📄 usbfs_1_cls_hid.asm
字号:
;
; THEORY of OPERATION or PROCEDURE:
;
;-----------------------------------------------------------------------------
Find_Report:
call USBFS_1_GetInterfaceLookupTable ; Point the the interface lookup table
; The first entry of the table point to the report table.
mov [USBFS_1_t2],USBFS_1_t1 ; Set the GETWORD destination
call USBFS_1_GETWORD ; Get the pointer to the transfer descriptor table
; ITempW has the address
mov A, REG[USBFS_1_EP0DATA+wIndexLo] ; Get the interface number
mov [USBFS_1_t2], A ; Use the UM temp var--Selector
mov A, [USBFS_1_t1] ; Get the Table Address MSB
mov X, [USBFS_1_t1+1] ; Get the Table Address LSB
asl [USBFS_1_t2] ; Convert the index to offset
swap A, X
add A, [USBFS_1_t2]
swap A, X
adc A, 0 ; A:X now points to the table entry we want
; Get the pointer to the Report Type Table
GET_WORD
; Dereference to the requested Report Type
push A ; Don't loose the pointer MSB
mov A, REG[USBFS_1_EP0DATA+wValueHi] ; Get the Report Type
dec A ; Make it 0 based
mov [USBFS_1_t2], A ; Use the UM temp var--Selector
pop A ; Get the MSB back
push A ; Don't loose the pointer MSB
romx ; Get the table size
cmp A, [USBFS_1_t2] ; Range check
jc .not_supported_pop_1
pop A ; Get the MSB back
inc X ; Point to the next entry
adc A, 0 ;
LT_INDEX_TO_OFFSET USBFS_1_t2 ; Convert the index to offset
swap A, X
add A, [USBFS_1_t2]
swap A, X
adc A, 0 ; A:X now points to the table entry we want
; Get the pointer to the requested Report Table
GET_WORD ; A:X points to the
NULL_PTR_CHECK .not_supported ; Null Table entries indicated not supported
; Dereference to the requested TRANSFER DESCRIPTOR
push A ; Don't loose the pointer MSB
mov A, REG[USBFS_1_EP0DATA+wValueLo] ; Get the Report ID
mov [USBFS_1_t2], A ; Use the UM temp var--Selector
pop A ; Get the MSB back
push A ; Don't loose the pointer MSB
romx ; Get the table size
cmp A, [USBFS_1_t2] ; Range check
jc .not_supported_pop_1
pop A ; Get the MSB back
ret ; Finished A:X point to the TD
.not_supported_pop_1:
pop A ; Restore the stack
.not_supported:
mov A, 0 ; Return a null pointer
mov X, A ;
ret
;-----------------------------------------------------------------------------
; FUNCTION NAME: USBFS_1_GetInterfaceLookupTable
;
; DESCRIPTION: Point to the interface lookup table
;
;-----------------------------------------------------------------------------
;
; ARGUMENTS:
;
; RETURNS:
;
; SIDE EFFECTS: REGISTERS ARE VOLATILE: THE A AND X REGISTERS MAY BE MODIFIED!
;
; THEORY of OPERATION or PROCEDURE:
;
;-----------------------------------------------------------------------------
export USBFS_1_GetInterfaceLookupTable:
USBFS_1_GetInterfaceLookupTable:
call USBFS_1_GET_CONFIG_TABLE_ENTRY ; Get the CONFIG_LOOKUP entry
swap A, X ; Second entry points to the HID_LOOKUP table
add A, 2 ; So add two
swap A, X ;
adc A, 0 ; Don't forget the carry
mov [USBFS_1_t2],USBFS_1_t1 ; Set the GETWORD destination
call USBFS_1_GETWORD ; Get the pointer to the HID_LOOKUP table
; ITempW has the address
mov A, [USBFS_1_t1] ; Get the table address MSB
mov X, [USBFS_1_t1+1] ; Get the table address LSB
ret
;-----------------------------------------------------------------------------
;-----------------------------------------------------------------------------
; USB 2nd Tier Dispactch Jump Tables for HID Class Requests (based on bRequest)
;-----------------------------------------------------------------------------
; FUNCTION NAME: ; USB 2nd Tier Dispactch Jump Table
;
; DESCRIPTION: The following tables dispatch to the Standard request handler
; functions. (Assumes bmRequestType(5:6) is 0, Standard)
;
;-----------------------------------------------------------------------------
;
; ARGUMENTS:
;
; RETURNS:
;
; SIDE EFFECTS: REGISTERS ARE VOLATILE: THE A AND X REGISTERS MAY BE MODIFIED!
