Search found 18 matches

by timm_f
Tue Mar 16, 2021 2:29 pm
Forum: ESP-IDF
Topic: Large project crashes when including Bluetooth (memory resources short?)
Replies: 3
Views: 3552

Re: Large project crashes when including Bluetooth (memory resources short?)

Have you checked your partition table is suitable for the app with Bluetooth installed? Hi Steve, thanks for your reply. Yes, I have already increased te app partition size. The firmware image fits in. It appears to be a problem with ram resources being short. It also isn't connected to Bluetooth. ...
by timm_f
Tue Mar 16, 2021 10:25 am
Forum: ESP-IDF
Topic: Large project crashes when including Bluetooth (memory resources short?)
Replies: 3
Views: 3552

Large project crashes when including Bluetooth (memory resources short?)

Hello, our project is rather larger. It includes BT and WiFi and external SPI-RAM. At this point (after adding a lot of code) it crashes after the bootloader (with Bluetooth included in Firmware). When removing Bluetooth, everything works as expected. Our Bluetooth driver code itself is working corr...
by timm_f
Mon Mar 01, 2021 9:53 am
Forum: General Discussion
Topic: Bluetooth / BLE licensing/qualification process for esp32
Replies: 5
Views: 5721

Re: Bluetooth / BLE licensing/qualification process for esp32

Hello WiFive,

thank you very much!

Best Regards, Timm
by timm_f
Fri Feb 26, 2021 8:38 am
Forum: General Discussion
Topic: Bluetooth / BLE licensing/qualification process for esp32
Replies: 5
Views: 5721

Bluetooth / BLE licensing/qualification process for esp32

Hello, we are going to sell a product which includes an esp32 with bluetooth/ble functionality. I have two questions, which hopefully someone can answer: (1) Regarding bluetooth ceritifcation and qualification, which steps are required to sell this product? (2) Can the bluetooth logo be used on the ...
by timm_f
Wed Jan 20, 2021 8:42 am
Forum: ESP-IDF
Topic: How to remove (ROM?) bootup messages on debug uart
Replies: 2
Views: 2735

How to remove (ROM?) bootup messages on debug uart

Hello, when I start up the esp32, I see text on the debug uart (see below). This is before the green debug output starts. How can this be removed? (using this uart for a serial bus) Greetings, Timm ets Jun 8 2016 00:22:57 rst:0x3 (SW_RESET),boot:0x1b (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee cl...
by timm_f
Wed Jan 20, 2021 8:33 am
Forum: ESP-IDF
Topic: Use of spi driver (+ freertos) in bootloader
Replies: 0
Views: 1688

Use of spi driver (+ freertos) in bootloader

Hello everybody, how can I add support for the idf spi-driver into bootloader? I have a spi-sd-card driver (which already works in firmware) which I want to use in the bootloader. I have added a custom bootloader into a project called "bldr". Copied from /esp-idf/components/bootloader into my projec...
by timm_f
Thu Oct 22, 2020 7:42 am
Forum: ESP-IDF
Topic: Transfer files to ESP32 via WLAN/BT/...
Replies: 0
Views: 1747

Transfer files to ESP32 via WLAN/BT/...

Hello,

I have the requirement to transfer files to the esp32.
Preferably using wifi and ftp.

Is there a ftp component for the esp32?
What other means of transport are reasonable and available?

Thanks for any input

BR Timm :)
by timm_f
Fri Oct 09, 2020 11:34 am
Forum: ESP-IDF
Topic: External flash on wrover SPI2/3 (example "ext_flash_fatfs") : no signals on SPI-output-pins
Replies: 0
Views: 1895

External flash on wrover SPI2/3 (example "ext_flash_fatfs") : no signals on SPI-output-pins

Hello, I want to connect an external SPI-flash to SPI2 or SPI3 of wrover -module (not SPI1 as it's used for on-chip ext_ram/ext_flash). The example "ext_flash_fatfs" exactly covers this scenario. It starts up successfully (spi_bus_initialize() and spi_bus_add_flash_device() succeed). But fails at re...
by timm_f
Thu May 03, 2018 9:35 am
Forum: General Discussion
Topic: Measure VDD33 using ADC2
Replies: 6
Views: 14103

Measure VDD33 using ADC2

Hello, I am trying to measure the ESP32 supply voltage (VDD33) using ADC2. From the ref. manual p565, I figured out to set bit SENS_SAR2_EN_TEST in register SENS_SAR_START_FORCE_REG. I did these steps: configured attenuation for adc2 channel 7 to 6dB set bit SENS_SAR2_EN_TEST in register SENS_SAR_ST...