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fix timer collision in role switch

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Closes https://github.com/espressif/esp-idf/issues/7203
This commit is contained in:
jincheng 2021-07-29 16:56:24 +08:00 committed by bot
parent 907205a13a
commit f5e1d1c2bf
5 changed files with 44 additions and 1 deletions
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13
components/bt/common/osi/alarm.c
View File

@ -318,3 +318,16 @@ uint32_t osi_time_get_os_boottime_ms(void)
{
return (uint32_t)(esp_timer_get_time() / 1000);
}
bool osi_alarm_is_active(osi_alarm_t *alarm)
{
assert(alarm != NULL);
assert(alarm_mutex != NULL);
bool is_active = false;
osi_mutex_lock(&alarm_mutex, OSI_MUTEX_MAX_TIMEOUT);
is_active = alarm->deadline_us > 0;
osi_mutex_unlock(&alarm_mutex);
return is_active;
}

5
components/bt/common/osi/include/osi/alarm.h
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@ -20,6 +20,7 @@
#define _ALARM_H_
#include <stdint.h>
#include <stdbool.h>
#include "esp_timer.h"
typedef struct alarm_t osi_alarm_t;
@ -77,4 +78,8 @@ period_ms_t osi_alarm_get_remaining_ms(const osi_alarm_t *alarm);
uint32_t osi_time_get_os_boottime_ms(void);
// This function returns whether the |alarm| which encapsulated
// a one-shot timer is active or not
bool osi_alarm_is_active(osi_alarm_t *alarm);
#endif /*_ALARM_H_*/

5
components/bt/host/bluedroid/bta/dm/bta_dm_act.c
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@ -3822,7 +3822,10 @@ static void bta_dm_adjust_roles(BOOLEAN delay_role_switch)
} else {
bta_dm_cb.switch_delay_timer[i].p_cback =
(TIMER_CBACK *)&bta_dm_delay_role_switch_cback;
bta_sys_start_timer(&bta_dm_cb.switch_delay_timer[i], 0, 500);
/* Start the timer if not active */
if (!bta_sys_timer_is_active(&bta_dm_cb.switch_delay_timer[i])) {
bta_sys_start_timer(&bta_dm_cb.switch_delay_timer[i], 0, 500);
}
}
}

1
components/bt/host/bluedroid/bta/include/bta/bta_sys.h
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@ -225,6 +225,7 @@ extern void bta_sys_sendmsg(void *p_msg);
extern void bta_sys_start_timer(TIMER_LIST_ENT *p_tle, UINT16 type, INT32 timeout_ms);
extern void bta_sys_stop_timer(TIMER_LIST_ENT *p_tle);
extern void bta_sys_free_timer(TIMER_LIST_ENT *p_tle);
extern BOOLEAN bta_sys_timer_is_active(TIMER_LIST_ENT *p_tle);
extern void bta_sys_disable(tBTA_SYS_HW_MODULE module);
extern UINT32 bta_sys_get_remaining_ticks(TIMER_LIST_ENT *p_target_tle);

21
components/bt/host/bluedroid/bta/sys/bta_sys_main.c
View File

@ -638,6 +638,27 @@ UINT32 bta_sys_get_remaining_ticks(TIMER_LIST_ENT *p_target_tle)
}
/*******************************************************************************
**
** Function bta_sys_timer_is_active
**
** Description Get info of one-shot timer is active or not.
**
** Returns true if timer is exist and active, false otherwise.
**
*******************************************************************************/
BOOLEAN bta_sys_timer_is_active(TIMER_LIST_ENT *p_tle)
{
assert(p_tle != NULL);
osi_alarm_t *alarm = hash_map_get(bta_alarm_hash_map, p_tle);
if (alarm != NULL && osi_alarm_is_active(alarm)) {
return TRUE;
}
return FALSE;
}
/*******************************************************************************
**
** Function bta_sys_stop_timer