What do the following macros mean and what are they used for? #define HCI_IGNORE 0x01 #define HCI_RESET 0x02 #define HCI_DIGIANSWER 0x04 #define HCI_SNIFFER 0x08 #define HCI_BROKEN_ISOC 0x10 #define H...
The original program only has the original version.. There is no problem of selecting which division through the IO portNow I modified it toPurpose: Now if the P3.6 port in my program is at a high lev...
[size=18px][color=#333333][font=微软雅黑]I have posted 2 posts before, which realized the initialization of SD card and the acquisition of SD card capacity and type. Now I will start to read the contents ...
Frequency synthesis technology has been known to people since the 1930s, and has made great progress over the past 1970s. Frequency synthesis is a technology that uses one or more frequencies as the b...
I want to make a pointer-type perpetual calendar, and I need to use LCD12864. Now the problem is that the LGM12864 I found in Protues has 18 pins, and the information I saw says it has 20 pins. So if ...
I am a novice. I have just learned DSP for a few days because I want to participate in a DSP competition. Is the difference between 2812 and 2808 only in controlling the motor? Are there big differenc...
In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[Details]
"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
We have come a long way from the 2G era, and now 5G is about to be commercialized. Suddenly, we realize that time has passed quickly, but technology has never stopped. The activation of 5G heralds ...[Details]
Recently, there was news that the US government asked Google to shut down the Android operating system for ZTE phones. After that, some people even imagined what the consequences would be if Intern...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
In the development of artificial intelligence, talent reserve is undoubtedly an important part. Artificial intelligence should be a bottom-level technology that can be deeply embedded in any indust...[Details]
Since China began to try to produce panels independently in 1998, in 2018, China's panel industry has gradually upgraded from a marginal industry to the largest production scale. Especially in the ...[Details]
Artificial Intelligence (AI) is undoubtedly the hottest topic in the technology industry in the past one or two years. In addition to the huge investments made by technology giants, financial and o...[Details]
I rewrote the main part of this program. The program uses the watchdog as a normal timer and scans the digital tubes in the watchdog interrupt. In addition, I added a display buffer. If you want to d...[Details]
Recently, Zhejiang Lipu Crushing Equipment Co., Ltd. invested 50 million yuan to build a new "annual production of 1,200 high-efficiency and energy-saving ultra-fine pulverizer construction project...[Details]
The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[Details]
With the large-scale development of the domestic household photovoltaic market and the improvement of component and inverter technology, the system cost has dropped significantly in the past year. The...[Details]
In recent years, the application of high-brightness LED has developed rapidly, especially in signboards and traffic lights. For automotive applications, LED is also very attractive. Long life, shock ...[Details]
1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[Details]