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arch/risc-v/espressif: Add BLE sleep

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Add BLE sleep for esp32[-c3]

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
This commit is contained in:
Eren Terzioglu
2026-04-21 12:27:21 +02:00
committed by Xiang Xiao
parent 131f7f75ed
commit a18b7186a6
3 changed files with 90 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/risc-v/src/common/espressif/CMakeLists.txt
+1 -1
View File
@@ -213,7 +213,7 @@ if(DEFINED ENV{ESP_HAL_3RDPARTY_VERSION})
CACHE STRING "ESP HAL 3rdparty version")
else()
set(ESP_HAL_3RDPARTY_VERSION
c32f1ad13f4ce8312de494e8b79c88fda10fe9ed
e10e44f52e41aee7a617b4d144982a1998a17fc5
CACHE STRING "ESP HAL 3rdparty version")
endif()
arch/risc-v/src/common/espressif/Make.defs
+1 -1
View File
@@ -221,7 +221,7 @@ endif
ESP_HAL_3RDPARTY_REPO = esp-hal-3rdparty
ifndef ESP_HAL_3RDPARTY_VERSION
ESP_HAL_3RDPARTY_VERSION = c32f1ad13f4ce8312de494e8b79c88fda10fe9ed
ESP_HAL_3RDPARTY_VERSION = e10e44f52e41aee7a617b4d144982a1998a17fc5
endif
ifndef ESP_HAL_3RDPARTY_URL
arch/risc-v/src/esp32c3/esp_ble_adapter.c
+88 -22
View File
@@ -85,6 +85,10 @@
#endif
#include "esp_intr_alloc.h"
#include "esp_ble_adapter.h"
#ifdef CONFIG_PM
# include "include/esp_pm.h"
# include "esp_sleep.h"
#endif
/****************************************************************************
* Pre-processor Definitions
@@ -92,6 +96,8 @@
#define BTDM_MIN_TIMER_UNCERTAINTY_US (1800)
#define BTDM_RTC_SLOW_CLK_RC_DRIFT_PERCENT (7)
/* Sleep and wakeup interval control */
#define BTDM_MIN_SLEEP_DURATION (24) /* Threshold of interval in half slots to allow to fall into sleep mode */
@@ -603,13 +609,14 @@ static DRAM_ATTR void * g_wakeup_req_sem = NULL;
/* wakeup timer */
static DRAM_ATTR esp_timer_handle_t g_btdm_slp_tmr;
static DRAM_ATTR esp_timer_handle_t g_btdm_slp_tmr = NULL;
#ifdef CONFIG_PM
static DRAM_ATTR esp_pm_lock_handle_t g_pm_lock;
/* pm_lock to prevent light sleep due to incompatibility currently */
static DRAM_ATTR void * g_light_sleep_pm_lock;
static DRAM_ATTR esp_pm_lock_handle_t g_light_sleep_pm_lock;
#endif
/* BT interrupt private data */
@@ -1677,6 +1684,17 @@ static void btdm_sleep_enter_phase1_wrapper(uint32_t lpcycles)
DEBUGASSERT(us_to_sleep > BTDM_MIN_TIMER_UNCERTAINTY_US);
uncertainty = (us_to_sleep >> 11);
#ifdef CONFIG_BT_CTRL_MAIN_XTAL_PU_DURING_LIGHT_SLEEP
/* Recalculate clock drift when Bluetooth keeps
* main XTAL on during light sleep
*/
if (rtc_clk_slow_freq_get() == SOC_RTC_SLOW_CLK_SRC_RC_SLOW)
{
uncertainty = us_to_sleep * BTDM_RTC_SLOW_CLK_RC_DRIFT_PERCENT / 100;
}
#endif
if (uncertainty < BTDM_MIN_TIMER_UNCERTAINTY_US)
{
uncertainty = BTDM_MIN_TIMER_UNCERTAINTY_US;
@@ -1684,9 +1702,8 @@ static void btdm_sleep_enter_phase1_wrapper(uint32_t lpcycles)
