Raspberry
来自Jack's Lab
目录 |
1 Pinout
1.1 Model A and B
1.2 Models A+, B+, PI 2 B, PI 3 B
2 Serial
2.1 Enable
/boot/cmdline.txt "console=serial0,115200" /boot/config.txt enable_uart=1
2.2 Disable
Remove "console=serial0,115200" from /boot/cmdline.txt
If you want to use the uart as IO device, add "enable_uart=1" into /boot/config.txt
Or you can do it by run "sudo raspi-config" , enter "Advanced Options" and then enter "Serial" ....
2.3 Connections
- RASP_TXD --- HEX_TX
- RASP_RXD --- HEX_RX
3 GPIO Control
- https://github.com/joan2937/pigpio
- raspi-gpio
- RAW: http://www.pieter-jan.com/node/15
4 Timezone
$ cat /etc/timezone Etc/UTC $ sudo echo "Asia/Shanghai" > /etc/timezone
add following into /etc/profile:
TZ=Asia/Shanghai export TZ
$ sudo reboot
5 Static IP
add following into /etc/dhcpcd.conf:
interface eth0 static ip_address=192.168.1.45/24 static routers=192.168.1.1 static domain_name_servers=192.168.1.1