microcontroller

来源： https://stackoverflow.com/questions/63080295/included-file-not-found-for-pic10f200

来源： https://stackoverflow.com/questions/63080295/included-file-not-found-for-pic10f200

来源： https://stackoverflow.com/questions/63002788/how-to-wait-for-characters-from-uart-and-transmit-back-on-the-uart-in-arm-cortex

来源： https://stackoverflow.com/questions/63002788/how-to-wait-for-characters-from-uart-and-transmit-back-on-the-uart-in-arm-cortex

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last month . Improve this question I have been looking into micro-controllers and was wondering if the majority of them are C/C++ based? I am quite proficient in java and want to ask you guys if anyone knows of a good cost efficient, java-based micro-controller I could look into. All answers are

问题 I have an application that runs on an ARM Cortex-M based MCU and is written in C and C++. I use gcc and g++ to compile it and would like to completely disable any heap usage. In the MCU startup file the heap size is already set to 0. In addition to that, I would also like to disallow any accidental heap use in the code. In other words, I would like the linker (and/or the compiler) to give me an error when the malloc , calloc , free functions or the new , new[] , delete , delete[] operators

问题 I'm currently testing a microcontroller (azure sphere) that captures clicks 1/20th of a second but there are clicks in between that are missed when clicking very fast. I want to capture the clicks at half the time. How can I improve this code to capture each and every click? Here is part of the code. const struct timespec sleepTime = { 0, 100000000}; while (true) { GPIO_Value_Type value; GPIO_GetValue(button_A_fd, &value); Log_Debug( "Button value (%d)\n", value); // Processing the button. /

问题 I need to implement an RMS calculations of sine wave in MCU (microcontroller, resource constrained). MCU lacks FPU (floating point unit), so I would prefer to stay in integer realm. Captures are discrete via 10 bit ADC. Looking for a solution, I've found this great solution here by Edgar Bonet: https://stackoverflow.com/a/28812301/8264292 Seems like it completely suits my needs. But I have some questions. Input are mains 230 VAC, 50 Hz. It's transformed & offset by hardware means to become 0

问题 I use GCC 5.2.0 to compile code for an EFM32 MCU (based on a Cortex-M core). I notice an awful increase in code size when I want to #include <iostream> . For example, let's compile the following code for an EFM32WG "Wonder Gecko" chip: #include "em_device.h" #include "em_chip.h" #include <iostream> int main(void) { CHIP_Init(); while (1) { } } This code will result in 172048 bytes of code, whereas without #include <iostream> it is only 1440 bytes. I usually just use cout for debug output (by

问题 I have PIC18F87J11 with 8 MHz oscillator and I am using timer1 as real time clock. At this moment I have it toggle an LED every 1 minute. I noticed it does work perfect fine the first few times but slowly it starts toggling the LED every 59 seconds. Then every few minutes it keeps going down to 58, 57, etc. I don't know if its impossible to get an accurate clock using internal oscillator or if I need external oscillator. My settings look right for timer1, I just hope I can resolve this issue