FreeCalypso > hg > fc-pcm-if
changeset 12:23555b9a1c20
fc-mcsi-rxtx: implement pcm-fill command
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Mon, 28 Oct 2024 06:52:33 +0000 |
| parents | e93a11f44e6f |
| children | 315428573a25 |
| files | sw/mcsi-rxtx/tx_func.c sw/mcsi-rxtx/usercmd.c |
| diffstat | 2 files changed, 26 insertions(+), 0 deletions(-) [+] |
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--- a/sw/mcsi-rxtx/tx_func.c Mon Oct 28 06:34:42 2024 +0000 +++ b/sw/mcsi-rxtx/tx_func.c Mon Oct 28 06:52:33 2024 +0000 @@ -4,6 +4,7 @@ */ #include <sys/types.h> +#include <ctype.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> @@ -46,3 +47,26 @@ do_idle_fill(tx_samples); emit_uart_output(tx_samples); } + +void +cmd_pcm_fill(argc, argv) + char **argv; +{ + u_long val; + char *endp; + + if (argc < 2) { + printf("%04x\n", pcm_fill_word); + return; + } + if (!isxdigit(argv[1][0])) { +inv: printf("error: pcm-fill argument is not a valid hex word\n"); + return; + } + val = strtoul(argv[1], &endp, 16); + if (*endp) + goto inv; + if (val > 0xFFFF) + goto inv; + pcm_fill_word = val; +}
--- a/sw/mcsi-rxtx/usercmd.c Mon Oct 28 06:34:42 2024 +0000 +++ b/sw/mcsi-rxtx/usercmd.c Mon Oct 28 06:52:33 2024 +0000 @@ -11,6 +11,7 @@ extern char usercmd[]; +extern void cmd_pcm_fill(); extern void cmd_print_rx(); static void @@ -27,6 +28,7 @@ void (*func)(); } cmdtab[] = { {"exit", 0, 0, cmd_exit}, + {"pcm-fill", 0, 1, cmd_pcm_fill}, {"print-rx", 0, 0, cmd_print_rx}, {"quit", 0, 0, cmd_exit}, {0, 0, 0, 0}