Merge pull request #18 from kattni/readme-update

Update usage example in README

Author: caternuson

README.rst

@@ -40,31 +40,35 @@ Usage Example
 
     # 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)
+    ecs = digitalio.DigitalInOut(board.D12)
+    dc = digitalio.DigitalInOut(board.D11)
+    srcs = digitalio.DigitalInOut(board.D10)    # can be None to use internal memory
+    rst = digitalio.DigitalInOut(board.D9)    # can be None to not use this pin
+    busy = digitalio.DigitalInOut(board.D5)   # can be None to not use this pin
 
     # give them all to our driver
-    display = Adafruit_IL0373(152, 152, rst, dc, busy, srcs, ecs, spi)
+    print("Creating 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 = 1
 
     # clear the buffer
-    display.clear_buffer()
+    print("Clear buffer")
+    display.fill(Adafruit_EPD.WHITE)
+    display.pixel(10, 100, Adafruit_EPD.BLACK)
 
-    r_width = 5
-    r_pos = display.height
+    print("Draw Rectangles")
+    display.fill_rect(5, 5, 10, 10, Adafruit_EPD.RED)
+    display.rect(0, 0, 20, 30, Adafruit_EPD.BLACK)
 
-    #draw some rectangles!
-    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 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()