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somhi / ESP_SSD1306

SSD1306 display library for ESP8266 boards (Arduino IDE) (Adafruit_SSD1306 mod)
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i2c watch dog #1

Closed patjazz closed 8 years ago

patjazz commented 9 years ago

i use it on an esp12 IIC (gpio 4,5) just a problem of watch dog on testdrawlines , testdraw circles (when time to draw increase):

ets Jan 8 2013,rst cause:4, boot mode:(3,7)

wdt reset load 0x40100000, len 28780, room 16 tail 12 chksum 0x55 ho 0 tail 12 room 4 load 0x3ffe8000, len 2372, room 12 tail 8 chksum 0xff load 0x3ffe8950, len 1784, room 0 tail 8 chksum 0xa4 csum 0xa4

just you have to add " yield() " somewhere ???

RichardNobel commented 8 years ago

Hi @patjazz

I read you are using @somhi 's modified adafruit library with an IIC connection to your display module.

Can you show/explain to me, how you connected the pins?

I got a 128x64 OLED Display Module from eBay. It has 6 pins: D/C RST SDA SCL VCC GND

So I assume it is set up for IIC/I2C communication. But the example Arduino Sketch code was, according to the comments, written for hardware SPI communication.

somhi commented 8 years ago

I suppose we can now close this issue with @sheaivey's contributions to the code.

sheaivey commented 8 years ago

Great, I did have the exact issue @patjazz had with I2C. Adding the yield() to the display function caused everything to work work as expected.

I tested on the ESP-12E and Arduino v1.6.5 with ESP v2.0.0. Also did a few tests with wifi network to make sure the ESP wifi functions still worked.

Glad I could help. Your library was the first library I found when searching google for ESP-12E OLED I2C. Thanks for doing all the heavy lifting for this library!