76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/********************************************************************
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* Light_state class - abstract light state
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*
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* Handles all states and events for a virtual light.
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* Can be eventually subclassed to handle a physical light.
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*
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*******************************************************************/
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#include "be_constobj.h"
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#include "be_mapping.h"
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#include "ccronexpr.h"
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extern uint32_t LocalTime(void);
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static const uint32_t START_VALID_TIME = 1451602800; // Time is synced and after 2016-01-01
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// create
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static cron_expr* ccronexpr_init(struct bvm* vm, char* expr) {
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cron_expr* cron = new cron_expr();
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const char* error = nullptr;
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cron_parse_expr(expr, cron, &error);
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if (error) {
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be_raise(vm, "value_error", error); // TODO any way to pass VM?
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}
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return cron;
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}
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BE_FUNC_CTYPE_DECLARE(ccronexpr_init, "+.p", "@s")
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// deinit
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static void ccronexpr_deinit(cron_expr* cron) {
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delete cron;
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}
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BE_FUNC_CTYPE_DECLARE(ccronexpr_deinit, "", ".")
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// next
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// Returns the next trigger time, or 0 if rtc is invalid
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static uint32_t ccronexpr_next(cron_expr* cron) {
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uint32_t now_local = LocalTime();
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return now_local > START_VALID_TIME ? cron_next(cron, now_local) : 0;
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}
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BE_FUNC_CTYPE_DECLARE(ccronexpr_next, "i", ".")
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// time_reached
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// Compares as uint32_t (Berry only handles int32_t) to avoid the 2038 bug
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// Also prevents from triggering an event if the clock is not set (i.e. year is 1970)
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static bool ccronexpr_time_reached(uint32_t date) {
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uint32_t now_local = LocalTime();
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bool reached = (date <= now_local);
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return now_local > START_VALID_TIME ? reached : false;
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}
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BE_FUNC_CTYPE_DECLARE(ccronexpr_time_reached, "b", "i")
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// now (local time)
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static uint32_t ccronexpr_now(void) {
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return LocalTime();
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}
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BE_FUNC_CTYPE_DECLARE(ccronexpr_now, "i", "")
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#include "be_fixed_be_class_ccronexpr.h"
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/* @const_object_info_begin
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class be_class_ccronexpr (scope: global, name: ccronexpr) {
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.p, var // pointer to cron_expr*
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init, ctype_func(ccronexpr_init)
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// deinit, ctype_func(ccronexpr_deinit)
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next, ctype_func(ccronexpr_next)
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time_reached, static_ctype_func(ccronexpr_time_reached)
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now, static_ctype_func(ccronexpr_now)
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}
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@const_object_info_end */
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