def __init__(self, time_step):
TempSensor.__init__(self, time_step)
self.run_num = 0
if config.max6675:
log.info("init MAX6675")
self.thermocouple = MAX6675(config.gpio_sensor_cs,
config.gpio_sensor_clock,
config.gpio_sensor_data,
config.temp_scale)
if config.max31850:
log.info("init MAX31850")
if (config.max6675 == 0):
self.thermocouple = MAX31850(config.w1_id_pcb)
self.thermocouple_bottom = MAX31850(config.w1_id_bottom)
self.thermocouple_top = MAX31850(config.w1_id_top)
if config.max31855:
log.info("init MAX31855")
self.thermocouple = MAX31855(config.gpio_sensor_cs,
config.gpio_sensor_clock,
config.gpio_sensor_data,
config.temp_scale)
if config.max31855spi:
log.info("init MAX31855-spi")
self.thermocouple = MAX31855SPI(
spi_dev=SPI.SpiDev(port=0, device=config.spi_sensor_chip_id))
def __init__(self, time_step):
TempSensor.__init__(self, time_step)
if config.max6675:
log.info("init MAX6675")
self.thermocouple = MAX6675(config.gpio_sensor_cs,
config.gpio_sensor_clock,
config.gpio_sensor_data, "c")
if config.max31855:
log.info("init MAX31855")
self.thermocouple = MAX31855(config.gpio_sensor_cs,
config.gpio_sensor_clock,
config.gpio_sensor_data, "c")
def __init__(self, time_step):
TempSensor.__init__(self, time_step)
if config.max6675:
log.info("init MAX6675")
self.thermocouple = MAX6675(config.gpio_sensor_cs,
config.gpio_sensor_clock,
config.gpio_sensor_data,
config.temp_scale)
if config.max31855:
log.info("init MAX31855")
self.thermocouple = MAX31855(config.gpio_sensor_cs,
config.gpio_sensor_clock,
config.gpio_sensor_data,
config.spi_hw_channel,
config.temp_scale)
def __init__(self, time_step):
TempSensor.__init__(self, time_step)
if config.max6675:
log.info("init MAX6675")
self.thermocouple = MAX6675(config.gpio_sensor_cs,
config.gpio_sensor_clock,
config.gpio_sensor_data,
config.temp_scale)
if config.max31855:
log.info("init MAX31855")
self.thermocouple = MAX31855(config.gpio_sensor_cs,
config.gpio_sensor_clock,
config.gpio_sensor_data,
config.temp_scale)
if config.max31855spi:
log.info("init MAX31855-spi")
self.thermocouple = MAX31855SPI(spi_dev=SPI.SpiDev(port=0, device=config.spi_sensor_chip_id))
def main():
#------INICIALIZAMOS TERMOMETRO------
cs_pin = 13 #chip select
clock_pin = 11
data_pin = 15
units = "c"
thermocouple = MAX6675(cs_pin, clock_pin, data_pin, units, GPIO.BOARD)
while True:
try:
tc = thermocouple.get()
file = open("temp_term", "w+")
file.write(str(tc))
file.close()
#print(str(tc))
except Exception:
pass
time.sleep(0.5)
thermocouple.cleanup()
from utime import sleep_ms
from umqtt_simple import MQTTClient
from machine import Pin, unique_id
from micropython import schedule, alloc_emergency_exception_buf
from esp_init import ESP_init
import uheapq
from max6675 import MAX6675
from sht30 import SHT30
from ds3231_time import cl_id
import gc
alloc_emergency_exception_buf(100)
