Saving for pico

.gitignore

@@ -3,3 +3,4 @@
 .vscode/
 main.py
 ftp.py
+env/

NOTES.md

@@ -0,0 +1 @@
+SPI Video https://www.youtube.com/watch?v=suCTwxlYgnM

demo_bouncing_boxes.py

@@ -79,8 +79,16 @@ def test():
     """Bouncing box."""
     try:
         # Baud rate of 40000000 seems about the max
-        spi = SPI(1, baudrate=40000000, sck=Pin(14), mosi=Pin(13))
-        display = Display(spi, dc=Pin(4), cs=Pin(16), rst=Pin(17))
+        spi = SPI(0,
+                baudrate=10000000, # pico 10Mhz
+                polarity=1, # what voltage level to set the clock signal to when in standby mode (not sending data)
+                phase=1, # Tells SPI wether it needs to sample data on first or second edge of the clock value.
+                bits=8, # Sets bits per data value
+                firstbit=SPI.MSB, # In which order should multiple byte data be sent. LCD panel expects Big Endian. So Most significant byte first
+                sck=Pin(18),
+                mosi=Pin(19),
+                miso=Pin(16)) # in this data you aren't sending any data back.
+        display = Display(spi, dc=Pin(15), cs=Pin(17), rst=Pin(14))
         display.clear()
 
         colors = [color565(255, 0, 0),
@@ -106,5 +114,8 @@ def test():
     except KeyboardInterrupt:
         display.cleanup()
 
+for i in range(0, 10, -1):
+    print(f"Starting in: {i}")
+    sleep_us(1000000)
 
 test()