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- #include <stdbool.h>
- #include <stdint.h>
- #include "cgms_db.h"
- typedef struct
- {
- bool in_use_flag;
- ble_cgms_rec_t record;
- } database_entry_t;
- static database_entry_t m_database[CGMS_DB_MAX_RECORDS];
- static uint8_t m_database_crossref[CGMS_DB_MAX_RECORDS];
- static uint16_t m_num_records;
- ret_code_t cgms_db_init(void)
- {
- int i;
- for (i = 0; i < CGMS_DB_MAX_RECORDS; i++)
- {
- m_database[i].in_use_flag = false;
- m_database_crossref[i] = 0xFF;
- }
- m_num_records = 0;
- return NRF_SUCCESS;
- }
- uint16_t cgms_db_num_records_get(void)
- {
- return m_num_records;
- }
- ret_code_t cgms_db_record_get(uint8_t record_num, ble_cgms_rec_t * p_rec)
- {
- if ((record_num >= m_num_records) || (m_num_records == 0))
- {
- return NRF_ERROR_NOT_FOUND;
- }
-
- *p_rec = m_database[m_database_crossref[record_num]].record;
- return NRF_SUCCESS;
- }
- ret_code_t cgms_db_record_add(ble_cgms_rec_t * p_rec)
- {
- int i;
- if (m_num_records == CGMS_DB_MAX_RECORDS)
- {
- return NRF_ERROR_NO_MEM;
- }
-
- for (i = 0; i < CGMS_DB_MAX_RECORDS; i++)
- {
- if (!m_database[i].in_use_flag)
- {
- m_database[i].in_use_flag = true;
- m_database[i].record = *p_rec;
- m_database_crossref[m_num_records] = i;
- m_num_records++;
- return NRF_SUCCESS;
- }
- }
- return NRF_ERROR_NO_MEM;
- }
- ret_code_t cgms_db_record_delete(uint8_t record_num)
- {
- int i;
- if (record_num >= m_num_records)
- {
-
- return NRF_SUCCESS;
- }
-
- m_database[m_database_crossref[record_num]].in_use_flag = false;
-
- m_num_records--;
-
- for (i = record_num; i < m_num_records; i++)
- {
- m_database_crossref[i] = m_database_crossref[i + 1];
- }
- return NRF_SUCCESS;
- }
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