/*
 * BLE2904.h
 *
 *  Created on: Dec 23, 2017
 *      Author: kolban
 */

#ifndef COMPONENTS_CPP_UTILS_BLE2904_H_
#define COMPONENTS_CPP_UTILS_BLE2904_H_
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)

#include "BLEDescriptor.h"

struct BLE2904_Data {
	uint8_t  m_format;
	int8_t   m_exponent;
	uint16_t m_unit;      // See https://www.bluetooth.com/specifications/assigned-numbers/units
	uint8_t  m_namespace;
	uint16_t m_description;

} __attribute__((packed));

/**
 * @brief Descriptor for Characteristic Presentation Format.
 *
 * This is a convenience descriptor for the Characteristic Presentation Format which has a UUID of 0x2904.
 *
 * See also:
 * https://www.bluetooth.com/specifications/gatt/viewer?attributeXmlFile=org.bluetooth.descriptor.gatt.characteristic_presentation_format.xml
 */
class BLE2904: public BLEDescriptor {
public:
	BLE2904();
	static const uint8_t FORMAT_BOOLEAN   = 1;
	static const uint8_t FORMAT_UINT2     = 2;
	static const uint8_t FORMAT_UINT4     = 3;
	static const uint8_t FORMAT_UINT8     = 4;
	static const uint8_t FORMAT_UINT12    = 5;
	static const uint8_t FORMAT_UINT16    = 6;
	static const uint8_t FORMAT_UINT24    = 7;
	static const uint8_t FORMAT_UINT32    = 8;
	static const uint8_t FORMAT_UINT48    = 9;
	static const uint8_t FORMAT_UINT64    = 10;
	static const uint8_t FORMAT_UINT128   = 11;
	static const uint8_t FORMAT_SINT8     = 12;
	static const uint8_t FORMAT_SINT12    = 13;
	static const uint8_t FORMAT_SINT16    = 14;
	static const uint8_t FORMAT_SINT24    = 15;
	static const uint8_t FORMAT_SINT32    = 16;
	static const uint8_t FORMAT_SINT48    = 17;
	static const uint8_t FORMAT_SINT64    = 18;
	static const uint8_t FORMAT_SINT128   = 19;
	static const uint8_t FORMAT_FLOAT32   = 20;
	static const uint8_t FORMAT_FLOAT64   = 21;
	static const uint8_t FORMAT_SFLOAT16  = 22;
	static const uint8_t FORMAT_SFLOAT32  = 23;
	static const uint8_t FORMAT_IEEE20601 = 24;
	static const uint8_t FORMAT_UTF8      = 25;
	static const uint8_t FORMAT_UTF16     = 26;
	static const uint8_t FORMAT_OPAQUE    = 27;

	void setDescription(uint16_t);
	void setExponent(int8_t exponent);
	void setFormat(uint8_t format);
	void setNamespace(uint8_t namespace_value);
	void setUnit(uint16_t unit);

private:
	BLE2904_Data m_data;
}; // BLE2904

#endif /* CONFIG_BT_ENABLED */
#endif /* COMPONENTS_CPP_UTILS_BLE2904_H_ */
