~ruther/qmk_firmware

80d10bef073e3d32149aa4a137d8016ac999dffc — Jason Green 9 years ago d8c5041
Added USB Virtual Serial support
M Makefile => Makefile +4 -0
@@ 190,6 190,10 @@ ifeq ($(strip $(MIDI_ENABLE)), yes)
	SRC += $(QUANTUM_DIR)/process_keycode/process_midi.c
endif

ifeq ($(strip $(VIRTSER_ENABLE)), yes)
    OPT_DEFS += -DVIRTSER_ENABLE
endif

ifeq ($(strip $(AUDIO_ENABLE)), yes)
    OPT_DEFS += -DAUDIO_ENABLE
	SRC += $(QUANTUM_DIR)/process_keycode/process_music.c

A tmk_core/common/virtser.h => tmk_core/common/virtser.h +10 -0
@@ 0,0 1,10 @@
#ifndef _VIRTSER_H_
#define _VIRTSER_H_

/* Define this function in your code to process incoming bytes */
void virtser_recv(const uint8_t ch);

/* Call this to send a character over the Virtual Serial Device */
void virtser_send(const uint8_t byte);

#endif

M tmk_core/protocol/lufa.mk => tmk_core/protocol/lufa.mk +4 -0
@@ 26,6 26,10 @@ ifeq ($(strip $(BLUETOOTH_ENABLE)), yes)
	$(TMK_DIR)/protocol/serial_uart.c
endif

ifeq ($(strip $(VIRTSER_ENABLE)), yes)
	LUFA_SRC += $(LUFA_ROOT_PATH)/Drivers/USB/Class/Device/CDCClassDevice.c
endif

SRC += $(LUFA_SRC)

# Search Path

M tmk_core/protocol/lufa/descriptor.c => tmk_core/protocol/lufa/descriptor.c +111 -1
@@ 231,9 231,15 @@ const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
    .Header                 = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},

    .USBSpecification       = VERSION_BCD(1,1,0),
#if VIRTSER_ENABLE
    .Class                  = USB_CSCP_IADDeviceClass,
    .SubClass               = USB_CSCP_IADDeviceSubclass,
    .Protocol               = USB_CSCP_IADDeviceProtocol,
#else
    .Class                  = USB_CSCP_NoDeviceClass,
    .SubClass               = USB_CSCP_NoDeviceSubclass,
    .Protocol               = USB_CSCP_NoDeviceProtocol,
#endif

    .Endpoint0Size          = FIXED_CONTROL_ENDPOINT_SIZE,



@@ 643,8 649,112 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =

            .TotalEmbeddedJacks       = 0x01,
            .AssociatedJackID         = {0x03}
        }
        },
#endif

#ifdef VIRTSER_ENABLE
    .CDC_Interface_Association =
            {
                    .Header                 = {.Size = sizeof(USB_Descriptor_Interface_Association_t), .Type = DTYPE_InterfaceAssociation},

                    .FirstInterfaceIndex    = CCI_INTERFACE,
                    .TotalInterfaces        = 2,

                    .Class                  = CDC_CSCP_CDCClass,
                    .SubClass               = CDC_CSCP_ACMSubclass,
                    .Protocol               = CDC_CSCP_ATCommandProtocol,

                    .IADStrIndex            = NO_DESCRIPTOR,
            },

    .CDC_CCI_Interface =
            {
                    .Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},

                    .InterfaceNumber        = CCI_INTERFACE,
                    .AlternateSetting       = 0,

                    .TotalEndpoints         = 1,

                    .Class                  = CDC_CSCP_CDCClass,
                    .SubClass               = CDC_CSCP_ACMSubclass,
                    .Protocol               = CDC_CSCP_ATCommandProtocol,

                    .InterfaceStrIndex      = NO_DESCRIPTOR
            },

    .CDC_Functional_Header =
            {
                    .Header                 = {.Size = sizeof(USB_CDC_Descriptor_FunctionalHeader_t), .Type = DTYPE_CSInterface},
                    .Subtype                = 0x00,

                    .CDCSpecification       = VERSION_BCD(1,1,0),
            },

    .CDC_Functional_ACM =
            {
                    .Header                 = {.Size = sizeof(USB_CDC_Descriptor_FunctionalACM_t), .Type = DTYPE_CSInterface},
                    .Subtype                = 0x02,

                    .Capabilities           = 0x02,
            },

    .CDC_Functional_Union =
            {
                    .Header                 = {.Size = sizeof(USB_CDC_Descriptor_FunctionalUnion_t), .Type = DTYPE_CSInterface},
                    .Subtype                = 0x06,

                    .MasterInterfaceNumber  = CCI_INTERFACE,
                    .SlaveInterfaceNumber   = CDI_INTERFACE,
            },

