Esempi in C++ (Cpp) per _timer_get_icr

Esempio n. 1

File: avr_timer.c Progetto: bsekisser/simavr

static void
avr_timer_reconfigure(
		avr_timer_t * p, uint8_t reset)
{
	avr_t * avr = p->io.avr;

	// cancel everything
	avr_timer_cancel_all_cycle_timers(avr, p, 1);

	switch (p->wgm_op_mode_kind) {
		case avr_timer_wgm_normal:
			avr_timer_configure(p, p->cs_div_value, p->wgm_op_mode_size, reset);
			break;
		case avr_timer_wgm_fc_pwm:
			avr_timer_configure(p, p->cs_div_value, p->wgm_op_mode_size, reset);
			break;
		case avr_timer_wgm_ctc: {
			avr_timer_configure(p, p->cs_div_value, _timer_get_ocr(p, AVR_TIMER_COMPA), reset);
		}	break;
		case avr_timer_wgm_pwm: {
			uint16_t top = (p->mode.top == avr_timer_wgm_reg_ocra) ?
				_timer_get_ocr(p, AVR_TIMER_COMPA) : _timer_get_icr(p);
			avr_timer_configure(p, p->cs_div_value, top, reset);
		}	break;
		case avr_timer_wgm_fast_pwm:
			avr_timer_configure(p, p->cs_div_value, p->wgm_op_mode_size, reset);
			break;
		case avr_timer_wgm_none:
			avr_timer_configure(p, p->cs_div_value, p->wgm_op_mode_size, reset);
			break;
		default: {
			uint8_t mode = avr_regbit_get_array(avr, p->wgm, ARRAY_SIZE(p->wgm));
			AVR_LOG(avr, LOG_WARNING, "TIMER: %s-%c unsupported timer mode wgm=%d (%d)\n",
					__FUNCTION__, p->name, mode, p->mode.kind);
		}
	}	
}

Esempio n. 2

File: avr_timer.c Progetto: justinbrewer/simavr

static void avr_timer_reconfigure(avr_timer_t * p)
{
	avr_t * avr = p->io.avr;

	avr_timer_wgm_t zero={0};
	p->mode = zero;
	// cancel everything
	p->comp[AVR_TIMER_COMPA].comp_cycles = 0;
	p->comp[AVR_TIMER_COMPB].comp_cycles = 0;
	p->comp[AVR_TIMER_COMPC].comp_cycles = 0;
	p->tov_cycles = 0;
	
	avr_cycle_timer_cancel(avr, avr_timer_tov, p);
	avr_cycle_timer_cancel(avr, avr_timer_compa, p);
	avr_cycle_timer_cancel(avr, avr_timer_compb, p);
	avr_cycle_timer_cancel(avr, avr_timer_compc, p);

	long clock = avr->frequency;

	// only can exists on "asynchronous" 8 bits timers
	if (avr_regbit_get(avr, p->as2))
		clock = 32768;

	uint8_t cs = avr_regbit_get_array(avr, p->cs, ARRAY_SIZE(p->cs));
	if (cs == 0) {
		AVR_LOG(avr, LOG_TRACE, "TIMER: %s-%c clock turned off\n", __FUNCTION__, p->name);
		return;
	}

	uint8_t mode = avr_regbit_get_array(avr, p->wgm, ARRAY_SIZE(p->wgm));
	uint8_t cs_div = p->cs_div[cs];
	uint32_t f = clock >> cs_div;

	p->mode = p->wgm_op[mode];
	//printf("%s-%c clock %d, div %d(/%d) = %d ; mode %d\n", __FUNCTION__, p->name, clock, cs, 1 << cs_div, f, mode);
	switch (p->mode.kind) {
		case avr_timer_wgm_normal:
			avr_timer_configure(p, f, (1 << p->mode.size) - 1);
			break;
		case avr_timer_wgm_fc_pwm:
			avr_timer_configure(p, f, (1 << p->mode.size) - 1);
			break;
		case avr_timer_wgm_ctc: {
			avr_timer_configure(p, f, _timer_get_ocr(p, AVR_TIMER_COMPA));
		}	break;
		case avr_timer_wgm_pwm: {
			uint16_t top = p->mode.top == avr_timer_wgm_reg_ocra ? _timer_get_ocr(p, AVR_TIMER_COMPA) : _timer_get_icr(p);
			avr_timer_configure(p, f, top);
		}	break;
		case avr_timer_wgm_fast_pwm:
			avr_timer_configure(p, f, (1 << p->mode.size) - 1);
			break;
		default:
			AVR_LOG(avr, LOG_WARNING, "TIMER: %s-%c unsupported timer mode wgm=%d (%d)\n",
					__FUNCTION__, p->name, mode, p->mode.kind);
	}	
}