Library used to receive data through a wireless channel using XBEE.
Dependencies: mbed
Fork of frdm_xbee by
xbee.cpp@0:06bd131cf762, 2014-10-18 (annotated)
- Committer:
- josepesado
- Date:
- Sat Oct 18 13:21:18 2014 +0000
- Revision:
- 0:06bd131cf762
- Child:
- 1:11f87e6215f7
Additional updates to the XBee services.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
josepesado | 0:06bd131cf762 | 1 | #include "mbed.h" |
josepesado | 0:06bd131cf762 | 2 | |
josepesado | 0:06bd131cf762 | 3 | #define XBEE_SERVER 1 |
josepesado | 0:06bd131cf762 | 4 | #define XBEE_CLIENT 1 |
josepesado | 0:06bd131cf762 | 5 | #define SERIAL_BAUDRATE 115200 |
josepesado | 0:06bd131cf762 | 6 | #define BUFFER_SIZE 9 |
josepesado | 0:06bd131cf762 | 7 | #define BUFFER_FORMAT "%X %X %X %X %X %X %X %X %X" |
josepesado | 0:06bd131cf762 | 8 | #define BUFFER_FORMAT_RX "%c%c%c%c%c%c%c%c%c" |
josepesado | 0:06bd131cf762 | 9 | #define BUFFER_RX_DATA_WR &CommandRx[0],&CommandRx[1],&CommandRx[2],&CommandRx[3],\ |
josepesado | 0:06bd131cf762 | 10 | &CommandRx[4],&CommandRx[5],&CommandRx[6],&CommandRx[7],\ |
josepesado | 0:06bd131cf762 | 11 | &CommandRx[8] |
josepesado | 0:06bd131cf762 | 12 | #define BUFFER_RX_DATA_RD CommandRx[0],CommandRx[1],CommandRx[2],CommandRx[3],\ |
josepesado | 0:06bd131cf762 | 13 | CommandRx[4],CommandRx[5],CommandRx[6],CommandRx[7],\ |
josepesado | 0:06bd131cf762 | 14 | CommandRx[8] |
josepesado | 0:06bd131cf762 | 15 | |
josepesado | 0:06bd131cf762 | 16 | Serial PC(USBTX, USBRX); |
josepesado | 0:06bd131cf762 | 17 | DigitalOut Indicator(LED_GREEN); |
josepesado | 0:06bd131cf762 | 18 | int XBee_u16Loop; |
josepesado | 0:06bd131cf762 | 19 | |
josepesado | 0:06bd131cf762 | 20 | #if XBEE_SERVER == 1 |
josepesado | 0:06bd131cf762 | 21 | Serial XBeeServer(PTC17, PTC16); /* Tx, Rx*/ |
josepesado | 0:06bd131cf762 | 22 | char CommandTx[BUFFER_SIZE+1]={0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, '\0'}; |
josepesado | 0:06bd131cf762 | 23 | DigitalOut RSTServer(PTB9); |
josepesado | 0:06bd131cf762 | 24 | int XBee_u16TxResult; |
josepesado | 0:06bd131cf762 | 25 | int XBee_u8TxRq; |
josepesado | 0:06bd131cf762 | 26 | #endif |
josepesado | 0:06bd131cf762 | 27 | |
josepesado | 0:06bd131cf762 | 28 | #if XBEE_CLIENT == 1 |
josepesado | 0:06bd131cf762 | 29 | Serial XBeeClient(PTE24, PTE25); /* Tx, Rx*/ |
josepesado | 0:06bd131cf762 | 30 | DigitalOut RSTClient(PTA1); |
josepesado | 0:06bd131cf762 | 31 | char CommandRx[BUFFER_SIZE+1]; |
josepesado | 0:06bd131cf762 | 32 | volatile int XBee_u8RxResult; |
josepesado | 0:06bd131cf762 | 33 | int XBee_boRxIndication = 0; |
josepesado | 0:06bd131cf762 | 34 | int XBee_boRxAllowed = 1; |
josepesado | 0:06bd131cf762 | 35 | |
josepesado | 0:06bd131cf762 | 36 | /* This function is called when a character goes into the RX buffer.*/ |
josepesado | 0:06bd131cf762 | 37 | void XBeeClientRx() { |
josepesado | 0:06bd131cf762 | 38 | if(XBee_boRxAllowed == 1) |
