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- /* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
-
- This software may be distributed and modified under the terms of the GNU
- General Public License version 2 (GPL2) as published by the Free Software
- Foundation and appearing in the file GPL2.TXT included in the packaging of
- this file. Please note that GPL2 Section 2[b] requires that all works based
- on this software must also be made publicly available under the terms of
- the GPL2 ("Copyleft").
-
- Contact information
- -------------------
-
- Circuits At Home, LTD
- Web : http://www.circuitsathome.com
- e-mail : [email protected]
- */
-
- /* Google ADK interface support header */
-
- #if !defined(_ADK_H_)
- #define _ADK_H_
-
- #include "Usb.h"
-
- #define ADK_VID 0x18D1
- #define ADK_PID 0x2D00
- #define ADB_PID 0x2D01
-
- #define XOOM //enables repeating getProto() and getConf() attempts
- //necessary for slow devices such as Motorola XOOM
- //defined by default, can be commented out to save memory
-
- /* requests */
-
- #define ADK_GETPROTO 51 //check USB accessory protocol version
- #define ADK_SENDSTR 52 //send identifying string
- #define ADK_ACCSTART 53 //start device in accessory mode
-
- #define bmREQ_ADK_GET USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_VENDOR|USB_SETUP_RECIPIENT_DEVICE
- #define bmREQ_ADK_SEND USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_VENDOR|USB_SETUP_RECIPIENT_DEVICE
-
- #define ACCESSORY_STRING_MANUFACTURER 0
- #define ACCESSORY_STRING_MODEL 1
- #define ACCESSORY_STRING_DESCRIPTION 2
- #define ACCESSORY_STRING_VERSION 3
- #define ACCESSORY_STRING_URI 4
- #define ACCESSORY_STRING_SERIAL 5
-
- #define ADK_MAX_ENDPOINTS 3 //endpoint 0, bulk_IN, bulk_OUT
-
- class ADK;
-
- class ADK : public USBDeviceConfig, public UsbConfigXtracter {
- private:
- /* ID strings */
- const char* manufacturer;
- const char* model;
- const char* description;
- const char* version;
- const char* uri;
- const char* serial;
-
- /* ADK proprietary requests */
- uint8_t getProto(uint8_t* adkproto);
- uint8_t sendStr(uint8_t index, const char* str);
- uint8_t switchAcc(void);
-
- protected:
- static const uint8_t epDataInIndex; // DataIn endpoint index
- static const uint8_t epDataOutIndex; // DataOUT endpoint index
-
- /* mandatory members */
- USB *pUsb;
- uint8_t bAddress;
- uint8_t bConfNum; // configuration number
-
- uint8_t bNumEP; // total number of EP in the configuration
- bool ready;
-
- /* Endpoint data structure */
- EpInfo epInfo[ADK_MAX_ENDPOINTS];
-
- void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr);
-
- public:
- ADK(USB *pUsb, const char* manufacturer,
- const char* model,
- const char* description,
- const char* version,
- const char* uri,
- const char* serial);
-
- // Methods for receiving and sending data
- uint8_t RcvData(uint16_t *nbytesptr, uint8_t *dataptr);
- uint8_t SndData(uint16_t nbytes, uint8_t *dataptr);
-
-
- // USBDeviceConfig implementation
- uint8_t ConfigureDevice(uint8_t parent, uint8_t port, bool lowspeed);
- uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
- uint8_t Release();
-
- virtual uint8_t Poll() {
- return 0;
- };
-
- virtual uint8_t GetAddress() {
- return bAddress;
- };
-
- virtual bool isReady() {
- return ready;
- };
-
- virtual bool VIDPIDOK(uint16_t vid, uint16_t pid) {
- return (vid == ADK_VID && (pid == ADK_PID || pid == ADB_PID));
- };
-
- //UsbConfigXtracter implementation
- void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
- }; //class ADK : public USBDeviceConfig ...
-
- /* get ADK protocol version */
-
- /* returns 2 bytes in *adkproto */
- inline uint8_t ADK::getProto(uint8_t* adkproto) {
- return ( pUsb->ctrlReq(bAddress, 0, bmREQ_ADK_GET, ADK_GETPROTO, 0, 0, 0, 2, 2, adkproto, NULL));
- }
-
- /* send ADK string */
- inline uint8_t ADK::sendStr(uint8_t index, const char* str) {
- return ( pUsb->ctrlReq(bAddress, 0, bmREQ_ADK_SEND, ADK_SENDSTR, 0, 0, index, strlen(str) + 1, strlen(str) + 1, (uint8_t*)str, NULL));
- }
-
- /* switch to accessory mode */
- inline uint8_t ADK::switchAcc(void) {
- return ( pUsb->ctrlReq(bAddress, 0, bmREQ_ADK_SEND, ADK_ACCSTART, 0, 0, 0, 0, 0, NULL, NULL));
- }
-
- #endif // _ADK_H_
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