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by chegewara
Sun Feb 28, 2021 2:17 am
Forum: ESP32 Arduino
Topic: ESP32-S2 USB-CDC Flashing (Arduino)
Replies: 21
Views: 974

Re: ESP32-S2 USB-CDC Flashing (Arduino)

Do not use option "Serial connected to: USB".
by chegewara
Sat Feb 27, 2021 1:25 pm
Forum: General Discussion
Topic: [SOLVED] Heltec ESP32 LoRa Receive Interrupt
Replies: 2
Views: 144

Re: Heltec ESP32 LoRa Receive Interrupt

m_sut_2 wrote: Thank you.
So therefore, if the LoRa is in transmission mode, it is not possible to recognize that there is a message to receive from another node?
Yes.
Pages: 36, 38, 39:
https://semtech.my.salesforce.com/sfc/p ... qcpqh9qSjE
by chegewara
Thu Feb 25, 2021 11:34 pm
Forum: ESP32 Arduino
Topic: ESP32-S2 USB-CDC Flashing (Arduino)
Replies: 21
Views: 974

Re: ESP32-S2 USB-CDC Flashing (Arduino)

I fixed one more thing in my library and now you can also use it as a standard Serial library #define NO_GLOBAL_SERIAL // this will prevent to create instance of HardwareSerial Serial #include "cdcusb.h" CDCusb Serial; void setup() { Serial.begin(); while(!Serial); // wait until USB cable is connect...
by chegewara
Thu Feb 25, 2021 11:30 pm
Forum: General Discussion
Topic: [SOLVED] Heltec ESP32 LoRa Receive Interrupt
Replies: 2
Views: 144

Re: Heltec ESP32 LoRa Receive Interrupt

LoRa device is not capable to receive data when it is in TX mode.
by chegewara
Wed Feb 24, 2021 12:21 pm
Forum: ESP32 Arduino
Topic: ESP32-S2 USB-CDC Flashing (Arduino)
Replies: 21
Views: 974

Re: ESP32-S2 USB-CDC Flashing (Arduino)

OK, I have understood. So, what about "Serial connected to:" option of Arduino IDE? Is it another feature of ESP32 Arduino Core? As far as I understood, the released library of yours and that option are different alternatives, right? Thats right. My library is alternative for espressif library in a...
by chegewara
Wed Feb 24, 2021 6:36 am
Forum: ESP32 Arduino
Topic: ESP32-S2 USB-CDC Flashing (Arduino)
Replies: 21
Views: 974

Re: ESP32-S2 USB-CDC Flashing (Arduino)

ozgbostan wrote: Thanks for your support and contribution. Now, after uploading the example sketch just one time, the CDC flashing will be always available for the upcoming upload procedures, right?
CDC flashing will available as long as CDC is running on device, so you have to add it to your code each time.
by chegewara
Wed Feb 24, 2021 5:54 am
Forum: ESP32 Arduino
Topic: ESP32-S2 USB-CDC Flashing (Arduino)
Replies: 21
Views: 974

Re: ESP32-S2 USB-CDC Flashing (Arduino)

I just added persist reboot to my library, which allows to flash without using buttons to enable download mode. My version has small issue, but i think it is better to have it working this way than not having it at all.
by chegewara
Tue Feb 23, 2021 8:11 am
Forum: Sample Code
Topic: esp32 s2 tinyUSB
Replies: 30
Views: 12825

Re: esp32 s2 tinyUSB

Its hard to say if its problem with cable or with OS. I am working on ubuntu, so sd card example works fine, pretty slow, but works. In other hand i tested yesterday on windows 10 virtualbox VM and there was issue in OS layer, which was resetting device every few seconds due to slow response (just g...
by chegewara
Tue Feb 23, 2021 8:05 am
Forum: ESP32 Arduino
Topic: ESP32-S2 USB-CDC Flashing (Arduino)
Replies: 21
Views: 974

Re: ESP32-S2 USB-CDC Flashing (Arduino)

By the way, you have just released a library a couple of days ago, does not that library solve the problem that you mentioned about? Yes and no. I am aware that we have issue with tinyusb_init, so i am ignoring return from that function until it wont get fixed in arduino. I also implemented USB per...

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