FreeCalypso > hg > fc-pcm-if
view sw/mcsi-rxtx/rx_samples.c @ 16:f422d19c0118 default tip
fc-mcsi-rxtx: fix bug in PCM sample Rx
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Tue, 29 Oct 2024 01:41:33 +0000 |
parents | 315428573a25 |
children |
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/* * 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; sp += 2; } record_process(); } 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(' '); } } }