'''

File: main.py

Project: bluestone esp32 camera

Author: daniel dong

Email: dongzhenguo@lantsang.cn

Copyright 2021 - 2021 bluestone tech

'''

import uos
import machine
import utime
import machine
import ujson

import bluestone_uart
import bluestone_config

# logging.basicConfig(level = logging.INFO)
# _main_log = logging.getLogger("MAIN")

bs_uart = None
bs_config = None

def start():
    retry_count = 1
    while True:
        try:
            uos.mount(machine.SDCard(), "/sd")
            break
        except Exception as err:
            print("Cannot mount the sd card, will try again in one second for the {} time".format(retry_count))
            retry_count += 1
            utime.sleep_ms(1000)
    start_uart()

def start_uart():
    global bs_config
    
    print("Init system configuration file")
    bs_config = bluestone_config.BluestoneConfig('config.json')
    config = bs_config.init_config()
    
    print("Init uart service")
    init_uart(config)

def init_uart(config):
    global bs_uart
    
    bs_uart = bluestone_uart.BlueStoneUart()

    init_one_uart(config, 'uart2')
    
def init_one_uart(config, name):
    global bs_config, bs_uart
    
    uart_config = bs_config.read_config_by_name(config, name)
    if uart_config is None:
        uart_config = ujson.loads('{"baud_rate":115200, "data_bits":8, "parity":0, "stop_bits":1}')
        bs_config.update_config(name, uart_config)
    bs_uart.start(name, uart_config)