I think there is an updated driver available (Win 7 & 64bit)

USB AVR Programmer and SPI interface. Adafruit's USBtinyISP.

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erg144
 
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I think there is an updated driver available (Win 7 & 64bit)

Post by erg144 »

I also have this product and find it quite frustrating with the drivers. Windows 7 64 bit. I can eventually install the drivers like suggested here, and driver manager says they are installed, working and up-to-date. My problem is the device is not associated with any com port, consequently it can not be seen/used.

Am I missing something here? Shouldn't there be a com port?

When I try and use the ide, I just get a device not found. Sigh - so much time trying to fix the things that support the things I want to do.

adafruit
 
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Re: I think there is an updated driver available (Win 7 & 64bit)

Post by adafruit »

http://www.ladyada.net/make/usbtinyisp/faq.html
Why is there no Serial/COM/port (or /dev/ttyXX device) ?

USBtiny is not a USB-Serial dervice, it is its own USB protocol which is understood by Avrdude. You will not see a COM port or Serial port created when you plug it in

erg144
 
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Re: I think there is an updated driver available (Win 7 & 64bit)

Post by erg144 »

that may be true but I can only get this type of response

avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
this check.

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adafruit_support_bill
 
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Re: I think there is an updated driver available (Win 7 & 64bit)

Post by adafruit_support_bill »

I can only get this type of response
What is the command you are using?

yogimarkmac
 
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Re: I think there is an updated driver available (Win 7 & 64bit)

Post by yogimarkmac »

I too am running Win7 64 and have been having intermittent problems with AVRdude not seeing the programmer, but unplugging the USB cable and reconnecting always solved the problem (at least for one chip burn). Just the other day I suddenly started getting the exact same message as mentioned in the previous post:
avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
I'm just using the Arduino 1.0 interface for a standard sketch upload.
I managed to use my Seeeduino board as an ISP to program the ATtiny and used the same cable, so obviously the cable isn't at fault. I don't know if my programmer suddenly died and I need a new one or what. Please advise.

adafruit
 
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Re: I think there is an updated driver available (Win 7 & 64bit)

Post by adafruit »

yogimarkmac wrote:I too am running Win7 64 and have been having intermittent problems with AVRdude not seeing the programmer, but unplugging the USB cable and reconnecting always solved the problem (at least for one chip burn). Just the other day I suddenly started getting the exact same message as mentioned in the previous post:
avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
I'm just using the Arduino 1.0 interface for a standard sketch upload.
I managed to use my Seeeduino board as an ISP to program the ATtiny and used the same cable, so obviously the cable isn't at fault. I don't know if my programmer suddenly died and I need a new one or what. Please advise.
make a new post, this is unrelated to the original thread

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