KolibriOS/kolibrios
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Small fix for buffer address in ftdi_write_data. Added some error checks

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git-svn-id: svn://kolibrios.org@5042 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
gtament 2014-08-18 12:17:38 +00:00
parent bf60efb41b
commit 009c3b7c15
1 changed files with 27 additions and 20 deletions
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43
drivers/usb/usbftdi/usbftdi.asm
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@ -48,7 +48,6 @@ HID_DESCR_TYPE = 21h
REPORT_DESCR_TYPE = 22h
PHYSICAL_DESCR_TYPE = 23h
; LibUSB constatnts
LIBUSB_REQUEST_TYPE_STANDARD = (0x00 shl 5)
LIBUSB_REQUEST_TYPE_CLASS = (0x01 shl 5)
@ -292,7 +291,7 @@ out_size equ IOCTL.out_size
align 4
proc service_proc stdcall uses ebx esi edi, ioctl:DWORD
locals
ConfPacket rb 8
ConfPacket rb 10
EventData rd 3
endl
mov edi, [ioctl]
@ -396,9 +395,10 @@ endl
.version:
jmp .endswitch
.error:
mov esi, [edi+output]
mov [esi], dword 'ERR0'
or [esi], eax
DEBUGF 1, 'K : FTDI error occured! %d\n', eax
;mov esi, [edi+output]
;mov [esi], dword 'ERR0'
;or [esi], eax
ret
.endswitch:
xor eax, eax
@ -437,7 +437,10 @@ endl
mov eax, [EventData]
mov ebx, [EventData+4]
call WaitEvent
jmp .endswitch
mov eax, [EventData+8]
test eax, eax
jz .endswitch
jmp .error
.ftdi_setrtshigh:
;DEBUGF 1,'K : FTDI Setting RTS pin HIGH\n'
@ -503,20 +506,29 @@ endl
jmp .own_index
.ftdi_read_pins:
mov ebx, [edi]
mov ebx, [edi+4]
mov dword[ConfPacket], FTDI_DEVICE_IN_REQTYPE + (SIO_READ_PINS_REQUEST shl 8) + (0 shl 16)
mov ecx, [ebx + ftdi_context.index]
mov word[ConfPacket+4], cx
mov word[ConfPacket+6], 1
lea esi, [ConfPacket]
lea edi, [EventData]
mov ecx, [ioctl]
mov ecx, [ecx+output]
mov ecx, esi
add ecx, 8
mov word[ConfPacket+8], 0
stdcall USBControlTransferAsync, [ebx + ftdi_context.nullP], esi, ecx, 1, control_callback, edi, 0
mov eax, [EventData]
mov ebx, [EventData+4]
call WaitEvent
jmp .endswitch
xor ebx, ebx
mov bx, word[ConfPacket+8]
mov ecx, [ioctl]
mov ecx, [ecx+output]
mov [ecx], ebx
mov eax, [EventData+8]
test eax, eax
jz .endswitch
jmp .error
.ftdi_set_wchunksize:
mov ebx, [edi+4]
@ -565,10 +577,11 @@ endl
@@:
mov dword[ConfPacket], eax
mov ecx, [edi+8]
push edi esi
push edi
mov edi, eax
rep movsb
pop esi edi
pop edi
mov esi, dword[ConfPacket]
;---Dirty hack end
xor ecx, ecx ; ecx - offset
.write_loop:
@ -585,9 +598,6 @@ endl
mov eax, [EventData]
mov ebx, [EventData+4]
call WaitEvent
mov eax, [EventData]
mov ebx, [EventData+4]
call ClearEvent
pop edi esi ebx ecx
cmp [EventData+8], -1
jz .error
@ -635,9 +645,6 @@ endl
mov eax, [EventData]
mov ebx, [EventData+4]
call WaitEvent
mov eax, [EventData]
mov ebx, [EventData+4]
call ClearEvent
pop ebx ecx edi esi
cmp [EventData+8], -1
jz .error