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81 lines
2.3 KiB
81 lines
2.3 KiB
#ifdef shell |
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gcc -o ${0//.c/} $0 -lxbee |
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exit |
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} |
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#endif |
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/* |
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libxbee - a C library to aid the use of Digi's Series 1 XBee modules |
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running in API mode (AP=2). |
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Copyright (C) 2009 Attie Grande (attie@attie.co.uk) |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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/* this sample will output the voltage read from analog 0 */ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <xbee.h> |
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/* set this to the voltage measured between GND and Vref - 3.3 is a good place to start */ |
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#define Vref 3.3 |
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int main(int argc, char *argv[]) { |
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xbee_con *con; |
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xbee_pkt *pkt; |
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/* setup libxbee */ |
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if (xbee_setup("/dev/ttyUSB0",57600) == -1) { |
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printf("xbee_setup failed...\n"); |
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return 1; |
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} |
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/* create an AT connection */ |
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con = xbee_newcon('I',xbee_64bitRemoteAT,0x13A200,0x403CB26A); |
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/* do this forever! */ |
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for (;;) { |
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/* request samples now! */ |
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xbee_senddata(con,"IS"); |
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/* get as many packets as we can */ |
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while ((pkt = xbee_getpacketwait(con)) != NULL) { |
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if (pkt) { |
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if (pkt->status != 0x00) { |
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/* if the return status was not 0x00 (OK) then the request failed... */ |
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printf("Sample A0: -- Request Failed --\n"); |
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} else { |
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if (!xbee_hasanalog(pkt,0,0)) { |
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/* there was no data for A0 in the packet */ |
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printf("Sample A0: -- No Data --\n"); |
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} else { |
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/* it appears that there is sample data for A0! */ |
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printf("Sample A0: %.0f (~%.2fv)\n", |
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xbee_getanalog(pkt,0,0,0), |
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xbee_getanalog(pkt,0,0,Vref)); |
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} |
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} |
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/* dont forget to free the packet! */ |
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free(pkt); |
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} else { |
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/* couldnt get a packet */ |
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printf("Sample A0: -- No Packet Returned --\n"); |
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} |
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} |
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/* wait a second for the next sample */ |
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sleep(1); |
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} |
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return 0; |
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}
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