September 2017
Intermediate to advanced
206 pages
4h 34m
English
Content preview from Intelligent IoT Projects in 7 Days
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GPIO programming on ReSpeaker
ReSpeaker has one MCU MT7688 and co MCU ATmega32U4, so we can access both MCUs from our program. Inside the board, ReSpeaker runs Linux OpenWrt, so we can perform Linux operations on the ReSpeaker terminal. Not all GPIO pins are accessible from a program. ReSpeaker exposes specific GPIOs.
In general, we can use the following GPIO layout of the ReSpeaker board:
You can see here that some GPIO pins belong to MCU MT7688 and MCU ATmega32U4. If you want to know the complete schematic of the ReSpeaker core board, I recommend you read this document at https://github.com/respeaker/get_started_with_respeaker/blob/master/Introduction.md#hardware ...
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