Search found 4 matches

by trapozac
Wed Sep 16, 2020 2:29 pm
Forum: General Discussion
Topic: using i2s with psram
Replies: 4
Views: 3736

Re: using i2s with psram

Can i use i2s without DMA
by trapozac
Tue Sep 15, 2020 1:18 pm
Forum: General Discussion
Topic: using i2s with psram
Replies: 4
Views: 3736

using i2s with psram

Hi, i wrote a program that uses i2s 8bit parallel single channel in lcd mode.Data transfered with DMA. Now i want to use psram because internal ram of the esp32 is not enough. But psram could not use for a DMA allocation. How can i use i2s to transfer data from psram? ıf psram can be used without DM...
by trapozac
Tue May 12, 2020 6:58 pm
Forum: ESP32 Arduino
Topic: esp32 ble multiconnection server
Replies: 3
Views: 4949

Re: esp32 ble multiconnection server

In short, use this callback instead: https://github.com/espressif/arduino-esp32/blob/master/libraries/BLE/src/BLEServer.h#L128 I could not get the point, virtual void onConnect(BLEServer* pServer, esp_ble_gatts_cb_param_t *param); In this callback, connid and client address is returned by param, ho...
by trapozac
Sun May 10, 2020 3:04 pm
Forum: ESP32 Arduino
Topic: esp32 ble multiconnection server
Replies: 3
Views: 4949

esp32 ble multiconnection server

Hi, I wrote a ble multiconnection server using esp32 arduino. In the code below, i can see connected or disconnected device connection id. class BleServerCallbacksClass: public BLEServerCallbacks { void onConnect(BLEServer* p_server) { Serial.printf("on connect, conn id: %u\n", p_server->getConnId()...