Differences

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

--- en:c2_gpio_pps [2016/06/13 16:54]
odroid
+++ en:c2_gpio_pps [2016/06/22 08:41]
mdrjr
@@ Line 1: / Line 1: @@
 ====== GPIO PPS Client ======
-In this example I've choose pin #12 (GPIOX.BIT10) to be my PPS input. You can use any other GPIO [[en:c2_hardware#expansion_connectors|Here]]. \\
+In this example I've choose pin #12 (GPIOX.BIT10) that's GPIO 238 to be my PPS input. You can use any other GPIO [[en:c2_hardware#expansion_connectors|Here]]. \\
-GPIOX.BIT10 is 102 in decimal and it is 0x66 in hex-decimal.
+Check the pin number and export number to use on gpio_pin
 == Enabling GPIO PPS Client ==
@@ Line 8: / Line 8: @@
 sudo -s
 apt-get install device-tree-compiler pps-tools
-fdtput -c /media/boot/meson64_odroidc2.dtb /pps
+echo pps-gpio > /etc/modules-load.d/pps-gpio.conf
-fdtput -t s /media/boot/meson64_odroidc2.dtb /pps compatible "pps-gpio"
+echo options pps-gpio gpio_pin=238 > /etc/modprobe.d/pps-gpio.conf
-fdtput -t x /media/boot/meson64_odroidc2.dtb /pps gpios 0x1e, 0x66, 0x1
+modprobe pps-gpio
 </code>
@@ Line 31: / Line 31: @@
 </code>
-Note this example will only run on kernel 3.14.65-67 or greater.
+Note this example will only run on kernel 3.14.65-69 or greater.