Latest threads in Embedded Programmingshow only best voted threads
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I2C Single Master: peripheral or bit banging?
I hate I2C for several reasons. It's only two-wires bus, but for this reason it is insidious. I usually use hw peripherals when they are available, because it's much more efficient and smart and...
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3 years ago
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28 | |
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Crosscompiling for ARM: reloc type R_ARM_ABS32 is not supported for PIC - how to solve ?
I'm trying to crosscompile MQTT client for ARM platform. At the final step, creation of binaries, the system reports errors below. I guess that I overlooked something... What could be the reason ? I'm...
2
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3 years ago
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2 | |
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AKM Factory Fire Shuts Down Production of Many Audio Products
I got wind of this right away, but it didn't occur to me to post it here until now. I found out because I use one of their 20 pin parts on a board. A broker found that someplace and called me asking...
1
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3 years ago
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1 | |
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Speakers
What do they use in cell phones for speakers? I need something that will p roduce 90 dB at 10 cm at 250 Hz and should not be so large. The inexpensiv e devices I find are either not so small (under...
15
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3 years ago
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15 | |
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Simulator for embedded systems
Usually I can build my projects for embedded platforms for target board and for mingw compiler under Windows. Of course I simulate hw peripherals (UART, LEDs, and so on) in some way. I usually have a...
5
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3 years ago
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5 | |
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Good Hardware Tools
I will be working from home to help an open ventilator project and want to acquire some tools. I've needed a new scope for some time, but want an att ached scope using the PC for a display. They are...
80
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3 years ago
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80 | |
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HD44780 / ST7066U Initialization
I working with an LCD display using this chip which is apparently function compatible with the ubiquitous HD44780 LCD controller. The initialization sequence is a set of commands because no one trusts...
14
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3 years ago
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14 | |
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Adding the new "USB CUSTOM CLASS" template to CubeMX for STM32?
When preparing nonstandard USB firmwares for STM32 microcontrollers, it would be perfect to have a possibility to use a "CUSTOM CLASS", in "Class for FS IP" list in CubeMX. Unfortunately it is not...
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3 years ago
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Testing watchdog
I usually enable watchdog during boot init code. I usually use the internal watchdog that is available in the MCU I'm using. I know an external watchdog can be more secure, but internal watchdog is...
13
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3 years ago
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13 | |
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Rockchip RK3399. Is it possible to run SPI at 16 MHz?
Hi, I need to control a board (WiFi HaLow based on NRC7292 chipset) from an RK3399-based system (currently Rockpi N10) After tests it appeared that this board requires the SPI clock frequency to be 16...
1
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3 years ago
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1 | |
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Power On Self Test
I'd like to implement a Power On Self Test to be sure all (or many) parts of the electronics are functioning well. The tests to be done to check external hardware depends on the actual hardware that...
25
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3 years ago
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25 | |
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What is a Processor in Context of Reliability Analysis
How is a "processor" defined when considering requirements on developing a design? A project I am on is shoving software into HDL to design an FPGA w hich is being considered "hardware". I'm not...
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3 years ago
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USB HID mouse data packet
It's a while since I last looked at USB but I'm finding it difficult to source useful material to explain the data packet I get from a USB mouse. I have 3 mice I'm looking at for reference and to...
6
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3 years ago
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6 | |
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Division
I know most processors have an instruction for division and certainly Forth includes division words. But how are they implemented? I am asking becau se I need to do a division in hardware in an FPGA....
6
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3 years ago
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6 | |
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Some preliminary help for an FPGA selection
It will be the first FPGA for me. What I want to do is not complex, I have done similar controllers (more complex really)numerous times using logic parts, PLD, CPLD-s etc. I need to put together a...
21
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3 years ago
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21 |