Cortex Authority Manual – CMSIS-DSP Library
Basic Mathematical Operations Addition #include "arm_math.h" arm_status arm_add_q7(q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, uint32_t blockSize) { for (uint32_t i = 0; i < blockSize; i++) { pDst[i] = (q7_t)(__SSAT(((__q7_t)pSrcA[i] + (__q7_t)pSrcB[i]), 8)); } return ARM_MATH_SUCCESS; } Subtraction arm_status arm_sub_q7(q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, uint32_t blockSize) { for (uint32_t i = 0; i < blockSize; … Read more