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Refactor 2904 descriptor

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* General code cleanup.
* Added method `NimBLECharacteristic::create2904` which will specifically create a CPF(0x2904) descriptor.
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h2zero authored and h2zero committed 2024-11-30 14:21:39 -07:00
1 parent 47c3cd5b84
commit b4fe046c56
5 files changed
+59 -60
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src/NimBLE2904.h
+19 -19
View File
@@ -12,31 +12,30 @@
* Author: kolban
*/
#ifndef MAIN_NIMBLE2904_H_
#define MAIN_NIMBLE2904_H_
#ifndef NIMBLE_CPP_2904_H_
#define NIMBLE_CPP_2904_H_
#include "nimconfig.h"
#if defined(CONFIG_BT_ENABLED) && defined(CONFIG_BT_NIMBLE_ROLE_PERIPHERAL)
#include "NimBLEDescriptor.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;
# include "NimBLEDescriptor.h"
struct NimBLE2904Data {
uint8_t m_format{0};
int8_t m_exponent{0};
uint16_t m_unit{0x2700}; // Unitless; See https://www.bluetooth.com/specifications/assigned-numbers/units
uint8_t m_namespace{1}; // 1 = Bluetooth SIG Assigned Numbers
uint16_t m_description{0}; // unknown 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.
*/
class NimBLE2904: public NimBLEDescriptor {
public:
NimBLE2904(NimBLECharacteristic* pCharacterisitic = nullptr);
class NimBLE2904 : public NimBLEDescriptor {
public:
NimBLE2904(NimBLECharacteristic* pChr = nullptr);
static const uint8_t FORMAT_BOOLEAN = 1;
static const uint8_t FORMAT_UINT2 = 2;
static const uint8_t FORMAT_UINT4 = 3;
@@ -64,6 +63,7 @@ public:
static const uint8_t FORMAT_UTF8 = 25;
static const uint8_t FORMAT_UTF16 = 26;
static const uint8_t FORMAT_OPAQUE = 27;
static const uint8_t FORMAT_MEDASN1 = 28;
void setDescription(uint16_t);
void setExponent(int8_t exponent);
@@ -71,10 +71,10 @@ public:
void setNamespace(uint8_t namespace_value);
void setUnit(uint16_t unit);
private:
private:
friend class NimBLECharacteristic;
BLE2904_Data m_data;
}; // BLE2904
NimBLE2904Data m_data{};
}; // NimBLE2904
#endif /* CONFIG_BT_ENABLED && CONFIG_BT_NIMBLE_ROLE_PERIPHERAL */
#endif /* MAIN_NIMBLE2904_H_ */
#endif // CONFIG_BT_ENABLED && CONFIG_BT_NIMBLE_ROLE_PERIPHERAL
#endif // NIMBLE_CPP_2904_H_