Diff: sample_programs/sample_11_usb_func_audio_1.cpp

Revision:

0:b4c1e32627f2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sample_programs/sample_11_usb_func_audio_1.cpp	Mon Oct 12 02:25:49 2020 +0000
@@ -0,0 +1,51 @@
+/*******************************************************************************
+* DISCLAIMER
+* This software is supplied by Renesas Electronics Corporation and is only
+* intended for use with Renesas products. No other uses are authorized. This
+* software is owned by Renesas Electronics Corporation and is protected under
+* all applicable laws, including copyright laws.
+* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
+* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
+* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
+* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
+* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
+* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
+* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
+* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+* Renesas reserves the right, without notice, to make changes to this software
+* and to discontinue the availability of this software. By using this software,
+* you agree to the additional terms and conditions found by accessing the
+* following link:
+* http://www.renesas.com/disclaimer
+*
+* Copyright (C) 2019 Renesas Electronics Corporation. All rights reserved.
+*******************************************************************************/
+#include "sample_select.h"
+
+#if (SAMPLE_PROGRAM_NO == 11)
+// SAMPLE_PROGRAM_NO 11 : USBAudio sample
+//
+// Audio loopback example use:
+// 1. Select "Mbed Audio" as your sound device
+// 2. Play a song or audio file
+// 3. Record the output using a program such as Audacity
+// [Attention!] Delete the "OVERRIDE_CONSOLE_USBSERIAL" macro in "mbed_app.json" file if it is set.
+
+#include "mbed.h"
+#include "USBAudio.h"
+
+int main() {
+    USBAudio audio(true, 44100, 2, 44100, 2);
+
+    printf("Looping audio\r\n");
+    static uint8_t buf[128];
+    while (true) {
+        if (!audio.read(buf, sizeof(buf))) {
+            memset(buf, 0, sizeof(buf));
+        }
+        audio.write(buf, sizeof(buf));
+    }
+}
+
+#endif