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34. Lektion: NTP/RTC: Unterschied zwischen den Versionen
Aus Attraktor Wiki
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Zeile 14: |
| >>> time.gmtime(0) | | >>> time.gmtime(0) |
| (2000, 1, 1, 0, 0, 0, 5, 1) | | (2000, 1, 1, 0, 0, 0, 5, 1) |
| + | >>> |
| + | </pre> |
| + | ===== NTP/RTC===== |
| + | Die RTC des ESP32 soll sehr ungenau sein. |
| + | |
| + | * https://www.az-delivery.de/blogs/azdelivery-blog-fur-arduino-und-raspberry-pi/rtc-und-ntp-in-micropython-mit-esp8266-und-esp32-teil-1 |
| + | * https://www.az-delivery.de/blogs/azdelivery-blog-fur-arduino-und-raspberry-pi/rtc-und-ntp-in-micropython-mit-esp8266-und-esp32-teil-2-tiefschlaf?utm_source=90%20Day%20Engaged&utm_medium=email&utm_campaign=220523_Hydroponik%20-%20Pflanzen%20ohne%20Erde_Blog%20%2801H0SBCNDVZF5ZP2WDDDZXW24A%29&utm_content=RTC%20und%20NTP%20in%20MicroPython%20Teil%202&utm_term=Campaign&_kx=t6chfMYPTCmi3Q3FmsDDDGHlL3Kt6ctVyJh9Hkft9JU%3D.QVRJMi |
| + | |
| + | <pre> |
| + | MicroPython v1.20.0 on 2023-04-26; ESP32S3 module with ESP32S3 |
| + | |
| + | Type "help()" for more information. |
| + | |
| + | >>> import network |
| + | >>> import ntptime |
| + | >>> from machine import RTC |
| + | |
| + | # WLAN einrichten |
| + | |
| + | >>> wlan = network.WLAN(network.STA_IF) |
| + | >>> wlan.active(True) |
| + | True |
| + | >>> wlan.connect('SSID', 'PW') |
| + | >>> wlan.isconnected() |
| + | False |
| + | >>> wlan.isconnected() |
| + | True |
| + | >>> wlan.ifconfig() |
| + | ('192.168.5.109', '255.255.255.0', '192.168.5.1', '192.168.5.1') |
| + | |
| + | # Die RTC mit NTP einstellen |
| + | |
| + | >>> ntptime.settime() |
| + | |
| + | # Die RTC einrichten |
| + | |
| + | >>> rtc = RTC() |
| + | |
| + | >>> rtc.datetime() |
| + | (2023, 9, 5, 1, 15, 39, 56, 427762) |
| + | >>> rtc.datetime() |
| + | (2023, 9, 5, 1, 16, 14, 5, 837765) |
| + | >>> rtc.datetime() |
| + | (2023, 9, 5, 1, 16, 21, 42, 597764) |
| + | >>> dir(ntptime) |
| + | ['__class__', '__name__', '__dict__', '__file__', 'socket', 'struct', 'time', 'timeout', 'utime', '__version__', 'host', 'settime'] |
| + | >>> ntptime.time() |
| + | 747246194 |
| + | >>> rtc.datetime() |
| + | (2023, 9, 5, 1, 16, 23, 49, 897771) |
| + | >>> ntptime.time() |
| + | 747246234 |
| + | >>> ntptime.utime |
| + | <module 'utime'> |
| + | >>> rtc.datetime() |
| + | (2023, 9, 5, 1, 16, 24, 29, 867765) |
| + | >>> ntptime.time() |
| + | 747246276 |
| + | >>> import time |
| + | >>> dir(time) |
| + | ['__class__', '__name__', '__dict__', 'gmtime', 'localtime', 'mktime', 'sleep', 'sleep_ms', 'sleep_us', 'ticks_add', 'ticks_cpu', 'ticks_diff', 'ticks_ms', 'ticks_us', 'time', 'time_ns'] |
| + | >>> time.gmtime() |
| + | (2023, 9, 5, 16, 25, 39, 1, 248) |
| + | >>> time.localtime() |
| + | (2023, 9, 5, 16, 25, 57, 1, 248) |
| + | >>> time.mktime(rtc.datetime()) |
| + | 747191787 |
| + | >>> ntptime.time() |
| + | 747246461 |
| + | >>> time.mktime(rtc.datetime()) |
| + | 747191787 |
| + | >>> ntptime.time() |
| + | 747246472 |
| + | >>> time.mktime(rtc.datetime()) |
| + | 747191788 |
| + | >>> ntptime.time() |
| + | 747246489 |
| >>> | | >>> |
| </pre> | | </pre> |
Version vom 19. November 2023, 20:56 Uhr
Unix-Zeit
ACHTUNG ESP32 und Pico arbeiten mit unterschiedlichen Epochen:
MicroPython v1.20.0 on 2023-04-26; Raspberry Pi Pico W with RP2040
>>> import time
>>> time.gmtime(0)
(1970, 1, 1, 0, 0, 0, 3, 1)
>>>
MicroPython v1.20.0 on 2023-04-26; ESP32 module with ESP32
>>> import time
>>> time.gmtime(0)
(2000, 1, 1, 0, 0, 0, 5, 1)
>>>
NTP/RTC
Die RTC des ESP32 soll sehr ungenau sein.
MicroPython v1.20.0 on 2023-04-26; ESP32S3 module with ESP32S3
Type "help()" for more information.
>>> import network
>>> import ntptime
>>> from machine import RTC
# WLAN einrichten
>>> wlan = network.WLAN(network.STA_IF)
>>> wlan.active(True)
True
>>> wlan.connect('SSID', 'PW')
>>> wlan.isconnected()
False
>>> wlan.isconnected()
True
>>> wlan.ifconfig()
('192.168.5.109', '255.255.255.0', '192.168.5.1', '192.168.5.1')
# Die RTC mit NTP einstellen
>>> ntptime.settime()
# Die RTC einrichten
>>> rtc = RTC()
>>> rtc.datetime()
(2023, 9, 5, 1, 15, 39, 56, 427762)
>>> rtc.datetime()
(2023, 9, 5, 1, 16, 14, 5, 837765)
>>> rtc.datetime()
(2023, 9, 5, 1, 16, 21, 42, 597764)
>>> dir(ntptime)
['__class__', '__name__', '__dict__', '__file__', 'socket', 'struct', 'time', 'timeout', 'utime', '__version__', 'host', 'settime']
>>> ntptime.time()
747246194
>>> rtc.datetime()
(2023, 9, 5, 1, 16, 23, 49, 897771)
>>> ntptime.time()
747246234
>>> ntptime.utime
<module 'utime'>
>>> rtc.datetime()
(2023, 9, 5, 1, 16, 24, 29, 867765)
>>> ntptime.time()
747246276
>>> import time
>>> dir(time)
['__class__', '__name__', '__dict__', 'gmtime', 'localtime', 'mktime', 'sleep', 'sleep_ms', 'sleep_us', 'ticks_add', 'ticks_cpu', 'ticks_diff', 'ticks_ms', 'ticks_us', 'time', 'time_ns']
>>> time.gmtime()
(2023, 9, 5, 16, 25, 39, 1, 248)
>>> time.localtime()
(2023, 9, 5, 16, 25, 57, 1, 248)
>>> time.mktime(rtc.datetime())
747191787
>>> ntptime.time()
747246461
>>> time.mktime(rtc.datetime())
747191787
>>> ntptime.time()
747246472
>>> time.mktime(rtc.datetime())
747191788
>>> ntptime.time()
747246489
>>>
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