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authorFulup Ar Foll <fulup@iot.bzh>2017-05-26 18:45:56 +0200
committerFulup Ar Foll <fulup@iot.bzh>2017-05-26 18:45:56 +0200
commitd2e42029ec04c3f224580f8007cdfbbfe0fc47a6 (patch)
treead2ccf167cf7997c84191d41e6ba55cb2efd6bed /ucs2-vol/inc/libmostvolume.h
parent18e393e1443fd4c38b34979888fb55d30448cf31 (diff)
Initial Commit
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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 */
+