2018.07.26
Dependencies: FATFileSystem3 mbed-rtos
Fork of USBHost by
Diff: USBHostHID/USBHostGamepad.h
- Revision:
- 32:e6717a485577
- Child:
- 33:86c22c0c8aae
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostHID/USBHostGamepad.h Tue Jun 02 05:57:44 2015 +0000 @@ -0,0 +1,116 @@ +/* mbed USBHost Gamepad driver sample + * Copyright (c) 2014 Yuuichi Akagawa + * + * modified from mbed USBHostMouse + * + * Copyright (c) 2014 mbed.org, MIT License + * + * 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, including 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, INCLUDING + * 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. + */ + +#ifndef USBHOSTGAMEPAD_H +#define USBHOSTGAMEPAD_H + +#include "USBHostConf.h" + +//#if USBHOST_GAMEPAD + +#include "USBHost.h" +//HID Class Request +#define HID_GET_REPORT 0x01 +#define HID_GET_IDLE 0x02 +#define HID_GET_PROTOCOL 0x03 +#define HID_GET_DESCRIPTOR 0x06 +#define HID_SET_REPORT 0x09 +#define HID_SET_IDLE 0x0a +#define HID_SET_PROTOCOL 0x0b + +/** + * A class to communicate a USB MIDI device + */ +class USBHostGamepad : public IUSBEnumerator { +public: + /** + * Constructor + */ + USBHostGamepad(); + + /** + * Try to connect a gamepad device + * + * @return true if connection was successful + */ + bool connect(); + + /** + * Check if a gamepad is connected + * + * @returns true if a gamepad is connected + */ + bool connected(); + + /** + * Attach a callback called when a gamepad event is received + * + * @param ptr function pointer + */ + inline void attachEvent(void (*ptr)(uint8_t btnX, uint8_t btnY, uint8_t btnABCD, uint8_t btnSpecial)) { + if (ptr != NULL) { + onUpdate = ptr; + } + } + + /** + * Request the HID report descriptor + * + * @param dev request the device descriptor on this device + * @param buf buffer to store the device descriptor + * @param max_len_buf maximum size of buf + * @param len_dev_descr pointer to store the length of the packet transferred + */ + USB_TYPE getReportDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_rep_descr = NULL); + +protected: + //From IUSBEnumerator + virtual void setVidPid(uint16_t vid, uint16_t pid); + virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed + virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used + +private: + USBHost * host; + USBDeviceConnected * dev; + USBEndpoint * int_in; + uint8_t report[8]; + + bool dev_connected; + bool gamepad_device_found; + int gamepad_intf; + + uint8_t btnX; + uint8_t btnY; + uint8_t btnABCD; + uint8_t btnSpecial; + + void rxHandler(); + void (*onUpdate)(uint8_t btnX, uint8_t btnY, uint8_t btnABCD, uint8_t btnSpecial); + int report_id; + void init(); + bool parseHidDescr(); +}; + +//#endif + +#endif