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26 lines
969 B
Markdown
26 lines
969 B
Markdown
# Communication Module
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This module is responsible for handling the communication between the different modules of the controller node.
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The communication bus is composed of :
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- Power supply (3.3V) and ground
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- SPI bus (POCI, PICO, SCK)
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- I2C bus (SDA, SCL)
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- Address bus (A0, A1, A2, A3, A4)
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- External reference voltage (AREF)
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When the module is connected to the bus, it is assigned an address by the controller node. This address is used to identify the module on the bus.
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The communication module will activate the chip select line of the associated sensor module when the address bus matches its address.
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Additionally, each module has a unique identifier that is used to identify the module on the I2C bus.
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## Electrical Schematic
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## PCB Layout
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|top view|side view|
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|---|---|
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## 3D Model
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[COM_MOD_3D](plots/COM_MOD_pcb.stl)
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