sensor_k = MAX6675()
sensor3 = SHT30()
button = Pin(0, Pin.IN)
SERVER = "192.168.100.101"
CLIENT_ID = cl_id()
TOPIC = b"esp001log"
DATA_TP = b"data_" + CLIENT_ID
sub_flag = 100
i_pum = 0
i_snd = 0
i_data = []
uheapq.heapify(i_data)
class Foo():
def __init__(self):
self.push_ref = self.push
p2 = Pin(2, Pin.IN)
p2.irq(trigger=Pin.IRQ_RISING, handler=self.cb)
from horno_controller import Horno
import utime
# Timer
ringOn = 0
timerFinish = 0 # ms
# Digital Outputs
buzzer = 2
dOuts = DigitalOutputs595(2, 0, 13, 3)
# Sensor
so = Pin(12, Pin.IN)
sck = Pin(14, Pin.OUT)
cs = Pin(16, Pin.OUT)
tempSensor = MAX6675(sck, cs, so)
# Oven controler
controller = Horno(tempSensor, dOuts)
# Display
display = Display()
values = {
"temperature": controller.temperature,
"regulator": controller.pidParams.output,
"error": (controller.pidParams.setpoint - controller.pidParams.input),
"inAuto": controller.pid.inAuto,
"ready": controller.ready,
"timer": (timerFinish - utime.ticks_ms()),
"on": controller.on,
from max6675 import MAX6675
from machine import Pin
import time
so = Pin(12, Pin.IN)
sck = Pin(14, Pin.OUT)
cs = Pin(16, Pin.OUT)
max = MAX6675(sck, cs, so)
for _ in range(10):
print(max.read())
time.sleep(1)
from max6675 import MAX6675
from machine import Pin
import time
import urequests
import config
from machine import Timer
from PID import PID
import machine
import sys
sck = Pin(14, Pin.OUT)
cs = Pin(12, Pin.OUT)
so = Pin(13, Pin.IN)
led = Pin(2, Pin.OUT)
sens_pipe = MAX6675(sck, cs, so)
def store(data):
try:
led.off()
# print("HTTP posting to {}".format(config.db))
resp = urequests.post(config.db,
data=data,
headers={'Content-Type': 'text/plain'})
if resp.status_code != 204:
print('HTTP response "{}", text: {} '.format(
resp.reason, resp.text))
print("DB ERROR")
TC-MOD test script - MAX6675 Type-K thermocouple amplifier ========================================================== This library supports the use of the TC-MOD (exposing UEXT connector) for thermocouple reading under MicroPython. For wiring, see the: * Pyboard-Uno-R3 adapter : https://github.com/mchobby/pyboard-driver/tree/master/UNO-R3 * Pyboard UEXT connector : https://github.com/mchobby/pyboard-driver/tree/master/UEXT Author(s): * Meurisse D for MC Hobby sprl """ from max6675 import MAX6675 from time import sleep print( "MAX6675 - thermocouple reading") # PYBOARD-UEXT adapter -> cs_pin = "Y5" # sensor = MAX6675( data_pin = "Y7", clk_pin = "Y6" , cs_pin="Y5" ) # PYBOARD-UNO-R3 adapter -> cs_pin = "X8" sensor = MAX6675( data_pin = "Y7", clk_pin = "Y6" , cs_pin="X8" ) # Wait the MAX6675 to stabilize sleep( 0.500 ) while True: print( "C = %s" % sensor.temperature ) sleep(1)
def ESP_init(cl_s=b'esp001data'):
f_log = StringIO()
f_log.write('{"ESP_init":{\n')
atemp = '"DATA_topic":"%s",\n' % (cl_s.decode())
print(atemp)
f_log.write(atemp)
try:
if ds_tm.lost_time():
