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USBHID/USBMouse.cpp@0:140cdf8e2d60, 2012-05-30 (annotated)

Committer:: samux
Date:: Wed May 30 18:28:11 2012 +0000
Revision:: 0:140cdf8e2d60

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User	Revision	Line number	New contents of line
samux	0:140cdf8e2d60	1	/* Copyright (c) 2010-2011 mbed.org, MIT License
samux	0:140cdf8e2d60	2	*
samux	0:140cdf8e2d60	3	* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux	0:140cdf8e2d60	4	* and associated documentation files (the "Software"), to deal in the Software without
samux	0:140cdf8e2d60	5	* restriction, including without limitation the rights to use, copy, modify, merge, publish,
samux	0:140cdf8e2d60	6	* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
samux	0:140cdf8e2d60	7	* Software is furnished to do so, subject to the following conditions:
samux	0:140cdf8e2d60	8	*
samux	0:140cdf8e2d60	9	* The above copyright notice and this permission notice shall be included in all copies or
samux	0:140cdf8e2d60	10	* substantial portions of the Software.
samux	0:140cdf8e2d60	11	*
samux	0:140cdf8e2d60	12	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux	0:140cdf8e2d60	13	* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux	0:140cdf8e2d60	14	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux	0:140cdf8e2d60	15	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux	0:140cdf8e2d60	16	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux	0:140cdf8e2d60	17	*/
samux	0:140cdf8e2d60	18
samux	0:140cdf8e2d60	19	#include "stdint.h"
samux	0:140cdf8e2d60	20	#include "USBMouse.h"
samux	0:140cdf8e2d60	21
samux	0:140cdf8e2d60	22	bool USBMouse::update(int16_t x, int16_t y, uint8_t button, int8_t z) {
samux	0:140cdf8e2d60	23	switch (mouse_type) {
samux	0:140cdf8e2d60	24	case REL_MOUSE:
samux	0:140cdf8e2d60	25	while (x > 127) {
samux	0:140cdf8e2d60	26	if (!mouseSend(127, 0, button, z)) return false;
samux	0:140cdf8e2d60	27	x = x - 127;
samux	0:140cdf8e2d60	28	}
samux	0:140cdf8e2d60	29	while (x < -128) {
samux	0:140cdf8e2d60	30	if (!mouseSend(-128, 0, button, z)) return false;
samux	0:140cdf8e2d60	31	x = x + 128;
samux	0:140cdf8e2d60	32	}
samux	0:140cdf8e2d60	33	while (y > 127) {
samux	0:140cdf8e2d60	34	if (!mouseSend(0, 127, button, z)) return false;
samux	0:140cdf8e2d60	35	y = y - 127;
samux	0:140cdf8e2d60	36	}
samux	0:140cdf8e2d60	37	while (y < -128) {
samux	0:140cdf8e2d60	38	if (!mouseSend(0, -128, button, z)) return false;
samux	0:140cdf8e2d60	39	y = y + 128;
samux	0:140cdf8e2d60	40	}
samux	0:140cdf8e2d60	41	return mouseSend(x, y, button, z);
samux	0:140cdf8e2d60	42	case ABS_MOUSE:
samux	0:140cdf8e2d60	43	HID_REPORT report;
samux	0:140cdf8e2d60	44
samux	0:140cdf8e2d60	45	report.data[0] = x & 0xff;
samux	0:140cdf8e2d60	46	report.data[1] = (x >> 8) & 0xff;
samux	0:140cdf8e2d60	47	report.data[2] = y & 0xff;
samux	0:140cdf8e2d60	48	report.data[3] = (y >> 8) & 0xff;
samux	0:140cdf8e2d60	49	report.data[4] = -z;
samux	0:140cdf8e2d60	50	report.data[5] = button & 0x07;
samux	0:140cdf8e2d60	51
samux	0:140cdf8e2d60	52	report.length = 6;
samux	0:140cdf8e2d60	53
samux	0:140cdf8e2d60	54	return send(&report);
samux	0:140cdf8e2d60	55	default:
samux	0:140cdf8e2d60	56	return false;
samux	0:140cdf8e2d60	57	}
