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-rw-r--r--examples/pyb.py49
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diff --git a/examples/pyb.py b/examples/pyb.py
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-# pyboard testing functions for CPython
-import time
-
-def delay(n):
- #time.sleep(float(n) / 1000)
- pass
-
-rand_seed = 1
-def rng():
- global rand_seed
- # for these choice of numbers, see P L'Ecuyer, "Tables of linear congruential generators of different sizes and good lattice structure"
- rand_seed = (rand_seed * 653276) % 8388593
- return rand_seed
-
-# LCD testing object for PC
-# uses double buffering
-class LCD:
- def __init__(self, port):
- self.width = 128
- self.height = 32
- self.buf1 = [[0 for x in range(self.width)] for y in range(self.height)]
- self.buf2 = [[0 for x in range(self.width)] for y in range(self.height)]
-
- def light(self, value):
- pass
-
- def fill(self, value):
- for y in range(self.height):
- for x in range(self.width):
- self.buf1[y][x] = self.buf2[y][x] = value
-
- def show(self):
- print('') # blank line to separate frames
- for y in range(self.height):
- for x in range(self.width):
- self.buf1[y][x] = self.buf2[y][x]
- for y in range(self.height):
- row = ''.join(['*' if self.buf1[y][x] else ' ' for x in range(self.width)])
- print(row)
-
- def get(self, x, y):
- if 0 <= x < self.width and 0 <= y < self.height:
- return self.buf1[y][x]
- else:
- return 0
-
- def pixel(self, x, y, value):
- if 0 <= x < self.width and 0 <= y < self.height:
- self.buf2[y][x] = value