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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68
RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd4in2b_V2.py
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@ -36,39 +36,15 @@ EPD_HEIGHT = 300
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(5)
epdconfig.digital_write(self.reset_pin, 1)
epdconfig.delay_ms(200)
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)
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)
self.height = EPD_HEIGHT
def ReadBusy(self):
logging.debug("e-Paper busy")
self.send_command(0x71);
epdconfig.send_command(0x71);
while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
self.send_command(0x71);
epdconfig.send_command(0x71);
epdconfig.delay_ms(20)
logging.debug("e-Paper busy release")
@ -76,13 +52,13 @@ class EPD:
if (epdconfig.module_init() != 0):
return -1
self.reset()
epdconfig.reset(200, 5, 200)
self.send_command(0x04);
epdconfig.send_command(0x04);
self.ReadBusy();
self.send_command(0x00);
self.send_data(0x0f);
epdconfig.send_command(0x00);
epdconfig.send_data(0x0f);
return 0
@ -111,39 +87,39 @@ class EPD:
return buf
def display(self, imageblack, imagered):
self.send_command(0x10)
epdconfig.send_command(0x10)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(imageblack[i])
epdconfig.send_data(imageblack[i])
self.send_command(0x13)
epdconfig.send_command(0x13)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(imagered[i])
epdconfig.send_data(imagered[i])
self.send_command(0x12)
epdconfig.send_command(0x12)
epdconfig.delay_ms(20)
self.ReadBusy()
def Clear(self):
self.send_command(0x10)
epdconfig.send_command(0x10)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0xFF)
epdconfig.send_data(0xFF)
self.send_command(0x13)
epdconfig.send_command(0x13)
for i in range(0, int(self.width * self.height / 8)):
self.send_data(0xFF)
epdconfig.send_data(0xFF)
self.send_command(0x12)
epdconfig.send_command(0x12)
epdconfig.delay_ms(20)
self.ReadBusy()
def sleep(self):
self.send_command(0X50);
self.send_data(0xf7); #border floating
epdconfig.send_command(0X50);
epdconfig.send_data(0xf7); #border floating
self.send_command(0X02); #power off
epdconfig.send_command(0X02); #power off
self.ReadBusy(); #waiting for the electronic paper IC to release the idle signal
self.send_command(0X07); #deep sleep
self.send_data(0xA5);
epdconfig.send_command(0X07); #deep sleep
epdconfig.send_data(0xA5);
epdconfig.delay_ms(2000)
epdconfig.module_exit()