micropython

micropython 显示中文 micropython 显示汉字 esp8266 esp32 显示汉字

ssd1306.py 这个是新修改的 可以显示字符画或者中文.测了一个用oled.py能画的字符画 这个内存不足. oled.py 这个也是ssd1306的驱动 不过是直接操作显存 不用framebuffer 很省内存.

oled 0.91寸 初始化 cmd=[ [0xae], #display off [0xa6], #Set Normal Display (default)

      [0xAE],        	# DISPLAYOFF
      [0xD5],        	# SETDISPLAYCLOCKDIV
      [0x80],        	# the suggested ratio 0x80
      [0xA8],        	# SSD1306_SETMULTIPLEX
      [0x1F],
      [0xD3],        	# SETDISPLAYOFFSET
      [0x00],         	# no offset
      [0x40 | 0x0],  	# SETSTARTLINE
      [0x8D],        	# CHARGEPUMP
      [0x14],         #0x014 enable, 0x010 disable

      [0x20],         #com pin HW config, sequential com pin config (bit 4), disable left/right remap (bit 5),
      [0x02],         #0x12#128x32 OLED: 0x002,  128x32 OLED 0x012
      [0xa1],         #segment remap a0/a1
      [0xc8],         #c0: scan dir normal, c8: reverse
      [0xda],
      [0x02],         #com pin HW config, sequential com pin config (bit 4), disable left/right remap (bit 5)
      [0x81],
      [0xcf],         #[2] set contrast control
      [0xd9],
      [0xf1],         #[2] pre-charge period 0x022/f1
      [0xdb],
      [0x40],         #vcomh deselect level

      [0x2e],         #Disable scroll
      [0xa4],         #output ram to display
      [0xa6],         #none inverted normal display mode
      [0xaf]        #display on
    ]