Code APP3
Dependencies: mbed EthernetInterface WebSocketClient mbed-rtos BufferedSerial
Fork of APP3_Lab by
xbee.cpp@1:ea1b52d0a8a3, 2017-09-27 (annotated)
- Committer:
- Cheroukee
- Date:
- Wed Sep 27 19:58:38 2017 +0000
- Revision:
- 1:ea1b52d0a8a3
- Child:
- 2:a9bb12eefc08
Fixed Router code to send transmit request
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Cheroukee | 1:ea1b52d0a8a3 | 1 | |
Cheroukee | 1:ea1b52d0a8a3 | 2 | /*** |
Cheroukee | 1:ea1b52d0a8a3 | 3 | * xbee.cpp - en-tete de lib xbee - fouj1807 - mcgj2701 |
Cheroukee | 1:ea1b52d0a8a3 | 4 | */ |
Cheroukee | 1:ea1b52d0a8a3 | 5 | |
Cheroukee | 1:ea1b52d0a8a3 | 6 | #include "xbee.h" |
Cheroukee | 1:ea1b52d0a8a3 | 7 | |
Cheroukee | 1:ea1b52d0a8a3 | 8 | |
Cheroukee | 1:ea1b52d0a8a3 | 9 | #define ZIGBEE_DELIMITER 0x7E |
Cheroukee | 1:ea1b52d0a8a3 | 10 | |
Cheroukee | 1:ea1b52d0a8a3 | 11 | DigitalOut xbee_led(LED1); |
Cheroukee | 1:ea1b52d0a8a3 | 12 | DigitalOut xbee_reset(p8); |
Cheroukee | 1:ea1b52d0a8a3 | 13 | |
Cheroukee | 1:ea1b52d0a8a3 | 14 | Serial xbee(p13, p14); // tx, rx |
Cheroukee | 1:ea1b52d0a8a3 | 15 | |
Cheroukee | 1:ea1b52d0a8a3 | 16 | char TransmitBuffer[2048] = {0}; |
Cheroukee | 1:ea1b52d0a8a3 | 17 | char ReceiveBuffer[2048] = {0}; |
Cheroukee | 1:ea1b52d0a8a3 | 18 | |
Cheroukee | 1:ea1b52d0a8a3 | 19 | void xbee_init() |
Cheroukee | 1:ea1b52d0a8a3 | 20 | { |
Cheroukee | 1:ea1b52d0a8a3 | 21 | xbee_reset = 0; |
Cheroukee | 1:ea1b52d0a8a3 | 22 | |
Cheroukee | 1:ea1b52d0a8a3 | 23 | wait_ms(400); |
Cheroukee | 1:ea1b52d0a8a3 | 24 | |
Cheroukee | 1:ea1b52d0a8a3 | 25 | xbee_reset = 1; |
Cheroukee | 1:ea1b52d0a8a3 | 26 | |
Cheroukee | 1:ea1b52d0a8a3 | 27 | wait_ms(5000); |
Cheroukee | 1:ea1b52d0a8a3 | 28 | |
Cheroukee | 1:ea1b52d0a8a3 | 29 | xbee_led = 1; |
Cheroukee | 1:ea1b52d0a8a3 | 30 | } |
Cheroukee | 1:ea1b52d0a8a3 | 31 | |
Cheroukee | 1:ea1b52d0a8a3 | 32 | |
Cheroukee | 1:ea1b52d0a8a3 | 33 | bool set_pan_id(long pan_id) |
Cheroukee | 1:ea1b52d0a8a3 | 34 | { |
Cheroukee | 1:ea1b52d0a8a3 | 35 | return false; |
Cheroukee | 1:ea1b52d0a8a3 | 36 | } |
Cheroukee | 1:ea1b52d0a8a3 | 37 | |
Cheroukee | 1:ea1b52d0a8a3 | 38 | long get_pan_id() |
Cheroukee | 1:ea1b52d0a8a3 | 39 | { |
Cheroukee | 1:ea1b52d0a8a3 | 40 | return 0L; |
Cheroukee | 1:ea1b52d0a8a3 | 41 | } |
Cheroukee | 1:ea1b52d0a8a3 | 42 | |
Cheroukee | 1:ea1b52d0a8a3 | 43 | bool transmit_request(char* buffer, int length) |
Cheroukee | 1:ea1b52d0a8a3 | 44 | { |
Cheroukee | 1:ea1b52d0a8a3 | 45 | // Delimiter |
Cheroukee | 1:ea1b52d0a8a3 | 46 | TransmitBuffer[0] = ZIGBEE_DELIMITER; |
Cheroukee | 1:ea1b52d0a8a3 | 47 | |
Cheroukee | 1:ea1b52d0a8a3 | 48 | char checksum = 0xFF; |
Cheroukee | 1:ea1b52d0a8a3 | 49 | |
Cheroukee | 1:ea1b52d0a8a3 | 50 | // Frame Length |
