File content as of revision 5:b40a6fd3a334:

/** 

Copyright 2014 John Bailey
   
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 "XBeeApiCmdAt.hpp"

/* Set of Frame ID codes for the various commands (see XBEE_CMD_POSN_FRAME_ID) */

#define CMD_RESPONSE_GET_VR '1'
#define CMD_RESPONSE_GET_HV '2'
#define CMD_RESPONSE_GET_CH '3'
#define CMD_RESPONSE_SET_CH '4'

/* Content for the various commands - value of 0 indicates a value to be populated (i.e. variable) */

const uint8_t cmd_vr[] = { CMD_RESPONSE_GET_VR, 'V', 'R' }; 
const uint8_t cmd_hv[] = { CMD_RESPONSE_GET_HV, 'H', 'V' }; 
const uint8_t cmd_ch[] = { CMD_RESPONSE_GET_CH, 'C', 'H' }; 
const uint8_t cmd_set_ch[] = { CMD_RESPONSE_SET_CH, 'C', 'H', 0 }; 

#define XBEE_CMD_POSN_FRAME_ID (4U)
#define XBEE_CMD_POSN_PARAM_START (8U)

XBeeApiCmdAt::XBeeApiCmdAt() : XBeeApiFrameDecoder( ) , m_haveHwVer( false ),
                                                        m_haveFwVer( false ),
                                                        m_haveChan( false )
{
}

bool XBeeApiCmdAt::decodeCallback( const uint8_t* const p_data, size_t p_len )
{
    bool ret_val = false;
    
    if( XBEE_CMD_AT_RESPONSE == p_data[ XBEE_CMD_POSN_API_ID ] )
    {
    
        switch( p_data[ XBEE_CMD_POSN_FRAME_ID ] )
        {
            case CMD_RESPONSE_GET_HV:
                m_haveHwVer = true;
                // TODO: Is this right?
                m_hwVer = ((uint16_t)p_data[ XBEE_CMD_POSN_PARAM_START ] << 8) + p_data[ XBEE_CMD_POSN_PARAM_START + 1 ];
                ret_val = true;
                break;
    
            case CMD_RESPONSE_GET_VR:
                m_haveFwVer = true;
                // TODO: Is this right?
                m_fwVer = ((uint16_t)p_data[ XBEE_CMD_POSN_PARAM_START ] << 8) + p_data[ XBEE_CMD_POSN_PARAM_START + 1 ];
                ret_val = true;
                break;
                
            case CMD_RESPONSE_GET_CH:
                m_haveChan = true;
                m_chan = p_data[ XBEE_CMD_POSN_PARAM_START ];
                ret_val = true;
                break;
    
            case CMD_RESPONSE_SET_CH:
                m_chan = m_chanPend;
                m_haveChan = true;
                ret_val = true;    
                break;
        }
    }
    return ret_val;
}

bool XBeeApiCmdAt::setChannel( uint8_t const p_chan )
{
    XBeeApiCmdAt::XBeeApiCmdAtChannelSet req( p_chan );
    m_chanPend = p_chan;
    m_device->SendFrame( &req );
    
    return true;
}

void XBeeApiCmdAt::requestHardwareVersion( void )
{
    XBeeApiCmdAt::XBeeApiCmdAtHardwareVersionRequest req;
    m_haveHwVer = false;    
    m_device->SendFrame( &req );
}
    
void XBeeApiCmdAt::requestFirmwareVersion( void )
{
    XBeeApiCmdAt::XBeeApiCmdAtFirmwareVersionRequest req;
    m_haveFwVer = false;
    m_device->SendFrame( &req );       
}

void XBeeApiCmdAt::requestChannel( void )
{
    XBeeApiCmdAt::XBeeApiCmdAtChannelRequest req;
    m_haveChan = false;
    m_device->SendFrame( &req );
}

bool XBeeApiCmdAt::getFirmwareVersion( uint16_t* const p_ver ) const
{
    if( m_haveFwVer )
    {
        *p_ver = m_fwVer;
    }
    return m_haveFwVer;
    
}

bool XBeeApiCmdAt::getHardwareVersion( uint16_t* const p_ver ) const
{
    if( m_haveHwVer )
    {
        *p_ver = m_hwVer;
    }
    return m_haveHwVer;
}

bool XBeeApiCmdAt::getChannel( uint8_t* const p_chan ) const
{
    if( m_haveChan )
    {
        *p_chan = m_chan;
    }
    return m_haveChan;
}


XBeeApiCmdAt::XBeeApiCmdAtFirmwareVersionRequest::XBeeApiCmdAtFirmwareVersionRequest( void ) : XBeeApiFrame( )
{
     m_apiId = XBEE_CMD_AT_CMD;
     m_data = cmd_vr;
     m_dataLen = sizeof( cmd_vr );
}

XBeeApiCmdAt::XBeeApiCmdAtHardwareVersionRequest::XBeeApiCmdAtHardwareVersionRequest( void ) : XBeeApiFrame( )
{
     m_apiId = XBEE_CMD_AT_CMD;
     m_data = cmd_hv;
     m_dataLen = sizeof( cmd_hv );
}

XBeeApiCmdAt::XBeeApiCmdAtChannelRequest::XBeeApiCmdAtChannelRequest( void ) : XBeeApiFrame( )
{
     m_apiId = XBEE_CMD_AT_CMD;
     m_data = cmd_ch;
     m_dataLen = sizeof( cmd_ch );
}

XBeeApiCmdAt::XBeeApiCmdAtChannelSet::XBeeApiCmdAtChannelSet( const uint8_t p_chan ) : XBeeApiFrame( )
{
     m_apiId = XBEE_CMD_AT_CMD;
     m_buffer[0] = cmd_set_ch[0];
     m_buffer[1] = cmd_set_ch[1];
     m_buffer[2] = cmd_set_ch[2];
     m_buffer[3] = p_chan;
     m_data = m_buffer;
     m_dataLen = sizeof( cmd_set_ch );
}