Diff: common/DiscoveredCharacteristic.cpp

Revision:

497:926d444599e8

Child:

498:f3cd1e9e1ebc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/DiscoveredCharacteristic.cpp	Fri Jun 19 15:52:03 2015 +0100
@@ -0,0 +1,71 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "DiscoveredCharacteristic.h"
+#include "GattClient.h"
+
+DiscoveredCharacteristic::ReadCallback_t DiscoveredCharacteristic::onDataReadCallback;
+
+/**
+ * Initiate (or continue) a read for the value attribute, optionally at a
+ * given offset. If the Characteristic or Descriptor to be read is longer
+ * than ATT_MTU - 1, this function must be called multiple times with
+ * appropriate offset to read the complete value.
+ *
+ * @return BLE_ERROR_NONE if a read has been initiated, else
+ *         BLE_ERROR_INVALID_STATE if some internal state about the connection is invalid, or
+ *         BLE_STACK_BUSY if some client procedure already in progress, or
+ *         BLE_ERROR_OPERATION_NOT_PERMITTED due to the characteristic's properties.
+ */
+ble_error_t
+DiscoveredCharacteristic::read(uint16_t offset) const
+{
+    if (!props.read()) {
+        return BLE_ERROR_OPERATION_NOT_PERMITTED;
+    }
+
+    return gattc->read(connHandle, valueHandle, offset);
+}
+
+/**
+ * Perform a write without response procedure.
+ *
+ * @param  length
+ *           The amount of data being written.
+ * @param  value
+ *           The bytes being written.
+ *
+ * @note   It is important to note that a write without response will
+ *         <b>consume an application buffer</b>, and will therefore
+ *         generate a onDataSent() callback when the packet has been
+ *         transmitted. The application should ensure that the buffer is
+ *         valid until the callback.
+ *
+ * @retval BLE_ERROR_NONE Successfully started the Write procedure, else
+ *         BLE_ERROR_INVALID_STATE if some internal state about the connection is invalid, or
+ *         BLE_STACK_BUSY if some client procedure already in progress, or
+ *         BLE_ERROR_NO_MEM if there are no available buffers left to process the request, or
+ *         BLE_ERROR_OPERATION_NOT_PERMITTED due to the characteristic's properties.
+ */
+ble_error_t
+DiscoveredCharacteristic::writeWoResponse(uint16_t length, const uint8_t *value) const
+{
+    if (!props.writeWoResp()) {
+        return BLE_ERROR_OPERATION_NOT_PERMITTED;
+    }
+
+    return gattc->write(GattClient::OP_WRITE_CMD, connHandle, length, value);
+}
\ No newline at end of file