import ustructimport utime_DRAWLINE = const(0x21)_DRAWRECT = const(0x22)_NO_SCROLL = const(0x2e)_FILL = const(0x26)_PHASEPERIOD = const(0x12)_SETCOLUMN = const(0x15)_SETROW = const(0x75)_CONTRASTA = const(0x81)_CONTRASTB = const(0x82)_CONTRASTC = const(0x83)_MASTERCURRENT = const(0x87)_SETREMAP = const(0xA0)_STARTLINE = const(0xA1)_DISPLAYOFFSET = const(0xA2)_NORMALDISPLAY = const(0xA4)_DISPLAYALLON = const(0xA5)_DISPLAYALLOFF = const(0xA6)_INVERTDISPLAY = const(0xA7)_SETMULTIPLEX = const(0xA8)_SETMASTER = const(0xAD)_DISPLAYOFF = const(0xAE)_DISPLAYON = const(0xAF)_POWERMODE = const(0xB0)_PRECHARGE = const(0xB1)_CLOCKDIV = const(0xB3)_PRECHARGEA = const(0x8A)_PRECHARGEB = const(0x8B)_PRECHARGEC = const(0x8C)_PRECHARGELEVEL = const(0xBB)_VCOMH = const(0xBE)_LOCK = const(0xfd)class SSD1331: _INIT = ( (_DISPLAYOFF, b''), (_LOCK, b'\x0b'), (_SETREMAP, b'\x72'), # RGB Color (_STARTLINE, b'\x00'), (_DISPLAYOFFSET, b'\x00'), (_NORMALDISPLAY, b''), (_PHASEPERIOD, b'\x31'), (_SETMULTIPLEX, b'\x3f'), (_SETMASTER, b'\x8e'), (_POWERMODE,b'\x0b'), (_PRECHARGE, b'\x31'), #;//0x1F - 0x31 (_CLOCKDIV, b'\xf0'), (_VCOMH, b'\x3e'), #;//0x3E - 0x3F (_MASTERCURRENT, b'\x0c'), # ;//0x06 - 0x0F (_PRECHARGEA, b'\x64'), (_PRECHARGEB, b'\x78'), (_PRECHARGEC, b'\x64'), (_PRECHARGELEVEL, b'\x3a'), # 0x3A - 0x00 (_CONTRASTA, b'\x91'), #//0xEF - 0x91 (_CONTRASTB, b'\x50'), #;//0x11 - 0x50 (_CONTRASTC, b'\x7d'), #;//0x48 - 0x7D (_NO_SCROLL, b''), (_DISPLAYON, b'') ) _ENCODE_PIXEL = ">H" _ENCODE_POS = ">BB" _ENCODE_LINE = ">BBBBBBB" _ENCODE_RECT = ">BBBBBBBBBB" def line(self,x1,y1,x2,y2,color): r= (color >> 10) & 0x3e g= (color >> 5) & 0x3e b= (color & 0x1f) << 1 data =ustruct.pack(self._ENCODE_LINE,x1,y1,x2,y2,r,g,b) self._write(_DRAWLINE,data) def rectangle(self,x,y,width,height,linecolor,fillcolor): if fillcolor is None: self._write(_FILL,b'\x00') br = 0 bg = 0 bb = 0 else: self._write(_FILL,b'\x01') br= (fillcolor >> 10) & 0x3e bg= (fillcolor >> 5) & 0x3e bb= (fillcolor & 0x1f) << 1 r= (linecolor >> 10) & 0x3e g= (linecolor >> 5) & 0x3e b= (linecolor & 0x1f) << 1 data = ustruct.pack(self._ENCODE_RECT,x,y,x+width-1,y+height-1,r,g,b,br,bg,bb) self._write(_DRAWRECT,data) def fill(self,color=0): self.rectangle(0,0,self.width,self.height,color,color) def __init__(self, spi, dc, cs, rst=None, width=96, height=64): self.spi=spi self.dc = dc self.cs = cs self.rst = rst self.width = width self.height = height self.reset() for command,data in self._INIT: self._write(command,data) self.font = None def _write(self, command=None, data=None): if command is None: self.dc.value(1) else: self.dc.value(0) self.cs.value(0) if command is not None: self.spi.write(bytearray([command])) if data is not None: self.spi.write(data) self.cs.value(1) def _read(self, command=None, count=0): self.dc.value(0) self.cs.value(0) if command is not None: self.spi.write(bytearray([command])) if count: data = self.spi.read(count) self.cs.value(1) return data def color565(r, g, b): return (r & 0xf8) << 8 | (g & 0xfc) << 3 | b >> 3 def pixel(self, x , y , color=None): """ set pixel position """ self._write(_SETCOLUMN,bytearray([x,x])) self._write(_SETROW,bytearray([y,y])) if color is None: """ read pixel """ return self._read(None,2) else:# self._write(None,bytearray([color >> 8, color &0xff])) self.line(x,y,x,y,color) def block(self, x,y,width,height, data): self._write(_SETCOLUMN, bytearray([x,x+width-1])) self._write(_SETROW,bytearray([y,y+height-1])) self._write(None,data) def reset(self): if self.rst is not None: self.rst.value(0) utime.sleep(0.1) self.rst.value(1) def setFont(self,font): self.font= font def putChar (self,x,y, utf8Char, color): #print("putChar(x={},y={},c={},color={})".format(x,y,utf8Char,color)) if self.font is None: return x # {offset, width, height, advance cursor, x offset, y offset} */ self.font.setPosition(utf8Char) _offset,_width,_height,_cursor,x_off,y_off = self.font.current_glyph #print("_offset",_offset) #print("Width",_width) #print("height",_height) #print("cursor",_cursor) #print("xoff",x_off) #print("yoff",y_off) for y1 in range(_height): for x1 in range(_width): if self.font.getNext(): self.pixel(x+x1+x_off,y+y1+y_off,color) return x+_cursor def putText(self,x,y,txt,color): if not self.font is None: for c in txt: x = self.putChar(x,y,c,color)