Make Arduino Code work inside Custom ESP32 Wrover32 Module

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faizi968
Posts: 6
Joined: Sun Sep 22, 2019 4:53 pm

Make Arduino Code work inside Custom ESP32 Wrover32 Module

Postby faizi968 » Sun Sep 22, 2019 6:14 pm

Hi there everyone,
I have made a custom PCB based on ESP32 WROVER32 Module. I want to burn Arduino Code inside the module. The sketch from the ESP32 BSP called "BLE_Server" uploads successfully but does not work. No BLE communication is initialized. Do I have to upload any bootloader inside the chip in order for the code to work? Please help.
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ESP_Dazz
Posts: 308
Joined: Fri Jun 02, 2017 6:50 am

Re: Make Arduino Code work inside Custom ESP32 Wrover32 Module

Postby ESP_Dazz » Thu Oct 10, 2019 3:26 am

You shouldn't need to. The first stage bootloader is ROM code that is already inside the ESP32, and the second stage bootloader is part of the binary that you flash.
faizi968 wrote:No BLE communication is initialized.
Could you be more specific as to what isn't working? For example, are you seeing any UART log output when resetting the chip?
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