SPI OLED Example

This example uses the ESP8266 hspi Master to drive 0.96-inch SPI OLED, and the OLED driver chip is SSD1306.

How to use example

Hardware Required

Connection:

Signal	Oled	ESP8266
3.3V	VCC	VCC
SCLK	D0(SCL)	GPIO14
D/C	DC	GPIO12
MOSI	D1(SDA)	GPIO13
RST	RES	GPIO15
CS	CS	GND
GND	GND	GND

Configure the project

make menuconfig

Set serial port under Serial Flasher Options.

Build and Flash

Build the project and flash it to the board, then run monitor tool to view serial output:

make -j4 flash monitor

(To exit the serial monitor, type Ctrl-].)

See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects.

Example Output

LOG:

I (233) spi_oled: init gpio
I (235) gpio: GPIO[12]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 1| Pulldown: 0| Intr:0
I (239) gpio: GPIO[15]| InputEn: 0| OutputEn: 1| OpenDrain: 0| Pullup: 1| Pulldown: 0| Intr:0
I (251) spi_oled: init hspi
I (257) spi_oled: init oled

WAVE FORM: