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esp32: fix WiFi timer inaccurate bug

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Fix the bug that WiFi timer is not accurate when sleep is on
This commit is contained in:
Liu Zhi Fu 2018-10-16 15:47:54 +08:00
parent 6313ea0088
commit be02f6b423
3 changed files with 34 additions and 1 deletions
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10
components/esp32/include/esp_wifi_internal.h
View file

@ -35,6 +35,7 @@
#include "esp_err.h"
#include "esp_wifi_types.h"
#include "esp_event.h"
#include "esp_wifi.h"
#ifdef __cplusplus
extern "C" {
@ -161,6 +162,15 @@ void *wifi_realloc( void *ptr, size_t size );
*/
void *wifi_calloc( size_t n, size_t size );
/**
* @brief Update WiFi MAC time
*
* @param uint32_t time_delta : time duration since the WiFi/BT common clock is disabled
*
* @return Always returns ESP_OK
*/
esp_err_t esp_wifi_internal_update_mac_time( uint32_t time_delta );
#ifdef __cplusplus
}
#endif

2
components/esp32/lib

@ -1 +1 @@
Subproject commit 88eee0378ac6f41ea764ea38a0a1b61ff4ac0022
Subproject commit 02d9f83f373e0d3afeac2a93cee7ad4d3cd25dce

23
components/esp32/phy_init.c
View file

@ -36,6 +36,7 @@
#include "phy_init_data.h"
#include "esp_coexist.h"
#include "driver/periph_ctrl.h"
#include "esp_wifi_internal.h"
static const char* TAG = "phy_init";
@ -44,6 +45,24 @@ static int s_phy_rf_init_count = 0;
static _lock_t s_phy_rf_init_lock;
static inline void phy_update_wifi_mac_time(bool en_clock_stopped)
{
static uint32_t s_common_clock_disable_time = 0;
if (en_clock_stopped) {
s_common_clock_disable_time = esp_timer_get_time();
} else {
if (s_common_clock_disable_time) {
uint64_t now = esp_timer_get_time();
uint32_t diff = now - s_common_clock_disable_time;
esp_wifi_internal_update_mac_time(diff);
s_common_clock_disable_time = 0;
ESP_LOGD(TAG, "wifi mac time delta: %u", diff);
}
}
}
esp_err_t esp_phy_rf_init(const esp_phy_init_data_t* init_data,
esp_phy_calibration_mode_t mode, esp_phy_calibration_data_t* calibration_data)
{
@ -51,6 +70,8 @@ esp_err_t esp_phy_rf_init(const esp_phy_init_data_t* init_data,
_lock_acquire(&s_phy_rf_init_lock);
if (s_phy_rf_init_count == 0) {
// Update WiFi MAC time before WiFi/BT common clock is enabled
phy_update_wifi_mac_time( false );
// Enable WiFi/BT common peripheral clock
periph_module_enable(PERIPH_WIFI_BT_COMMON_MODULE);
ESP_LOGV(TAG, "register_chipv7_phy, init_data=%p, cal_data=%p, mode=%d",
@ -76,6 +97,8 @@ esp_err_t esp_phy_rf_deinit(void)
if (s_phy_rf_init_count == 1) {
// Disable PHY and RF.
phy_close_rf();
// Update WiFi MAC time before disalbe WiFi/BT common peripheral clock
phy_update_wifi_mac_time(true);
// Disable WiFi/BT common peripheral clock. Do not disable clock for hardware RNG
periph_module_disable(PERIPH_WIFI_BT_COMMON_MODULE);
} else {