samux	0:140cdf8e2d60	58	}
samux	0:140cdf8e2d60	59
samux	0:140cdf8e2d60	60	bool USBMouse::mouseSend(int8_t x, int8_t y, uint8_t buttons, int8_t z) {
samux	0:140cdf8e2d60	61	HID_REPORT report;
samux	0:140cdf8e2d60	62	report.data[0] = buttons & 0x07;
samux	0:140cdf8e2d60	63	report.data[1] = x;
samux	0:140cdf8e2d60	64	report.data[2] = y;
samux	0:140cdf8e2d60	65	report.data[3] = -z; // >0 to scroll down, <0 to scroll up
samux	0:140cdf8e2d60	66
samux	0:140cdf8e2d60	67	report.length = 4;
samux	0:140cdf8e2d60	68
samux	0:140cdf8e2d60	69	return send(&report);
samux	0:140cdf8e2d60	70	}
samux	0:140cdf8e2d60	71
samux	0:140cdf8e2d60	72	bool USBMouse::move(int16_t x, int16_t y) {
samux	0:140cdf8e2d60	73	return update(x, y, button, 0);
samux	0:140cdf8e2d60	74	}
samux	0:140cdf8e2d60	75
samux	0:140cdf8e2d60	76	bool USBMouse::scroll(int8_t z) {
samux	0:140cdf8e2d60	77	return update(0, 0, button, z);
samux	0:140cdf8e2d60	78	}
samux	0:140cdf8e2d60	79
samux	0:140cdf8e2d60	80
samux	0:140cdf8e2d60	81	bool USBMouse::doubleClick() {
samux	0:140cdf8e2d60	82	if (!click(MOUSE_LEFT))
samux	0:140cdf8e2d60	83	return false;
samux	0:140cdf8e2d60	84	wait(0.1);
samux	0:140cdf8e2d60	85	return click(MOUSE_LEFT);
samux	0:140cdf8e2d60	86	}
samux	0:140cdf8e2d60	87
samux	0:140cdf8e2d60	88	bool USBMouse::click(uint8_t button) {
samux	0:140cdf8e2d60	89	if (!update(0, 0, button, 0))
samux	0:140cdf8e2d60	90	return false;
samux	0:140cdf8e2d60	91	wait(0.01);
samux	0:140cdf8e2d60	92	return update(0, 0, 0, 0);
samux	0:140cdf8e2d60	93	}
samux	0:140cdf8e2d60	94
samux	0:140cdf8e2d60	95	bool USBMouse::press(uint8_t button_) {
samux	0:140cdf8e2d60	96	button = button_ & 0x07;
samux	0:140cdf8e2d60	97	return update(0, 0, button, 0);
samux	0:140cdf8e2d60	98	}
samux	0:140cdf8e2d60	99
samux	0:140cdf8e2d60	100	bool USBMouse::release(uint8_t button_) {
samux	0:140cdf8e2d60	101	button = (button & (~button_)) & 0x07;
samux	0:140cdf8e2d60	102	return update(0, 0, button, 0);
samux	0:140cdf8e2d60	103	}
samux	0:140cdf8e2d60	104
samux	0:140cdf8e2d60	105
samux	0:140cdf8e2d60	106	uint8_t * USBMouse::reportDesc() {
samux	0:140cdf8e2d60	107
samux	0:140cdf8e2d60	108	if (mouse_type == REL_MOUSE) {
samux	0:140cdf8e2d60	109	static uint8_t reportDescriptor[] = {
samux	0:140cdf8e2d60	110	USAGE_PAGE(1), 0x01, // Genric Desktop
samux	0:140cdf8e2d60	111	USAGE(1), 0x02, // Mouse
samux	0:140cdf8e2d60	112	COLLECTION(1), 0x01, // Application
samux	0:140cdf8e2d60	113	USAGE(1), 0x01, // Pointer
samux	0:140cdf8e2d60	114	COLLECTION(1), 0x00, // Physical
samux	0:140cdf8e2d60	115
samux	0:140cdf8e2d60	116	REPORT_COUNT(1), 0x03,
samux	0:140cdf8e2d60	117	REPORT_SIZE(1), 0x01,
samux	0:140cdf8e2d60	118	USAGE_PAGE(1), 0x09, // Buttons
samux	0:140cdf8e2d60	119	USAGE_MINIMUM(1), 0x1,
samux	0:140cdf8e2d60	120	USAGE_MAXIMUM(1), 0x3,
samux	0:140cdf8e2d60	121	LOGICAL_MINIMUM(1), 0x00,
samux	0:140cdf8e2d60	122	LOGICAL_MAXIMUM(1), 0x01,
samux	0:140cdf8e2d60	123	INPUT(1), 0x02,
samux	0:140cdf8e2d60	124	REPORT_COUNT(1), 0x01,
samux	0:140cdf8e2d60	125	REPORT_SIZE(1), 0x05,
samux	0:140cdf8e2d60	126	INPUT(1), 0x01,
samux	0:140cdf8e2d60	127
samux	0:140cdf8e2d60	128	REPORT_COUNT(1), 0x03,
samux	0:140cdf8e2d60	129	REPORT_SIZE(1), 0x08,
samux	0:140cdf8e2d60	130	USAGE_PAGE(1), 0x01,
samux	0:140cdf8e2d60	131	USAGE(1), 0x30, // X
samux	0:140cdf8e2d60	132	USAGE(1), 0x31, // Y
samux	0:140cdf8e2d60	133	USAGE(1), 0x38, // scroll
samux	0:140cdf8e2d60	134	LOGICAL_MINIMUM(1), 0x81,
samux	0:140cdf8e2d60	135	LOGICAL_MAXIMUM(1), 0x7f,
samux	0:140cdf8e2d60	136	INPUT(1), 0x06, // Relative data
samux	0:140cdf8e2d60	137
samux	0:140cdf8e2d60	138	END_COLLECTION(0),
samux	0:140cdf8e2d60	139	END_COLLECTION(0),
samux	0:140cdf8e2d60	140	};
samux	0:140cdf8e2d60	141	reportLength = sizeof(reportDescriptor);
samux	0:140cdf8e2d60	142	return reportDescriptor;
samux	0:140cdf8e2d60	143	} else if (mouse_type == ABS_MOUSE) {
samux	0:140cdf8e2d60	144	static uint8_t reportDescriptor[] = {
samux	0:140cdf8e2d60	145
samux	0:140cdf8e2d60	146	USAGE_PAGE(1), 0x01, // Generic Desktop
samux	0:140cdf8e2d60	147	USAGE(1), 0x02, // Mouse
samux	0:140cdf8e2d60	148	COLLECTION(1), 0x01, // Application
samux	0:140cdf8e2d60	149	USAGE(1), 0x01, // Pointer
samux	0:140cdf8e2d60	150	COLLECTION(1), 0x00, // Physical
samux	0:140cdf8e2d60	151
samux	0:140cdf8e2d60	152	USAGE_PAGE(1), 0x01, // Generic Desktop
samux	0:140cdf8e2d60	153	USAGE(1), 0x30, // X
samux	0:140cdf8e2d60	154	USAGE(1), 0x31, // Y
samux	0:140cdf8e2d60	155	LOGICAL_MINIMUM(1), 0x00, // 0
samux	0:140cdf8e2d60	156	LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767
samux	0:140cdf8e2d60	157	REPORT_SIZE(1), 0x10,
samux	0:140cdf8e2d60	158	REPORT_COUNT(1), 0x02,
samux	0:140cdf8e2d60	159	INPUT(1), 0x02, // Data, Variable, Absolute
samux	0:140cdf8e2d60	160
samux	0:140cdf8e2d60	161	USAGE_PAGE(1), 0x01, // Generic Desktop
samux	0:140cdf8e2d60	162	USAGE(1), 0x38, // scroll
samux	0:140cdf8e2d60	163	LOGICAL_MINIMUM(1), 0x81, // -127
samux	0:140cdf8e2d60	164	LOGICAL_MAXIMUM(1), 0x7f, // 127
samux	0:140cdf8e2d60	165	REPORT_SIZE(1), 0x08,
samux	0:140cdf8e2d60	166	REPORT_COUNT(1), 0x01,
samux	0:140cdf8e2d60	167	INPUT(1), 0x06, // Data, Variable, Relative
samux	0:140cdf8e2d60	168
samux	0:140cdf8e2d60	169	USAGE_PAGE(1), 0x09, // Buttons
samux	0:140cdf8e2d60	170	USAGE_MINIMUM(1), 0x01,
samux	0:140cdf8e2d60	171	USAGE_MAXIMUM(1), 0x03,
samux	0:140cdf8e2d60	172	LOGICAL_MINIMUM(1), 0x00, // 0
samux	0:140cdf8e2d60	173	LOGICAL_MAXIMUM(1), 0x01, // 1
samux	0:140cdf8e2d60	174	REPORT_COUNT(1), 0x03,
samux	0:140cdf8e2d60	175	REPORT_SIZE(1), 0x01,
samux	0:140cdf8e2d60	176	INPUT(1), 0x02, // Data, Variable, Absolute
samux	0:140cdf8e2d60	177	REPORT_COUNT(1), 0x01,
samux	0:140cdf8e2d60	178	REPORT_SIZE(1), 0x05,
samux	0:140cdf8e2d60	179	INPUT(1), 0x01, // Constant
samux	0:140cdf8e2d60	180
samux	0:140cdf8e2d60	181	END_COLLECTION(0),
samux	0:140cdf8e2d60	182	END_COLLECTION(0)
samux	0:140cdf8e2d60	183	};
samux	0:140cdf8e2d60	184	reportLength = sizeof(reportDescriptor);
samux	0:140cdf8e2d60	185	return reportDescriptor;
samux	0:140cdf8e2d60	186	}
samux	0:140cdf8e2d60	187	return NULL;
samux	0:140cdf8e2d60	188	}
samux	0:140cdf8e2d60	189
samux	0:140cdf8e2d60	190	#define DEFAULT_CONFIGURATION (1)
samux	0:140cdf8e2d60	191	#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
samux	0:140cdf8e2d60	192	+ (1 * INTERFACE_DESCRIPTOR_LENGTH) \
samux	0:140cdf8e2d60	193	+ (1 * HID_DESCRIPTOR_LENGTH) \
samux	0:140cdf8e2d60	194	+ (2 * ENDPOINT_DESCRIPTOR_LENGTH))
samux	0:140cdf8e2d60	195
