Search found 31 matches

by water
Wed Nov 13, 2019 8:36 am
Forum: ESP32 boards
Topic: i2s compatibility
Replies: 15
Views: 2247

Re: i2s compatibility

Hi, I want to convert analog audio (Line in) via I2S, likes http://www.ti.com/lit/ds/symlink/pcm1808.pdf, please give some suggest.
Thanks.
by water
Thu Oct 31, 2019 12:02 am
Forum: Programs, Libraries and Tools
Topic: SD Card compatible problem.
Replies: 0
Views: 238

SD Card compatible problem.

I try some cheap SD card on ESP8266 (Micropython) appear error below when via spi = SPI(1, sck = Pin(14), mosi = Pin(13), miso = Pin(12)) sd = sdcard.SDCard(spi, Pin(15)) uos.mount(sd, '/sd') Traceback (most recent call last): File "<stdin>", line 1, in <module> File "sdcard.py", line 234, in readbl...
by water
Mon Sep 02, 2019 8:35 am
Forum: Programs, Libraries and Tools
Topic: ADNS5050 Optical Mouse Sensor.
Replies: 1
Views: 275

ADNS5050 Optical Mouse Sensor.

I found this ADNS5050 Optical Mouse Sensor driver use JavaScript.

http://www.espruino.com/ADNS5050

Someone know this sensor has Micropython 's driver?

:)
by water
Sat Aug 03, 2019 10:43 pm
Forum: ESP32 boards
Topic: disable_irq() error on ESP32
Replies: 2
Views: 200

Re: disable_irq() error on ESP32

Thanks.

How can I list which IRQs allocated and theirs parameter currently ? (if I forgot them) ;)
and can I delete specific one ?
is it have multi priority level concept in Micropython ? the document looks like not more notice.
by water
Sat Aug 03, 2019 3:05 pm
Forum: ESP32 boards
Topic: disable_irq() error on ESP32
Replies: 2
Views: 200

disable_irq() error on ESP32

I disable IRQ on ESP32 via disable_irq() , error occur appear the message below, and reboot: >>> disable_irq() 395552 >>> Guru Meditation Error: Core 0 panic'ed (Interrupt wdt timeout on CPU0) Core 0 register dump: PC : 0x400910d3 PS : 0x00060b34 A0 : 0x800f3814 A1 : 0x3ffc1960 A2 : 0x3ffb2fe0 A3 : ...
by water
Tue Jul 30, 2019 10:41 pm
Forum: General Discussion and Questions
Topic: How to know how many bytes available to usocket.recv() ?
Replies: 1
Views: 133

How to know how many bytes available to usocket.recv() ?

How to know how many bytes available to usocket.recv() ?
:?:
Thanks.
by water
Fri Apr 19, 2019 10:46 pm
Forum: ESP8266 boards
Topic: How to list APs of SSID hidden via network.scan() ?
Replies: 0
Views: 207

How to list APs of SSID hidden via network.scan() ?

The network.scan() return a list of tuples like (ssid, bssid, channel, RSSI, authmode, hidden), but actually, the result not include "hidden == True" APs,
I use Espruino scan available APs, the APs of SSID hidden also return, so it's ESP8266 capability.
How to list the SSID hidden APs ?

Thanks.
by water
Tue Apr 02, 2019 6:10 pm
Forum: ESP32 boards
Topic: Why RTC.alarm() not available on ESP32 , have some difficult point ?
Replies: 0
Views: 283

Why RTC.alarm() not available on ESP32 , have some difficult point ?

Why RTC.alarm() not available on ESP32 , have some difficult point ?
:?:
by water
Wed Mar 20, 2019 8:56 pm
Forum: ESP8266 boards
Topic: Which parameter available for esp.osdebug() except 'None' or 'UARTx' ?
Replies: 0
Views: 224

Which parameter available for esp.osdebug() except 'None' or 'UARTx' ?

Refer Micropython document, esp.osdebug(None) # turn off vendor O/S debugging messages esp.osdebug(0) # redirect vendor O/S debugging messages to UART(0) Which other parameters available except 'None' or 'UARTx' ? How 'vendor O/S debugging messages' source get for Micropython? Is it Micropython prov...
by water
Tue Mar 19, 2019 12:46 am
Forum: General Discussion and Questions
Topic: network configuration AbstractNIC.status() can't specify param for AP interface.
Replies: 0
Views: 263

network configuration AbstractNIC.status() can't specify param for AP interface.

refer : http://docs.micropython.org/en/latest/library/network.html AbstractNIC.status([param]) param should be a string naming the particular status parameter to retrieve. It work fine for STA interface: >>> sta.status('rssi') -58 but not work for AP interface: >>> ap.status('stations') Traceback (m...