⑴ 学习树莓派上编程的时候,需要哪些教程

Lisp是如今正复在被广泛使用的制第二古老的高级编程语言。其名称 Lisp 派生自“列表处理语言(List Processing Language)”。Lisp 支持的重要数据结构之一是链表。 Lisp 程序会将源代码当做是数据结构。

⑵ python3 树莓派编程怎么写

首先树莓派得安装 python-smbus, i2c-tools,
然后修改文件:sudo nano /etc/moles,添加上 i2c-bcm2708 和i2c-dev 这两行,Raspbian还需要在raspi-config中激活i2c.

用 sudo i2cdetect -y 1 查看设备地址,
例子1:LCD2004,设备地址 为0x27;
先写个驱动调用程序 i2c_driver_lcd.py

import smbus
from time import *

# LCD Address
ADDRESS = 0x27

# commands
LCD_CLEARDISPLAY = 0x01
LCD_RETURNHOME = 0x02
LCD_ENTRYMODESET = 0x04
LCD_DISPLAYCONTROL = 0x08
LCD_CURSORSHIFT = 0x10
LCD_FUNCTIONSET = 0x20
LCD_SETCGRAMADDR = 0x40
LCD_SETDDRAMADDR = 0x80

# flags for display entry mode
LCD_ENTRYRIGHT = 0x00
LCD_ENTRYLEFT = 0x02
LCD_ENTRYSHIFTINCREMENT = 0x01
LCD_ENTRYSHIFTDECREMENT = 0x00

# flags for display on/off control
LCD_DISPLAYON = 0x04
LCD_DISPLAYOFF = 0x00
LCD_CURSORON = 0x02
LCD_CURSOROFF = 0x00
LCD_BLINKON = 0x01
LCD_BLINKOFF = 0x00

# flags for display/cursor shift
LCD_DISPLAYMOVE = 0x08
LCD_CURSORMOVE = 0x00
LCD_MOVERIGHT = 0x04
LCD_MOVELEFT = 0x00

# flags for function set
LCD_8BITMODE = 0x10
LCD_4BITMODE = 0x00
LCD_2LINE = 0x08
LCD_1LINE = 0x00
LCD_5x10DOTS = 0x04
LCD_5x8DOTS = 0x00

# flags for backlight control
LCD_BACKLIGHT = 0x08
LCD_NOBACKLIGHT = 0x00
# set init LCD BACKLIGHT ON or OFF
def lcd_backlight(lcdbl=1):
if lcdbl == 0 :
return LCD_NOBACKLIGHT
return LCD_BACKLIGHT

En = 0b00000100 # Enable bit
Rw = 0b00000010 # Read/Write bit
Rs = 0b00000001 # Register select bit

class lcd(object):
#initializes objects and lcd
def __init__(self,lcd_bl,port=1):

self.addr = ADDRESS
self.bus = smbus.SMBus(port)
self.lcd_bl = lcd_bl

self.lcd_write(0x03)
self.lcd_write(0x03)
self.lcd_write(0x03)
self.lcd_write(0x02)

self.lcd_write(LCD_FUNCTIONSET | LCD_2LINE | LCD_5x8DOTS | LCD_4BITMODE)
self.lcd_write(LCD_DISPLAYCONTROL | LCD_DISPLAYON)
self.lcd_write(LCD_CLEARDISPLAY)
self.lcd_write(LCD_ENTRYMODESET | LCD_ENTRYLEFT)
sleep(0.2)