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Custom firmware for CRM3007L

Building custom firmware for CRM3007L espresso appliance factory board using SDCC.

vasVas
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CRM3007L espresso appliance factory board uses OnBright OB38R16T1 microcontroller. It's a 8052 compatible MCU, so SDCC is a good choice for the compiler.

  • First working prototype

    Vas • an hour ago • 0 comments

    This project is published when there's plenty is done already so let's describe what's already working.

    • OnBright MCU specific HAL is extracted and adapted for SDCC
    • The code compiles and runs on the actual MCU

    What's next:

    • Make OTA library for ESP32 to be able to flash OnBright MCU without proprietary flasher
    • Make WDT work with ADC (right now ADC fails when WDT is enabled)

View project log

  • 1
    MCU flashing

    Use SynMOS MSM9066 dongle and SMAP tool

View all instructions

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