Search found 5 matches

by Ipin17
Tue Dec 31, 2019 4:35 am
Forum: Dot Matrix Display
Topic: Arduino mega using dmd library (SOLVED)
Replies: 8
Views: 611

Re: Arduino mega using dmd library (SOLVED)

Thanks Brissieboy,

This case may help others that have same problem like me ;)
by Ipin17
Mon Dec 30, 2019 2:19 pm
Forum: Dot Matrix Display
Topic: Arduino mega using dmd library (SOLVED)
Replies: 8
Views: 611

Re: Arduino mega using dmd library (SOLVED)

Gotcha, i finally found the culprit i replace PIN_OTHER_SPI_nCS value in dmd.h, before 10, i try to change to 1, and dmd panel displays correctly with mega #define PIN_OTHER_SPI_nCS 1 // Original value is 10 i change it to 1 is no specific, because i'm not using another module that use spi pins othe...
by Ipin17
Mon Dec 30, 2019 1:02 am
Forum: Dot Matrix Display
Topic: Arduino mega using dmd library (SOLVED)
Replies: 8
Views: 611

Re: Arduino mega using dmd library

Hi Brissieboy, Yes i change pin assignments in dmd.h like this : #define PIN_DMD_A 6 // D6 #define PIN_DMD_B 7 // D7 #define PIN_DMD_CLK 52 // D13_SCK is SPI Clock if SPI is used #define PIN_DMD_SCLK 8 // D8 #define PIN_DMD_R_DATA 51 // D11_MOSI is SPI Master Out if SPI is used Is it correct?. Last ...
by Ipin17
Sun Dec 29, 2019 10:58 am
Forum: Dot Matrix Display
Topic: Arduino mega using dmd library (SOLVED)
Replies: 8
Views: 611

Re: Arduino mega using dmd library

Thanks brissieboy, Im sure there are no pin unconnected, for your info, if i try to rum dmd2 library, it works correctly with its marquee demo (i change dmd2.cpp pin assignment using mega spi pin). Same at pulldown/pullup resistor, i also already try yesterday using 10k resistor between noe and gnd ...
by Ipin17
Sun Dec 29, 2019 8:30 am
Forum: Dot Matrix Display
Topic: Arduino mega using dmd library (SOLVED)
Replies: 8
Views: 611

Arduino mega using dmd library (SOLVED)

Hi, Sorry if my subject may exist before, i try to search but not find with users has a problem like me. I already using dmd library for my uno, but later i need more bigger flash and ram also, so i try to using my mega 2560 to running my old code. I know mega has different spi pin using 51 and 52. ...