rds input via ipc - experimental (hence it is on 61.75 - the only unused frequncy

lib/ipc.c

@@ -6,8 +6,7 @@
 #include <pthread.h>
 #include <sys/un.h>
 
-static int make_server_socket(const char *path)
-{
+static int make_server_socket(const char *path) {
     int fd = socket(AF_UNIX, SOCK_STREAM, 0);
     if (fd < 0) { perror("ipc: socket"); return -1; }
 
@@ -63,13 +62,11 @@ static void *listener_thread(void *arg) {
     return NULL;
 }
 
-int create_ipc(ipc_ctx_t *ctx, ipc_client_fn handler,
-               const char *socket_path, void *user_data)
-{
-    ctx->handler     = handler;
-    ctx->user_data   = user_data;
-    ctx->running     = 1;
-    ctx->server_fd   = make_server_socket(socket_path);
+int create_ipc(ipc_ctx_t *ctx, ipc_client_fn handler, const char *socket_path, void *user_data) {
+    ctx->handler = handler;
+    ctx->user_data = user_data;
+    ctx->running = 1;
+    ctx->server_fd = make_server_socket(socket_path);
     ctx->socket_path = strdup(socket_path);
     if (ctx->server_fd < 0) return -1;
 

lib/oscillator.c

@@ -30,7 +30,10 @@ float get_oscillator_cos_multiplier_ni(Oscillator *osc, float multiplier) {
 	return cosf(osc->phase * multiplier);
 }
 
-inline void advance_oscillator(Oscillator *osc) {
+inline bool advance_oscillator(Oscillator *osc) {
 	osc->phase += osc->phase_increment;
-	if (osc->phase >= M_2PI) osc->phase -= M_2PI;
+	if (osc->phase >= M_2PI) {
+		osc->phase -= M_2PI;
+		return true;
+	} return false;
 }

lib/oscillator.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "constants.h"
+#include <stdbool.h>
 #include <math.h>
 
 typedef struct {
@@ -15,4 +16,4 @@ float get_oscillator_sin_sample(Oscillator *osc);
 float get_oscillator_cos_sample(Oscillator *osc);
 float get_oscillator_sin_multiplier_ni(Oscillator *osc, float multiplier);
 float get_oscillator_cos_multiplier_ni(Oscillator *osc, float multiplier);
-void advance_oscillator(Oscillator *osc);
+bool advance_oscillator(Oscillator *osc);