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fix(ble): Fixed macro definition error for 136K clock drift

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xiongweichao 2024-01-29 11:29:01 +08:00
parent 2a7e9fc485
commit 8e41d56dbe
1 changed files with 2 additions and 2 deletions
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4
components/bt/controller/esp32c3/bt.c
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@ -766,14 +766,14 @@ static void btdm_sleep_enter_phase1_wrapper(uint32_t lpcycles)
uint32_t us_to_sleep = btdm_lpcycles_2_hus(lpcycles, NULL) >> 1; uint32_t us_to_sleep = btdm_lpcycles_2_hus(lpcycles, NULL) >> 1;
#define BTDM_MIN_TIMER_UNCERTAINTY_US (1800) #define BTDM_MIN_TIMER_UNCERTAINTY_US (1800)
#define BTDM_RTC_SLOW_CLK_RC_DRIFT (7 / 100) #define BTDM_RTC_SLOW_CLK_RC_DRIFT_PERCENT 7
assert(us_to_sleep > BTDM_MIN_TIMER_UNCERTAINTY_US); assert(us_to_sleep > BTDM_MIN_TIMER_UNCERTAINTY_US);
// allow a maximum time uncertainty to be about 488ppm(1/2048) at least as clock drift // allow a maximum time uncertainty to be about 488ppm(1/2048) at least as clock drift
// and set the timer in advance // and set the timer in advance
uint32_t uncertainty = (us_to_sleep >> 11); uint32_t uncertainty = (us_to_sleep >> 11);
#if CONFIG_FREERTOS_USE_TICKLESS_IDLE #if CONFIG_FREERTOS_USE_TICKLESS_IDLE
if (rtc_clk_slow_freq_get() == RTC_SLOW_FREQ_RTC) { if (rtc_clk_slow_freq_get() == RTC_SLOW_FREQ_RTC) {
uncertainty = us_to_sleep * BTDM_RTC_SLOW_CLK_RC_DRIFT; uncertainty = us_to_sleep * BTDM_RTC_SLOW_CLK_RC_DRIFT_PERCENT / 100;
} }
#endif #endif