Search found 13 matches

by ESP_puff
Wed Apr 18, 2018 4:26 am
Forum: General Discussion
Topic: Questions regarding flash encryption and Secure Boot
Replies: 37
Views: 15123

Re: Questions regarding flash encryption and Secure Boot

For download I use FLASH_DOWNLOAD_TOOLS_V3.6.4 You pushed me to the idea of writing a bootloader-encrypted.bin using espefuse.py Hello Yuriy, There is a checkbox called "DoNotChgBin" in FLASH_DOWNLOAD_TOOLS. When it is clicked, the firmware you want to download will not be changed by the SPI mode o...
by ESP_puff
Mon Feb 27, 2017 5:02 am
Forum: ESP32 IDF
Topic: UART baud rate
Replies: 7
Views: 10418

Re: UART baud rate

Hello underwater,
it is the limitation of AT command firmware. You can get a higher baudrate if you write the code by yourself
by ESP_puff
Tue Feb 21, 2017 10:09 am
Forum: General Discussion
Topic: GPIO25 GPIO26
Replies: 2
Views: 2756

Re: GPIO25 GPIO26

Hello Beb1969,
Yes. You should first turn off the DAC function. Then GPIO25 and GPIO26 can be used as common GPIO pin.
by ESP_puff
Tue Feb 21, 2017 9:59 am
Forum: General Discussion
Topic: Crash happen after connect AP long time
Replies: 4
Views: 3394

Re: Crash happen after connect AP long time

Hello xzwang,
How long did your ESP32 connect to AP? Is it sure to happen or happen by chance?
by ESP_puff
Tue Feb 21, 2017 9:31 am
Forum: Hardware
Topic: ADC reference voltage on external pin?
Replies: 2
Views: 4082

Re: ADC reference voltage on external pin?

Hi davidm,
The reference voltage for ADC is fixed to 1.1V. No other pins are allowed to use as reference voltage.
by ESP_puff
Fri Feb 10, 2017 5:59 am
Forum: General Discussion
Topic: ADC speed?
Replies: 27
Views: 33846

Re: ADC speed?

Hello vbastani,
The sample frequency is 6KHZ. We have 12-bit SAR ADC up to 18 channels.
by ESP_puff
Fri Feb 10, 2017 5:44 am
Forum: General Discussion
Topic: ESP32 external SRAM connection pins
Replies: 1
Views: 1857

Re: ESP32 external SRAM connection pins

Hello t_bostanjyan,
You can download this document and then you can get the answer by yourself :)
http://www.espressif.com/sites/default/ ... eet_en.pdf
by ESP_puff
Fri Feb 10, 2017 3:23 am
Forum: Hardware
Topic: ESP32蓝牙常开时的功耗估算。
Replies: 2
Views: 9750

Re: ESP32蓝牙常开时的功耗估算。

Hello andre.liu,
我们的蓝牙跟wifi天线是同一根,时分复用的。
蓝牙的功耗已经在最新的datasheet中提到。功耗情况取决于你们对BLE的参数设置,每种模式下的功耗,我们都在datasheet中提到了。

谢谢您对ESP32的使用
by ESP_puff
Fri Feb 10, 2017 3:16 am
Forum: General Discussion
Topic: erase flash with flash download tool
Replies: 1
Views: 3803

Re: erase flash with flash download tool

Hello jumjum123,
That is quite easy. You have a blank.bin. Just copy and make it longer then you can get blank_1MB, blank_2MB and so on. Download this file using flash download tool.
by ESP_puff
Fri Feb 10, 2017 3:03 am
Forum: Hardware
Topic: RF settings used by ESP32_FCC_WIFI_BT_20161129.bin
Replies: 2
Views: 2342

Re: RF settings used by ESP32_FCC_WIFI_BT_20161129.bin

Hi espola,
Because bootloader of ESP32 starts from 0x1000, the sector is empty.

Thanks

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