Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

system console, external memory, multiple masters

Hi guys Im fairly new here. Im working with a cyclone V GX board and have used qsys to add a memory controller in my nios code to control some lpddr memory on the eval board. Im u...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

So i quickly tried

alt_u16 divisorSetting = IORD_ALTERA_AVALON_UART_DIVISOR(UART_0_BASE);

and that spit out 5208 so doing that math, my baud rate would be 9600

I do have the "change the baudrate via SW" button checked, but it used to be disabled in a previous build. ill redo everything and see if things dont jive then

But assuming that IORD_ALTERA_AVALON_UART_DIVISOR(UART_0_BASE) yields a correct divisor (i do have qsys calling for 9600), then the ftdi is modifying the qsys rate and kicking something else out.

im going to look at ftdi config...