#!/bin/env python3
import time
import gex

client = gex.Client()

#print(client.ini_read())

if False:
    s = client.ini_read()
    client.ini_write(s)

if True:
    buf = client.bulk_read(gex.MSG_INI_READ)
    print(buf.decode('utf-8'))

    pb = gex.PayloadBuilder()
    pb.u32(len(buf))

    client.bulk_write(gex.MSG_INI_WRITE, pld=pb.close(), bulk=buf)

if False:
    leds = gex.DOut(client, 'strip')

    nn = 3
    for i in range(0,20):
        leds.write(nn)
        time.sleep(.05)
        nn<<=1
        nn|=(nn&0x40)>>6
        nn=nn&0x3F
    leds.clear(0xFF)

if False:
    leds = gex.DOut(client, 'bargraph')

    for i in range(0,0x41):
        leds.write(i&0x3F)
        time.sleep(.1)

if False:
    leds = gex.DOut(client, 'TST')

    for i in range(0, 0x41):
        #leds.write(i & 0x3F)
        leds.toggle(0xFF)
        time.sleep(.1)

if False:
    btn = gex.DIn(client, 'btn')
    strip = gex.DOut(client, 'strip')

    for i in range(0, 10000):
        b = btn.read()
        strip.write((b << 2) | ((~b) & 1))
        time.sleep(.02)

if True:
    neo = gex.Neopixel(client, 'npx')

    print('We have %d neopixels.\n' % neo.get_len())

    #neo.load([0xF0F0F0,0,0,0xFF0000])

    # generate a little animation...
    for i in range(0,512):
        j = i if i < 256 else 255-(i-256)
        neo.load([0x660000+j, 0x3300FF-j, 0xFFFF00-(j<<8), 0x0000FF+(j<<8)-j])
        time.sleep(.001)

    neo.load([0,0,0,0])

if False:
    i2c = gex.I2C(client, 'i2c')

    # i2c.write(0x76, payload=[0xD0])
    # print(i2c.read(0x76, count=1))

    print(i2c.read_reg(0x76, 0xD0))
    print("%x" % i2c.read_reg(0x76, 0xF9, width=3, endian='big'))

    i2c.write_reg(0x76, 0xF4, 0xFA)
    print(i2c.read_reg(0x76, 0xF4))

if True:
    spi = gex.SPI(client, 'spi')
    spi.multicast(1, [0xDE, 0xAD, 0xBE, 0xEF])
    print(spi.query(0, [0xDE, 0xAD, 0xBE, 0xEF], rlen=4, rskip=1))#