Search found 10 matches
- Fri Mar 13, 2020 6:27 am
- Forum: General Discussion
- Topic: MD5 sum error when flashing code in second time
- Replies: 2
- Views: 5142
Re: MD5 sum error when flashing code in second time
Not sure if we support that flash; it may have a different sector erase command. If it does, erasing flash 'on the fly' like what happens when you over-write flash won't work and you will get data errors. Hi ESP_sprite, Thanks for your quick reply, currently we have changed 16 MB flash from CYPRESS...
- Wed Mar 11, 2020 11:26 am
- Forum: General Discussion
- Topic: MD5 sum error when flashing code in second time
- Replies: 2
- Views: 5142
MD5 sum error when flashing code in second time
Hi all, I have removed the shield(upper cover) on the ESP32-WROVER module and replaced the internal 4 MB flash with 16 MB flash(CYPRESS S25FL127S) to increase the esp32 module flash size. when first time flashing this module then module successfully flashing and working fine, but when I flash the se...
- Tue Feb 25, 2020 11:41 am
- Forum: General Discussion
- Topic: ESP32 secure boot problem
- Replies: 4
- Views: 5850
Re: ESP32 secure boot problem
Hi WiFive, Thanks for the provided support. My issue has been resolved with the use of the "espefuse.py burn_efuse ABS_DONE_0" command to enable the "secure boot enabled for bootloader" feature. My device efuse summary espefuse.py -p /dev/ttyUSB0 summary espefuse.py v2.9-dev Connecting.... EFUSE_NAM...
- Tue Feb 25, 2020 7:40 am
- Forum: General Discussion
- Topic: ESP32 secure boot problem
- Replies: 4
- Views: 5850
Re: ESP32 secure boot problem
Common issue, try searching. https://docs.espressif.com/projects/esp-idf/en/latest/security/secure-boot.html#bootloader-size Hi WiFive, Thanks for quick replay, I had tried procedure as per your suggested link but I have found another issue and checksum error is resolved. my esp32 SDK version: v4.1...
- Mon Feb 24, 2020 1:40 pm
- Forum: General Discussion
- Topic: ESP32 secure boot problem
- Replies: 4
- Views: 5850
ESP32 secure boot problem
Hi All, I tried enabling hardware secure boot in esp32 and but when I flashed bootloader, app-image, and partition table in esp32 then my device does not boot properly. Find the attachment of the esp32 booting log. Note:- I have followed the esp32 standard procedure show below link. https://docs.esp...
- Wed Nov 27, 2019 5:05 am
- Forum: General Discussion
- Topic: External Flash(s25fl127s) SPI Interface with wroom ESP32
- Replies: 5
- Views: 7869
Re: External Flash(s25fl127s) SPI Interface with wroom ESP32
Thanks for given the best support.
- Tue Nov 26, 2019 5:10 am
- Forum: General Discussion
- Topic: External Flash(s25fl127s) SPI Interface with wroom ESP32
- Replies: 5
- Views: 7869
Re: External Flash(s25fl127s) SPI Interface with wroom ESP32
You can either use the external flash on a different spi bus or use it on the same bus by disabling the internal flash chip. There are some posts about it. Yes, I have used external flash on a different SPI bus(MOSI=GPIO13, MISO=GPIO12, SCLK=14, CS=5). But I didn't know how to perform esp32 SPI mas...
- Fri Nov 22, 2019 7:25 am
- Forum: General Discussion
- Topic: External Flash(s25fl127s) SPI Interface with wroom ESP32
- Replies: 5
- Views: 7869
External Flash(s25fl127s) SPI Interface with wroom ESP32
I want to add 16MB External Flash(s25fl127s) with esp32 using the SPI interface. So, Can you please give me reference code to I have interface External Flash(s25fl127s) with esp32. I just want to add an extra 16 MB external SPI Flash memory in addition to 4 MB SPI Flash memory. Mainly my purpose is ...
- Sat May 12, 2018 9:40 am
- Forum: ESP-IDF
- Topic: ESP32 Bluetooth mobile phone Internet Access(Networking) Example
- Replies: 0
- Views: 2490
ESP32 Bluetooth mobile phone Internet Access(Networking) Example
Hi, I am a newbie to use Bluetooth and starting to test Bluetooth feature in new release esp32 SDK_V3.0. I am able to send and receive dummy data from one device to another device and also play media using the mobile phone(A2dp sink Example). Now I want to use internet access feature from mobile pho...
- Sat May 12, 2018 6:15 am
- Forum: General Discussion
- Topic: ESP32 Bluetooth mobile phone Internet Access(Networking) Example
- Replies: 0
- Views: 2462
ESP32 Bluetooth mobile phone Internet Access(Networking) Example
Hi,
I have does not deep knowledge about Bluetooth. I have successfully tested audio music speaker(a2dp sink example). now I want to test internet access features so, can you please provide example code about mobile phone internet access to the esp32 Bluetooth device.
I have does not deep knowledge about Bluetooth. I have successfully tested audio music speaker(a2dp sink example). now I want to test internet access features so, can you please provide example code about mobile phone internet access to the esp32 Bluetooth device.