diff options
Diffstat (limited to 'tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/UsbCore.h')
| m--------- | tmk_core/protocol/usb_hid/USB_Host_Shield_2.0 | 0 | ||||
| -rw-r--r-- | tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/UsbCore.h | 298 |
2 files changed, 298 insertions, 0 deletions
diff --git a/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0 b/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0 deleted file mode 160000 -Subproject 7c2e6c1bcdcc22cfdbd82edd9d8fc4c4276ead4 diff --git a/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/UsbCore.h b/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/UsbCore.h new file mode 100644 index 0000000000..5c6c771017 --- /dev/null +++ b/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/UsbCore.h @@ -0,0 +1,298 @@ +/* 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 : support@circuitsathome.com + */ + +#if !defined(_usb_h_) || defined(USBCORE_H) +#error "Never include UsbCore.h directly; include Usb.h instead" +#else +#define USBCORE_H + +// Not used anymore? If anyone uses this, please let us know so that this may be +// moved to the proper place, settings.h. +//#define USB_METHODS_INLINE + +/* shield pins. First parameter - SS pin, second parameter - INT pin */ +#ifdef BOARD_BLACK_WIDDOW +typedef MAX3421e<P6, P3> MAX3421E; // Black Widow +#elif defined(CORE_TEENSY) && (defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)) +#if EXT_RAM +typedef MAX3421e<P20, P7> MAX3421E; // Teensy++ 2.0 with XMEM2 +#else +typedef MAX3421e<P9, P8> MAX3421E; // Teensy++ 1.0 and 2.0 +#endif +#elif defined(BOARD_MEGA_ADK) +typedef MAX3421e<P53, P54> MAX3421E; // Arduino Mega ADK +#elif defined(ARDUINO_AVR_BALANDUINO) +typedef MAX3421e<P20, P19> MAX3421E; // Balanduino +#elif defined(__ARDUINO_X86__) && PLATFORM_ID == 0x06 +typedef MAX3421e<P3, P2> MAX3421E; // The Intel Galileo supports much faster read and write speed at pin 2 and 3 +#else +typedef MAX3421e<P10, P9> MAX3421E; // Official Arduinos (UNO, Duemilanove, Mega, 2560, Leonardo, Due etc.), Intel Edison, Intel Galileo 2 or Teensy 2.0 and 3.0 +#endif + +/* Common setup data constant combinations */ +#define bmREQ_GET_DESCR USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_STANDARD|USB_SETUP_RECIPIENT_DEVICE //get descriptor request type +#define bmREQ_SET USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_STANDARD|USB_SETUP_RECIPIENT_DEVICE //set request type for all but 'set feature' and 'set interface' +#define bmREQ_CL_GET_INTF USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE //get interface request type + +// D7 data transfer direction (0 - host-to-device, 1 - device-to-host) +// D6-5 Type (0- standard, 1 - class, 2 - vendor, 3 - reserved) +// D4-0 Recipient (0 - device, 1 - interface, 2 - endpoint, 3 - other, 4..31 - reserved) + +// USB Device Classes +#define USB_CLASS_USE_CLASS_INFO 0x00 // Use Class Info in the Interface Descriptors +#define USB_CLASS_AUDIO 0x01 // Audio +#define USB_CLASS_COM_AND_CDC_CTRL 0x02 // Communications and CDC Control +#define USB_CLASS_HID 0x03 // HID +#define USB_CLASS_PHYSICAL 0x05 // Physical +#define USB_CLASS_IMAGE 0x06 // Image +#define USB_CLASS_PRINTER 0x07 // Printer +#define USB_CLASS_MASS_STORAGE 0x08 // Mass Storage +#define USB_CLASS_HUB 0x09 // Hub +#define USB_CLASS_CDC_DATA 0x0a // CDC-Data +#define USB_CLASS_SMART_CARD 0x0b // Smart-Card +#define USB_CLASS_CONTENT_SECURITY 0x0d // Content Security +#define USB_CLASS_VIDEO 0x0e // Video +#define USB_CLASS_PERSONAL_HEALTH 0x0f // Personal Healthcare +#define USB_CLASS_DIAGNOSTIC_DEVICE 0xdc // Diagnostic Device +#define USB_CLASS_WIRELESS_CTRL 0xe0 // Wireless Controller +#define USB_CLASS_MISC 0xef // Miscellaneous +#define USB_CLASS_APP_SPECIFIC 0xfe // Application Specific +#define USB_CLASS_VENDOR_SPECIFIC 0xff // Vendor Specific + +// Additional Error Codes +#define USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED 0xD1 +#define USB_DEV_CONFIG_ERROR_DEVICE_INIT_INCOMPLETE 0xD2 +#define USB_ERROR_UNABLE_TO_REGISTER_DEVICE_CLASS 0xD3 +#define USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL 0xD4 +#define USB_ERROR_HUB_ADDRESS_OVERFLOW 0xD5 +#define USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL 0xD6 +#define USB_ERROR_EPINFO_IS_NULL 0xD7 +#define USB_ERROR_INVALID_ARGUMENT 0xD8 +#define USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE 0xD9 +#define USB_ERROR_INVALID_MAX_PKT_SIZE 0xDA +#define USB_ERROR_EP_NOT_FOUND_IN_TBL 0xDB +#define USB_ERROR_CONFIG_REQUIRES_ADDITIONAL_RESET 0xE0 +#define USB_ERROR_FailGetDevDescr 0xE1 +#define USB_ERROR_FailSetDevTblEntry 0xE2 +#define USB_ERROR_FailGetConfDescr 0xE3 +#define USB_ERROR_TRANSFER_TIMEOUT 0xFF + +#define USB_XFER_TIMEOUT 5000 // (5000) USB transfer timeout in milliseconds, per section 9.2.6.1 of USB 2.0 spec +//#define USB_NAK_LIMIT 32000 // NAK limit for a transfer. 0 means NAKs are not counted +#define USB_RETRY_LIMIT 3 // 3 retry limit for a transfer +#define USB_SETTLE_DELAY 200 // settle delay in milliseconds + +#define USB_NUMDEVICES 16 //number of USB devices +//#define HUB_MAX_HUBS 7 // maximum number of hubs that can be attached to the host controller +#define HUB_PORT_RESET_DELAY 20 // hub port reset delay 10 ms recomended, can be up to 20 ms + +/* USB state machine states */ +#define USB_STATE_MASK 0xf0 + +#define USB_STATE_DETACHED 0x10 +#define USB_DETACHED_SUBSTATE_INITIALIZE 0x11 +#define USB_DETACHED_SUBSTATE_WAIT_FOR_DEVICE 0x12 +#define USB_DETACHED_SUBSTATE_ILLEGAL 0x13 +#define USB_ATTACHED_SUBSTATE_SETTLE 0x20 +#define USB_ATTACHED_SUBSTATE_RESET_DEVICE 0x30 +#define USB_ATTACHED_SUBSTATE_WAIT_RESET_COMPLETE 0x40 +#define USB_ATTACHED_SUBSTATE_WAIT_SOF 0x50 +#define USB_ATTACHED_SUBSTATE_WAIT_RESET 0x51 +#define USB_ATTACHED_SUBSTATE_GET_DEVICE_DESCRIPTOR_SIZE 0x60 +#define USB_STATE_ADDRESSING 0x70 +#define USB_STATE_CONFIGURING 0x80 +#define USB_STATE_RUNNING 0x90 +#define USB_STATE_ERROR 0xa0 + +class USBDeviceConfig { +public: + + virtual uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed) { + return 0; + } + + virtual uint8_t ConfigureDevice(uint8_t parent, uint8_t port, bool lowspeed) { + return 0; + } + + virtual uint8_t Release() { + return 0; + } + + virtual uint8_t Poll() { + return 0; + } + + virtual uint8_t GetAddress() { + return 0; + } + + virtual void ResetHubPort(uint8_t port) { + return; + } // Note used for hubs only! + + virtual bool VIDPIDOK(uint16_t vid, uint16_t pid) { + return false; + } + + virtual bool DEVCLASSOK(uint8_t klass) { + return false; + } + + virtual bool DEVSUBCLASSOK(uint8_t subklass) { + return true; + } + +}; + +/* USB Setup Packet Structure */ +typedef struct { + + union { // offset description + uint8_t bmRequestType; // 0 Bit-map of request type + + struct { + uint8_t recipient : 5; // Recipient of the request + uint8_t type : 2; // Type of request + uint8_t direction : 1; // Direction of data X-fer + } __attribute__((packed)); + } ReqType_u; + uint8_t bRequest; // 1 Request + + union { + uint16_t wValue; // 2 Depends on bRequest + + struct { + uint8_t wValueLo; + uint8_t wValueHi; + } __attribute__((packed)); + } wVal_u; + uint16_t wIndex; // 4 Depends on bRequest + uint16_t wLength; // 6 Depends on bRequest +} __attribute__((packed)) SETUP_PKT, *PSETUP_PKT; + + + +// Base class for incoming data parser + +class USBReadParser { +public: + virtual void Parse(const uint16_t len, const uint8_t *pbuf, const uint16_t &offset) = 0; +}; + +class USB : public MAX3421E { + AddressPoolImpl<USB_NUMDEVICES> addrPool; + USBDeviceConfig* devConfig[USB_NUMDEVICES]; + uint8_t bmHubPre; + +public: + USB(void); + + void SetHubPreMask() { + bmHubPre |= bmHUBPRE; + }; + + void ResetHubPreMask() { + bmHubPre &= (~bmHUBPRE); + }; + + AddressPool& GetAddressPool() { + return (AddressPool&)addrPool; + }; + + uint8_t RegisterDeviceClass(USBDeviceConfig *pdev) { + for(uint8_t i = 0; i < USB_NUMDEVICES; i++) { + if(!devConfig[i]) { + devConfig[i] = pdev; + return 0; + } + } + return USB_ERROR_UNABLE_TO_REGISTER_DEVICE_CLASS; + }; + + void ForEachUsbDevice(UsbDeviceHandleFunc pfunc) { + addrPool.ForEachUsbDevice(pfunc); + }; + uint8_t getUsbTaskState(void); + void setUsbTaskState(uint8_t state); + + EpInfo* getEpInfoEntry(uint8_t addr, uint8_t ep); + uint8_t setEpInfoEntry(uint8_t addr, uint8_t epcount, EpInfo* eprecord_ptr); + + /* Control requests */ + uint8_t getDevDescr(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t* dataptr); + uint8_t getConfDescr(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t conf, uint8_t* dataptr); + + uint8_t getConfDescr(uint8_t addr, uint8_t ep, uint8_t conf, USBReadParser *p); + + uint8_t getStrDescr(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t index, uint16_t langid, uint8_t* dataptr); + uint8_t setAddr(uint8_t oldaddr, uint8_t ep, uint8_t newaddr); + uint8_t setConf(uint8_t addr, uint8_t ep, uint8_t conf_value); + /**/ + uint8_t ctrlData(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t* dataptr, bool direction); + uint8_t ctrlStatus(uint8_t ep, bool direction, uint16_t nak_limit); + uint8_t inTransfer(uint8_t addr, uint8_t ep, uint16_t *nbytesptr, uint8_t* data); + uint8_t outTransfer(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t* data); + uint8_t dispatchPkt(uint8_t token, uint8_t ep, uint16_t nak_limit); + + void Task(void); + + uint8_t DefaultAddressing(uint8_t parent, uint8_t port, bool lowspeed); + uint8_t Configuring(uint8_t parent, uint8_t port, bool lowspeed); + uint8_t ReleaseDevice(uint8_t addr); + + uint8_t ctrlReq(uint8_t addr, uint8_t ep, uint8_t bmReqType, uint8_t bRequest, uint8_t wValLo, uint8_t wValHi, + uint16_t wInd, uint16_t total, uint16_t nbytes, uint8_t* dataptr, USBReadParser *p); + +private: + void init(); + uint8_t SetAddress(uint8_t addr, uint8_t ep, EpInfo **ppep, uint16_t *nak_limit); + uint8_t OutTransfer(EpInfo *pep, uint16_t nak_limit, uint16_t nbytes, uint8_t *data); + uint8_t InTransfer(EpInfo *pep, uint16_t nak_limit, uint16_t *nbytesptr, uint8_t *data); + uint8_t AttemptConfig(uint8_t driver, uint8_t parent, uint8_t port, bool lowspeed); +}; + +#if 0 //defined(USB_METHODS_INLINE) +//get device descriptor + +inline uint8_t USB::getDevDescr(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t* dataptr) { + return ( ctrlReq(addr, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, 0x00, USB_DESCRIPTOR_DEVICE, 0x0000, nbytes, dataptr)); +} +//get configuration descriptor + +inline uint8_t USB::getConfDescr(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t conf, uint8_t* dataptr) { + return ( ctrlReq(addr, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, conf, USB_DESCRIPTOR_CONFIGURATION, 0x0000, nbytes, dataptr)); +} +//get string descriptor + +inline uint8_t USB::getStrDescr(uint8_t addr, uint8_t ep, uint16_t nuint8_ts, uint8_t index, uint16_t langid, uint8_t* dataptr) { + return ( ctrlReq(addr, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, index, USB_DESCRIPTOR_STRING, langid, nuint8_ts, dataptr)); +} +//set address + +inline uint8_t USB::setAddr(uint8_t oldaddr, uint8_t ep, uint8_t newaddr) { + return ( ctrlReq(oldaddr, ep, bmREQ_SET, USB_REQUEST_SET_ADDRESS, newaddr, 0x00, 0x0000, 0x0000, NULL)); +} +//set configuration + +inline uint8_t USB::setConf(uint8_t addr, uint8_t ep, uint8_t conf_value) { + return ( ctrlReq(addr, ep, bmREQ_SET, USB_REQUEST_SET_CONFIGURATION, conf_value, 0x00, 0x0000, 0x0000, NULL)); +} + +#endif // defined(USB_METHODS_INLINE) + +#endif /* USBCORE_H */ |