Change default SCL clock frequency to 100 kbps (standard-mode)

MozOpenHard / CHIRIMEN

Hardware Informations about The First Prototype MozOpenHard CHIRIMEN

http://mozopenhard.mozillafactory.org/

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Change default SCL clock frequency to 100 kbps (standard-mode) #48

Closed dadaa closed 8 years ago

dadaa commented 8 years ago

I tried to use a following sensor AM2320, but the sensor could not work. http://akizukidenshi.com/download/ds/aosong/AM2320.pdf Also I did i2cdetect command on CHIRIMEN, but it was not detected. According to the spec, this sensor supports up to 100khz SCL clock frequency. Other sensors that are working well support 400khz. So the reason may be the frequency.

standard-mode: up to 100 kbit/s. fast-mode: up to 400 kbit/s fast-mode plus: up to 1000 kbit/s HS-mode: up to 3.4 Mbit/s.

dynamis commented 8 years ago

To support more devices, default build should use standard-mode (rebuild karnel if you want to use fast mode)

MSakamaki commented 8 years ago

This issue was moved to chirimen-oh/any-issues#84