diff options
Diffstat (limited to 'tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/cdcacm.h')
| -rw-r--r-- | tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/cdcacm.h | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/cdcacm.h b/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/cdcacm.h new file mode 100644 index 0000000000..2a38524d8c --- /dev/null +++ b/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/cdcacm.h @@ -0,0 +1,252 @@ +/* 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(__CDCACM_H__) +#define __CDCACM_H__ + +#include "Usb.h" + +#define bmREQ_CDCOUT USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE +#define bmREQ_CDCIN USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE + +// CDC Subclass Constants +#define CDC_SUBCLASS_DLCM 0x01 // Direct Line Control Model +#define CDC_SUBCLASS_ACM 0x02 // Abstract Control Model +#define CDC_SUBCLASS_TCM 0x03 // Telephone Control Model +#define CDC_SUBCLASS_MCCM 0x04 // Multi Channel Control Model +#define CDC_SUBCLASS_CAPI 0x05 // CAPI Control Model +#define CDC_SUBCLASS_ETHERNET 0x06 // Ethernet Network Control Model +#define CDC_SUBCLASS_ATM 0x07 // ATM Network Control Model +#define CDC_SUBCLASS_WIRELESS_HANDSET 0x08 // Wireless Handset Control Model +#define CDC_SUBCLASS_DEVICE_MANAGEMENT 0x09 // Device Management +#define CDC_SUBCLASS_MOBILE_DIRECT_LINE 0x0A // Mobile Direct Line Model +#define CDC_SUBCLASS_OBEX 0x0B // OBEX +#define CDC_SUBCLASS_ETHERNET_EMU 0x0C // Ethernet Emulation Model + +// Communication Interface Class Control Protocol Codes +#define CDC_PROTOCOL_ITU_T_V_250 0x01 // AT Commands defined by ITU-T V.250 +#define CDC_PROTOCOL_PCCA_101 0x02 // AT Commands defined by PCCA-101 +#define CDC_PROTOCOL_PCCA_101_O 0x03 // AT Commands defined by PCCA-101 & Annex O +#define CDC_PROTOCOL_GSM_7_07 0x04 // AT Commands defined by GSM 7.07 +#define CDC_PROTOCOL_3GPP_27_07 0x05 // AT Commands defined by 3GPP 27.007 +#define CDC_PROTOCOL_C_S0017_0 0x06 // AT Commands defined by TIA for CDMA +#define CDC_PROTOCOL_USB_EEM 0x07 // Ethernet Emulation Model + +// CDC Commands defined by CDC 1.2 +#define CDC_SEND_ENCAPSULATED_COMMAND 0x00 +#define CDC_GET_ENCAPSULATED_RESPONSE 0x01 + +// CDC Commands defined by PSTN 1.2 +#define CDC_SET_COMM_FEATURE 0x02 +#define CDC_GET_COMM_FEATURE 0x03 +#define CDC_CLEAR_COMM_FEATURE 0x04 +#define CDC_SET_AUX_LINE_STATE 0x10 +#define CDC_SET_HOOK_STATE 0x11 +#define CDC_PULSE_SETUP 0x12 +#define CDC_SEND_PULSE 0x13 +#define CDC_SET_PULSE_TIME 0x14 +#define CDC_RING_AUX_JACK 0x15 +#define CDC_SET_LINE_CODING 0x20 +#define CDC_GET_LINE_CODING 0x21 +#define CDC_SET_CONTROL_LINE_STATE 0x22 +#define CDC_SEND_BREAK 0x23 +#define CDC_SET_RINGER_PARMS 0x30 +#define CDC_GET_RINGER_PARMS 0x31 +#define CDC_SET_OPERATION_PARMS 0x32 +#define CDC_GET_OPERATION_PARMS 0x33 +#define CDC_SET_LINE_PARMS 0x34 +#define CDC_GET_LINE_PARMS 0x35 +#define CDC_DIAL_DIGITS 0x36 + +//Class-Specific Notification Codes +#define NETWORK_CONNECTION 0x00 +#define RESPONSE_AVAILABLE 0x01 +#define AUX_JACK_HOOK_STATE 0x08 +#define RING_DETECT 0x09 +#define SERIAL_STATE 0x20 +#define CALL_STATE_CHANGE 0x28 +#define LINE_STATE_CHANGE 0x29 +#define CONNECTION_SPEED_CHANGE 0x2a + +// CDC Functional Descriptor Structures + +typedef struct { + uint8_t bFunctionLength; + uint8_t bDescriptorType; + uint8_t bDescriptorSubtype; + uint8_t bmCapabilities; + uint8_t bDataInterface; +} CALL_MGMNT_FUNC_DESCR; + +typedef struct { + uint8_t bFunctionLength; + uint8_t bDescriptorType; + uint8_t bDescriptorSubtype; + uint8_t bmCapabilities; +} ACM_FUNC_DESCR, DLM_FUNC_DESCR, TEL_OPER_MODES_FUNC_DESCR, +TEL_CALL_STATE_REP_CPBL_FUNC_DESCR; + +typedef struct { + uint8_t bFunctionLength; + uint8_t bDescriptorType; + uint8_t bDescriptorSubtype; + uint8_t bRingerVolSteps; + uint8_t bNumRingerPatterns; +} TEL_RINGER_FUNC_DESCR; + +typedef