runtime :)

src/pifmrds/control_pipe.c

@@ -139,6 +139,12 @@ ResultAndArg poll_control_pipe() {
 			set_rds_rt(arg);
 			printf("RT B set to: \"%s\"\n", arg);
 			resarg.res = CONTROL_PIPE_RT_SET;
+		} else if(fifo[0] == 'R' && fifo[1] == 'D' && fifo[2] == 'S') {
+			int rds = ( strcmp(arg, "ON") == 1 );
+			printf("Set RDS to ");
+			if(rds) printf("ON\n"); else printf("OFF\n");
+			resarg.res = CONTROL_PIPE_RDS_SET;
+			resarg.arg = rds;
 		}
 	}
 	return resarg;

src/pifmrds/control_pipe.h

@@ -14,6 +14,7 @@
 #define CONTROL_PIPE_AB_SET 7
 #define CONTROL_PIPE_PI_SET 8
 #define CONTROL_PIPE_PWR_SET 9
+#define CONTROL_PIPE_RDS_SET 10
 
 typedef struct {
     int res;

src/pifmrds/pi_fm_rds.cpp

@@ -187,6 +187,8 @@ int tx(uint32_t carrier_freq, char *audio_file, uint16_t pi, char *ps, char *rt,
             ResultAndArg pollResult = poll_control_pipe();
             if(pollResult.res == CONTROL_PIPE_PS_SET) {
                 varying_ps = 0;
+            } else if(pollResult.res == CONTROL_PIPE_RDS_SET) {
+                drds = pollResult.arg;
             }
         }