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Improved calibration function

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The new calibration function is now faster by several minutes
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Ace 2019-12-05 00:07:53 +01:00 committed by GitHub
parent 0a8e9281cd
commit adf662efcc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 59 additions and 20 deletions
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79
Inky-Calendar/modules/inkycal_drivers.py
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@ -154,23 +154,42 @@ class EPD:
self.digital_write(self.reset_pin, GPIO.HIGH) self.digital_write(self.reset_pin, GPIO.HIGH)
self.delay_ms(200) self.delay_ms(200)
def calibrate_display(no_of_cycles): def calibrate_display(self, no_of_cycles):
"""Function for Calibration""" """Function for Calibration"""
black = Image.new('1', (EPD_WIDTH, EPD_HEIGHT), 'black')
white = Image.new('1', (EPD_WIDTH, EPD_HEIGHT), 'white') if display_type == 'colour':
red = Image.new('RGB', (EPD_WIDTH, EPD_HEIGHT), 'red') packets = int(self.width / 2 * self.height)
if display_type == 'black_and_white':
packets = int(self.width / 4 * self.height)
white, red, black = 0x33, 0x04, 0x00
self.init()
print('----------Started calibration of E-Paper display----------') print('----------Started calibration of E-Paper display----------')
for _ in range(no_of_cycles): for _ in range(no_of_cycles):
self.send_command(DATA_START_TRANSMISSION_1)
print('Calibrating black...') print('Calibrating black...')
self.show_image(black) [self.send_data(black) for i in range(packets)]
if display_type == "colour": self.send_command(DISPLAY_REFRESH)
print('calibrating red...') self.wait_until_idle()
self.show_image(red)
if display_type == 'colour':
print('Calibrating red...')
self.send_command(DATA_START_TRANSMISSION_1)
[self.send_data(red) for i in range(packets)]
self.send_command(DISPLAY_REFRESH)
self.wait_until_idle()
print('Calibrating white...') print('Calibrating white...')
self.show_image(white) self.send_command(DATA_START_TRANSMISSION_1)
[self.send_data(white) for i in range(packets)]
self.send_command(DISPLAY_REFRESH)
self.wait_until_idle()
print('Cycle {0} of {1} complete'.format(_+1, no_of_cycles)) print('Cycle {0} of {1} complete'.format(_+1, no_of_cycles))
print('-----------Calibration complete----------')
print('-----------Calibration complete----------')
self.sleep()
def reduce_colours(self, image): def reduce_colours(self, image):
buffer = numpy.array(image) buffer = numpy.array(image)
@ -188,6 +207,26 @@ class EPD:
image = Image.fromarray(buffer) image = Image.fromarray(buffer)
return image return image
def clear(self, colour='white'):
if display_type == 'colour':
packets = int(self.width / 2 * self.height)
if display_type == 'black_and_white':
packets = int(self.width / 4 * self.height)
if colour == 'white': data = 0x33
if colour == 'red': data = 0x04
if colour == 'black': data = 0x00
self.init()
self.send_command(DATA_START_TRANSMISSION_1)
[self.send_data(data) for _ in range(packets)]
self.send_command(DISPLAY_REFRESH)
print('waiting until E-Paper is not busy')
self.delay_ms(100)
self.wait_until_idle()
print('E-Paper free')
self.sleep()
def get_frame_buffer(self, image): def get_frame_buffer(self, image):
imwidth, imheight = image.size imwidth, imheight = image.size
if imwidth == self.height and imheight == self.width: if imwidth == self.height and imheight == self.width:
@ -237,20 +276,20 @@ class EPD:
j = 0 j = 0
while (j < 4): while (j < 4):
if ((temp1 & 0xC0) == 0xC0): if ((temp1 & 0xC0) == 0xC0):
temp2 = 0x03 temp2 = 0x03 #white
elif ((temp1 & 0xC0) == 0x00): elif ((temp1 & 0xC0) == 0x00):
temp2 = 0x00 temp2 = 0x00 #black
else: else:
temp2 = 0x04 temp2 = 0x04 #red
temp2 = (temp2 << 4) & 0xFF temp2 = (temp2 << 4) & 0xFF
temp1 = (temp1 << 2) & 0xFF temp1 = (temp1 << 2) & 0xFF
j += 1 j += 1
if((temp1 & 0xC0) == 0xC0): if((temp1 & 0xC0) == 0xC0):
temp2 |= 0x03 temp2 |= 0x03 #white
elif ((temp1 & 0xC0) == 0x00): elif ((temp1 & 0xC0) == 0x00):
temp2 |= 0x00 temp2 |= 0x00 #black
else: else:
temp2 |= 0x04 temp2 |= 0x04 #red
temp1 = (temp1 << 2) & 0xFF temp1 = (temp1 << 2) & 0xFF
self.send_data(temp2) self.send_data(temp2)
j += 1 j += 1
@ -261,16 +300,16 @@ class EPD:
j = 0 j = 0
while (j < 8): while (j < 8):
if(temp1 & 0x80): if(temp1 & 0x80):
temp2 = 0x03 temp2 = 0x03 #white
else: else:
temp2 = 0x00 temp2 = 0x00 #black
temp2 = (temp2 << 4) & 0xFF temp2 = (temp2 << 4) & 0xFF
temp1 = (temp1 << 1) & 0xFF temp1 = (temp1 << 1) & 0xFF
j += 1 j += 1
if(temp1 & 0x80): if(temp1 & 0x80):
temp2 |= 0x03 temp2 |= 0x03 #white
else: else:
temp2 |= 0x00 temp2 |= 0x00 #black
temp1 = (temp1 << 1) & 0xFF temp1 = (temp1 << 1) & 0xFF
self.send_data(temp2) self.send_data(temp2)
j += 1 j += 1