Search found 445 matches

by snahmad75
Fri May 31, 2019 1:55 pm
Forum: ESP32 IDF
Topic: CAN License
Replies: 19
Views: 2043

Re: CAN License

Can some one answer from Espressif. we need to ship our product.

Hi,

Can you confirm Is CAN driver is free to use in commercial products. But If we need to buy license.
How and where we can buy license. Our number of devices will be about 2500

Thanks,
Naeem
by snahmad75
Thu May 30, 2019 10:56 am
Forum: Hardware
Topic: How to change channel for WiFi AP into ESP32
Replies: 11
Views: 6180

Re: How to change channel for WiFi AP into ESP32

Thanks I will try set channel function some time later.

I assume it only works in promiscuous mode.
by snahmad75
Thu May 30, 2019 10:54 am
Forum: ESP32 IDF
Topic: CAN License
Replies: 19
Views: 2043

Re: CAN License

Hi,

Can you confirm Is CAN driver is free to use in commercial products. If we need to buy license.
How and where we can buy license. Our number of devices will be about 2500

Thanks,
Naeem
by snahmad75
Mon May 27, 2019 11:04 am
Forum: Hardware
Topic: How to change channel for WiFi AP into ESP32
Replies: 11
Views: 6180

Re: How to change channel for WiFi AP into ESP32

ok, any example?
by snahmad75
Fri May 24, 2019 3:51 pm
Forum: Hardware
Topic: How to change channel for WiFi AP into ESP32
Replies: 11
Views: 6180

Re: How to change channel for WiFi AP into ESP32

What is purpose of this API

esp_wifi_set_channel to change channel.
by snahmad75
Thu May 23, 2019 3:31 pm
Forum: Hardware
Topic: How to change channel for WiFi AP into ESP32
Replies: 11
Views: 6180

Re: How to change channel for WiFi AP into ESP32

ok, just to clarify in AP+STA mode.

I cannot set channel using

esp_wifi_set_config(WIFI_IF_AP, )

I tried out. not working for me.
by snahmad75
Sun Apr 14, 2019 1:02 pm
Forum: ESP32 IDF
Topic: WiFi scanning
Replies: 1
Views: 417

WiFi scanning

Hi, I understood wifi scan for all channels from 1-13 by default for active scanning as our product needs to work in all countries. I would like it scan only from 1-11 for active scanning and 12 and 13 channel as passive scanning. I now set esp_wifi_set_country to usa with channel range(1-11) This w...
by snahmad75
Sat Apr 13, 2019 9:39 pm
Forum: ESP32 IDF
Topic: Internal fastfs file gets corrupt some time after re-power.
Replies: 13
Views: 1537

Re: Internal fastfs file gets corrupt some time after re-power.

jcsbanks wrote:
Sat Apr 13, 2019 9:34 pm
My only comment is that I often do FATFS operations in between OTS completion and reset into the new OTS app.
Thanks for sharing.
by snahmad75
Sat Apr 13, 2019 3:16 pm
Forum: ESP32 IDF
Topic: Internal fastfs file gets corrupt some time after re-power.
Replies: 13
Views: 1537

Re: Internal fastfs file gets corrupt some time after re-power.

I found out interesting results. After OTA complete/end If I perform internal fatfs operation like check file exist and delete file. It fails. Can you some check and verify please. I now move my internal fatfs operation before ota begin. I still do NVS write and commit after ota end/complete. Is thi...
by snahmad75
Fri Apr 12, 2019 10:39 pm
Forum: ESP32 IDF
Topic: Internal fastfs file gets corrupt some time after re-power.
Replies: 13
Views: 1537

Re: Internal fastfs file gets corrupt some time after re-power.

Internal flash writes during large partition updates from OTA, or sometimes even small files with FATFS can cause problems with the CAN driver and high resolution timer callbacks resulting in interrupt watchdog timeouts, so I've preferred to refactor my work to use a form of RAM disk where a map of...

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