Schoumi/nrf51822
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define a new handler for dataWritten event;

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this exposes the data to the callback handler.
This commit is contained in:
Rohit Grover 2014-08-28 10:51:52 +01:00
parent 04c2ea794f
commit a601082563
1 changed files with 34 additions and 22 deletions
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56
nRF51GattServer.cpp
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@ -77,7 +77,7 @@ ble_error_t nRF51GattServer::addService(GattService &service)
p_characteristics[characteristicCount++] = p_char;
p_char->getValueAttribute().setHandle(charHandle);
/* Add optional descriptors if any */
/* ToDo: Make sure we don't overflow the array */
for (uint8_t j = 0; j < p_char->getDescriptorCount(); j++) {
@ -95,7 +95,7 @@ ble_error_t nRF51GattServer::addService(GattService &service)
BLE_ERROR_PARAM_OUT_OF_RANGE );
uint16_t descHandle = descriptorCount;
p_descriptors[descriptorCount++] = p_desc;
p_descriptors[descriptorCount++] = p_desc;
p_desc->setHandle(descHandle);
}
@ -259,52 +259,51 @@ ble_error_t nRF51GattServer::getAppearance(uint16_t *appearanceP)
/**************************************************************************/
void nRF51GattServer::hwCallback(ble_evt_t *p_ble_evt)
{
uint16_t handle_value;
GattServerEvents::gattEvent_t event;
uint16_t handle_value;
GattServerEvents::gattEvent_t eventType;
const ble_gatts_evt_t *gattsEventP = &p_ble_evt->evt.gatts_evt;
switch (p_ble_evt->header.evt_id) {
case BLE_GATTS_EVT_WRITE:
/* There are 2 use case here: Values being updated & CCCD (indicate/notify) enabled */
/* 1.) Handle CCCD changes */
handle_value = p_ble_evt->evt.gatts_evt.params.write.handle;
handle_value = gattsEventP->params.write.handle;
for (uint8_t i = 0; i<characteristicCount; i++) {
if ((p_characteristics[i]->getProperties() & (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)) &&
(nrfCharacteristicHandles[i].cccd_handle == handle_value)) {
uint16_t cccd_value =
(p_ble_evt->evt.gatts_evt.params.write.data[1] << 8) |
p_ble_evt->evt.gatts_evt.params.write.data[0]; /* Little Endian but M0 may be mis-aligned */
(gattsEventP->params.write.data[1] << 8) |
gattsEventP->params.write.data[0]; /* Little Endian but M0 may be mis-aligned */
if (((p_characteristics[i]->getProperties() & GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE) && (cccd_value & BLE_GATT_HVX_INDICATION)) ||
((p_characteristics[i]->getProperties() & GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) && (cccd_value & BLE_GATT_HVX_NOTIFICATION))) {
event = GattServerEvents::GATT_EVENT_UPDATES_ENABLED;
eventType = GattServerEvents::GATT_EVENT_UPDATES_ENABLED;
} else {
event = GattServerEvents::GATT_EVENT_UPDATES_DISABLED;
eventType = GattServerEvents::GATT_EVENT_UPDATES_DISABLED;
}
handleEvent(event, i);
handleEvent(eventType, i);
return;
}
}
/* 2.) Changes to the characteristic value will be handled with other events below */
event = GattServerEvents::GATT_EVENT_DATA_WRITTEN;
eventType = GattServerEvents::GATT_EVENT_DATA_WRITTEN;
break;
case BLE_EVT_TX_COMPLETE:
for (uint8_t i = 0; i<p_ble_evt->evt.common_evt.params.tx_complete.count; i++){
handleEvent(GattServerEvents::GATT_EVENT_DATA_SENT);
}
return;
case BLE_GATTS_EVT_HVC:
/* Indication confirmation received */
event = GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED;
handle_value = p_ble_evt->evt.gatts_evt.params.hvc.handle;
eventType = GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED;
handle_value = gattsEventP->params.hvc.handle;
break;
case BLE_EVT_TX_COMPLETE:
handleEvent(GattServerEvents::GATT_EVENT_DATA_SENT);
return;
case BLE_GATTS_EVT_SYS_ATTR_MISSING:
sd_ble_gatts_sys_attr_set(p_ble_evt->evt.gatts_evt.conn_handle, NULL, 0);
sd_ble_gatts_sys_attr_set(gattsEventP->conn_handle, NULL, 0);
return;
default:
@ -314,8 +313,21 @@ void nRF51GattServer::hwCallback(ble_evt_t *p_ble_evt)
/* Find index (charHandle) in the pool */
for (uint8_t i = 0; i<characteristicCount; i++) {
if (nrfCharacteristicHandles[i].value_handle == handle_value) {
handleEvent(event, i);
break;
switch (eventType) {
case GattServerEvents::GATT_EVENT_DATA_WRITTEN: {
GattCharacteristicWriteEvent eventData = {
.op = static_cast<GattCharacteristicWriteEvent::Type>(gattsEventP->params.write.op),
.offset = gattsEventP->params.write.offset,
.len = gattsEventP->params.write.len,
.data = gattsEventP->params.write.data
};
handleDataWrittenEvent(i, &eventData);
break;
}
default:
handleEvent(eventType, i);
break;
}
}
}
}