Extracted from Global afb-audio repo

1 files changed, 101 insertions, 0 deletions

diff --git a/MOST_UNICENS/ucs2-vol/inc/device_value.h b/MOST_UNICENS/ucs2-vol/inc/device_value.h
new file mode 100644
index 0000000..bc8f142
--- /dev/null
+++ b/MOST_UNICENS/ucs2-vol/inc/device_value.h
@@ -0,0 +1,101 @@
+/*
+ * 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 DEVICEVALUE_H
+#define	DEVICEVALUE_H
+
+#include <stdint.h>
+#include "libmostvolume.h"
+
+struct SRxMessage {
+    uint32_t devInst;   /*instance if multiple devices are using the same group id*/
+    uint32_t sourceAddr;
+    uint32_t targetAddr;
+    uint32_t nFBlock;
+    uint32_t nInst;
+    uint32_t nFunc;
+    uint32_t nOpType;
+    const uint8_t *pPayload;
+    uint32_t payloadLen;
+};
+
+struct STxMessage {
+    uint32_t devInst;   /*instance if multiple devices are using the same group id*/
+    uint32_t targetAddr;
+    uint32_t nFBlock;
+    uint32_t nInst;
+    uint32_t nFunc;
+    uint32_t nOpType;
+    const uint8_t *pPayload;
+    uint32_t payloadLen;
+};
+
+enum DeviceValueType {
+    DEVICE_VAL_MASTER = 0,
+    DEVICE_VAL_LEFT = 1,
+    DEVICE_VAL_RIGHT = 2
+
+};
+
+class CDeviceValue {
+public:
+    CDeviceValue(uint16_t address, DeviceValueType type, uint16_t key);
+    virtual ~CDeviceValue();
+
+    uint16_t GetKey(){return _key;}
+    DeviceValueType GetType(){return _type;}        // returns the assigned type
+    void SetValue(uint8_t value){_target_value = value;}   // sets desired value
+
+    bool RequiresUpdate();      // returns true if target is not actual value
+                                // returns true if success, false if failed
+                                // -> stop transmission
+    bool FireUpdateMessage(lib_most_volume_writei2c_cb_t writei2c_fptr,
+                           lib_most_volume_writei2c_result_cb_t result_fptr,
+                           void *result_user_ptr);// fires message & updates actual value
+    
+    void SetAvailable(bool active){this->_is_available = active; _actual_value = 0x01u;}
+    bool IsAvailable() {return this->_is_available;}
+    uint16_t GetAddress() {return this->_address;}
+
+private:
+    void ApplyMostValue(uint8_t value, DeviceValueType type, uint8_t tx_payload[]);
+    void HandleI2cResult(uint8_t result);
+    static void OnI2cResult(uint8_t result, void *obj_ptr);
+
+    bool     _is_available;     // related node is available
+    bool     _is_busy;          // do not update while busy
+    DeviceValueType _type;      // determines the remote i2c command
+    uint16_t _key;              // lookup key
+    uint16_t _address;          // target node/group address
+    uint8_t  _target_value;     // desired value
+    uint8_t  _transmitted_value;// value pending during transmission        
+    uint8_t  _actual_value;     // value set and confirmed via network
+    uint8_t  _tx_payload[20];
+    uint8_t  _tx_payload_sz;
+    
+    lib_most_volume_writei2c_result_cb_t _result_fptr;
+    void *_result_user_ptr;
+};
+
+#endif	/* DEVICEPROPERTY_H */
+