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注意事项：

# this script runs in ShellLab Testbench Application
strap_length=30
freq = 0.2  # hz
delay_ms = int(1000/freq)  # ms

fcfs = Utils.FCFS()
fcfs.appendFile("rgbcmy", '''\
s -c 0xFF0000
delay {delay_ms}
s -c 0x00FF00
delay {delay_ms}
s -c 0x0000FF
delay {delay_ms}
s -c 0x00FFFF
delay {delay_ms}
s -c 0xFF00FF
delay {delay_ms}
s -c 0xFFFF00
delay {delay_ms}
load /c/rgbcmy
'''.format(delay_ms=delay_ms))

fcfs.appendFile("init", '''\
delay
s -l {strap_length} -f {freq}
load /c/rgbcmy
'''.format(strap_length=strap_length, freq=freq))

s = ShellLabStrip(PORT)
s.fcfsFormat()
s.fcfsProgram(fcfs.generate())
s.port.write('reboot\n')

# half red, half blue, three blinks alternatively
strap_length = 30
delay_ms = 100

fcfs = Utils.FCFS()
fcfs.appendFile("flash", '''\
W -w 0xFF0000 0
delay {delay_ms}
W -w 0 0
delay {delay_ms}
W -w 0xFF0000 0
delay {delay_ms}
W -w 0 0
delay {delay_ms}
W -w 0xFF0000 0
delay {delay_ms}
W -w 0 0
delay {delay_ms}
W -w 0 0xFF
delay {delay_ms}
W -w 0 0
delay {delay_ms}
W -w 0 0xFF
delay {delay_ms}
W -w 0 0
delay {delay_ms}
W -w 0 0xFF
delay {delay_ms}
W -w 0 0
delay {delay_ms}
load /c/flash
'''.format(delay_ms=delay_ms))

fcfs.appendFile("init", '''\
W -I -G{half_length} -l2
load /c/flash
'''.format(half_length=int(strap_length/2)))

s = ShellLabStrip(PORT)
s.fcfsFormat()
s.fcfsProgram(fcfs.generate())
s.port.write('reboot\n')

#include < stdio.h >
#include "mcush_api.h"

#ifdef WIN32
const char device_name[] = "\\\\.\\COM14";
#else
const char device_name[] = "/dev/ttyUSB0";
#endif

int strap_length = 30;
int push_delay_ms = 50;
int steps = 3;
int colors[] = { 0xFF0000, 0x00FF00, 0x0000FF, 0xFFFF00, 0x00FFFF, 0xFF00FF };

int main( int argc, char *argv[] )
{
    mcush_dev_t dev;
    char buf[512];
    int i;

    if( mcush_open( &dev, device_name, 9600, 5 ) <= 0 )
    {
        printf("fail to open port\n");
        return 0;
    }

    if( mcush_connect( &dev ) <= 0 )
    {
        printf("fail to connect the device\n");
        return 0;
    }

    /* identify */
    if( mcush_scpi_idn( &dev, buf ) > 0 )
        printf( "%s", buf );

    /* init strip */
    sprintf( buf, "W -l %d -I", strap_length );
    mcush_write_command( &dev, buf );

    /* push colors again and again until Ctrl-C */
    while( 1 )
    {
        /* push colors */
        for( i=0; i<6; i++ )
        {
            sprintf( buf, "L -l%d -n%d W -w -f 0x%X", push_delay_ms, steps, colors[i] );
            mcush_write_command( &dev, buf );
        }
    }

    mcush_close( &dev );
    return 0;
}

# use this script to make L2 controller a simple
# "command triggered" waterfall LED strip
# after configured, send "load /c/run" command to start
# use ShellLab Testbench App to run this script
# download at www.xrsoft.com/shell-lab/

strap_length = 30 # total length
delay_ms = 100  # movement delay in ms
steps = 10 # length of water bar
color = 0xFF0000  # red bar

fcfs = Utils.FCFS()
fcfs.appendFile("run", '''\
L -l{delay_ms} -n{steps} W -w -f {color}
L -l{delay_ms} -n{strap_length} W -w -f 0
'''.format(delay_ms=delay_ms, steps=steps, 
      color=color, strap_length=strap_length))

fcfs.appendFile("init", '''\
W -I -l{strap_length}
'''.format(strap_length=strap_length))

s = ShellLabStrip(PORT)
s.fcfsFormat()
s.fcfsProgram(fcfs.generate())
s.port.write('reboot\n')

# wait for reboot and test the effect
time.sleep(0.5)
s.disconnect()
s.connect()
s.writeCommand('load /c/run')

# this script runs in ShellLab Testbench Application
fcfs = Utils.FCFS()
for fname in ['heart', 'heart2']:
    img = cv2.imread("emblems/%s.png"% fname)
    img = cv2.cvtColor( img, cv2.COLOR_BGR2RGB )
    pixels = []
    img = img / 4.0
    img = img.astype('int8')
    for i in range(8):
        for j in range(8):
            p = img[i][j] if i & 0x01 else img[i][7-j]
            pixels.append( bytes(p) )
            logAdd( ('%d %d ->'%(i,j)) + str(p) )
    logAdd(pixels)
    fcfs.appendFile(fname, b''.join(pixels))

fcfs.appendFile('init', '''\
W -l64 -I
load /c/play
''')

fcfs.appendFile('play', '''\
W -w -L heart
delay 400
W -w -L heart2
delay 400
load /c/play
''')

s = ShellLab(PORT)
fcfs.setIntegerUID( s.getIntegerSerialNumber() )  # keep original one
s.fcfsFormat()
s.fcfsProgram(fcfs.generate())
s.reboot()

#!/bin/sh
# Shell Lab L2 strip controller demo with mcush_util
# download/compile/install mcush_util firstly
# Shanghai Linkong Software Tech. Co., Ltd.
# www.xrsoft.com
set -e
PORT=/dev/ttyUSB0
STRIP_LENGTH=30

# model match
mcush_util -p$PORT -mShellLab-L2 -r

# basic colors
mcush_util -nq -p$PORT run "s -l$STRIP_LENGTH -f0.9" \
    "s -c0xff -C1" "delay" \
    "s -c0xff00 -C1" "delay" "s -c0xff0000 -C1" "delay" \
    "s -c0xffff -C1" "delay" "s -c0xffff00 -C1" "delay" \
    "s -c0xff00ff -C1" "delay" "s -c0xffffff -C1" "delay"

# police alarm light
mcush_util -nq -p$PORT run "s -f10 -c0xff" "delay" \
    "s -c0xff0000" "delay" "s -c0xff" "delay" \
    "s -c0xff0000" "delay" "s -c0xff" "delay" \
    "s -c0xff0000" "delay" "s -c0xff" "delay"

# end, turn off 
mcush_util -nq -p$PORT run "s -c0" "delay" "s -l0"