Posted on January 21, 2017 at 11:3247K pull up is up to me too weak (i had this value on my problematic proto SD board), it was perfectly fin ewith some sd card but not all.it was http://store.digilentinc.com/pmod-sd-full-sized-sd-card-slot/ but ...
Posted on January 19, 2017 at 21:06What is the SDIO clk divider set too ? try to slow down clk see if it help.Are all pin assigned to sdio set to fast ? enabling internal pull-up may help if onboard pull up are to weak.With flying wired SD conne...
Posted on April 24, 2015 at 18:10just got to found that issue myslef ... use critical section or disable interrupt prior to call the HAL driver functon when not in isr. if that function also use time base ofn tick then ther's ,no solution :( HAL...
Posted on April 24, 2015 at 17:35
to make HAL driver usable with freetos you best redifined (overload) HAL_GetTick() to rely on you any timer at 1000Hz
free rtos bring the systick interrupt to lower level that will many time out in variuosu ...