def reset(self):
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(200)
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(10)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(200)
def reset(self):
epdconfig.digital_write(self.reset_pin, GPIO.HIGH)
epdconfig.delay_ms(200)
epdconfig.digital_write(self.reset_pin, GPIO.LOW) # module reset
epdconfig.delay_ms(200)
epdconfig.digital_write(self.reset_pin, GPIO.HIGH)
epdconfig.delay_ms(200)
def display_Partial(self, image):
if (image == None):
return
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(2)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(2)
self.SendLut()
self.send_command(0x37)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x40)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_data(0x00)
self.send_command(0x3C)
# BorderWavefrom
self.send_data(0x80)
self.send_command(0x22)
self.send_data(0xC0)
self.send_command(0x20)
self.ReadBusy()
self.SetWindow(0, 0, self.width - 1, self.height - 1)
self.SetCursor(0, 0)
self.send_command(0x24) # WRITE_RAM
for j in range(0, self.height):
for i in range(0, int(self.width / 8)):
self.send_data(image[i + j * int(self.width / 8)])
self.TurnOnDisplay_Partial()
def reset(self):
logger.debug("Reset module...")
epdconfig.digital_write(self.reset_pin, GPIO.HIGH)
epdconfig.delay_ms(50)
epdconfig.digital_write(self.reset_pin, GPIO.LOW) # module reset
epdconfig.delay_ms(50)
epdconfig.digital_write(self.reset_pin, GPIO.HIGH)
epdconfig.delay_ms(50)
def DisplayPartial(self, image):
if (Image == None):
return
self.SetPartReg()
self.send_command(0x91)
self.send_command(0x90)
self.send_data(0)
self.send_data(self.width - 1)
self.send_data(0)
self.send_data(0)
self.send_data(self.height // 256)
self.send_data(self.height % 256 - 1)
self.send_data(0x28)
self.send_command(0x10)
for i in range(0, self.width * self.height // 8):
self.send_data(image[i])
epdconfig.delay_ms(10)
self.send_command(0x13)
for i in range(0, self.width * self.height // 8):
self.send_data(~image[i])
epdconfig.delay_ms(10)
self.TurnOnDisplay()
def init(self):
if (epdconfig.module_init() != 0):
return -1
# EPD hardware init start
self.reset()
self.send_command(0x01) #POWER SETTING
self.send_data(0x07)
self.send_data(0x07) #VGH=20V,VGL=-20V
self.send_data(0x3f) #VDH=15V
self.send_data(0x3f) #VDL=-15V
self.send_command(0x04) #POWER ON
epdconfig.delay_ms(100)
self.ReadBusy()
self.send_command(0X00) #PANNEL SETTING
self.send_data(0x1F) #KW-3f KWR-2F BWROTP 0f BWOTP 1f
self.send_command(0x61) #tres
self.send_data(0x03) #source 800
self.send_data(0x20)
self.send_data(0x01) #gate 480
self.send_data(0xE0)
self.send_command(0X15)
self.send_data(0x00)
self.send_command(0X50) #VCOM AND DATA INTERVAL SETTING
self.send_data(0x10)
self.send_data(0x07)
self.send_command(0X60) #TCON SETTING
self.send_data(0x22)
# EPD hardware init end
return 0
def init(self):
if (epdconfig.module_init() != 0):
return -1
self.reset()
self.send_command(0x01); #POWER SETTING
self.send_data(0x07);
self.send_data(0x07); #VGH=20V,VGL=-20V
self.send_data(0x3f); #VDH=15V
self.send_data(0x3f); #VDL=-15V
self.send_command(0x04); #POWER ON
epdconfig.delay_ms(100);
self.ReadBusy();
self.send_command(0X00); #PANNEL SETTING
self.send_data(0x0F); #KW-3f KWR-2F BWROTP 0f BWOTP 1f
