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floating point math vs. integer math Hello, I am interfacing by i2S an ATMEGA1284P to a specialized chip. I read an internal register of the chip into an int16_t variable and it is an ADC output... |
Friday, 17 July 2020 - 01:53 |
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how to declare a buffer of 256 byte with UART Peter Fleury's libraries? hello, I am using the Peter Fleury's libraries and I need a circular buffer of 256 bytes. From the Peter Fleury's uart.h I have /** Size of the circular... |
Thursday, 28 March 2019 - 15:50 |
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ATMEGA1284P - use of TX1 pin as input pin Hi everybody, I have a trouble when I try to use the TX1 as an input pin. I burn the gate. I isolate a very simple code where I collect what I am doing in... |
Saturday, 19 January 2019 - 18:19 |
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Waveshare AVRISP XPII <> Seeed AVRISP V2.0 Hello, I am using with satisfaction the Waveshare AVRISP XPII. It is loaded with its driver and it is listed as an ATMEL device. To have a spare... |
Sunday, 2 December 2018 - 15:25 |
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ATMEGA1284 + 3 slaves i2C and SMbus together. Pull-up troubles. Hello, just coming from a long trial trying to connect at the same i2C bus one EMC2305 fan controller and two AD5272. The MCU is an ATMEGA1284. EM2305 is 3V3 powered... |
Monday, 15 January 2018 - 14:44 |
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SMbus managed by i2C (Peter Fleury) - ATMEGA1284 - READ BYTE trouble Hi all, I have a strange behaviour in my application: ATMEGA 1284 + EMC 2305 fan controller. I am using the i2C as TWI hardware interface (twimaster.c) coming... |
Friday, 5 January 2018 - 15:14 |
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DALLAS 1-wire and PWM by OC2B Hi all, I have a trouble with a 1-wire setup on an ATMEGA1284 where I would like to use PWM. I have just isolated the trouble but I would like to understand. To... |
Wednesday, 27 December 2017 - 09:11 |
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ATMEGA 1284 & AVR DRAGON - detected voltage below 1.7V Hello, after the holidays I connected again the AVR Dragon to my computer. The computer was upgraded to Windows 10 before the holidays. I downloaded with success Atmel Studio 7.0... |
Thursday, 25 August 2016 - 20:00 |
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switch case trouble Hello everybody. I am in trouble with a "simple" function. void print_Input(uint8_t Input2Print) { lcd_gotoxy(7,1); switch (... |
Friday, 10 July 2015 - 15:49 |
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DRAGON debugWire & ISP with MISO&MOSI used for other purposes Hello, I am not able to use the ISP properly. I connected the MISO, MOSI and SCK from the DRAGON board directly to the same pins of an ATMEGA328P. And these pins on the... |
Monday, 22 June 2015 - 18:55 |
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SOLVED: ATmega328P - timer 8 times slower Hello, I have a trouble with the timers of an ATmega 328P. Everything works but 8 times slower. Where can I look for the mistake? In project>properties>... |
Thursday, 11 June 2015 - 08:07 |
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AVR DRAGON DEAD - MISO PIN always Hight Hello, following this thread https://www.avrfreaks.net/comment... I discovered I have the MISO pin always high. So the DRAGON is dead. To avoid it happens again,... |
Wednesday, 10 June 2015 - 13:22 |