Add Sunrise x3 Pi Python program, modify some programs to speed up data transfer.

This commit is contained in:
SSYYL 2022-08-15 11:14:27 +08:00
parent 979184d047
commit 88bbf456c6
28 changed files with 709 additions and 453 deletions

View file

@ -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
@ -66,6 +66,13 @@ 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")
@ -134,17 +141,25 @@ class EPD:
return buf
def display(self, blackimage, redimage):
if self.width%8 == 0:
linewidth = int(self.width/8)
else:
linewidth = int(self.width/8) + 1
buf = [0x00] * self.height * linewidth
# send black data
if (blackimage != None):
self.send_command(0x24) # DATA_START_TRANSMISSION_1
for i in range(0, int(self.width * self.height / 8)):
self.send_data(blackimage[i])
self.send_data2(blackimage)
# send red data
if (redimage != None):
self.send_command(0x26) # DATA_START_TRANSMISSION_2
for i in range(0, int(self.width * self.height / 8)):
self.send_data(~redimage[i])
buf[i] = ~redimage[i]
self.send_data2(buf)
self.send_command(0x22) # DISPLAY_REFRESH
self.send_data(0xF7)
@ -152,13 +167,16 @@ class EPD:
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(0x24) # DATA_START_TRANSMISSION_1
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(0x26) # DATA_START_TRANSMISSION_2
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0x00)
self.send_data2([0x00] * int(self.height * linewidth))
self.send_command(0x22) # DISPLAY_REFRESH
self.send_data(0xF7)