Search found 1249 matches

by chegewara
Fri Nov 13, 2020 7:27 pm
Forum: ESP-IDF
Topic: Issues when using SPI SD card
Replies: 4
Views: 241

Re: Issues when using SPI SD card

This is 5V SD card adapter.
by chegewara
Tue Nov 10, 2020 10:20 pm
Forum: ESP-IDF
Topic: BLE variable attribute length
Replies: 7
Views: 413

Re: BLE variable attribute length

Well, i cant say i know for sure it is possible. I saw some issues when you try to do similar things from event handler, but you do it in few other ways, for example from another task, which can be woken with task notification etc.
by chegewara
Tue Nov 10, 2020 10:14 pm
Forum: ESP-IDF
Topic: Esp32s2 internal USB issues
Replies: 9
Views: 394

Re: Esp32s2 internal USB issues

jdwrmailcom wrote: I suppose for the S2 you used the example code you mentioned previously, or some other test code?
Actually i am using arduino library which i wrote, not the one from arduino-esp32.
by chegewara
Mon Nov 09, 2020 8:51 pm
Forum: ESP-IDF
Topic: BLE variable attribute length
Replies: 7
Views: 413

Re: BLE variable attribute length

Maybe my explanation was not complete: - BLE peripheral can be either server or client (usually its server), - assuming that peripheral is a server: -- you can read or write characteristics value, -- you can write to characteristic a value and read completely different value, depends on peripheral c...
by chegewara
Mon Nov 09, 2020 8:37 pm
Forum: ESP-IDF
Topic: How to get digital input from ADC pins?
Replies: 2
Views: 137

Re: How to get digital input from ADC pins?

Code: Select all

io_conf.pin_bit_mask = (BIT(39ULL) | BIT(36ULL) | BIT(34ULL));
or something like that:

Code: Select all

  gpioConfig.pin_bit_mask = ((1ULL<<GPIO_NUM_19) | (1ULL<<GPIO_NUM_18) | (1ULL<<GPIO_NUM_17) | (1ULL<<GPIO_NUM_16));
by chegewara
Sun Nov 08, 2020 10:00 pm
Forum: ESP-IDF
Topic: Esp32s2 internal USB issues
Replies: 9
Views: 394

Re: Esp32s2 internal USB issues

Few months ago ive been doing some simple QT5 app that works with S2. IIRC i did tests with data size bigger than 64 without issue.
https://github.com/chegewara/QT-serial-terminal
by chegewara
Sun Nov 08, 2020 8:30 pm
Forum: ESP-IDF
Topic: BLE variable attribute length
Replies: 7
Views: 413

Re: BLE variable attribute length

Maybe i didnt understand your needs, just focused on part of problem. With wifi and TCP you have packet with sender and receiver addresses and ports, which is required by TCP packet. When using ble you have connection 1:1 so no need to have those and i focused on data only. When you have suck code i...

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