router.on('led', function (req, res) {
req.pipe(streamCb(function (err, data) {
if (err) {
res.statusCode = 500
return res.end(String(err))
}
try {
var frames = JSON.parse(data)
} catch (err) {
if (err) {
res.statusCode = 500
return res.end(String(err))
}
}
var buffs = frames.map(function (frame) {
var buff = new Buffer(75)
, i = 0
, j = 0
for (var y = 0; y < 5; y++) {
for (var x = 0; x < 5; x++) {
if (y%2 === 0) i = 5 * y + (4 - x)
else i = 5 * y + x
j = 5 * y + x
buff[i*3] = frame[j].r
buff[i*3+1] = frame[j].g
buff[i*3+2] = frame[j].b
}
}
return buff
})
idx = 0
dataSequence = buffs
}))
res.end('ok')
})
router.on('save/:name', function (req, res, name) {
req.pipe(streamCb(function (err, data) {
if (err) {
res.statusCode = 500
return res.end(String(err))
}
db.put(name, data, function (err) {
if (err) {
res.statusCode = 500
return res.end(String(err))
}
res.statusCode = 200
res.end('saved')
})
}))
})