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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]
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1. About FPU transplantation As long as the chip has FPU function, the use of FPU is generally enabled by default. You can also select it in the Options tab; 2. About the transplantation of DSP li...[Details]
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background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware. STM32F...[Details]
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According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
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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]
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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]
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In the packaging process of a production line, every time the conveyor belt of the production line delivers a product to the packaging machine, the "SP" terminal outputs a pulse to the T1 terminal of...[Details]
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;The hardware connection circuit of the 51 single-chip microcomputer is as follows: ;P1.3 and P1.4 are each connected to a button; ;P0.0 and P0.3 are each connected to a light-emitting diode; ;P2.0~P...[Details]
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Homemade LED Electronics Clocks can be seen in many electronic newspapers and magazines, but most of them need to reset the time and other parameters after power failure, which brings a lot of inco...[Details]
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#include "MSP430x44x.h" void init_UART(void); void uart_start(void); void uart_send(void); void uart_receive(void); unsigned char RXDATA_BUF ,TXDATA_BUF ={0xbd,0x77,0x3d,0xc5,0xc6,0xf5,0x68,0x0d...[Details]
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"When the spring breeze blows, the horses gallop." This is
a true portrayal of the development of
NB-IoT
(Narrowband Internet of Things) in China and even the world in the past two years. Le...[Details]
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pt2262 source code written by EM78P156 ;this program is HOME ALARM ; n ;this progam write and test for 01.2.18---3.5 ;Chip EM78P156 F=3.58 MHz ;SETUP : CYCLE=2,CLOCK=...[Details]
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The industry generally believes that hybrid beamforming (Figure 1) will be the preferred architecture for 5G systems operating at microwave and millimeter wave frequencies. This architecture combin...[Details]
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In this example, a single-byte binary number (0X20) is converted into uncompressed BCD code and stored in 0X25, 0X24, and 0X23, where 0X25 is the hundreds place and 0X23 is the ones place. main: MOV ...[Details]
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Infrared remote control is the most widely used remote control method. Infrared remote control devices have the characteristics of small size, low power consumption, strong functions and low cost. Th...[Details]