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improve flash power down logic

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This commit is contained in:
jingli 2022-06-20 11:32:20 +08:00
parent 076c6764d9
commit 4cc873dfd9
1 changed files with 18 additions and 4 deletions
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22
components/esp_hw_support/sleep_modes.c
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@ -637,6 +637,22 @@ static esp_err_t esp_light_sleep_inner(uint32_t pd_flags,
return err;
}
/**
* vddsdio is used for power supply of spi flash
*
* pd flash via menuconfig | pd flash via `esp_sleep_pd_config` | result
* ---------------------------------------------------------------------------------------------------
* 0 | 0 | no pd flash
* x | 1 | pd flash with relaxed conditions(force_pd)
* 1 | 0 | pd flash with strict conditions(safe_pd)
*/
static inline bool can_power_down_vddsdio(const uint32_t vddsdio_pd_sleep_duration)
{
bool force_pd = !(s_config.wakeup_triggers & RTC_TIMER_TRIG_EN) || (s_config.sleep_duration > vddsdio_pd_sleep_duration);
bool safe_pd = (s_config.wakeup_triggers == RTC_TIMER_TRIG_EN) && (s_config.sleep_duration > vddsdio_pd_sleep_duration);
return (s_config.pd_options[ESP_PD_DOMAIN_VDDSDIO] == ESP_PD_OPTION_OFF) ? force_pd : safe_pd;
}
esp_err_t esp_light_sleep_start(void)
{
s_config.ccount_ticks_record = cpu_ll_get_cycle_count();
@ -712,7 +728,7 @@ esp_err_t esp_light_sleep_start(void)
flash_enable_time_us + LIGHT_SLEEP_MIN_TIME_US + s_config.sleep_time_adjustment
+ rtc_time_slowclk_to_us(RTC_MODULE_SLEEP_PREPARE_CYCLES, s_config.rtc_clk_cal_period));
if (s_config.sleep_duration > vddsdio_pd_sleep_duration) {
if (can_power_down_vddsdio(vddsdio_pd_sleep_duration)) {
if (s_config.sleep_time_overhead_out < flash_enable_time_us) {
s_config.sleep_time_adjustment += flash_enable_time_us;
}
@ -1322,9 +1338,7 @@ static uint32_t get_power_down_flags(void)
* value of this field.
*/
if (s_config.pd_options[ESP_PD_DOMAIN_VDDSDIO] == ESP_PD_OPTION_AUTO) {
#ifdef CONFIG_ESP_SLEEP_POWER_DOWN_FLASH
s_config.pd_options[ESP_PD_DOMAIN_VDDSDIO] = ESP_PD_OPTION_OFF;
#else
#ifndef CONFIG_ESP_SLEEP_POWER_DOWN_FLASH
s_config.pd_options[ESP_PD_DOMAIN_VDDSDIO] = ESP_PD_OPTION_ON;
#endif
}