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micropython esp32c3 驱动合宙墨水屏EINK-1.54 输出BMP图像
bmp图片:
效果图:
main.py
from machine import SPI,Pin from e1in54 import EPD import time,sys #esp32接线 11没有解锁 #spi = SPI(1, 60000000, sck=Pin(0), mosi=Pin(1)) #rst 2 dc 3 cs 10 busy 6 #display = EPD(spi,10,3,2,6,True)#(self, spi, cs, dc, rst, busy) #esp32c3接线 11没有解锁 spi = SPI(1, 30000000, sck=Pin(2), mosi=Pin(3)) #rst 5 dc 4 cs 8 busy 9 display = EPD(spi,8,4,5,9)#(self, spi, cs, dc, rst, busy) # print(len(display.buffer)) # time.sleep_ms(200) #print(len(display.buffer)) from eSprite2 import BinloaderFile,bmpdecode p = bmpdecode('123.bmp',InvertColor=False,limit=180) #是否翻转颜色 灰度值 p.draw(display) display.show()
e1in54.py
#该驱动文件也可到QQ群:786510434下载 from micropython import const from time import sleep_ms import ustruct from machine import Pin import framebuf # Display resolution EPD_WIDTH = const(200) EPD_HEIGHT = const(200) # Display commands DRIVER_OUTPUT_CONTROL = const(0x01) BOOSTER_SOFT_START_CONTROL = const(0x0C) #GATE_SCAN_START_POSITION = const(0x0F) DEEP_SLEEP_MODE = const(0x10) DATA_ENTRY_MODE_SETTING = const(0x11) #SW_RESET = const(0x12) #TEMPERATURE_SENSOR_CONTROL = const(0x1A) MASTER_ACTIVATION = const(0x20) #DISPLAY_UPDATE_CONTROL_1 = const(0x21) DISPLAY_UPDATE_CONTROL_2 = const(0x22) WRITE_RAM = const(0x24) WRITE_VCOM_REGISTER = const(0x2C) WRITE_LUT_REGISTER = const(0x32) SET_DUMMY_LINE_PERIOD = const(0x3A) SET_GATE_TIME = const(0x3B) # not in datasheet #BORDER_WAVEFORM_CONTROL = const(0x3C) SET_RAM_X_ADDRESS_START_END_POSITION = const(0x44) SET_RAM_Y_ADDRESS_START_END_POSITION = const(0x45) SET_RAM_X_ADDRESS_COUNTER = const(0x4E) SET_RAM_Y_ADDRESS_COUNTER = const(0x4F) TERMINATE_FRAME_READ_WRITE = const(0xFF) # aka NOOP class EPD(framebuf.FrameBuffer): LUT_FULL_UPDATE = bytearray(b'\x02\x02\x01\x11\x12\x12\x22\x22\x66\x69\x69\x59\x58\x99\x99\x88\x00\x00\x00\x00\xF8\xB4\x13\x51\x35\x51\x51\x19\x01\x00') LUT_PARTIAL_UPDATE = bytearray(b'\x10\x18\x18\x08\x18\x18\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x13\x14\x44\x12\x00\x00\x00\x00\x00\x00') def __init__(self, spi, cs, dc, rst, busy): self.spi = spi self.cs = Pin(cs,Pin.OUT,value = 1) self.dc = Pin(dc,Pin.OUT,value = 0) self.rst = Pin(rst,Pin.OUT,value = 0) self.busy = Pin(busy,Pin.IN) self.width = EPD_WIDTH self.height = EPD_HEIGHT self.pages = self.height//8 self.buffer = bytearray(self.width*self.pages) super().__init__(self.buffer, self.width, self.height, framebuf.MONO_HLSB) self.init() def clear(self): self.buffer = bytearray(self.width*self.pages) def show(self): self.set_frame_memory(self.buffer,0,0,200,200) self.display_frame() def _command(self, command, data=None): self.dc.value(0) self.cs.value(0) self.spi.write(command.to_bytes(1,'big')) #self.spi.write(bytearray([command])) self.cs.value(1) if data is not None: self._data(data) def _data(self, data): self.dc.value(1) self.cs.value(0) self.spi.write(data) self.cs.value(1) def init(self,isPART = True): self.reset() self._command(DRIVER_OUTPUT_CONTROL) self._data(bytearray([(EPD_HEIGHT - 1) & 0xFF])) self._data(bytearray([((EPD_HEIGHT - 1) >> 8) & 0xFF])) self._data(bytearray([0x00])) # GD = 0 SM = 0 TB = 0 self._command(BOOSTER_SOFT_START_CONTROL, b'\xD7\xD6\x9D') self._command(WRITE_VCOM_REGISTER, b'\xA8') # VCOM 