It's only a few days away from July 8th, and I've been a little busy at work recently. I haven't made the phone yet, so I'll show you some of my interface, touch inputMy module GSM 2A power supplyWiFi...
This example uses MSP430G2553, and other models are also applicable. Just change the header file. The main control model of TFT is ili9320; 9325 is also OK, just change the model in the program. The w...
This article introduces two most commonly used methods for measuring algorithm running time during DSP development on the TI CCS platform. One is more convenient to use in projects with SYS/BIOS syste...
According to the environment built several times before, some errors occurred when porting uboot. I have made some conclusions. I have converted the compiler to the older arm-linux-gcc-4.3.2. The spec...
Access control products have existed since ancient times. As the first line of defense for personal and property safety, they are essential for people's lives and work. From mechanical products such a...
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]
【JDPCB】Qisda is introducing smart factories in phases. Chairman Chen Qihong said yesterday (25th) that through high automation, order delivery can be accelerated. The current benefits have reached a...[Details]
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[Details]
1. Test conditions Hardware: STM32L432KC Main frequency: 80MHz Compiler: IAR 8.20.1 Compiler options: High Speed no size constraints CRC generator polynomial: 0x782f 2. Test Method The softwar...[Details]
In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]
1. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[Details]
The program got stuck during LCD initialization. Through hardware debugging, it was found that it was stuck in the Delay_ms() function. Going to the definition, it was found to be a macro definition ...[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]
Although it is early summer, the Chinese smartphone market is still in the cold winter, just like Beijing in April with snow. For mobile phone brands caught in the middle, the cold is even more bit...[Details]
The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[Details]
Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[Details]
This example is mainly to familiarize yourself with the register configuration of Timer A and the configuration method of IAR. /*********************************************** Program function: re...[Details]
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