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56 lines
2.4 KiB
Plaintext
56 lines
2.4 KiB
Plaintext
/**
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@defgroup boards_hip_badge HiP Badge
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@ingroup boards_esp32c3
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@brief Support for the Hacking in Parallel Badge
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@author Benjamin Valentin <benjamin.valentin@ml-pa.com>
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The HiP Badge is a board that was given to participants of the 2022 *Hacking in Parallel* event.
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# Features
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- ESP32-C3FH4AZ SoC
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- I2C via SAO headers
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- UART via pin headers
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- 16 WS2812B LEDs
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- USB-C Serial/JTAG
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- 3 User button / 1 Reset button
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- ST25DV04K NFC/I2C EEPROM (TODO: driver)
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# Flashing the device
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The device can be programmed using the USB-C Serial/JTAG feature.
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Just plug in a cable to your computer and flash the device with
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make BOARD=hip-badge flash
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This should automatically reset the ESP32C3 into bootloader mode and start the download process.
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If for some reason this gets stuck or the badge does not register as a /dev/ttyACMx device, you
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can manually force it into bootloader mode by pressing the reset button (SW3/blue) while holding
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the BOOT button (SW4).
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When doing this, the device will still be in bootloader mode after flashing, you have to press
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the reset button (SW3/blue) again to start your application.
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There is currently still a bug in the USB Serial stdio implementation: After flashing or a reboot,
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there is no output. Do a manual reset (press the reset button) to restore output.
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# Bugs
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The event (and badge) were organized on short notice (6 Weeks), so there are some hardware issues:
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- No WiFi/BLE antenna. There is a pad on the back of the PCB where a socket was supposed to be, but
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nothing is connected. You can try solder something onto it yourself, but the trace is already long
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and winded.
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BLE works with the existing trace alone (on short range), WiFi/ESP Now does not.
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- IR transceiver broken. Can be fixed with a steady hand?
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- SGP30 air quality sensor is only populated on some boards (red case)
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- MAX17048 fuel gauge not populated
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# Resources
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- [Badge Clinic](https://wiki.hip-berlin.de/index.php?title=Badge_Clinic)
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- [Design files](https://gitlab.com/tidklaas/hip-badge/)
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*/
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