topic Re: time_delay_ticks in mqx in MQX Software Solutions https://community.nxp.com/t5/MQX-Software-Solutions/time-delay-ticks-in-mqx/m-p/550665#M16475 <HTML><HEAD></HEAD><BODY><P>Hi Antony:</P><P></P><P>The default system tick in MQX is 5ms. This is the smallest unit of the time that clocks the scheduler.</P><P>It is not possible to have a delay shorter than 5 milliseconds without modifying the BSP. Each BSP can have a different value in the Macro "#define BSP_ALARM_FREQUENCY 200". This macro defines the number of ticks per second. This means each tick is 5 milliseconds.</P><P></P><P>time_delay is for some time sensitive situation, if you need precise time, you can use hardware timer. I attached a document to describer its usage.</P><P></P><P>Have a nice day!</P><P></P><P>Regards</P><P>Daniel</P></BODY></HTML> Fri, 08 Jul 2016 08:59:40 GMT danielchen 2016-07-08T08:59:40Z time_delay_ticks in mqx https://community.nxp.com/t5/MQX-Software-Solutions/time-delay-ticks-in-mqx/m-p/550664#M16474 <HTML><HEAD></HEAD><BODY><P>my system is based on kl26 and mqx . tick is1ms . when I use time_delay_ticks(240000），the real delay time is 7 or 8 minutes. could you help me. thanks</P></BODY></HTML> Fri, 08 Jul 2016 05:36:05 GMT https://community.nxp.com/t5/MQX-Software-Solutions/time-delay-ticks-in-mqx/m-p/550664#M16474 antonychen2008 2016-07-08T05:36:05Z Re: time_delay_ticks in mqx https://community.nxp.com/t5/MQX-Software-Solutions/time-delay-ticks-in-mqx/m-p/550665#M16475 <HTML><HEAD></HEAD><BODY><P>Hi Antony:</P><P></P><P>The default system tick in MQX is 5ms. This is the smallest unit of the time that clocks the scheduler.</P><P>It is not possible to have a delay shorter than 5 milliseconds without modifying the BSP. Each BSP can have a different value in the Macro "#define BSP_ALARM_FREQUENCY 200". This macro defines the number of ticks per second. This means each tick is 5 milliseconds.</P><P></P><P>time_delay is for some time sensitive situation, if you need precise time, you can use hardware timer. I attached a document to describer its usage.</P><P></P><P>Have a nice day!</P><P></P><P>Regards</P><P>Daniel</P></BODY></HTML> Fri, 08 Jul 2016 08:59:40 GMT https://community.nxp.com/t5/MQX-Software-Solutions/time-delay-ticks-in-mqx/m-p/550665#M16475 danielchen 2016-07-08T08:59:40Z Re: time_delay_ticks in mqx https://community.nxp.com/t5/MQX-Software-Solutions/time-delay-ticks-in-mqx/m-p/550666#M16476 <HTML><HEAD></HEAD><BODY><P><BR />Thanks your document</P></BODY></HTML> Fri, 08 Jul 2016 12:37:56 GMT https://community.nxp.com/t5/MQX-Software-Solutions/time-delay-ticks-in-mqx/m-p/550666#M16476 antonychen2008 2016-07-08T12:37:56Z