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fix(tsens): 300us delay in phy cause extra power consumption

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This commit is contained in:
Cao Sen Miao
2024-01-09 18:37:38 +08:00
parent b69ac0fb27
commit c5759b6d2b
3 changed files with 12 additions and 14 deletions
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12
components/esp_hw_support/sar_periph_ctrl_common.c
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@@ -38,20 +38,14 @@ void temperature_sensor_power_acquire(void)
portENTER_CRITICAL(&rtc_spinlock);
s_temperature_sensor_power_cnt++;
if (s_temperature_sensor_power_cnt == 1) {
adc_apb_periph_claim();
periph_module_enable(PERIPH_TEMPSENSOR_MODULE);
periph_module_reset(PERIPH_TEMPSENSOR_MODULE);
regi2c_saradc_enable();
temperature_sensor_ll_clk_enable(true);
#if !SOC_TEMPERATURE_SENSOR_IS_INDEPENDENT_FROM_ADC
adc_apb_periph_claim();
#endif
temperature_sensor_ll_enable(true);
}
portEXIT_CRITICAL(&rtc_spinlock);
// After enabling/reseting the temperature sensor,
// the output value gradually approaches the true temperature
// value as the measurement time increases. 300us is recommended.
esp_rom_delay_us(300);
}
void temperature_sensor_power_release(void)
@@ -66,11 +60,9 @@ void temperature_sensor_power_release(void)
} else if (s_temperature_sensor_power_cnt == 0) {
temperature_sensor_ll_clk_enable(false);
temperature_sensor_ll_enable(false);
#if !SOC_TEMPERATURE_SENSOR_IS_INDEPENDENT_FROM_ADC
adc_apb_periph_free();
#endif
regi2c_saradc_disable();
periph_module_disable(PERIPH_TEMPSENSOR_MODULE);
adc_apb_periph_free();
}
portEXIT_CRITICAL(&rtc_spinlock);
}