pi_i2c_nano_neomatrix_ex2.py
をテンプレートにして作成
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開始行:
[[TeleportDresser]]
#code(Python){{
import smbus
import time
i2c = smbus.SMBus(1) # 注:ラズパイのI2Cポート
#
# command:
# clear... 0x00
# show ... 0x01
# set1 ix,iy,r,g,b
# ... 0x02 *,*, *,*,*
# setn ix,iy,n, r0,g0,b0, ..r(n-1),g(n-1),b(n-1) n<=8
# ... 0x03 *,*, *, *,*,*, ..., *,*,*
#
pixels= [ \
[ ' ',' ',' ',' ',' ',' ',' ',' '],\
[ ' ','r','r',' ',' ','r','r',' '],\
[ 'r',' ',' ','r','r',' ',' ','r'],\
[ 'r',' ',' ',' ',' ',' ',' ','r'],\
[ 'r',' ',' ',' ',' ',' ',' ','r'],\
[ 'r',' ',' ',' ',' ',' ',' ','r'],\
[ ' ','r',' ',' ',' ',' ','r',' '],\
[ ' ','r',' ',' ',' ',' ','r',' '],\
[ ' ',' ','r',' ',' ','r',' ',' '],\
[ ' ',' ',' ','r','r',' ',' ',' '],\
[ ' ',' ',' ',' ',' ',' ',' ',' '],\
[ ' ','g','g','g','g','g','g','g'],\
[ ' ',' ','g',' ',' ',' ','g',' '],\
[ ' ',' ',' ','g',' ','g',' ',' '],\
[ ' ',' ',' ','g',' ','g',' ',' '],\
[ ' ',' ',' ',' ','g',' ',' ',' '] ]
addrs = [0x30,0x31]
i2c.write_byte(0x30,0x00)
i2c.write_byte(0x31,0x00)
for i in range(16):
for j in range(8):
p=pixels[i][j]
if p!=' ' :
if p=='r':
r=0xff
g=0x00
b=0x00
elif p=='g':
r=0x00
g=0xff
b=0x00
elif p=='b':
r=0x00
g=0x00
b=0xff
if j<4:
i2c_addr=addrs[0]
cmd=[i,j,r,g,b]
else:
i2c_addr=addrs[1]
cmd=[i,j-4,r,g,b]
i2c.write_i2c_block_data(i2c_addr,0x02,cmd)
i2c.write_byte(addrs[0],0x01)
i2c.write_byte(addrs[1],0x01)
}}
終了行:
[[TeleportDresser]]
#code(Python){{
import smbus
import time
i2c = smbus.SMBus(1) # 注:ラズパイのI2Cポート
#
# command:
# clear... 0x00
# show ... 0x01
# set1 ix,iy,r,g,b
# ... 0x02 *,*, *,*,*
# setn ix,iy,n, r0,g0,b0, ..r(n-1),g(n-1),b(n-1) n<=8
# ... 0x03 *,*, *, *,*,*, ..., *,*,*
#
pixels= [ \
[ ' ',' ',' ',' ',' ',' ',' ',' '],\
[ ' ','r','r',' ',' ','r','r',' '],\
[ 'r',' ',' ','r','r',' ',' ','r'],\
[ 'r',' ',' ',' ',' ',' ',' ','r'],\
[ 'r',' ',' ',' ',' ',' ',' ','r'],\
[ 'r',' ',' ',' ',' ',' ',' ','r'],\
[ ' ','r',' ',' ',' ',' ','r',' '],\
[ ' ','r',' ',' ',' ',' ','r',' '],\
[ ' ',' ','r',' ',' ','r',' ',' '],\
[ ' ',' ',' ','r','r',' ',' ',' '],\
[ ' ',' ',' ',' ',' ',' ',' ',' '],\
[ ' ','g','g','g','g','g','g','g'],\
[ ' ',' ','g',' ',' ',' ','g',' '],\
[ ' ',' ',' ','g',' ','g',' ',' '],\
[ ' ',' ',' ','g',' ','g',' ',' '],\
[ ' ',' ',' ',' ','g',' ',' ',' '] ]
addrs = [0x30,0x31]
i2c.write_byte(0x30,0x00)
i2c.write_byte(0x31,0x00)
for i in range(16):
for j in range(8):
p=pixels[i][j]
if p!=' ' :
if p=='r':
r=0xff
g=0x00
b=0x00
elif p=='g':
r=0x00
g=0xff
b=0x00
elif p=='b':
r=0x00
g=0x00
b=0xff
if j<4:
i2c_addr=addrs[0]
cmd=[i,j,r,g,b]
else:
i2c_addr=addrs[1]
cmd=[i,j-4,r,g,b]
i2c.write_i2c_block_data(i2c_addr,0x02,cmd)
i2c.write_byte(addrs[0],0x01)
i2c.write_byte(addrs[1],0x01)
}}
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