Differences
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raspberry_boards:serial_modification [2015/10/17 18:27] admin created |
raspberry_boards:serial_modification [2016/07/10 20:09] admin |
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| - | ---- | + | ==== Serial modification ==== |
| - | **Serial modification** | + | |
| - | ---- | + | |
| For using the serial line of the Raspberry Pi you have to make some small modifications (just if you hadn't run the alamode setup): | For using the serial line of the Raspberry Pi you have to make some small modifications (just if you hadn't run the alamode setup): | ||
| Line 7: | Line 5: | ||
| In the file: /boot/cmdline.txt\\ | In the file: /boot/cmdline.txt\\ | ||
| change:\\ | change:\\ | ||
| - | ''dwc_otg.lpm_enable=0 console=ttyAMA0,11520 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait''\\ | + | dwc_otg.lpm_enable=0 console=ttyAMA0,11520 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait |
| to:\\ | to:\\ | ||
| - | ''dwc_otg.lpm_enable=0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait'' | + | dwc_otg.lpm_enable=0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait |
| And in the file: /etc/inittab\\ | And in the file: /etc/inittab\\ | ||
| comment out:\\ | comment out:\\ | ||
| - | ''2:23:respawn:/sbin/getty -L ttyAMA0 115200 vt100''\\ | + | 2:23:respawn:/sbin/getty -L ttyAMA0 115200 vt100 |
| to: \\ | to: \\ | ||
| - | ''#2:23:respawn:/sbin/getty -L ttyAMA0 115200 vt100''\\ | + | #2:23:respawn:/sbin/getty -L ttyAMA0 115200 vt100 |
| Because the Arduino IDE is not able to find the tty connection of the serial port (ttyAMA0) you have to mirror it to ttyS0. That is to be done with a file in: /etc/udev/rules.d\\ | Because the Arduino IDE is not able to find the tty connection of the serial port (ttyAMA0) you have to mirror it to ttyS0. That is to be done with a file in: /etc/udev/rules.d\\ | ||
| then name it (the number is according to the order in which the rules were loaded):\\ | then name it (the number is according to the order in which the rules were loaded):\\ | ||
| - | ''85-paperduinopi.rules''\\ | + | 85-paperduinopi.rules |
| and put in the following line:\\ | and put in the following line:\\ | ||
| - | ''KERNEL=="ttyAMA0", SYMLINK+="ttyS0",GROUP="dialout",MODE:=0666'' | + | KERNEL=="ttyAMA0", SYMLINK+="ttyS0",GROUP="dialout",MODE:=0666 |
| More informations:\\ | More informations:\\ | ||