fl2k_fm: add stereo and RDS support

Signed-off-by: Steve Markgraf <steve@steve-m.de>

1 files changed, 38 insertions, 0 deletions

diff --git a/include/rds_mod.h b/include/rds_mod.h
new file mode 100644
index 0000000..682e77c
--- /dev/null
+++ b/include/rds_mod.h
@@ -0,0 +1,38 @@
+/*
+ * RDS Modulator from:
+ * PiFmRds - FM/RDS transmitter for the Raspberry Pi
+ * https://github.com/ChristopheJacquet/PiFmRds
+ * 
+ * Copyright (C) 2014 by Christophe Jacquet, F8FTK
+ *
+ * adapted for use with fl2k_fm:
+ * Copyright (C) 2018 by Steve Markgraf <steve@steve-m.de>
+ *
+ * SPDX-License-Identifier: GPL-3.0+
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef RDS_H
+#define RDS_H
+
+#define RDS_MODULATOR_RATE	(57000 * 4)
+
+void get_rds_samples(double *buffer, int count);
+void set_rds_pi(uint16_t pi_code);
+void set_rds_rt(char *rt);
+void set_rds_ps(char *ps);
+void set_rds_ta(int ta);
+
+#endif /* RDS_H */