Mercurial > mbsePi-apps / file comparison
comparison: thermferm/slcd.c
thermferm/slcd.c
- changeset 422
- 13502d0dda65
- parent 420
- 644a6106d712
- child 423
- 02653162b03b
equal
deleted
inserted
replaced
| 421:0258107a9e72 | 422:13502d0dda65 |
|---|---|
| 44 #define SEND_PORT 6554 | 44 #define SEND_PORT 6554 |
| 45 | 45 |
| 46 | 46 |
| 47 struct sockaddr_in sendaddr; /* Server send socket */ | 47 struct sockaddr_in sendaddr; /* Server send socket */ |
| 48 int sock = -1; | 48 int sock = -1; |
| 49 uint16_t keys = 0x0000; | |
| 49 | 50 |
| 50 extern int debug; | 51 extern int debug; |
| 51 | 52 |
| 52 | 53 |
| 53 void putLCDsocket(int fd, uint16_t data) | 54 void putLCDsocket(int fd, uint16_t data) |
| 54 { | 55 { |
| 56 socklen_t slen; | |
| 57 uint16_t rdat; | |
| 58 | |
| 55 if (sock == -1) | 59 if (sock == -1) |
| 56 return; | 60 return; |
| 57 | 61 |
| 58 if (sendto(sock, &data, sizeof(uint16_t), 0, (struct sockaddr *)&sendaddr, sizeof(sendaddr)) != sizeof(uint16_t)) { | 62 if (sendto(sock, &data, sizeof(uint16_t), 0, (struct sockaddr *)&sendaddr, sizeof(sendaddr)) != sizeof(uint16_t)) { |
| 59 syslog(LOG_NOTICE, "Socket send failed, closing socket: %s", strerror(errno)); | 63 syslog(LOG_NOTICE, "Socket send failed, closing socket: %s", strerror(errno)); |
| 60 if (shutdown(sock, SHUT_RDWR)) { | 64 if (shutdown(sock, SHUT_RDWR)) { |
| 61 syslog(LOG_NOTICE, "Can't shutdown socket: %s", strerror(errno)); | 65 syslog(LOG_NOTICE, "Can't shutdown socket: %s", strerror(errno)); |
| 62 } | 66 } |
| 63 sock = -1; | 67 sock = -1; |
| 64 // } else { | 68 } else { |
| 69 if (recvfrom(sock, &rdat, sizeof(uint16_t), 0, (struct sockaddr *) &sendaddr, &slen) != sizeof(uint16_t)) { | |
| 70 syslog(LOG_NOTICE, "Socket recvfrom failed, closing socket: %s", strerror(errno)); | |
| 71 } else { | |
| 72 if ((rdat & SLCD_MKEYS) == SLCD_KEYS) { | |
| 73 if (((rdat & 0x00ff) != keys) && debug) | |
| 74 fprintf(stdout, "received keys %04x was %04x\n", rdat & 0x00ff, keys); | |
| 75 keys = rdat & 0x00ff; | |
| 76 } else { | |
| 77 if (debug) | |
| 78 fprintf(stdout, "received %04x\n", rdat); | |
| 79 } | |
| 80 | |
| 81 } | |
| 65 } | 82 } |
| 66 } | 83 } |
| 67 | 84 |
| 85 | |
| 86 | |
| 87 void slcdDummy(int fd) | |
| 88 { | |
| 89 putLCDsocket(fd, SLCD_NULL); | |
| 90 } | |
| 68 | 91 |
| 69 | 92 |
| 70 //void slcdHome(int fd) | 93 //void slcdHome(int fd) |
| 71 //{ | 94 //{ |
| 72 //} | 95 //} |