struct { + uint32_t dwDTERate; // Data Terminal Rate in bits per second + uint8_t bCharFormat; // 0 - 1 stop bit, 1 - 1.5 stop bits, 2 - 2 stop bits + uint8_t bParityType; // 0 - None, 1 - Odd, 2 - Even, 3 - Mark, 4 - Space + uint8_t bDataBits; // Data bits (5, 6, 7, 8 or 16) +} LINE_CODING; + +typedef struct { + uint8_t bmRequestType; // 0xa1 for class-specific notifications + uint8_t bNotification; + uint16_t wValue; + uint16_t wIndex; + uint16_t wLength; + uint16_t bmState; //UART state bitmap for SERIAL_STATE, other notifications variable length +} CLASS_NOTIFICATION; + +class ACM; + +class CDCAsyncOper { +public: + + virtual uint8_t OnInit(ACM *pacm) { + return 0; + }; + //virtual void OnDataRcvd(ACM *pacm, uint8_t nbytes, uint8_t *dataptr) = 0; + //virtual void OnDisconnected(ACM *pacm) = 0; +}; + +/** + * This structure is used to report the extended capabilities of the connected device. + * It is also used to report the current status. + * Regular CDC-ACM reports all as false. + */ +typedef struct { + + union { + uint8_t tty; + + struct { + bool enhanced : 1; // Do we have the ability to set/clear any features? + // Status and 8th bit in data stream. + // Presence only indicates feature is available, but this isn't used for CDC-ACM. + bool wide : 1; + bool autoflow_RTS : 1; // Has autoflow on RTS/CTS + bool autoflow_DSR : 1; // Has autoflow on DTR/DSR + bool autoflow_XON : 1; // Has autoflow XON/XOFF + bool half_duplex : 1; // Has half-duplex capability. + } __attribute__((packed)); + }; +} tty_features; + +#define ACM_MAX_ENDPOINTS 4 + +class ACM : public USBDeviceConfig, public UsbConfigXtracter { +protected: + static const uint8_t epDataInIndex; // DataIn endpoint index + static const uint8_t epDataOutIndex; // DataOUT endpoint index + static const uint8_t epInterruptInIndex; // InterruptIN endpoint index + + USB *pUsb; + CDCAsyncOper *pAsync; + uint8_t bAddress; + uint8_t bConfNum; // configuration number + uint8_t bControlIface; // Control interface value + uint8_t bDataIface; // Data interface value + uint8_t bNumEP; // total number of EP in the configuration + uint32_t qNextPollTime; // next poll time + volatile bool bPollEnable; // poll enable flag + volatile bool ready; //device ready indicator + tty_features _enhanced_status; // current status + + EpInfo epInfo[ACM_MAX_ENDPOINTS]; + + void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr); + +public: + ACM(USB *pusb, CDCAsyncOper *pasync); + + uint8_t SetCommFeature(uint16_t fid, uint8_t nbytes, uint8_t *dataptr); + uint8_t GetCommFeature(uint16_t fid, uint8_t nbytes, uint8_t *dataptr); + uint8_t ClearCommFeature(uint16_t fid); + uint8_t SetLineCoding(const LINE_CODING *dataptr); + uint8_t GetLineCoding(LINE_CODING *dataptr); + uint8_t SetControlLineState(uint8_t state); + uint8_t SendBreak(uint16_t duration); + uint8_t GetNotif(uint16_t *bytes_rcvd, uint8_t *dataptr); + + // 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 Init(uint8_t parent, uint8_t port, bool lowspeed); + uint8_t Release(); + uint8_t Poll(); + + bool available(void) { + return false; + }; + + virtual uint8_t GetAddress() { + return bAddress; + }; + + virtual bool isReady() { + return ready; + }; + + virtual tty_features enhanced_status(void) { + return _enhanced_status; + }; + + virtual tty_features enhanced_features(void) { + tty_features rv; + rv.enhanced = false; + rv.autoflow_RTS = false; + rv.autoflow_DSR = false; + rv.autoflow_XON = false; + rv.half_duplex = false; + rv.wide = false; + return rv; + }; + + virtual void autoflowRTS(bool s) { + }; + + virtual void autoflowDSR(bool s) { + }; + + virtual void autoflowXON(bool s) { + }; + + virtual void half_duplex(bool s) { + }; + + virtual void wide(bool s) { + }; + + // UsbConfigXtracter implementation + void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep); +}; + +#endif // __CDCACM_H__ |