ESP-mp-01开发板SPI驱动OLED显示

# main.py -- put your code here!



import machine

from machine import Pin,I2C,SPI

import ssd1306

import math

import time



# construct an I2C bus

#i2c = I2C(scl=Pin(14), sda=Pin(2), freq=100000)

#display = ssd1306.SSD1306_I2C(128,64, i2c)



# construct an SPI bus on the given pins

# polarity is the idle state of SCK

# phase=0 means sample on the first edge of SCK, phase=1 means the second

spi = SPI(baudrate=10000000, polarity=1, phase=0, sck=Pin(14,Pin.OUT), mosi=Pin(13,Pin.OUT), miso=Pin(12))

display = ssd1306.SSD1306_SPI(128, 64, spi, Pin(5),Pin(4), Pin(16))



led_blue = machine.Pin(2, Pin.OUT) # 设置 GPIO2 为输出

led_blue.high()



try:

display.poweron()

display.init_display()



display.text('ESP-mp SPI OLED',1,1)

display.text('Hi, MicroPython!',1,16)

display.text('By: hbzjt2012',1,31)



# Write display buffer

display.show()

time.sleep(3)



display.fill(0)

for x in range(0, 128):

display.pixel(x, 32+int(math.sin(x/64*math.pi)*7 + 8), 1)

display.show()

time.sleep(3)



display.fill(0)



x = 0

y = 0

direction_x = True

direction_y = True



while True:

# Clear the previous lines

prev_x = x

prev_y = y



# Move bars

x += (1 if direction_x else -1)

y += (1 if direction_y else -1)



# Bounce back, if required

if x == 128:

direction_x = False

x = 126

elif x == -1:

direction_x = True

x = 1

if y == 64:

direction_y = False

y = 63

elif y == -1:

direction_y = True

y = 1



# Draw new lines

for i in range(64):

display.pixel(prev_x, i, False)

display.pixel(x, i, True)

for i in range(128):

display.pixel(i, prev_y, False)

display.pixel(i, y, True)



# Make sure the corners are active

display.pixel(0, 0, True)

display.pixel(127, 0, True)

display.pixel(0, 63, True)

display.pixel(127, 63, True)



# Write display buffer

display.show()





except Exception as ex:

led_blue.low()

print('Unexpected error: {0}'.format(ex))

display.poweroff()