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by WiFive
Mon Jun 01, 2020 2:12 pm
Forum: General Discussion
Topic: Reading the UART
Replies: 3
Views: 1007

Re: Reading the UART

ESP_Sprite wrote:
Mon Mar 23, 2020 5:26 pm
Solution is indeed to use the APB memory range for FIFO reads.
Meanwhile...
ECO V2.1 wrote:Notice: Software cannot use AHB addresses to read FIFO.
by WiFive
Mon Jun 01, 2020 1:55 pm
Forum: ESP32 IDF
Topic: ESP32 WiFi Scan doesn't work on Wrover-IB
Replies: 3
Views: 295

Re: ESP32 WiFi Scan doesn't work on Wrover-IB

Do you have external antenna connected?
by WiFive
Sun May 31, 2020 4:32 am
Forum: ESP32 IDF
Topic: Achieving low power consumption with Freertos
Replies: 2
Views: 352

Re: Achieving low power consumption with Freertos

If you use automatic light sleep then maybe a few milliamps with a sleepy Bluetooth device but for an always on scanner you can't.
by WiFive
Sat May 30, 2020 9:59 am
Forum: Hardware
Topic: Memory Layout BUG Overlap on BOOT
Replies: 8
Views: 1129

Re: Memory Layout BUG Overlap on BOOT

Set CONFIG_SPIRAM_SIZE to auto
by WiFive
Fri May 29, 2020 9:18 am
Forum: ESP32 IDF
Topic: UART causing the ESP32 to reboot
Replies: 4
Views: 373

Re: UART causing the ESP32 to reboot

Hasan Shadi wrote:
Fri May 29, 2020 2:29 am
Remember that UART does not work on any pin, there are designated pins for the UART interfaces.
Most modern microcontrollers don't suffer this limitation anymore
by WiFive
Fri May 29, 2020 1:30 am
Forum: ESP32 IDF
Topic: UART causing the ESP32 to reboot
Replies: 4
Views: 373

Re: UART causing the ESP32 to reboot

Try other gpio not 9&10
by WiFive
Fri May 29, 2020 1:23 am
Forum: Hardware
Topic: Changing the default UART pins
Replies: 1
Views: 257

Re: Changing the default UART pins

You get an extra clock cycle of delay from the pins but uart is asynchronous anyway
by WiFive
Mon May 25, 2020 11:41 am
Forum: ESP32 IDF
Topic: ULP timer API doesn't work in deep sleep.
Replies: 4
Views: 416

Re: ULP timer API doesn't work in deep sleep.

You have to call halt

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