Machine Vision Status TCP Server
Dependencies: C12832 EthernetInterface mbed-rtos mbed ConfigFile
TcpDaemon.h@7:23c8d34000eb, 2015-06-14 (annotated)
- Committer:
- dwini
- Date:
- Sun Jun 14 10:45:10 2015 +0000
- Revision:
- 7:23c8d34000eb
- Parent:
- 5:7a32c081a3fa
- Child:
- 8:845dfadaa70d
Add simple PLC status indicator and some minor changes.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dwini | 1:8efef658d90b | 1 | #ifndef TCP_DAEMON_HEADER |
dwini | 1:8efef658d90b | 2 | #define TCP_DAEMON_HEADER |
dwini | 1:8efef658d90b | 3 | |
dwini | 2:a8eebf64cd3e | 4 | #include "mbed.h" |
dwini | 4:339a85b66476 | 5 | #include "EthernetInterface.h" |
dwini | 7:23c8d34000eb | 6 | #include "PlcStatusIndicator.h" |
dwini | 2:a8eebf64cd3e | 7 | |
dwini | 1:8efef658d90b | 8 | #define MAX_BACKLOG 1 |
dwini | 4:339a85b66476 | 9 | #define TRIGGER_MSG "TRIGGER\r\n" |
dwini | 1:8efef658d90b | 10 | |
dwini | 5:7a32c081a3fa | 11 | #define STR_FAIL "FAIL\r\n" |
dwini | 5:7a32c081a3fa | 12 | #define STR_OK "OK\r\n" |
dwini | 5:7a32c081a3fa | 13 | #define STR_CLEAR "CLEAR\r\n" |
dwini | 5:7a32c081a3fa | 14 | |
dwini | 1:8efef658d90b | 15 | namespace MachineVision{ |
dwini | 1:8efef658d90b | 16 | |
dwini | 1:8efef658d90b | 17 | class TcpDaemon{ |
dwini | 1:8efef658d90b | 18 | public: |
dwini | 1:8efef658d90b | 19 | const static int BUFFER_SIZE = 512; |
dwini | 2:a8eebf64cd3e | 20 | const static int TCP_TIMEOUT = 250; |
dwini | 3:254a2671a8e3 | 21 | const static int TCP_ACCEPT_TIMEOUT = 500; |
dwini | 2:a8eebf64cd3e | 22 | const static int MAX_READ_TIMEOUTS = 10; // Maximum number of times to retry to read for rest of message |
dwini | 4:339a85b66476 | 23 | |
dwini | 1:8efef658d90b | 24 | private: |
dwini | 1:8efef658d90b | 25 | int server_port; |
dwini | 1:8efef658d90b | 26 | TCPSocketServer server; |
dwini | 1:8efef658d90b | 27 | TCPSocketConnection client; |
dwini | 1:8efef658d90b | 28 | |
dwini | 1:8efef658d90b | 29 | char buffer[BUFFER_SIZE+1]; |
dwini | 1:8efef658d90b | 30 | bool keepListening; |
dwini | 2:a8eebf64cd3e | 31 | |
dwini | 3:254a2671a8e3 | 32 | DigitalOut accept_led; |
dwini | 2:a8eebf64cd3e | 33 | DigitalOut receive_led; |
dwini | 4:339a85b66476 | 34 | |
dwini | 5:7a32c081a3fa | 35 | // Status Indicator |
dwini | 7:23c8d34000eb | 36 | PlcStatusIndicator * status_indicator; |
dwini | 1:8efef658d90b | 37 | |
dwini | 1:8efef658d90b | 38 | public: |
dwini | 1:8efef658d90b | 39 | /* |
dwini | 1:8efef658d90b | 40 | * TcpDaemon constructor |
dwini | 1:8efef658d90b | 41 | * |
dwini | 1:8efef658d90b | 42 | * @server_port the port the daemon will be listening on |
dwini | 1:8efef658d90b | 43 | */ |
dwini | 7:23c8d34000eb | 44 | TcpDaemon(int server_port, PinName accept_led_pin, PinName receive_led_pin, PlcStatusIndicator * indicator); |
dwini | 1:8efef658d90b | 45 | |
dwini | 1:8efef658d90b | 46 | /* |
dwini | 1:8efef658d90b | 47 | * Make the daemon start listening for incoming connections |
dwini | 1:8efef658d90b | 48 | */ |
dwini | 1:8efef658d90b | 49 | void startListening(); |
dwini | 1:8efef658d90b | 50 | |
dwini | 1:8efef658d90b | 51 | private: |
dwini | 1:8efef658d90b | 52 | /* |
dwini | 1:8efef658d90b | 53 | * Bind to server socket |
dwini | 1:8efef658d90b | 54 | * |
dwini | 1:8efef658d90b | 55 | * @return true on success |
dwini | 1:8efef658d90b | 56 | */ |
dwini | 1:8efef658d90b | 57 | bool bindSocket(); |
dwini | 1:8efef658d90b | 58 | |
dwini | 1:8efef658d90b | 59 | /* |
dwini | 1:8efef658d90b | 60 | * Listen for incoming connections |
dwini | 1:8efef658d90b | 61 | */ |
dwini | 1:8efef658d90b | 62 | void doListen(); |
dwini | 1:8efef658d90b | 63 | }; |
dwini | 1:8efef658d90b | 64 | } |
dwini | 1:8efef658d90b | 65 | |
dwini | 1:8efef658d90b | 66 | #endif |