anoken

// Copyright (c) 2019 aNoken
#include <M5StickC.h>

HardwareSerial serial_ext(2);
typedef struct {
  uint32_t length;
  uint8_t *buf;
} jpeg_data_t;

jpeg_data_t jpeg_data;

anoken

# Name                    Version                   Build  Channel
_libgcc_mutex             0.1                        main
_tflow_select             2.3.0                       mkl
absl-py                   0.8.0                    py36_0
astor                     0.8.0                    py36_0
blas                      1.0                         mkl
c-ares                    1.15.0            h7b6447c_1001
ca-certificates           2019.8.28                     0
cairo                     1.14.12              h8948797_3
certifi                   2019.9.11                py36_0

anoken

from Maix import GPIO, I2S, FFT
import image, lcd, math,array
from board import board_info
from fpioa_manager import fm
import audio


sample_rate = 44100
SAMPLES_PER_SECOND  = 1024
BITS_PER_SAMPLE=16

anoken

# https://github.com/sipeed/MaixPy_scripts/blob/master/multimedia/speech_recognizer/speech_recognizer.py

from Maix import I2S, GPIO
from fpioa_manager import fm
from modules import SpeechRecognizer
import utime, time

# register i2s(i2s0) pin
fm.register(20, fm.fpioa.I2S0_IN_D0, force=True)
fm.register(18, fm.fpioa.I2S0_SCLK, force=True)

anoken

Test Code

------
import wifiCfg
import urequests
import gc
import micropython
micropython.mem_info()
print('Initial free: {} allocated: {}'.format(gc.mem_free(), gc.mem_alloc()))
wifiCfg.autoConnect()

anoken

#include"LIS3DHTR.h"
LIS3DHTR<TwoWire> lis(I2C_MODE);

void setup() {
  Serial.begin(115200);
  lis.begin(Wire1, LIS3DHTR_DEFAULT_ADDRESS); //I2C Address 

  if (!lis) {
    Serial.println("ERROR");
    while (1);