Honored Contributorhi ,
i am done with my qsys design . now i want to move to the next steps. i wan to send data from my nios II processor to the custom Component ( encoder) , i created. can any one suggest me any example codes. i need to send a 32 bit data to the custom component from nios II processor. please do suggest me ...
Honored Contributoradd 32 bit PIO from u r qsys (i haven't much idia about qsys, i am using SOPC builder) , and write u r data on this bus using u r c- code,
don't forget to add this 32 bus to u r nios-ii symbol.Honored ContributorHonored ContributorMaybe you can memory map to address and r/w from that or use pio
Honored Contributori am asking can anyone give me a C code for communication from nios II processor to some custom block i created. i am done with qsys. it is compiled. no issues. please do help with the c code
Honored Contributorho about
///////////////////////// c code (^v^ )///////////////////////////////////////// # include <io.h> # include <system.h> ..... short pio_button; pio_button = IORD_16DIRECT(PIO_BUTTON_BASE,0); IOWR_16DIRECT(PIO_LED_BASE,0,pio_button); /////////////////////////////////////////////////////////////////////////////////// IORD_16DIRECT is reading register from address of PIO_BUTTON_BASE IOWR_16DIRECT is writing data to PIO_LED_BASE those base addresses are written in <system.h> serch IOWR_*DIRECT functions
