簡介

合宙esp32c3 micropython框架，只支持128*64 I2C oled

ssd1306驅動我優化過的，與其他的不一樣，為避免出錯，使用我的驅動

把下面兩個py文件放入單片機內，

搜索心知天氣，注冊賬號，獲得免費的key

效果展示

代碼

main.py

import network
import urequests
from ssd1306 import SSD1306_I2C
from machine import Pin, I2C
import ujson
from font import textci2c = I2C(0, scl=Pin(5), sda=Pin(4))
oled = SSD1306_I2C(i2c)url = 'https://api.seniverse.com/v3/weather/now.json?key=你的密鑰&location=guangzhou&language=zh-Hans&unit=c'class Weather():def __init__(self, ssid, password):wifi=network.WLAN(network.STA_IF)wifi.active(True)#連接wifi，有一定幾率連接失敗while not wifi.isconnected():wifi.connect(ssid,password)oled.fill(0)oled.text('connecting...',0,0)oled.show()#更新顯示連接wifi信息   oled.fill(0)oled.text('connect to szsb',0,0)oled.show()response = urequests.get(url)parsed = ujson.loads(response.text)weather_info = parsed['results'][0]['now']temperature = weather_info['temperature']weather_state = weather_info['text']#下面兩條語句的作用是一樣的，二選一，把unicode編碼轉為中文字符# x=eval('u"%s"' % weather_state)x = ujson.loads('"%s"' % weather_state)oled.text(temperature + '`c', 80, 48)textc(oled, '廣', 80, 16)textc(oled, '州', 96, 16)oled.vline(60, 0, 64)if len(weather_state) == 2:textc(oled, x[0], 16, 48)textc(oled, x[1], 32, 48)if x[1] == '雨':if weather_state == '大雨':max_rainy = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0C, 0x10, 0x10, 0x08, 0x08, 0x10, 0x60, 0x80,0x80, 0x80,0x80, 0x60, 0x20, 0x10, 0x10, 0x08, 0x08, 0x06, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,0x00, 0x00,0x00, 0x00, 0x00, 0x60, 0x91, 0x8A, 0x09, 0x08, 0x08, 0x08, 0x08, 0x09, 0x0A, 0x09,0x08, 0x08,0x08, 0x08, 0x09, 0x0A, 0x09, 0x08, 0x08, 0x08, 0x08, 0x09, 0x92, 0x61, 0x00, 0x00,0x00, 0x00,0x00, 0x00, 0x00, 0xC0, 0x20, 0x20, 0x26, 0xC9, 0x11, 0x09, 0xC6, 0x20, 0x20, 0x26,0xC9, 0x11,0x09, 0xC6, 0x20, 0x20, 0x26, 0xC9, 0x11, 0x09, 0xC6, 0x20, 0x20, 0x20, 0xC0, 0x00,0x00, 0x00]oled.p32(max_rainy, 16, 8)elif weather_state == '中雨':mid_rainy = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,0x01, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x08, 0x08, 0x30, 0x40, 0x40, 0x80, 0x00, 0x00,0x00, 0x80,0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x30, 0x08, 0x08, 0x08, 0x06, 0x01, 0x01, 0x00,0x00, 0x00,0x00, 0x00, 0x60, 0x90, 0x11, 0x12, 0x14, 0x12, 0x11, 0x10, 0x10, 0x10, 0x11, 0x12,0x14, 0x12,0x11, 0x10, 0x10, 0x10, 0x11, 0x12, 0x14, 0x12, 0x11, 0x10, 0x10, 0x10, 0x20, 0xC0,0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x80, 0x40, 0x40, 0x40, 0x80, 0x00, 0x00, 0x00, 0x80, 0x40,0x40, 0x40,0x80, 0x00, 0x00, 0x00, 0x80, 0x40, 0x40, 0x40, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00]oled.p32(mid_rainy, 16, 8)elif weather_state == '小雨':min_rainy = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,0x01, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x08, 0x08, 0x30, 0x40, 0x40, 0x80, 0x00, 0x00,0x00, 0x80,0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x30, 0x08, 0x08, 0x08, 0x06, 0x01, 0x01, 0x00,0x00, 0x00,0x00, 0x00, 0x60, 0x90, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x11, 0x12,0x14, 0x12,0x11, 0x10, 0x10, 0x10, 0x11, 0x12, 0x14, 0x12, 0x11, 0x10, 0x10, 0x10, 0x20, 0xC0,0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40,0x40, 0x40,0x80, 0x00, 0x00, 0x00, 0x80, 0x40, 0x40, 0x40, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00,0x00, 0x00]oled(min_rainy, 16, 8)else:cloud = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x06,0x03, 0x01, 0x00, 0x00, 0x00, 0x0C, 0x06, 0x02, 0x00, 0x00, 0x0E, 0x0E, 0x00, 0x00, 0x00, 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8C, 0xC4, 0x44, 0x00, 0x00,0x00, 0x7F, 0x40, 0x40, 0x40, 0x47, 0x47, 0x40, 0x40, 0x40, 0x7F, 0x00, 0x23, 0x63, 0xC3, 0x00,0x00, 0x00, 0x00, 0x00, 0x03, 0x07, 0x07, 0x1F, 0x3F, 0x3F, 0x3F, 0x3F, 0x7F, 0xFF, 0xFF, 0xFF,0x7F, 0xFF, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x1F, 0x07, 0x07, 0xFF, 0x00, 0x30, 0x18, 0x08, 0x00,0x00, 0x00, 0x00, 0xE0, 0xF0, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8,0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00]oled.p32(cloud, 16, 8)else:textc(oled, x, 24, 48)if x == '晴':sunny = [0x00, 0x00, 0x00, 0x18, 0x1C, 0x0E, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8,0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x07, 0x0E, 0x1C, 0x18, 0x00, 0x00, 0x00,0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x3F, 0x40, 0x80, 0x80, 0x80, 0x80, 0x83, 0x83,0x83, 0x83, 0x80, 0x80, 0x80, 0x80, 0x40, 0x3F, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01,0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0xFC, 0x02, 0x01, 0x01, 0x01, 0x01, 0xC1, 0xC1,0xC1, 0xC1, 0x01, 0x01, 0x01, 0x01, 0x02, 0xFC, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80,0x00, 0x00, 0x00, 0x18, 0x38, 0x70, 0xE0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F,0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xE0, 0x70, 0x38, 0x18, 0x00, 0x00, 0x00]oled.p32(sunny, 16, 8)elif x == '陰':shadow = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00,0x00, 0x00, 0x01, 0x03, 0x0F, 0x1F, 0x1F, 0x3F, 0x3F, 0x7F, 0x7F, 0x3F, 0x3F, 0x1F, 0x1F,0x0F,0x0F, 0x1F, 0x1F, 0x1F, 0x1F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x07, 0x03, 0x01, 0x00,0x00,0x18, 0x7C, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,0xFF,0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFE, 0x7C,0x18,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,0x00]oled.p32(shadow, 16, 8)oled.show()w = Weather('szsb', '55555555')

