add Snake Example

examples/Snake/main.py

@@ -0,0 +1,112 @@
+from PikaObj import *
+import PikaStdLib
+import PikaPiZero
+import STM32
+pin = STM32.GPIO()
+pin.init()
+pin.setPin('PA0')
+pin.setMode('in')
+pin.setPull('down')
+pin.enable()
+pin.setPin('PA15')
+pin.setMode('in')
+pin.setPull('up')
+pin.enable()
+pin.setPin('PC13')
+pin.enable()
+pin.setPin('PB6')
+pin.enable()
+remove('pin')
+ll = STM32.lowLevel()
+oled = PikaPiZero.OLED()
+oled.init()
+snake = PikaPiZero.Point()
+snake.x = 7
+snake.y = 4
+snake_lengh = 0
+while snake_lengh < 3:
+    body = snake
+    i = 0
+    while i < snake_lengh:
+        body = body.next
+        i = i + 1
+    body.next = PikaPiZero.Point()
+    body.next.x = body.x - 1
+    body.next.y = body.y
+    body.next.prev = body
+    snake_lengh = snake_lengh + 1
+fruit = PikaPiZero.Point()
+fruit.x = 13
+fruit.y = 2
+mem = PikaStdLib.MemChecker()
+print('mem used max:')
+mem.max()
+direction = 0
+isUpdate = 1
+while True:
+    if isUpdate:
+        isUpdate = 0
+        if fruit.x == snake.x:
+            if fruit.y == snake.y:
+                body = snake
+                i = 0
+                while i < snake_lengh:
+                    body = body.next
+                    i = i + 1
+                body.next = PikaPiZero.Point()
+                body.next.prev = body
+                snake_lengh = snake_lengh + 1
+                fruit.x = fruit.x + 3
+                if fruit.x > 15:
+                    fruit.x = fruit.x - 15
+                fruit.y = fruit.y + 3
+                if fruit.y > 7:
+                    fruit.y = fruit.y - 7
+        body = snake
+        i = 0
+        while i < snake_lengh:
+            body = body.next
+            i = i + 1
+        i = 0
+        while i < snake_lengh:
+            body = body.prev
+            body.next.x = body.x
+            body.next.y = body.y
+            i = i + 1
+        if direction == 0:
+            snake.x = snake.x + 1
+            if snake.x > 15:
+                snake.x = 0
+        if direction == 1:
+            snake.x = snake.x - 1
+            if snake.x < 0:
+                snake.x = 15
+        if direction == 2:
+            snake.y = snake.y - 1
+            if snake.y < 0:
+                snake.y = 7
+        if direction == 3:
+            snake.y = snake.y + 1
+            if snake.y > 7:
+                snake.y = 0
+        body = snake
+        i = 0
+        oled.clear()
+        oled.drawPoint(fruit.x, fruit.y)
+        while i < snake_lengh:
+            oled.drawPoint(body.x, body.y)
+            body = body.next
+            i = i + 1
+        oled.refresh()
+    if ll.readPin('PA0') == 1:
+        direction = 0
+        isUpdate = 1
+    if ll.readPin('PC13') == 0:
+        direction = 1
+        isUpdate = 1
+    if ll.readPin('PA15') == 0:
+        direction = 2
+        isUpdate = 1
+    if ll.readPin('PB6') == 0:
+        direction = 3
+        isUpdate = 1

examples/Snake/requestment.txt

@@ -0,0 +1,6 @@
+pikascript-core==latest
+PikaStdLib==v1.1.0
+PikaStdDevice==latest
+STM32==latest
+PikaPiZero==latest
+STM32G030Booter==latest