Search found 4 matches
- Sun Apr 19, 2020 8:13 pm
- Forum: ESP32 Arduino
- Topic: Signed Firmware for OTA / X.509 / RFC3161
- Replies: 0
- Views: 2955
Signed Firmware for OTA / X.509 / RFC3161
As we all know - the Arduino OTA updating process is not very secure - with the key (or an MD5 which you can use as a key) hardcoded in the firmware and on the ESP32. We needed something a bit better. So not sure how useful this is to folks - but on the principle of share early and often; you can fi...
- Sun Sep 23, 2018 5:05 pm
- Forum: ESP-IDF
- Topic: ESP32 / RMT loosing ticks /
- Replies: 4
- Views: 6717
Re: ESP32 / RMT loosing ticks /
Am strongly suspecting that, when using the RMT system in loop rather than in one-shot mode; it either ignores, or gets confused by the sentinels; and mis-counts during the final ticks in the final block. If one ensures that all blocks are fully filled with no '0' length blocks (i.e. not use the 0,1...
- Fri Sep 21, 2018 6:27 pm
- Forum: ESP-IDF
- Topic: ESP32 / RMT loosing ticks /
- Replies: 4
- Views: 6717
Re: ESP32 / RMT loosing ticks /
Updated version - which should make it easier to understand. Still shows glitches though. /* Simple 'RMT' example which uses a 'double buffering' method to populate the other buffer once it starts on the second one. (c) Copyright 2018 Dirk-Willem van Gulik - All rights reserved. Under the Apache Sof...
- Fri Sep 21, 2018 12:24 pm
- Forum: ESP-IDF
- Topic: ESP32 / RMT loosing ticks /
- Replies: 4
- Views: 6717
ESP32 / RMT loosing ticks /
I am having an odd issue with the latest version of IDF (which may well be a regression introduced with 1.0.0). Every 5 to 100 seconds the RMT output seems to miss a tick/beat or show some other glitch: http://www.vangulik.org/dirkx/esp32/1.png http://www.vangulik.org/dirkx/esp32/2.png Below is a si...