def __init__(self, gp_pin, frequency, full_range100, pulse_min, pulse_max):
"""
:param gp_pin: GPIO pin
:param frequency: in Hz
:param full_range100: in deg * 100
:param pulse_min: in µs
:param pulse_max: in µs
:return:
"""
if not gp_pin in VALID_GP_PINS:
print('invalid GP pin:', gp_pin)
# Get WiPy PWM configuration constants
pin_alt = PIN_PWM_ALT[gp_pin]
timer_nr = PIN_PWM_TIMER[gp_pin]
timer_channel = PIN_PWM_CHANNEL[gp_pin]
# Configure PWM timer to pin flow
Pin('GP' + str(gp_pin), mode=Pin.ALT, alt=pin_alt)
timer = Timer(timer_nr, mode=Timer.PWM)
self.channel = timer.channel(timer_channel, freq=frequency)
# Store object properties
self.PWM_frame = 1000000 // frequency # in µs
self.full_range100 = full_range100
self.pulse_min = pulse_min
self.pulse_diff = pulse_max - pulse_min
def main():
# set internal clock
rtc = settime(timezone_offset=TIMEZONE_OFFSET)
year, month, day, hour, minute, second, *_ = rtc.now()
trigger = Pin('GP5', mode=Pin.OUT)
trigger.value(0)
# initial trigger timer
timer = Timer(3, mode=Timer.PERIODIC, width=32)
timer_channel = timer.channel(Timer.A | Timer.B, period=30000000)
timer_channel.irq(handler=lambda t: trigger.toggle(), trigger=Timer.TIMEOUT)
try:
while True:
leds = clock2matrix(hour=hour, minute=minute).columns
# led matrix multiplexing
current_trigger = trigger.value()
while trigger.value() == current_trigger:
for col in leds:
latch.value(0)
# write current time
spi.write(col)
# update LEDs
latch.value(1)
sleep_ms(1)
latch.value(0)
spi.write(OFF)
latch.value(1)
sleep_us(50)
latch.value(0)
spi.write(OFF)
latch.value(1)
year, month, day, hour, minute, second, *_ = rtc.now()
# update rtc at 04:00
if hour == 4 and minute == 0:
rtc = settime(timezone_offset=TIMEZONE_OFFSET)
except Exception as e:
matrix_off()
while True:
print(e)
sleep_ms(2000)
def setupTimer(self):
'''
Need to look at the following:
But how to average? (Do we need two buffers)
http://docs.micropython.org/en/latest/pyboard/library/pyb.ADC.html
'''
#How to stop timer?
self.tim = Timer(0, mode = Timer.PERIODIC, width = 32)#what is this width? Timer resolution?
self.timChannel = self.tim.channel(Timer.A, freq = self.freq)
#What is the function of the trigger, do we need to implement external vs internal?
self.timChannel.irq(handler=self._addData_, trigger = Timer.TIMEOUT)
def go():
ap = network.WLAN(network.AP_IF)
ap.active(True)
ap.config(essid='upython')
ap.config(authmode=0)
led = Object()
# led.np = neopixel.NeoPixel(machine.Pin(14), 1)
# led.np[0] = (0, 0, 0)
# led.np.write()
led.mode = ''
led.pwm = machine.PWM(machine.Pin(14), freq = 100, duty = 1023)
led.count = 0
servo = Object()
servo.motor = machine.PWM(machine.Pin(12), freq = 50)
servo.mode = ''
servo.lastPos = 40
servo.motor.duty(servo.lastPos)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('', 80))
servoTimer = Timer(0)
servoTimer.init(period = 1000, mode = Timer.PERIODIC, callback = lambda xx: doServo(servo))
ledTimer = Timer(1)
ledTimer.init(period = 50, mode = Timer.PERIODIC, callback = lambda xx: doLedMode(led))
s.listen(0) # just queue up some requests
while True:
time.sleep(.5)
conn, addr = s.accept()
request = conn.recv(1024)
conn.sendall('HTTP/1.1 200 OK\nConnection: close\nServer: Tentacle\nContent-Type: text/html\n\n')
request = str(request)
print(request)
if 'servo=' in request:
servo.mode = 'manual'
servo.motor.duty(int(valueOf(request, 'servo')))
elif 'rgb=' in request:
handleRGB(valueOf(request, 'rgb'), led)
elif 'pwm=' in request:
handlePWM(int(valueOf(request, 'pwm')), led)
elif 'action=' in request:
todo = valueOf(request, 'action')
if 'fight' == todo:
servo.mode= 'fight'
led.mode = 'fight'
elif 'reset' == todo: machine.reset()
elif 'stop' == todo: servo.mode = 'stop'
elif 'ledoff' == todo:
led.mode = ''
handleRGB('0,0,0', led)
handlePWM(1023, led)
elif 'heartbeat' == todo: led.mode = 'heartbeat'
else:
with open('pg.htm', 'r') as html:
conn.sendall(html.read())
conn.sendall('\n')
conn.close()
class Fader(object):
def __init__(self, np, NEOPIXEL_COUNT):
super(Fader, self).__init__()
self.step = 0
self.np = np
self.NEOPIXEL_COUNT = NEOPIXEL_COUNT
self.tim = Timer(-1)
def start(self):
self.tim.init(period=40, mode=Timer.PERIODIC, callback=self.tick)
def stop(self):
self.tim.deinit()
def rainbow_cycle(self):
for i in range(0, self.NEOPIXEL_COUNT):
self.np[i] = brightness(wheel(int(i * 256 / self.NEOPIXEL_COUNT + self.step) & 255))
self.np.write()
def tick(self, t):
self.rainbow_cycle()
self.step += 1
if self.step > 256 * 5:
self.step = 0
#
# SPDX-License-Identifier: MIT License
#
# Change Logs:
# Date Author Notes
# 2019-06-29 ChenYong first version
#
from machine import Timer
import utime as time
def callback_periodic(obj): # defined preiodic mode timeout callback
print("Timer callback periodic test")
def callback_oneshot(obj): # defined ont shot mode timeout callback
print("Timer callback oneshot test")
timer = Timer(1) # Create Timer object. Timer device number 15 are used.
timer.init(timer.PERIODIC, 1000,
callback_periodic) # Initialize the Timer device object
# Set Timer mode to preiodic mode, set timeout to 1 seconds and set callback fucntion
time.sleep_ms(5500) # Execute 5 times timeout callback in the delay time
timer.init(timer.ONE_SHOT, 1000,
callback_oneshot) # Reset initialize the Timer device object
# Set Timer mode to one shot mode, set timeout to 1 seconds and set callback fucntion
time.sleep_ms(1500) # Execute 1 times timeout callback in the delay time
timer.deinit() # Stop and close Timer device object
import ujson as json
try:
with open("/config.json", "w") as f:
f.write(json.dumps(CONFIG))
except OSError:
print("Couldn't save /config.json")
try:
c_mqtt = MQTTClient(CONFIG['client_id'], CONFIG['broker'], CONFIG['port'], timeout=1, sbt=CONFIG['topic'],
debug=False)
except (OSError, ValueError):
print("Couldn't connect to MQTT")
timer_http = Timer(-1)
_debug = True
_routeHandlers = []
#System
_routeHandlers.append(SystemHandler(debug=_debug).route_handler)
#Led
LED_2_pin = 2
LED_2 = RELAY(name="Led2", pin_num=LED_2_pin, on_value=0, off_value=1, state_on=1, state_off=0, default=1)
_routeHandlers.append(LedHandler(debug=_debug, relay=LED_2).route_handler)
def main():
if _debug:
from machine import Timer, PWM
import time
from board import board_info
from fpioa_manager import *
board_info = board_info()
tim = Timer(Timer.TIMER0, Timer.CHANNEL0, mode=Timer.MODE_PWM)
ch = PWM(tim, freq=500000, duty=50, pin=board_info.LED_G)
duty = 0
dir = True
while True:
if dir:
duty += 10
else:
duty -= 10
if duty > 100:
duty = 100
dir = False
elif duty < 0:
duty = 0
dir = True
time.sleep(0.05)
ch.duty(duty)
pycom.rgbled(0x7f7f00) # yellow
print("Reading file {}".format(filename))
#In case of 0-byte file, create an empty Payload
try:
with open(filename, "rb") as data:
f = data.read()
payload = bytearray(f)
except OSError as e:
print('Error number {}, {}'.format(e.args[0],e))
payload = ''
pycom.rgbled(0x007f00) # green
# Init Chrono
chrono = Timer.Chrono()
laps = []
fragmentation_time = 0
start_sending_time = 0
end_sending_time = 0
# stats variables (for testing)
current_fragment = {}
fragments_info_array = []
