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path: root/robot/hypervisor.c
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#include "hypervisor.h"
#include "../shared/errcatch.h"
#include "../shared/util.h"
#include "io.h"
#include "modes.h"
#include "orangutan_shim.h"
#include "sercomm.h"

uint64_t g_w2_hypervisor_cycles							   = 0;
uint64_t g_w2_hypervisor_uptime_qs						   = 0;
unsigned long g_w2_hypervisor_ema_sercomm_qs			   = 0;
unsigned long g_w2_hypervisor_ema_errcatch_qs			   = 0;
unsigned long g_w2_hypervisor_ema_io_qs					   = 0;
unsigned long g_w2_hypervisor_ema_mode_qs				   = 0;
uint64_t g_w2_hypervisor_timers[W2_HYPERVISOR_TIMER_COUNT] = {0};

uint64_t g_w2_hypervisor_qs_timer_offset	= 0;

unsigned int g_w2_ping_ms = 0;
uint8_t g_w2_ping_id	  = 0;
bool g_w2_ping_received	  = true;
bool g_w2_ping_timeout	  = false;
bool g_w2_connected		  = false;

w2_e_target_area g_w2_target_area = W2_AREA_CHRG;

void w2_hypervisor_main() {
#ifdef W2_SIM
	w2_sim_cycle_begin();
	if (DBG_ENABLE_CYCLEINFO) siminfo("cycle start\n");
#endif

	g_w2_hypervisor_uptime_qs += w2_get_qs();
	w2_time_reset();

	w2_sercomm_main();
	unsigned long sercomm_time = w2_get_qs();
	w2_errcatch_main();
	unsigned long errcatch_time = w2_get_qs() - sercomm_time;
	w2_io_main();
	unsigned long io_time = w2_get_qs() - errcatch_time;
	w2_modes_main();
	unsigned long mode_time = w2_get_qs() - io_time;

	// calculate exponential moving averages
	g_w2_hypervisor_ema_sercomm_qs =
		w2_util_exp_mov_avg(g_w2_hypervisor_ema_sercomm_qs, sercomm_time);
	g_w2_hypervisor_ema_errcatch_qs =
		w2_util_exp_mov_avg(g_w2_hypervisor_ema_errcatch_qs, errcatch_time);
	g_w2_hypervisor_ema_io_qs	= w2_util_exp_mov_avg(g_w2_hypervisor_ema_io_qs, io_time);
	g_w2_hypervisor_ema_mode_qs = w2_util_exp_mov_avg(g_w2_hypervisor_ema_mode_qs, mode_time);

	if ((mode_time / 1e3) > W2_MAX_MODULE_CYCLE_MS) w2_errcatch_throw(W2_E_WARN_CYCLE_EXPIRED);

#ifdef W2_SIM
	if (DBG_ENABLE_CYCLEINFO) siminfo("cycle end\n");
	if (DBG_CYCLE_DELAY > 0) usleep(DBG_CYCLE_DELAY);

	if (DBG_MAX_CYCLES > -1 && g_w2_hypervisor_cycles > DBG_MAX_CYCLES) exit(0);
#endif

	g_w2_hypervisor_cycles++;
}

uint64_t w2_get_qs() {
	return ticks_to_microseconds(get_ticks()) - g_w2_hypervisor_qs_timer_offset;
}

uint64_t w2_get_ms() {
	return w2_get_qs() / 1e3;
}

void w2_time_reset() { g_w2_hypervisor_qs_timer_offset = ticks_to_microseconds(get_ticks()); }

void w2_hypervisor_time_start(uint8_t label) {
	g_w2_hypervisor_timers[label] = g_w2_hypervisor_uptime_qs;
}

uint64_t w2_hypervisor_time_end(uint8_t label) {
	return (g_w2_hypervisor_uptime_qs - g_w2_hypervisor_timers[label]) / 1e3;
}