I also have an audio project that I'd like to try with the IOIO. I was 
curious if anybody already has an .ioioapp built with 8kHz or higher sample 
rate that they would be willing to upload or share somehow. Looking at the 
code, it is very simple to change the rate, but it would be nice to have a 
proof of concept before I invest the time to set up the full toolchain for 
building custom firmware. Let me know if that would be a possibility. 
Thanks.

On Wednesday, September 17, 2014 10:55:41 PM UTC-6, Ytai wrote:
>
> I use Cygwin when working on Windows, and some of the tools are written in 
> bash, so you'd need cygwin.
> The IOIO-OTG is platform IOIO0300, so build that configuration (or easier, 
> just build all the projects in all configurations.
> After everything has been build run (from the project root):
>
> tools/make-ioio-bundle  firmware/app_layer_v1/dist foo.ioioapp IOIO0030
>
> This will create a foo.ioioapp file that you can use with IOIODude.
> You can add more platform names as additional arguments if you want your 
> ioioapp file to include images for other versions of IOIO.
>
> On Tue, Sep 16, 2014 at 7:28 PM, T.S Wang <[email protected] <javascript:>> 
> wrote:
>
>> Hi all,
>>
>> I would like to use ioio-otg to sample some audio signal for an android 
>> phone. And the default A/D sampling rate 1kHZ is too low for me, I'd like 
>> to have a sample rate around 10khz.
>> after read the relevant discussion in this group, it seems I just need to 
>> simply change a "PR3" settings and build my own firmware. 
>>
>> So I download a maple ide(now its v2.15) , and then XC16 complier. It 
>> seems C30 complier is not avaliable for downloading.  after choose the 
>> complier in ide. I can successfully built
>> the project and got a hex file as 
>> dist/ioio0021/production/app_layer_v1.production.hex
>> then I compiled the /tools/hex2ioio/hex2ioio.c and use it to transfer the 
>> above hex file to a .ioio file.  But then i am confused about how to use 
>> the ioio-bundle tools to get a ioioapp file. it required a multiple file 
>> input but I only have one hex file. 
>>
>> I am using windows7, 32 bit version. Does I need a cygwin installed to 
>> build the firmware in cmd line? if so, is there any guild-line to do this? 
>> I am not familiar with linux environment, so quite worry about it. 
>>
>> Any suggestions? Thanks in advance!
>>
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