tx_status_ok = False
# Initialize variables.
total_size = len(payload)
current_size = 0
percent = 0
ack = None
def blink(self): pin = machine.Pin(PIN_D5, machine.Pin.OUT, machine.Pin.PULL_UP) tim = Timer(-1) pin.low() tim.init(period=5000, mode=Timer.ONE_SHOT, callback=lambda t:pin.high())
'''
from machine import Timer
import os
import time
mch = os.uname().machine
if 'LaunchPad' in mch:
pwm_pin = ('GP24')
elif 'WiPy' in mch:
pwm_pin = ('GP24')
else:
raise Exception('Board not supported!')
for i in range(4):
tim = Timer(i, mode=Timer.PERIODIC)
print(tim)
ch = tim.channel(Timer.A, freq=5)
print(ch)
ch = tim.channel(Timer.B, freq=5)
print(ch)
tim = Timer(i, mode=Timer.ONE_SHOT)
print(tim)
ch = tim.channel(Timer.A, freq=50)
print(ch)
ch = tim.channel(Timer.B, freq=50)
print(ch)
tim = Timer(i, mode=Timer.PWM)
print(tim)
ch = tim.channel(Timer.A, freq=50000, duty_cycle=2000, polarity=Timer.POSITIVE)
print(ch)
from time import sleep_us, sleep_ms
from machine import Timer
from pyb import Pin
D0 = Pin(0, Pin.IN)
LED_BUILDIN = 16
led = Pin(LED_BUILDIN, Pin.OUT)
def get_value():
print("flash_key : %d" % D0.value())
if(D0.value()):
led.high()
else:
led.low()
tim = Timer(0)
tim.init(period=100, mode=Timer.PERIODIC, callback=lambda t:get_value())
#
dailyResult.close()
return json
def refresh():
nowRsp = nowWeather(API_KEY) #通过API密钥获取天气实况
dailyRsp = dailyWeather(API_KEY) #通过API密钥获取多日天气预报
today = dailyRsp['results'][0]['daily'][0]['date'][-5:] #当前日期，显示“月-日”
todayHigh = dailyRsp['results'][0]['daily'][0]['high'] #最高温度
todaylow = dailyRsp['results'][0]['daily'][0]['low'] #最低温度
nowText = nowRsp['results'][0]['now']['text'] #天气现象文字
nowTemper = nowRsp['results'][0]['now']['temperature'] #温度
todayIco = nowRsp['results'][0]['now']['code'] #天气现象图标
city = nowRsp['results'][0]['location']['name'] #地理位置
oled.fill(0)
oled.Bitmap(10, 23, ico[todayIco], 38, 38, 1) #显示当前天气现象图标
oled.DispChar("%s,天气实况" % city, 0, 0)
oled.DispChar(today, 90, 0)
oled.DispChar("%s℃/%s" % (nowTemper, nowText), 70, 25) #显示当前温度
oled.DispChar("%s~%s℃" % (todaylow, todayHigh), 70, 45) #显示今日最低、最高气温
oled.show()
refresh() #数据更新
tim1 = Timer(1)
tim1.init(period=1800000, mode=Timer.PERIODIC,
callback=lambda _: refresh()) #定时，每半个钟刷新一次
def cancel_de(pin):
tim.init(period=300, mode=Timer.ONE_SHOT, callback=call)
#Switch 2 interrupt
def call2(pin):
global interrupt2
interrupt2 = 1
def cancel_de2(pin):
tim2.init(period=300, mode=Timer.ONE_SHOT, callback=call2)
tim = Timer(1)
tim2 = Timer(2)
switch1.irq(trigger=Pin.IRQ_FALLING, handler=cancel_de)
switch2.irq(trigger=Pin.IRQ_FALLING, handler=cancel_de2)
i2c = I2C(scl=Pin(22), sda=Pin(23), freq=400000)
acc_id = list(i2c.scan())[1]
temp_id = list(i2c.scan())[0]
def initialize():
addr_list = list(i2c.scan())
acc_addr = i2c.readfrom_mem(addr_list[1], 0, 1)
temp_addr = i2c.readfrom_mem(addr_list[0], 0x0b, 1)
if acc_addr != b'\xe5':
raise error('Wrong accelerometer device')
print('\n')
def http_get(url):
import usocket
_, _, host, path = url.split('/', 3)
addr = usocket.getaddrinfo(host, 80)[0][-1]
s = usocket.socket()
s.connect(addr)
s.send(bytes('GET /%s HTTP/1.0\r\nHost: %s\r\n\r\n' % (path, host),
'utf8'))
response = urequests.get('http://jsonplaceholder.typicode.com/albums/1')
parsed = response.json()
s.close()
def hardDispTime(timer):
t = esp32.raw_temperature()
h = esp32.hall_sensor()
print("temperature (°F): " + str(t))
print("hall sensor: " + str(h))
base_url = 'https://api.thingspeak.com/update'
API_key = '?api_key=R1N8YAFNXLY6MMWM'
fieldanddata = "&field1=" + str(t) + "&field2=" + str(h)
url = base_url + API_key + fieldanddata
http_get(url)
hardTimer = Timer(0)
hardTimer.init(period=10000, mode=Timer.PERIODIC, callback=hardDispTime)
datetime = rtc.datetime() # 获取当前时间
oled.fill(0) # 清屏显示黑色背景
oled.text('01Studio', 0, 0) # 首行显示01Studio
oled.text('RTC Clock', 0, 15) # 次行显示实验名称
# 显示日期，字符串可以直接用“+”来连接
oled.text(
str(datetime[0]) + '-' + str(datetime[1]) + '-' + str(datetime[2]) +
' ' + week[datetime[3]], 0, 40)
# 显示时间需要判断时、分、秒的值否小于10，如果小于10，则在显示前面补“0”以达
# 到较佳的显示效果
for i in range(4, 7):
if datetime[i] < 10:
time_list[i - 4] = "0"
else:
time_list[i - 4] = ""
# 显示时间
oled.text(
time_list[0] + str(datetime[4]) + ':' + time_list[1] +
str(datetime[5]) + ':' + time_list[2] + str(datetime[6]), 0, 55)
oled.show()
#开启RTOS定时器
tim = Timer(-1)
tim.init(period=300, mode=Timer.PERIODIC, callback=RTC_Run) #周期300ms
#app_eui = ubinascii.unhexlify('70B3D57ED0028A4F')
#app_key = ubinascii.unhexlify('88397B010F71D34BEDF77DA003C3A54C')
# create an OTAA authentication parameters for no ring lopy
#dev address = 260125A9
#dev_eui = ubinascii.unhexlify('70B3D54990435DFE') # these settings can be found from TTN
#app_eui = ubinascii.unhexlify('70B3D57ED0028A4F')
#app_key = ubinascii.unhexlify('CE46C01958A612D102F0D106AB415862')
# join a network using OTAA (Over the Air Activation)
if not lora.has_joined():
lora.join(activation=LoRa.OTAA, auth=(app_eui, app_key), timeout=0)
pycom.rgbled(green)
time.sleep(2.5)
handshk_time = Timer.Chrono()
handshk_time.start()
# wait until the module has joined the network
while not lora.has_joined():
pycom.rgbled(off)
time.sleep(0.1)
pycom.rgbled(red)
time.sleep(2.4)
print('Not yet joined...')
