A700 USB Remote Request "bit 0x00000008" - fingalo? - AllBest's Builds - CHDK Forum
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A700 USB Remote Request "bit 0x00000008" - fingalo?

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Offline StompSC

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A700 USB Remote Request "bit 0x00000008" - fingalo?
« on: 23 / April / 2008, 07:05:51 »
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Hi,

I've got a A700 without USB Remote Support  :(

I've checked the misc values (I think this are the I/O-Ports?!)

in Record Mode without USB
1:  8c894885
2:  fcdc0fe0
3: bfff
4: 0

In (1) and (2) some higher bits toggle continously, the lowest nibble change to 'd' if USB is connected.
So, I think the right bit is "0x00000008"

In Playback Mode the lowest nibble of (1) change from '0' to '8', so I think, '8' is the right bit position.

Maybe someone could integrate it and give me a feedback to test it.

Thanks in advance! Btw you're doing a great work.

StompSC
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Offline Microfunguy

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Re: A700 USB Remote Request "bit 0x00000008" - fingalo?
« Reply #1 on: 23 / April / 2008, 10:00:05 »
I will send you a copy of SDM.

You can use the normal USB switch or a Ricoh CA-1 remote.


http://stereo.jpn.org/eng/sdm/ca1.htm

You do not need to run a script.



David
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Offline StompSC

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Re: A700 USB Remote Request "bit 0x00000008" - fingalo?
« Reply #2 on: 23 / April / 2008, 11:49:20 »
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Offline Microfunguy

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Re: A700 USB Remote Request "bit 0x00000008" - fingalo?
« Reply #3 on: 23 / April / 2008, 12:56:31 »
Quote from: StompSC on 23 / April / 2008, 11:49:20
I've downloaded the software from the link



I said that I would send you the software.
The webpage link was only for details of the Ricoh switch.

You need to know how it works.
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Offline garcia

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Re: A700 USB Remote Request "bit 0x00000008" - fingalo?
« Reply #4 on: 09 / May / 2008, 19:33:12 »
Hi StompSC,

recently I build me a sound trigger which sets a 5V to the USB of my A700, but unfortunately USB has not been suppurted yet. Then I found this thread and tried out what you mentioned above... and it works  :) There where only two minor changes in the allbest source code. I just add some lines, compiled it and it works:

Index: include/camera.h
===================================================================
--- include/camera.h    (revision 388)
+++ include/camera.h    (working copy)
@@ -240,7 +240,7 @@
     #define CAM_RAW_ROWPIX              2888   // for 6 MP
     #define CAM_RAW_ROWS                2136   // for 6 MP
 
-    #undef  CAM_REMOTE
+//    #undef  CAM_REMOTE
     #undef  CAM_HAS_IS
 
 //----------------------------------------------------------
Index: platform/generic/kbd.c
===================================================================
--- platform/generic/kbd.c      (revision 388)
+++ platform/generic/kbd.c      (working copy)
@@ -20,7 +20,7 @@

+#if defined(CAMERA_a700)
+#define USB_MASK 0x00000008
+#define USB_REG 3
+#endif
+


Thanks alot. Now I will try my sound trigger.
By the way I am new here. So is there any centralized place where new stuff, fixes ... are collected.
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Offline oxd

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Re: A700 USB Remote Request "bit 0x00000008" - fingalo?
« Reply #5 on: 18 / May / 2008, 06:08:12 »
It's great! Add this to AllBest's Build.

I have one question: what battery do you use? 1.5V with some 5V regulator?
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Offline Microfunguy

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Re: A700 USB Remote Request "bit 0x00000008" - fingalo?
« Reply #6 on: 28 / May / 2008, 18:38:09 »
Quote from: garcia on 09 / May / 2008, 19:33:12
+#if defined(CAMERA_a700)
+#define USB_MASK 0x00000008
+#define USB_REG 3


I do not believe this is correct.
I asked 'garcia'  to confirm it but received no reply to my email.

It should be #define USB_REG 0.

An SDM tester has confirmed this works.

That means the trunk version is also incorrect.
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