Initial Commit

1 files changed, 84 insertions, 0 deletions

diff --git a/ucs2-vol/inc/libmostvolume.h b/ucs2-vol/inc/libmostvolume.h
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+++ b/ucs2-vol/inc/libmostvolume.h
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+/*
+ * libmostvolume example
+ *
+ * Copyright (C) 2017 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#ifndef LIB_MOST_VOLUME_H
+#define	LIB_MOST_VOLUME_H
+
+#include "ucs_api.h"
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+    
+/** Describes the volume control */
+enum lib_most_volume_channel_t{
+    LIB_MOST_VOLUME_CH_FRONT_LEFT   = 0,
+    LIB_MOST_VOLUME_CH_FRONT_RIGHT  = 1,
+    LIB_MOST_VOLUME_CH_REAR_LEFT    = 2,
+    LIB_MOST_VOLUME_CH_REAR_RIGHT   = 3,
+    LIB_MOST_VOLUME_CH_CENTER       = 4,
+    LIB_MOST_VOLUME_CH_SUB          = 5,
+    LIB_MOST_VOLUME_MASTER          = 6
+};
+
+/** Is fired when the application shall call "lib_most_volume_service()" after a certain time
+  * \param timeout  Time in ms after which the application shall call lib_most_volume_service().
+  *                 Valid values:
+  *                 0x0000: as soon as possible,
+  *                 0x0001..0xFFFE: timeout in ms, 
+  *                 0xFFFF: never
+  */
+typedef void (*lib_most_volume_service_cb_t)(uint16_t timeout);
+
+/** Initializes the library
+  * \param   unicens_inst       Reference to the UNICENS instance, created by the application.
+  * \param   req_service_fptr   Callback function which is fired if the application shall call 
+  *                             lib_most_volume_service.
+  * \return  '0' on success, otherwise value >'0'.  
+  */
+extern uint8_t lib_most_volume_init(Ucs_Inst_t *unicens_inst, lib_most_volume_service_cb_t req_service_fptr);
+
+/** Terminates the library
+  * \return  '0' on success, otherwise value >'0'.
+  */
+extern uint8_t lib_most_volume_exit(void);
+
+/** Sets a single volume value.
+  * \param   channel        The volume control to be set.
+  * \param   volume         The volume value to be set. Valid values: 0..255.
+  * \return  '0' on success, otherwise value >'0'.
+  */
+extern uint8_t lib_most_volume_set(enum lib_most_volume_channel_t channel, uint8_t volume);
+
+/** Shall be called either cyclically (e.g. 50ms -> polling) or after "timeout" 
+  * when "service_fptr" is fired (-> event triggered).
+  * \return  '0' on success, otherwise value >'0'.
+  */ 
+extern uint8_t lib_most_volume_service(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* LIB_MOST_VOLUME_H */
+