![]() The LCD backlight control pin (PWM/GPIO) also changes state during a reset of the ESP32. ![]() The LCD display is also connected to this RESET circuit so it enters reset whenever the ESP32 does by design. This design includes the use of UART DTS/RTS control pins to reset and set the flash mode bootstrap pin. The USB-UART design is the same circuit used in the official Espressif DEVKIT-C and many other ESP32 based devices. This suggests a design flaw in the GO related to the usb-serial chip is at least partially to blame for the screen flashing/upload failed issue we're all experiencing. I boot up by holding the "b" button and select the file and it goes through the install / verification process but then it boots to a red sd card image with an x in the middle of it. I have hit a snag when it comes to installing the latest emulator files, though. (I'm not an expert at this sort of stuff but looking around the brew forums, it seems as though other people have had this problem, too.) I also had to use the "pip3 install esptool" command as MisterBiro mentions in order to get the esptools file installed and, for what it's worth, I was unable to install pip via brew I had to do that directly. Python3 -m esptool -chip esp32 -port /dev/cu.SLAB_USBtoUART -baud 921600 write_flash -flash_mode dio -flash_freq 80m -flash_size detect 0 odroid-go.img ) and use the following command to flash the new firmware. with the changes in the firmware file structure, I had to change to the firmware directory (cd. I now have the ColecoVision and SMS emulators.) I just re-downloaded the "SkeletonFile", wiped my SD Card and copied the file over. However, I did - I think - get the correct OSX command to flash the new firmware () I'm just posting this for reference - there might be a problem with what I'm doing because I can't get the emulator menu to fire properly. When prompted select the firmware you want to flash (in this case Go Play), press 'Start' and the previously copied Go-Play firmware will be flashed to the Odroid-Go. While continuing to keep 'B' held down, power on the Odroid-Go, and ensure you keep 'B' held until the firmware update screen is displayed. Put the SD card back into the Odroid-Go and hold down the 'B' button. Take the SD card out of the Odroid-Go and use either a USB adapter or micro->full size SD card adapter to connect it to your Mac.Ĭopy the downloaded 'Go-Play.fw' to the /odroid/firmware/ directory in the root of the SD card, and then eject either by dragging to the Trash or pressing the 'eject' icon. Make sure you have turned off the Odroid-Go after flashing the firmware above (or if you're just updating this, make sure the device is turned off) If you want to flash the latest Go-Play firmware:ĭownloaded the latest release from here: Choose the Go Play firmware, Doom or whatever you like. Once the firmware is updated, when the Go restarts you will be dropped into the firmware update screen and can see that you're now on version 20180915. The firmware should be updated to the latest. Chip is ESP32D0WDQ6 (revision (unknown 0xe))įeatures: WiFi, BT, Dual Core, VRef calibration in efuse
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