nemunaire/waveshareteam-e-Paper
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created send_command_and_data function

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Brian Y 2019-12-15 16:28:58 -05:00
commit 96e61363e9
1 changed files with 8 additions and 5 deletions
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RaspberryPi&JetsonNano/python/lib/waveshare_epd/epd2in7.py
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@ -267,9 +267,12 @@ class EPD:
epdconfig.delay_ms(1) epdconfig.delay_ms(1)
logging.debug("e-Paper busy release") logging.debug("e-Paper busy release")
def build_look_up_table(self, command, lut): def send_command_and_data(self command, data=None):
self.send_command(command) self.digital_write(self.dc_pin, epdif.GPIO.LOW) # LOW: write command
[self.send_data(data) for data in lut] epdif.spi_writebytes([command])
if data:
self.digital_write(self.dc_pin, epdif.GPIO.HIGH) # HIGH: write data
epdif.spi_writebytes(data)
def set_lut(self): def set_lut(self):
look_up_tables = { look_up_tables = {
@ -280,8 +283,8 @@ class EPD:
LUT_BLACK_TO_BLACK: self.lut_bb LUT_BLACK_TO_BLACK: self.lut_bb
} }
for command, lut in look_up_tables.items(): for command, data in look_up_tables.items():
self.build_look_up_table(command, lut) self.send_command_and_data(command, data)
# self.send_command(LUT_FOR_VCOM) # vcom # self.send_command(LUT_FOR_VCOM) # vcom
# for data in self.lut_vcom_dc: # for data in self.lut_vcom_dc: