77 lines
2.1 KiB
Markdown
77 lines
2.1 KiB
Markdown
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# GPS Reset firmware
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- If the GPS is set to unknown parameters by mistake, causing the GPS to fail to operate normally, you can try to reset the GPS firmware.
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- [T-Beam V1.x version record Video](https://youtu.be/Otu5d0fB6HU)
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- [T-Beam Supreme GPS record Video](https://youtu.be/yYLgRMr5WDY)
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## How to Flash ?
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### Before burning firmware, please put the board into download mode and follow the steps below
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1. Connect the board via the USB cable
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2. Press and hold the **BOOT** button , While still pressing the **BOOT** button (If there is no **BOOT** button, you need to use wires to connect **GND** and **IO0** together.)
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3. Press **RST** button
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4. Release the **RST** button
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5. Release the **BOOT** button (If there is no **BOOT** button, disconnect IO0 from GND.)
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6. Upload sketch
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7. Press the **RST** button to exit download mode
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### Use ESP Download Tool
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- Download [Flash_download_tool](https://www.espressif.com.cn/sites/default/files/tools/flash_download_tool_3.9.6_0.zip)
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* **Note that after writing is completed, you need to press RST to reset**.
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### Use Web Flasher
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- [ESP Web Flasher Online](https://espressif.github.io/esptool-js/)
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* **Note that after writing is completed, you need to press RST to reset**.
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### Use command line
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If system asks about install Developer Tools, do it.
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```
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python3 -m pip install --upgrade pip
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python3 -m pip install esptool
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```
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In order to launch esptool.py, exec directly with this:
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```
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python3 -m esptool
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```
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For ESP32 use the following command to write
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```
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esptool --chip esp32 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 80m 0x0 firmware.bin
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```
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For ESP32-S3 use the following command to write
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```
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esptool --chip esp32s3 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 80m 0x0 firmware.bin
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```
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## How to check GPS data ?
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1. Download [u-center2](https://www.u-blox.com/en/product/u-center)
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2. Check the GPS data according to the guide below
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