Search found 5 matches
- Wed Dec 05, 2018 4:41 pm
- Forum: ESP-IDF
- Topic: gettimeofday() returning erratic values
- Replies: 6
- Views: 7404
Re: gettimeofday() returning erratic values
additional information: The ULP wakeup every 5 minutes, which we assume is derived from the same clock source (either 32kHz crystal or 150kHr RC) does happen relatively sharp every 5 minutes. We do see a difference in accuracy between the crystal and the RC oscillator - as to be expected - but not t...
- Wed Dec 05, 2018 3:57 pm
- Forum: ESP-IDF
- Topic: gettimeofday() returning erratic values
- Replies: 6
- Views: 7404
gettimeofday() returning erratic values
We're developing an IoT application around the Wrover module. In this application, the ULP collects sensor data every five minutes while the main processors are in deep sleep. Once every hour, the main processor wakes up, collects the measurement data from the ULP and decides on proper actions. Beca...
- Sat Sep 23, 2017 5:22 am
- Forum: ESP-IDF
- Topic: i2c deep sleep wake stub example
- Replies: 1
- Views: 4181
i2c deep sleep wake stub example
Does anyone have an example of a deep sleep wake stub using i2c communication ?
- Thu Sep 21, 2017 5:35 pm
- Forum: ESP-IDF
- Topic: Documentation of ROM functions for deep sleep wake stub
- Replies: 1
- Views: 4332
Documentation of ROM functions for deep sleep wake stub
According to official documentation, deep sleep wake stub code can only call functions implemented in ROM or loaded into RTC Fast Memory.
How/where can I find which functions have been implemented in ROM ?
How/where can I find which functions have been implemented in ROM ?
- Wed Sep 06, 2017 7:49 am
- Forum: ESP-IDF
- Topic: Not able to build in Eclipse
- Replies: 0
- Views: 3592
Not able to build in Eclipse
Hi, I'm trying to set up the IDF development environment according to instructions on http://esp-idf.readthedocs.io/en/latest/get-started/ IDF_PATH environment variable is set up and compiling from the mingw32 shell works fine. However, after a lot of effort I still fail to set up Eclipse to compile...