int pgqtriga_make_sql(PgqTriggerEvent *ev, StringInfo sql)
{
TriggerData *tg = ev->tgdata;
TupleDesc tupdesc;
int i;
int attcnt;
int need_event = 1;
tupdesc = tg->tg_relation->rd_att;
/*
* Count number of active columns
*/
for (i = 0, attcnt = 0; i < tupdesc->natts; i++) {
if (tupdesc->attrs[i]->attisdropped)
continue;
attcnt++;
}
/*
* Determine cmdtype and op_data depending on the command type
*/
if (TRIGGER_FIRED_BY_INSERT(tg->tg_event)) {
process_insert(ev, sql);
} else if (TRIGGER_FIRED_BY_UPDATE(tg->tg_event)) {
need_event = process_update(ev, sql);
} else if (TRIGGER_FIRED_BY_DELETE(tg->tg_event)) {
process_delete(ev, sql);
} else
elog(ERROR, "logtriga fired for unhandled event");
return need_event;
}
/**
This method sets gpio to operate as pwm
@param gpio - sets pin number according to numbering scheme
@param duty - value from 0 to 255. 0 - output is always 0, 255 - output is always 1, 1-254 - intermediate values
*/
static int start_pwm(const unsigned char gpio, const unsigned char duty){
int error = 0;
dbg_print("start_pwm_func con=%d duty=%d\r\n", gpio, duty);
if ( (error = alloc_gpio(gpio, duty)) != SWPWM_OK ){
dbg_print("Alloc gpio error %d\r\n", error);
return -error;
}
dbg_print("Start_PWM: Before process update\r\n");
process_update();
dbg_print("Start_PWM: After process update\r\n");
return 0;
}
void core_loop(void) {
SDL_Event event;
while (! app.exit) {
while (SDL_PollEvent(&event)) {
event_handle(&event);
}
if (! timer.paused) {
process_update();
view_update();
}
view_render();
timer_step();
}
}
/**
This method tunes SOFT PWM period
@param period - from 1 to 10000
*/
static int set_period(const unsigned int period){
swpwm_period = period;
process_update();
return 0;
}
/**
This method disables gpio to operate as pwm
@param gpio - sets pin number according to numbering scheme
GPIO is configured as input and all resources, allocated with the device are freed
*/
static int stop_pwm(const unsigned char gpio){
free_gpio(gpio);
process_update();
return 0;
}
