int main( void )
{
osal_int_disable( INTS_ALL );// Turn off interrupts 关中断
HAL_BOARD_INIT();// Initialization for board related stuff such as LEDs
zmain_vdd_check();// Make sure supply voltage is high enough to run 检查芯片是否上电正常
InitBoard( OB_COLD );// Initialize board I/O 初始化I/O，LED，Timer等
HalDriverInit();// Initialze HAL drivers 初始化硬件抽象层驱动模块
osal_nv_init( NULL );// Initialize NV System 初始化flash存储器
znpTestRF();// Initialize and check the ZNP RF Test Mode NV items.
ZMacInit();// Initialize the MAC 初始化MAC层
zmain_ext_addr();// Determine the extended address 确定IEEE64位地址
#if defined ZCL_KEY_ESTABLISH
zmain_cert_init();// Initialize the Certicom certificate information.
#endif
zgInit();// Initialize basic NV items 初始化非易失变量
#ifndef NONWK
afInit();// Since the AF isn't a task, call it's initialization routine
#endif
osal_init_system();// Initialize the operating system 初始化OS（重点介绍1）
osal_int_enable( INTS_ALL );// Allow interrupts 使能中断
InitBoard( OB_READY );// Final board initialization 最终板载初始化
zmain_dev_info();// Display information about this device 显示设备信息（这里有LCD屏幕）
#ifdef LCD_SUPPORTED/* Display the device info on the LCD 将信息显示在LCD上*/
zmain_lcd_init();
#endif
#ifdef WDT_IN_PM1
WatchDogEnable( WDTIMX );/* If WDT is used, this is a good place to enable it. */
#endif
osal_start_znp(); // No Return from here 执行操作系统（重点介绍2）
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