---

#ifdef MY_CODE
/* 
 * Allocate static stack buffers inside the high-speed DTCM section.
 * Increased input (microphone) stack to 3072 bytes for safe Speex-16 encoding execution.
 */
#define PA_OUT_STACK_SIZE 2048
#define PA_IN_STACK_SIZE  3072

static uint8_t __aligned(4) pa_out_dtcm_stack[PA_OUT_STACK_SIZE] __attribute__((section(".dtcm_data")));
static uint8_t __aligned(4) pa_in_dtcm_stack[PA_IN_STACK_SIZE]   __attribute__((section(".dtcm_data")));
#endif
    pthread_attr_init(&pa_stream->threadAttr);

#ifdef MY_CODE
    /* 
     * Dynamically map the appropriate fast DTCM stack memory pointer 
     * based on whether the thread acts as an audio input or output stream.
     */
    if (outputParameters) {
        ret = pthread_attr_setstack(&pa_stream->threadAttr, 
                                    pa_out_dtcm_stack, 
                                    PA_OUT_STACK_SIZE);
    } else {
        ret = pthread_attr_setstack(&pa_stream->threadAttr, 
                                    pa_in_dtcm_stack, 
                                    PA_IN_STACK_SIZE);
    }
    
    if (ret != 0) {
        printf("[POSIX_STACK] ERROR: Failed to assign DTCM memory to thread attributes: %d\n", ret);
        return -1;
    }
#else
    pthread_attr_setstacksize(&pa_stream->threadAttr, 2048);
#endif

    ret = pthread_create(&pa_stream->pa_thread, &pa_stream->threadAttr, 
                         outputParameters ? pa_thread_hnd_out : pa_thread_hnd_in, 
                         pa_stream);