目录
简介
代码
功能
显示ASCII字符
编辑
画任意直线
画横线
画竖线
画矩形
画椭圆
画立方体
画点阵图
翻转
反相
滚动
横向滚动
纵向滚动
奇葩滚动
简介
我重新写了一个驱动，增加了一些功能，由于我的硬件是128*64oled单色I2C，我只适配了我的硬件。如果你的硬件和我相同，你可以使用我的ssd1306驱动.
我的oled似乎不是ssd1306驱动芯片，而是ssd1315驱动芯片，不过两者差别很小，仅在滚动那块有些许出入
如果你是大佬，可以复制代码后就走人；如果你是小白，推荐你边看边打代码，我给出例子和注释
代码
import framebuf
class SSD1306():
def __init__(self,external_vcc):
self.width = 128
self.height = 64
self.external_vcc = external_vcc
self.pages = 8
self.init_display()
def init_display(self):
for cmd in (
0xae, # 熄屏
0x20, 0x00, # 水平寻址
0x40, # 显示起始行地址
0xa1, # 正常列扫描
0xa8, 63, # 复用率
0xc8, # 正常行扫描
0xd3, 0x00, #设置COM偏移量，即屏幕像上偏移的行数
0xda, 0x12, #使用备选引脚配置，并禁用左右反置
0xd5, 0x80, # 设置分频因子与振荡频率
0xd9, 0x22 if self.external_vcc else 0xf1,
0xdb, 0x30, # 设置vcomh电压为0.83*Vcc
0x81, 0xff, # 亮度最大
0xa4, # 使用GDDRAM中的数据显示
0xa6, # 设置GDDRAM中的0对应于像素点的暗
# 关闭电荷泵
0x8d, 0x10 if self.external_vcc else 0x14,
0x2e, # 禁止滚动
0xaf): #开屏
self.write_cmd(cmd)
self.fill(0)
self.show()
#设置水平滚动，参数：滚动区域（滚动起始页，滚动结束页），滚动方向（默认向左，填0向右），滚动速度（0-7）
def h_scroll(self,start=0,end=7,d=1,speed=0):
self.write_cmd(0x2e) # 关闭滚动
self.write_cmd(0x26+d) # 向左
self.write_cmd(0x00)
self.write_cmd(start) # 起始页
self.write_cmd(speed) # 滚动帧率
self.write_cmd(end) # 结束页
self.write_cmd(0x00)
self.write_cmd(0xff)
self.write_cmd(0x2f) # 开启滚动
#默认开启竖直向上滚动与水平向右滚动
def scroll(self,vScrollOn=0,vStart=0,vEnd=63,vSpeed=1,hScrollOn=1,direction=0,hSpeed=0,hScrollStartPage=0,hScrollEndPage=7,
hScrollStartColumn=0,hScrollEndColumn=127):
if vScrollOn:
self.write_cmd(0x2e)# 关闭滚动
self.write_cmd(0xa3)#设置竖直滚动命令
self.write_cmd(vStart)#竖直滚动开始行
self.write_cmd(vEnd)#竖直滚动结束行
self.write_cmd(0x29+direction)#水平滚动方向向右
self.write_cmd(hScrollOn) # 0,关闭水平滚动，1开启
self.write_cmd(hScrollStartPage)# 水平滚动起始页
self.write_cmd(hSpeed)#设置滚动速度0-7
self.write_cmd(hScrollEndPage)# 水平滚动结束页
self.write_cmd(vSpeed) # 每一帧的垂直偏移量
self.write_cmd(hScrollStartColumn)#水平滚动区域的起始列
self.write_cmd(hScrollEndColumn)#水平滚动区域的结束列
self.write_cmd(0x2f)# 开启滚动
#关闭oled
def poweroff(self):
self.write_cmd(0xae | 0x00)#熄屏
#亮度，0x00-0xff
def contrast(self, contrast):
self.write_cmd(0x81)
self.write_cmd(contrast)
#正反相显示，输入1则反相，默认正相
def invert(self, invert=0):
self.write_cmd(0xa6 | invert)
# 显示
def show(self):
self.write_cmd(0x21) # 告诉GDDRAM列数
self.write_cmd(0) # 列数从0-127
self.write_cmd(127)
self.write_cmd(0x22) # 告诉GDDRAM行数
self.write_cmd(0) # 页数从0-7
self.write_cmd(7)