josepesado | 0:06bd131cf762 | 39 | { |
josepesado | 0:06bd131cf762 | 40 | PC.printf("\r\nRx... "); |
josepesado | 0:06bd131cf762 | 41 | XBee_u8RxResult = 0; |
josepesado | 0:06bd131cf762 | 42 | XBee_u8RxResult = XBeeClient.scanf( BUFFER_FORMAT_RX, BUFFER_RX_DATA_WR ); |
josepesado | 0:06bd131cf762 | 43 | if(XBee_u8RxResult>0) |
josepesado | 0:06bd131cf762 | 44 | { |
josepesado | 0:06bd131cf762 | 45 | XBee_boRxIndication = 1; |
josepesado | 0:06bd131cf762 | 46 | } |
josepesado | 0:06bd131cf762 | 47 | PC.printf("\r\nRx done [%i]. ",XBee_u8RxResult); |
josepesado | 0:06bd131cf762 | 48 | PC.printf( BUFFER_FORMAT, BUFFER_RX_DATA_RD ); |
josepesado | 0:06bd131cf762 | 49 | } |
josepesado | 0:06bd131cf762 | 50 | return; |
josepesado | 0:06bd131cf762 | 51 | } |
josepesado | 0:06bd131cf762 | 52 | #endif |
josepesado | 0:06bd131cf762 | 53 | |
josepesado | 0:06bd131cf762 | 54 | void XBee_vInit(void) |
josepesado | 0:06bd131cf762 | 55 | { |
josepesado | 0:06bd131cf762 | 56 | XBee_u16Loop = 0; |
josepesado | 0:06bd131cf762 | 57 | |
josepesado | 0:06bd131cf762 | 58 | PC.baud(SERIAL_BAUDRATE); |
josepesado | 0:06bd131cf762 | 59 | |
josepesado | 0:06bd131cf762 | 60 | #if XBEE_SERVER == 1 |
josepesado | 0:06bd131cf762 | 61 | PC.printf("\r\nSetting server XBee..."); |
josepesado | 0:06bd131cf762 | 62 | XBeeServer.baud(SERIAL_BAUDRATE); |
josepesado | 0:06bd131cf762 | 63 | XBee_u16TxResult = 0; |
josepesado | 0:06bd131cf762 | 64 | XBee_u8TxRq = 0; |
josepesado | 0:06bd131cf762 | 65 | #endif |
josepesado | 0:06bd131cf762 | 66 | |
josepesado | 0:06bd131cf762 | 67 | #if XBEE_CLIENT == 1 |
josepesado | 0:06bd131cf762 | 68 | PC.printf("\r\nSetting client XBee..."); |
josepesado | 0:06bd131cf762 | 69 | XBeeClient.baud(SERIAL_BAUDRATE); |
josepesado | 0:06bd131cf762 | 70 | XBeeClient.attach(&XBeeClientRx, Serial::RxIrq); |
josepesado | 0:06bd131cf762 | 71 | XBee_u8RxResult = 0; |
josepesado | 0:06bd131cf762 | 72 | XBee_boRxAllowed = 1; |
josepesado | 0:06bd131cf762 | 73 | #endif |
josepesado | 0:06bd131cf762 | 74 | |
josepesado | 0:06bd131cf762 | 75 | /* XBee reset*/ |
josepesado | 0:06bd131cf762 | 76 | #if XBEE_SERVER == 1 |
josepesado | 0:06bd131cf762 | 77 | RSTServer = 0; |
josepesado | 0:06bd131cf762 | 78 | #endif |
josepesado | 0:06bd131cf762 | 79 | #if XBEE_CLIENT == 1 |
josepesado | 0:06bd131cf762 | 80 | RSTClient = 0; |
josepesado | 0:06bd131cf762 | 81 | #endif |
josepesado | 0:06bd131cf762 | 82 | wait_ms(1); |
josepesado | 0:06bd131cf762 | 83 | #if XBEE_SERVER == 1 |
josepesado | 0:06bd131cf762 | 84 | RSTServer = 1; |
josepesado | 0:06bd131cf762 | 85 | #endif |
josepesado | 0:06bd131cf762 | 86 | #if XBEE_CLIENT == 1 |
josepesado | 0:06bd131cf762 | 87 | RSTClient = 1; |
josepesado | 0:06bd131cf762 | 88 | #endif |
josepesado | 0:06bd131cf762 | 89 | wait_ms(1); |
josepesado | 0:06bd131cf762 | 90 | } |
josepesado | 0:06bd131cf762 | 91 | |
josepesado | 0:06bd131cf762 | 92 | void XBee_vMain(void) |