self.send_command(0x61); #tres
self.send_data(0x03); #source 800
self.send_data(0x20);
self.send_data(0x01); #gate 480
self.send_data(0xE0);
self.send_command(0X15);
self.send_data(0x00);
self.send_command(0X50); #VCOM AND DATA INTERVAL SETTING
self.send_data(0x11);
self.send_data(0x07);
self.send_command(0X60); #TCON SETTING
self.send_data(0x22);
return 0
font24 = ImageFont.truetype('/usr/share/fonts/truetype/freefont/FreeSans.ttf', 24)
while 1:
# t1=time.time()
Himage = Image.new('1', (epd2in7.EPD_HEIGHT, epd2in7.EPD_WIDTH), 255) # 255: clear the frame
#t2=time.time()
#print("1:"+str(t2-t1))
draw = ImageDraw.Draw(Himage)
#t3=time.time()
#print("2:"+str(t3-t2))
draw.text((10, 0), 'hello world', font = font24, fill = 0)
draw.text((10,30),str(time.time()),font =font24 ,fill=0)
#t4=time.time()
# print("3:"+str(t4-t3))
epd.display(epd.getbuffer(Himage))
#t5=time.time()
# print("4:"+str(t5-t4))
epdconfig.delay_ms(100)
print(str(time.time()))
except:
print('traceback.format_exc():\n%s',traceback.format_exc())
exit()
def wait_until_idle(self):
print("e-Paper busy")
while (epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
self.send_command(0x71)
epdconfig.delay_ms(100)
print("e-Paper busy release")
def ReadBusy(self):
print("e-Paper busy")
while (epdconfig.digital_read(
self.busy_pin) == 0): # 0: idle, 1: busy
epdconfig.delay_ms(200)
print("e-Paper busy release")
def ReadBusy(self):
while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy
epdconfig.delay_ms(200)
def TurnOnDisplay(self):
self.send_command(0x12)
epdconfig.delay_ms(10)
self.ReadBusy()
def wait_until_idle(self):
self.logger.debug("e-Paper busy")
while (epdconfig.digital_read(self.busy_pin) == 0): # 0: busy, 1: idle
epdconfig.delay_ms(100)
self.logger.debug("e-Paper busy release")
def wait_until_idle(self):
#print("e-Paper busy")
while (epdconfig.digital_read(self.busy_pin) == 0): # 0: busy, 1: idle
epdconfig.delay_ms(100)
def wait_until_idle(self):
i = 0
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
print('wfi', i)
i+=1
epdconfig.delay_ms(100)
def wait_until_idle(self):
logger.debug("e-Paper busy")
while (epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
epdconfig.delay_ms(50)
logger.debug("e-Paper busy release")
def ReadBusy(self):
print("e-Paper busy")
while (epdconfig.digital_read(self.busy_pin) == 1):
epdconfig.delay_ms(100)
print("e-Paper busy release")
def wait_until_idle(self):
print("busy")
while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy
epdconfig.delay_ms(100)
print("free busy")
def ReadBusy(self):
logging.debug("e-Paper busy")
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
epdconfig.delay_ms(100)
logging.debug("e-Paper busy release")
def sleep(self):
self.send_command(0x10) #deep sleep
self.send_data(0x01)
epdconfig.delay_ms(2000)
epdconfig.module_exit()
def wait_until_idle(self):
print "e-Paper busy"
while (epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
epdconfig.delay_ms(100)
print "e-Paper busy release"
def ReadBusy(self):
logging.debug("e-Paper busy")
busy = epdconfig.digital_read(self.busy_pin)
while (busy == 1):
busy = epdconfig.digital_read(self.busy_pin)
epdconfig.delay_ms(200)
def wait_until_idle(self):
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
self.send_command(0x71)
epdconfig.delay_ms(100)
