add line for 2.7" and also more complete framebuf test

Author: ladyada

examples/epd_simpletest.py

@@ -3,34 +3,38 @@
 import board
 from adafruit_epd.epd import Adafruit_EPD
 from adafruit_epd.il0373 import Adafruit_IL0373
+from adafruit_epd.il91874 import Adafruit_IL91874
 
 # create the spi device and pins we will need
 spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
 ecs = digitalio.DigitalInOut(board.D10)
 dc = digitalio.DigitalInOut(board.D9)
-srcs = digitalio.DigitalInOut(board.D8)
-rst = digitalio.DigitalInOut(board.D7)
-busy = digitalio.DigitalInOut(board.D6)
+srcs = digitalio.DigitalInOut(board.D7)    # can be None to use internal memory
+rst = digitalio.DigitalInOut(board.D11)    # can be None to not use this pin
+busy = digitalio.DigitalInOut(board.D12)   # can be None to not use this pin
 
 # give them all to our driver
-display = Adafruit_IL0373(152, 152, spi,
+print("Creating display")
+display = Adafruit_IL91874(176, 264, spi,         # 2.7" Tri-color display
+#display = Adafruit_IL0373(104, 212, spi,         # 2.13" Tri-color display
                           cs_pin=ecs, dc_pin=dc, sramcs_pin=srcs,
                           rst_pin=rst, busy_pin=busy)
 
+display.rotation = 2
+
 # clear the buffer
+print("Clear buffer")
 display.fill(Adafruit_EPD.WHITE)
 
-r_width = 5
-r_pos = display.height
-
-color = Adafruit_EPD.BLACK
-while r_pos > display.height/2:
-    if r_pos < display.height - 50:
-        color = Adafruit_EPD.RED
-    display.rect(display.width - r_pos,
-                 display.height - r_pos,
-                 display.width - 2*(display.width - r_pos),
-                 display.height - 2*(display.height - r_pos),
-                 color)
-    r_pos = r_pos - r_width
+print("Draw Rectangles")
+display.fill_rect(5, 5, 10, 10, Adafruit_EPD.RED)
+display.rect(0, 0, 20, 30, Adafruit_EPD.BLACK)
+
+print("Draw lines")
+display.line(0, 0, display.width-1, display.height-1, Adafruit_EPD.BLACK)
+display.line(0, display.height-1, display.width-1, 0, Adafruit_EPD.RED)
+
+print("Draw text")
+display.text('hello world', 25, 10, Adafruit_EPD.BLACK)
+
 display.display()