Search found 7 matches

by pawel.cern
Mon Jul 10, 2023 12:07 pm
Forum: ESP-IDF
Topic: ESP32C3 deep sleep
Replies: 1
Views: 4648

ESP32C3 deep sleep

I observed weird phenomenon while entering deep sleep mode. GPIO line is configured as wakeup input, low level active. a) When high level is applied to GPIO input, ESP enters deep sleep mode correctly. It is also woken up as soon as low (active) level appears at the input. b) When there is low level...
by pawel.cern
Tue Jan 10, 2023 10:02 pm
Forum: General Discussion
Topic: ESP-IDF monitor eating random newline characters (IDF-6647)
Replies: 4
Views: 2858

Re: ESP-IDF monitor eating random newline characters (IDF-6647)

OK, I managed to prepare code, which reproduces the problem. Please set up sdkconfig in such way that line endings are LF (driver won't do conversions) and try the following code: #include <stdio.h> #include <unistd.h> #include <fcntl.h> void app_main(void) { while(1) { printf("Text 1\r\n"); fflush(...
by pawel.cern
Mon Jan 09, 2023 11:13 am
Forum: General Discussion
Topic: ESP-IDF monitor eating random newline characters (IDF-6647)
Replies: 4
Views: 2858

ESP-IDF monitor eating random newline characters (IDF-6647)

Hi, I observed occasional phenomenon - some (not all) newline characters are lost. Quick debugging with strace proved all data delivered to /dev/ttyACM interface is complete and correct, there is a bug in python code. I made some investigation and found problem in tools/idf_monitor_base/serial_handl...
by pawel.cern
Mon Jul 18, 2022 1:28 pm
Forum: General Discussion
Topic: ESP32-C3 RF test mode
Replies: 1
Views: 1472

Re: ESP32-C3 RF test mode

So I managed to find cause. It seems problem occurs when ESP ROM log to UART is disabled (UART_PRINT_CONTROL e-fuses burnt). If ESP ROM log is running - RF test firmware also works properly.
by pawel.cern
Fri Jun 03, 2022 11:48 am
Forum: General Discussion
Topic: ESP32-C3 RF test mode
Replies: 1
Views: 1472

ESP32-C3 RF test mode

Hi, I have weird problem with RF test mode on ESP32C3. I am using ESP RF Test Tool, version 2.8. On ESP8266 (ESP-WROOM-S2) and ESP32 (ESP-WROOM-32) it works. However, on ESP32-C3 (ESP32-C3-MINI-1 module on ESP32-C3-DEVKIT-1), there is completely no output on management UART. Could you please help fi...
by pawel.cern
Fri Sep 03, 2021 10:02 am
Forum: General Discussion
Topic: ESP32-C3 power consumption chart
Replies: 2
Views: 8942

Re: ESP32-C3 power consumption chart

Hmm single digit mA would be excellent for me. Currently I have ~78mA while Bluetooth is constantly (100% duty cycle) listening for beacons.
by pawel.cern
Tue Aug 31, 2021 7:40 pm
Forum: General Discussion
Topic: ESP32-C3 power consumption chart
Replies: 2
Views: 8942

ESP32-C3 power consumption chart

Hi, In ESP32-C3 datasheet there is current consumption data (tables 15 and 16). Unfortunatelly I can't find data related to Bluetooth Low Energy. Do you have it? To be honest, I tried to start two applications: 1. Wi-Fi performing continuous passive AP scan (permanent Wi-Fi RX) 2. BLE passive beacon...