lora.nvram_save()
handshk_time.stop()
print("Total handshake time: {0}".format(handshk_time.read()))
print('Joined!')
pycom.rgbled(blue)
print(binascii.hexlify(lora.mac()).upper().decode('utf-8'))
def __init__(self, np, NEOPIXEL_COUNT):
super(Fader, self).__init__()
self.step = 0
self.np = np
self.NEOPIXEL_COUNT = NEOPIXEL_COUNT
self.tim = Timer(-1)
#引入相关模块
from machine import Pin, I2C, Timer
from ssd1306 import SSD1306_I2C
import dht, time
#初始化相关模块
i2c = I2C(sda=Pin(13), scl=Pin(14))
oled = SSD1306_I2C(128, 64, i2c, addr=0x3c)
#创建DTH11对象
d = dht.DHT11(Pin(5)) #传感器连接到引脚14
time.sleep(1) #首次启动停顿1秒让传感器稳定
def dht_get(tim):
d.measure() #温湿度采集
#OLED显示温湿度
oled.fill(0) #清屏背景黑色
oled.text('01Studio', 0, 0)
oled.text('DHT11 test:', 0, 15)
oled.text(str(d.temperature()) + ' C', 0, 40) #温度显示
oled.text(str(d.humidity()) + ' %', 48, 40) #湿度显示
oled.show()
#开启RTOS定时器，编号为-1
tim = Timer(-1)
tim.init(period=2000, mode=Timer.PERIODIC, callback=dht_get) #周期为2000ms
# ######################### #
# Blink build-in Huzzah led #
# ######################### #
from machine import Timer, Pin
p0 = Pin(0, Pin.OUT)
tim = Timer(-1)
tim.init(period=500,
mode=Timer.PERIODIC, callback=lambda t: p0.value(not p0.value()))
class CStat:
def __init__(self):
self.url = 'https://covid-19-coronavirus-statistics.p.rapidapi.com/v1/stats?country=Ukraine'
self.x_rapidapi_key = '' # modify this line
self.ssid = '' # modify this line
self.password = '' # modify this line
self.confirmed = 0
self.recovered = 0
self.deaths = 0
self.updated = ''
self.display = self.tim = None
i2c = I2C(-1, Pin(5), Pin(4))
self.display = ssd1306.SSD1306_I2C(128, 32, i2c)
self.display.fill(0)
self.display.text('Connecting...', 1, 1, 1)
self.display.show()
self.tim = Timer(-1)
self.do_connect()
def do_connect(self):
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
if not wlan.isconnected():
print('connecting to network...')
wlan.connect(self.ssid, self.password)
while not wlan.isconnected():
pass
print('network config:', wlan.ifconfig())
def parse_country_data(self, json):
self.confirmed = json['data']['covid19Stats'][0]['confirmed']
self.recovered = json['data']['covid19Stats'][0]['recovered']
self.deaths = json['data']['covid19Stats'][0]['deaths']
self.updated = json['data']['covid19Stats'][0]['lastUpdate']
def grab_api_data(self):
headers = {
'content-type': 'application/json',
'x-rapidapi-host': 'covid-19-coronavirus-statistics.p.rapidapi.com',
'x-rapidapi-key': self.x_rapidapi_key
}
resp = urequests.get(self.url, headers=headers)
if resp.status_code is 200:
self.parse_country_data(resp.json())
else:
print('Sorry, cannot connect')
print(resp.status_code)
print(resp.text)
def display_results(self):
self.display.fill(0)
self.display.text(self.updated, 1, 1, 1)
self.display.text('A' + str(self.confirmed), 1, 10, 1)
self.display.text('R' + str(self.recovered), 50, 10, 1)
self.display.text('D' + str(self.deaths), 90, 10, 1)
self.display.show()
def grab_data(self):
try:
print('update function called')
self.grab_api_data()
self.display_results()
gc.collect()
except Exception as e:
print(e)
def start(self):
self.grab_data()
self.tim.init(period=60000, mode=Timer.PERIODIC, callback=lambda f: self.grab_data())
import utime
from machine import Timer
t1 = Timer(0, 10)
t2 = Timer(1, 3)
t1.callback(lambda t: print(t, "tick1"))
t2.callback(lambda t: print(t, "tick2"))
utime.sleep(3)
print("done")
'''
实验名称：定时器
版本：v1.0
日期：2019.7
作者：01Studio
说明：通过定时器让LED周期性每秒闪烁1次
'''
from machine import Pin, Timer
led = Pin(2, Pin.OUT)
Counter = 0
Fun_Num = 0
def fun(tim):
global Counter
Counter = Counter + 1
print(Counter)
led.value(Counter % 2)
#开启RTOS定时器，编号为-1
tim = Timer(-1)
tim.init(period=1000, mode=Timer.PERIODIC, callback=fun) #周期为1000ms
# connect to WiFi
wifi = WLAN(mode=WLAN.STA)
wifi.connect(WIFI_SSID, auth=WIFI_AUTH, timeout=5000)
while not wifi.isconnected():
pass
print('IP address:', wifi.ifconfig()[0])
# assign GP9, GP10, GP11, GP24 to alternate function (PWM)
p9 = Pin('GP9', mode=Pin.ALT, alt=3)
p10 = Pin('GP10', mode=Pin.ALT, alt=3)
p11 = Pin('GP11', mode=Pin.ALT, alt=3)
p24 = Pin('GP24', mode=Pin.ALT, alt=5)
# timer in PWM mode and width must be 16 buts
timer10 = Timer(4, mode=Timer.PWM, width=16)
timer9 = Timer(3, mode=Timer.PWM, width=16)
timer1 = Timer(1, mode=Timer.PWM, width=16)
# enable channels @1KHz with a 50% duty cycle
pwm9 = timer9.channel(Timer.B, freq=700, duty_cycle=100)
pwm10 = timer10.channel(Timer.A, freq=700, duty_cycle=100)
pwm11 = timer10.channel(Timer.B, freq=700, duty_cycle=100)
pwm24 = timer1.channel(Timer.A, freq=700, duty_cycle=100)
def v3_write_handler(value):
pwm9.duty_cycle(int(value))
def v4_write_handler(value):
pwm10.duty_cycle(int(value))
class Encoder(object):
'''
编码器对象
'''
def __init__(self,
gpio_a,
gpio_b,
timer_id,
name='RightEncoder',
motor_install_dir=True,
is_debug=False):
# 设置编码器的名称
self.name = name
# 根据电机安装方向，设置AB相Pin
if motor_install_dir:
self.pin_a = Pin(gpio_a)
self.pin_b = Pin(gpio_b)
else:
self.pin_a = Pin(gpio_b)
self.pin_b = Pin(gpio_a)
# 最近一次A相的电平
self.last_a = 0
# 最近一次B相的电平
self.last_b = 0
# 新的A相电平
self.new_a = 0
# 新的B相电平
self.new_b = 0
# 定时器计数
self.count = 0
# 定时器
self.timer = Timer(timer_id)
# 定时器 每1ms执行一次
self.timer.init(period=1, mode=Timer.PERIODIC, callback=self.callback)
# 是否开启Debug模式
self.is_debug = is_debug
def callback(self, timer):
'''
回调函数
'''
# 更新A相电平
self.new_a = self.pin_a.value()
# 更新B相电平
self.new_b = self.pin_b.value()
if not self.last_a and self.new_a:
# 检测到编码器A相上升沿 RISING
if self.new_b:
self.count += 1
else:
self.count -= 1
elif self.last_a and not self.new_a:
# 检测到编码器A相下降沿 FALLING
if self.new_b:
self.count -= 1
else:
self.count += 1
elif not self.last_b and self.new_b:
# 检测到编码器B相上升沿 RASING
if self.new_a:
self.count -= 1
else:
self.count += 1
elif self.last_b and not self.new_b:
# 检测到编码器B相下降沿 FALLING
if self.new_a:
self.count += 1
else:
self.count -= 1
# 更新电平历史
self.last_a = self.new_a
self.last_b = self.new_b
if self.is_debug:
# 打印计数器信息
print('{} Counter: {}'.format(self.name, self.count))
tof.set_Vcsel_pulse_period(tof.vcsel_period_type[0], 18)
tof.set_Vcsel_pulse_period(tof.vcsel_period_type[1], 14)
tof.start()
# Blinker
led = Pin(2, Pin.OUT)
# Main button.
btn = Pin(BTN, Pin.IN, Pin.PULL_DOWN)
###############
# Calibration
###############
de_bnc_tmr = Timer(DE_BNC_TMR)
de_bnc_flag = False
def dnc_timer_expr(timer):
global de_bnc_flag
de_bnc_flag = False
def on_btn(pin):
global tof
global de_bnc_flag
global cali_file
global btn_state
global btn
global led
if not de_bnc_flag:
