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Waveshare213bc hung issues workaround

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This commit is contained in:
mohesh.mohan 2019-12-13 10:33:41 +04:00
parent 819146f83a
commit e06480e474
1 changed files with 30 additions and 2 deletions

32
pwnagotchi/ui/hw/libs/waveshare/v213bc/epd2in13bc.py

@ -44,6 +44,7 @@ class EPD:
self.width = EPD_WIDTH
self.height = EPD_HEIGHT
lut_vcomDC = [
0x00, 0x08, 0x00, 0x00, 0x00, 0x02,
0x60, 0x28, 0x28, 0x00, 0x00, 0x01,
@ -183,15 +184,42 @@ class EPD:
if (epdconfig.module_init() != 0):
return -1
logging.debug("e-Paper 2.13bc preboot hang check")
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
epdconfig.delay_ms(100)
self.reset()
self.send_command(0X50)
self.send_data(0xf7)
self.send_command(0X02) # power off
self.send_command(0X07) # deep sleep
self.send_data(0xA5)
epdconfig.GPIO.output(epdconfig.RST_PIN, 0)
epdconfig.GPIO.output(epdconfig.DC_PIN, 0)
epdconfig.GPIO.output(epdconfig.CS_PIN, 0)
logging.debug("Reset, powerdown, voltage off done")
logging.debug("e-Paper did not hungup")
self.reset()
self.send_command(0x01) # POWER SETTING
self.send_data(0x03)
self.send_data(0x00)
self.send_data(0x2b)
self.send_data(0x2b)
self.send_data(0x03)
self.send_command(0x06) # BOOSTER_SOFT_START
self.send_data(0x17)
self.send_data(0x17)
self.send_data(0x17)
self.send_command(0x04) # POWER_ON
self.ReadBusy()
logging.debug("e-Paper 2.13bc bootup busy")
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
epdconfig.delay_ms(100)
logging.debug("e-Paper booted")
# self.send_command(0x00) # PANEL_SETTING
# self.send_data(0x8F)
@ -210,7 +238,7 @@ class EPD:
self.send_data(0x3a) # 3a 100HZ 29 150Hz 39 200HZ 31 171HZ
self.send_command(0x61) # resolution setting
self.send_data(self.width)
self.send_data(self.width & 0xff)
self.send_data((self.height >> 8) & 0xff)
self.send_data(self.height& 0xff)