metric clock

Tags: aix6.1 NTP Clock Synchronization The NTP service process on aix6.1 is named xntp. By default, this process is not started. Therefore, you must first start The xntpd daemon.Startsrc-s xntpIt is best to make it automatically start with the System Edit/etc/net. conf and add a remote NTP clock source. Add the following four lines at the bottom.BroadcastclientServer 120.4.8.1 # remote NTP

MX6 serial port command line operation of CPU clock speed, mx6 serial port When using imx6 for project development, you may need to check the clock speed of imx6 or set the clock speed of imx6. The following describes how to operate the imx6 frequency on the serial port command line in the system: CPU directory: Root @ sabresd_6dq:/sys/devices/system/cpu/cpu0/

According to the BSP_HOWTO manual, the clock-driven framework is primarily implemented in the c/src/lib/libbsp/shared/clockdrv_shell.h fileClock initializationThe clock-driven initialization function is clock_initialize (), where is the function called?The clock_driver_table_entry is defined in the cpukit/include/rtems/clockdrv.h#define Clock_driver_table_entry \ The clock_driver_table_entry is then placed

This paper introduces the basic method of pulse synchronization used in the project, its basic function is to remove a single clock width pulse from a clock domain, and then establish another pulse in the new clock domain, but in practical application, it is often not only pulse signal, data bus, Both the address bus and the control bus may be transmitted across

Stm32 has three different clock types used to drive the system clock (sysclk) (1) HSI (internal clock) (2) HSE (external clock, provided by excellent vibration) (3) PLL (PLL clock) The reuse configuration is as follows: Use HSE as the input source of the PLL, configur

Original: jquery version of the clock (CSS3 implementation)The main reason to do the clock is because like, think it good-looking (I have a little love for special effects ...). ）。 Do when the sense of engineering will be a bit large, do the discovery to realize it is not difficult, as long as the mind, in fact, quite simple (I make things like the overall direction to make good, and then do the side to fin

Example:http://blog.csdn.net/kvw3000This article is collected and sorted out, thanks to each segment of the code provider. Finishing: Go home and Chant (Wang Jitai) 1. Announcements and Counters2. Weather forecast3. The firefly following the mouse4. Status bar text5. Follow the mouse text6. Automatically displays a different maxim at the top subtitle position each time it is opened7. Flash exquisite Clock (add) The appropriate functionality can be ach

void Rcc_deinit (void){RCC-GT;CR |= (uint32_t) 0x00000001; Turn on the internal 8MHz clock#ifndef STM32F10X_CL//stm32f10x_cl refers to the STM32 Interconnect series microprocessorRcc->cfgr = (uint32_t) 0xf8ff0000; 27-31 bits in the CFGR register of other types of processors are reserved bits and 24-26 are MCO bits#else//And the CFGR register of the interconnected processor, 28-31 bits are reserved bits and 24-27 are MCORcc->cfgr = (uint32_t) 0xf0ff000

clock cycle: The clock cycle, also known as the oscillation period, is defined as the reciprocal of the clock pulse (it can be understood that the clock cycle is the inverse of the monolithic microcomputer external crystal oscillator, such as the crystal oscillator 12M, its time period is 1/12 us), is the most basic, t

Introduction to STM32 clock library function RCC_DeInit, stm32rcc_deinitVoid RCC_DeInit (void){RCC-> CR | = (uint32_t) 0x00000001; // enable the internal 8 MHz clock# Ifndef STM32F10X_CL // STM32F10X_CL indicates the STM32 interconnected series microprocessor.RCC-> CFGR = (uint32_t) 0xF8FF0000; // The 27-31 bits in the CFGR register of Other Processors are reserved bits, and the 24-26 bits are MCO bits.# E

In electronic technology, the pulse signal is a pulse signal continuously sent at a certain voltage range and at a certain interval. The interval between pulses is called a cycle, and the number of pulses generated per unit time (for example, 1 second) is called a frequency. Frequency is the metering name that describes the number of pulses that appear in a periodic cycle signal (including a pulse signal) per unit time. The standard unit of measurement for a frequency is Hz ). The system

The Development Board needs to display the clock before long, but the default is UTC time, so increase the time zone file. Copy the Shanghai time zone/usr/share/zoneinfo/asia/shanghai file for localtime to/etc cp/usr/share/zoneinfo/asia/shanghai/etc/ LocalTime However, when debugging the clock, it is found that when the time is set and written to the hardware, the boot is always 8 hours fast. The surve

1. Samsung Galaxy On5 mobile phone alarm set is very simple as long as the application in the phone to find the alarm clock can be specific settings, this phone can be set off the alarm clock, meaning the phone shutdown can also automatically start the alarm clock, the specific method as shown below we click on the phone "application."2. Click on the "

1. Under the Standby page, click "Application". 2. Click on "Clock". 3. Click on the "Alarm Clock" icon in the upper left corner of the screen. 4. Select "Create Alarm Clock". 5. Set the alarm clock according to your needs, then click "Save". (note: The set of shutdown alarm

RTC is a relatively common part of the current device, and many devices need to look at the time. RTC Real-time clock has been integrated in a number of microcontroller, before also dedicated clock chip, now the CORTEX-M3 core includes this part. Unlike previous NXP's ARM7 cores, the LPC1768 clock source is provided only by the 32K

Article Title: Synchronize the time and clock speed of your Linux system. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. The clock speed can not only update the system clock from the NTP server, but also calculate the

Synchronize Linux system time and clock speed-Linux Enterprise Application-Linux server application information. The following is a detailed description. In Linux, the clock speed not only updates the system clock from the NTP server, but also computes the clock frequency and manages the system time accordingly. Man

I. What is unity of opposites? What is the CEO? The Chief Executive Officer is the most senior manager responsible for daily operation and management in an enterprise, also known as the chief executive officer, or the top executive or large class. In FPGA systems, there is no need for a senior executive to manage all processes? For the sake of system orderliness, there will be no disorder or breakdown, and the answer must be yes. Everyone knows that the work of FPGA's internal timing logic

AbstractFm31256 is a multi-functional storage chip based on I2C bus and powered by the iron and electronics technology. In addition to non-volatile memory, the device also provides real-time clock, low-voltage reset, watchdog counters, non-volatile event counters, lockable serial digital identification, and other features. This article mainly introduces the basic functions and principles of fm31256, and gives the specific application methods of fm3125

1. System time and hardware timeThere are two clocks of hardware clock and system clock in Linux. The hardware clock is the clock device on the motherboard, which is usually the clock that can be set on the BIOS screen. The system clock