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Preface This article records the S3C2440 key interrupt driver, which is modified based on the query mode key driver. 1. Code 1. Key interrupt driver The key_drv.c code is as follows (example): #i...[Details]
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Last time we talked about using an oscilloscope to measure the signal of the car's air flow meter. This time we will talk about using an oscilloscope to measure the car's oxygen sensor. The oxygen se...[Details]
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This article will introduce two different methods for measuring the conversion efficiency of switching power supplies.
Required Equipment
1. A programmable AC power supply or an a...[Details]
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With the continuous expansion of the application field of wireless technology, the industrial control field has begun to use wireless communication technology for field data transmission. Compared wi...[Details]
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1. What is a digital tube? A digital tube is a display device composed of multiple light-emitting diodes. According to the number of segments, it can be divided into seven-segment tubes, eight-se...[Details]
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question: How can I add isolation to an ADC without compromising its performance? Answer: For isolated high-performance ADCs, attention should be paid to isolating the clock on the one han...[Details]
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Recently, Shuanghuan Transmission released its 2023 semi-annual performance forecast. During the reporting period, the net profit attributable to the parent is expected to reach 350 million to 370 ...[Details]
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void SYSTICK_Init(void)
{
/* SysTick end of count event each 1ms with input clock equal to 4.5MHz (HCLK/8, default)
SysTick_SetReload(4500);
/* Enable SysTick interrupt
SysTic...[Details]
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The functions of BL0 in the S5PV210 chip are as follows:
(1) Turn off the watchdog;
(2) Clear the instruction register;
(3) Initialize the stack area;
(4) Initialize the heap area;
...[Details]
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Pixel Fold is a phone full of Wong Kar-wai style: it is like a bird without feet, it will only land once in its life, and that is when it 'dies'. In the digital circle, there have been endles...[Details]
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This article introduces the development process of using Cypress's PSoC (Programmable System on Chip) CY8C 21534 series chips in the automotive center console panel. The working principle of the pa...[Details]
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(Image source: BlueSignal official website) According to foreign media reports, BlueSignal has launched a new smart mobility solution that can accurately predict traffic conditions and signals to ...[Details]
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Whether it is a variety of mobile phones, tablet computers, or MP3 players, we seem to be increasingly inseparable from these electronic devices, even for a day. And the most indispensable issue when ...[Details]
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Dalicap joins hands with Rockwell Automation to define new standards for intelligent manufacturing of high-end electronic components (June 7, 2021, Shanghai, China) In Jinpu New District, Dalian Ci...[Details]
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On November 14, Qualcomm announced the launch of two connectivity modules, QCC74xM and QCC730M, for IoT applications such as smart homes and smart appliances. These two modules are now available fo...[Details]
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