Changes between Version 6 and Version 7 of modelserialnumber

Timestamp:

06/16/2021 06:50:19 PM (3 years ago)

Author:

Tim Harvey

Comment:

add example for mfg date

modelserialnumber

@@ -28 +28 @@
 === EEPROM: serial number from Linux ===
 From Linux you can determine the serial number for Laguna and Ventana product families:
+ * U-Boot 2019+ with devicetree kernels - determine from device-tree:
+{{{
+SERNUM=$(cat /proc/device-tree/serial-number)
+echo $SERNUM
+}}}
  * Ventana and Newport 3.10.+ devicetree kernels - determine from device-tree:
 {{{
@@ -41 +46 @@
     SERNUM="$((0x$b3$b2$b1$b0))"
     echo "SERNUM:$SERNUM"
+}}}
+
+=== EEPROM: MFG Date from Linux
+From Linux you can determine the MFG date by looking at certain fields of the EEPROM:
+{{{#!bash
+b0=$(i2cget -f -y 0 0x51 0x20 | cut -c3-)
+b1=$(i2cget -f -y 0 0x51 0x21 | cut -c3-)
+b2=$(i2cget -f -y 0 0x51 0x22 | cut -c3-)
+b3=$(i2cget -f -y 0 0x51 0x23 | cut -c3-)
+$(printf "%02x-%02x-%02x%02x\n" 0x$b0 0x$b1 0x$b2 0x$b3)
 }}}