# Turn on debounce timer.
''' # file pub_sub_with_timer.py # brief Set 'SERVER','CLIENT_ID'(this can be null),'IOT_pubTopic','IOT_UserName','IOT_PassWord' # download into mpython and run the file # You will send the message by seconds and receive the message from server # Copyright Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com) # licence The MIT License (MIT) # author [LuoYufeng]([email protected]) # version V1.0 # date 2019-10-8 ''' from siot import iot from machine import Timer import time SERVER = "192.168.2.107" #MQTT服务器IP CLIENT_ID = "" #在SIoT上，CLIENT_ID可以留空 IOT_pubTopic = 'xzr/001' #“topic”为“项目名称/设备名称” IOT_UserName = '******' #用户名 IOT_PassWord = '******' #密码 siot = iot(CLIENT_ID, SERVER, user=IOT_UserName, password=IOT_PassWord) def WIFIconnect(): import network ssid = "dfrobotYanfa" password = "******" station = network.WLAN(network.STA_IF) if station.isconnected() == True: print("Wifi already connected") return station.active(True)
from machine import WDT
from machine import Timer
import utime
import checkNet
'''
下面两个全局变量是必须有的，用户可以根据自己的实际项目修改下面两个全局变量的值，
在执行用户代码前，会先打印这两个变量的值。
'''
PROJECT_NAME = "QuecPython_WDT_example"
PROJECT_VERSION = "1.0.0"
checknet = checkNet.CheckNetwork(PROJECT_NAME, PROJECT_VERSION)
timer1 = Timer(Timer.Timer1)
def feed(t):
wdt.feed()
if __name__ == '__main__':
'''
手动运行本例程时，可以去掉该延时，如果将例程文件名改为main.py，希望开机自动运行时，需要加上该延时,
否则无法从CDC口看到下面的 poweron_print_once() 中打印的信息
'''
utime.sleep(5)
checknet.poweron_print_once()
'''
如果用户程序包含网络相关代码，必须执行 wait_network_connected() 等待网络就绪（拨号成功）；
如果是网络无关代码，可以屏蔽 wait_network_connected()
class Runner:
def __init__(self, stimulus_freqs=None) -> None:
if stimulus_freqs is None:
self.stim_freqs = config.STIM_FREQS # assign defaults
self.base_sample_freq = config.ADC_SAMPLE_FREQ
self.downsampled_freq = config.DOWNSAMPLED_FREQ
self.preprocessing_enabled = config.PREPROCESSING
if self.preprocessing_enabled:
self.downsampled_freq = config.DOWNSAMPLED_FREQ
self.sample_counter = 0
self.buffer_size = 256 # TODO: update this to be populated dynamically
self.output_buffer = [0.0 for i in range(self.buffer_size)]
self.decoded_output = {}
self.is_setup = False
self.is_sampling = False
self.is_logging = False
def setup(self,
spi_params=None,
adc_params=None,
log_period=5,
logger_type=None):
from machine import freq
freq(config.BASE_CLK_FREQ) # set the CPU frequency
self._init_decoder()
gc.collect()
self._init_peripherals(spi_params, adc_params)
gc.collect()
self._setup_logger(log_period, logger_type)
gc.collect()
self.is_setup = True
def run(self):
if not self.is_setup:
raise ValueError(
"Runner not setup. Call `.setup()` before running.")
self.start_sample_timer()
if self.logger is not None:
self.start_logger()
def stop(self):
if self.is_sampling:
self.stop_sample_timer()
if self.is_logging:
self.stop_logger()
def preprocess_data(self, signal):
"""Preprocess incoming signal before decoding algorithms.
This involves applying a bandpass filter to isolate the target SSVEP range
and then downsampling the signal to the Nyquist boundary.
Returns:
[np.ndarray]: filtered and downsampled signal
"""
from lib.signal import sos_filter
ds_factor = self.downsampling_factor
signal = np.array(signal) - np.mean(signal) # remove DC component
# downsample filtered signal by only selecting every `ds_factor` sample
return sos_filter(signal, fs=self.base_sample_freq)[::ds_factor]
def decode(self, *args):
"""
Run decoding on current state of output buffer.
Note that `*args` is specified but not used directly: this allows
this function to be called using `micropython.schedule` which
requires the scheduled func to accept an argument.
"""
data = np.array(self.output_buffer)
data = data.reshape((1, len(data))) # reshape to row vector
gc.collect()
result = self.decoder.compute_corr(data)
# note: need to be careful not to change the memory address of this variable using direct
# assignment since the logger depends on this reference. Also would just be inefficient.
self.decoded_output.update(
{freq: round(corr[0], 5)
for freq, corr in result.items()})
gc.collect()
return self.decoded_output
def sample_callback(self, *args, **kwargs):
from lib.utils import update_buffer
self.periph_manager.adc_read_to_buff(size=1)
self.sample_counter += 1
# this will only be true every 1s once buffer fills
if self.sample_counter >= self.buffer_size:
self.periph_manager.write_led("red", 1)
data = self._read_internal_buffer(
preprocess=self.preprocessing_enabled)
update_buffer(self.output_buffer,
list(data),
self.buffer_size,
inplace=True)
self.sample_counter = 0
self.periph_manager.write_led("red", 0)
# TODO: workout how to run decoding in another handler as
# this could take a non-negligible amount of time which
# would disrupt consistency of sampling freq. For now,
# we can schedule this function to run 'soon' while allowing other
# ISRs to interrupt it if need be.
try:
schedule(self.decode, None)
except RuntimeError:
# if schedule queue is full, run now
self.decode()
def read_output_buffer(self):
return self.output_buffer
def start_logger(self):
if self.logger is not None:
self.logger.start()
self.is_logging = True
def stop_logger(self):
if self.logger is not None:
self.logger.stop()
self.is_logging = False
def start_sample_timer(self):
from machine import Timer
self.sample_timer = Timer(0)
self.sample_timer.init(freq=self.base_sample_freq,
callback=self.sample_callback)
self.is_sampling = True
def stop_sample_timer(self):
if self.sample_timer is not None:
self.sample_timer.deinit()
self.is_sampling = False
@property
def downsampling_factor(self):
return self.base_sample_freq // self.downsampled_freq
def _read_internal_buffer(self, preprocess=False):
data = self.periph_manager.read_adc_buffer()
if preprocess and len(data) > 1:
data = self.preprocess_data(data)
return data
def _init_peripherals(self, spi_params, adc_params):
self.periph_manager = PeripheralManager(spi_params=spi_params,
adc_params=adc_params)
self.periph_manager.init()
def _init_decoder(self):
from lib.decoding import CCA
# note: downsampled_freq is same as base sampling freq if
# preprocessing is disabled
self.decoder = CCA(self.stim_freqs, self.downsampled_freq)
def _setup_logger(self, log_period, logger_type):
if logger_type is not None:
if logger_type != logger_types.SERIAL:
print(
"Warning: only the `SERIAL` logger type is available offline. Defaulting to this."