def sleep(self):
self.send_command(0x10) #enter deep sleep
# self.send_data(0x01)
epdconfig.delay_ms(100)
def TurnOnDisplay(self):
self.send_command(0x12)
epdconfig.delay_ms(10)
self.wait_until_idle()
def display_4Gray(self, image):
self.send_command(0x10)
for i in range(0, 5808): #5808*4 46464
temp3 = 0
for j in range(0, 2):
temp1 = image[i * 2 + j]
for k in range(0, 2):
temp2 = temp1 & 0xC0
if (temp2 == 0xC0):
temp3 |= 0x01 #white
elif (temp2 == 0x00):
temp3 |= 0x00 #black
elif (temp2 == 0x80):
temp3 |= 0x01 #gray1
else: #0x40
temp3 |= 0x00 #gray2
temp3 <<= 1
temp1 <<= 2
temp2 = temp1 & 0xC0
if (temp2 == 0xC0): #white
temp3 |= 0x01
elif (temp2 == 0x00): #black
temp3 |= 0x00
elif (temp2 == 0x80):
temp3 |= 0x01 #gray1
else: #0x40
temp3 |= 0x00 #gray2
if (j != 1 or k != 1):
temp3 <<= 1
temp1 <<= 2
self.send_data(temp3)
self.send_command(0x13)
for i in range(0, 5808): #5808*4 46464
temp3 = 0
for j in range(0, 2):
temp1 = image[i * 2 + j]
for k in range(0, 2):
temp2 = temp1 & 0xC0
if (temp2 == 0xC0):
temp3 |= 0x01 #white
elif (temp2 == 0x00):
temp3 |= 0x00 #black
elif (temp2 == 0x80):
temp3 |= 0x00 #gray1
else: #0x40
temp3 |= 0x01 #gray2
temp3 <<= 1
temp1 <<= 2
temp2 = temp1 & 0xC0
if (temp2 == 0xC0): #white
temp3 |= 0x01
elif (temp2 == 0x00): #black
temp3 |= 0x00
elif (temp2 == 0x80):
temp3 |= 0x00 #gray1
else: #0x40
temp3 |= 0x01 #gray2
if (j != 1 or k != 1):
temp3 <<= 1
temp1 <<= 2
self.send_data(temp3)
self.gray_SetLut()
self.send_command(0x12)
epdconfig.delay_ms(200)
self.ReadBusy()
def wait_until_idle(self):
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
epdconfig.delay_ms(100)
def init(self, mode):
if (epdconfig.module_init() != 0):
return -1
# EPD hardware init start
self.reset()
self.send_command(0x12)
epdconfig.delay_ms(300)
self.send_command(0x46)
self.send_data(0xF7)
self.ReadBusy()
self.send_command(0x47)
self.send_data(0xF7)
self.ReadBusy()
self.send_command(0x01) # setting gaet number
self.send_data([0xDF, 0x01, 0x00])
self.send_command(0x03) # set gate voltage
self.send_data(0x00)
self.send_command(0x04) # set source voltage
self.send_data([0x41, 0xA8, 0x32])
self.send_command(0x11) # set data entry sequence
if self.rotation == 0:
self.send_data(0x03)
elif self.rotation == 180:
self.send_data(0x00)
elif self.rotation == 90:
self.send_data(0x06)
elif self.rotation == 270:
self.send_data(0x05)
else:
raise ValueError(f"Incorrect rotation selected")
self.send_command(0x3C) # set border
self.send_data(0x03)
self.send_command(0x0C) # set booster strength
self.send_data([0xAE, 0xC7, 0xC3, 0xC0, 0xC0])
self.send_command(0x18) # set internal sensor on
self.send_data(0x80)
self.send_command(0x2C) # set vcom value
self.send_data(0x44)
if (mode == 0): #4Gray
self.send_command(
0x37
) # set display option, these setting turn on previous function
self.send_data(
[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
elif (mode == 1): #1Gray
self.send_command(
0x37
) # set display option, these setting turn on previous function
# can switch 1 gray or 4 gray
self.send_data(
[0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x4F, 0xFF, 0xFF, 0xFF, 0xFF])
else:
logger.debug("There is no such mode")
self.set_window()
self.send_command(0x22) # Display Update Control 2
self.send_data(0xCF)
return 0
