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Adds support for:
- CLEAR/SET FEATURE (ignored)
- GET_CONFIGURATION (always returns 1 since there is only a single config)
- GET_INTERFACE (always returns 0 since there are not altsettings)
This commit is contained in:
Tobias Diedrich
2022-01-16 19:29:35 +01:00
parent 9742b9f811
commit 6088742e91
1 changed files with 37 additions and 0 deletions
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main.s
+37
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@@ -1376,6 +1376,10 @@ _usb_ep0_out:
JMP _mainloop
_setup_dispatch_table:
DW 0x0001 ; CLEAR_FEATURE (device)
JMP _usb_htd_clear_feature
DW 0x0003 ; SET_FEATURE (device)
JMP _usb_htd_set_feature
DW 0x0005 ; SET_ADDRESS
JMP _usb_htd_set_address
DW 0x0009 ; SET_CONFIGURATION
@@ -1390,8 +1394,12 @@ _setup_dispatch_table:
JMP _usb_dth_get_status
DW 0x8006 ; GET_DESCRIPTOR (device)
JMP _usb_dth_get_device_descriptor
DW 0x8008 ; GET_CONFIGURATION (device)
JMP _usb_dth_get_device_configuration
DW 0x8106 ; GET_DESCRIPTOR (interface)
JMP _usb_dth_get_interface_descriptor
DW 0x810a ; GET_INTERFACE (interface)
JMP _usb_dth_get_interface
DW 0xa101 ; HID GET_REPORT
JMP _usb_dth_hid_get_report
DW 0xa102 ; HID GET_IDLE
@@ -1533,6 +1541,9 @@ _string_product:
_usb_status_ok:
DW 0
_usb_configuration:
DB 1
_kbd_hid_descriptor:
DB 9 ; bLength
DB 0x21 ; bDescriptorType (HID)
@@ -1761,6 +1772,25 @@ _write_empty_to_ep0:
;B0BSET FUE0M1 ; Stall EP0 (FUE0M0 doesn't matter)
;RET
_usb_dth_get_interface:
; There's not altsettings, so always return 0
MOV A, #_usb_status_ok$M
B0MOV txPtrHi, A
MOV A, #_usb_status_ok$L
B0MOV txPtrLo, A
MOV A, #1
B0MOV txSizeLo, A
JMP _usb_write_ep0
_usb_dth_get_device_configuration:
; There's only a single configuration, always return 1
MOV A, #_usb_configuration$M
B0MOV txPtrHi, A
MOV A, #_usb_configuration$L
B0MOV txPtrLo, A
MOV A, #1
B0MOV txSizeLo, A
JMP _usb_write_ep0
_usb_dth_get_status:
MOV A, #_usb_status_ok$M
@@ -1777,6 +1807,13 @@ _usb_htd_set_configuration:
B0MOV UE0R, A
RET
_usb_htd_clear_feature:
_usb_htd_set_feature:
; FIXME: For now we'll just ignore these
MOV A, #0x20 ; ACK with no TX
B0MOV UE0R, A
RET
_usb_htd_set_address:
MOV A, #'a'
CALL _uart_tx