#include <swilib.h>
#include <stdlib.h>
#include <stdio.h>
#include "cpumon.h"
#include "conf_loader.h"
#include "render.h"

extern int const cfgGPRSType;
extern int const cfgGPRSDiv;
extern const char cfgGPRS[4];
extern int uiWidth, uiHeight;

static void init(int rewidth);
static void deinit();
static void tick();
static int getValue(const int x,const int h);
static int getColor(const int x,const int h);
TSensor GPRS_sensor= {0,0,0,0,init,deinit,tick,getValue,0,getColor,0};

static char* values;
static int color,maxGPRS,prevGPRS;

static void init(int rewidth)
{
    color = Color2ColorByRenderBit(&cfgGPRS[0]);
    GPRS_sensor.type=cfgGPRSType;
    GPRS_sensor.div=cfgGPRSDiv;
    if ((rewidth)||(values==0)) {
        deinit();
        values = malloc(uiWidth);
        zeromem(values, uiWidth);
        prevGPRS=*GetGPRSTrafficPointer();
    }
}

static void deinit()
{
    mfree(values);
    values=0;
}

static void tick()
{
    RefreshGPRSTraffic();
    int rr = *GetGPRSTrafficPointer();
    int r  = rr-prevGPRS;
    prevGPRS = rr;
    if (r>maxGPRS) maxGPRS = r;
    int h=GPRS_sensor.hhh;
    values[h] = uiHeight * r / maxGPRS;
    if(++h>=uiWidth) h=0;
    GPRS_sensor.hhh=h;
}

static int getValue(const int x,const int h)
{
    return values[h];
}

static int getColor(const int x,const int h)
{
    return color;
}