First upload

drivers/caldavprovider.py

@@ -0,0 +1,38 @@
+from datetime import datetime
+
+import caldav
+import icalendar
+import pytz
+import urllib3
+
+urllib3.disable_warnings()
+
+class CalDavProvider():
+    def __init__(self, username, password):
+        self.tz = pytz.timezone('Europe/Madrid')
+        self.username = username
+        self.password = password
+
+    def get_calendar(self, url, date_start, date_end):
+        # print("%s %s" % (date_start, date_end))
+        client = caldav.DAVClient(url=url, username=self.username, password=self.password, ssl_verify_cert=False)
+        calendar = caldav.Calendar(client=client, url=url)
+        returned_events = []
+
+        events_found = calendar.date_search(
+            start=date_start, end=date_end,
+            compfilter='VEVENT', expand=True)
+        if events_found:
+            for event in events_found:
+                cal = icalendar.Calendar.from_ical(event.data)
+                single_event = {}
+                for event in cal.walk('vevent'):
+                    date_start = event.get('dtstart')
+                    duration = event.get('duration')
+                    summary = event.get('summary')
+                single_event['event_start'] = date_start.dt.astimezone(self.tz)
+                single_event['event_end'] = (date_start.dt + duration.dt).astimezone(self.tz)
+                single_event['event_title'] = summary
+                returned_events.append(single_event)
+
+        return returned_events

drivers/einkdriver.py

@@ -0,0 +1,25 @@
+from . import epd7in5bc
+
+class EinkDriver():
+    def __init__(self, xres, yres):
+        self.epd = epd7in5bc.EPD()
+        self.epd.init()
+        self.epd.Clear()
+        self.xres = xres
+        self.yres = yres
+
+    # image1: black/white image
+    # image2: black/yellow image
+    def display(self, image1=None, image2=None):
+        self.epd.init()
+        self.epd.display(self.epd.getbuffer(image1), self.epd.getbuffer(image2))
+        self.epd.sleep()
+
+    def end(self):
+        print("Ending e-ink driver")
+        self.epd.init()
+        self.epd.Clear()
+        self.epd.sleep()
+        self.epd.Dev_exit()
+        print("e-ink driver finished")
+

