Search found 38 matches

by ninja2
Thu Mar 01, 2012 11:38 am
Forum: LCDK: LCD & Keypad Shield
Topic: LCD Menu
Replies: 4
Views: 6180

Re: LCD Menu

your question is really about coding, so you'd do better asking this on the arduino forums here http://arduino.cc/forum/index.php/board,4.0.html where many more people will offer to help
by ninja2
Thu Feb 16, 2012 10:55 am
Forum: USBDroid
Topic: How much memory is lost to bootloader?
Replies: 9
Views: 6454

Re: How much memory is lost to bootloader?

OK with the help of some very knowledgeble people over on the arduino forum here: http://arduino.cc/forum/index.php/topic,91176.msg692925.html#msg692925 I can report .... my USBdroid is reporting the bootloader version as 3.3. Apparently this means it's highly likely to have the bug where 4K of uppe...
by ninja2
Tue Feb 14, 2012 8:21 pm
Forum: USBDroid
Topic: How much memory is lost to bootloader?
Replies: 9
Views: 6454

Re: How much memory is lost to bootloader?

Jon Thanks for that helpful info. As I understand optiboot v4.4 is just 512 bytes, which results in 32,768 - 512 = 32,256 bytes of useable flash memory. 32,256 bytes available memory is reported by the (1.0) IDE when I compile for the USBdroid, but we (myself and MarkS so far) are finding that avail...
by ninja2
Tue Feb 14, 2012 11:02 am
Forum: ES: Ethernet Shield
Topic: Online thermometer tutorial
Replies: 3
Views: 6534

Re: Online thermometer tutorial

Jon - could you please respond to my thread on bootloader size in the UBSdroid section, a few of us a're hanging on your input !
thanks :)
by ninja2
Mon Feb 13, 2012 9:02 pm
Forum: USBDroid
Topic: How much memory is lost to bootloader?
Replies: 9
Views: 6454

Re: How much memory is lost to bootloader?

Mark, no not game yet. I'm hanging out for Freetronics to advise what they know about their bootloader first. We're in the same boat, I need that extra 4K for my remaining features! In fact I've had to comment a whole lot out for now to keep adding :x I haven't loaded another bootloader before, alth...
by ninja2
Sun Feb 12, 2012 12:01 am
Forum: USBDroid
Topic: How much memory is lost to bootloader?
Replies: 9
Views: 6454

Re: How much memory is lost to bootloader?

Excellent, thanks MarkS

I reckon that confirms the limit of available flash memory is about 4K less than it should / could be.

We really need help from Freetronics on this one (are you there Jon? :) )
by ninja2
Sat Feb 11, 2012 10:51 am
Forum: USBDroid
Topic: How much memory is lost to bootloader?
Replies: 9
Views: 6454

Re: How much memory is lost to bootloader?

Mark Yes my story is similar. I've leant how to use PROGMEM to save SRAM overflows and now have lots of strings in flash/program memory, which swells my code size. It would help to know exact size of your biggest running sketch, in bytes (when you compile ...)? I get a message like "fail to upload" ...
by ninja2
Fri Feb 10, 2012 11:57 am
Forum: USBDroid
Topic: How much memory is lost to bootloader?
Replies: 9
Views: 6454

How much memory is lost to bootloader?

Background is this discussion I've been having over on Arduino forum, Programming section: http://arduino.cc/forum/index.php/topic,91176.msg685277.html#new 1) does as a USBdroid have same bootloader as a genuine Uno? 2) how much flash memory is consumed by bootloader, etc 3) why does IDE report avai...
by ninja2
Sun Feb 05, 2012 11:06 am
Forum: USBDroid
Topic: UsbDroid talking to Android phone working :-)
Replies: 5
Views: 5134

Re: UsbDroid talking to Android phone working :-)

yes it's amazing how many hours can dissappear in Arduino code alone, but you're into Arduino to Android as well which has got to be even more challenging. I want to get into controlling Android from Arduino soon ... more hours will dissappear!
by ninja2
Sat Feb 04, 2012 2:13 pm
Forum: LCDK: LCD & Keypad Shield
Topic: USBdroid+LCDkeypad: conflict on D4 (Chip Select for SD)
Replies: 4
Views: 3850

Re: USBdroid+LCDkeypad: conflict on D4 (Chip Select for SD)

OK so D3 is committed to the backlight, but D2 appears to be free. I just got this working using A1 to drive LCD enable and D2 to drive LCD data line 4 with intialisation command: LiquidCrystal (8,A1,2,5,6,7) This way: D4 stays as Chip Select for the microSD and D9 stays as USBINT for the Android po...