Search found 3 matches

by gerardy
Tue Nov 21, 2017 8:35 am
Forum: ESP32 Arduino
Topic: Modifying the Tick Rate
Replies: 1
Views: 5209

Re: Modifying the Tick Rate

I think this is controled by
#define CONFIG_FREERTOS_HZ 100
in sdkconfig.h
Gerard
by gerardy
Mon Nov 20, 2017 4:08 pm
Forum: ESP32 Arduino
Topic: HAL_I2C bug?
Replies: 2
Views: 4677

Re: HAL_I2C bug?

Thank you for your interest in my problem.
Yes I do have pull up resistors to 3.3V on both SDA and SCK. Looking at SDA and SCK signals with a logic analizer, the signals level looks good. I did not had a chance to look at them with an oscilloscope.

Regards
Gerard
by gerardy
Wed Nov 15, 2017 8:06 pm
Forum: ESP32 Arduino
Topic: HAL_I2C bug?
Replies: 2
Views: 4677

HAL_I2C bug?

Using arduino environment with default I2C pin and an I2C LCD display and i2c library LiquidCrystal_I2C_ID1574 The write sequence for 1 byte to the display is - write first nibble with lCD "enable"off - write first nibble with lCD "enable"on - write first nibble with lCD "enable"off Then same sequen...