    .CDC_NotificationEndpoint =
            {
                    .Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},

                    .EndpointAddress        = CDC_NOTIFICATION_EPADDR,
                    .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
                    .EndpointSize           = CDC_NOTIFICATION_EPSIZE,
                    .PollingIntervalMS      = 0xFF
            },

    .CDC_DCI_Interface =
            {
                    .Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},

                    .InterfaceNumber        = CDI_INTERFACE,
                    .AlternateSetting       = 0,

                    .TotalEndpoints         = 2,

                    .Class                  = CDC_CSCP_CDCDataClass,
                    .SubClass               = CDC_CSCP_NoDataSubclass,
                    .Protocol               = CDC_CSCP_NoDataProtocol,

                    .InterfaceStrIndex      = NO_DESCRIPTOR
            },

    .CDC_DataOutEndpoint =
            {
                    .Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},

                    .EndpointAddress        = CDC_OUT_EPADDR,
                    .Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
                    .EndpointSize           = CDC_EPSIZE,
                    .PollingIntervalMS      = 0x05
            },

    .CDC_DataInEndpoint =
            {
                    .Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},

                    .EndpointAddress        = CDC_IN_EPADDR,
                    .Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
                    .EndpointSize           = CDC_EPSIZE,
                    .PollingIntervalMS      = 0x05
            },
#endif

};



M tmk_core/protocol/lufa/descriptor.h => tmk_core/protocol/lufa/descriptor.h +40 -3
@@ 104,6 104,21 @@ typedef struct
      USB_MIDI_Descriptor_Jack_Endpoint_t       MIDI_Out_Jack_Endpoint_SPC;
#endif

#ifdef VIRTSER_ENABLE
        USB_Descriptor_Interface_Association_t   CDC_Interface_Association;

	// CDC Control Interface
	USB_Descriptor_Interface_t               CDC_CCI_Interface;
	USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
	USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
	USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
	USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;

	// CDC Data Interface
	USB_Descriptor_Interface_t               CDC_DCI_Interface;
	USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
	USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;
#endif
} USB_Descriptor_Configuration_t;




@@ 141,8 156,15 @@ typedef struct
#   define AS_INTERFACE           NKRO_INTERFACE
#endif

#ifdef VIRTSER_ENABLE
#   define CCI_INTERFACE         (AS_INTERFACE + 1)
#   define CDI_INTERFACE         (AS_INTERFACE + 2)
#else
#   define CDI_INTERFACE         AS_INTERFACE
#endif

/* nubmer of interfaces */
#define TOTAL_INTERFACES            AS_INTERFACE + 1
#define TOTAL_INTERFACES            (CDI_INTERFACE + 1)


// Endopoint number and size


@@ 180,11 202,24 @@ typedef struct
#   define MIDI_STREAM_OUT_EPNUM    (NKRO_IN_EPNUM + 2)
#   define MIDI_STREAM_IN_EPADDR    (ENDPOINT_DIR_IN | MIDI_STREAM_IN_EPNUM)
#   define MIDI_STREAM_OUT_EPADDR   (ENDPOINT_DIR_OUT | MIDI_STREAM_OUT_EPNUM)
#else
#   define MIDI_STREAM_OUT_EPNUM     NKRO_IN_EPNUM
#endif

#ifdef VIRTSER_ENABLE
#   define CDC_NOTIFICATION_EPNUM   (MIDI_STREAM_OUT_EPNUM + 1)
#   define CDC_IN_EPNUM		    (MIDI_STREAM_OUT_EPNUM + 2)
#   define CDC_OUT_EPNUM		    (MIDI_STREAM_OUT_EPNUM + 3)
#   define CDC_NOTIFICATION_EPADDR        (ENDPOINT_DIR_IN | CDC_NOTIFICATION_EPNUM)
#   define CDC_IN_EPADDR                  (ENDPOINT_DIR_IN | CDC_IN_EPNUM)
#   define CDC_OUT_EPADDR                  (ENDPOINT_DIR_OUT | CDC_OUT_EPNUM)
#else
#   define CDC_OUT_EPNUM	MIDI_STREAM_OUT_EPNUM
#endif


#if defined(__AVR_ATmega32U2__) && MIDI_STREAM_OUT_EPADDR > 4
# error "Endpoints are not available enough to support all functions. Remove some in Makefile.(MOUSEKEY, EXTRAKEY, CONSOLE, NKRO, MIDI)"
#if defined(__AVR_ATmega32U2__) && CDC_OUT_EPNUM > 4
# error "Endpoints are not available enough to support all functions. Remove some in Makefile.(MOUSEKEY, EXTRAKEY, CONSOLE, NKRO, MIDI, SERIAL)"
#endif