ssd1306.py

import framebuf
# 寄存器定義
SET_CONTRAST        = const(0x81)
SET_ENTIRE_ON       = const(0xa4)
SET_NORM_INV        = const(0xa6)
SET_MEM_ADDR        = const(0x20)
SET_COL_ADDR        = const(0x21)
SET_PAGE_ADDR       = const(0x22)
SET_DISP_START_LINE = const(0x40)
SET_DISP            = const(0xae)
SET_SEG_REMAP       = const(0xa0)
SET_MUX_RATIO       = const(0xa8)
SET_COM_OUT_DIR     = const(0xc0)
SET_DISP_OFFSET     = const(0xd3)
SET_COM_PIN_CFG     = const(0xda)
SET_DISP_CLK_DIV    = const(0xd5)
SET_PRECHARGE       = const(0xd9)
SET_VCOM_DESEL      = const(0xdb)
SET_CHARGE_PUMP     = const(0x8d)class SSD1306:def __init__(self,external_vcc):self.width = 128self.height = 64self.external_vcc = external_vccself.pages = 8self.init_display()def init_display(self):for cmd in (SET_DISP | 0x00, #熄屏SET_MEM_ADDR, 0x00, #水平尋址SET_DISP_START_LINE | 0x00,#顯示起始行地址SET_SEG_REMAP | 0x01, # column addr 127 mapped to SEG0SET_MUX_RATIO, 63,SET_COM_OUT_DIR | 0x08, # scan from COM[N] to COM0SET_DISP_OFFSET, 0x00,SET_COM_PIN_CFG, 0x12,# timing and driving schemeSET_DISP_CLK_DIV, 0x80,SET_PRECHARGE, 0x22 if self.external_vcc else 0xf1,SET_VCOM_DESEL, 0x30, # 0.83*Vcc# displaySET_CONTRAST, 0xff, # maximumSET_ENTIRE_ON, # output follows RAM contentsSET_NORM_INV, # not inverted# charge pumpSET_CHARGE_PUMP, 0x10 if self.external_vcc else 0x14,0x2e, # 禁止滾動0xae | 0x01): #開屏self.write_cmd(cmd)self.fill(0)self.show()def v_scroll(self, d=1): self.write_cmd(0x2e) # 關閉滾動if d:self.write_cmd(0x26) # 向左self.write_cmd(0x00)self.write_cmd(0x07) # 起始頁self.write_cmd(0x00) # 滾動幀率self.write_cmd(0x00) # 結束頁else:self.write_cmd(0x27) # 向左self.write_cmd(0x00)self.write_cmd(0x00) # 起始頁self.write_cmd(0x00) # 滾動幀率self.write_cmd(0x07) # 結束頁self.write_cmd(0x00)self.write_cmd(0xff)self.write_cmd(0x2f) # 開啟滾動def poweroff(self):self.write_cmd(const(0xae) | 0x00)#熄屏def contrast(self, contrast):self.write_cmd(SET_CONTRAST)self.write_cmd(contrast)def invert(self, invert):self.write_cmd(SET_NORM_INV | (invert & 1))def show(self):self.write_cmd(SET_COL_ADDR)self.write_cmd(0)self.write_cmd(127)self.write_cmd(SET_PAGE_ADDR)self.write_cmd(0)self.write_cmd(63)self.write_framebuf()def fill(self, c):self.framebuf.fill(c)def pixel(self, x, y, c):self.framebuf.pixel(x, y, c)def text(self, string, x, y, c=1):self.framebuf.text(string, x, y, c)def hline(self,x,y,w,c=1):self.framebuf.hline(x,y,w,c)def vline(self,x,y,h,c=1):self.framebuf.vline(x,y,h,c)def line(self,x1,y1,x2,y2,c=1):self.framebuf.line(x1,y1,x2,y2,c)def rect(self,x,y,w,h,c=1,f=False):self.framebuf.rect(x,y,w,h,c,f)def ellipse(self,x,y,xr,yr,c,f=False,m=15):self.framebuf.ellipse(x,y,xr,yr,c,f,m)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),1)self.line(x+l,y,int(x+1.5*l),int(y-0.5*l),1)self.line(x,y+l,int(x+0.5*l),int(y+0.5*l),1)self.line(x+l,y+l,int(x+1.5*l),int(y+0.5*l),1)def p8(self,page,x,y):for e in range(8):byte=bin(page[e]).replace('0b','')while len(byte)<8:byte='0'+bytefor i in range(8):if byte[i]=='1':self.pixel(x+e,y+i,int(byte[i]))def p16(self,page,x,y):for e in range(32):byte=bin(page[e]).replace('0b','')while len(byte)<8:byte='0'+bytefor 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]))def p32(self,page,x,y):for e in range(128):byte=bin(page[e]).replace('0b','')while len(byte)<8:byte='0'+bytefor 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 = i2cself.addr = addrself.temp = bytearray(2)# buffer需要8 * 128的顯示字節加1字節命令self.buffer = bytearray(8 * 128 + 1)self.buffer[0] = 0x40  # Co=0, D/C=1self.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#=0self.temp[1] = cmdself.i2c.writeto(self.addr, self.temp)def write_framebuf(self):self.i2c.writeto(self.addr, self.buffer)