)
self.logger = BaseLogger(log_period, self.decoded_output,
self.output_buffer)
else:
self.logger = None
class osd:
def __init__(self):
self.screen_x = const(64)
self.screen_y = const(20)
self.cwd = "/"
self.init_fb()
self.exp_names = " KMGTE"
self.mark = bytearray([32,16,42]) # space, right triangle, asterisk
self.read_dir()
self.spi_read_irq = bytearray([1,0xF1,0,0,0,0,0])
self.spi_read_btn = bytearray([1,0xFB,0,0,0,0,0])
self.spi_result = bytearray(7)
self.spi_enable_osd = bytearray([0,0xFE,0,0,0,1])
self.spi_write_osd = bytearray([0,0xFD,0,0,0])
self.spi_channel = const(2)
self.spi_freq = const(3000000)
self.init_pinout_sd()
#self.spi=SPI(self.spi_channel, baudrate=self.spi_freq, polarity=0, phase=0, bits=8, firstbit=SPI.MSB, sck=Pin(self.gpio_sck), mosi=Pin(self.gpio_mosi), miso=Pin(self.gpio_miso))
self.init_spi()
alloc_emergency_exception_buf(100)
self.enable = bytearray(1)
self.timer = Timer(3)
self.irq_handler(0)
self.irq_handler_ref = self.irq_handler # allocation happens here
self.spi_request = Pin(0, Pin.IN, Pin.PULL_UP)
self.spi_request.irq(trigger=Pin.IRQ_FALLING, handler=self.irq_handler_ref)
def init_spi(self):
self.spi=SPI(self.spi_channel, baudrate=self.spi_freq, polarity=0, phase=0, bits=8, firstbit=SPI.MSB, sck=Pin(self.gpio_sck), mosi=Pin(self.gpio_mosi), miso=Pin(self.gpio_miso))
self.cs=Pin(self.gpio_cs,Pin.OUT)
self.cs.off()
# init file browser
def init_fb(self):
self.fb_topitem = 0
self.fb_cursor = 0
self.fb_selected = -1
@micropython.viper
def init_pinout_sd(self):
self.gpio_cs = const(5)
self.gpio_sck = const(16)
self.gpio_mosi = const(4)
self.gpio_miso = const(12)
@micropython.viper
def irq_handler(self, pin):
p8result = ptr8(addressof(self.spi_result))
self.cs.on()
self.spi.write_readinto(self.spi_read_irq, self.spi_result)
self.cs.off()
btn_irq = p8result[6]
if btn_irq&0x80: # btn event IRQ flag
self.cs.on()
self.spi.write_readinto(self.spi_read_btn, self.spi_result)
self.cs.off()
btn = p8result[6]
p8enable = ptr8(addressof(self.enable))
if p8enable[0]&2: # wait to release all BTNs
if btn==1:
p8enable[0]&=1 # clear bit that waits for all BTNs released
else: # all BTNs released
if (btn&0x78)==0x78: # all cursor BTNs pressed at the same time
self.show_dir() # refresh directory
p8enable[0]=(p8enable[0]^1)|2;
self.osd_enable(p8enable[0]&1)
if p8enable[0]==1:
if btn==9: # btn3 cursor up
self.start_autorepeat(-1)
if btn==17: # btn4 cursor down
self.start_autorepeat(1)
if btn==1:
self.timer.deinit() # stop autorepeat
if btn==33: # btn6 cursor left
self.updir()
if btn==65: # btn6 cursor right
self.select_entry()
def start_autorepeat(self, i:int):
self.autorepeat_direction=i
self.move_dir_cursor(i)
self.timer_slow=1
self.timer.init(mode=Timer.PERIODIC, period=500, callback=self.autorepeat)
def autorepeat(self, timer):
if self.timer_slow:
self.timer_slow=0
self.timer.init(mode=Timer.PERIODIC, period=30, callback=self.autorepeat)
self.move_dir_cursor(self.autorepeat_direction)
self.irq_handler(0) # catch stale IRQ
def select_entry(self):
if self.direntries[self.fb_cursor][1]: # is it directory
oldselected = self.fb_selected - self.fb_topitem
self.fb_selected = self.fb_cursor
try:
self.cwd = self.fullpath(self.direntries[self.fb_cursor][0])
except:
self.fb_selected = -1
self.show_dir_line(oldselected)
self.show_dir_line(self.fb_cursor - self.fb_topitem)
self.init_fb()
self.read_dir()
self.show_dir()
else:
self.change_file()
def updir(self):
if len(self.cwd) < 2:
self.cwd = "/"
else:
s = self.cwd.split("/")[:-1]
self.cwd = ""
for name in s:
if len(name) > 0:
self.cwd += "/"+name
self.init_fb()
self.read_dir()
self.show_dir()
def fullpath(self,fname):
if self.cwd.endswith("/"):
return self.cwd+fname
else:
return self.cwd+"/"+fname
def change_file(self):
oldselected = self.fb_selected - self.fb_topitem
self.fb_selected = self.fb_cursor
try:
filename = self.fullpath(self.direntries[self.fb_cursor][0])
except:
filename = False
self.fb_selected = -1
self.show_dir_line(oldselected)
self.show_dir_line(self.fb_cursor - self.fb_topitem)
if filename:
if filename.endswith(".bit"):
self.spi_request.irq(handler=None)
self.timer.deinit()
self.enable[0]=0
self.osd_enable(0)
self.spi.deinit()
tap=ecp5.ecp5()
tap.prog_stream(open(filename,"rb"),blocksize=1024)
if filename.endswith("_sd.bit"):
os.umount("/sd")
for i in bytearray([2,4,12,13,14,15]):
p=Pin(i,Pin.IN)
a=p.value()
del p,a
result=tap.prog_close()
del tap
gc.collect()
#os.mount(SDCard(slot=3),"/sd") # BUG, won't work
self.init_spi() # because of ecp5.prog() spi.deinit()
self.spi_request.irq(trigger=Pin.IRQ_FALLING, handler=self.irq_handler_ref)
self.irq_handler(0) # handle stuck IRQ
if filename.endswith(".z80"):
self.enable[0]=0
self.osd_enable(0)
import ld_zxspectrum
s=ld_zxspectrum.ld_zxspectrum(self.spi,self.cs)
s.loadz80(filename)
del s
gc.collect()
if filename.endswith(".nes"):
import ld_zxspectrum
s=ld_zxspectrum.ld_zxspectrum(self.spi,self.cs)
s.ctrl(1)
s.ctrl(0)
s.load_stream(open(filename,"rb"),addr=0,maxlen=0x101000)
del s
gc.collect()
self.enable[0]=0
self.osd_enable(0)
if filename.endswith(".ora") or filename.endswith(".orao"):
self.enable[0]=0
self.osd_enable(0)
import ld_orao
s=ld_orao.ld_orao(self.spi,self.cs)
s.loadorao(filename)
del s
gc.collect()
if filename.endswith(".vsf"):
self.enable[0]=0
self.osd_enable(0)
import ld_vic20
s=ld_vic20.ld_vic20(self.spi,self.cs)
s.loadvsf(filename)
del s
gc.collect()
if filename.endswith(".prg"):
self.enable[0]=0
self.osd_enable(0)
import ld_vic20
s=ld_vic20.ld_vic20(self.spi,self.cs)
s.loadprg(filename)
del s
gc.collect()
@micropython.viper
def osd_enable(self, en:int):
pena = ptr8(addressof(self.spi_enable_osd))
pena[5] = en&1
self.cs.on()
self.spi.write(self.spi_enable_osd)
self.cs.off()
@micropython.viper
def osd_print(self, x:int, y:int, i:int, text):
p8msg=ptr8(addressof(self.spi_write_osd))
a=0xF000+(x&63)+((y&31)<<6)
p8msg[2]=i
p8msg[3]=a>>8
p8msg[4]=a
self.cs.on()
self.spi.write(self.spi_write_osd)
self.spi.write(text)
self.cs.off()
@micropython.viper
def osd_cls(self):
p8msg=ptr8(addressof(self.spi_write_osd))
