0d068708 167 INPUT(1), 0x06, // Data, Variable, Relative
samux 1:80ab0d068708 168
samux 1:80ab0d068708 169 USAGE_PAGE(1), 0x09, // Buttons
samux 1:80ab0d068708 170 USAGE_MINIMUM(1), 0x01,
samux 1:80ab0d068708 171 USAGE_MAXIMUM(1), 0x03,
samux 1:80ab0d068708 172 LOGICAL_MINIMUM(1), 0x00, // 0
samux 1:80ab0d068708 173 LOGICAL_MAXIMUM(1), 0x01, // 1
samux 1:80ab0d068708 174 REPORT_COUNT(1), 0x03,
samux 1:80ab0d068708 175 REPORT_SIZE(1), 0x01,
samux 1:80ab0d068708 176 INPUT(1), 0x02, // Data, Variable, Absolute
samux 1:80ab0d068708 177 REPORT_COUNT(1), 0x01,
samux 1:80ab0d068708 178 REPORT_SIZE(1), 0x05,
samux 1:80ab0d068708 179 INPUT(1), 0x01, // Constant
samux 1:80ab0d068708 180
samux 1:80ab0d068708 181 END_COLLECTION(0),
samux 1:80ab0d068708 182 END_COLLECTION(0)
samux 1:80ab0d068708 183 };
samux 1:80ab0d068708 184 reportLength = sizeof(reportDescriptor);
samux 1:80ab0d068708 185 return reportDescriptor;
samux 1:80ab0d068708 186 }
samux 1:80ab0d068708 187 return NULL;
samux 1:80ab0d068708 188 }
samux 1:80ab0d068708 189
samux 1:80ab0d068708 190 #define DEFAULT_CONFIGURATION (1)
samux 1:80ab0d068708 191 #define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 192 + (1 * INTERFACE_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 193 + (1 * HID_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 194 + (2 * ENDPOINT_DESCRIPTOR_LENGTH))
samux 1:80ab0d068708 195
samux 1:80ab0d068708 196 uint8_t * USBMouse::configurationDesc() {
samux 1:80ab0d068708 197 static uint8_t configurationDescriptor[] = {
samux 1:80ab0d068708 198 CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
samux 1:80ab0d068708 199 CONFIGURATION_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 200 LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB)
samux 1:80ab0d068708 201 MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB)
samux 1:80ab0d068708 202 0x01, // bNumInterfaces
samux 1:80ab0d068708 203 DEFAULT_CONFIGURATION, // bConfigurationValue
samux 1:80ab0d068708 204 0x00, // iConfiguration
samux 1:80ab0d068708 205 C_RESERVED | C_SELF_POWERED, // bmAttributes
samux 1:80ab0d068708 206 C_POWER(0), // bMaxPowerHello World from Mbed
samux 1:80ab0d068708 207
samux 1:80ab0d068708 208 INTERFACE_DESCRIPTOR_LENGTH, // bLength
samux 1:80ab0d068708 209 INTERFACE_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 210 0x00, // bInterfaceNumber
samux 1:80ab0d068708 211 0x00, // bAlternateSetting
samux 1:80ab0d068708 212 0x02, // bNumEndpoints
samux 1:80ab0d068708 213 HID_CLASS, // bInterfaceClass
samux 1:80ab0d068708 214 1, // bInterfaceSubClass
samux 1:80ab0d068708 215 2, // bInterfaceProtocol (mouse)
samux 1:80ab0d068708 216 0x00, // iInterface
samux 1:80ab0d068708 217
samux 1:80ab0d068708 218 HID_DESCRIPTOR_LENGTH, // bLength
samux 1:80ab0d068708 219 HID_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 220 LSB(HID_VERSION_1_11), // bcdHID (LSB)
samux 1:80ab0d068708 221 MSB(HID_VERSION_1_11), // bcdHID (MSB)
samux 1:80ab0d068708 222 0x00, // bCountryCode
samux 1:80ab0d068708 223 0x01, // bNumDescriptors
samux 1:80ab0d068708 224 REPORT_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 225 LSB(reportDescLength()), // wDescriptorLength (LSB)
samux 1:80ab0d068708 226 MSB(reportDescLength()), // wDescriptorLength (MSB)
samux 1:80ab0d068708 227
samux 1:80ab0d068708 228 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
samux 1:80ab0d068708 229 ENDPOINT_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 230 PHY_TO_DESC(EPINT_IN), // bEndpointAddress
samux 1:80ab0d068708 231 E_INTERRUPT, // bmAttributes
samux 1:80ab0d068708 232 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
samux 1:80ab0d068708 233 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
samux 1:80ab0d068708 234 1, // bInterval (milliseconds)
samux 1:80ab0d068708 235
samux 1:80ab0d068708 236 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
samux 1:80ab0d068708 237 ENDPOINT_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 238 PHY_TO_DESC(EPINT_OUT), // bEndpointAddress
samux 1:80ab0d068708 239 E_INTERRUPT, // bmAttributes
samux 1:80ab0d068708 240 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
samux 1:80ab0d068708 241 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
samux 1:80ab0d068708 242 1, // bInterval (milliseconds)
samux 1:80ab0d068708 243 };
samux 1:80ab0d068708 244 return configurationDescriptor;
samux 1:80ab0d068708 245 }