Post Created date
FatFs problem saving gps data
Looks like I had some memory problem. I moved every constants to the eeprom territory, and looks like it is working now. 
Tuesday, 12 November 2019 - 08:36
FatFs problem saving gps data
I corrected it, but nothing changed. 
Monday, 11 November 2019 - 20:32
FatFs problem saving gps data
I tried to shorten the header string, but when it was containing only 10 characters, it was still not working stable. I think I have memory issues, but because I have no one-wire...
Monday, 11 November 2019 - 20:26
FatFs problem saving gps data
Hmm, there is no overrun check, but the remark is true, definetly need one to avoid overrun.
Monday, 11 November 2019 - 12:44
FatFs problem saving gps data
Good catch, regarding the documentation, I forgot it
Monday, 11 November 2019 - 10:40
Atmega328p vs Atmega32
OMG. I saw an AMS1117-3.3 regulator on the board, and some resistors, I thought it is there to protect the MISO, MOSI, SCK signals to from the 5V. I grabbed my multimeter and I...
Monday, 21 October 2019 - 21:07
Atmega328p vs Atmega32
For the 2 panels I'm using 8MHz external crystal with two ceramic capacitor.    Clock fuse setting for Atmega328p:  Ext. Crystal Osc.; Frequency 3.0-8.0 MHz; Start-...
Monday, 21 October 2019 - 09:49
Atmega328p vs Atmega32
You grabbed the main point of it, that's why I'm confused. 16x2 LCD is working, since readable characters appear on it, and more or less the SD card too, because some data are...
Monday, 21 October 2019 - 09:15
Atmega328p vs Atmega32
Unfortunately I dont't have any of these device. 
Monday, 21 October 2019 - 08:29
Atmega328p vs Atmega32
OK, but I forget to emphasize one thing. I only have the chinese JTAG-ICE device, for one-wire debug applications I don't have interface. To keep it simple, please forget about...
Monday, 21 October 2019 - 08:21
Atmega328p vs Atmega32
The frequency is 8MHz, and the fuses set to work with external capacitor. I power it from a power bank, directly, not via the JTAG or USBAsp. 
Monday, 21 October 2019 - 07:49
Atmega328p vs Atmega32
For the Mega328 i have no debugger, just an ISP programmer
Sunday, 20 October 2019 - 21:24

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