86Duino demo: reading ADC0
git-svn-id: svn://kolibrios.org@6878 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
parent
ce35591444
commit
bfd672d9a4
@ -1,12 +1,10 @@
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; ;;
|
||||
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
|
||||
;; Copyright (C) KolibriOS team 2015-2017. All rights reserved. ;;
|
||||
;; Distributed under terms of the GNU General Public License ;;
|
||||
;; ;;
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
;driver sceletone
|
||||
|
||||
format PE DLL native 0.05
|
||||
entry START
|
||||
|
||||
@ -23,11 +21,15 @@ entry START
|
||||
|
||||
section '.flat' code readable writable executable
|
||||
|
||||
include 'proc32.inc'
|
||||
include 'struct.inc'
|
||||
include 'macros.inc'
|
||||
include 'peimport.inc'
|
||||
include 'fdo.inc'
|
||||
include '../proc32.inc'
|
||||
include '../struct.inc'
|
||||
include '../macros.inc'
|
||||
include '../peimport.inc'
|
||||
include '../fdo.inc'
|
||||
|
||||
GPIO_PORT_CONFIG_ADDR = 0xF100
|
||||
GPIO_DATA_ADDR = 0xF200
|
||||
ADC_ADDR = 0xFE00
|
||||
|
||||
proc START c, state:dword, cmdline:dword
|
||||
|
||||
@ -43,19 +45,59 @@ proc START c, state:dword, cmdline:dword
|
||||
jz .fail
|
||||
|
||||
; Set crossbar base address register in southbridge
|
||||
invoke PciWrite16, [bus], [dev], 64h, 0x0A00 or 1
|
||||
invoke PciWrite16, [bus], [dev], 0x64, 0x0A00 or 1
|
||||
|
||||
; Set GPIO base address register in southbridge
|
||||
invoke PciWrite16, [bus], [dev], 62h, 0xF100 or 1
|
||||
invoke PciWrite16, [bus], [dev], 0x62, GPIO_PORT_CONFIG_ADDR or 1
|
||||
|
||||
DEBUGF 1,"Setting up ADC\n"
|
||||
|
||||
; Enable ADC
|
||||
invoke PciRead32, [bus], [dev], 0xBC
|
||||
and eax, not (1 shl 28)
|
||||
invoke PciWrite32, [bus], [dev], 0xBC, eax
|
||||
|
||||
DEBUGF 1,"1\n"
|
||||
|
||||
; Set ADC base address
|
||||
mov ebx, [dev]
|
||||
inc ebx
|
||||
invoke PciRead16, [bus], ebx, 0xDE
|
||||
or ax, 0x02
|
||||
invoke PciWrite16, [bus], ebx, 0xDE, eax
|
||||
|
||||
invoke PciWrite32, [bus], ebx, 0xE0, 0x00500000 or ADC_ADDR
|
||||
|
||||
DEBUGF 1,"2\n"
|
||||
|
||||
; set up ADC
|
||||
mov dx, ADC_ADDR + 1
|
||||
xor al, al
|
||||
out dx, al
|
||||
|
||||
DEBUGF 1,"3\n"
|
||||
|
||||
; Empty FIFO
|
||||
@@:
|
||||
mov dx, ADC_ADDR + 2 ; Status register
|
||||
in al, dx
|
||||
test al, 0x01 ; FIFO ready
|
||||
jz @f
|
||||
mov dx, ADC_ADDR + 4
|
||||
in ax, dx
|
||||
jmp @r
|
||||
@@:
|
||||
|
||||
DEBUGF 1,"4\n"
|
||||
|
||||
; Enable GPIO0-9
|
||||
mov dx, 0xf100
|
||||
mov dx, GPIO_PORT_CONFIG_ADDR + 0 ; General-Purpose I/O Data & Direction Decode Enable
|
||||
mov eax, 0x000001ff
|
||||
out dx, eax
|
||||
|
||||
mov ecx, 10
|
||||
mov dx, 0xf104
|
||||
mov ax, 0xf200
|
||||
mov ecx, 10 ; 10 GPIO ports total
|
||||
mov dx, GPIO_PORT_CONFIG_ADDR + 4 ; General-Purpose I/O Port0 Data & Direction Decode Address
|
||||
mov ax, GPIO_DATA_ADDR
|
||||
.gpio_init:
|
||||
; Set GPIO data port base address
|
||||
out dx, ax
|
||||
@ -71,18 +113,13 @@ proc START c, state:dword, cmdline:dword
|
||||
|
||||
; Set GPIO0 pin 0 as output
|
||||
mov al, 0x01
|
||||
mov dx, 0xf202
|
||||
out dx, al
|
||||
|
||||
; Set GPIO4 pin 0 as output
|
||||
mov al, 0x01
|
||||
mov dx, 0xf212
|
||||
mov dx, GPIO_DATA_ADDR + 0*4 + 2
|
||||
out dx, al
|
||||
|
||||
invoke RegService, my_service, service_proc
|
||||
ret
|
||||
.fail:
|
||||
.exit:
|
||||
.fail:
|
||||
.exit:
|
||||
xor eax, eax
|
||||
ret
|
||||
endp
|
||||
@ -100,23 +137,49 @@ proc service_proc stdcall, ioctl:dword
|
||||
mov dword [eax], API_VERSION
|
||||
xor eax, eax
|
||||
ret
|
||||
@@:
|
||||
@@:
|
||||
cmp eax, 1 ; read GPIO P0
|
||||
jne @f
|
||||
mov dx, 0xf200
|
||||
jne .no_gpioread
|
||||
mov dx, GPIO_DATA_ADDR + 0x00
|
||||
in al, dx
|
||||
ret
|
||||
@@:
|
||||
.no_gpioread:
|
||||
cmp eax, 2 ; write GPIO P0
|
||||
jne @f
|
||||
jne .no_gpiowrite
|
||||
|
||||
mov eax, [ebx + IOCTL.input]
|
||||
mov dx, 0xf200
|
||||
mov dx, GPIO_DATA_ADDR + 0x00
|
||||
out dx, al
|
||||
xor eax, eax
|
||||
ret
|
||||
@@:
|
||||
.fail:
|
||||
.no_gpiowrite:
|
||||
cmp eax, 3 ; read ADC channel 0
|
||||
jne .no_adcread
|
||||
|
||||
mov dx, ADC_ADDR + 1
|
||||
mov al, 1 shl 3 ; Power down ADC
|
||||
out dx, al
|
||||
|
||||
mov dx, ADC_ADDR + 0 ; AUX channel select register
|
||||
mov al, 1 shl 0 ; Enable AUX0 scan
|
||||
out dx, al
|
||||
|
||||
mov dx, ADC_ADDR + 1
|
||||
mov al, 1 shl 0 ; Single shot, no interrupts, start
|
||||
out dx, al
|
||||
|
||||
mov dx, ADC_ADDR + 2
|
||||
@@:
|
||||
in al, dx
|
||||
test al, 1 shl 0 ; data ready?
|
||||
jz @r
|
||||
|
||||
mov dx, ADC_ADDR + 4
|
||||
in ax, dx ; read the data and return to user call
|
||||
DEBUGF 1, "ADC read: 0x%x\n", eax:4
|
||||
ret
|
||||
.no_adcread:
|
||||
.fail:
|
||||
or eax, -1
|
||||
ret
|
||||
endp
|
||||
@ -126,14 +189,14 @@ proc detect
|
||||
push ebx
|
||||
invoke GetPCIList
|
||||
mov ebx, eax
|
||||
.next_dev:
|
||||
.next_dev:
|
||||
mov eax, [eax+PCIDEV.fd]
|
||||
cmp eax, ebx
|
||||
jz .err
|
||||
mov edx, [eax+PCIDEV.vendor_device_id]
|
||||
|
||||
mov esi, devices
|
||||
@@:
|
||||
@@:
|
||||
cmp dword [esi], 0
|
||||
jz .next_dev
|
||||
cmp edx, [esi]
|
||||
@ -142,7 +205,7 @@ proc detect
|
||||
add esi, STRIDE
|
||||
jmp @B
|
||||
|
||||
.found:
|
||||
.found:
|
||||
movzx ebx, [eax+PCIDEV.devfn]
|
||||
mov [dev], ebx
|
||||
movzx ebx, [eax+PCIDEV.bus]
|
||||
@ -151,7 +214,7 @@ proc detect
|
||||
inc eax
|
||||
pop ebx
|
||||
ret
|
||||
.err:
|
||||
.err:
|
||||
DEBUGF 1,"Could not find vortex86EX south bridge!\n"
|
||||
xor eax, eax
|
||||
pop ebx
|
||||
|
||||
@ -77,7 +77,13 @@ key: ; Keypress event handler
|
||||
and al, not 1 ; Clear bit 0
|
||||
call write_gpio0
|
||||
jmp event_wait
|
||||
|
||||
@@:
|
||||
cmp ah, 'e'
|
||||
jne @f
|
||||
call read_adc0
|
||||
mov ecx, eax
|
||||
mcall 47, 0x00040100,,25 shl 16 + 25, 0x40000000, 0x00ffffff ; 4 digits hex number in ecx
|
||||
jmp event_wait
|
||||
@@:
|
||||
jmp event_wait ; Just read the key, ignore it and jump to event_wait.
|
||||
|
||||
@ -149,6 +155,12 @@ write_gpio0:
|
||||
mov [IOCTL.input], eax
|
||||
mcall 68, 17, IOCTL
|
||||
ret
|
||||
|
||||
; Read ADC0
|
||||
read_adc0:
|
||||
mov [IOCTL.io_code], 3
|
||||
mcall 68, 17, IOCTL
|
||||
ret
|
||||
|
||||
; *********************************************
|
||||
; ************* DATA AREA *****************
|
||||
@ -159,7 +171,8 @@ write_gpio0:
|
||||
|
||||
text db "This is an 86DUINO GPIO demo program "
|
||||
db " "
|
||||
db "press q/w to toggle GPIO 0 pin 0 ", 0
|
||||
db "press q/w to toggle GPIO 0 pin 0 "
|
||||
db "or e to read ADC0 channel ", 0
|
||||
|
||||
title db "86Duino Example application", 0
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user