alt_timestamp_start() return -1

[Altera_Forum]

hi 

i build nios system with timer and set the bsp (timestamp,timer) compile is ok but when i run the alt_timestamp_start() get -1 and alt_timestamp() also return -1  !! the nticks() work good  i read post from 2005 ""I can't see it clearly, but I think you set both your sys_clk_timer and timestamp_timer to be timer0? Can you disable the sys_clk_timer instead? Also remember to press the generate button."" i was do this mistake too should i fix this ??  i fix that ""sys_clk_timer and timestamp_timer can not be timer0?"" i disable the sys_clk_timer on the bsp editor   tzahi

[Balle2]

""I can't see it clearly, but I think you set both your sys_clk_timer and timestamp_timer to be timer0? Can you disable the sys_clk_timer instead? Also remember to press the generate button."" 

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[dsmirnov]

Check out this theme, looks like the same

https://forums.intel.com/s/question/0D50P00004AzEOPSA3/niosll-interval-timer-is-not-enabled