Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
micropython/examples/pyb.py
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
54 lines (41 sloc)
1.47 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# 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 |