57 lines
2.6 KiB
Python
57 lines
2.6 KiB
Python
import usb_hid
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BITMAP_KEYBOARD_DESCRIPTOR_REPORT_ID = 7
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REPORT_BYTES = 16
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bitmap_keyboard_descriptor = bytes((
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0x05, 0x01, # Usage Page (Generic Desktop),
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0x09, 0x06, # Usage (Keyboard),
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0xA1, 0x01, # Collection (Application),
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0x85, 0xFF, # 6,7 Report ID [SET AT RUNTIME]
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# bitmap of modifiers
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0x75, 0x01, # Report Size (1),
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0x95, 0x08, # Report Count (8),
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0x05, 0x07, # Usage Page (Key Codes),
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0x19, 0xE0, # Usage Minimum (224),
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0x29, 0xE7, # Usage Maximum (231),
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0x15, 0x00, # Logical Minimum (0),
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0x25, 0x01, # Logical Maximum (1),
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0x81, 0x02, # Input (Data, Variable, Absolute), ;Modifier byte
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# LED output report
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0x95, 0x05, # Report Count (5),
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0x75, 0x01, # Report Size (1),
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0x05, 0x08, # Usage Page (LEDs),
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0x19, 0x01, # Usage Minimum (1),
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0x29, 0x05, # Usage Maximum (5),
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0x91, 0x02, # Output (Data, Variable, Absolute),
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0x95, 0x01, # Report Count (1),
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0x75, 0x03, # Report Size (3),
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0x91, 0x03, # Output (Constant),
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# bitmap of keys
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0x95, (REPORT_BYTES-1)*8, # Report Count (),
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0x75, 0x01, # Report Size (1),
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0x15, 0x00, # Logical Minimum (0),
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0x25, 0x01, # Logical Maximum(1),
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0x05, 0x07, # Usage Page (Key Codes),
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0x19, 0x00, # Usage Minimum (0),
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0x29, (REPORT_BYTES-1)*8-1, # Usage Maximum (),
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0x81, 0x02, # Input (Data, Variable, Absolute),
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0xc0 # End Collection
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))
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bitmap_keyboard = usb_hid.Device(
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report_descriptor = bitmap_keyboard_descriptor,
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usage_page = 0x1,
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usage = 0x6,
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in_report_length = 16,
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out_report_length = 1,
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report_id_index = BITMAP_KEYBOARD_DESCRIPTOR_REPORT_ID,
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)
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print(bitmap_keyboard)
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devices = [
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bitmap_keyboard,
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usb_hid.Device.CONSUMER_CONTROL,
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usb_hid.Device.MOUSE,
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]
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usb_hid.enable(devices)
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print("enabled HID with custom keyboard device")
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