def LCD_Reset(self):
GPIO.output(LCD_Config.LCD_RST_PIN, GPIO.HIGH)
LCD_Config.Driver_Delay_ms(100)
GPIO.output(LCD_Config.LCD_RST_PIN, GPIO.LOW)
LCD_Config.Driver_Delay_ms(100)
GPIO.output(LCD_Config.LCD_RST_PIN, GPIO.HIGH)
LCD_Config.Driver_Delay_ms(100)
def LCD_Init(self, Lcd_ScanDir):
if (LCD_Config.GPIO_Init() != 0):
return -1
#Turn on the backlight
GPIO.output(LCD_Config.LCD_BL_PIN, GPIO.HIGH)
#Hardware reset
self.LCD_Reset()
#Set the initialization register
self.LCD_InitReg()
#Set the display scan and color transfer modes
self.LCD_SetGramScanWay(Lcd_ScanDir)
LCD_Config.Driver_Delay_ms(200)
#sleep out
self.LCD_WriteReg(0x11)
LCD_Config.Driver_Delay_ms(120)
#Turn on the LCD display
self.LCD_WriteReg(0x29)
self.LCD_Clear(0xffff)
def main():
LCD = LCD_1in8.LCD()
print ("**********Init LCD**********")
Lcd_ScanDir = LCD_1in8.SCAN_DIR_DFT #SCAN_DIR_DFT = D2U_L2R
LCD.LCD_Init(Lcd_ScanDir)
LCD.LCD_Clear(0xffff)
image = Image.new("RGB", (LCD.LCD_Dis_Column, LCD.LCD_Dis_Page), "WHITE")
draw = ImageDraw.Draw(image)
font18 = ImageFont.truetype(picdir+'/Font.ttc', 18)
if (Lcd_ScanDir == LCD_1in8.L2R_U2D) or (Lcd_ScanDir == LCD_1in8.L2R_D2U) or (Lcd_ScanDir == LCD_1in8.R2L_U2D) or (Lcd_ScanDir == LCD_1in8.R2L_D2U) :
print ("***draw")
draw.line([(0,0),(127,0)], fill = "BLUE",width = 5)
draw.line([(127,0),(127,159)], fill = "BLUE",width = 5)
draw.line([(127,159),(0,159)], fill = "BLUE",width = 5)
draw.line([(0,159),(0,0)], fill = "BLUE",width = 5)
draw.rectangle([(18,10),(110,20)],fill = "RED")
draw.rectangle((50, 85, 85, 120), outline = "Pink")
draw.arc((55, 90, 80, 115), 0, 360, fill = 0)
draw.line([(50,85),(85,120)], fill = "BLUE",width = 2)
draw.line([(50,120),(85,85)], fill = "BLUE",width = 2)
print ("***draw text")
draw.text((33, 22), 'WaveShare ', fill = "purple")
draw.text((33, 36), 'Electronic ', fill = "Orange")
draw.text((33, 48), '1234567890', fill = "BLUE")
draw.text((33, 62), u'微雪电子', font = font18, fill = "red")
LCD.LCD_ShowImage(image)
LCD_Config.Driver_Delay_ms(3000)
draw = ImageDraw.Draw(image)
image = Image.open(picdir+'/Himage.bmp')
LCD.LCD_ShowImage(image)
# LCD_Config.Driver_Delay_ms(3000)
else:
print ("***draw")
draw.line([(0,0),(159,0)], fill = "BLUE",width = 5)
draw.line([(159,0),(159,127)], fill = "BLUE",width = 5)
draw.line([(159,127),(0,127)], fill = "BLUE",width = 5)
draw.line([(0,127),(0,0)], fill = "BLUE",width = 5)
draw.rectangle([(18,10),(142,20)],fill = "RED")
draw.rectangle((50, 85, 85, 120), outline = "Pink")
draw.arc((55, 90, 80, 115), 0, 360, fill = 0)
draw.line([(50,85),(85,120)], fill = "BLUE",width = 2)
draw.line([(50,120),(85,85)], fill = "BLUE",width = 2)
print ("***draw text")
draw.text((33, 22), 'WaveShare ', fill = "purple")
draw.text((33, 36), 'Electronic ', fill = "Orange")
draw.text((33, 48), '1234567890', fill = "BLUE")
draw.text((33, 62), u'微雪电子', font = font18, fill = "red")
LCD.LCD_ShowImage(image)
LCD_Config.Driver_Delay_ms(3000)
draw = ImageDraw.Draw(image)
image = Image.open(picdir+'/welcome.bmp')
LCD.LCD_ShowImage(image)
def LCD_Clear(self, color):
_buffer = [color] * (self.LCD_Dis_Column * self.LCD_Dis_Page * 2)
if (self.LCD_Scan_Dir
== L2R_U2D) or (self.LCD_Scan_Dir == L2R_D2U) or (
self.LCD_Scan_Dir == R2L_U2D) or (self.LCD_Scan_Dir
== R2L_D2U):
# self.LCD_SetArealColor(0,0, LCD_X_MAXPIXEL , LCD_Y_MAXPIXEL , Color = color)#white
self.LCD_SetWindows(0, 0, LCD_X_MAXPIXEL, LCD_Y_MAXPIXEL)
GPIO.output(LCD_Config.LCD_DC_PIN, GPIO.HIGH)
for i in range(0, len(_buffer), 4096):
LCD_Config.SPI_Write_Byte(_buffer[i:i + 4096])
else:
# self.LCD_SetArealColor(0,0, LCD_Y_MAXPIXEL , LCD_X_MAXPIXEL , Color = color)#white
self.LCD_SetWindows(0, 0, LCD_Y_MAXPIXEL, LCD_X_MAXPIXEL)
GPIO.output(LCD_Config.LCD_DC_PIN, GPIO.HIGH)
for i in range(0, len(_buffer), 4096):
LCD_Config.SPI_Write_Byte(_buffer[i:i + 4096])
def LCD_ShowImage(self, Image):
if (Image == None):
return
self.LCD_SetWindows(0, 0, self.LCD_Dis_Column, self.LCD_Dis_Page)
GPIO.output(LCD_Config.LCD_DC_PIN, GPIO.HIGH)
# Pixels = Image.load()
img = np.asarray(Image)
pix = np.zeros((Image.height, Image.width, 2), dtype=np.uint8)
pix[..., [0]] = np.add(np.bitwise_and(img[..., [0]], 0xF8),
np.right_shift(img[..., [1]], 5))
pix[..., [1]] = np.add(
np.bitwise_and(np.left_shift(img[..., [1]], 3), 0xE0),
np.right_shift(img[..., [2]], 3))
pix = pix.flatten().tolist()
for i in range(0, len(pix), 4096):
LCD_Config.SPI_Write_Byte(pix[i:i + 4096])
def LCD_WriteData_NLen16Bit(self, Data, DataLen):
GPIO.output(LCD_Config.LCD_DC_PIN, GPIO.HIGH)
for i in range(0, DataLen):
LCD_Config.SPI_Write_Byte([Data >> 8])
LCD_Config.SPI_Write_Byte([Data & 0xff])
def LCD_WriteData_8bit(self, Data):
GPIO.output(LCD_Config.LCD_DC_PIN, GPIO.HIGH)
LCD_Config.SPI_Write_Byte([Data])
def LCD_WriteReg(self, Reg):
GPIO.output(LCD_Config.LCD_DC_PIN, GPIO.LOW)
LCD_Config.SPI_Write_Byte([Reg])