Search found 4 matches

by tchapin
Wed Jan 29, 2025 6:51 pm
Forum: Hardware
Topic: MAC address same across several boards
Replies: 2
Views: 2862

MAC address same across several boards

I am using an ESP32c6-mini and utilizing the "esp_efuse_mac_get_default" function to get the base MAC address to then use in my BLE/WiFi naming. We have used this method several hundred times on the ESP32S3-WROOM and the ESP32C3-WROOM and never saw anything like this.

Across 3 different chips, the ...
by tchapin
Wed Jan 17, 2024 6:51 pm
Forum: Hardware
Topic: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration
Replies: 4
Views: 12861

Re: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration

Hi Michael,

1. The normal temperature we are testing under is room temperature which for us is around 20-22C. After heating the board in a curing oven, the board temperature reads no higher than 35C. The testing atmosphere doesn't change so it is tested again after being heated up in a 20-22C ...
by tchapin
Tue Jan 16, 2024 2:24 pm
Forum: Hardware
Topic: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration
Replies: 4
Views: 12861

Re: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration

Hi,

I can provide more details for you.
1. We are using IDF version 5.1.2 and also have tried master on commit (b3f7e2c8a). Both showed the same issue.
2. As of right now, it is only a few of the modules we have. The thing is though, that we can not confirm if the other modules have the same ...
by tchapin
Mon Jan 15, 2024 6:36 pm
Forum: Hardware
Topic: BBPLL Calibration never finishes in second stage bootloader in RTC Configuration
Replies: 4
Views: 12861

BBPLL Calibration never finishes in second stage bootloader in RTC Configuration

We are experiencing issues with our ESP32-S3-WROOM-1 modules, they are hanging in the bootloader and then resetting, then repeat. The ESP32-S3 modules are blocking in the second stage bootloader and being continuously reset by TG0WDT.

We have narrowed the issue down to the rtc_clk_bbpll_configure ...

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