• cm7 and cm4 comparison
    hi, i am trying to evaluate and compare the performance of cm4 and cm7 by running CMSIS function arm_dot_q15. the cycle count is obtained as follows cm4 ======>934 cm7======>934 i understand that...
  • cm7 and cm4 comparison
    hi, i am trying to evaluate and compare the performance of cm4 and cm7 by running CMSIS function arm_dot_q15. the cycle count is obtained as follows cm4 ======>934 cm7======>934 i understand that...
  • Math library
    Hi.. I need to use the cos and sin functions. what are the libraries I need to add ? is it only <math.h> ? if yes, i tried that and i got error message: /cygdrive/h/Ex3/FFT/FFT.c(45): error: undefined...
  • Math library
    Hi.. I need to use the cos and sin functions. what are the libraries I need to add ? is it only <math.h> ? if yes, i tried that and i got error message: /cygdrive/h/Ex3/FFT/FFT.c(45): error: undefined...
  • In CM7, how NVIC distinguishes pulse and level interrupts?
    Apologizing for a naïve question... but I cannot figure out from this description, how the NVIC knows is a particular interrupt input level or pulse? https://developer.arm.com/documentation/ddi0489...