/* * 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; }