self.write_framebuf() # 写入1bit地址和1024bit数据
# 水平翻转,0翻转，1正常（默认）
def hv(self,b=1):
self.write_cmd(0xc0 | b<<3)
#竖直翻转,0翻转，1正常（默认）
def vv(self,b=1):
self.write_cmd(0xa0|b)
#刷新缓冲区
def fill(self, c):
self.framebuf.fill(c)
#画点，默认点亮，置0则暗
def pixel(self, x, y, c=1):
self.framebuf.pixel(x, y, c)
#写字符
def text(self, s, x, y, c=1):
self.framebuf.text(s, x, y, c)
#画水平直线
def hline(self,x,y,w,c=1):
self.framebuf.hline(x,y,w,c)
#画竖直直线
def vline(self,x,y,h,c=1):
self.framebuf.vline(x,y,h,c)
#画任意直线
def line(self,x1,y1,x2,y2,c=1):
self.framebuf.line(x1,y1,x2,y2,c)
#画矩形，参数：起始左上角坐标，长宽，颜色默认为亮，是否填充
def rect(self,x,y,w,h,c=1,f=False):
self.framebuf.rect(x,y,w,h,c,f)
#画椭圆，参数：起始圆心坐标，x半径，y半径，颜色默认为亮，是否填充，显示象限（0-15的数字）
def ellipse(self,x,y,xr,yr,c=1,f=False,m=15):
self.framebuf.ellipse(x,y,xr,yr,c,f,m)
#画立方体，左上前点的坐标，边长
def cube(self,x,y,l):
self.rect(x,y,l,l)
self.rect(x+int(0.5*l),int(y-0.5*l),l,l)
self.line(x,y,int(x+0.5*l),int(y-0.5*l))
self.line(x+l-1,y,int(x+1.5*l-1),int(y-0.5*l))
self.line(x-1,y+l,int(x+0.5*l),int(y+0.5*l-1))
self.line(x+l-1,y+l-1,int(x+1.5*l-1),int(y+0.5*l-1))
#画8*8的图，列行
def p8(self,page,x,y):
for e in range(8):
byte=bin(page[e]).replace('0b','')
while len(byte)<8:
byte='0'+byte
for i in range(8):
if byte[i]=='1':
self.pixel(x+e,y+i,int(byte[i]))
#画16*16的图，列行
def p16(self,page,x,y):
for e in range(32):
byte=bin(page[e]).replace('0b','')
while len(byte)<8:
byte='0'+byte
for i in range(8):
if byte[i] and e<16:
self.pixel(x+e,y+i,int(byte[i]))
elif byte[i] and e>=16:
self.pixel(x-16+e,y+8+i,int(byte[i]))
#画32*32的图，列行
def p32(self,page,x,y):
for e in range(128):
byte=bin(page[e]).replace('0b','')
while len(byte)<8:
byte='0'+byte
for i in range(8):
if byte[i] and e<32:
self.pixel(x+e,y+i,int(byte[i]))
elif byte[i] and 32<=e<64:
self.pixel(x+e-32,y+8+i,int(byte[i]))
elif byte[i] and 64<=e<96:
self.pixel(x+e-64,y+16+i,int(byte[i]))
elif byte[i] and 96<=e<128:
self.pixel(x+e-96,y+24+i,int(byte[i]))
class SSD1306_I2C(SSD1306):
def __init__(self,i2c, addr=0x3c, external_vcc=False):
self.i2c = i2c
self.addr = addr
self.temp = bytearray(2)
# buffer需要8 * 128的显示字节加1字节命令
self.buffer = bytearray(8 * 128 + 1)
self.buffer[0] = 0x40 # Co=0, D/C=1
self.framebuf = framebuf.FrameBuffer1(memoryview(self.buffer)[1:], 128, 64)
super().__init__(external_vcc)
def write_cmd(self, cmd):
self.temp[0] = 0x80 # Co=1, D/C#=0