samux	0:140cdf8e2d60	196	uint8_t * USBMouse::configurationDesc() {
samux	0:140cdf8e2d60	197	static uint8_t configurationDescriptor[] = {
samux	0:140cdf8e2d60	198	CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
samux	0:140cdf8e2d60	199	CONFIGURATION_DESCRIPTOR, // bDescriptorType
samux	0:140cdf8e2d60	200	LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB)
samux	0:140cdf8e2d60	201	MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB)
samux	0:140cdf8e2d60	202	0x01, // bNumInterfaces
samux	0:140cdf8e2d60	203	DEFAULT_CONFIGURATION, // bConfigurationValue
samux	0:140cdf8e2d60	204	0x00, // iConfiguration
samux	0:140cdf8e2d60	205	C_RESERVED \| C_SELF_POWERED, // bmAttributes
samux	0:140cdf8e2d60	206	C_POWER(0), // bMaxPowerHello World from Mbed
samux	0:140cdf8e2d60	207
samux	0:140cdf8e2d60	208	INTERFACE_DESCRIPTOR_LENGTH, // bLength
samux	0:140cdf8e2d60	209	INTERFACE_DESCRIPTOR, // bDescriptorType
samux	0:140cdf8e2d60	210	0x00, // bInterfaceNumber
samux	0:140cdf8e2d60	211	0x00, // bAlternateSetting
samux	0:140cdf8e2d60	212	0x02, // bNumEndpoints
samux	0:140cdf8e2d60	213	HID_CLASS, // bInterfaceClass
samux	0:140cdf8e2d60	214	1, // bInterfaceSubClass
samux	0:140cdf8e2d60	215	2, // bInterfaceProtocol (mouse)
samux	0:140cdf8e2d60	216	0x00, // iInterface
samux	0:140cdf8e2d60	217
samux	0:140cdf8e2d60	218	HID_DESCRIPTOR_LENGTH, // bLength
samux	0:140cdf8e2d60	219	HID_DESCRIPTOR, // bDescriptorType
samux	0:140cdf8e2d60	220	LSB(HID_VERSION_1_11), // bcdHID (LSB)
samux	0:140cdf8e2d60	221	MSB(HID_VERSION_1_11), // bcdHID (MSB)
samux	0:140cdf8e2d60	222	0x00, // bCountryCode
samux	0:140cdf8e2d60	223	0x01, // bNumDescriptors
samux	0:140cdf8e2d60	224	REPORT_DESCRIPTOR, // bDescriptorType
samux	0:140cdf8e2d60	225	LSB(reportDescLength()), // wDescriptorLength (LSB)
samux	0:140cdf8e2d60	226	MSB(reportDescLength()), // wDescriptorLength (MSB)
samux	0:140cdf8e2d60	227
samux	0:140cdf8e2d60	228	ENDPOINT_DESCRIPTOR_LENGTH, // bLength
samux	0:140cdf8e2d60	229	ENDPOINT_DESCRIPTOR, // bDescriptorType
samux	0:140cdf8e2d60	230	PHY_TO_DESC(EPINT_IN), // bEndpointAddress
samux	0:140cdf8e2d60	231	E_INTERRUPT, // bmAttributes
samux	0:140cdf8e2d60	232	LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
samux	0:140cdf8e2d60	233	MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
samux	0:140cdf8e2d60	234	1, // bInterval (milliseconds)
samux	0:140cdf8e2d60	235
samux	0:140cdf8e2d60	236	ENDPOINT_DESCRIPTOR_LENGTH, // bLength
samux	0:140cdf8e2d60	237	ENDPOINT_DESCRIPTOR, // bDescriptorType
samux	0:140cdf8e2d60	238	PHY_TO_DESC(EPINT_OUT), // bEndpointAddress
samux	0:140cdf8e2d60	239	E_INTERRUPT, // bmAttributes
samux	0:140cdf8e2d60	240	LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
samux	0:140cdf8e2d60	241	MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
samux	0:140cdf8e2d60	242	1, // bInterval (milliseconds)
samux	0:140cdf8e2d60	243	};
samux	0:140cdf8e2d60	244	return configurationDescriptor;
samux	0:140cdf8e2d60	245	}

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Type:	Library
Created:	02 Nov 2011
Imports:	753
Forks:	4
Commits:	1
Dependents:	7
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USBHID/USBMouse.cpp@0:140cdf8e2d60, 2012-05-30 (annotated)

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