p8msg[3]=0xF0
p8msg[4]=0
self.cs.on()
self.spi.write(self.spi_write_osd)
self.spi.read(1280,32)
self.cs.off()
# y is actual line on the screen
def show_dir_line(self, y):
if y < 0 or y >= self.screen_y:
return
mark = 0
invert = 0
if y == self.fb_cursor - self.fb_topitem:
mark = 1
invert = 1
if y == self.fb_selected - self.fb_topitem:
mark = 2
i = y+self.fb_topitem
if i >= len(self.direntries):
self.osd_print(0,y,0,"%64s" % "")
return
if self.direntries[i][1]: # directory
self.osd_print(0,y,invert,"%c%-57s D" % (self.mark[mark],self.direntries[i][0]))
else: # file
mantissa = self.direntries[i][2]
exponent = 0
while mantissa >= 1024:
mantissa >>= 10
exponent += 1
self.osd_print(0,y,invert,"%c%-57s %4d%c" % (self.mark[mark],self.direntries[i][0], mantissa, self.exp_names[exponent]))
def show_dir(self):
for i in range(self.screen_y):
self.show_dir_line(i)
def move_dir_cursor(self, step):
oldcursor = self.fb_cursor
if step == 1:
if self.fb_cursor < len(self.direntries)-1:
self.fb_cursor += 1
if step == -1:
if self.fb_cursor > 0:
self.fb_cursor -= 1
if oldcursor != self.fb_cursor:
screen_line = self.fb_cursor - self.fb_topitem
if screen_line >= 0 and screen_line < self.screen_y: # move cursor inside screen, no scroll
self.show_dir_line(oldcursor - self.fb_topitem) # no highlight
self.show_dir_line(screen_line) # highlight
else: # scroll
if screen_line < 0: # cursor going up
screen_line = 0
if self.fb_topitem > 0:
self.fb_topitem -= 1
self.show_dir()
else: # cursor going down
screen_line = self.screen_y-1
if self.fb_topitem+self.screen_y < len(self.direntries):
self.fb_topitem += 1
self.show_dir()
def read_dir(self):
self.direntries = []
ls = sorted(os.listdir(self.cwd))
for fname in ls:
stat = os.stat(self.fullpath(fname))
if stat[0] & 0o170000 == 0o040000:
self.direntries.append([fname,1,0]) # directory
else:
self.direntries.append([fname,0,stat[6]]) # file
gc.collect()
class Bot(object):
"Class to handle all Bot board peripherals."
def __init__(self,
status_update_timer=0,
status_update_rate=1000,
use_cbots=False):
"Initialise all peripherals."
# momentary switches on the board
self.boot_sw = Switch(BOOT_PIN)
self.user_sw = Switch(USER_PIN)
# init the tft and display splash screen
self.tft = Tft(BACKLIGHT_PIN)
self.tft.init(self.tft.GENERIC,
width=TFT_WIDTH,
height=TFT_HEIGHT,
miso=MISO,
mosi=MOSI,
clk=CLK,
cs=CS,
dc=22,
color_bits=16)
self.tft.image(0, 0, SPLASH_JPG)
# init battery voltage measurement
self.battery = Battery(BATTERY_SENSE)
# init i2c
self.i2c = I2C(0, sda=I2C_SDA, scl=I2C_SCL, speed=1000000)
self.servo = Servo(self.i2c)
# set wlan to be none at first
self.wlan = None
# setup periodic timer for status image updating
self.display_status_image()
self.status_tm = Timer(status_update_timer)
self.status_tm.init(
period=status_update_rate,
mode=self.status_tm.PERIODIC,
callback=lambda timer: self.update_display_status())
if use_cbots:
self.setup_cbots()
def setup_cbots(self):
"Setup required configuration for use of cbots library."
if not CBOTS_LOADED:
raise ValueError(
"cbots_used set to true but cbots library was not found.")
# tell them the i2c object we are using
cbots.set_i2c(self.i2c)
# set the servo calibration
cbots.set_servo_zero_pos(self.servo.zero_pos)
# change our write servo function to be the c implementations
self.servo.get_all = cbots.servo_get_all
self.servo.get_rad = cbots.servo_get_rad
self.servo.get_deg = cbots.servo_get_deg
self.servo.set_deg_raw = cbots.servo_set_deg_raw
self.servo.set_rad_raw = cbots.servo_set_rad_raw
self.servo.set_rad = cbots.servo_set_rad
self.servo.set_deg = cbots.servo_set_deg
def set_wlan(self, wlan):
# save the ap object for later if we want to display the status
self.wlan = wlan
def display_status_image(self):
self.tft.image(0, 0, STATUS_JPG)
def update_display_status(self):
"Show the status of the bot on the TFT display."
# show battery, red indicates low voltage cutoff for 2S
batt = self.battery.read()
if batt < LVC:
col = self.tft.RED
else:
col = self.tft.GREEN
self.tft.text(25, 40, "BATT " + str(batt) + "V ", color=col)
# show wlan status
if self.wlan is None:
self.tft.text(25, 55, "IP NO CONNECT", color=self.tft.RED)
else:
self.tft.text(25,
55,
"IP " + str(self.wlan.ifconfig()[0]),
color=self.tft.GREEN)
def deinit(self):
"Deinit all peripherals."
self.battery.deinit()
self.servo.deinit()
self.i2c.deinit()
self.tft.deinit()
self.boot_sw.deinit()
self.user_sw.deinit()
self.status_tm.deinit()
def __del__(self):
self.deinit()
from machine import Pin, Timer, PWM
pwm = PWM(Pin(2), 100) #create PWM object from a pin,and set frequency
polar = 0
duty = 0
def setLed(t): #create a variate,and change it between 0 and 1008
global duty, polar
if (polar == 0):
duty += 16
if (duty >= 1008):
polar = 1
else:
duty -= 16
if (duty <= 0):
polar = 0
pwm.duty(duty) #set duty of the PWM
tim = Timer(1) #create Timer object from Virtual timers with timer ID=1
tim.init(
period=10, mode=Timer.PERIODIC,
callback=setLed) #init Timer,Call the callback function with per second
try: #The catching
while True:
pass
except: #Capture anomaly, deinit Timer and PWM
tim.deinit()
pwm.deinit()
def timerdata(self):
tim = Timer(-1)
tim.init(period=30000, mode=Timer.PERIODIC, callback=self.updata)
timezone_correction(3) clock_string = '1234' alarm_string = '1234' button1_state = 0 button2_state = 0 snooze_state = 0 button1_start = 0 button2_start = 0 snooze_start = 0 dst_state = 1 clock_mode = 1 setting_state = 1 update_clock_string(1) screen_refresh = Timer(0) screen_refresh.init(period=10, mode=Timer.PERIODIC, callback=show_clock) button_checker = Timer(3) button_checker.init(period=100, mode=Timer.PERIODIC, callback=button_handler) # button1_p.irq(handler=button_test, trigger=Pin.IRQ_RISING)
- Echo --> GPIO 15
- Trig --> GPIO 2
- Vcc --> 3.3V
- Wires
- Breadboard
Documentation:
Timers: https://micropython-docs-esp32.readthedocs.io/en/esp32_doc/esp32/quickref.html#timers
Pins and GPIO: https://micropython-docs-esp32.readthedocs.io/en/esp32_doc/esp32/quickref.html#pins-and-gpio
