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e-paper busy endless loop work-around for epd7in5_V2.py #193

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e-paper busy endless loop work-around for epd7in5_V2.py #193

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f1ff38c
Update epd7in5_V2.py
tkameroski Aug 30, 2021
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Update epd7in5_V2.py
tkameroski Aug 30, 2021
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Update epd7in5_V2.py
tkameroski Aug 30, 2021
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Update epd7in5_V2.py
tkameroski Aug 30, 2021
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tkameroski Aug 30, 2021
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Update epd7in5_V2.py
tkameroski Aug 30, 2021
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Update epd7in5_V2.py
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Update epd7in5_V2.py
tkameroski Aug 30, 2021
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17 changes: 9 additions & 8 deletions RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd7in5_V2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -128,13 +128,14 @@ def send_data2(self, data):
epdconfig.digital_write(self.cs_pin, 1)

def ReadBusy(self):
logger.debug("e-Paper busy")
self.send_command(0x71)
busy = epdconfig.digital_read(self.busy_pin)
while(busy == 0):
self.send_command(0x71)
busy = epdconfig.digital_read(self.busy_pin)
epdconfig.delay_ms(20)
logger.debug("e-Paper busy")
iter = 0
while epdconfig.digital_read(self.busy_pin) == 0:
epdconfig.delay_ms(100)
iter += 1
if iter > 150:
logger.info("Forced e-paper busy release")
break
logger.debug("e-Paper busy release")

def SetLut(self, lut_vcom, lut_ww, lut_bw, lut_wb, lut_bb):
Expand Down Expand Up @@ -200,7 +201,7 @@ def init(self):
self.ReadBusy()

self.send_command(0X00) #PANNEL SETTING
self.send_data(0x3F) #KW-3f KWR-2F BWROTP 0f BWOTP 1f
self.send_data(0x1F) #KW-3f KWR-2F BWROTP 0f BWOTP 1f

self.send_command(0x61) #tres
self.send_data(0x03) #source 800
Expand Down