mbed-os/drivers/source/usb/USBMouse.cpp

350 lines
11 KiB
C++

/*
* Copyright (c) 2018-2019, Arm Limited and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "stdint.h"
#include "USBMouse.h"
#include "ThisThread.h"
#include "usb_phy_api.h"
USBMouse::USBMouse(bool connect_blocking, MOUSE_TYPE mouse_type, uint16_t vendor_id, uint16_t product_id, uint16_t product_release):
USBHID(get_usb_phy(), 0, 0, vendor_id, product_id, product_release)
{
_button = 0;
_mouse_type = mouse_type;
if (connect_blocking) {
USBDevice::connect();
wait_ready();
} else {
init();
}
}
USBMouse::USBMouse(USBPhy *phy, MOUSE_TYPE mouse_type, uint16_t vendor_id, uint16_t product_id, uint16_t product_release):
USBHID(get_usb_phy(), 0, 0, vendor_id, product_id, product_release)
{
_button = 0;
_mouse_type = mouse_type;
}
USBMouse::~USBMouse()
{
deinit();
}
bool USBMouse::update(int16_t x, int16_t y, uint8_t button, int8_t z)
{
bool ret;
switch (_mouse_type) {
case REL_MOUSE:
_mutex.lock();
while (x > 127) {
if (!mouse_send(127, 0, button, z)) {
_mutex.unlock();
return false;
}
x = x - 127;
}
while (x < -128) {
if (!mouse_send(-128, 0, button, z)) {
_mutex.unlock();
return false;
}
x = x + 128;
}
while (y > 127) {
if (!mouse_send(0, 127, button, z)) {
_mutex.unlock();
return false;
}
y = y - 127;
}
while (y < -128) {
if (!mouse_send(0, -128, button, z)) {
_mutex.unlock();
return false;
}
y = y + 128;
}
ret = mouse_send(x, y, button, z);
_mutex.unlock();
return ret;
case ABS_MOUSE:
_mutex.lock();
HID_REPORT report;
report.data[0] = x & 0xff;
report.data[1] = (x >> 8) & 0xff;
report.data[2] = y & 0xff;
report.data[3] = (y >> 8) & 0xff;
report.data[4] = -z;
report.data[5] = button & 0x07;
report.length = 6;
ret = send(&report);
_mutex.unlock();
return ret;
default:
return false;
}
}
bool USBMouse::mouse_send(int8_t x, int8_t y, uint8_t buttons, int8_t z)
{
_mutex.lock();
HID_REPORT report;
report.data[0] = buttons & 0x07;
report.data[1] = x;
report.data[2] = y;
report.data[3] = -z; // >0 to scroll down, <0 to scroll up
report.length = 4;
bool ret = send(&report);
_mutex.unlock();
return ret;
}
bool USBMouse::move(int16_t x, int16_t y)
{
_mutex.lock();
bool ret = update(x, y, _button, 0);
_mutex.unlock();
return ret;
}
bool USBMouse::scroll(int8_t z)
{
_mutex.lock();
bool ret = update(0, 0, _button, z);
_mutex.unlock();
return ret;
}
bool USBMouse::double_click()
{
_mutex.lock();
if (!click(MOUSE_LEFT)) {
_mutex.unlock();
return false;
}
rtos::ThisThread::sleep_for(100);
bool ret = click(MOUSE_LEFT);
_mutex.unlock();
return ret;
}
bool USBMouse::click(uint8_t button)
{
_mutex.lock();
if (!update(0, 0, button, 0)) {
_mutex.unlock();
return false;
}
rtos::ThisThread::sleep_for(10);
bool ret = update(0, 0, 0, 0);
_mutex.unlock();
return ret;
}
bool USBMouse::press(uint8_t button)
{
_mutex.lock();
_button = button & 0x07;
bool ret = update(0, 0, _button, 0);
_mutex.unlock();
return ret;
}
bool USBMouse::release(uint8_t button)
{
_mutex.lock();
_button = (_button & (~button)) & 0x07;
bool ret = update(0, 0, _button, 0);
_mutex.unlock();
return ret;
}
const uint8_t *USBMouse::report_desc()
{
if (_mouse_type == REL_MOUSE) {
static const uint8_t report_descriptor[] = {
USAGE_PAGE(1), 0x01, // Genric Desktop
USAGE(1), 0x02, // Mouse
COLLECTION(1), 0x01, // Application
USAGE(1), 0x01, // Pointer
COLLECTION(1), 0x00, // Physical
REPORT_COUNT(1), 0x03,
REPORT_SIZE(1), 0x01,
USAGE_PAGE(1), 0x09, // Buttons
USAGE_MINIMUM(1), 0x1,
USAGE_MAXIMUM(1), 0x3,
LOGICAL_MINIMUM(1), 0x00,
LOGICAL_MAXIMUM(1), 0x01,
INPUT(1), 0x02,
REPORT_COUNT(1), 0x01,
REPORT_SIZE(1), 0x05,
INPUT(1), 0x01,
REPORT_COUNT(1), 0x03,
REPORT_SIZE(1), 0x08,
USAGE_PAGE(1), 0x01,
USAGE(1), 0x30, // X
USAGE(1), 0x31, // Y
USAGE(1), 0x38, // scroll
LOGICAL_MINIMUM(1), 0x81,
LOGICAL_MAXIMUM(1), 0x7f,
INPUT(1), 0x06, // Relative data
END_COLLECTION(0),
END_COLLECTION(0),
};
reportLength = sizeof(report_descriptor);
return report_descriptor;
} else if (_mouse_type == ABS_MOUSE) {
static const uint8_t report_descriptor[] = {
USAGE_PAGE(1), 0x01, // Generic Desktop
USAGE(1), 0x02, // Mouse
COLLECTION(1), 0x01, // Application
USAGE(1), 0x01, // Pointer
COLLECTION(1), 0x00, // Physical
USAGE_PAGE(1), 0x01, // Generic Desktop
USAGE(1), 0x30, // X
USAGE(1), 0x31, // Y
LOGICAL_MINIMUM(1), 0x00, // 0
LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767
REPORT_SIZE(1), 0x10,
REPORT_COUNT(1), 0x02,
INPUT(1), 0x02, // Data, Variable, Absolute
USAGE_PAGE(1), 0x01, // Generic Desktop
USAGE(1), 0x38, // scroll
LOGICAL_MINIMUM(1), 0x81, // -127
LOGICAL_MAXIMUM(1), 0x7f, // 127
REPORT_SIZE(1), 0x08,
REPORT_COUNT(1), 0x01,
INPUT(1), 0x06, // Data, Variable, Relative
USAGE_PAGE(1), 0x09, // Buttons
USAGE_MINIMUM(1), 0x01,
USAGE_MAXIMUM(1), 0x03,
LOGICAL_MINIMUM(1), 0x00, // 0
LOGICAL_MAXIMUM(1), 0x01, // 1
REPORT_COUNT(1), 0x03,
REPORT_SIZE(1), 0x01,
INPUT(1), 0x02, // Data, Variable, Absolute
REPORT_COUNT(1), 0x01,
REPORT_SIZE(1), 0x05,
INPUT(1), 0x01, // Constant
END_COLLECTION(0),
END_COLLECTION(0)
};
reportLength = sizeof(report_descriptor);
return report_descriptor;
}
return NULL;
}
#define DEFAULT_CONFIGURATION (1)
#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
+ (1 * INTERFACE_DESCRIPTOR_LENGTH) \
+ (1 * HID_DESCRIPTOR_LENGTH) \
+ (2 * ENDPOINT_DESCRIPTOR_LENGTH))
const uint8_t *USBMouse::configuration_desc(uint8_t index)
{
if (index != 0) {
return NULL;
}
uint8_t configuration_descriptor_temp[] = {
CONFIGURATION_DESCRIPTOR_LENGTH, // bLength
CONFIGURATION_DESCRIPTOR, // bDescriptorType
LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB)
MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB)
0x01, // bNumInterfaces
DEFAULT_CONFIGURATION, // bConfigurationValue
0x00, // iConfiguration
C_RESERVED | C_SELF_POWERED, // bmAttributes
C_POWER(0), // bMaxPower
INTERFACE_DESCRIPTOR_LENGTH, // bLength
INTERFACE_DESCRIPTOR, // bDescriptorType
0x00, // bInterfaceNumber
0x00, // bAlternateSetting
0x02, // bNumEndpoints
HID_CLASS, // bInterfaceClass
HID_SUBCLASS_BOOT, // bInterfaceSubClass
HID_PROTOCOL_MOUSE, // bInterfaceProtocol
0x00, // iInterface
HID_DESCRIPTOR_LENGTH, // bLength
HID_DESCRIPTOR, // bDescriptorType
LSB(HID_VERSION_1_11), // bcdHID (LSB)
MSB(HID_VERSION_1_11), // bcdHID (MSB)
0x00, // bCountryCode
0x01, // bNumDescriptors
REPORT_DESCRIPTOR, // bDescriptorType
(uint8_t)(LSB(report_desc_length())), // wDescriptorLength (LSB)
(uint8_t)(MSB(report_desc_length())), // wDescriptorLength (MSB)
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
_int_in, // bEndpointAddress
E_INTERRUPT, // bmAttributes
LSB(MAX_HID_REPORT_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_HID_REPORT_SIZE), // wMaxPacketSize (MSB)
1, // bInterval (milliseconds)
ENDPOINT_DESCRIPTOR_LENGTH, // bLength
ENDPOINT_DESCRIPTOR, // bDescriptorType
_int_out, // bEndpointAddress
E_INTERRUPT, // bmAttributes
LSB(MAX_HID_REPORT_SIZE), // wMaxPacketSize (LSB)
MSB(MAX_HID_REPORT_SIZE), // wMaxPacketSize (MSB)
1, // bInterval (milliseconds)
};
MBED_ASSERT(sizeof(configuration_descriptor_temp) == sizeof(_configuration_descriptor));
memcpy(_configuration_descriptor, configuration_descriptor_temp, sizeof(_configuration_descriptor));
return _configuration_descriptor;
}