def wait_a_bit():
global i;
i= (i+1) & 0xfff
if(15==i & 15):
sys.gc() # clean up
else:
sys.wait(4) # wait a bit
def clear(self):
# clear display, set cursor position to zero
self.command(LCD_CLEARDISPLAY)
# this command takes a long time!
sys.wait(2)
# clean up
sys.gc()
def i():
print ch.next()
gc()
# Create some random rectangles
rectangles = []
for _ in xrange(10):
list.append(rectangles, [rand() % screen_width, rand() % screen_height,
rand() % 40 + 20, rand() % 40 + 20,
(rand() % 0x40) * 0x10002 + 0x883388,
rand() % 7 - 3, rand() % 7 - 3])
# Clear screen
maSetColor(background_color)
maFillRect(0, 0, screen_width, screen_height)
keep_going = True
while keep_going:
sys.gc()
# Wait for an event, or 20 ms
maWait(1)
# Handle all events from the event queue
for event in maGetEvents():
print event.__str__()
if (event.type == EVENT_TYPE_CLOSE or
event.type == EVENT_TYPE_KEY_PRESSED and event.key == MAK_FIRE):
keep_going = False
# Erase rectangles
maSetColor(background_color)
for rectangle in rectangles:
x, y, w, h, c, xv, yv = rectangle
maFillRect(x-w, y-h, w, h)
def wait_BTN_release():
while 1==x.BTN(): # waiting for release USER BUTTON
sys.gc() # clean up
sys.wait(100)
else:
LED_all((a&0xff))
else:
if(a & 0x100):
x.LED( (a>>9) & 3, (0x100-(a&0xff)))
else:
x.LED( (a>>9) & 3, (a&0xff))
def LED_axel_indicate(ax):
LED_all()
if(ax[1]>0): x.LED(0,ax[1]<<1 )
if(ax[0]>0): x.LED(1,ax[0]<<1 )
if(ax[1]<0): x.LED(2,(1-ax[1])<<1 )
if(ax[0]<0): x.LED(3,(1-ax[0])<<1 )
sys.gc()
def gpio_demo() :
"""import gpio
print "gpio imported"
gpio.pin_mode(PE7, gpio.OUTPUT)
print "looping"
while True:
gpio.digital_write(PE7, gpio.HIGH)
gpio.digital_write(PE7, gpio.LOW)"""
from gpio import pin_mode, digital_write, OUTPUT, INPUT, HIGH, LOW
print "gpio imported"
pin_mode("E", 7, OUTPUT)
print "looping"
while True:
def begin(self, cols, lines, dotsize=0):
"""
"""
if lines > 1 :
self._displayfunction |= LCD_2LINE
self._numlines = lines
self._currline = 0
if dotsize != 0 and lines == 1 :
self._displayfunction |= LCD_5x10DOTS
# SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
# according to datasheet, we need at least 40ms after power rises above 2.7V
# before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50
# delayMicroseconds(50000);
sys.wait(50)
# Now we pull both RS and R/W low to begin commands
self.dg_write(self.rs_pin, gpio.LOW)
self.dg_write(self.enable_pin, gpio.LOW)
if self.rw_pin != 255 :
self.dg_write(self.rw_pin, gpio.LOW)
# //put the LCD into 4 bit or 8 bit mode
if not (self._displayfunction & LCD_8BITMODE) :
# this is according to the hitachi HD44780 datasheet
# figure 24, pg 46
# we start in 8bit mode, try to set 4 bit mode
self.write4bits(0x03)
# wait min 4.1ms
sys.wait(4)
# second try
self.write4bits(0x03)
# wait min 4.1ms
sys.wait(4)
# third go!
self.write4bits(0x03)
sys.wait(2)
# finally, set to 4-bit interface
self.write4bits(0x02)
else :
# this is according to the hitachi HD44780 datasheet
# page 45 figure 23
# Send function set command sequence
self.command(LCD_FUNCTIONSET | self._displayfunction)
# wait more than 4.1ms
sys.wait(5)
# second try
self.command(LCD_FUNCTIONSET | self._displayfunction)
sys.wait(1)
# third go
self.command(LCD_FUNCTIONSET | self._displayfunction)
# finally, set # lines, font size, etc.
self.command(LCD_FUNCTIONSET | self._displayfunction)
# turn the display on with no cursor or blinking default
self._displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF
self.display()
# clear it off
self.clear()
# Initialize to default text direction (for romance languages)
self._displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT
# set the entry mode
self.command(LCD_ENTRYMODESET | self._displaymode)
# clean up
sys.gc()
def i():
print ch.next()
gc()
# This file is Copyright 2010 Dean Hall. # # This file is part of the Python-on-a-Chip program. # Python-on-a-Chip is free software: you can redistribute it and/or modify # it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE Version 2.1. # # Python-on-a-Chip is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # A copy of the GNU LESSER GENERAL PUBLIC LICENSE Version 2.1 # is seen in the file COPYING up one directory from this. # # System Test 347 # import string from sys import gc from t347b import * print _bar() print bar() gc() print 'did gc' print _bar() print bar()
# This file is Copyright 2010 Dean Hall. # # This file is part of the Python-on-a-Chip program. # Python-on-a-Chip is free software: you can redistribute it and/or modify # it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE Version 2.1. # # Python-on-a-Chip is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # A copy of the GNU LESSER GENERAL PUBLIC LICENSE Version 2.1 # is seen in the file COPYING up one directory from this. # # System Test 347 # import string from sys import gc from t347b import * print bar1() print bar2() gc() print 'did gc' print bar1() print bar2()
