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Extra comments.

This commit is contained in:
George Norton 2023-05-31 17:35:48 +01:00
parent 904a8afd9a
commit 8b1caee808
1 changed files with 32 additions and 25 deletions
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17
firmware/code/os_descriptors.h
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@ -28,17 +28,24 @@ typedef enum {
MS_OS_20_FEATURE_VENDOR_REVISION = 0x08 MS_OS_20_FEATURE_VENDOR_REVISION = 0x08
} microsoft_os_20_type_t; } microsoft_os_20_type_t;
static __aligned(4) uint8_t ms_platform_capability_bos_descriptor[PICO_USBDEV_MAX_DESCRIPTOR_SIZE] = { static __aligned(4) uint8_t ms_platform_capability_bos_descriptor[PICO_USBDEV_MAX_DESCRIPTOR_SIZE] = {
// BOS Descriptor
// length, descriptor type, total length, number of device caps
0x5, 0xF, 0x21, 0x0, 0x1, 0x5, 0xF, 0x21, 0x0, 0x1,
// Platform device capability descriptor
// length, descriptor type, device capability type, reserved
0x1C, 0x10, 0x5, 0x00, 0x1C, 0x10, 0x5, 0x00,
// PlatformCapabilityUUID: D8DD60DF-4589-4CC7-9CD2-659D9E648A9F - Microsoft OS 2.0 descriptor capability
0xDF, 0x60, 0xDD, 0xD8, 0x89, 0x45, 0xC7, 0x4C, 0x9C, 0xD2, 0x65, 0x9D, 0x9E, 0x64, 0x8A, 0x9F, 0xDF, 0x60, 0xDD, 0xD8, 0x89, 0x45, 0xC7, 0x4C, 0x9C, 0xD2, 0x65, 0x9D, 0x9E, 0x64, 0x8A, 0x9F,
// Windows version (8.1+)
0x0, 0x0, 0x3, 0x6, 0x0, 0x0, 0x3, 0x6,
U16_TO_U8S_LE(MS_OS_20_DESC_LEN), // TODO: len // Length of desc_ms_os_20
0x1, U16_TO_U8S_LE(MS_OS_20_DESC_LEN),
0x0 }; // Vendor code, alt enum code
0x1, 0x0
};
uint8_t desc_ms_os_20[256] = { uint8_t desc_ms_os_20[PICO_USBDEV_MAX_DESCRIPTOR_SIZE] = {
// Set header: length, type, windows version, total length // Set header: length, type, windows version, total length
U16_TO_U8S_LE(0x000A), U16_TO_U8S_LE(MS_OS_20_SET_HEADER_DESCRIPTOR), U32_TO_U8S_LE(0x06030000), U16_TO_U8S_LE(MS_OS_20_DESC_LEN), U16_TO_U8S_LE(0x000A), U16_TO_U8S_LE(MS_OS_20_SET_HEADER_DESCRIPTOR), U32_TO_U8S_LE(0x06030000), U16_TO_U8S_LE(MS_OS_20_DESC_LEN),