I finished watching the video tutorial a few days ago, and finished answering the advanced questions after work this afternoon. I got 70 points on the objective questions, and the subjective questions...
Should I modify the internal clock frequency of STM32 in void SystemCoreClockUpdate (void)? If so, how should I modify it? If not, in which function should I modify it?...
Before I came into contact with DSP , I had always been developing single-chip microcomputers. In the previous single-chip microcomputer development, all programs were in one file, there was no distin...
Event details: [National Technology dual-core, with CAN Bluetooth N32WB452 is here]Updated to 2022-08-29Evaluation report summary:@yang8555u[National Technology N32WB452 Review] Issue 4: Using GPIO to...
After a long wait, I finally received the NXP development board. It feels a little smaller than I expected. But it is very beautiful. I will just show it to you. . ....
When I used TI's DSP before, functional units such as PLL, I2C, I2S, SPI, DMA, etc. all had separate programming manuals that gave programming steps. This is my first time using STM32, and I thought t...
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]
introduction In the general project development process, two or more microcontrollers are often required to communicate to complete data transmission. For example, a quadcopter wirelessly transmits d...[Details]
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
The Wassenaar Arrangement, everything started during the Cold War. Let's learn more about it with the embedded editor.
background
After the end of World War II, the United States ...[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]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[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]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]