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

extern int const cfgRamType;
extern int const cfgRamDiv;
extern const char cfgFreeRAM[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 ram_sensor= {0,0,0,0,init,deinit,tick,getValue,0,getColor,0};

static char* values;
static int color,maxRAM;

static void init(int rewidth)
{
    color = Color2ColorByRenderBit(&cfgFreeRAM[0]);
    ram_sensor.type=cfgRamType;
    ram_sensor.div=cfgRamDiv;
    if ((rewidth)||(values==0)) {
        deinit();
        values = malloc(uiWidth);
        zeromem(values, uiWidth);
    }
}

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

static void tick()
{
    int r = GetFreeRamAvail();
    if (r>maxRAM) maxRAM=r;
    int h=ram_sensor.hhh;
    values[h] = uiHeight * r / maxRAM;
    if(++h>=uiWidth) h=0;
    ram_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;
}