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fix(ulp): use RC_FAST approximation for LP core fallback

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Use the shared SoC RC_FAST approximation when the target has no RTC_FAST source option.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Marius Vikhammer
2026-07-29 14:47:48 +02:00
co-authored by Cursor
parent 25b9025d93
commit 37a4390c64
1 changed files with 4 additions and 4 deletions
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components/ulp/lp_core/shared/include/ulp_lp_core_cpu_freq_shared.h
+4 -4
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@@ -25,9 +25,9 @@
#define LP_CORE_CYCLES_PER_US_DENOM 1U
#endif
#else // Default value in chip without rtc fast clock sel option
#define LP_CORE_CPU_FREQUENCY_HZ 16000000U
#define LP_CORE_CYCLES_PER_US_NUM 16U
#define LP_CORE_CYCLES_PER_US_DENOM 1U
#define LP_CORE_CPU_FREQUENCY_HZ SOC_CLK_RC_FAST_FREQ_APPROX
#define LP_CORE_CYCLES_PER_US_NUM (SOC_CLK_RC_FAST_FREQ_APPROX / 500000U)
#define LP_CORE_CYCLES_PER_US_DENOM 2U
#endif
/**
@@ -39,4 +39,4 @@
*
* @note Value is calibration-specific and may vary with compiler optimization.
*/
#define ULP_LP_CORE_DELAY_CALL_OVERHEAD_IN_CYCLES 11U
#define ULP_LP_CORE_DELAY_CALL_OVERHEAD_IN_CYCLES 14U