Micro Python 入门教程---第三个Micro Python LCD5110显示6x8字符
2017-12-16 20:00
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TPYboard控制LCD5110显示6x8字符
先看一下LCD5110针脚含义吧(注意:LCD5110的针脚有些不一样的)
TPYBoard的针脚与5110的针脚对应关系如下:
TPYBoard LCD5110 memo
————————————————————————————
# any Pin => RST Reset pin (0=reset, 1=normal)
# any Pin => CE Chip Enable (0=listen for input, 1=ignore input)
# any Pin => DC Data/Command (0=commands, 1=data)
# MOSI => DIN data flow (Master out, Slave in)
# SCK => CLK SPI clock
# 3V3 or any Pin => VCC 3.3V logic voltage (0=off, 1=on)
# any Pin => LIGHT Light (0=on, 1=off)
# GND => GND
还是看不明白的话,直接上针脚编号吧
TPYBoard LCD5110 memo
————————————————————————————
Y10 => RST Reset pin (0=reset, 1=normal)
Y11 => CE Chip Enable (0=listen for input,1=ignore input)
Y9 => DC Data/Command (0=commands, 1=data)
X8 => DIN data flow (Master out, Slave in)
X6 => CLK SPI clock
VCC
Y12 => LIGHT Light (0=on, 1=off)
GND
接线ok后,可运行main.py了。
main.py源代码:
#main.py
import pyb
import upcd8544
from machine import SPI,Pin
def main():
SPI = pyb.SPI(1) #DIN=>X8-MOSI/CLK=>X6-SCK
#DIN =>SPI(1).MOSI 'X8' data flow (Master out, Slave in)
#CLK =>SPI(1).SCK 'X6' SPI clock
RST = pyb.Pin('Y10')
CE = pyb.Pin('Y11')
DC = pyb.Pin('Y9')
LIGHT = pyb.Pin('Y12')
lcd_5110 = upcd8544.PCD8544(SPI, RST, CE, DC, LIGHT)
lcd_5110.lcd_write_string('Hello Python!',0,0)
lcd_5110.lcd_write_string('Micropython',6,1)
lcd_5110.lcd_write_string('TPYBoard',12,2)
lcd_5110.lcd_write_string('v102',60,3)
lcd_5110.lcd_write_string('This is a test of LCD5110',0,4)
if __name__ == '__main__':
main()
先看一下LCD5110针脚含义吧(注意:LCD5110的针脚有些不一样的)
TPYBoard的针脚与5110的针脚对应关系如下:
TPYBoard LCD5110 memo
————————————————————————————
# any Pin => RST Reset pin (0=reset, 1=normal)
# any Pin => CE Chip Enable (0=listen for input, 1=ignore input)
# any Pin => DC Data/Command (0=commands, 1=data)
# MOSI => DIN data flow (Master out, Slave in)
# SCK => CLK SPI clock
# 3V3 or any Pin => VCC 3.3V logic voltage (0=off, 1=on)
# any Pin => LIGHT Light (0=on, 1=off)
# GND => GND
还是看不明白的话,直接上针脚编号吧
TPYBoard LCD5110 memo
————————————————————————————
Y10 => RST Reset pin (0=reset, 1=normal)
Y11 => CE Chip Enable (0=listen for input,1=ignore input)
Y9 => DC Data/Command (0=commands, 1=data)
X8 => DIN data flow (Master out, Slave in)
X6 => CLK SPI clock
VCC
Y12 => LIGHT Light (0=on, 1=off)
GND
接线ok后,可运行main.py了。
main.py源代码:
#main.py
import pyb
import upcd8544
from machine import SPI,Pin
def main():
SPI = pyb.SPI(1) #DIN=>X8-MOSI/CLK=>X6-SCK
#DIN =>SPI(1).MOSI 'X8' data flow (Master out, Slave in)
#CLK =>SPI(1).SCK 'X6' SPI clock
RST = pyb.Pin('Y10')
CE = pyb.Pin('Y11')
DC = pyb.Pin('Y9')
LIGHT = pyb.Pin('Y12')
lcd_5110 = upcd8544.PCD8544(SPI, RST, CE, DC, LIGHT)
lcd_5110.lcd_write_string('Hello Python!',0,0)
lcd_5110.lcd_write_string('Micropython',6,1)
lcd_5110.lcd_write_string('TPYBoard',12,2)
lcd_5110.lcd_write_string('v102',60,3)
lcd_5110.lcd_write_string('This is a test of LCD5110',0,4)
if __name__ == '__main__':
main()
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