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Nordic Semiconductor
ble_add_char_params_t Struct Reference
[Common service definitions]
Add characteristic parameters structure. More...
#include <ble_srv_common.h>
Data Fields | |
| uint16_t | uuid |
| Characteristic UUID (16 bits UUIDs). | |
| uint8_t | uuid_type |
| Base UUID. | |
| uint16_t | max_len |
| Maximum length of the characteristic value. | |
| uint16_t | init_len |
| Initial length of the characteristic value. | |
| uint8_t * | p_init_value |
| Initial encoded value of the characteristic. | |
| bool | is_var_len |
| Indicates if the characteristic value has variable length. | |
| ble_gatt_char_props_t | char_props |
| Characteristic properties. | |
| bool | is_defered_read |
| Indicate if deferred read operations are supported. | |
| bool | is_defered_write |
| Indicate if deferred write operations are supported. | |
| security_req_t | read_access |
| Security requirement for reading the characteristic value. | |
| security_req_t | write_access |
| Security requirement for writing the characteristic value. | |
| security_req_t | cccd_write_access |
| Security requirement for writing the characteristic's CCCD. | |
| bool | is_value_user |
| Indicate if the content of the characteristic is to be stored in the application (user) or in the stack. | |
| ble_add_char_user_desc_t * | p_user_descr |
| Pointer to user descriptor if needed. | |
| ble_gatts_char_pf_t * | p_presentation_format |
| Pointer to characteristic format if needed. | |
Detailed Description
Add characteristic parameters structure.
This structure contains the parameters needed to use the characteristic_add function.
Definition at line 297 of file ble_srv_common.h.
Field Documentation
Security requirement for writing the characteristic's CCCD.
Definition at line 310 of file ble_srv_common.h.
Characteristic properties.
Definition at line 305 of file ble_srv_common.h.
| uint16_t init_len |
Initial length of the characteristic value.
Definition at line 302 of file ble_srv_common.h.
| bool is_defered_read |
Indicate if deferred read operations are supported.
Definition at line 306 of file ble_srv_common.h.
| bool is_defered_write |
Indicate if deferred write operations are supported.
Definition at line 307 of file ble_srv_common.h.
| bool is_value_user |
Indicate if the content of the characteristic is to be stored in the application (user) or in the stack.
Definition at line 311 of file ble_srv_common.h.
| bool is_var_len |
Indicates if the characteristic value has variable length.
Definition at line 304 of file ble_srv_common.h.
| uint16_t max_len |
Maximum length of the characteristic value.
Definition at line 301 of file ble_srv_common.h.
| uint8_t* p_init_value |
Initial encoded value of the characteristic.
Definition at line 303 of file ble_srv_common.h.
Pointer to characteristic format if needed.
Definition at line 313 of file ble_srv_common.h.
Pointer to user descriptor if needed.
Definition at line 312 of file ble_srv_common.h.
Security requirement for reading the characteristic value.
Definition at line 308 of file ble_srv_common.h.
| uint16_t uuid |
Characteristic UUID (16 bits UUIDs).
Definition at line 299 of file ble_srv_common.h.
| uint8_t uuid_type |
Base UUID.
If 0, the Bluetooth SIG UUID will be used. Otherwise, this should be a value returned by sd_ble_uuid_vs_add when adding the base UUID.
Definition at line 300 of file ble_srv_common.h.
Security requirement for writing the characteristic value.
Definition at line 309 of file ble_srv_common.h.
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