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Implementing optional parameter `restart` to tmr:start() (#3111)

This commit is contained in:
Lukáš Voborský 2020-08-29 21:43:50 +02:00 committed by GitHub
parent 87030a87ea
commit d72ea91ed0
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 72 additions and 65 deletions
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131
app/modules/tmr.c
View File

@ -56,35 +56,35 @@ static sint32_t soft_watchdog = -1;
static os_timer_t rtc_timer;
static void alarm_timer_common(void* arg){
tmr_t *tmr = (tmr_t *) arg;
if(tmr->lua_ref > 0) {
lua_State* L = lua_getstate();
lua_rawgeti(L, LUA_REGISTRYINDEX, tmr->lua_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, tmr->self_ref);
if (tmr->mode != TIMER_MODE_AUTO) {
if(tmr->mode == TIMER_MODE_SINGLE) {
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->lua_ref);
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->self_ref);
tmr->mode = TIMER_MODE_OFF;
} else if (tmr->mode == TIMER_MODE_SEMI) {
tmr->mode |= TIMER_IDLE_FLAG;
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->self_ref);
}
}
luaL_pcallx(L, 1, 0);
}
tmr_t *tmr = (tmr_t *) arg;
if(tmr->lua_ref > 0) {
lua_State* L = lua_getstate();
lua_rawgeti(L, LUA_REGISTRYINDEX, tmr->lua_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, tmr->self_ref);
if (tmr->mode != TIMER_MODE_AUTO) {
if(tmr->mode == TIMER_MODE_SINGLE) {
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->lua_ref);
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->self_ref);
tmr->mode = TIMER_MODE_OFF;
} else if (tmr->mode == TIMER_MODE_SEMI) {
tmr->mode |= TIMER_IDLE_FLAG;
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->self_ref);
}
}
luaL_pcallx(L, 1, 0);
}
}
// Lua: tmr.delay( us )
static int tmr_delay( lua_State* L ){
sint32_t us = luaL_checkinteger(L, 1);
luaL_argcheck(L, us>0, 1, "wrong arg range");
luaL_argcheck(L, us>0, 1, "wrong arg range");
while(us > 0){
os_delay_us(us >= 1000000 ? 1000000 : us);
system_soft_wdt_feed ();
us -= 1000000;
}
return 0;
return 0;
}
// Lua: tmr.now() , return system timer in us
@ -125,19 +125,26 @@ static int tmr_register(lua_State* L) {
return 0;
}
// Lua: t:start()
// Lua: t:start( [restart] )
static int tmr_start(lua_State* L){
tmr_t *tmr = (tmr_t *) luaL_checkudata(L, 1, "tmr.timer");
int idle = tmr->mode & TIMER_IDLE_FLAG;
lua_settop(L, 2);
luaL_argcheck(L, lua_isboolean(L, 2) || lua_isnil(L, 2), 2, "boolean expected");
int restart = lua_toboolean(L, 2);
lua_settop(L, 1); /* ignore any args after the userdata */
lua_settop(L, 1); /* ignore any args after the userdata */
if (tmr->self_ref == LUA_NOREF)
tmr->self_ref = luaL_ref(L, LUA_REGISTRYINDEX);
if(idle) {
tmr->mode &= ~TIMER_IDLE_FLAG;
//we return false if the timer is not idle
int idle = tmr->mode&TIMER_IDLE_FLAG;
if(!(idle || restart)){
lua_pushboolean(L, 0);
}else{
if (!idle) {os_timer_disarm(&tmr->os);}
tmr->mode &= ~TIMER_IDLE_FLAG;
os_timer_arm(&tmr->os, tmr->interval, tmr->mode==TIMER_MODE_AUTO);
}
}
lua_pushboolean(L, !idle); /* false if the timer is not idle */
return 1;
}
@ -151,8 +158,8 @@ static int tmr_alarm(lua_State* L){
// Lua: t:stop()
static int tmr_stop(lua_State* L){
tmr_t *tmr = (tmr_t *) luaL_checkudata(L, 1, "tmr.timer");
int idle = tmr->mode == TIMER_MODE_OFF || (tmr->mode & TIMER_IDLE_FLAG);
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->self_ref);
int idle = tmr->mode == TIMER_MODE_OFF || (tmr->mode & TIMER_IDLE_FLAG);
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->self_ref);
if(!idle)
os_timer_disarm(&tmr->os);
@ -169,14 +176,14 @@ static int tmr_stop(lua_State* L){
#define tmr_suspend_all tmr_suspend_removed
#define tmr_resume_all tmr_suspend_removed
static int tmr_suspend_removed(lua_State* L){
return luaL_error(L, TMR_SUSPEND_REMOVED_MSG);
return luaL_error(L, TMR_SUSPEND_REMOVED_MSG);
}
#endif
// Lua: t:unregister()
static int tmr_unregister(lua_State* L){
tmr_t *tmr = (tmr_t *) luaL_checkudata(L, 1, "tmr.timer");
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->self_ref);
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->self_ref);
luaL_unref2(L, LUA_REGISTRYINDEX, tmr->lua_ref);
if(!(tmr->mode & TIMER_IDLE_FLAG) && tmr->mode != TIMER_MODE_OFF)
os_timer_disarm(&tmr->os);
@ -207,8 +214,8 @@ static int tmr_state(lua_State* L){
return 1;
}
lua_pushboolean(L, (tmr->mode & TIMER_IDLE_FLAG) == 0);
lua_pushinteger(L, tmr->mode & (~TIMER_IDLE_FLAG));
lua_pushboolean(L, (tmr->mode & TIMER_IDLE_FLAG) == 0);
lua_pushinteger(L, tmr->mode & (~TIMER_IDLE_FLAG));
return 2;
}
@ -265,7 +272,7 @@ static int tmr_time( lua_State* L ){
static int tmr_softwd( lua_State* L ){
int t = luaL_checkinteger(L, 1);
luaL_argcheck(L, t>0 , 2, "invalid time");
soft_watchdog = t;
soft_watchdog = t;
return 0;
}
@ -282,37 +289,37 @@ static int tmr_create( lua_State *L ) {
// Module function map
LROT_BEGIN(tmr_dyn, NULL, LROT_MASK_GC_INDEX)
LROT_FUNCENTRY( __gc, tmr_unregister )
LROT_TABENTRY( __index, tmr_dyn )
LROT_FUNCENTRY( register, tmr_register )
LROT_FUNCENTRY( alarm, tmr_alarm )
LROT_FUNCENTRY( start, tmr_start )
LROT_FUNCENTRY( stop, tmr_stop )
LROT_FUNCENTRY( unregister, tmr_unregister )
LROT_FUNCENTRY( state, tmr_state )
LROT_FUNCENTRY( interval, tmr_interval )
LROT_FUNCENTRY( __gc, tmr_unregister )
LROT_TABENTRY( __index, tmr_dyn )
LROT_FUNCENTRY( register, tmr_register )
LROT_FUNCENTRY( alarm, tmr_alarm )
LROT_FUNCENTRY( start, tmr_start )
LROT_FUNCENTRY( stop, tmr_stop )
LROT_FUNCENTRY( unregister, tmr_unregister )
LROT_FUNCENTRY( state, tmr_state )
LROT_FUNCENTRY( interval, tmr_interval )
#ifdef TIMER_SUSPEND_ENABLE
LROT_FUNCENTRY( suspend, tmr_suspend )
LROT_FUNCENTRY( resume, tmr_resume )
LROT_FUNCENTRY( suspend, tmr_suspend )
LROT_FUNCENTRY( resume, tmr_resume )
#endif
LROT_END(tmr_dyn, NULL, LROT_MASK_GC_INDEX)
LROT_BEGIN(tmr, NULL, 0)
LROT_FUNCENTRY( delay, tmr_delay )
LROT_FUNCENTRY( now, tmr_now )
LROT_FUNCENTRY( wdclr, tmr_wdclr )
LROT_FUNCENTRY( softwd, tmr_softwd )
LROT_FUNCENTRY( time, tmr_time )
LROT_FUNCENTRY( ccount, tmr_ccount )
LROT_FUNCENTRY( delay, tmr_delay )
LROT_FUNCENTRY( now, tmr_now )
LROT_FUNCENTRY( wdclr, tmr_wdclr )
LROT_FUNCENTRY( softwd, tmr_softwd )
LROT_FUNCENTRY( time, tmr_time )
LROT_FUNCENTRY( ccount, tmr_ccount )
#ifdef TIMER_SUSPEND_ENABLE
LROT_FUNCENTRY( suspend_all, tmr_suspend_all )
LROT_FUNCENTRY( resume_all, tmr_resume_all )
LROT_FUNCENTRY( suspend_all, tmr_suspend_all )
LROT_FUNCENTRY( resume_all, tmr_resume_all )
#endif
LROT_FUNCENTRY( create, tmr_create )
LROT_NUMENTRY( ALARM_SINGLE, TIMER_MODE_SINGLE )
LROT_NUMENTRY( ALARM_SEMI, TIMER_MODE_SEMI )
LROT_NUMENTRY( ALARM_AUTO, TIMER_MODE_AUTO )
LROT_FUNCENTRY( create, tmr_create )
LROT_NUMENTRY( ALARM_SINGLE, TIMER_MODE_SINGLE )
LROT_NUMENTRY( ALARM_SEMI, TIMER_MODE_SEMI )
LROT_NUMENTRY( ALARM_AUTO, TIMER_MODE_AUTO )
LROT_END(tmr, NULL, 0)
@ -327,14 +334,14 @@ int luaopen_tmr( lua_State *L ){
os_timer_setfn(&rtc_timer, rtc_callback, NULL);
os_timer_arm(&rtc_timer, 1000, 1);
// The function rtc_callback calls the a function that calibrates the SoftRTC
// for drift in the esp8266's clock. My guess: after the duration of light_sleep
// there is bound to be some drift in the clock, so a calibration is due.
SWTIMER_REG_CB(rtc_callback, SWTIMER_RESUME);
// The function rtc_callback calls the a function that calibrates the SoftRTC
// for drift in the esp8266's clock. My guess: after the duration of light_sleep
// there is bound to be some drift in the clock, so a calibration is due.
SWTIMER_REG_CB(rtc_callback, SWTIMER_RESUME);
// The function alarm_timer_common handles timers created by the developer via
// tmr.create(). No reason not to resume the timers, so resume em'.
SWTIMER_REG_CB(alarm_timer_common, SWTIMER_RESUME);
// The function alarm_timer_common handles timers created by the developer via
// tmr.create(). No reason not to resume the timers, so resume em'.
SWTIMER_REG_CB(alarm_timer_common, SWTIMER_RESUME);
return 0;
}

6
docs/modules/tmr.md
View File

@ -273,13 +273,13 @@ mytimer:start()
### tobj:start()
Starts or restarts a previously configured timer.
Starts or restarts a previously configured timer. If the timer is running the timer is restarted only when `restart` parameter is `true`. Otherwise `false` is returned signaling error.
#### Syntax
`tobj:start()`
`tobj:start([restart])`
#### Parameters
None
- `restart` optional boolean parameter forcing to restart already running timer
#### Returns
`true` if the timer was started, `false` on error