--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sw/mcsi-rxtx/record.c	Mon Oct 28 07:24:53 2024 +0000
@@ -0,0 +1,59 @@
+/*
+ * Here we implement the functionality of recording MCSI Rx streams
+ * into robe files.
+ */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+extern u_short rx_pcm_samples[160];
+
+static FILE *record_file;
+
+void
+record_process()
+{
+	unsigned n, samp;
+
+	if (!record_file)
+		return;
+	for (n = 0; n < 160; n++) {
+		samp = rx_pcm_samples[n];
+		putc(samp >> 8, record_file);
+		putc(samp, record_file);
+	}
+}
+
+void
+record_auto_stop()
+{
+	if (!record_file)
+		return;
+	fclose(record_file);
+	record_file = 0;
+}
+
+void
+cmd_record(argc, argv)
+	char **argv;
+{
+	if (record_file) {
+		printf("error: recording already in progress\n");
+		return;
+	}
+	record_file = fopen(argv[1], "w");
+	if (!record_file)
+		perror(argv[1]);
+}
+
+void
+cmd_record_stop()
+{
+	if (!record_file) {
+		printf("error: no recording in progress\n");
+		return;
+	}
+	fclose(record_file);
+	record_file = 0;
+}