drivers/epd7in5bc.py

@@ -0,0 +1,197 @@
+# *****************************************************************************
+# * | File        :	  epd7in5bc.py
+# * | Author      :   Waveshare team
+# * | Function    :   Electronic paper driver
+# * | Info        :
+# *----------------
+# * | This version:   V4.0
+# * | Date        :   2019-06-20
+# # | Info        :   python demo
+# -----------------------------------------------------------------------------
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to  whom the Software is
+# furished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+
+import logging
+from . import epdconfig
+
+# Display resolution
+EPD_WIDTH       = 640
+EPD_HEIGHT      = 384
+
+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(10)
+        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)
+
+    def send_data_array(self, data):
+        epdconfig.digital_write(self.dc_pin, 1)
+        epdconfig.digital_write(self.cs_pin, 0)
+        epdconfig.SPI.writebytes2(data)
+        epdconfig.digital_write(self.cs_pin, 1)
+        
+    def ReadBusy(self):
+        logging.debug("e-Paper busy")
+        while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy
+            epdconfig.delay_ms(100)
+        logging.debug("e-Paper busy release")
+            
+    def init(self):
+        if (epdconfig.module_init() != 0):
+            return -1
+            
+        self.reset()
+
+        self.send_command(0x01) # POWER_SETTING
+        self.send_data(0x37)
+        self.send_data(0x00)
+        
+        self.send_command(0x00) # PANEL_SETTING
+        self.send_data(0xCF)
+        self.send_data(0x08)
+        
+        self.send_command(0x30) # PLL_CONTROL
+        self.send_data(0x3A) # PLL:  0-15:0x3C, 15+:0x3A
+        
+        self.send_command(0x82) # VCM_DC_SETTING
+        self.send_data(0x28) #all temperature  range
+
+        self.send_command(0x06) # BOOSTER_SOFT_START
+        self.send_data(0xc7)
+        self.send_data(0xcc)
+        self.send_data(0x15)
+
+        self.send_command(0x50) # VCOM AND DATA INTERVAL SETTING
+        self.send_data(0x77)
+
+        self.send_command(0x60) # TCON_SETTING
+        self.send_data(0x22)
+
+        self.send_command(0x65) # FLASH CONTROL
+        self.send_data(0x00)
+
+        self.send_command(0x61) # TCON_RESOLUTION
+        self.send_data(self.width >> 8) # source 640
+        self.send_data(self.width & 0xff)
+        self.send_data(self.height >> 8) # gate 384
+        self.send_data(self.height & 0xff)
+
+        self.send_command(0xe5) # FLASH MODE
+        self.send_data(0x03)
+        
+        return 0
+
+    def getbuffer(self, image):
+        img = image
+        imwidth, imheight = img.size
+        if(imwidth == self.width and imheight == self.height):
+            img = img.convert('1')
+        elif(imwidth == self.height and imheight == self.width):
+            img = img.rotate(90, expand=True).convert('1')
+        else:
+            logging.warning("Wrong image dimensions: must be " + str(self.width) + "x" + str(self.height))
+            # return a blank buffer
+            return [0x00] * (int(self.width/8) * self.height)
+
+        buf = bytearray(img.tobytes('raw'))
+        return buf
+
+    def display(self, imageblack, imagered):
+        buf = [0x00] * ((self.width // 2) * self.height)
+
+        for i in range(0, int(self.width / 8 * self.height)):
+            temp1 = imageblack[i]
+            temp2 = imagered[i]
+            j = 0
+            while (j < 8):
+                if ((temp2 & 0x80) == 0x00):
+                    temp3 = 0x04                #red
+                elif ((temp1 & 0x80) == 0x00):
+                    temp3 = 0x00                #black
+                else:
+                    temp3 = 0x03                #white
+					
+                temp3 = (temp3 << 4) & 0xFF
+                temp1 = (temp1 << 1) & 0xFF
+                temp2 = (temp2 << 1) & 0xFF
+                j += 1
+                if((temp2 & 0x80) == 0x00):
+                    temp3 |= 0x04              #red
+                elif ((temp1 & 0x80) == 0x00):
+                    temp3 |= 0x00              #black
+                else:
+                    temp3 |= 0x03              #white
+                temp1 = (temp1 << 1) & 0xFF
+                temp2 = (temp2 << 1) & 0xFF
+                buf[i * 4 + (j//2)] = temp3
+                j += 1
+                
+        self.send_command(0x10)
+        self.send_data_array(buf)   
+        self.send_command(0x04) # POWER ON
+        self.ReadBusy()
+        self.send_command(0x12) # display refresh
+        epdconfig.delay_ms(100)
+        self.ReadBusy()
+        
+    def Clear(self):
+        buf = [0x33] * ((self.width // 2) * self.height)
+        self.send_command(0x10)
+        self.send_data_array(buf)
+        self.send_command(0x04) # POWER ON
+        self.ReadBusy()
+        self.send_command(0x12) # display refresh
+        epdconfig.delay_ms(100)
+        self.ReadBusy()
+
+    def sleep(self):
+        self.send_command(0x02) # POWER_OFF
+        self.ReadBusy()
+        
+        self.send_command(0x07) # DEEP_SLEEP
+        self.send_data(0XA5)
+        
+    def Dev_exit(self):
+        epdconfig.module_exit()
+### END OF FILE ###

