Directly program Murata module in Arduino MKRWAN1300 #57
Conversation
The board can be transformed into a native STM32 dev board by flashing MKRWANBridge example in the D21. All pins/periperals are only wired to the D21 but a simple protocol could allow controlling them from the Murata module.
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Sorry to not respond earlier. What is the value in adding MKRWAN1300 ? On this board CMWX1ZZABZ is just a slave connected via UART (RX/TX plus 2 GPIOs, plus BOOT & RESET). Would it not be wiser to port over the LoRaWAN class to ArduinoCore-samd and work on a decent protocol between the two chips ? |
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The idea is to use your porting (thanks, btw) to create the new "firmware" for the ABZ (the current one is branched from ST examples and hosted at https://github.com/arduino/mkrwan1300-fw ). During this process we can decide, why not, to port the stack on D21 and abstract the interaction with the LoRa library via RPC. |
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Actually for another project I am working on a system like this already. So there is some overlap. The big issue with SAMD is that there is no callback when a SCI/UART had received data (or sufficient data) from a peer. |
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Got to work on this finally. Need a good source for stm32flash crossbuilds. Is there some good place to pick one up ? |
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Hi Thomas, |
This PR adds "Arduino MKRWAN1300" as a native target for STML0.
MKRWANBridge.inosketch must be flashed only once on the SAMD microcontroller which becomes a sort of serial-to-usb converter with autoreset capabilities. I've temporarily added that example to STM32L0 library, maybe there's a better place.stm32flashfrom https://github.com/facchinm/stm32flash is being used as programmer; I hope it's fine, otherwise feel free to change it 🙂