159 lines
3.2 KiB
C
159 lines
3.2 KiB
C
#include "module.h"
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#include "lauxlib.h"
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#include "platform.h"
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#include <string.h>
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#include <time.h>
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#include <sys/time.h>
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#include "lwip/apps/sntp.h"
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#define ADD_TABLE_ITEM(L, key, val) \
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lua_pushinteger (L, val); \
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lua_setfield (L, -2, key);
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static void inline time_tmToTable(lua_State *L, struct tm *date)
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{
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lua_createtable (L, 0, 9);
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ADD_TABLE_ITEM (L, "yday", date->tm_yday + 1);
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ADD_TABLE_ITEM (L, "wday", date->tm_wday + 1);
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ADD_TABLE_ITEM (L, "year", date->tm_year + 1900);
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ADD_TABLE_ITEM (L, "mon", date->tm_mon + 1);
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ADD_TABLE_ITEM (L, "day", date->tm_mday);
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ADD_TABLE_ITEM (L, "hour", date->tm_hour);
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ADD_TABLE_ITEM (L, "min", date->tm_min);
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ADD_TABLE_ITEM (L, "sec", date->tm_sec);
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ADD_TABLE_ITEM (L, "dst", date->tm_isdst);
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}
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static int time_get(lua_State *L)
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{
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struct timeval tv;
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gettimeofday (&tv, NULL);
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lua_pushnumber (L, tv.tv_sec);
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lua_pushnumber (L, tv.tv_usec);
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return 2;
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}
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static int time_set(lua_State *L)
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{
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uint32_t sec = luaL_checknumber (L, 1);
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uint32_t usec = 0;
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if (lua_isnumber (L, 2))
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usec = lua_tonumber (L, 2);
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struct timeval tv = { sec, usec };
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settimeofday (&tv, NULL);
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return 0;
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}
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static int time_getLocal(lua_State *L)
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{
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time_t now;
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struct tm date;
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time(&now);
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localtime_r(&now, &date);
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/* construct Lua table */
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time_tmToTable(L, &date);
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return 1;
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}
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static int time_setTimezone(lua_State *L)
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{
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const char *timezone = luaL_checkstring(L, 1);
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setenv("TZ", timezone, 1);
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tzset();
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return 0;
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}
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static int time_initNTP(lua_State *L)
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{
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size_t l;
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const char *server = luaL_optlstring (L, 1, "pool.ntp.org", &l);
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sntp_setoperatingmode(SNTP_OPMODE_POLL);
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sntp_setservername(0, server);
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sntp_init();
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return 0;
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}
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static int time_ntpEnabled(lua_State *L)
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{
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lua_pushboolean(L, sntp_enabled());
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return 1;
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}
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static int time_ntpStop(lua_State *L)
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{
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sntp_stop();
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return 0;
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}
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static int time_epoch2cal(lua_State *L)
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{
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struct tm *date;
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time_t now = luaL_checkint (L, 1);
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luaL_argcheck (L, now >= 0, 1, "wrong arg range");
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date = gmtime (&now);
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/* construct Lua table */
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time_tmToTable(L, date);
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return 1;
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}
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static int time_cal2epoc(lua_State *L)
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{
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struct tm date;
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luaL_checkanytable (L, 1);
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lua_getfield (L, 1, "year");
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date.tm_year = luaL_optinteger(L, -1, 1900) - 1900;
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lua_getfield (L, 1, "mon");
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date.tm_mon = luaL_optinteger(L, -1, 1) - 1;
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lua_getfield (L, 1, "day");
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date.tm_mday = luaL_optinteger(L, -1, 0);
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lua_getfield (L, 1, "hour");
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date.tm_hour = luaL_optinteger(L, -1, 0);
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lua_getfield (L, 1, "min");
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date.tm_min = luaL_optinteger(L, -1, 0);
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lua_getfield (L, 1, "sec");
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date.tm_sec = luaL_optinteger(L, -1, 0);
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lua_pushnumber (L, mktime(&date));
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return 1;
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}
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LROT_BEGIN(time)
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LROT_FUNCENTRY(set, time_set)
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LROT_FUNCENTRY(get, time_get)
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LROT_FUNCENTRY(getlocal, time_getLocal)
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LROT_FUNCENTRY(settimezone, time_setTimezone)
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LROT_FUNCENTRY(initntp, time_initNTP)
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LROT_FUNCENTRY(ntpenabled, time_ntpEnabled)
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LROT_FUNCENTRY(ntpstop, time_ntpStop)
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LROT_FUNCENTRY(epoch2cal, time_epoch2cal)
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LROT_FUNCENTRY(cal2epoch, time_cal2epoc)
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LROT_END(time, NULL, 0)
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NODEMCU_MODULE(TIME, "time", time, NULL);
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