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light sleep: fix SPIRAM leakage when its CS pin has no hardware pullup

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This commit is contained in:
Li Shuai
2021-07-03 10:57:49 +08:00
parent ea10dacf68
commit af4f2075ac
2 changed files with 20 additions and 0 deletions
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9
components/esp_hw_support/Kconfig
View File

@@ -33,5 +33,14 @@ menu "Hardware Settings"
config ESP_SLEEP_RTC_BUS_ISO_WORKAROUND config ESP_SLEEP_RTC_BUS_ISO_WORKAROUND
bool bool
default y if IDF_TARGET_ESP32 || IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 default y if IDF_TARGET_ESP32 || IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
config ESP_SLEEP_PSRAM_LEAKAGE_WORKAROUND
bool "PSRAM leakage current workaround in light sleep"
depends on SPIRAM
help
When the CS pin of SPIRAM is not pulled up, the sleep current will
increase during light sleep. If the CS pin of SPIRAM has an external
pull-up, you do not need to select this option, otherwise, you
should enable this option.
endmenu endmenu
endmenu endmenu

11
components/esp_hw_support/sleep_gpio.c
View File

@@ -20,6 +20,14 @@
#include "esp_private/gpio.h" #include "esp_private/gpio.h"
#include "esp_private/sleep_gpio.h" #include "esp_private/sleep_gpio.h"
#ifdef CONFIG_IDF_TARGET_ESP32
#include "esp32/spiram.h"
#elif CONFIG_IDF_TARGET_ESP32S2
#include "esp32s2/spiram.h"
#elif CONFIG_IDF_TARGET_ESP32S3
#include "esp32s3/spiram.h"
#endif
static const char *TAG = "sleep"; static const char *TAG = "sleep";
#if SOC_GPIO_SUPPORT_SLP_SWITCH #if SOC_GPIO_SUPPORT_SLP_SWITCH
@@ -53,6 +61,9 @@ void esp_sleep_config_gpio_isolate(void)
gpio_sleep_set_pull_mode(gpio_num, GPIO_FLOATING); gpio_sleep_set_pull_mode(gpio_num, GPIO_FLOATING);
} }
} }
#if CONFIG_ESP_SLEEP_PSRAM_LEAKAGE_WORKAROUND && CONFIG_SPIRAM
gpio_sleep_set_pull_mode(esp_spiram_get_cs_io(), GPIO_PULLUP_ONLY);
#endif
} }
void esp_sleep_enable_gpio_switch(bool enable) void esp_sleep_enable_gpio_switch(bool enable)