nemunaire/waveshareteam-e-Paper
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Consolidate repeated functions

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This commit is contained in:
missionfloyd 2021-02-24 22:31:05 -07:00
commit c586f8d0f7
38 changed files with 2001 additions and 2881 deletions
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92
RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd2in7b_V2.py
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@ -37,36 +37,10 @@ EPD_HEIGHT = 264
class EPD:
def __init__(self):
self.reset_pin = epdconfig.RST_PIN
self.dc_pin = epdconfig.DC_PIN
self.busy_pin = epdconfig.BUSY_PIN
self.cs_pin = epdconfig.CS_PIN
self.width = EPD_WIDTH
self.height = EPD_HEIGHT
# Hardware reset
def reset(self):
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(200)
epdconfig.digital_write(self.reset_pin, 0)
epdconfig.delay_ms(2)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(200)
# Send Command
def send_command(self, command):
epdconfig.digital_write(self.dc_pin, 0)
epdconfig.digital_write(self.cs_pin, 0)
epdconfig.spi_writebyte([command])
epdconfig.digital_write(self.cs_pin, 1)
# Send Data
def send_data(self, data):
epdconfig.digital_write(self.dc_pin, 1)
epdconfig.digital_write(self.cs_pin, 0)
epdconfig.spi_writebyte([data])
epdconfig.digital_write(self.cs_pin, 1)
# Read Busy
def ReadBusy(self):
logging.debug("e-Paper busy")
@ -76,42 +50,42 @@ class EPD:
# Setting the display window
def SetWindows(self, Xstart, Ystart, Xend, Yend):
self.send_command(0x44)
self.send_data((Xstart >> 3) & 0xff)
self.send_data((Xend >> 3) & 0xff)
epdconfig.send_command(0x44)
epdconfig.send_data((Xstart >> 3) & 0xff)
epdconfig.send_data((Xend >> 3) & 0xff)
self.send_command(0x45)
self.send_data(Ystart & 0xff)
self.send_data((Ystart >> 8) & 0xff)
self.send_data(Yend & 0xff)
self.send_data((Yend >> 8) & 0xff)
epdconfig.send_command(0x45)
epdconfig.send_data(Ystart & 0xff)
epdconfig.send_data((Ystart >> 8) & 0xff)
epdconfig.send_data(Yend & 0xff)
epdconfig.send_data((Yend >> 8) & 0xff)
# Set Cursor
def SetCursor(self, Xstart, Ystart):
self.send_command(0x4E)
self.send_data(Xstart & 0xff)
self.send_command(0x4F)
self.send_data(Ystart & 0xff)
self.send_data((Ystart >> 8) & 0xff)
epdconfig.send_command(0x4E)
epdconfig.send_data(Xstart & 0xff)
epdconfig.send_command(0x4F)
epdconfig.send_data(Ystart & 0xff)
epdconfig.send_data((Ystart >> 8) & 0xff)
# Initialize the e-Paper register
def init(self):
if (epdconfig.module_init() != 0):
return -1
self.reset()
epdconfig.reset(200, 2, 200)
self.ReadBusy()
self.send_command(0x12)
epdconfig.send_command(0x12)
self.ReadBusy()
self.send_command(0x00)
self.send_data(0x27)
self.send_data(0x01)
self.send_data(0x00)
epdconfig.send_command(0x00)
epdconfig.send_data(0x27)
epdconfig.send_data(0x01)
epdconfig.send_data(0x00)
self.send_command(0x11)
self.send_data(0x03)
epdconfig.send_command(0x11)
epdconfig.send_data(0x03)
self.SetWindows(0, 0, self.width-1, self.height-1)
self.SetCursor(0, 0)
@ -146,37 +120,37 @@ class EPD:
Width = self.width / 8
Height = self.height
self.send_command(0x24)
epdconfig.send_command(0x24)
for i in range(0, int(Width * Height)):
self.send_data(imageblack[i])
epdconfig.send_data(imageblack[i])
self.send_command(0x26)
epdconfig.send_command(0x26)
for i in range(0, int(Width * Height)):
self.send_data(~imagered[i])
epdconfig.send_data(~imagered[i])
self.TurnOnDisplay()
# Clear the screen
def Clear(self):
self.send_command(0x24)
epdconfig.send_command(0x24)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0xff)
epdconfig.send_data(0xff)
self.send_command(0x26)
epdconfig.send_command(0x26)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0x00)
epdconfig.send_data(0x00)
self.TurnOnDisplay()
# Turn on display
def TurnOnDisplay(self):
self.send_command(0x20)
epdconfig.send_command(0x20)
self.ReadBusy()
# Enter sleep mode
def sleep(self):
self.send_command(0x10)
self.send_data(0x01)
epdconfig.send_command(0x10)
epdconfig.send_data(0x01)
epdconfig.delay_ms(2000)
epdconfig.module_exit()