ADS1118: problem with ADS1118

/* program modified for  on-off controller modified in 
control action loop    */

// ADC module connections
#define  Chip_Select1 PORTC.F1
#define  Chip_Select2 PORTC.F2
sbit Chip_Select_Direction1 at TRISC1_bit;
sbit Chip_Select_Direction2 at TRISC2_bit;
//sbit Din_Select_Direction at TRISC4_bit;
#define dout PORTC.F4
#define dout_pin TRISC.F4
#define ts_config1 0x85
#define ts_config2 0x9B
#define tc1_config1 0x85
#define tc1_config2 0x8B
#define tc2_config1 0xB5
#define tc2_config2 0x8B
// End ADC module connections
#define out1 portb.f4
#define out2 portb.f5
#define out3 portb.f3
#define out4 porta.f0
//LCD connections
sbit LCD_RS at RA4_bit;
sbit LCD_EN at RA5_bit;
sbit LCD_D4 at RA0_bit;
sbit LCD_D5 at RA1_bit;
sbit LCD_D6 at RA2_bit;
sbit LCD_D7 at RA3_bit;

sbit LCD_RS_Direction at TRISA4_bit;
sbit LCD_EN_Direction at TRISA5_bit;
sbit LCD_D4_Direction at TRISA0_bit;
sbit LCD_D5_Direction at TRISA1_bit;
sbit LCD_D6_Direction at TRISA2_bit;
sbit LCD_D7_Direction at TRISA3_bit;
  unsigned int abc=0;
typedef enum _lcd_function
{
  ln1=0x80,ln3=0x94,
  ln2=0xC0,ln4=0xD4
} _LCD_function;
const char *textt   = "Temp:";
const char *textb = "PORTB.F1 = b";
const char *texty = "PORTB.F1 = Y";
 ///////////////////////////////////////////////////////////////////
const unsigned int m_v[] = {0,50,101,151,202,253,303,354,405,456,
507,558,609,660,711,762,814,865,916,968,
1019,1071,1122,1174,1226,1277,1329,1381,1433,1485,
1537,1589,1641,1693,1745,1797,1849,1902,1954,2006,
2059,2111,2164,2216,2269,2322,2374,2427,2480,2532,
2585,2638,2691,2744,2797,2850,2903,2956,3009,3062,
3116,3169,3222,3275,3329,3382,3436,3489,3543,3596,
3650,3703,3757,3810,3864,3918,3971,4025,4079,4133,
4187,4240,4294,4348,4402,4456,4510,4564,4618,4672,
4726,4781,4835,4889,4943,4997,5052,5106,5160,5215,
5269,5323,5378,5432,5487,5541,5595,5650,5705,5759,
5814,5868,5923,5977,6032,6087,6141,6196,6251,6306,
6360,6415,6470,6525,6579,6634,6689,6744,6799,6854,
6909,6964,7019,7074,7129,7184,7239,7294,7349,7404,
7459,7514,7569,7624,7679,7734,7789,7844,7900,7955,
8010,8065,8120,8175,8231,8286,8341,8396,8452,8507,
8562,8618,8673,8728,8783,8839,8894,8949,9005,9060,
9115,9171,9226,9282,9337,9392,9448,9503,9559,9614,
9669,9725,9780,9836,9891,9947,10002,10057,10113,10168,
10224,10279,10335,10390,10446,10501,10557,10612,10668,10723,
10779,10834,10890,10945,11001,11056,11112,11167,11223,11278,
11334,11389,11445,11501,11556,11612,11667,11723,11778,11834,
11889,11945,12000,12056,12111,12167,12222,12278,12334,12389,
12445,12500,12556,12611,12667,12722,12778,12833,12889,12944,
13000,13056,13111,13167,13222,13278,13333,13389,13444,13500,
13555,13611,13666,13722,13777,13833,13888,13944,13999,14055,
14110,14166,14221,14277,14332,14388,14443,14499,14554,14609,
14665,14720,14776,14831,14887,14942,14998,15053,15109,15164,
15219,15275,15330,15386,15441,15496,15552,15607,15663,15718,
