first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2022, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef USBD_AUDIO_H
+#define USBD_AUDIO_H
+
+#include "usb_audio.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct audio_entity_info {
+    uint8_t bDescriptorSubtype;
+    uint8_t bEntityId;
+    uint8_t ep;
+};
+
+/* Init audio interface driver */
+struct usbd_interface *usbd_audio_init_intf(uint8_t busid, struct usbd_interface *intf,
+                                            uint16_t uac_version,
+                                            struct audio_entity_info *table,
+                                            uint8_t num);
+
+void usbd_audio_open(uint8_t busid, uint8_t intf);
+void usbd_audio_close(uint8_t busid, uint8_t intf);
+
+void usbd_audio_set_volume(uint8_t busid, uint8_t ep, uint8_t ch, int volume_db);
+int usbd_audio_get_volume(uint8_t busid, uint8_t ep, uint8_t ch);
+void usbd_audio_set_mute(uint8_t busid, uint8_t ep, uint8_t ch, bool mute);
+bool usbd_audio_get_mute(uint8_t busid, uint8_t ep, uint8_t ch);
+void usbd_audio_set_sampling_freq(uint8_t busid, uint8_t ep, uint32_t sampling_freq);
+uint32_t usbd_audio_get_sampling_freq(uint8_t busid, uint8_t ep);
+
+void usbd_audio_get_sampling_freq_table(uint8_t busid, uint8_t ep, uint8_t **sampling_freq_table);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* USBD_AUDIO_H */