Search found 931 matches

by chegewara
Tue Feb 18, 2020 11:47 pm
Forum: ESP32 IDF
Topic: ESP_OTA: OTA image has invalid magic byte
Replies: 5
Views: 204

Re: ESP_OTA: OTA image has invalid magic byte

Code: Select all

curl -sSl -D - https://....
This should give you all info you need, with headers and body I think.
by chegewara
Thu Feb 06, 2020 12:53 am
Forum: General Discussion
Topic: ADC with Deep Sleep
Replies: 4
Views: 304

Re: ADC with Deep Sleep

Sorry, i misunderstood your question, so ignore my previous answer (and you are correct, it is to use ADC in ULP).

Wakeup from deep sleep is almost the same as reset esp32, so you have to perform full ADC initialization.
by chegewara
Wed Feb 05, 2020 6:27 pm
Forum: ESP32 Arduino
Topic: SUMP Compatible ESP32 Logic Analyzer
Replies: 23
Views: 1294

Re: SUMP Compatible ESP32 Logic Analyzer

BIG (+) espressif for action/reaction.
by chegewara
Wed Feb 05, 2020 6:26 pm
Forum: General Discussion
Topic: ADC with Deep Sleep
Replies: 4
Views: 304

Re: ADC with Deep Sleep

If you are reading ADC in normal running app (not deep sleep), then you have to call this function each time before you start deep sleep:

Code: Select all

adc1_ulp_enable();
by chegewara
Wed Feb 05, 2020 8:03 am
Forum: Hardware
Topic: Actual power consumption of ESP32 using only Bluetooth Low Energy
Replies: 6
Views: 651

Re: Actual power consumption of ESP32 using only Bluetooth Low Energy

Then please read this post one more time https://github.com/espressif/esp-idf/issues/947#issuecomment-500312453 There is explained everything you need to know about how to use bluetooth light sleep mode. As you can see you need to setup a lot settings in menuconfig and i think if you compare it with...
by chegewara
Sun Feb 02, 2020 6:14 pm
Forum: Report Bugs
Topic: Can't flash hello_world
Replies: 2
Views: 501

Re: Can't flash hello_world

User name with non UTF-8 character?
by chegewara
Tue Jan 28, 2020 5:57 pm
Forum: ESP32 IDF
Topic: Error compiling the "hello world" example
Replies: 1
Views: 129

Re: Error compiling the "hello world" example

The logs shows you didnt follow all steps. You did not git clone with --recursive flag.

Now you have to go to esp-idf folder and use command:

Code: Select all

git submodule update --init --recursive
by chegewara
Sun Jan 26, 2020 11:00 pm
Forum: ESP32 Arduino
Topic: BLE: limited number of services and characteristics
Replies: 5
Views: 1623

Re: BLE: limited number of services and characteristics

I tried this code with esp-idf in PIO and i found this, which is very strange: BT_GATT: GATTS_ReserveHandles: no free handle blocks You can try to use this function and decrease numHandles: https://github.com/nkolban/esp32-snippets/blob/master/cpp_utils/BLEServer.h#L67 Each characteristic needs 2 ha...

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