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ulp: fix a bug that ULP may not be restarted correctly

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This commit is contained in:
Ivan Grokhotkov 2017-02-20 15:25:16 +08:00
parent d0d2c4cb49
commit 7df75c00c7
1 changed files with 2 additions and 0 deletions
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components/ulp/ulp.c
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@ -265,6 +265,8 @@ esp_err_t ulp_run(uint32_t entry_point)
{
// disable ULP timer
CLEAR_PERI_REG_MASK(RTC_CNTL_STATE0_REG, RTC_CNTL_ULP_CP_SLP_TIMER_EN);
// wait for at least 1 RTC_SLOW_CLK cycle
ets_delay_us(10);
// set entry point
SET_PERI_REG_BITS(SENS_SAR_START_FORCE_REG, SENS_PC_INIT_V, entry_point, SENS_PC_INIT_S);
// disable force start