15773,15829,15884,15940,15995,16050,16106,16161,16216,16272,
16327,16383,16438,16493,16549,16604,16659,16715,16770,16825,
16881,16936,16991,17046,17102,17157,17212,17268,17323,17378,
17434,17489,17544,17599,17655,17710,17765,17820,17876,17931,
17986,18041,18097,18152,18207,18262,18318,18373,18428,18483,
18538,18594,18649,18704,18759,18814,18870,18925,18980,19035,
19090,19146,19201,19256,19311,19366,19422,19477,19532,19587,
19642,19697,19753,19808,19863,19918,19973,20028,20083,20139,
20194,20249,20304,20359,20414,20469,20525,20580,20635,20690,
20745,20800,20855,20911,20966,21021,21076,21131,21186,21241,
21297,21352,21407,21462,21517,21572,21627,21683,21738,21793,
21848,21903,21958,22014,22069,22124,22179,22234,22289,22345,
22400,22455,22510,22565,22620,22676,22731,22786,22841,22896,
22952,23007,23062,23117,23172,23228,23283,23338,23393,23449,
23504,23559,23614,23670,23725,23780,23835,23891,23946,24001,
24057,24112,24167,24223,24278,24333,24389,24444,24499,24555,
24610,24665,24721,24776,24832,24887,24943,24998,25053,25109,
25164,25220,25275,25331,25386,25442,25497,25553,25608,25664,
25720,25775,25831,25886,25942,25998,26053,26109,26165,26220,
26276,26332,26387,26443,26499,26555,26610,26666,26722,26778,
26834,26889,26945,27001,27057,27113,27169,27225,27281,27337,
27393,27449,27505,27561,27617,27673,27729,27785,27841,27897};
float tc_1 = 0.0,tc_2=0.0,cmv=0,temper1=0.0,fc=0.0;
unsigned int temperature_1=0, c_m=0,temp=0;
unsigned int tx_data,tim=0,timb=0,timy=0;
unsigned short txs[4]={0},ang_zr=0,a=0,zz=0,zcd=0;
unsigned short temp1=0,temp2=0, buffer;
unsigned int rr=0,y=122,b=242,angle=0,rtimer=0,ytimer=0,btimer=0,ofc1=40,ofc2=40,ofc3=40,ofc4=40;
unsigned int fi1_on1=0,fi1_on2=0,fi2_on1=0,fi2_on2=0,fi3_on1=0,fi3_on2=0,fi4_on1=0,fi4_on2=0,er[4]={0},erp[4]={0},erpp[4]={0},f_a[4]={0};
unsigned int fi1_of1=0,fi1_of2=0,fi2_of1=0,fi2_of2=0,fi3_of1=0,fi3_of2
=0,fi4_of1=0,fi4_of2=0,spt[5],rxra[10],t_mm[6],mt[6];
void message(unsigned short ln,unsigned short pos,const char *ar)
{
unsigned short i=0;
Lcd_cmd(ln+pos-1);
do
  {
    Lcd_chr_cp(ar[i++]);
  } while(ar[i]!=0);
}
/////////////////////////////////////////////////////////////////////////
void disp_float_data(float disp_d)
{
    char txt[15];
    IRP_bit=1;
    FloatToStr_FixLen(disp_d,txt,6);
    Lcd_Chr_cp(txt[0]);
    Lcd_Chr_cp(txt[1]);
    Lcd_Chr_cp(txt[2]);
    Lcd_Chr_cp(txt[3]);
    Lcd_Chr_cp(txt[4]);
    Lcd_Chr_cp(txt[5]);
    IRP_bit=0;
}
/////////////////////////////////////////////////////////////////////////
void disp_int_data(unsigned int disp_d)
{
    char txt[7];
    IntToStr(disp_d, txt);
    Lcd_Chr_cp(txt[0]);
    Lcd_Chr_cp(txt[1]);
    Lcd_Chr_cp(txt[2]);
    Lcd_Chr_cp(txt[3]);
    Lcd_Chr_cp(txt[4]);
    Lcd_Chr_cp(txt[5]);
    Lcd_Chr_cp(txt[6]);
    Lcd_Chr_cp(txt[7]);
}
void convert(unsigned int *t_m)
{
unsigned int i=0,j=0,k=0, te[6]={0};

