Differences

This shows you the differences between two versions of the page.

--- rv3032c7_pi [2025/02/01 05:20] – [Directly] admin
+++ rv3032c7_pi [2025/02/01 05:21] (current) – [Install Requirements] admin
@@ Line 15: / Line 15: @@
 ''dtparam=rtc=off''
 ===== Install Requirements =====
-<code>
-sudo apt-get install python-smbus i2c-tools
-</code>
+''sudo apt-get install python-smbus i2c-tools''
 ===== Confirm Presence =====
 <code>
@@ Line 63: / Line 61: @@
 </code>
+====== dmesg ======
+<code>
+$ sudo dmesg | grep rtc
+[    2.837650] rtc-rv3032 1-0051: registered as rtc0
+[    2.839127] rtc-rv3032 1-0051: setting system clock to 2025-02-01T05:17:05 UTC (1738387025)
+</code>
 ===== Disable Fake hwclock =====
@@ Line 129: / Line 133: @@
 </code>
-===== Python =====
-<code>
-import smbus
-import os
-bus = smbus.SMBus(1)
-address = 0x68
-os.system('sudo rmmod rtc_ds1307')
-def getTemp(address):
-   byte_tmsb = bus.read_byte_data(address,0x11)
-   byte_tlsb = bin(bus.read_byte_data(address,0x12))[2:].zfill(8)
-   return byte_tmsb+int(byte_tlsb[0])*2**(-1)+int(byte_tlsb[1])*2**(-2)
-#print getTemp(address)
-Celsius = getTemp(address)
-Fahrenheit = 9.0/5.0 * Celsius + 32
-print Fahrenheit, "*F /", Celsius, "*C"
-os.system('sudo modprobe rtc_ds1307')
-</code>
-Save as a .py file (e.g. ds3231_temp.py) and run with ''sudo python ds3231_temp.py''
-You may need to install ''python-smbus''.