nemunaire/waveshareteam-e-Paper
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Add Sunrise x3 Pi Python program, modify some programs to speed up data transfer.

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SSYYL 2022-08-15 11:14:27 +08:00
commit 88bbf456c6
28 changed files with 707 additions and 451 deletions
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44
RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd4in2b_V2.py
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@ -4,8 +4,8 @@
# * | Function : Electronic paper driver
# * | Info :
# *----------------
# * | This version: V4.0
# * | Date : 2019-06-20
# * | This version: V4.1
# * | Date : 2022-08-10
# # | Info : python demo
# -----------------------------------------------------------------------------
# Permission is hereby granted, free of charge, to any person obtaining a copy
@ -65,12 +65,19 @@ class EPD:
epdconfig.digital_write(self.cs_pin, 0)
epdconfig.spi_writebyte([data])
epdconfig.digital_write(self.cs_pin, 1)
# send a lot of data
def send_data2(self, data):
epdconfig.digital_write(self.dc_pin, 1)
epdconfig.digital_write(self.cs_pin, 0)
epdconfig.spi_writebyte2(data)
epdconfig.digital_write(self.cs_pin, 1)
def ReadBusy(self):
logger.debug("e-Paper busy")
self.send_command(0x71);
self.send_command(0x71)
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
self.send_command(0x71);
self.send_command(0x71)
epdconfig.delay_ms(20)
logger.debug("e-Paper busy release")
@ -114,38 +121,39 @@ class EPD:
def display(self, imageblack, imagered):
self.send_command(0x10)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(imageblack[i])
self.send_data2(imageblack)
self.send_command(0x13)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(imagered[i])
self.send_data2(imagered)
self.send_command(0x12)
epdconfig.delay_ms(20)
self.ReadBusy()
def Clear(self):
if self.width%8 == 0:
linewidth = int(self.width/8)
else:
linewidth = int(self.width/8) + 1
self.send_command(0x10)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0xFF)
self.send_data2([0xff] * int(self.height * linewidth))
self.send_command(0x13)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0xFF)
self.send_data2([0xff] * int(self.height * linewidth))
self.send_command(0x12)
epdconfig.delay_ms(20)
self.ReadBusy()
def sleep(self):
self.send_command(0X50);
self.send_data(0xf7); #border floating
self.send_command(0X50)
self.send_data(0xf7) #border floating
self.send_command(0X02); #power off
self.ReadBusy(); #waiting for the electronic paper IC to release the idle signal
self.send_command(0X07); #deep sleep
self.send_data(0xA5);
self.send_command(0X02) #power off
self.ReadBusy() #waiting for the electronic paper IC to release the idle signal
self.send_command(0X07) #deep sleep
self.send_data(0xA5)
epdconfig.delay_ms(2000)
epdconfig.module_exit()