John Bailey
Example of using the XBeeApi library to read inputs on a remote XBee
Revision 0:3261f9bef845, committed 2014-07-28
- Comitter:
- johnb
- Date:
- Mon Jul 28 13:32:59 2014 +0000
- Commit message:
- Example of using the XBeeApi library to read inputs on a remote XBee
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/XBeeApi.lib Mon Jul 28 13:32:59 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/johnb/code/XBeeApi/#7b65422d7a32
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Jul 28 13:32:59 2014 +0000
@@ -0,0 +1,177 @@
+/**
+ @file
+ @brief Example of using the XBeeApi library to read inputs on
+ a remote XBee
+
+ @author John Bailey
+
+ @copyright Copyright 2014 John Bailey
+
+ @section LICENSE
+
+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 "mbed.h"
+#include "xbeeapi.hpp"
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+/* TODO: You may need to change these based on the device/connections that you're using */
+#define XBEE_TX_PIN PTA2
+#define XBEE_RX_PIN PTA1
+
+/* Network address for our XBee */
+const uint16_t myNetworkAddress = 0x1234;
+
+/* Network address for the remote XBee */
+const uint16_t remoteNetworkAddress = 0x4321;
+
+/* ID for the Personal Area Network we're going to join */
+const XBeeApiCmdAt::panId_t myPANId = 1000;
+
+/* Network channel to use */
+const XBeeApiCmdAt::channel_t myChannelId = 14;
+
+XBeeDevice xbeeDevice( XBEE_TX_PIN, XBEE_RX_PIN, NC, NC );
+
+/* Once the remote XBee is set up this function will monitor for changes to
+ the I/O readings and report them */
+void monitor( XBeeDeviceRemoteAt& p_remote )
+{
+ time_t analogueTime[ XBEE_API_ADC_CHANNEL_COUNT ] = { 0, };
+ time_t digitalTime[ XBEE_API_DIO_CHANNEL_COUNT ] = { 0, };
+
+ while(1)
+ {
+ uint8_t i;
+
+ /* Loop all the analogue channels, see if the timestamp
+ associated with the value has changed and if so,
+ report it */
+ for( i = 0;
+ i < XBEE_API_ADC_CHANNEL_COUNT;
+ i++ )
+ {
+ uint16_t val;
+ time_t updateTime = p_remote.getAnalogueValue( i, val );
+
+ if( updateTime != analogueTime[ i ] )
+ {
+ analogueTime[i] = updateTime;
+ pc.printf("Analogue Channel %d updated : %d\r\n",i,val);
+ }
+ }
+
+ /* Loop all the digital channels, report changes */
+ for( i = 0;
+ i < XBEE_API_DIO_CHANNEL_COUNT;
+ i++ )
+ {
+ bool val;
+ time_t updateTime = p_remote.getDigitalState( i, val );
+
+ if( updateTime != digitalTime[ i ] )
+ {
+ digitalTime[i] = updateTime;
+ pc.printf("Digital Channel %d updated : %d\r\n",i,val);
+ }
+ }
+
+ wait_ms(1000);
+ }
+}
+
+int main() {
+ /* This example will use the blocking API for simplicity */
+ XBeeApiCmdAtBlocking atIf( &xbeeDevice );
+
+ XBeeDevice::XBeeDeviceReturn_t status;
+
+ /* Get API mode 2 set up - this is a pre-requisit to using other XBeeApi functions.
+ This step may not be needed in the case that the XBee has already been configured
+ to use Mode 2 and the setting has been stored in NV */
+ status = xbeeDevice.setUpApi();
+
+ if( status == XBeeDevice::XBEEDEVICE_OK )
+ {
+ uint16_t readNetworkAddress;
+
+ /* Set the 16-bit source address of this XBee */
+ atIf.setSourceAddress( myNetworkAddress );
+
+ if( atIf.getSourceAddress( &readNetworkAddress ) )
+ {
+ /* Set up a peer-to-peer network using the specified PAN and channel */
+ if( xbeeSetNetworkTypeP2P( &atIf, myPANId, myChannelId ) )
+ {
+ uint16_t sampleRate;
+ XBeeApiCmdAt::XBeeApiDioConfig_e dioConfig;
+ uint32_t remoteDaHigh,remoteDaLow;
+ /* Set up a remote XBee device using the specified 16-bit address (64-bit address not used here) */
+ XBeeDeviceRemoteAt remoteXBee( &xbeeDevice, remoteNetworkAddress );
+
+ /* Tell the destination XBee that it should transmit packets to this XBee's address */
+ remoteXBee.setDestinationAddress( myNetworkAddress );
+
+ /* Set I/O port 0 on remote XBee to be a digital input */
+ remoteXBee.setDioConfig( 0, XBeeApiCmdAt::XBEE_API_DIO_INPUT );
+
+ /* Set I/O port 1 on remote XBee to be an analogue input */
+ remoteXBee.setDioConfig( 1, XBeeApiCmdAt::XBEE_API_DIO_ADC );
+
+ /* Set sample rate on remote XBee to 100ms */
+ remoteXBee.setSampleRate( 100 );
+
+ /* Apply the above changes to the remote XBee. Calling remoteXBee.setApplyChanges(true) before
+ the setDestinationAddress() would apply the changes as they were made and mean that
+ this call would not be necessary */
+ remoteXBee.requestApplyChanges();
+
+ wait_ms( 500 );
+
+ if( !remoteXBee.getSampleRate( &sampleRate ) )
+ {
+ pc.printf("Didn't get sample rate\r\n");
+ }
+ if( !remoteXBee.getDioConfig( 0, &dioConfig ) )
+ {
+ pc.printf("Didn't get dio config\r\n");
+ }
+ if( !remoteXBee.getDestinationAddressHigh( &remoteDaHigh ) )
+ {
+ pc.printf("Didn't get destination address (high)\r\n");
+ }
+ if( !remoteXBee.getDestinationAddressLow( &remoteDaLow ) )
+ {
+ pc.printf("Didn't get destination address (low)\r\n");
+ }
+
+ monitor( remoteXBee );
+ }
+ else
+ {
+ pc.printf("xbeeSetNetworkTypeP2P failed\r\n");
+ }
+ }
+ else
+ {
+ pc.printf("setSourceAddress() failed\r\n");
+ }
+ }
+ else
+ {
+ pc.printf("setUpApi failed with status %d\r\n",status);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Jul 28 13:32:59 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6213f644d804 \ No newline at end of file