Changes: ELPH300

Revision as of 02:09, 28 October 2012

The Canon Powershot ELPH 300 HS (IXUS 220 HS in europe, IXY DIGITAL 410F in japan) was released on March 2011

Since 29.11.2011 CHDK for the Powershot ELPH 300 is available as ALPHA version from the CHDK Autobuild Server.

Reviews

Technical Data

→ Camera Specifications: Canon USA

DIGIC 4 image processor with iSAPS technology
DryOS operating system
12.1 megapixel back-illuminated CMOS, 1/2.3 inch (pixel density: 43 MP/cm²)
Lens: 24-120mm (35mm equiv), 5x optical zoom, F2.7-5.9
Face Detection / 9-point AiAF
Image stabilization (lens shift type)
Display: 2.7 inch LCD, 230,000 pixels
ISO: 100-3200
Built-in flash
Video: Yes 1920 x 1080 @ 24fps, 1280 x 720 @ 30fps, 640 x 480 @ 30fps, 640 x 480 @ 120 fps, 320 x 240 @ 30fps, 320 x240 @ 240 fps
Video format: MOV (H.264 + Linear PCM (Stereo))
HDMI mini connector
Storage: SD, SDHC, SDXC, MMC, MMCplus, HC MMCplus
Power: Canon Li-ion Battery NB-4L
Weight (without battery): 123g
Weight (with battery): 141g
Dimensions: 92.2 x 56 x 20 mm (3.62 x 2.2 x 0.79 inch)
Release Date: 2011

Firmware info

The "ver.req" trick (see FAQ, "How can I get the original firmware version number of my camera") does not appear to work with this camera. Use ACID or CameraVersion. (See here in the porting thread.)

CHDK Specialties

This section describes special CHDK-related things...

The <Alt> mode is bound to this button: Video(latest alpha version, 26-Nov-2011)
A short press of Video button will toggle <ALT> mode.
A long Press of video button will restore original Canon functionality...
ISO ranges accepted by the camera (marketing ISO) are ISO 50 to ISO 8000. CHDK ISOs (Real ISOs) are about 1/3 to 2/3 slower. Note that the camera does not have icons for ISO 50 - 80 and above 6400 when shooting, but image review will show the (marketing) ISO.

For Developers

General info

FW start address: 0xFF810000

LED addresses

#define LED_GREEN      0xC0220130 //LED on the back of the camera
#define LED_AF         0xC0223030 //Autofocus LED

Firmware dumps

Firmware 1.00C, dumped by whim: box.net share
Firmware 1.01A, dumped by Murmelgoblin: zshare link (forum link)
Firmware 1.01C, dumped by sush: box.com share (forum link)
Firmware 1.01D, dumped by bluepic: zshare link (forum link )
Firmware 1.01E, dumped by siloxr: box.com share (forum link )
Firmware 1.01G, dumped by stefantalpalaru: box.com (forum link )

Download location for firmware dumps:
→ P&S firmware dumps mirror

Porting process & links

Porting Thread: http://chdk.setepontos.com/index.php?topic=6341.0

@@ Line 16: / Line 16: @@
 ==Technical Data==
-→ Camera Specifications: [http://www.usa.canon.com/cusa/consumer/products/cameras/digital_cameras/powershot_elph_300_hs#Specifications] Canon USA
+→ Camera Specifications: [http://www.usa.canon.com/cusa/consumer/products/cameras/digital_cameras/powershot_elph_300_hs_silver#Specifications Canon USA]
-*'''DIGIC IV''' image processor with iSAPS technology
+*'''DIGIC 4''' image processor with iSAPS technology
 *'''DryOS''' operating system
 * 12.1 megapixel back-illuminated CMOS, 1/2.3 inch (pixel density: 43 MP/cm²)
@@ Line 39: / Line 39: @@
 == Firmware info ==
+The "ver.req" trick (see FAQ, "[http://chdk.wikia.com/wiki/FAQ#Q._How_can_I_get_the_original_firmware_version_number_of_my_camera.3F How can I get the original firmware version number of my camera]") does not appear to work with this camera. Use [http://www.zenoshrdlu.com/acid/acid.html ACID ] or [[CameraVersion]]. (See [http://chdk.setepontos.com/index.php?topic=6341.msg77213#msg77213 here] in the porting thread.)
 ==CHDK Specialties==
 ''This section describes special CHDK-related things...''
-* The <Alt> mode is binded to this button: {{button|Video}}''(latest alpha version, 26-Nov-2011)''
+* The <Alt> mode is bound to this button: {{button|Video}}''(latest alpha version, 26-Nov-2011)''
+* A short press of Video button will toggle <ALT> mode.<br />A long Press of video button will restore original Canon functionality...
+* ISO ranges accepted by the camera (marketing ISO) are ISO 50 to ISO 8000. CHDK ISOs (Real ISOs) are about 1/3 to 2/3 slower. Note that the camera does not have icons for ISO 50 - 80 and above 6400 when shooting, but image review will show the (marketing) ISO.
 ==For Developers==
@@ Line 63: / Line 66: @@
 * Firmware '''1.01D''', dumped by bluepic: [http://www.zshare.net/download/96723673e7b0f43b/ zshare link] ([http://chdk.setepontos.com/index.php?topic=6341.msg76788#msg76788 forum link] )
 * Firmware '''1.01E''', dumped by siloxr: [http://www.box.com/shared/tscho3m30j/1/55272271/1219133683 box.com share] ([http://chdk.setepontos.com/index.php?topic=6341.msg77015#msg77015 forum link] )
+* Firmware '''1.01G''', dumped by stefantalpalaru: [http://www.box.com/s/cx1bjvtfmzga7ftmygac box.com] ([http://chdk.setepontos.com/index.php?topic=6341.msg79508#msg79508 forum link] )
 {{DL dumps}}