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