7C self._command(SET_DUMMY_LINE_PERIOD, b'\x1A') # 4 dummy lines per gate self._command(SET_GATE_TIME, b'\x08') # 2us per line self._command(DATA_ENTRY_MODE_SETTING, b'\x03') # X increment Y increment #self._command(DATA_ENTRY_MODE_SETTING, b'\x07') # X increment Y increment if isPART: self.set_lut(self.LUT_FULL_UPDATE) else: self.set_lut(self.LUT_PARTIAL_UPDATE) def wait_until_idle(self): while self.busy.value() == 1: sleep_ms(100) def reset(self): self.rst.value(0) sleep_ms(200) self.rst.value(1) sleep_ms(200) def set_lut(self, lut): self._command(WRITE_LUT_REGISTER, lut) # put an image in the frame memory def set_frame_memory(self, image, x, y, w, h): # x point must be the multiple of 8 or the last 3 bits will be ignored x = x & 0xF8 w = w & 0xF8 if (x + w >= self.width): x_end = self.width - 1 else: x_end = x + w - 1 if (y + h >= self.height): y_end = self.height - 1 else: y_end = y + h - 1 self.set_memory_area(x, y, x_end, y_end) self.set_memory_pointer(x, y) self._command(WRITE_RAM, image) # replace the frame memory with the specified color def clear_frame_memory(self, color): self.set_memory_area(0, 0, self.width - 1, self.height - 1) self.set_memory_pointer(0, 0) self._command(WRITE_RAM) # send the color data for i in range(0, self.width // 8 * self.height): #self._data(bytearray([color])) self._data(bytearray(color)) # draw the current frame memory and switch to the next memory area def display_frame(self): self._command(DISPLAY_UPDATE_CONTROL_2, b'\xC4') self._command(MASTER_ACTIVATION) self._command(TERMINATE_FRAME_READ_WRITE) self.wait_until_idle() # specify the memory area for data R/W def set_memory_area(self, x_start, y_start, x_end, y_end): self._command(SET_RAM_X_ADDRESS_START_END_POSITION) # x point must be the multiple of 8 or the last 3 bits will be ignored self._data(bytearray([(x_start >> 3) & 0xFF])) self._data(bytearray([(x_end >> 3) & 0xFF])) self._command(SET_RAM_Y_ADDRESS_START_END_POSITION, ustruct.pack("> 3) & 0xFF])) self._command(SET_RAM_Y_ADDRESS_COUNTER, ustruct.pack("<H", y)) self.wait_until_idle() # to wake call reset() or init() def sleep(self): self._command(DEEP_SLEEP_MODE, b'\x01') # enter deep sleep A0=1, A0=0 power on #self.wait_until_idle()
eSprite2.py
# The MIT License (MIT) # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. # # Author:爱玩游戏的陆千辰 # Video:https://space.bilibili.com/87690728 # Describe:屏幕精灵控制 # Version:v0.51at # The project deponds on Micropython # Support: SSD1306(i2c spi) SSH1106(i2c spi) import framebuf import math import time,os # def getbin(inta: int, x: int) -> int: # if x > 0: # return (inta >> x) - (inta >> (x + 1)) * 2 # elif x == 0: # return inta - (inta >> 1) * 2 def getbin(inta: int, x: int) -> int: return (inta & (1<>x def clamp(a,min,max): global aa,bb,cc if max < min: return min if a>max: return min elif a int: temp = num >> 3 if (num == temp << 3): return temp else: return temp + 1 def getPageLen(num: int) -> int: temp = num >> 3 if (num & 7): return temp + 1 else: return temp def DataScale(data,scale): re = [] inv = False if scale == 0: return re if scale < 0: scale = - scale inv = True scale = len(data)/(scale*len(data)) i = 0 while math.ceil(i) < len(data): re.append(data[math.ceil(i)]) i += scale if inv: re.reverse() return re def