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teensy3: usb_desc: Extract EMIT_CDC_DESCRIPTORS() macro 

Create a macro to emit all values for the various CDC descriptors, and
use it.  Note that this does not include the CDC Interface Association
Descriptor, as the latter is needed only for composite USB devices.

This will avoid duplication when adding support for multiple USB serial
interfaces.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
main
Geert Uytterhoeven преди 4 години
родител
80b2ce40a9
ревизия
dc46850b68
променени са 1 файла, в които са добавени 66 реда и са изтрити 63 реда
Разделен изглед Покажи статистика за разликите
  1. +66
    -63
      teensy3/usb_desc.c

+ 66
- 63
teensy3/usb_desc.c Целия файл

@@ -580,6 +580,71 @@ static uint8_t flightsim_report_desc[] = {
// USB Configuration
// **************************************************************

#define EMIT_CDC_DESCRIPTORS(prefix) \
/* interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 */ \
9, /* bLength */ \
4, /* bDescriptorType */ \
prefix ## _STATUS_INTERFACE, /* bInterfaceNumber */ \
0, /* bAlternateSetting */ \
1, /* bNumEndpoints */ \
0x02, /* bInterfaceClass */ \
0x02, /* bInterfaceSubClass */ \
0x01, /* bInterfaceProtocol */ \
0, /* iInterface */ \
/* CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26 */ \
5, /* bFunctionLength */ \
0x24, /* bDescriptorType */ \
0x00, /* bDescriptorSubtype */ \
0x10, 0x01, /* bcdCDC */ \
/* Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27 */\
5, /* bFunctionLength */ \
0x24, /* bDescriptorType */ \
0x01, /* bDescriptorSubtype */ \
0x01, /* bmCapabilities */ \
1, /* bDataInterface */ \
/* Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28 */\
4, /* bFunctionLength */ \
0x24, /* bDescriptorType */ \
0x02, /* bDescriptorSubtype */ \
0x06, /* bmCapabilities */ \
/* Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33 */ \
5, /* bFunctionLength */ \
0x24, /* bDescriptorType */ \
0x06, /* bDescriptorSubtype */ \
prefix ## _STATUS_INTERFACE, /* bMasterInterface */ \
prefix ## _DATA_INTERFACE, /* bSlaveInterface0 */ \
/* endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 */ \
7, /* bLength */ \
5, /* bDescriptorType */ \
prefix ## _ACM_ENDPOINT | 0x80, /* bEndpointAddress */ \
0x03, /* bmAttributes (0x03=intr) */ \
prefix ## _ACM_SIZE, 0, /* wMaxPacketSize */ \
64, /* bInterval */ \
/* interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 */ \
9, /* bLength */ \
4, /* bDescriptorType */ \
prefix ## _DATA_INTERFACE, /* bInterfaceNumber */ \
0, /* bAlternateSetting */ \
2, /* bNumEndpoints */ \
0x0A, /* bInterfaceClass */ \
0x00, /* bInterfaceSubClass */ \
0x00, /* bInterfaceProtocol */ \
0, /* iInterface */ \
/* endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 */ \
7, /* bLength */ \
5, /* bDescriptorType */ \
prefix ## _RX_ENDPOINT, /* bEndpointAddress */ \
0x02, /* bmAttributes (0x02=bulk) */ \
prefix ## _RX_SIZE, 0, /* wMaxPacketSize */ \
0, /* bInterval */ \
/* endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 */ \
7, /* bLength */ \
5, /* bDescriptorType */ \
prefix ## _TX_ENDPOINT | 0x80, /* bEndpointAddress */ \
0x02, /* bmAttributes (0x02=bulk) */ \
prefix ## _TX_SIZE, 0, /* wMaxPacketSize */ \
0 /* bInterval */ \

// USB Configuration Descriptor. This huge descriptor tells all
// of the devices capbilities.
static uint8_t config_descriptor[CONFIG_DESC_SIZE] = {
@@ -607,69 +672,7 @@ static uint8_t config_descriptor[CONFIG_DESC_SIZE] = {
#endif

#ifdef CDC_DATA_INTERFACE
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
CDC_STATUS_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
1, // bNumEndpoints
0x02, // bInterfaceClass
0x02, // bInterfaceSubClass
0x01, // bInterfaceProtocol
0, // iInterface
// CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26
5, // bFunctionLength
0x24, // bDescriptorType
0x00, // bDescriptorSubtype
0x10, 0x01, // bcdCDC
// Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27
5, // bFunctionLength
0x24, // bDescriptorType
0x01, // bDescriptorSubtype
0x01, // bmCapabilities
1, // bDataInterface
// Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28
4, // bFunctionLength
0x24, // bDescriptorType
0x02, // bDescriptorSubtype
0x06, // bmCapabilities
// Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33
5, // bFunctionLength
0x24, // bDescriptorType
0x06, // bDescriptorSubtype
CDC_STATUS_INTERFACE, // bMasterInterface
CDC_DATA_INTERFACE, // bSlaveInterface0
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
7, // bLength
5, // bDescriptorType
CDC_ACM_ENDPOINT | 0x80, // bEndpointAddress
0x03, // bmAttributes (0x03=intr)
CDC_ACM_SIZE, 0, // wMaxPacketSize
64, // bInterval
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
CDC_DATA_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
2, // bNumEndpoints
0x0A, // bInterfaceClass
0x00, // bInterfaceSubClass
0x00, // bInterfaceProtocol
0, // iInterface
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
7, // bLength
5, // bDescriptorType
CDC_RX_ENDPOINT, // bEndpointAddress
0x02, // bmAttributes (0x02=bulk)
CDC_RX_SIZE, 0, // wMaxPacketSize
0, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
7, // bLength
5, // bDescriptorType
CDC_TX_ENDPOINT | 0x80, // bEndpointAddress
0x02, // bmAttributes (0x02=bulk)
CDC_TX_SIZE, 0, // wMaxPacketSize
0, // bInterval
EMIT_CDC_DESCRIPTORS(CDC),
#endif // CDC_DATA_INTERFACE

#ifdef MIDI_INTERFACE

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