HC-SR04 driver source: https://github.com/rsc1975/micropython-hcsr04
Course:
MicroPython with the ESP32
https://techexplorations.com
'''
from machine import Pin, Timer
from hc_sr04 import HCSR04
sensor = HCSR04(trigger_pin=2, echo_pin=15, echo_timeout_us=1000000)
def hcrs04_isr(event):
distance = sensor.distance_cm()
print(distance)
blink_timer = Timer(1)
blink_timer.init(period=250, mode=Timer.PERIODIC, callback=hcrs04_isr)
pack = ts.A.collect('switch', str(0))
DataCache.append(pack)
uart = UART(2)
uart.init(9600, bits=8, parity=None, stop=1)
ts = ZW_Net(14, uart)
pmos.value(1)
ts.send('AT+CMEE=1')
last_time = utime.ticks_ms()
from _thread import start_new_thread,allocate_lock
lock = allocate_lock()
start_new_thread(send_data,())
tim = Timer(0)
tim.init(period=10000, mode=Timer.PERIODIC, callback=lambda t: timetosend())
while True:
if power_io.value() == False:
pmos.value(1)
for i in range(3):
utime.sleep_ms(5000)
Pack = ts.A.collect('error', '01')
with lock:
ts.sendto('219.222.189.98', '9954', Pack)
print('error_____________________')
pmos.value(0)
if ts.is_setup >= 15:
ts.state_index = 0
color_bits=tft.COLOR_BITS16,
splash=False,
height=240)
tft.tft_writecmd(ST7789_INVON)
tft.clear(tft.NAVY)
tft.image(0, 0, ICON_LOGO)
width, height = tft.screensize()
tft.rect(1, 1, width - 1, height - 1, tft.WHITE)
Backlight = True
backlight(Backlight)
bl_timer = Timer(2)
bl_timer.init(period=BL_OFF_TIME,
mode=bl_timer.ONE_SHOT,
callback=bl_timer_cb)
# tft.font(tft.FONT_Tooney, rotate=0)
# tft.text(tft.CENTER, tft.CENTER, "SoftRF", tft.WHITE, transparent=True)
# sleep(3)
else:
print("No TFT")
from sys import path, stdout
import network
import datetime
import bme280
# # servosmall=max
# # elif c=='d':
# # servosmall=min
# if c=='t':
# pid.setpoint=pid.setpoint+1
# elif c=='g':
# pid.setpoint=pid.setpoint-1
#
# print(pid.setpoint)
#
# # if servosmall<min:
# # servosmall=min
# #
# # if servosmall>max:
# # servosmall=max
#
#
#
# # print("servosmall={}".format(servosmall))
# # s.duty(servosmall)
#
# # if c=='z':
# # print("SLEEP")
# # s.duty(0)
tim = Timer(-1)
tim.init(period=1000, mode=Timer.PERIODIC, callback=measure)
#ctrl()
class DAQ_Unit(object):
def __init__(self):#, freqVal=10000, numpnts = 1000):
if RDB.ping():
self.daqDict = pullRedisJson(RDB, DAQPARAMKEY)
gc.collect()
else:
self.daqDict = DAQPARAMS
self.setDaqParams()
self.curPos = 0
self.setupADC()
self.setupTimer()
def updateDaqParams(self):
if RDB.ping():
self.daqDict = pullRedisJson(RDB, DAQPARAMKEY)
gc.collect()
else:
print("Redis DAQ Param Pull Failed\n\tReverting to defaults...")
self.setDaqParams()
def setDaqParams(self):
self.gpw = self.daqDict['gpw']
self.numPnts = self.daqDict['numPnts']
self.acqSpeed = self.daqDict['acqSpeed']
self.freq = self.daqDict['freq']#40000#1//(self.acqSpeed*1000)#acqSpeed is in microseconds
self.acqType = self.daqDict['acqType']
self.numAves = self.daqDict['numAves']
self.multiplexParam = self.daqDict['multiplexParam']
self.dataArray = array.array('H', range(self.numPnts))#initialize data array
self.dataID = uniqid()
self.daqDict['dataCode'] = self.dataID
self.filePath = self.dataID+'.txt'
self.daqDict['filePath'] = self.filePath
self.daqDict['data'] = self.dataArray
gc.collect()
def pushData(self, writeSD = False):
t = time.time()
RDB.rpush(self.dataID, self.dataID)
RDB.rpush(self.dataID, self.numPnts)
RDB.rpush(self.dataID, self.numAves)
RDB.rpush(self.dataID, self.gpw)
RDB.rpush(self.dataID, self.acqSpeed)
RDB.rpush(self.dataID, self.freq)
RDB.rpush(self.dataID, self.filePath)
RDB.rpush(self.dataID, self.acqType)
RDB.rpush(self.dataID, self.multiplexParam)
print(time.time()-t)
j = 0#Break and send data (Not optimum but better than one by one)
for i in range(1+len(self.dataArray)//INDEXVAL):
RDB.rpush(self.dataID, str(self.dataArray[j:j+INDEXVAL]))
j+=INDEXVAL
RDB.rpush('activeData', self.dataID)
if writeSD:
self.writeData()
gc.collect()
print("Push Time")
t = time.time()-t
print(t)
def stopTimer(self):
self.tim.deinit()
def setupTimer(self):
'''
Need to look at the following:
But how to average? (Do we need two buffers)
http://docs.micropython.org/en/latest/pyboard/library/pyb.ADC.html
'''
#How to stop timer?
self.tim = Timer(0, mode = Timer.PERIODIC, width = 32)#what is this width? Timer resolution?
self.timChannel = self.tim.channel(Timer.A, freq = self.freq)
#What is the function of the trigger, do we need to implement external vs internal?
self.timChannel.irq(handler=self._addData_, trigger = Timer.TIMEOUT)
def setupADC(self):
self.adc = ADC()
self.adcPin = self.adc.channel(pin = 'GP3')
def _addData_(self, timer, saveData = False):
self.dataArray[self.curPos] = self.adcPin()
self.curPos+=1
self.curPos%=self.numPnts#this value can ultimately help us with the number of aves.
def writeData(self):
t = time.time()
curDir = os.getcwd()
os.chdir("/sd")#change directory to SD card
try:
f = open(self.filePath, 'w')
# json.dump(self.daqDict, f)#assumes the data has already been converted to a string-Redis doesn't like arrays
f.write("%s\n"%self.dataID)
f.write("%s\n"%str(self.numPnts))
f.write("%s\n"%str(self.numAves))
f.write("%s\n"%str(self.gpw))
f.write("%s\n"%str(self.acqSpeed))
f.write("%s\n"%str(self.freq))
f.write("%s\n"%self.filePath)
f.write("%s\n"%str(self.acqType))
f.write("%s\n"%str(self.multiplexParam))
for d in self.dataArray:
f.write("%s,\n"%str(d))
f.close()
os.chdir(curDir)
except:
os.chdir(curDir)
print("Saving to %s failed"%fileName)
gc.collect()
print("Write Time: %s"%(time.time()-t))
# GNU General Public License <https://www.gnu.org/licenses>
# STIA436 Course - Spring 2019
# Professor Colin McCormick & Father Chris Wagner
# Copyright (c) 2019 F. Pascal Girard
#
import machine, utime
from machine import Pin, Signal, Timer
"""
# ESP32 Code - see below
# from machine import TouchPad
pad = TouchPad(Pin(14))
"""
timer = Timer(0)
upgrade = False
print('Running main')
def callback(pin):
global upgrade
upgrade = True
return(upgrade)
def run(timer):
if not upgrade:
print('Running sensors...')
import wake
wake.main()
else:
print('Upgrading...')
