import lcd
import sensor
import time
import uos
from fpioa_manager import *
from machine import I2C
from Maix import I2S, GPIO
from modules import ws2812
#
# initialize
#
lcd.init()
lcd.rotation(2)
i2c = I2C(I2C.I2C0, freq=400000, scl=28, sda=29)
wav_dev = I2S(I2S.DEVICE_0)
class_ws2812 = None
# check if it runs on UnitV
devices = i2c.scan()
is_unitv = False
if len(devices) == 0:
is_unitv = True
def stickv_init():
fm.register(board_info.SPK_SD, fm.fpioa.GPIO0)
spk_sd = GPIO(GPIO.GPIO0, GPIO.OUT)
spk_sd.value(1) #Enable the SPK output
fm.register(board_info.SPK_DIN, fm.fpioa.I2S0_OUT_D1)
#i2s.wait_record()
#queue.append(tmp)
#player.finish()
#del i2s, player
#time.sleep_ms(2000)
dev = ES8374(i2c)
dev.setVoiceVolume(90)
dev.start(ES_MODULE._ES_MODULE_ADC_DAC)
# init i2s(i2s0)
i2s = I2S(I2S.DEVICE_0, pll2=262144000, mclk=31)
# config i2s according to audio info # STANDARD_MODE LEFT_JUSTIFYING_MODE RIGHT_JUSTIFYING_MODE
i2s.channel_config(I2S.CHANNEL_2, I2S.TRANSMITTER, resolution=I2S.RESOLUTION_16_BIT, cycles=I2S.SCLK_CYCLES_32, align_mode=I2S.STANDARD_MODE)
#fm.register(19,fm.fpioa.I2S0_MCLK, force=True)
#fm.register(35,fm.fpioa.I2S0_SCLK, force=True)
#fm.register(33,fm.fpioa.I2S0_WS, force=True)
#fm.register(34,fm.fpioa.I2S0_IN_D0, force=True)
#fm.register(18,fm.fpioa.I2S0_OUT_D2, force=True)
fm.register(13,fm.fpioa.I2S0_MCLK, force=True)
fm.register(21,fm.fpioa.I2S0_SCLK, force=True)
fm.register(18,fm.fpioa.I2S0_WS, force=True)
fm.register(35,fm.fpioa.I2S0_IN_D0, force=True)
fm.register(34,fm.fpioa.I2S0_OUT_D2, force=True)
hist_x_num = 50
lcd.init(freq=15000000)
# close WiFi
fm.register(8, fm.fpioa.GPIO0, force=True)
wifi_en = GPIO(GPIO.GPIO0, GPIO.OUT)
wifi_en.value(0)
fm.register(20, fm.fpioa.I2S0_IN_D0, force=True)
fm.register(30, fm.fpioa.I2S0_WS,
force=True) # 19 on Go Board and Bit(new version)
fm.register(32, fm.fpioa.I2S0_SCLK,
force=True) # 18 on Go Board and Bit(new version)
rx = I2S(I2S.DEVICE_0)
rx.channel_config(rx.CHANNEL_0, rx.RECEIVER, align_mode=I2S.STANDARD_MODE)
rx.set_sample_rate(sample_rate)
img = image.Image()
if hist_x_num > 320:
hist_x_num = 320
hist_width = int(320 / hist_x_num) #changeable
x_shift = 0
while True:
audio = rx.record(sample_points)
fft_res = FFT.run(audio.to_bytes(), fft_points)
fft_amp = FFT.amplitude(fft_res)
img = img.clear()
x_shift = 0
for i in range(hist_x_num):
if fft_amp[i] > 240: