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| Both sides previous revision Previous revision Next revision | Previous revision Last revision Both sides next revision | ||
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en:c2_gpio_pps [2016/06/22 08:41] mdrjr |
en:c2_gpio_pps [2016/06/23 12:22] odroid |
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| 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]]. \\ | 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]]. \\ | ||
| Check the pin number and export number to use on gpio_pin | Check the pin number and export number to use on gpio_pin | ||
| + | |||
| + | Thanks to dan_d for providing kernel patchs + forum info. | ||
| + | [[http://forum.odroid.com/viewtopic.php?f=136&t=21733&p=148292#p148292|Forum Thread]] | ||
| == Enabling GPIO PPS Client == | == Enabling GPIO PPS Client == | ||
| <code> | <code> | ||
| sudo -s | sudo -s | ||
| - | apt-get install device-tree-compiler pps-tools | + | apt-get install pps-tools |
| echo pps-gpio > /etc/modules-load.d/pps-gpio.conf | echo pps-gpio > /etc/modules-load.d/pps-gpio.conf | ||
| echo options pps-gpio gpio_pin=238 > /etc/modprobe.d/pps-gpio.conf | echo options pps-gpio gpio_pin=238 > /etc/modprobe.d/pps-gpio.conf | ||
| modprobe pps-gpio | modprobe pps-gpio | ||
| </code> | </code> | ||
| - | |||
| - | Reboot the board to test. | ||
| Line 31: | Line 32: | ||
| </code> | </code> | ||
| - | Note this example will only run on kernel 3.14.65-69 or greater. | + | Note this example will only run on kernel 3.14.65-70 or higher. |