import webrepl, iot
from time import sleep_us, sleep_ms
from machine import Timer
from pyb import Pin
LED_BUILDIN = 16
p = Pin(LED_BUILDIN, Pin.OUT)
def count():
for i in range(5):
print(i)
sleep_ms(100)
def breath():
Brightness = 90
Inhale = 800
Pulse = Inhale*1000/Brightness
for i in range(Brightness):
p.low()
sleep_us(i*10)
p.high()
sleep_us(int(Pulse) - i*10)
for i in range(Brightness, 0, -1):
p.low()
sleep_us(i*10)
p.high()
sleep_us(int(Pulse) - i*10)
tim = Timer(0)
# tim.init(period=500, mode=Timer.PERIODIC, callback=lambda t:count())
tim.init(period=3000, mode=Timer.PERIODIC, callback=lambda t:breath())
#
from util.colors import *
from util.pinout import set_pinout
from util.io_config import get_from_file
pinout = set_pinout() # set board pinout
rtc = RTC() # real time
io_conf = get_from_file() # read configuration for peripherals
# I2C address:
LCD_ADDR = 0x27
OLED_ADDR = 0x3c
if Env.isTimer:
from machine import Timer
tim1 = Timer(0)
# -------------------------------- common terminal function ---------------
def getVer():
return "octopusLAB - lib.version: " + Env.ver + " > " + Env.verDat
def get_eui():
return Env.uID #mac2eui(id)
def printInfo(w=Env.TW):
print('-' * w)
print("| ESP UID: " + Env.uID + " | RAM free: " + str(getFree()) + " | " +
get_hhmm())
from pyb import Pin
from time import sleep_ms, sleep_us, ticks_us
from machine import Timer
D5 = Pin(14, Pin.OUT)
D6 = Pin(12, Pin.IN)
Trig = D5
Echo = D6
def measure():
Trig.low()
sleep_us(15)
Trig.high()
sleep_us(15)
Trig.low()
while(Echo.value() == 0):
start = ticks_us()
while(Echo.value() == 1):
end = ticks_us()
duration = end - start
dist = 0.03435 * 0.5 * duration
print("duration: " + str(duration) + ", " + \
"distance: " + str(dist))
return dist
tim = Timer(0)
tim.deinit()
tim.init(period=200, mode=Timer.PERIODIC, callback=lambda t:measure())
#
import machine, time
from machine import Pin, Timer
from ble_pendulo import BLEPendulo
import bluetooth
def interrupcao(timer):
global tempos
tempos.append(time.ticks_ms())
def debounce(pin):
global timer
timer.init(mode=Timer.ONE_SHOT,period=200,callback=interrupcao)
timer = Timer(0)
tempos = []
periodos = []
p21 = Pin(21,Pin.IN,Pin.PULL_UP)
p21.irq(trigger=Pin.IRQ_RISING,handler=debounce)
b1 = bluetooth.BLE()
ble = BLEPendulo(b1)
while True:
if len(tempos)==3:
estado = machine.disable_irq()
t0, tf = tempos[0], tempos[2]
tempos.clear()
tempos.append(tf)
machine.enable_irq(estado)
from machine import Pin from machine import Timer rt = Timer(-1) rt.deinit() # turn off current timers p0 = Pin(0, Pin.OUT) p0.off() # red light on p2 = Pin(2, Pin.OUT) p2.off() # blue light on p4 = Pin(4, Pin.IN, Pin.PULL_UP) # p4 with internal pull resister p5 = Pin(5, Pin.IN, Pin.PULL_UP) # p5 with internal pull resister # up is 1, down is 0 for the float switches # for the relays p13 = Pin(13, Pin.OUT) p13.off() p15 = Pin(15, Pin.OUT) p15.off() relay_1 = p13 relay_2 = p15 top_float_switch = p4 bottom_float_switch = p5 fresh_pump = p0 dirty_pump = p2
#disable heartbeat
#per - https://micropython.org/resources/docs/en/latest/wipy/library/machine.html
HeartBeat().disable()
#turn LED on
# (says v1.6, led works/HB is incorrect?) https://micropython.org/resources/docs/en/latest/wipy/wipy/tutorial/repl.html#linux
led = Pin('GP25', mode=Pin.OUT)
led(1)
#simple function to blink lamp
blink = lambda f:led.toggle()
#Much of 1.4.6 doc is just bad/does not match actual v1.4.6 WiPy firmware
#https://github.com/micropython/micropython/blob/v1.4.6/docs/pyboard/tutorial/timer.rst
#initialize a timer
tim = Timer(4) #1-14 exist; 3 is for internal use; avoid 5+6 (used for servo control or ADC/DAC)
tim.init(mode=Timer.PERIODIC)
#configure a timer 'channel'
tim_a = tim.channel( tim.A, freq=5) #less than 5per sec did not work
#add something useful to the running channel
tim_a.irq(handler=blink) #blinks strangely rapidly
#disable the timer 'channel'
tim_a = None #still blinking
#tim.deinit() #stopped, terminal froze.
tim.channel( tim.A, freq=5) #stopped blinking
#reinitialize, for a slower blink
tim.deinit()
data_type="sensors",
lora=lora)
if gps_on:
GPS_Events = EventScheduler(logger=status_logger,
data_type="gps",
lora=lora)
status_logger.info("Initialisation finished")
# Blink green three times to identify that the device has been initialised
for val in range(3):
blink_led((0x005500, 0.5, True))
time.sleep(0.5)
# Initialise custom yellow heartbeat that triggers every 5 seconds
heartbeat = Timer.Alarm(blink_led,
s=5,
arg=(0x005500, 0.1, True),
periodic=True)
# Try to update RTC module with accurate UTC datetime if GPS is enabled and has not yet synchronized
if gps_on and update_time_later:
# Start a new thread to update time from gps if available
_thread.start_new_thread(GpsSIM28.get_time, (rtc, status_logger))
except Exception as e:
status_logger.exception("Exception in the main")
led_lock.acquire()
pycom.rgbled(0x550000)
while True:
time.sleep(5)
seg7(9,blue)
elif i >= 60*8:
seg7(8,green)
elif i >= 60*7:
seg7(7,blue)
elif i >= 60*6:
seg7(6,green)
elif i >= 60*5:
seg7(5,blue)
elif i >= 60*4:
seg7(4,bluegreen)
elif i >= 60*3:
seg7(3,green)
elif i >= 60*2:
seg7(2,yellow)
elif i >= 60*1:
seg7(1,purple)
elif i > 0:
seg7(0,red)
else:
seg7(0,red)
buz.on() # 時間ぎれでブザー鳴る
time.sleep(0.8)
seg7(0,blank)
buz.off()
time.sleep(0.1)
i = t * 60
tim = Timer(-1)
tim.init(period=1000, mode=Timer.PERIODIC, callback=lambda t:led()) # １秒ごとに割り込み
# lv.log_register_print_cb(lv_h.log)
lv.log_register_print_cb(
lambda level, path, line, msg: print('%s(%d): %s' % (path, line, msg)))
scr = lv.obj()
btn = lv.btn(scr)
btn.align(lv.scr_act(), lv.ALIGN.CENTER, 0, 0)
label = lv.label(btn)
label.set_text("Button")
label.set_size(20, 20)
lv.scr_load(scr)
def on_timer(timer):
lv.tick_inc(5)
timer = Timer(Timer.TIMER0,
Timer.CHANNEL0,
mode=Timer.MODE_PERIODIC,
period=5,
unit=Timer.UNIT_MS,
callback=on_timer,
arg=None)
while True:
tim = time.ticks_ms()
lv.task_handler()
while time.ticks_ms() - tim < 5:
pass
import micropython
micropython.alloc_emergency_exception_buf(100)
from machine import UART
import os
uart = UART(0, baudrate=115200)
os.dupterm(uart)
print ('UART initialised')
#uart.irq(trigger=UART.RX_ANY, wake=machine.IDLE)
from machine import Pin
from machine import Timer
led_out = Pin('GP16', mode=Pin.OUT)
tim = Timer(1, mode=Timer.PERIODIC)
tim_a = tim.channel(Timer.A, freq=5)
# The slowest frequency the timer can run at is 5Hz
# so we divide the frequency down to toggle the LED
# BUT the callback function doesn't appear to have been developed
# Worth trying again as it is now included in the documentation
tim_a.irq(handler=lambda t:led_out.toggle(), trigger=Timer.TIMEOUT) # Toggle LED on Timer interrupt
#btn_in = Pin('GP17', mode=Pin.IN, pull=Pin.PULL_UP)
# Connect to my WiFi
import machine
from network import WLAN
wlan = WLAN() # get current object, without changing the mode
def blinking(self): pin = machine.Pin(PIN_D5, machine.Pin.OUT, machine.Pin.PULL_UP) tim = Timer(-1) tim.init(period=1000, mode=Timer.PERIODIC, callback=lambda t:pin.value(not pin.value()))
