KolibriOS/kolibrios
12
4
Fork 12
Code Issues 78 Pull Requests 5 Projects Releases Activity

Small bugfixes. Fixed stack problem in ftdi_set_baudrate. Updated license header

Browse Source 
git-svn-id: svn://kolibrios.org@5035 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
gtament 2014-08-16 18:56:06 +00:00
parent 69c37e86f7
commit 21cbeaec75
1 changed files with 30 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
drivers/usb/usbftdi/usbftdi.asm
View File

@ -3,6 +3,13 @@
;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; FTDI chips driver for KolibriOS ;;
;; ;;
;; Written by gtament@gmail.com ;;
;; ;;
;; GNU GENERAL PUBLIC LICENSE ;;
;; Version 2, June 1991 ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
format MS COFF
@ -15,10 +22,10 @@ __DEBUG_LEVEL__ = 1
node equ ftdi_context
node.next equ ftdi_context.next_context
include '../../proc32.inc'
include '../../imports.inc'
include '../../fdo.inc'
include '../../struct.inc'
include '../proc32.inc'
include '../imports.inc'
include '../fdo.inc'
include '../struct.inc'
public START
public version
@ -310,7 +317,9 @@ endl
jz .ftdi_unlock ;3
mov ebx, [esi+4]
mov ecx, [ebx + ftdi_context.lockPID]
mov ecx, [ebx + ftdi_context.lockPID]
cmp dword[esi], 0
jz .error
cmp ecx, [esi]
jz .pid_ok
mov esi, [edi+output]
@ -390,6 +399,7 @@ endl
mov esi, [edi+output]
mov [esi], dword 'ERR0'
or [esi], eax
ret
.endswitch:
xor eax, eax
ret
@ -408,7 +418,7 @@ endl
jmp .endswitch
.ftdi_out_control_transfer_withinp:
mov dx, word[edi+8]
mov dx, word[edi+8]
mov word[ConfPacket+2], dx
.ftdi_out_control_transfer_noinp:
mov ebx, [edi+4]
@ -430,27 +440,27 @@ endl
jmp .endswitch
.ftdi_setrtshigh:
DEBUGF 1,'K : FTDI Setting RTS pin HIGH\n'
;DEBUGF 1,'K : FTDI Setting RTS pin HIGH\n'
mov dword[ConfPacket], (FTDI_DEVICE_OUT_REQTYPE) + (SIO_SET_MODEM_CTRL_REQUEST shl 8) + (SIO_SET_RTS_HIGH shl 16)
jmp .ftdi_out_control_transfer_noinp
.ftdi_setrtslow:
DEBUGF 1,'K : FTDI Setting RTS pin LOW\n'
;DEBUGF 1,'K : FTDI Setting RTS pin LOW\n'
mov dword[ConfPacket], (FTDI_DEVICE_OUT_REQTYPE) + (SIO_SET_MODEM_CTRL_REQUEST shl 8) + (SIO_SET_RTS_LOW shl 16)
jmp .ftdi_out_control_transfer_noinp
.ftdi_setdtrhigh:
DEBUGF 1,'K : FTDI Setting DTR pin HIGH\n'
;DEBUGF 1,'K : FTDI Setting DTR pin HIGH\n'
mov dword[ConfPacket], (FTDI_DEVICE_OUT_REQTYPE) + (SIO_SET_MODEM_CTRL_REQUEST shl 8) + (SIO_SET_DTR_HIGH shl 16)
jmp .ftdi_out_control_transfer_noinp
.ftdi_setdtrlow:
DEBUGF 1,'K : FTDI Setting DTR pin LOW\n'
;DEBUGF 1,'K : FTDI Setting DTR pin LOW\n'
mov dword[ConfPacket], (FTDI_DEVICE_OUT_REQTYPE) + (SIO_SET_MODEM_CTRL_REQUEST shl 8) + (SIO_SET_DTR_LOW shl 16)
jmp .ftdi_out_control_transfer_noinp
.ftdi_usb_reset:
DEBUGF 1,'K : FTDI Reseting\n'
;DEBUGF 1,'K : FTDI Reseting\n'
mov dword[ConfPacket], (FTDI_DEVICE_OUT_REQTYPE) + (SIO_RESET_REQUEST shl 8) + (SIO_RESET_SIO shl 16)
jmp .ftdi_out_control_transfer_noinp
@ -463,7 +473,6 @@ endl
jmp .ftdi_out_control_transfer_noinp
.ftdi_set_bitmode:
DEBUGF 1,'K : FTDI Seting bitmode\n'
mov word[ConfPacket], (FTDI_DEVICE_OUT_REQTYPE) + (SIO_SET_BITMODE_REQUEST shl 8)
jmp .ftdi_out_control_transfer_withinp
@ -591,7 +600,7 @@ endl
mov edi, [ioctl]
mov esi, [edi+input]
mov edi, [edi+output]
mov ebx, [esi+4]
mov ebx, [esi+4]
;---Dirty hack begin
mov eax, [esi+8]
call Kmalloc
@ -602,7 +611,7 @@ endl
jmp .eventdestroy
@@:
mov edi, eax
mov dword[ConfPacket], eax
mov dword[ConfPacket], eax ; Store in ConfPAcket ptr to allocated memory
;---Dirty hack end
xor ecx, ecx
.read_loop:
@ -628,6 +637,7 @@ endl
cmp [EventData+8], -1
jz .error
add ecx, [EventData+8]
DEBUGF 1, 'K : In buffer %x\n', [edi]
jmp .read_loop
;---Dirty hack begin
.read_end:
@ -705,13 +715,12 @@ endl
jmp .endswitch
.ftdi_lock:
DEBUGF 1, 'K : FTDI lock attempt\n'
mov esi, [edi+input]
mov ebx, [esi+4]
mov eax, [ebx + ftdi_context.lockPID]
DEBUGF 1, 'K : to PID %x from PID %x\n', [esi], eax
test eax, eax
jnz .lockedby
DEBUGF 1, 'K : Lock success\n'
mov eax, [esi]
mov [ebx + ftdi_context.lockPID], eax
.lockedby:
@ -724,6 +733,7 @@ endl
mov edi, [edi+output]
mov ebx, [esi+4]
mov eax, [ebx + ftdi_context.lockPID]
DEBUGF 1, 'K : to PID %x from PID %x\n', [esi], eax
cmp eax, [esi]
jnz .unlockimp
mov [ebx + ftdi_context.lockPID], 0
@ -842,13 +852,12 @@ C_CLK = 48000000
.rounddownbaud:
mov edx, eax ; edx - encoded_divisor
shr edx, 3
and eax, 0x7
push esp
push 7 6 5 1 4 2 3 0
and eax, 0x7
push 7 6 5 1 4 2 3 0
mov eax, [esp+eax*4]
shl eax, 14
or edx, eax
mov esp, [esp+36]
or edx, eax
add esp, 32
.calcend:
mov eax, edx ; eax - *value