# =============================
# Program: DS18B20 + MPU6050 + LCD I2C (Raspberry Pi Pico)
# =============================

from machine import Pin, I2C
import time
import onewire, ds18x20

# =============================
# Setup DS18B20
# =============================
ds_pin = Pin(15)        # pastikan sesuai rangkaianmu
ds_sensor = ds18x20.DS18X20(onewire.OneWire(ds_pin))
roms = ds_sensor.scan()

# =============================
# Setup MPU6050
# =============================
class MPU6050:
    def __init__(self, i2c, addr=0x68):
        self.i2c = i2c
        self.addr = addr
        self.i2c.writeto_mem(self.addr, 0x6B, b'\x00')  # wake up

    def read_raw(self, reg):
        data = self.i2c.readfrom_mem(self.addr, reg, 2)
        value = data[0] << 8 | data[1]
        if value > 32767:
            value -= 65536
        return value

    def accel(self):
        ax = self.read_raw(0x3B) / 16384.0
        ay = self.read_raw(0x3D) / 16384.0
        az = self.read_raw(0x3F) / 16384.0
        return ax, ay, az

# =============================
# Setup I2C for LCD and MPU6050
# =============================
i2c = I2C(0, scl=Pin(1), sda=Pin(0), freq=400000)

mpu = MPU6050(i2c)

# =============================
# Library LCD I2C
# =============================
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd

I2C_ADDR = 0x27     # alamat modul I2C LCD (umum 0x27 atau 0x3F)
lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)

lcd.clear()
lcd.putstr("Sistem Mulai...")
time.sleep(1)

# =============================
# LOOP UTAMA
# =============================
while True:
    # Baca suhu
    ds_sensor.convert_temp()
    time.sleep_ms(750)
    temp = ds_sensor.read_temp(roms[0])

    # Baca MPU6050
    ax, ay, az = mpu.accel()
    vibration = abs(ax) + abs(ay) + abs(az)

    # Tampilkan ke LCD
    lcd.clear()
    lcd.putstr("Suhu: {:.2f}C".format(temp))
    lcd.move_to(0, 1)
    lcd.putstr("Getar:{:.2f}".format(vibration))

    time.sleep(0.5)