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Canon powershot SX110 remote control

It seems the remote control functionality for the powershot SX110 on MacOS X 10.7.5 has been broken for quite some time now.

I stumbled across an open source project gphoto2 also offering remote control functionality.

sudo port install gphoto2
gphoto2 --auto-detect
Model                          Port                                            
Canon PowerShot SX110 IS       usb:253,003   

So far so good…

gphoto2 --summary
*** Error (-53: 'Could not claim the USB device') *** 

Oh dear, something else using the camera…

ps A | grep PTPCamera
16950   ??  S      0:00.11 /System/Library/Image Capture/Devices/PTPCamera.app/Contents/MacOS/PTPCamera -psn_0_712878
killall PTPCamera
gphoto2 --summary
Camera summary:                                                                
Manufacturer: Canon Inc.
Model: Canon PowerShot SX110 IS
  Version: 1-
  Serial Number: 7xxxxxxxxxxxxxxxxxx
Vendor Extension ID: 0xb (1.0)

Capture Formats: JPEG
Display Formats: Association/Directory, Script, DPOF, MS AVI, MS Wave, JPEG, Defined Type, CRW, Unknown(b103), Unknown(b104), Unknown(bf01)

Device Capabilities:
	File Download, File Deletion, File Upload
	Generic Image Capture, No Open Capture, Canon Capture

Storage Devices Summary:

Device Property Summary:
Event Emulate Mode(0xd045):(readwrite) (type=0x4) Enumeration [1,2,3,4,5,6,7] value: 2
Property 0xd04a:(readwrite) (type=0x2) Enumeration [0,1,2,3] value: 0
Size of Output Data from Camera(0xd02e):(read only) (type=0x6) 524288
Size of Input Data to Camera(0xd02f):(read only) (type=0x6) 524288
Battery Type(0xd002):(read only) (type=0x4) Enumeration [0,1,2,3,4,5] value: Unknown (0)
Battery Mode(0xd003):(read only) (type=0x6) Enumeration [0,1,2,3] value: Normal (1)
UNIX Time(0xd034):(readwrite) (type=0x6) 1365413554
Type of Slideshow(0xd047):(read only) (type=0x4) 0
DPOF Version(0xd046):(read only) (type=0x4) 257
Supported Thumb Size(0xd02d):(read only) (type=0x4006) a[4] 119,0,159,0
Average Filesizes(0xd048):(read only) (type=0x4006) a[19] 3981312,2785280,2050048,0,254976,2357248,1658880,1142784,0,153600,1126400,798720,569344,0,86016,0,1026048,571392,284672
Size Quality Mode(0xd02c):(read only) (type=0x4006) Enumeration [
	a[6] 2592,3456,1,0,0,0,
	a[6] 2592,3456,6,0,0,0,
	a[6] 2592,3456,11,0,0,0,
	a[6] 2112,2816,2,0,0,0,
	a[6] 2112,2816,7,0,0,0,
	a[6] 2112,2816,12,0,0,0,
	a[6] 1704,2272,3,0,0,0,
	a[6] 1704,2272,8,0,0,0,
	a[6] 1704,2272,13,0,0,0,
	a[6] 1200,1600,17,0,0,0,
	a[6] 1200,1600,18,0,0,0,
	a[6] 1200,1600,19,0,0,0,
	a[6] 480,640,5,0,0,0,
	a[6] 480,640,10,0,0,0,
	a[6] 480,640,15,0,0,0
	] value: a[6] 0,0,0,0,0,0
Remote API Version(0xd030):(read only) (type=0x6) 256
Model ID(0xd049):(read only) (type=0x6) 38928384
Camera Model(0xd032):(read only) (type=0xffff) 'Canon PowerShot SX110 IS'
Camera Owner(0xd033):(readwrite) (type=0x4002) a[13] 65,100,97,109,32,71,114,97,110,103,101,114,0
Firmware Version(0xd031):(read only) (type=0x6) 16777216
Property 0xd050:(read only) (type=0x2) 0
Property 0xd402:(read only) (type=0xffff) 'Canon PowerShot SX110 IS'
Property 0xd406:(readwrite) (type=0xffff) 'Windows'
Property 0xd407:(read only) (type=0x6) 1

Basic usage

gphoto2 --set-config /main/settings/capture=1      # extend lens
gphoto2 --set-config /main/settings/output=0       # view finder on
gphoto2 --set-config /main/imgsettings/imagesize=0 # max image quality
gphoto2 --capture-image-and-download               # snap
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