josepesado | 0:06bd131cf762 | 93 | { |
josepesado | 0:06bd131cf762 | 94 | XBee_u16Loop++; |
josepesado | 0:06bd131cf762 | 95 | PC.printf("\r\n[%i]:",XBee_u16Loop); |
josepesado | 0:06bd131cf762 | 96 | |
josepesado | 0:06bd131cf762 | 97 | if(XBee_u8TxRq == 1) |
josepesado | 0:06bd131cf762 | 98 | { |
josepesado | 0:06bd131cf762 | 99 | /* a Tx job request is active */ |
josepesado | 0:06bd131cf762 | 100 | PC.printf("\r\nTx... "); |
josepesado | 0:06bd131cf762 | 101 | /* disable rx */ |
josepesado | 0:06bd131cf762 | 102 | XBee_boRxAllowed = 0; |
josepesado | 0:06bd131cf762 | 103 | for (int i=0; i<BUFFER_SIZE; i++) |
josepesado | 0:06bd131cf762 | 104 | { |
josepesado | 0:06bd131cf762 | 105 | while (true) |
josepesado | 0:06bd131cf762 | 106 | { |
josepesado | 0:06bd131cf762 | 107 | if (XBeeServer.writeable()) |
josepesado | 0:06bd131cf762 | 108 | { |
josepesado | 0:06bd131cf762 | 109 | XBee_u16TxResult= XBeeServer.putc(CommandTx[i]); |
josepesado | 0:06bd131cf762 | 110 | PC.printf("%X ", XBee_u16TxResult); |
josepesado | 0:06bd131cf762 | 111 | break; |
josepesado | 0:06bd131cf762 | 112 | } |
josepesado | 0:06bd131cf762 | 113 | } |
josepesado | 0:06bd131cf762 | 114 | } |
josepesado | 0:06bd131cf762 | 115 | /* tx done */ |
josepesado | 0:06bd131cf762 | 116 | PC.printf("\r\nTx done. "); |
josepesado | 0:06bd131cf762 | 117 | XBee_u8TxRq = 0; |
josepesado | 0:06bd131cf762 | 118 | /* enable rx */ |
josepesado | 0:06bd131cf762 | 119 | XBee_boRxAllowed = 1; |
josepesado | 0:06bd131cf762 | 120 | } |
josepesado | 0:06bd131cf762 | 121 | } |
josepesado | 0:06bd131cf762 | 122 | |
josepesado | 0:06bd131cf762 | 123 | #if 1 |
josepesado | 0:06bd131cf762 | 124 | |
josepesado | 0:06bd131cf762 | 125 | int main() |
josepesado | 0:06bd131cf762 | 126 | { |
josepesado | 0:06bd131cf762 | 127 | char TxJob[BUFFER_SIZE+1] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, '\0'}; |
josepesado | 0:06bd131cf762 | 128 | |
josepesado | 0:06bd131cf762 | 129 | XBee_vInit(); |
josepesado | 0:06bd131cf762 | 130 | |
josepesado | 0:06bd131cf762 | 131 | while (true) { |
josepesado | 0:06bd131cf762 | 132 | wait(0.2f); // wait a small period of time |
josepesado | 0:06bd131cf762 | 133 | Indicator = !Indicator; // toggle a led |
josepesado | 0:06bd131cf762 | 134 | |
josepesado | 0:06bd131cf762 | 135 | XBee_vMain(); |
josepesado | 0:06bd131cf762 | 136 | |
josepesado | 0:06bd131cf762 | 137 | memcpy(CommandTx,TxJob,9); |
josepesado | 0:06bd131cf762 | 138 | //XBee_u8TxRq = 1; |
josepesado | 0:06bd131cf762 | 139 | |
josepesado | 0:06bd131cf762 | 140 | for(int i=0;i<BUFFER_SIZE;i++) |
josepesado | 0:06bd131cf762 | 141 | { |
josepesado | 0:06bd131cf762 | 142 | TxJob[i]++; |
josepesado | 0:06bd131cf762 | 143 | } |
josepesado | 0:06bd131cf762 | 144 | |
josepesado | 0:06bd131cf762 | 145 | } |
josepesado | 0:06bd131cf762 | 146 | } |
josepesado | 0:06bd131cf762 | 147 | #endif |
josepesado | 0:06bd131cf762 | 148 |