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by victhor393
Sun Feb 12, 2012 12:13 am
Forum: General discussion
Topic: config.txt
Replies: 172
Views: 72032

Re: config.txt

Is it possible to force resolutions on HDMI other than the "standard" TV resolutions (480p, 720p, 1080p, etc)?
by victhor393
Fri Feb 10, 2012 2:25 am
Forum: General discussion
Topic: Speed of the GPIO ports? (For electronic fuel injection)
Replies: 22
Views: 11477

Re: Speed of the GPIO ports? (For electronic fuel injection)

<t>A 700 MHz ARM11 for "maths" is too much. I have a MegaSquirt 1 with ignition control running on a 4 cylinder engine extremely well, O2 correction and all. It's powered by a measly MC68HC908GP32 microcontroller at "8 MHz bus speed" and 512 bytes(!) of RAM. A Cortex-M3 would be overkill for a 2 cyl...
by victhor393
Tue Feb 07, 2012 1:45 am
Forum: General discussion
Topic: Documentation questions I2C and second UART
Replies: 5
Views: 1232

Re: Documentation questions I2C and second UART

This is unrelated, but is alternate function "ALT3" for pins GPIO22-25 (SD1_*) assigned to the SD card slot, or is this a second SD interface?
by victhor393
Wed Feb 01, 2012 10:26 am
Forum: General discussion
Topic: Codecs
Replies: 1
Views: 845

Re: Codecs

<t>I had an idea that could help solving the codec issue. It consists of some sort of API, a compiler, and some mechanism on the GPU firmware that allows it to load modules. One would build codec modules with this API, compile it, and place the modules on the SD card. After being initialised, the GP...

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