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Set the wait timeout for missing indication acknowledgment #825

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Set the wait timeout for missing indication acknowledgment #825

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9 changes: 8 additions & 1 deletion libraries/Bluefruit52Lib/src/BLEConnection.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,8 @@ BLEConnection::BLEConnection(uint16_t conn_hdl, ble_gap_evt_connected_t const* e
_hvc_received = false;

_ediv = 0xFFFF;

_waitForIndicateConfirmTimeout = portMAX_DELAY;
}

BLEConnection::~BLEConnection()
Expand Down Expand Up @@ -285,13 +287,18 @@ bool BLEConnection::requestPairing(void)
return Bluefruit.Security._authenticate(_conn_hdl);
}

void BLEConnection::setWaitForIndicateConfirmTimeout(uint16_t timeOutMs)
{
_waitForIndicateConfirmTimeout = pdMS_TO_TICKS (timeOutMs);
}

bool BLEConnection::waitForIndicateConfirm(void)
{
// on the fly semaphore
_hvc_sem = xSemaphoreCreateBinary();

_hvc_received = false;
xSemaphoreTake(_hvc_sem, portMAX_DELAY);
xSemaphoreTake(_hvc_sem, _waitForIndicateConfirmTimeout);

vSemaphoreDelete(_hvc_sem);
_hvc_sem = NULL;
Expand Down
6 changes: 4 additions & 2 deletions libraries/Bluefruit52Lib/src/BLEConnection.h
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,8 @@ class BLEConnection
// On-demand semaphore/data that are created on the fly
SemaphoreHandle_t _hvc_sem;

TickType_t _waitForIndicateConfirmTimeout;

public:
BLEConnection(uint16_t conn_hdl, ble_gap_evt_connected_t const * evt_connected, uint8_t hvn_qsize, uint8_t wrcmd_qsize);
virtual ~BLEConnection();
Expand All @@ -95,6 +97,7 @@ class BLEConnection
bool disconnect(void);

bool setTxPower(int8_t power); // set power for this connection
void setWaitForIndicateConfirmTimeout(uint16_t timeOutMs);

bool requestDataLengthUpdate(ble_gap_data_length_params_t const *p_dl_params = NULL, ble_gap_data_length_limitation_t *p_dl_limitation = NULL);
bool requestMtuExchange(uint16_t mtu);
Expand All @@ -116,8 +119,7 @@ class BLEConnection
bool removeBondKey(void);

bool saveCccd(void);
bool loadCccd(void);

bool loadCccd(void);
/*------------------------------------------------------------------*/
/* INTERNAL USAGE ONLY
* Although declare as public, it is meant to be invoked by internal code.
Expand Down
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