123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106 |
- #include <stdbool.h>
- #include <stdint.h>
- #include <string.h>
- #include "es_stopwatch.h"
- #include "sdk_macros.h"
- #include "app_timer.h"
- #include "es_app_config.h"
- static uint32_t m_ticks_last_returned[ES_STOPWATCH_MAX_USERS];
- static uint32_t m_ids_ticks_wrap[ES_STOPWATCH_MAX_USERS];
- static uint8_t m_nof_ids = 0;
- static bool m_initialized = false;
- uint32_t es_stopwatch_check(es_stopwatch_id_t id)
- {
- uint32_t ticks_current = app_timer_cnt_get();
- uint32_t ticks_diff;
- if (m_ids_ticks_wrap[id] == 0)
- {
- APP_ERROR_CHECK(NRF_ERROR_INVALID_STATE);
- }
- ticks_diff = app_timer_cnt_diff_compute(ticks_current, m_ticks_last_returned[id]);
- if (ticks_diff >= m_ids_ticks_wrap[id])
- {
- m_ticks_last_returned[id] = (ticks_current / m_ids_ticks_wrap[id]) * m_ids_ticks_wrap[id];
- return ticks_diff / m_ids_ticks_wrap[id];
- }
- return 0;
- }
- ret_code_t es_stopwatch_create(es_stopwatch_id_t * p_sw_id, uint32_t ticks_wrap)
- {
- VERIFY_PARAM_NOT_NULL(p_sw_id);
- if (m_nof_ids == ES_STOPWATCH_MAX_USERS)
- {
- return NRF_ERROR_INVALID_STATE;
- }
- if (!m_initialized)
- {
- return NRF_ERROR_MODULE_NOT_INITIALIZED;
- }
- *p_sw_id = m_nof_ids;
- m_ids_ticks_wrap[m_nof_ids] = ticks_wrap;
- m_nof_ids++;
- return NRF_SUCCESS;
- }
- void es_stopwatch_init(void)
- {
- m_nof_ids = 0;
- memset(m_ticks_last_returned, 0, sizeof(m_ticks_last_returned));
- memset(m_ids_ticks_wrap, 0, sizeof(m_ids_ticks_wrap));
- m_initialized = true;
- }
|