USBJoystick updated for 32 buttons and added wait-for-connect.
USBJoystick.cpp
- Committer:
- gagarinlg
- Date:
- 2021-08-01
- Revision:
- 2:de0ca539fa79
- Parent:
- 1:f44ae6479bfe
- Child:
- 3:1f1c9178c55e
File content as of revision 2:de0ca539fa79:
/* mbed USBJoystick Library * Copyright (c) 2012, v01: Initial version, WH, * Modified USBMouse code ARM Limited. * (c) 2010-2011 mbed.org, MIT License * 2016, v02: Updated USBDevice Lib, Added waitForConnect, Updated 32 bits button * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, inclumosig without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUmosiG BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "stdint.h" #include "USBJoystick.h" #include "../buffer_builder.hpp" bool USBJoystick::update(int16_t t, int16_t r, int16_t x, int16_t y, uint32_t buttons, uint8_t hat) { _t = t; _r = r; _x = x; _y = y; _buttons = buttons; _hat = hat; return update(); } bool USBJoystick::update() { HID_REPORT report; uint8_t* data = &report.data[0]; buffer_builder::put_u16le(data, _t); buffer_builder::put_u16le(data, _r); buffer_builder::put_u16le(data, _x); buffer_builder::put_u16le(data, _y); buffer_builder::put_u16le(data, _t); // buffer_builder::put_u16le(data, 0x5678); #if (BUTTONS4 == 1 && 0) //Hat and 4 Buttons // report.data[4] = ((_buttons & 0x0f) << 4) | (_hat & 0x0f) ; // report.length = 5; //Use 4 bit padding for hat4 or hat8 buffer_builder::put_u8(data, _hat); //Use 4 bit padding for buttons buffer_builder::put_u8(data, _buttons); #endif #if (BUTTONS8 == 1 && 0) //Hat and first 4 Buttons // report.data[4] = ((_buttons & 0x0f) << 4) | (_hat & 0x0f) ; // //Use bit padding for last 4 Buttons // report.data[5] = (_buttons & 0xf0) >> 4; // report.length = 6; //Use 4 bit padding for hat4 or hat8 buffer_builder::put_u8(data, _hat); //Use 8 bits for buttons buffer_builder::put_u8(data, _buttons); #endif #if (BUTTONS32 == 1 && 0) //Use 4 bit padding for hat4 or hat8 // report.data[4] = (_hat & 0x0f) ; // buffer_builder::put_u8(data, _hat); //No bit padding for 32 buttons // buffer_builder::put_u32le(data, _buttons); #endif report.length = data - &report.data[0]; return send(&report); } bool USBJoystick::throttle(int16_t t) { _t = t; return update(); } bool USBJoystick::rudder(int16_t r) { _r = r; return update(); } bool USBJoystick::move(int16_t x, int16_t y) { _x = x; _y = y; return update(); } bool USBJoystick::buttons(uint32_t buttons) { _buttons = buttons; return update(); } bool USBJoystick::hat(uint8_t hat) { _hat = hat; return update(); } void USBJoystick::_init() { _t = -127; _r = -127; _x = 0; _y = 0; _buttons = 0x00000000; _hat = 0x00; } uint8_t * USBJoystick::reportDesc() { static uint8_t reportDescriptor[] = { USAGE_PAGE(1), 0x01, // Generic Desktop USAGE(1), 0x04, // Usage (Joystick) COLLECTION(1), 0x01, // Application #if 0 USAGE_PAGE(1), 0x02, // Simulation Controls USAGE(1), 0xBB, // Throttle USAGE(1), 0xBA, // Rudder /* LOGICAL_MINIMUM(1), 0x81, // -127 LOGICAL_MAXIMUM(1), 0x7f, // 127 REPORT_SIZE(1), 0x08, */ LOGICAL_MINIMUM(2), 0x01, 0x80, // -32767 LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767 REPORT_SIZE(1), 0x10, REPORT_COUNT(1), 0x02, INPUT(1), 0x02, // Data, Variable, Absolute #endif #if 1 USAGE_PAGE(1), 0x01, // Generic Desktop USAGE(1), 0x30, // X USAGE(1), 0x31, // Y USAGE(1), 0x32, // Z USAGE(1), 0x33, // RX USAGE(1), 0x34, // RY // 8 bit values // LOGICAL_MINIMUM(1), 0x81, // -127 // LOGICAL_MAXIMUM(1), 0x7f, // 127 // REPORT_SIZE(1), 0x08, // REPORT_COUNT(1), 0x04, // INPUT(1), 0x02, // Data, Variable, Absolute // 16 bit values LOGICAL_MINIMUM(2), 0x01, 0x80, // -32767 LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767 REPORT_SIZE(1), 0x10, REPORT_COUNT(1), 0x05, INPUT(1), 0x02, // Data, Variable, Absolute #endif #if (HAT4 == 1 && 0) // 4 Position Hat Switch USAGE(1), 0x39, // Usage (Hat switch) LOGICAL_MINIMUM(1), 0x00, // 0 LOGICAL_MAXIMUM(1), 0x03, // 3 PHYSICAL_MINIMUM(1), 0x00, // Physical_Minimum (0) PHYSICAL_MAXIMUM(2), 0x0E, 0x01, // Physical_Maximum (270) UNIT(1), 0x14, // Unit (Eng Rot:Angular Pos) REPORT_SIZE(1), 0x04, REPORT_COUNT(1), 0x01, INPUT(1), 0x02, // Data, Variable, Absolute #endif #if (HAT8 == 1 && 0) // 8 Position Hat Switch USAGE(1), 0x39, // Usage (Hat switch) LOGICAL_MINIMUM(1), 0x00, // 0 LOGICAL_MAXIMUM(1), 0x07, // 7 PHYSICAL_MINIMUM(1), 0x00, // Physical_Minimum (0) PHYSICAL_MAXIMUM(2), 0x3B, 0x01, // Physical_Maximum (315) UNIT(1), 0x14, // Unit (Eng Rot:Angular Pos) REPORT_SIZE(1), 0x04, REPORT_COUNT(1), 0x01, INPUT(1), 0x02, // Data, Variable, Absolute #endif // Padding 4 bits // REPORT_SIZE(1), 0x01, // REPORT_COUNT(1), 0x04, // INPUT(1), 0x01, // Constant #if (BUTTONS4 == 1) // 4 Buttons USAGE_PAGE(1), 0x09, // Buttons USAGE_MINIMUM(1), 0x01, // 1 USAGE_MAXIMUM(1), 0x04, // 4 LOGICAL_MINIMUM(1), 0x00, // 0 LOGICAL_MAXIMUM(1), 0x01, // 1 REPORT_SIZE(1), 0x01, REPORT_COUNT(1), 0x04, UNIT_EXPONENT(1), 0x00, // Unit_Exponent (0) UNIT(1), 0x00, // Unit (None) INPUT(1), 0x02, // Data, Variable, Absolute // Padding 4 bits REPORT_SIZE(1), 0x01, REPORT_COUNT(1), 0x04, INPUT(1), 0x01, // Constant #endif #if (BUTTONS8 == 1) // 8 Buttons USAGE_PAGE(1), 0x09, // Buttons USAGE_MINIMUM(1), 0x01, // 1 USAGE_MAXIMUM(1), 0x08, // 8 LOGICAL_MINIMUM(1), 0x00, // 0 LOGICAL_MAXIMUM(1), 0x01, // 1 REPORT_SIZE(1), 0x01, REPORT_COUNT(1), 0x08, UNIT_EXPONENT(1), 0x00, // Unit_Exponent (0) UNIT(1), 0x00, // Unit (None) INPUT(1), 0x02, // Data, Variable, Absolute #endif #if (BUTTONS32 == 1 && 0) // 32 Buttons USAGE_PAGE(1), 0x09, // Buttons USAGE_MINIMUM(1), 0x01, // 1 USAGE_MAXIMUM(1), 0x20, // 32 LOGICAL_MINIMUM(1), 0x00, // 0 LOGICAL_MAXIMUM(1), 0x01, // 1 REPORT_SIZE(1), 0x01, REPORT_COUNT(1), 0x20, UNIT_EXPONENT(1), 0x00, // Unit_Exponent (0) UNIT(1), 0x00, // Unit (None) INPUT(1), 0x02, // Data, Variable, Absolute #endif END_COLLECTION(0) }; reportLength = sizeof(reportDescriptor); return reportDescriptor; }