drivers/epdconfig.py

@@ -0,0 +1,156 @@
+# /*****************************************************************************
+# * | File        :	  epdconfig.py
+# * | Author      :   Waveshare team
+# * | Function    :   Hardware underlying interface
+# * | Info        :
+# *----------------
+# * | This version:   V1.0
+# * | Date        :   2019-06-21
+# * | Info        :   
+# ******************************************************************************
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documnetation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to  whom the Software is
+# furished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+import os
+import logging
+import sys
+import time
+
+
+class RaspberryPi:
+    # Pin definition
+    RST_PIN         = 17
+    DC_PIN          = 25
+    CS_PIN          = 8
+    BUSY_PIN        = 24
+
+    def __init__(self):
+        import spidev
+        import RPi.GPIO
+
+        self.GPIO = RPi.GPIO
+
+        # SPI device, bus = 0, device = 0
+        self.SPI = spidev.SpiDev(0, 0)
+
+    def digital_write(self, pin, value):
+        self.GPIO.output(pin, value)
+
+    def digital_read(self, pin):
+        return self.GPIO.input(pin)
+
+    def delay_ms(self, delaytime):
+        time.sleep(delaytime / 1000.0)
+
+    def spi_writebyte(self, data):
+        self.SPI.writebytes(data)
+
+    def module_init(self):
+        self.GPIO.setmode(self.GPIO.BCM)
+        self.GPIO.setwarnings(False)
+        self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
+        self.SPI.max_speed_hz = 4000000
+        self.SPI.mode = 0b00
+        return 0
+
+    def module_exit(self):
+        logging.debug("spi end")
+        self.SPI.close()
+
+        logging.debug("close 5V, Module enters 0 power consumption ...")
+        self.GPIO.setmode(self.GPIO.BCM)
+        self.GPIO.output(self.RST_PIN, 0)
+        self.GPIO.output(self.DC_PIN, 0)
+
+        self.GPIO.cleanup()
+
+
+class JetsonNano:
+    # Pin definition
+    RST_PIN         = 17
+    DC_PIN          = 25
+    CS_PIN          = 8
+    BUSY_PIN        = 24
+
+    def __init__(self):
+        import ctypes
+        find_dirs = [
+            os.path.dirname(os.path.realpath(__file__)),
+            '/usr/local/lib',
+            '/usr/lib',
+        ]
+        self.SPI = None
+        for find_dir in find_dirs:
+            so_filename = os.path.join(find_dir, 'sysfs_software_spi.so')
+            if os.path.exists(so_filename):
+                self.SPI = ctypes.cdll.LoadLibrary(so_filename)
+                break
+        if self.SPI is None:
+            raise RuntimeError('Cannot find sysfs_software_spi.so')
+
+        import Jetson.GPIO
+        self.GPIO = Jetson.GPIO
+
+    def digital_write(self, pin, value):
+        self.GPIO.output(pin, value)
+
+    def digital_read(self, pin):
+        return self.GPIO.input(self.BUSY_PIN)
+
+    def delay_ms(self, delaytime):
+        time.sleep(delaytime / 1000.0)
+
+    def spi_writebyte(self, data):
+        self.SPI.SYSFS_software_spi_transfer(data[0])
+
+    def module_init(self):
+        self.GPIO.setmode(self.GPIO.BCM)
+        self.GPIO.setwarnings(False)
+        self.GPIO.setup(self.RST_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.DC_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.CS_PIN, self.GPIO.OUT)
+        self.GPIO.setup(self.BUSY_PIN, self.GPIO.IN)
+        self.SPI.SYSFS_software_spi_begin()
+        return 0
+
+    def module_exit(self):
+        logging.debug("spi end")
+        self.SPI.SYSFS_software_spi_end()
+
+        logging.debug("close 5V, Module enters 0 power consumption ...")
+        self.GPIO.output(self.RST_PIN, 0)
+        self.GPIO.output(self.DC_PIN, 0)
+
+        self.GPIO.cleanup()
+
+
+if os.path.exists('/sys/bus/platform/drivers/gpiomem-bcm2835'):
+    implementation = RaspberryPi()
+else:
+    implementation = JetsonNano()
+
+for func in [x for x in dir(implementation) if not x.startswith('_')]:
+    setattr(sys.modules[__name__], func, getattr(implementation, func))
+
+
+### END OF FILE ###
+

