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Algorithm to create different delay cycles
Split from https://www.avrfreaks.net/commen...   Is there any algorithm to create different delay cycles for each client?   In my case there are many clients, they will...
Wednesday, 19 January 2022 - 04:14
CCP operation bug detection (just share experience)
There is a function to set TCD0 of ATTINY814: void ledBreathingBegin(EbreathMode bm){ uint8_t cmpEN = TCD0.FAULTCTRL & ~(TCD_CMPAEN_bm | TCD_CMPBEN_bm); //先全部禁止...
Thursday, 13 January 2022 - 04:28
Problem caused by pointer operation [closed,array instead of pointer]
There is a bug related to pointer, I don't want to create a new post, it is a normal question.   The program will trigger strange action that should not happen,the motor...
Wednesday, 5 January 2022 - 09:32
Connection broken detection
This is a hardware question,I don't know if there are ways to finish it.   I need to connect many sub-PCBA to master PCBA with 3 wires: VCC/GND/data. The data communication...
Friday, 24 December 2021 - 03:42
CCL & USART & 1-WIRE & MCU communication
As title said, I want to test the possibility of combine those functions together.   I am using 1-wire to connect 1 master(mega4809) with serial ATtiny817.   I realized...
Thursday, 16 December 2021 - 03:47
About the MACRO defintion
ATMEL studio 7 ATMEGA4809 TCB1   I didn't find the reason,anyone know?   // CLK_Main = 16M,CLK_Per = 16M // 40K = 16M/400 // duty cycle = 50% #define F_CPU 16000000UL #...
Thursday, 9 December 2021 - 03:14
The meaning of CLK_MAIN
The CLK_MAIN can be changed between 16M & 20M, and speed grades can can be vary: Speed Grades -40°C to +105°C: – 0-5 MHz @ 1.8V – 5.5V – 0-10 MHz @ 2.7V – 5.5V – 0-20 MHz @ 4...
Friday, 3 December 2021 - 11:37
How to use name instead of %num in inline ASM codes?
I am trying to customize my ws2812 driver based on the code: light_ws2812.c And I can't compile it successfully for ATmega4809,so I changed something,now ,the code:  ...
Sunday, 28 November 2021 - 05:20
Miscellaneous questions on customizing bootloader of mega4809
  Trying to customize the bootloader based on AVR109 , the task is as difficult as I thought:) Hope your guys can help me. 1)the pagesize  (clarified:128 bytes) Which...
Friday, 19 November 2021 - 06:13
Advice on input IR signal threshold value
I develop a DIY laserWar system based on AVR (arduino Nano Every too). The key parts to send/receive IR signal is TSAL6100 & TSOP4840. They works well during developing. But...
Tuesday, 23 June 2020 - 09:08
[closed, no answer though]Which timer used by Arduino in NANO every?
  Timer0 has been used by arduino In NANO,  what about NANO every? TCA has been requisitioned?   How to output 40K HZ  PWM in NANO every? I think it is better...
Sunday, 3 May 2020 - 09:16
[closed,bug found]Fail to write wiper register from specific value through IIC for MCP4018-503
  I used MCP4018-503 composed with MIC3711YMT to get variant voltage on fly. I'm puzzled by a interesting problem: The write process will fail if value reached a specific one...
Saturday, 2 May 2020 - 10:36

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