meshtastic-firmware/src/OSTimer.cpp

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1.3 KiB
C++
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2020-05-03 02:51:25 +00:00
#include "OSTimer.h"
#include "configuration.h"
#ifdef NO_ESP32
/**
* Schedule a callback to run. The callback must _not_ block, though it is called from regular thread level (not ISR)
*
* NOTE! xTimerPend... seems to ignore the time passed in on ESP32 - I haven't checked on NRF52
*
* @return true if successful, false if the timer fifo is too full.
*/
bool scheduleOSCallback(PendableFunction callback, void *param1, uint32_t param2, uint32_t delayMsec)
{
return xTimerPendFunctionCall(callback, param1, param2, pdMS_TO_TICKS(delayMsec));
}
#else
// Super skanky quick hack to use hardware timers of the ESP32
static hw_timer_t *timer;
static PendableFunction tCallback;
static void *tParam1;
static uint32_t tParam2;
static void IRAM_ATTR onTimer()
{
(*tCallback)(tParam1, tParam2);
}
bool scheduleHWCallback(PendableFunction callback, void *param1, uint32_t param2, uint32_t delayMsec)
{
if (!timer) {
timer = timerBegin(0, 80, true); // one usec per tick (main clock is 80MhZ on ESP32)
assert(timer);
timerAttachInterrupt(timer, &onTimer, true);
}
tCallback = callback;
tParam1 = param1;
tParam2 = param2;
timerAlarmWrite(timer, delayMsec * 1000L, false); // Do not reload, we want it to be a single shot timer
timerRestart(timer);
timerAlarmEnable(timer);
return true;
}
#endif