drivers/gpiodriver.py

@@ -0,0 +1,52 @@
+from datetime import datetime
+import RPi.GPIO as GPIO
+import time
+
+row_channels = [6, 5, 19, 13]
+column_channel = 26
+
+class GPIODriver():
+    def __init__(self):
+        GPIO.setmode(GPIO.BCM)
+        GPIO.setup(row_channels, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+        GPIO.setup(column_channel, GPIO.OUT)
+
+    def wait_for_keypress(self, timeout=60):
+        self.pressed = None
+
+        def callback_1(channel):
+            # print("Pressed key 1")
+            self.pressed = 1
+
+        def callback_2(channel):
+            # print("Pressed key 2")
+            self.pressed = 2
+
+        def callback_3(channel):
+            # print("Pressed key 3")
+            self.pressed = 3
+
+        def callback_4(channel):
+            # print("Pressed key 4")
+            self.pressed = 4
+
+        GPIO.add_event_detect(row_channels[0], GPIO.RISING, callback=callback_1, bouncetime=500)
+        GPIO.add_event_detect(row_channels[1], GPIO.RISING, callback=callback_2, bouncetime=500)
+        GPIO.add_event_detect(row_channels[2], GPIO.RISING, callback=callback_3, bouncetime=500)
+        GPIO.add_event_detect(row_channels[3], GPIO.RISING, callback=callback_4, bouncetime=500)
+        GPIO.output(column_channel, GPIO.HIGH)
+        start_time = datetime.now()
+        while not self.pressed:
+            time.sleep(1)
+            current_time = datetime.now()
+            delta = current_time - start_time
+            if delta.seconds > timeout:
+                for chan in row_channels:
+                    GPIO.remove_event_detect(chan)
+                GPIO.output(column_channel, GPIO.LOW)
+                return None            
+
+        for chan in row_channels:
+            GPIO.remove_event_detect(chan)
+        GPIO.output(column_channel, GPIO.LOW)
+        return self.pressed

drivers/pygamedriver.py

@@ -0,0 +1,61 @@
+from datetime import datetime
+import pygame
+import sys
+
+class PygameDriver():
+    def __init__(self, xres, yres):
+        pygame.init()
+        self.screen = pygame.display.set_mode((xres, yres))
+        self.xres = xres
+        self.yres = yres
+
+    # image1: black/white image
+    # image2: black/yellow image
+    def display(self, image1=None, image2=None):
+        if image1:
+            raw_str1 = image1.convert('RGBA').tobytes("raw", 'RGBA')
+            pygame_surface1 = pygame.image.fromstring(raw_str1, (self.xres, self.yres), 'RGBA')
+            self.screen.blit(pygame_surface1, (0, 0))
+
+        if image2:
+            raw_str2 = image2.convert('RGB').tobytes("raw", 'RGB')
+            pygame_surface2 = pygame.image.fromstring(raw_str2, (self.xres, self.yres), 'RGB')
+            pygame_surface2.set_colorkey((255, 255, 255))
+
+            image_pixel_array = pygame.PixelArray(pygame_surface2)
+            image_pixel_array.replace((0, 0, 0), (127, 100, 0))
+            del image_pixel_array
+
+            self.screen.blit(pygame_surface2, (0, 0))
+
+        pygame.display.flip()
+
+    def end(self):
+        pygame.quit()
+
+class PygameKBDriver():
+    def __init__(self):
+        pass
+
+    def wait_for_keypress(self, timeout=60):
+        start_time = datetime.now()
+        while True:
+            current_time = datetime.now()
+            delta = current_time - start_time
+            if delta.seconds > timeout:
+                return None
+            events = pygame.event.get()
+            for event in events:
+                if event.type == pygame.QUIT:
+                    pygame.quit()
+                    sys.exit(0)
+                elif event.type == pygame.KEYDOWN:
+                    if event.key == pygame.K_1:
+                        return 1
+                    elif event.key == pygame.K_2:
+                        return 2
+                    elif event.key == pygame.K_3:
+                        return 3
+                    elif event.key == pygame.K_4:
+                        return 4
+            pygame.time.wait(1000)