#define KEYBOARD_EPSIZE             8


@@ 193,6 228,8 @@ typedef struct
#define CONSOLE_EPSIZE              32
#define NKRO_EPSIZE                 16
#define MIDI_STREAM_EPSIZE          64
#define CDC_NOTIFICATION_EPSIZE     8
#define CDC_EPSIZE                  16


uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,

M tmk_core/protocol/lufa/lufa.c => tmk_core/protocol/lufa/lufa.c +107 -0
@@ 60,6 60,10 @@
    #include "bluetooth.h"
#endif

#ifdef VIRTSER_ENABLE
    #include "virtser.h"
#endif

uint8_t keyboard_idle = 0;
/* 0: Boot Protocol, 1: Report Protocol(default) */
uint8_t keyboard_protocol = 1;


@@ 127,6 131,34 @@ USB_ClassInfo_MIDI_Device_t USB_MIDI_Interface =
#define SYS_COMMON_3 0x30
#endif

#ifdef VIRTSER_ENABLE
USB_ClassInfo_CDC_Device_t cdc_device =
{
  .Config =
  {
    .ControlInterfaceNumber = CCI_INTERFACE,
    .DataINEndpoint         =
    {
      .Address		= CDC_IN_EPADDR,
      .Size		= CDC_EPSIZE,
      .Banks		= 1,
    },
    .DataOUTEndpoint	    =
    {
      .Address		= CDC_OUT_EPADDR,
      .Size		= CDC_EPSIZE,
      .Banks		= 1,
    },
    .NotificationEndpoint   =
    {
      .Address		= CDC_NOTIFICATION_EPADDR,
      .Size		= CDC_NOTIFICATION_EPSIZE,
      .Banks		= 1,
    },
  },
};
#endif


/*******************************************************************************
 * Console


@@ 311,6 343,12 @@ void EVENT_USB_Device_ConfigurationChanged(void)
    ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_IN_EPADDR, EP_TYPE_BULK, MIDI_STREAM_EPSIZE, ENDPOINT_BANK_SINGLE);
    ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_OUT_EPADDR, EP_TYPE_BULK, MIDI_STREAM_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif

#ifdef VIRTSER_ENABLE
    ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, ENDPOINT_BANK_SINGLE);
    ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_OUT_EPADDR, EP_TYPE_BULK, CDC_EPSIZE, ENDPOINT_BANK_SINGLE);
    ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_IN_EPADDR, EP_TYPE_BULK, CDC_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif
}

/*


@@ 432,10 470,15 @@ void EVENT_USB_Device_ControlRequest(void)

            break;
    }

#ifdef VIRTSER_ENABLE
    CDC_Device_ProcessControlRequest(&cdc_device);
#endif
}

/*******************************************************************************
 * Host driver
p
 ******************************************************************************/
static uint8_t keyboard_leds(void)
{


@@ 827,6 870,61 @@ void MIDI_Task(void)

#endif

/*******************************************************************************
 * VIRTUAL SERIAL
 ******************************************************************************/

#ifdef VIRTSER_ENABLE
void virtser_init(void)
{
  cdc_device.State.ControlLineStates.DeviceToHost = CDC_CONTROL_LINE_IN_DSR ;
  CDC_Device_SendControlLineStateChange(&cdc_device);
}

__attribute__ ((weak))
void virtser_recv(uint8_t c)
{
  // Ignore by default
}

void virtser_task(void)
{
  uint16_t count = CDC_Device_BytesReceived(&cdc_device);
  uint8_t ch;
  if (count)
  {
    ch = CDC_Device_ReceiveByte(&cdc_device);
    virtser_recv(ch);
  }
}
void virtser_send(const uint8_t byte)
{
  uint8_t timeout = 255;
  uint8_t ep = Endpoint_GetCurrentEndpoint();

  if (cdc_device.State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR)
  {
    /* IN packet */
    Endpoint_SelectEndpoint(cdc_device.Config.DataINEndpoint.Address);

    if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
        Endpoint_SelectEndpoint(ep);
        return;
    }

    while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);

    Endpoint_Write_8(byte);
    CDC_Device_Flush(&cdc_device);

    if (Endpoint_IsINReady()) {
      Endpoint_ClearIN();
    }

    Endpoint_SelectEndpoint(ep);
  }
}
#endif

/*******************************************************************************
 * main


@@ 918,6 1016,10 @@ int main(void)
    sleep_led_init();
#endif

#ifdef VIRTSER_ENABLE
    virtser_init();
#endif

    print("Keyboard start.\n");
    while (1) {
        #ifndef BLUETOOTH_ENABLE


@@ 936,6 1038,11 @@ int main(void)
#endif
        keyboard_task();

#ifdef VIRTSER_ENABLE
        virtser_task();
        CDC_Device_USBTask(&cdc_device);
#endif

#if !defined(INTERRUPT_CONTROL_ENDPOINT)
        USB_USBTask();
#endif