bmpdecode(filename,newname = None,biasY = 0,limit=128,log=True,InvertColor=False,delAfterDecode = False): f=open(filename, 'rb') if f.read(2) == b'BM': #header dummy = f.read(8) #file size(4), creator bytes(4) offset = int.from_bytes(f.read(4), 'little') hdrsize = int.from_bytes(f.read(4), 'little') width = int.from_bytes(f.read(4), 'little') height = int.from_bytes(f.read(4), 'little') if int.from_bytes(f.read(2), 'little') == 1: #planes must be 1 depth = int.from_bytes(f.read(2), 'little') if depth == 24 and int.from_bytes(f.read(4), 'little') == 0:#compress method == uncompressed print("Image size:", width, "x", height) rowsize = (width * 3 + 3) & ~3 if height < 0: height = -height flip = False else: flip = True #display._setwindowloc((posX,posY),(posX+w - 1,posY+h - 1)) row = 0 if newname == None: newname = filename[:-4] buff = open(newname+'.ebin','wb+') buff.write(b'\x00\x01') buff.write((getPageLen(width)*8).to_bytes(2,'little')) buff.write(height.to_bytes(2,'little')) temp = [0]*(getPageLen(width)) temp2 = height - 1+ biasY dataCounter = 0 dataPointer = 0 if(InvertColor): while row < height: # 写入 buff.write(bytearray(temp)) temp = [0]*getPageLen(width) dataCounter = 0 dataPointer = 0 if flip: pos = offset + ( temp2 - row ) * rowsize else: pos = offset + (row + biasY)* rowsize if f.tell() != pos: f.seek(pos) col = 0 while col < width: bgr = f.read(3) gray = (bgr[2]*77+ bgr[1]*151+bgr[0]*28)>>8 #(R*77+G*151+B*28)>>8 if(gray<=limit): data = 128 # 1<>dataCounter) dataCounter = dataCounter + 1 if dataCounter >=8 : dataCounter = 0 dataPointer += 1 #temp[col] = (temp[col]>>1)+data col = col+ 1 row = row+1 if log: print("decoding :%d%%"%(row*100//height)) else:# 空间换时间 本质一个if while row < height: # 写入 buff.write(bytearray(temp)) temp = [0]*getPageLen(width) dataCounter = 0 dataPointer = 0 if flip: pos = offset + ( temp2 - row ) * rowsize else: pos = offset + (row + biasY)* rowsize if f.tell() != pos: f.seek(pos) col = 0 while col < width: bgr = f.read(3) gray = (bgr[2]*77+ bgr[1]*151+bgr[0]*28)>>8 #(R*77+G*151+B*28)>>8 if(gray>limit): data = 128 # 1<>dataCounter) dataCounter = dataCounter + 1 if dataCounter >=8 : dataCounter = 0 dataPointer += 1 #temp[col] = (temp[col]>>1)+data col = col+ 1 row = row+1 if log: print("decoding :%d%%"%(row*100//height)) else: raise TypeError("Type not support") f.close() buff.close() if(delAfterDecode): os.remove(filename) print('Encode Finish save to: '+newname+'.ebin') return BinloaderFile(newname+'.ebin') class BinloaderFile: def __init__(self, filename, x =0, y =0): self.x, self.y = x, y self.f = open(filename, "rb") temp = self.f.read(6) self.w = temp[2] + (temp[3] << 8) self.h = temp[4] + (temp[5] << 8) def draw(self, display,x = 0,y = 0): if x < 0: x = 0 if y < 0: y = 0 width = getPageLen(self.w) displayW = display.width // 8 drawWidth = min(width,displayW - x) displayW = min(displayW,displayW + self.w - x) start = x + y * width y = 0 while y < self.h: self.f.seek(6+y*width) #print(start + y * displayW + drawWidth) if start + y * displayW + drawWidth > len(display.buffer): return display.buffer[start + y * displayW:start + y * displayW + drawWidth] = self.f.read(drawWidth) y += 1 def __del__(self): self.f.close()
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执行时间: 0.0097191333770752 seconds