//
// Created by YY on 2020/8/11.
//

#include "odo_graph.h"
#include "../test_items2/road_exam.h"
#include "../common/apptimer.h"
#include "../utils/xconvert.h"

static double odoGraph;
static struct RtkTime odoTimer;
static double odoPrevSpeed;
static int odoCnt;

void ResetOdo(void)
{
    odoCnt = 0;
    odoGraph = 0;
}

double ReadOdo(void)
{
    return odoGraph;
}

void UpdataOdo(double speed, int moveDirect, const struct RtkTime *rtkTime) {
    // 行驶距离，不包含倒车
    if (odoCnt == 0 && moveDirect == 1) {
        odoPrevSpeed = speed;
        odoCnt = 1;
        odoTimer = *rtkTime;
    } else if (odoCnt == 1) {
        if (moveDirect == 1) {
            uint32_t tm = TimeGetDiff(rtkTime, &odoTimer);
            if (tm >= D_SEC(1)) {
                odoGraph += ((double) tm) * (odoPrevSpeed + speed) / 2.0 / 1000.0;
                odoTimer = *rtkTime;
                odoPrevSpeed = speed;
            }
        } else {
            odoCnt = 0;
        }
    }
}