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Add alternative characteristic read/write callbacks

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Added alternative characteristic read/write callbacks that carry the connection description information.
Fixes h2zero/NimBLE-Arduino#83

Author: lknop <lknop@users.noreply.github.com>
This commit is contained in:
h2zero
2020-07-14 15:14:29 -06:00
parent 2a5df0c905
commit 2b4c1cd4f1
3 changed files with 30 additions and 3 deletions
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25
src/NimBLECharacteristic.cpp
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@@ -207,6 +207,7 @@ int NimBLECharacteristic::handleGapEvent(uint16_t conn_handle, uint16_t attr_han
{
const ble_uuid_t *uuid;
int rc;
struct ble_gap_conn_desc desc;
NimBLECharacteristic* pCharacteristic = (NimBLECharacteristic*)arg;
NIMBLE_LOGD(LOG_TAG, "Characteristic %s %s event", pCharacteristic->getUUID().toString().c_str(),
@@ -219,7 +220,10 @@ int NimBLECharacteristic::handleGapEvent(uint16_t conn_handle, uint16_t attr_han
// If the packet header is only 8 bytes this is a follow up of a long read
// so we don't want to call the onRead() callback again.
if(ctxt->om->om_pkthdr_len > 8) {
rc = ble_gap_conn_find(conn_handle, &desc);
assert(rc == 0);
pCharacteristic->m_pCallbacks->onRead(pCharacteristic);
pCharacteristic->m_pCallbacks->onRead(pCharacteristic, &desc);
}
portENTER_CRITICAL(&pCharacteristic->m_valMux);
@@ -249,10 +253,11 @@ int NimBLECharacteristic::handleGapEvent(uint16_t conn_handle, uint16_t attr_han
len += next->om_len;
next = SLIST_NEXT(next, om_next);
}
rc = ble_gap_conn_find(conn_handle, &desc);
assert(rc == 0);
pCharacteristic->setValue(buf, len);
pCharacteristic->m_pCallbacks->onWrite(pCharacteristic);
pCharacteristic->m_pCallbacks->onWrite(pCharacteristic, &desc);
return 0;
}
default:
@@ -524,6 +529,14 @@ void NimBLECharacteristicCallbacks::onRead(NimBLECharacteristic* pCharacteristic
NIMBLE_LOGD("NimBLECharacteristicCallbacks", "onRead: default");
} // onRead
/**
* @brief Callback function to support a read request.
* @param [in] pCharacteristic The characteristic that is the source of the event.
* @param [in] desc The connection description struct that is associated with the peer that performed the read.
*/
void NimBLECharacteristicCallbacks::onRead(NimBLECharacteristic* pCharacteristic, ble_gap_conn_desc* desc) {
NIMBLE_LOGD("NimBLECharacteristicCallbacks", "onRead: default");
} // onRead
/**
* @brief Callback function to support a write request.
@@ -533,6 +546,14 @@ void NimBLECharacteristicCallbacks::onWrite(NimBLECharacteristic* pCharacteristi
NIMBLE_LOGD("NimBLECharacteristicCallbacks", "onWrite: default");
} // onWrite
/**
* @brief Callback function to support a write request.
* @param [in] pCharacteristic The characteristic that is the source of the event.
* @param [in] desc The connection description struct that is associated with the peer that performed the write.
*/
void NimBLECharacteristicCallbacks::onWrite(NimBLECharacteristic* pCharacteristic, ble_gap_conn_desc* desc) {
NIMBLE_LOGD("NimBLECharacteristicCallbacks", "onWrite: default");
} // onWrite
/**
* @brief Callback function to support a Notify request.