;
; THEORY of OPERATION or PROCEDURE:
;
;-----------------------------------------------------------------------------
;-----------------------------------------------------------------------------
USBFS_1_DT_h2d_cls_ifc:
;-----------------------------------------------------------------------------
jmp USBFS_1_CB_h2d_cls_ifc_00
jmp USBFS_1_CB_h2d_cls_ifc_01
jmp USBFS_1_CB_h2d_cls_ifc_02
jmp USBFS_1_CB_h2d_cls_ifc_03
jmp USBFS_1_CB_h2d_cls_ifc_04
jmp USBFS_1_CB_h2d_cls_ifc_05
jmp USBFS_1_CB_h2d_cls_ifc_06
jmp USBFS_1_CB_h2d_cls_ifc_07
jmp USBFS_1_CB_h2d_cls_ifc_08
jmp USBFS_1_CB_h2d_cls_ifc_09
jmp USBFS_1_CB_h2d_cls_ifc_10
jmp USBFS_1_CB_h2d_cls_ifc_11
jmp USBFS_1_CB_h2d_cls_ifc_12
USBFS_1_DT_h2d_cls_ifc_End:
USBFS_1_DT_h2d_cls_ifc_Size: equ (USBFS_1_DT_h2d_cls_ifc_End-USBFS_1_DT_h2d_cls_ifc) / 2
USBFS_1_DT_h2d_cls_ifc_Dispatch::
CMP [USBFS_1_Configuration], 0 ; Is the device configured?
JNZ .configured ; Jump on configured
JMP USBFS_1_Not_Supported_Local_Hid ; Stall the request if not configured
; Jump here if the device is configured
.configured:
MOV A, REG[USBFS_1_EP0DATA + bRequest] ; Get the request number
DISPATCHER USBFS_1_DT_h2d_cls_ifc, USBFS_1_DT_h2d_cls_ifc_Size, USBFS_1_Not_Supported_Local_Hid
;-----------------------------------------------------------------------------
USBFS_1_DT_d2h_cls_ifc:
;-----------------------------------------------------------------------------
jmp USBFS_1_CB_d2h_cls_ifc_00
jmp USBFS_1_CB_d2h_cls_ifc_01
jmp USBFS_1_CB_d2h_cls_ifc_02
jmp USBFS_1_CB_d2h_cls_ifc_03
USBFS_1_DT_d2h_cls_ifc_End:
USBFS_1_DT_d2h_cls_ifc_Size: equ (USBFS_1_DT_d2h_cls_ifc_End-USBFS_1_DT_d2h_cls_ifc) / 2
USBFS_1_DT_d2h_cls_ifc_Dispatch::
CMP [USBFS_1_Configuration], 0 ; Is the device configured?
JNZ .configured ; Jump on configured
JMP USBFS_1_Not_Supported_Local_Hid ; Stall the request if not configured
; Jump here if the device is configured
.configured:
MOV A, REG[USBFS_1_EP0DATA + bRequest] ; Get the request number
DISPATCHER USBFS_1_DT_d2h_cls_ifc, USBFS_1_DT_d2h_cls_ifc_Size, USBFS_1_Not_Supported_Local_Hid
IF (USB_CB_SRC_d2h_cls_ifc_00 & USB_NOT_SUPPORTED)
export USBFS_1_CB_d2h_cls_ifc_00
USBFS_1_CB_d2h_cls_ifc_00:
ENDIF
IF (USB_CB_SRC_d2h_cls_ifc_01 & USB_NOT_SUPPORTED)
export USBFS_1_CB_d2h_cls_ifc_01
USBFS_1_CB_d2h_cls_ifc_01:
ENDIF
IF (USB_CB_SRC_d2h_cls_ifc_02 & USB_NOT_SUPPORTED)
export USBFS_1_CB_d2h_cls_ifc_02
USBFS_1_CB_d2h_cls_ifc_02:
ENDIF
IF (USB_CB_SRC_d2h_cls_ifc_03 & USB_NOT_SUPPORTED)
export USBFS_1_CB_d2h_cls_ifc_03
USBFS_1_CB_d2h_cls_ifc_03:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_00 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_00
USBFS_1_CB_h2d_cls_ifc_00:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_01 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_01
USBFS_1_CB_h2d_cls_ifc_01:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_02 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_02
USBFS_1_CB_h2d_cls_ifc_02:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_03 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_03
USBFS_1_CB_h2d_cls_ifc_03:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_04 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_04
USBFS_1_CB_h2d_cls_ifc_04:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_05 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_05
USBFS_1_CB_h2d_cls_ifc_05:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_06 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_06
USBFS_1_CB_h2d_cls_ifc_06:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_07 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_07
USBFS_1_CB_h2d_cls_ifc_07:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_08 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_08
USBFS_1_CB_h2d_cls_ifc_08:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_09 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_09
USBFS_1_CB_h2d_cls_ifc_09:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_10 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_10
USBFS_1_CB_h2d_cls_ifc_10:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_11 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_11
USBFS_1_CB_h2d_cls_ifc_11:
ENDIF
IF (USB_CB_SRC_h2d_cls_ifc_12 & USB_NOT_SUPPORTED)
export USBFS_1_CB_h2d_cls_ifc_12
USBFS_1_CB_h2d_cls_ifc_12:
ENDIF
USBFS_1_Not_Supported_Local_Hid:
LJMP USBFS_1_Not_Supported
USBFS_1_GetTableEntry_Local_Hid:
LJMP USBFS_1_GetTableEntry
;-----------------------------------------------
; Add custom application code for routines
; redefined by USB_APP_SUPPLIED in USB_HID.INC
;-----------------------------------------------
;@PSoC_UserCode_BODY_1@ (Do not change this line.)
;---------------------------------------------------
; Insert your custom code below this banner
;---------------------------------------------------
;---------------------------------------------------
; Insert your custom code above this banner
;---------------------------------------------------
;@PSoC_UserCode_END@ (Do not change this line.)
; End of File USBFS_1_cls_hid.asm
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