DEBUGASSERT(g_lp_stat.wakeup_timer_started == 0);
ets_timer_arm_us((void *)&g_btdm_slp_tmr,
us_to_sleep - uncertainty,
false);
esp_timer_start_once(g_btdm_slp_tmr,
us_to_sleep - uncertainty);
g_lp_stat.wakeup_timer_started = true;
}
@@ -1721,6 +1738,7 @@ static void btdm_sleep_enter_phase2_wrapper(void)
#ifdef CONFIG_PM
if (g_lp_stat.pm_lock_released == 0)
{
esp_pm_lock_release(g_pm_lock);
g_lp_stat.pm_lock_released = 1;
}
#endif
@@ -1746,6 +1764,7 @@ static void btdm_sleep_exit_phase3_wrapper(void)
#ifdef CONFIG_PM
if (g_lp_stat.pm_lock_released)
{
esp_pm_lock_acquire(g_pm_lock);
g_lp_stat.pm_lock_released = 0;
}
#endif
@@ -1761,7 +1780,7 @@ static void btdm_sleep_exit_phase3_wrapper(void)
if (g_lp_cntl.wakeup_timer_required && g_lp_stat.wakeup_timer_started)
{
ets_timer_disarm((void *)&g_btdm_slp_tmr);
esp_timer_stop(g_btdm_slp_tmr);
g_lp_stat.wakeup_timer_started = 0;
}
@@ -2211,8 +2230,8 @@ static void esp_update_time(struct timespec *timespec, uint32_t ticks)
static void IRAM_ATTR btdm_slp_tmr_callback(void *arg)
{
#ifdef CONFIG_PM
btdm_vnd_offload_post(BTDM_VND_OL_SIG_WAKEUP_TMR,
(void *)BTDM_ASYNC_WAKEUP_SRC_TMR);
r_btdm_vnd_offload_post(BTDM_VND_OL_SIG_WAKEUP_TMR,
(void *)BTDM_ASYNC_WAKEUP_SRC_TMR);
#endif
}
@@ -2265,6 +2284,7 @@ static void IRAM_ATTR btdm_sleep_exit_phase0(void *param)
#ifdef CONFIG_PM
if (g_lp_stat.pm_lock_released)
{
esp_pm_lock_acquire(g_pm_lock);
g_lp_stat.pm_lock_released = 0;
}
#endif
@@ -2279,7 +2299,7 @@ static void IRAM_ATTR btdm_sleep_exit_phase0(void *param)
if (g_lp_cntl.wakeup_timer_required && g_lp_stat.wakeup_timer_started)
{
ets_timer_disarm((void *)&g_btdm_slp_tmr);
esp_timer_stop(g_btdm_slp_tmr);
g_lp_stat.wakeup_timer_started = 0;
}
@@ -2406,9 +2426,7 @@ static esp_err_t btdm_low_power_mode_init(esp_bt_controller_config_t *cfg)
.name = "btSlp",
};
ets_timer_setfn((void *)&g_btdm_slp_tmr,
(void *)btdm_slp_tmr_callback,
&create_args);
esp_timer_create(&create_args, &g_btdm_slp_tmr);
}
/* set default bluetooth sleep clock cycle and its
@@ -2470,7 +2488,7 @@ static esp_err_t btdm_low_power_mode_init(esp_bt_controller_config_t *cfg)
if (g_lp_cntl.lpclk_sel == ESP_BT_SLEEP_CLOCK_MAIN_XTAL)
{
#ifdef CONFIG_BT_CTRL_MAIN_XTAL_PU_DURING_LIGHT_SLEEP
ASSERT(esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_ON));
esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_ON);
g_lp_cntl.main_xtal_pu = 1;
#endif
select_src_ret = btdm_lpclk_select_src(BTDM_LPCLK_SEL_XTAL);
@@ -2511,7 +2529,28 @@ static esp_err_t btdm_low_power_mode_init(esp_bt_controller_config_t *cfg)
#endif
#ifdef CONFIG_PM
g_lp_stat.pm_lock_released = 1;
if (g_lp_cntl.no_light_sleep)
{
err = esp_pm_lock_create(ESP_PM_NO_LIGHT_SLEEP, 0,
"ble", &g_light_sleep_pm_lock);
if (err != OK)
{
break;
}
wlwarn("Light sleep mode will not be able to"
"apply when bluetooth is enabled.");
}
err = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "ble", &g_pm_lock);
if (err != OK)
{
break;
}
else
{
g_lp_stat.pm_lock_released = 1;
}
#endif
}
while (0);
@@ -2607,20 +2646,28 @@ static void btdm_low_power_mode_deinit(void)
{
if (g_light_sleep_pm_lock != NULL)
{
esp_pm_lock_delete(g_light_sleep_pm_lock);
g_light_sleep_pm_lock = NULL;
}
}
if (g_pm_lock != NULL)
{
esp_pm_lock_delete(g_pm_lock);
g_pm_lock = NULL;
g_lp_stat.pm_lock_released = 0;
}
#endif
if (g_lp_cntl.wakeup_timer_required && g_btdm_slp_tmr != NULL)
{
if (g_lp_stat.wakeup_timer_started)
{
ets_timer_disarm((void *)&g_btdm_slp_tmr);
esp_timer_stop(g_btdm_slp_tmr);
}
g_lp_stat.wakeup_timer_started = 0;
ets_timer_done((void *)&g_btdm_slp_tmr);
esp_timer_delete(g_btdm_slp_tmr);
g_btdm_slp_tmr = NULL;
}
@@ -2639,7 +2686,7 @@ static void btdm_low_power_mode_deinit(void)
#ifdef CONFIG_BT_CTRL_MAIN_XTAL_PU_DURING_LIGHT_SLEEP
if (g_lp_cntl.main_xtal_pu)
{
ASSERT(esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_OFF));
esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_OFF);
g_lp_cntl.main_xtal_pu = 0;
}
#endif
@@ -2695,9 +2742,10 @@ static bool async_wakeup_request(int event)
if (!btdm_power_state_active())
{
do_wakeup_request = true;
#if CONFIG_PM
#ifdef CONFIG_PM
if (g_lp_stat.pm_lock_released)
{
esp_pm_lock_acquire(g_pm_lock);
g_lp_stat.pm_lock_released = 0;
}
#endif
@@ -2707,7 +2755,7 @@ static bool async_wakeup_request(int event)
if (g_lp_cntl.wakeup_timer_required &&
g_lp_stat.wakeup_timer_started)
{
ets_timer_disarm((void *)&g_btdm_slp_tmr);
esp_timer_stop(g_btdm_slp_tmr);
g_lp_stat.wakeup_timer_started = 0;
}
}
@@ -3194,26 +3242,32 @@ int esp_bt_controller_enable(esp_bt_mode_t mode)
#ifdef CONFIG_PM
/* enable low power mode */
if (g_lp_cntl.no_light_sleep)
{
esp_pm_lock_acquire(g_light_sleep_pm_lock);
}
esp_pm_lock_acquire(g_pm_lock);
g_lp_stat.pm_lock_released = 0;
#endif
#if CONFIG_MAC_BB_PD
if (esp_register_mac_bb_pd_callback(btdm_mac_bb_power_down_cb) != 0)
{
err = -EINVAL;
ret = -EINVAL;
goto error;
}
if (esp_register_mac_bb_pu_callback(btdm_mac_bb_power_up_cb) != 0)
{
err = -EINVAL;
ret = -EINVAL;
goto error;
}
#endif
if (g_lp_cntl.enable)
{
btdm_controller_enable_sleep(true);
btdm_controller_enable_sleep(true);
}
/* Disable pll track by default in BLE controller on ESP32-C3 and
@@ -3246,8 +3300,14 @@ error:
btdm_controller_enable_sleep(false);
#ifdef CONFIG_PM
if (g_lp_cntl.no_light_sleep)
{
esp_pm_lock_release(g_light_sleep_pm_lock);
}
if (g_lp_stat.pm_lock_released == 0)
{
esp_pm_lock_release(g_pm_lock);
g_lp_stat.pm_lock_released = 1;
}
#endif
@@ -3316,8 +3376,14 @@ int esp_bt_controller_disable(void)
#endif
#ifdef CONFIG_PM
if (g_lp_cntl.no_light_sleep)
{
esp_pm_lock_release(g_light_sleep_pm_lock);
}
if (g_lp_stat.pm_lock_released == 0)
{
esp_pm_lock_release(g_pm_lock);
g_lp_stat.pm_lock_released = 1;
}
else