def home(self):
"""
"""
# set cursor position to zero
self.command(LCD_RETURNHOME)
# this command takes a long time!
sys.wait(2)
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 thread_in(): while 1: sys.wait(300) state1 = len_digIO.getDigIn(len_contr.DEV_CTRL, 0, 0) counter1 = len_digIO.getCounterIn_er(len_contr.DEV_CTRL, 0, 0) state2 = len_digIO.getDigIn(len_contr.DEV_CTRL, 0, 1) counter2 = len_digIO.getCounterIn(len_contr.DEV_CTRL, 0, 1) num += 1 print "Times:",num," State1:",state1," Counter1:",counter1," State2:",state2," Counter2:",counter2
def print_temperature(sensor):
tm = Time(True)
high = False
while True:
temp = sensor.read()
tm.now()
print "[python]: Temperature: %f at %s" % (temp, tm.to_string())
if high:
avr.port_and(avr.portb, 0x7F)
high = False
else:
avr.port_or(avr.portb, 0x80)
high = True
sys.wait(1000)
def print_eeprom_and_sram():
while True:
sram_data = ram.read_list(len(ram_lst), True, addr)
ee_data = ee.read_list(len(data_ary), True, addr)
if len(ee_data) is 0:
continue
vlength = math.hypot(2.0, 2.0)
if len(sram_data) is not 0:
sram_data = math.sin(sram_data[2] / 2.0)
else:
sram_data = 0.0
print "[python]: EEPROM: %f and %f" % (ee_data[4], ee_data[5])
print "[python]: SRAM: %f :: Length of (2, 2): %f" % (sram_data,
vlength)
sys.wait(1000)
def pulseEnable(self) :
"""
"""
self.dg_write(self.enable_pin, gpio.LOW)
sys.wait(1)
self.dg_write(self.enable_pin, gpio.HIGH)
# enable pulse must be >450ns
sys.wait(1)
self.dg_write(self.enable_pin, gpio.LOW)
# commands need > 37us to settle
sys.wait(1)
# 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 290 # Add wait() to sys module # import sys # Really short waits sys.wait(-1) sys.wait(0) sys.wait(1) # Longer wait print "Waiting 3 secs..." sys.wait(3000) print "done."
import sys, len_sys, len_contr, len_error, len_mqtt
def MQTT_callback():
callback_val = len_sys.getCallbackValue()
print "MQTT callback ip:", callback_val[0], " port:", callback_val[
1], " topic:", callback_val[2], " message:", callback_val[3]
len_sys.ClearCallback()
print "\n\rStart"
#Ждем подключения
while (len_mqtt.getStatus() != len_mqtt.MQTT_CONNECTED):
print "MQTT wait"
sys.wait(1000)
print "MQTT connected"
#Подписаться на топик
len_mqtt.subTopic("lenp_sub")
#Добавить callback
len_sys.addCallback(MQTT_callback)
while 1:
len_mqtt.pubMessage("lenp_pub", "from controller")
sys.wait(1000)
def wait_BTN_release():
while 1==x.BTN(): # waiting for release USER BUTTON
sys.gc() # clean up
sys.wait(100)
import shutil
import os
import datetime
import sys
import time
x = 1
source = 'C:\\adi_tmp_dir\\mock_dir\\'
dest = 'C:\\Save_test\\'
while x:
timestamp = datetime.datetime.now()
for adi_dir, dirs, files in os.walk(source):
for file in files:
sys.wait(60 * 5)
source_path = source + file
file_creation_time = os.path.getmtime(source_path)
print(file_creation_time)
dest_path = dest + file + timestamp.strftime('-%Y%m%dT%H%M%S')
print(dest_path)
if not os.path.exists(dest_path):
try:
os.makedirs(os.path.dirname(dest_path))
except OSError as exc: # Guard against race condition
if exc.errno != errno.EEXIST:
raise
shutil.copyfile(source_path, dest_path)
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()
import sys, len_sys, len_digIO, len_contr, len_error
len_digIO.setModeOut(len_contr.DEV_CTRL, 0, 1, len_digIO.PWM_MODE)
while 1:
len_digIO.setPwmOut(len_contr.DEV_CTRL, 0, 1, 30)
sys.wait(500)
len_digIO.setPwmOut(len_contr.DEV_CTRL, 0, 1, 100)
sys.wait(500)
def thread_out(): while 1: len_digIO.setPwmOut(len_contr.DEV_CTRL,0,1,30) sys.wait(500) len_digIO.setPwmOut(len_contr.DEV_CTRL,0,1,100) sys.wait(500)