self.temp[1] = cmd
self.i2c.writeto(self.addr, self.temp)
def write_framebuf(self):
self.i2c.writeto(self.addr, self.buffer)
功能
显示ASCII字符
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
oled.text('hello world',0,0)
oled.show()
画任意直线
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
oled.line(0,2,50,60)
oled.show()
画横线
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
oled.hline(2,30,80)
oled.show()
画竖线
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
oled.vline(20,0,40)
oled.show() 
画矩形
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
#左上角x，y坐标，长，宽
oled.rect(20,0,40,20)
oled.show()
画椭圆
众所周知，圆也是椭圆的一种
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
参数，中心点x，y坐标，x轴向半径，y轴向半径，f=True为填充，默认不填充
oled.ellipse(20,30,10,20)
oled.ellipse(60,20,10,20,f=True)
oled.show()
还有一个参数非常奇怪，不常用，自己改数字（范围0-15）体会
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
oled.ellipse(60,20,10,20,m=5)
oled.show()
画立方体
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
#左前顶面的xy坐标，边长
oled.cube(10,10,20)
oled.show()
画点阵图
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
pic=[0x04,0x06,0xFF,0x97,0x57,0x37,0x16,0x04]
#8*8点阵数据，图像左上角xy坐标。16*16，32*32的也一样，只不过改函数名oled.p16()而已
oled.p8(pic,30,30)
oled.show()
翻转
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
pic1=[0x00,0x00,0x0F,0x08,0x08,0x08,0x08,0xFF,0x08,0x08,0x08,0x08,0x0F,0x00,0x00,0x00,
0x00,0x00,0xF0,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0xF0,0x00,0x00,0x00]
pic2=[0x00,0x7F,0x40,0x48,0x49,0x49,0x49,0x4F,0x49,0x49,0x49,0x48,0x40,0x7F,0x00,0x00,
0x00,0xFF,0x02,0x12,0x12,0x12,0x12,0xF2,0x12,0x52,0x32,0x12,0x02,0xFF,0x00,0x00]
oled.p16(pic1,0,0)
oled.p16(pic2,16,0)
oled.show()
#以中心竖直轴翻转，填1则正常显示
oled.vv(0)
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
pic1=[0x00,0x00,0x0F,0x08,0x08,0x08,0x08,0xFF,0x08,0x08,0x08,0x08,0x0F,0x00,0x00,0x00,
0x00,0x00,0xF0,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0xF0,0x00,0x00,0x00]
pic2=[0x00,0x7F,0x40,0x48,0x49,0x49,0x49,0x4F,0x49,0x49,0x49,0x48,0x40,0x7F,0x00,0x00,
0x00,0xFF,0x02,0x12,0x12,0x12,0x12,0xF2,0x12,0x52,0x32,0x12,0x02,0xFF,0x00,0x00]
oled.p16(pic1,0,0)
oled.p16(pic2,16,0)
oled.show()
#以中心水平轴翻转
oled.hv(0)
反相
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
pic1=[0x00,0x00,0x0F,0x08,0x08,0x08,0x08,0xFF,0x08,0x08,0x08,0x08,0x0F,0x00,0x00,0x00,
