From 4c831539a8b4818edaa99bc9cdf3a43faedd603b Mon Sep 17 00:00:00 2001
From: Aadi Desai <21363892+supleed2@users.noreply.github.com>
Date: Mon, 22 May 2023 13:26:37 +0100
Subject: [PATCH] Add ifdefs for CSR in note header and source

---
 demo/note     | 2 ++
 demo/note.cpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/demo/note b/demo/note
index df43a78..e8b3eb2 100644
--- a/demo/note
+++ b/demo/note
@@ -4,8 +4,10 @@
 
 // Function Definition
 
+#ifdef CSR_AUDIO_BASE
 void note(uint32_t frequency, unsigned int duration_ms);
 void wave(uint32_t wave);
+#endif
 
 // Notes
 
diff --git a/demo/note.cpp b/demo/note.cpp
index e89c69d..dd8d0ce 100644
--- a/demo/note.cpp
+++ b/demo/note.cpp
@@ -1,6 +1,7 @@
 #include <generated/csr.h>
 #include <stdint.h>
 
+#ifdef CSR_AUDIO_BASE
 void note(uint32_t frequency, unsigned int duration_ms) {
 	audio_targ0_write(frequency);
 	busy_wait(duration_ms);
@@ -10,3 +11,4 @@ void note(uint32_t frequency, unsigned int duration_ms) {
 void wave(uint32_t wave) {
 	audio_wave0_write(wave);
 }
+#endif