From c025a95f58f167302d16d9015b129d99f4d0b3a2 Mon Sep 17 00:00:00 2001
From: Paolo <lallero.31@gmail.com>
Date: Wed, 4 Jun 2025 11:52:41 +0200
Subject: [PATCH] test functions to receive data

---
 test/plugin.h     | 12 ++++++++++++
 test/plugin_ui.h  | 16 ++++++++++++++++
 test/product.json |  3 +++
 3 files changed, 31 insertions(+)

diff --git a/test/plugin.h b/test/plugin.h
index 946b062..4274ca1 100644
--- a/test/plugin.h
+++ b/test/plugin.h
@@ -179,3 +179,15 @@ static int plugin_state_load(const plugin_state_callbacks *cbs, float cur_sample
 	cbs->unlock(cbs->handle);
 	return 0;
 }
+
+#include <stdio.h>
+#if TEMPLATE_SUPPORTS_MESSAGING
+static void plugin_receive_from_ui (plugin *instance, const void *data, size_t bytes) {
+	(void) instance;
+	printf("plugin_receive_from_ui %ld bytes at %p: \n", bytes, data);
+	for (size_t i = 0; i < bytes; i++) {
+		printf("%d ", ((uint8_t*) data)[i]);
+	}
+	printf("plugin_receive_from_ui END \n");
+}
+#endif
diff --git a/test/plugin_ui.h b/test/plugin_ui.h
index 63cc82a..f37acbf 100644
--- a/test/plugin_ui.h
+++ b/test/plugin_ui.h
@@ -38,6 +38,19 @@ typedef struct {
 	plugin_ui_callbacks	cbs;
 } plugin_ui;
 
+#if TEMPLATE_SUPPORTS_MESSAGING
+static void plugin_ui_receive_from_dsp (plugin_ui *instance, const void *data, size_t bytes) {
+	(void) instance;
+	printf("plugin_ui_receive_from_ui %ld bytes at %p: \n", bytes, data);
+	for (size_t i = 0; i < bytes; i++) {
+		printf("%d ", ((uint8_t*) data)[i]);
+	}
+	printf("plugin_ui_receive_from_ui END \n");
+}
+#endif
+#define RANDOM_DATA_SIZE 11
+const uint8_t random_data[RANDOM_DATA_SIZE] = { 2, 3, 4, 5, 6, 7, 8, 9, 6, 9, 6 };
+
 #define WIDTH		600.0
 #define HEIGHT		400.0
 
@@ -112,6 +125,9 @@ static void on_mouse_release (window *win, int32_t x, int32_t y, uint32_t state)
 			pui->bypass = !pui->bypass;
 			pui->cbs.set_parameter(pui->cbs.handle, 3, pui->bypass ? 1.f : 0.f);
 			draw_button(pui, 3, pui->bypass);
+#if TEMPLATE_SUPPORTS_MESSAGING
+			pui->cbs.send_to_dsp(pui->cbs.handle, (const void*) random_data, RANDOM_DATA_SIZE);
+#endif
 		}
 
 	if (pui->param_down != -1) {
diff --git a/test/product.json b/test/product.json
index 5c4f5cc..865a35f 100644
--- a/test/product.json
+++ b/test/product.json
@@ -138,6 +138,9 @@
 			"userResizable": true,
 			"selfResizable": false
 		},
+		"messaging": {
+			"maxSize": 10240
+		},
 		"state": {
 			"dspCustom": true
 		}