0x00,0x00,0xF0,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0xF0,0x00,0x00,0x00]
pic2=[0x00,0x7F,0x40,0x48,0x49,0x49,0x49,0x4F,0x49,0x49,0x49,0x48,0x40,0x7F,0x00,0x00,
0x00,0xFF,0x02,0x12,0x12,0x12,0x12,0xF2,0x12,0x52,0x32,0x12,0x02,0xFF,0x00,0x00]
oled.p16(pic1,0,0)
oled.p16(pic2,16,0)
oled.show()
#默认不反相，即默认0
oled.invert(1)
滚动
横向滚动
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
pic1=[0x00,0x00,0x0F,0x08,0x08,0x08,0x08,0xFF,0x08,0x08,0x08,0x08,0x0F,0x00,0x00,0x00,
0x00,0x00,0xF0,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0xF0,0x00,0x00,0x00]
pic2=[0x00,0x7F,0x40,0x48,0x49,0x49,0x49,0x4F,0x49,0x49,0x49,0x48,0x40,0x7F,0x00,0x00,
0x00,0xFF,0x02,0x12,0x12,0x12,0x12,0xF2,0x12,0x52,0x32,0x12,0x02,0xFF,0x00,0x00]
oled.p16(pic1,0,0)
oled.p16(pic2,16,0)
oled.show()
#默认整个页面一起滚动
#参数：
#滚动起始页，滚动结束页
#滚动方向（默认向左，填0向右）
#滚动速度（0-7，默认0，不一定数字越大速度越大）
oled.h_scroll()
oled横滚
纵向滚动
目前我只能实现向上滚，还有点bug
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
pic1=[0x00,0x00,0x0F,0x08,0x08,0x08,0x08,0xFF,0x08,0x08,0x08,0x08,0x0F,0x00,0x00,0x00,
0x00,0x00,0xF0,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0xF0,0x00,0x00,0x00]
pic2=[0x00,0x7F,0x40,0x48,0x49,0x49,0x49,0x4F,0x49,0x49,0x49,0x48,0x40,0x7F,0x00,0x00,
0x00,0xFF,0x02,0x12,0x12,0x12,0x12,0xF2,0x12,0x52,0x32,0x12,0x02,0xFF,0x00,0x00]
oled.p16(pic1,0,0)
oled.p16(pic2,16,0)
oled.show()
oled.scroll(hScrollOn=0)oled纵滚
奇葩滚动
这个函数比较复杂可实现斜着动，不同区域各动各的，有点bug
from ssd1306 import SSD1306_I2C
from machine import Pin,I2C
i2c=I2C(0,scl=Pin(5),sda=Pin(4))
oled=SSD1306_I2C(i2c)
pic1=[0x00,0x00,0x0F,0x08,0x08,0x08,0x08,0xFF,0x08,0x08,0x08,0x08,0x0F,0x00,0x00,0x00,
0x00,0x00,0xF0,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0xF0,0x00,0x00,0x00]
pic2=[0x00,0x7F,0x40,0x48,0x49,0x49,0x49,0x4F,0x49,0x49,0x49,0x48,0x40,0x7F,0x00,0x00,
0x00,0xFF,0x02,0x12,0x12,0x12,0x12,0xF2,0x12,0x52,0x32,0x12,0x02,0xFF,0x00,0x00]
oled.p16(pic1,0,0)
oled.p16(pic2,16,0)
oled.show()
#10个参数。均有默认值
#vScrollOn，是否开启竖直滚动（默认0，关闭竖直滚动；置1开启）
#vStart，竖直滚动开始行
#vEnd，竖直滚动结束行
#vSpeed，竖直滚动速度，数字越大越快
#hScrollOn，是否开启横向滚动（默认开启，置0关闭）
#direction，横滚方向（默认向右，置1向左）
#hSpeed，横滚速度（0-7）
#hScrollStartPage，水平滚动起始页默认0
#hScrollEndPage，水平滚动结束页默认7
#hScrollStartColumn，水平滚动区域的起始列，默认0
#hScrollEndColumn，#水平滚动区域的结束列，默认127
oled.scroll()oled滚滚滚
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