atemp = '"DS3231":"lost_time",\n'
print(atemp)
f_log.write(atemp)
raise
else:
ds_tm.settime()
atemp = '"DS3231 SetTime":"OK",\n'
print(atemp)
f_log.write(atemp)
try:
ntptime_cn.time()
utime.sleep_ms(200)
ntptime_cn.settime()
ds_tm.sync_rtc2ntp()
ds_tm.settime()
atemp = '"NTP & RTC SyncTime":"OK",\n'
print(atemp)
f_log.write(atemp)
except:
pass
except:
ntptime_cn.time()
utime.sleep(3)
ntptime_cn.settime()
atemp = '"NTP SetTime":"OK",\n'
print(atemp)
f_log.write(atemp)
try:
ds_tm.sync_rtc2ntp()
ds_tm.settime()
atemp = '"NTP & RTC SyncTime":"OK",\n'
print(atemp)
f_log.write(atemp)
except:
pass
finally:
atemp = '"Time":"%d-%02d-%02d %02d:%02d:%02d GMT",\n"Day_W":%d,"Day_Y":%d,\n' % (
utime.localtime())
print(atemp)
f_log.write(atemp)
try:
atemp = '"DS3231 SQW":"1Hz Out Start%d",\n' % (ds_tm.sqw_1hz())
print(atemp)
f_log.write(atemp)
except:
atemp = '"DS3231 SQW":"1Hz Out ERROR",\n'
print(atemp)
f_log.write(atemp)
try:
sensor3 = SHT30()
temperature, humidity = sensor3.measure()
del sensor3
atemp = '"ambient Temperature":"%f ºC","ambient Humidity":"%f %%",\n' % (
temperature, humidity)
print(atemp)
f_log.write(atemp)
atemp = '"Sensor SHT30":"OK",\n'
print(atemp)
f_log.write(atemp)
except:
pass
try:
sensor_k = MAX6675()
atemp = '"K Thermocouple":"%f ºC",\n"Sensor MAX6675":"OK"}}..' % (
sensor_k.measure())
del sensor_k
print(atemp)
f_log.write(atemp)
except:
pass
f_str = f_log.getvalue()
f_log.close()
return f_str
from time import sleep_ms, sleep_us, ticks_ms from math import sqrt from PID import PID from max6675 import MAX6675 from lib.esp8266_i2c_lcd import I2cLcd # I2C scl = Pin(16, Pin.OPEN_DRAIN, Pin.PULL_UP) sda = Pin(2, Pin.OPEN_DRAIN, Pin.PULL_UP) # Thermo K MAX6675 so = Pin(26, Pin.IN) sck = Pin(32, Pin.OUT) cs = Pin(33, Pin.OUT) maxK = MAX6675(sck, cs, so) i2c = I2C(1, scl=scl, sda=sda, freq=100000) i2c_exp_addr = 34 i2c_lcd_addr = 39 lcd = I2cLcd(i2c, i2c_lcd_addr, 4, 16) # addr, rows, col # ADC pin temp_adc = ADC(Pin(35)) # Set ADC pin settemp_adc = ADC(Pin(34)) # Range 50+ C temp_adc.atten(ADC.ATTN_6DB)
def __init__(self, config_dict, OLED_Status=True):
self.cfg = config_dict # 配置文件信息
self.pwm_out = PWM(Pin(2), freq=5, duty=1023)
self.max6675 = MAX6675(None, None, None, Pin(16, Pin.OUT))
# max6675使用的是硬件SPI，会设置GPIO13引脚，若使用GPIO13（蜂鸣器）请后初始化
self.beep = Pin(13, Pin.OUT) # 蜂鸣器引脚
self.beep.value(1) # 关闭蜂鸣器
self.beep_flag1 = True
self.beep_flag2 = False # 只当编码器值改变时才置为True
# 安全温度阈值，当 实际温度-与设定温度>self.max_error_temperature 触发报警
self.max_error_temperature = 30
self.buf_len = 3
self.buf_index = 0
self.temperature_err_flag = True
self.temperature_buf = [20] * self.buf_len
self.buf_sum = 20 * self.buf_len
self.temp_now = self.max6675.read_temperature()
self.temp_target = 50
# 进行PID控制的阈值（以致于前期可以持续快速升温）
self.temp_DValue = 20
self.pid_enable = False
self.pid_dt = 300 # PID的调整时间ms
gc.collect()
