Suga koubou
Tiny SNTP(NTP) Client
Dependencies: EthernetNetIf mbed
TinySNTP.h@0:41e7cfdbd23a, 2011-07-21 (annotated)
- Committer:
- okini3939
- Date:
- Thu Jul 21 17:53:11 2011 +0000
- Revision:
- 0:41e7cfdbd23a
- Child:
- 1:d3c1871be1e9
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| okini3939 | 0:41e7cfdbd23a | 1 | /* |
| okini3939 | 0:41e7cfdbd23a | 2 | * mbed Tiny SNTP(NTP) Client |
| okini3939 | 0:41e7cfdbd23a | 3 | * Copyright (c) 2011 Hiroshi Suga |
| okini3939 | 0:41e7cfdbd23a | 4 | * Released under the MIT License: http://mbed.org/license/mit |
| okini3939 | 0:41e7cfdbd23a | 5 | */ |
| okini3939 | 0:41e7cfdbd23a | 6 | |
| okini3939 | 0:41e7cfdbd23a | 7 | /** @file |
| okini3939 | 0:41e7cfdbd23a | 8 | * @brief Tiny DNS Resolver |
| okini3939 | 0:41e7cfdbd23a | 9 | */ |
| okini3939 | 0:41e7cfdbd23a | 10 | |
| okini3939 | 0:41e7cfdbd23a | 11 | #ifndef TinySNTP_h |
| okini3939 | 0:41e7cfdbd23a | 12 | #define TinySNTP_h |
| okini3939 | 0:41e7cfdbd23a | 13 | |
| okini3939 | 0:41e7cfdbd23a | 14 | #include <inttypes.h> |
| okini3939 | 0:41e7cfdbd23a | 15 | |
| okini3939 | 0:41e7cfdbd23a | 16 | #define DEBUG |
| okini3939 | 0:41e7cfdbd23a | 17 | |
| okini3939 | 0:41e7cfdbd23a | 18 | #define NTP_PORT 123 |
| okini3939 | 0:41e7cfdbd23a | 19 | #define NTP_SRC_PORT 50420 |
| okini3939 | 0:41e7cfdbd23a | 20 | #define NTP_TIMESTAMP_DELTA 2208988800ull |
| okini3939 | 0:41e7cfdbd23a | 21 | #define NTP_TIMEOUT 15000 // ms |
| okini3939 | 0:41e7cfdbd23a | 22 | |
| okini3939 | 0:41e7cfdbd23a | 23 | struct SNTPPacket { |
| okini3939 | 0:41e7cfdbd23a | 24 | uint8_t info; |
| okini3939 | 0:41e7cfdbd23a | 25 | uint8_t stratum; |
| okini3939 | 0:41e7cfdbd23a | 26 | uint8_t poll; |
| okini3939 | 0:41e7cfdbd23a | 27 | uint8_t precision; |
| okini3939 | 0:41e7cfdbd23a | 28 | |
| okini3939 | 0:41e7cfdbd23a | 29 | uint32_t rootDelay; |
| okini3939 | 0:41e7cfdbd23a | 30 | uint32_t rootDispersion; |
| okini3939 | 0:41e7cfdbd23a | 31 | uint32_t refId; |
| okini3939 | 0:41e7cfdbd23a | 32 | |
| okini3939 | 0:41e7cfdbd23a | 33 | uint32_t refTm_s; |
| okini3939 | 0:41e7cfdbd23a | 34 | uint32_t refTm_f; |
| okini3939 | 0:41e7cfdbd23a | 35 | uint32_t origTm_s; |
| okini3939 | 0:41e7cfdbd23a | 36 | uint32_t origTm_f; |
| okini3939 | 0:41e7cfdbd23a | 37 | uint32_t rxTm_s; |
| okini3939 | 0:41e7cfdbd23a | 38 | uint32_t rxTm_f; |
| okini3939 | 0:41e7cfdbd23a | 39 | uint32_t txTm_s; |
| okini3939 | 0:41e7cfdbd23a | 40 | uint32_t txTm_f; |
| okini3939 | 0:41e7cfdbd23a | 41 | } __attribute__((packed)); |
| okini3939 | 0:41e7cfdbd23a | 42 | |
| okini3939 | 0:41e7cfdbd23a | 43 | int createSntpRequest (char*); |
| okini3939 | 0:41e7cfdbd23a | 44 | int getSntpResponse (const char*, uint32_t *time); |
| okini3939 | 0:41e7cfdbd23a | 45 | |
| okini3939 | 0:41e7cfdbd23a | 46 | /** resolv host by name |
| okini3939 | 0:41e7cfdbd23a | 47 | * @param name NTP server |
| okini3939 | 0:41e7cfdbd23a | 48 | * @param tim time (return) |
| okini3939 | 0:41e7cfdbd23a | 49 | * @return 0:success, -1:failue |
| okini3939 | 0:41e7cfdbd23a | 50 | */ |
| okini3939 | 0:41e7cfdbd23a | 51 | int ntpdate (const char* name, uint32_t *tim); |
| okini3939 | 0:41e7cfdbd23a | 52 | |
| okini3939 | 0:41e7cfdbd23a | 53 | #endif |