FreeCalypso > hg > fc-pcm-if
view sw/mcsi-rxtx/rx_samples.c @ 11:e93a11f44e6f
fc-mcsi-rxtx: implement basic Tx
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 28 Oct 2024 06:34:42 +0000 |
parents | c1d9b5d128f5 |
children | 315428573a25 |
line wrap: on
line source
/* * In this module we handle PCM samples received from MCSI via the FPGA. */ #include <sys/types.h> #include <stdio.h> extern int is_active; u_short rx_pcm_samples[160]; void process_rx_block(buf) u_char *buf; { unsigned n, samp; u_char *sp; sp = buf; for (n = 0; n < 160; n++) { samp = ((unsigned) sp[1] << 8) | ((unsigned) sp[0]); rx_pcm_samples[n] = samp; } } void cmd_print_rx() { unsigned i, j, n; if (!is_active) { printf("Rx is not active\n"); return; } n = 0; for (i = 0; i < 10; i++) { for (j = 0; j < 16; j++) { printf("%04x", rx_pcm_samples[n++]); if (j == 15) putchar('\n'); else putchar(' '); } } }