# 创建OLED显示器
# construct an I2C bus，软件i2c所有接口都适用
self.interface = Interface(self, Pin(1), Pin(3), OLED_Status)
self.interface.temperature_now = self.temp_now
self.interface.temperature_target = self.temp_target
self.interface.opt_deal()
# 创建编码器控制对象
self.knobs = EC11(4, 5, 0)
# 创建pid控制对象
# self.pid_contorller = PID(6.0, 18.0, 6.0, self.pid_dt/1000)
# self.pid_contorller = PID(6.0, 3.0, 10.0, self.pid_dt/1000)
self.pid_contorller = PID(1.0, 0.3, 6.0, self.pid_dt/1000)
# 创建蜂鸣器的定时器
self.beep_start_timer = Timer(-1) # periodic with 100ms period
# mode: Timer.ONE_SHOT / Timer.PERIODIC
self.beep_start_timer.init(period=1000, mode=Timer.PERIODIC,
callback=self.start_beep)
# 创建温度读取的定时器
self.temperature_timer = Timer(-1) # periodic with 100ms period
# mode: Timer.ONE_SHOT / Timer.PERIODIC
self.temperature_timer.init(
period=200, mode=Timer.PERIODIC, callback=self.get_temperature)
# 创建按键检测的定时器
self.knobs_timer = Timer(-1) # periodic with 100ms period
# mode: Timer.ONE_SHOT / Timer.PERIODIC
self.knobs_timer.init(
period=200, mode=Timer.PERIODIC, callback=self.check_knobs)
# 创建pid调节的定时器
self.adjust_timer = Timer(-1)
# mode: Timer.ONE_SHOT / Timer.PERIODIC
self.adjust_timer.init(
period=self.pid_dt, mode=Timer.PERIODIC, callback=self.adjust_temperature)
gc.collect()
# Modify below section as required
CONFIG = {
# Configuration details of the MQTT broker
"MQTT_BROKER": "192.168.0.107",
"USER": "",
"PASSWORD": "",
"PORT": 1883,
# unique identifier of the chip
"CLIENT_ID": b"esp8266_04"
}
Topic1 = b"esp4/sensor"
Topic2 = b"esp4/time"
t = 10
esp.sleep_type(esp.SLEEP_LIGHT)
K = MAX6675(3, 0, 2)
def sub_cb(topic, msg):
global t
msg = json.loads(msg)
t = msg['time']
def connect_wifi():
sta_if = network.WLAN(network.STA_IF)
if not sta_if.isconnected():
sta_if.active(True)
sta_if.connect('Tenda_1F7DA0', 'aidpoy1505')
while not sta_if.isconnected():
pass
#!/usr/bin/python
from max6675 import MAX6675, MAX6675Error
import time
cs_pin = 8
clock_pin = 11
data_pin = 9
units = "c"
thermocouple = MAX6675(cs_pin, clock_pin, data_pin)
thermocouple.cleanup()
time.sleep(1)
thermocouple = MAX6675(cs_pin, clock_pin, data_pin)
t_end = time.time() + 30
while time.time() < t_end:
print(thermocouple.get())
time.sleep(1)
thermocouple.cleanup()
from max6675 import MAX6675
from machine import Pin
from time import sleep
from board import A6, A14, A15
#When configured as open drain, a pin is pulled low (tied to GND) when set to 0, and open when set to 1.
#sck -> low
#cs -> high
#so -> low
so = Pin(A14, mode=Pin.IN)
cs = Pin(A15, mode=Pin.OUT)
sck = Pin(A6, mode=Pin.OUT)
thermo = MAX6675(sck, cs, so)
for _ in range(10):
print(thermo.read())
sleep(1)
def __init__(self, sck=None, cs=None, so=None):
sck = sck or Pin(18, Pin.OUT)
cs = cs or Pin(4, Pin.OUT)
so = so or Pin(19, Pin.IN)
self.sensor = MAX6675(sck=sck, cs=cs, so=so)
self.values = []
