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esp_pm: fix an issue and add an interface (backport to v4.3)

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ninh
2021-03-16 11:31:03 +08:00
parent 693aaef039
commit bd03a0e66a
3 changed files with 34 additions and 0 deletions
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25
components/esp_pm/pm_impl.c
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@@ -323,6 +323,31 @@ esp_err_t esp_pm_configure(const void* vconfig)
return ESP_OK;
}
esp_err_t esp_pm_get_configuration(void* vconfig)
{
if (vconfig == NULL) {
return ESP_ERR_INVALID_ARG;
}
#if CONFIG_IDF_TARGET_ESP32
esp_pm_config_esp32_t* config = (esp_pm_config_esp32_t*) vconfig;
#elif CONFIG_IDF_TARGET_ESP32S2
esp_pm_config_esp32s2_t* config = (esp_pm_config_esp32s2_t*) vconfig;
#elif CONFIG_IDF_TARGET_ESP32S3
esp_pm_config_esp32s3_t* config = (esp_pm_config_esp32s3_t*) vconfig;
#elif CONFIG_IDF_TARGET_ESP32C3
esp_pm_config_esp32c3_t* config = (esp_pm_config_esp32c3_t*) vconfig;
#endif
portENTER_CRITICAL(&s_switch_lock);
config->light_sleep_enable = s_light_sleep_en;
config->max_freq_mhz = s_cpu_freq_by_mode[PM_MODE_CPU_MAX].freq_mhz;
config->min_freq_mhz = s_cpu_freq_by_mode[PM_MODE_APB_MIN].freq_mhz;
portEXIT_CRITICAL(&s_switch_lock);
return ESP_OK;
}
static pm_mode_t IRAM_ATTR get_lowest_allowed_mode(void)
{
/* TODO: optimize using ffs/clz */