font.py

def u6674(oled,x,y):     oled.rect(x+1,y+2,4,11)oled.hline(x+2,y+7,2)oled.hline(x+6,y+2,9)oled.hline(x+7,y+4,7)oled.hline(x+6,y+6,9)oled.vline(x+10,y,7)oled.rect(x+7,y+8,7,8)oled.rect(x+7,y+10,7,3)oled.hline(x+8,y+15,4,0)
def u591a(oled,x,y):def duo1(x,y):oled.line(x+3,y+4,x+7,y)oled.hline(x+6,y+2,6)oled.line(x+4,y+3,x+6,y+5)oled.line(x+11,y+2,x+4,y+9)duo1(x,y)x+=3y+=6duo1(x,y)
def u9634(oled,x,y):oled.hline(x+2,y+1,11)oled.hline(x,y+6,15)oled.line(x+7,y+7,x+1,y+13)oled.hline(x+2,y+13,10)oled.line(x+9,y+10,x+13,y+14)
def u4e91(oled,x,y):oled.rect(x+2,y+4,11,7)oled.vline(x+7,y,16)
def u5927(oled,x,y):oled.hline(x+1,y+5,14)oled.vline(x+7,y+1,9)oled.line(x+6,y+10,x+1,y+15)oled.line(x+8,y+10,x+13,y+15)oled.pixel(x+14,y+15,1)
def u5c0f(oled,x,y):oled.vline(x+7,y+1,13)oled.line(x+5,y+6,x+1,y+10)oled.line(x+9,y+4,x+13,y+8)oled.line(x+6,y+14,x+5,y+13)
def u96e8(oled,x,y):oled.hline(x+1,y+1,14)oled.vline(x+7,y+2,13)oled.rect(x+1,y+5,13,11)oled.hline(x+2,y+15,9,0)oled.line(x+4,y+8,x+5,y+9)oled.line(x+4,y+11,x+5,y+12)oled.line(x+9,y+8,x+10,y+9)oled.line(x+9,y+11,x+10,y+12)
def u9634(oled,x,y):oled.vline(x+1,y+1,15)oled.hline(x+2,y+1,4)oled.line(x+5,y+2,x+2,y+5)oled.line(x+5,y+8,x+2,y+5)oled.hline(x+2,y+9,4)oled.vline(x+7,y+1,12)oled.line(x+6,y+12,x+4,y+15)oled.hline(x+8,y+1,5)oled.vline(x+13,y+1,14)oled.line(x+12,y+15,x+11,y+14)oled.rect(x+7,y+5,7,4)
def u5e7f(oled,x,y):oled.line(x+7,y+1,x+8,y+2)oled.line(x+1,y+14,x,y+15)oled.hline(x+2,y+3,12)oled.vline(x+2,y+4,10)
def u5dde(oled,x,y):oled.vline(x+1,y+5,3)oled.vline(x+3,y+1,12)oled.vline(x+6,y+5,3)oled.vline(x+8,y+2,12)oled.vline(x+10,y+5,3)oled.vline(x+12,y+1,14)oled.line(x+2,y+13,x+1,y+14)
def u4e0a(oled,x,y):oled.vline(x+6,y+1,14)oled.hline(x+7,y+6,6)oled.hline(x+1,y+14,14)
def u6d77(oled,x,y):oled.line(x+2,y+1,x+3,y+2)oled.line(x+1,y+5,x+2,y+6)oled.line(x+2,y+13,x+4,y+11)oled.line(x+9,y,x+5,y+4)oled.hline(x+7,y+2,7)oled.rect(x+7,y+4,6,9,1,True)oled.hline(x+5,y+8,10)oled.rect(x+8,y+5,4,3,0)oled.rect(x+8,y+9,4,3,0)oled.pixel(x+13,y+12,1)oled.vline(x+12,y+13,2)
#該字典存儲著一些中文的函數指針
cc_dict={'6674':u6674,'591a':u591a,'u9634':u9634,'4e91':u4e91,'5927':u5927,'u5c0f':u5c0f,'96e8':u96e8,'9634':u9634,'5e7f':u5e7f,'5dde':u5dde,'4e0a':u4e0a,'6d77':u6d77}
#顯示中文的函數，接受oled對象，要顯示的中文，位置
def textc(oled,c,x,y):c=hex(ord(c)).replace('0x','')cc_dict[c](oled,x,y)