Cheroukee | 1:ea1b52d0a8a3 | 51 | int frame_length = length + 14; |
Cheroukee | 1:ea1b52d0a8a3 | 52 | TransmitBuffer[1] = frame_length >> 8; |
Cheroukee | 1:ea1b52d0a8a3 | 53 | TransmitBuffer[2] = frame_length & 0xFF; |
Cheroukee | 1:ea1b52d0a8a3 | 54 | |
Cheroukee | 1:ea1b52d0a8a3 | 55 | // Frame Type |
Cheroukee | 1:ea1b52d0a8a3 | 56 | TransmitBuffer[3] = 0x10; |
Cheroukee | 1:ea1b52d0a8a3 | 57 | |
Cheroukee | 1:ea1b52d0a8a3 | 58 | // Frame ID |
Cheroukee | 1:ea1b52d0a8a3 | 59 | TransmitBuffer[4] = 0x01; |
Cheroukee | 1:ea1b52d0a8a3 | 60 | |
Cheroukee | 1:ea1b52d0a8a3 | 61 | // Should set address if different from coordinator |
Cheroukee | 1:ea1b52d0a8a3 | 62 | //TransmitBuffer[5] = |
Cheroukee | 1:ea1b52d0a8a3 | 63 | |
Cheroukee | 1:ea1b52d0a8a3 | 64 | // 16-bit address, broadcast address |
Cheroukee | 1:ea1b52d0a8a3 | 65 | TransmitBuffer[13] = 0xFF; |
Cheroukee | 1:ea1b52d0a8a3 | 66 | TransmitBuffer[14] = 0xFE; |
Cheroukee | 1:ea1b52d0a8a3 | 67 | |
Cheroukee | 1:ea1b52d0a8a3 | 68 | // Max hops, 0 = max |
Cheroukee | 1:ea1b52d0a8a3 | 69 | TransmitBuffer[15] = 0x00; |
Cheroukee | 1:ea1b52d0a8a3 | 70 | |
Cheroukee | 1:ea1b52d0a8a3 | 71 | // Transmit options |
Cheroukee | 1:ea1b52d0a8a3 | 72 | TransmitBuffer[16] = 0x00; |
Cheroukee | 1:ea1b52d0a8a3 | 73 | |
Cheroukee | 1:ea1b52d0a8a3 | 74 | // Insert buffer data |
Cheroukee | 1:ea1b52d0a8a3 | 75 | for (int i = 0; i < length; i++) |
Cheroukee | 1:ea1b52d0a8a3 | 76 | { |
Cheroukee | 1:ea1b52d0a8a3 | 77 | TransmitBuffer[17 + i] = buffer[i]; |
Cheroukee | 1:ea1b52d0a8a3 | 78 | } |
Cheroukee | 1:ea1b52d0a8a3 | 79 | |
Cheroukee | 1:ea1b52d0a8a3 | 80 | // Calculate checksum |
Cheroukee | 1:ea1b52d0a8a3 | 81 | for (int i = 3; i < 17 + length; i++) |
Cheroukee | 1:ea1b52d0a8a3 | 82 | { |
Cheroukee | 1:ea1b52d0a8a3 | 83 | checksum -= TransmitBuffer[i]; |
Cheroukee | 1:ea1b52d0a8a3 | 84 | } |
Cheroukee | 1:ea1b52d0a8a3 | 85 | |
Cheroukee | 1:ea1b52d0a8a3 | 86 | // Insert checksum into buffer |
Cheroukee | 1:ea1b52d0a8a3 | 87 | TransmitBuffer[17 + length] = checksum; |
Cheroukee | 1:ea1b52d0a8a3 | 88 | |
Cheroukee | 1:ea1b52d0a8a3 | 89 | for (int i = 0; i < 17 + length + 1; i++) |
Cheroukee | 1:ea1b52d0a8a3 | 90 | { |
Cheroukee | 1:ea1b52d0a8a3 | 91 | xbee.putc(TransmitBuffer[i]); |
Cheroukee | 1:ea1b52d0a8a3 | 92 | } |
Cheroukee | 1:ea1b52d0a8a3 | 93 | |
Cheroukee | 1:ea1b52d0a8a3 | 94 | xbee_led = !xbee_led; |
Cheroukee | 1:ea1b52d0a8a3 | 95 | return false; |
Cheroukee | 1:ea1b52d0a8a3 | 96 | } |
Cheroukee | 1:ea1b52d0a8a3 | 97 | |
Cheroukee | 1:ea1b52d0a8a3 | 98 | int receive_buffer(char* buffer, int max_length) |
Cheroukee | 1:ea1b52d0a8a3 | 99 | { |
Cheroukee | 1:ea1b52d0a8a3 | 100 | return 0; |
Cheroukee | 1:ea1b52d0a8a3 | 101 | } |