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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2021/10/26 12:33:11 UTC
[GitHub] [mynewt-core] sjanc commented on a change in pull request #2688: tinyusb: Add WINUSB descriptor support
sjanc commented on a change in pull request #2688:
URL: https://github.com/apache/mynewt-core/pull/2688#discussion_r736484048
##########
File path: hw/usb/tinyusb/std_descriptors/src/std_descriptors.c
##########
@@ -245,6 +245,53 @@ const char *string_desc_arr[] = {
static uint16_t desc_string[MYNEWT_VAL(USBD_STRING_DESCRIPTOR_MAX_LENGTH) + 1];
+#if MYNEWT_VAL(USBD_WINDOWS_COMP_ID)
+
+#define MICROSOFT_OS_STRING_DESCRIPTOR 0xEE
+#define COMPATIBILITY_FEATURE_REQUEST 0xFE
+
+static const uint8_t microsoft_os_string_descriptor[] = {
+ 0x12, /* BYTE Descriptor length (18 bytes) */
+ 0x03, /* BYTE Descriptor type (3 = String) */
+ 0x4D, 0x00, 0x53, 0x00, /* 7 WORDS Unicode String (LE) Signature: "MSFT100" */
+ 0x46, 0x00, 0x54, 0x00,
+ 0x31, 0x00, 0x30, 0x00,
+ 0x30, 0x00,
+ COMPATIBILITY_FEATURE_REQUEST, /* BYTE Vendor Code */
+ 0x00 /* BYTE Padding */
+};
+
+struct {
+ uint32_t len;
+ uint16_t version;
+ uint16_t four;
+ uint8_t number_of_sections;
+ uint8_t reserved1[7];
+ uint8_t itf;
+ uint8_t reserved2;
+ uint8_t compatible_id[8];
+ uint8_t sub_compatible_id[8];
+ uint8_t reserved3[6];
+} windows_compat_id = {
Review comment:
does it have to be global symbol?
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