• CMSIS-DSP on ARMv8-m
    Hi, I'm reading through the sources of CMSIS-DSP and came across the following question: The define of "ARM_MATH_DSP" is only set if the target architecture is "ARM_ARCH_7EM". Does this mean, that all...
  • RFFT CMSIS-DSP - Fluctuating index
    I am using the Cortex M4 with CMSIS 5.4.0 DSP library. I'm using the arm_rfft_f32() function and the max_arm_f32() function to compute the maximum frequency bin of injected pure sine wave with an external...
  • 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...
  • Feature Comparison ARM v8 series
    Hi Experts, Please specify is there any document on the Cortex A series comparison sheet for the various properties. For example, Table 2.1 in the https://static.docs.arm.com/den0024/a/DEN0024A_v8_architecture_PG...
  • How to prepare ADC data for Q31_t CMSIS DSP functions?
    Hi to you all, I've another post on the forum (here's the link Process ADC data, moved by DMA, using CMSIS DSP: what's the right way? ), but since I think I made some small steps forward I felt I could...