tc_1=(t_m[0]>>2)*0.03125;
temp=(unsigned int)(tc_1);
c_m=m_v[temp];
for(j=2;j<6;j++)
{
if(t_m[j]==0x7FFF)
{
 mt[++k]= 2000;
}
else
{
cmv=c_m+(t_m[j]*7.81);
te[0]=(unsigned int)cmv;
//t_m=t_m1000;
//temperature_1=cmv;
for(i=0;i<500;i++)
{
if(m_v[i]>te[0])
{
te[1]=m_v[i];
te[2]=m_v[i-1];
temperature_1=i-1;
break;
}
}
te[3] = te[0]-te[2];
te[4]= te[1]-te[2];
fc = te[3]*10/te[4];
temperature_1 = temperature_1*100;
fc = (fc*100);
te[5] = (unsigned int) (fc);
temperature_1 = temperature_1+te[5];
 mt[++k] = temperature_1*0.01;
}
}
}
///////////////////////////////////////////////////////////////////////////////
void set_extint(void)
{
//<<<<<<<<--make pin 21 as ext. interrupt-->>>>>>>>
TRISB.F0=1;
OPTION_REG=0x80;
INTCON.INTE=1;
INTCON=0xD0;
}
////////////////////////////////////////////////////////
void timer1_init(void)
{
 //<<<<<<<<<--Set Timer1 for 55.6 us-->>>>>>>>>>>>>>
 TMR1H=0xFE;
 TMR1L=0xE9;
 T1CON=0x00;
 PIE1.TMR1IE=1;          // enable TIMER2 interrupt
 INTCON=0x00;
}
////////////////////////////////////////////////////////

/////////////port initilisation/////////////////////
void port_initialise(void)
{
ANSEL=0x00;
ANSELH=0x00;
TRISA=0x00;
OPTION_REG=0x80;
TRISB=0x07;
PORTB=0x07;
TRISC=0x10;
PORTC=0x10;

}
/*void interrupt(void)
{
////////////////////////////////////////////////////////
 if(INTCON.INTF)
 {
  INTCON.INTF=0;
  if(T1CON.TMR1ON==0)T1CON.TMR1ON=1;
  OPTION_REG=0x80;
  if(ang_zr++==1)
  {  
  tim = 0;
  ang_zr = 0;
  }
  if(zcd==0)
  {
  zz = PORTB & 0x06;
  a = zz;
  while(a == (zz))
  {
   zz= PORTB;
   zz = zz&0x06;
  }
  if(zz == 0x02)
  {
    timy=120;
    timb=240;
  }
  if(zz == 0x04)
  {
    timb=120;
    timy=240;
  }
  zcd=1;
  }
  //return;
 }
if(PIR1.TMR1IF)           //55.6us timer
{
  PIR1.TMR1IF=0;
  TMR1H=0xFE;
  TMR1L=0xF0;
//out3=!out3;
  if(tim++==0)
  {
   rr = 0;
  }
  if(tim==timb)
  {
   y = 0;
  }
  if(tim==timy)
  {
   b = 0;
  }
 //if(angle>359)angle=0;
  if(((++rr>=fi1_on1) && (rr<fi1_of1))||((rr>=fi1_on2) && (rr<fi1_of2)))
  {
  out1=1;
  }
  else
  {
  out1=0;
 //out2=0;
 //out3=0;
  }
  if((++y>=fi2_on1 && y<fi2_of1)||(y>=fi2_on2 && y<fi2_of2))
  {
  out2=1;
  }
  else
  {
  out2=0;
  }
  if((++b>=fi3_on1 && b<fi3_of1)||(b>=fi3_on2 && b<fi3_of2))
  {
  out3=1;
  }
  else
  {
   out3=0;
  }
  if((b>=fi4_on1 && b<fi4_of1)||(b>=fi4_on2 && b<fi4_of2))
  {
  out4=1;
  }
  else
  {
  out4=0;
  }
 //T1CON.TMR1ON=1;
 }
}
void fr_ang(unsigned int fis1,unsigned int fis2,unsigned int fis3,unsigned int fis4)
{
fi1_on1=fis1;
fi1_of1=fis1+ofc1;
fi1_on2=fis1+180;
fi1_of2=fis1+180+ofc1;
fi2_on1=fis2;
fi2_of1=fis2+ofc2;
fi2_on2=fis2+180;
fi2_of2=fis2+180+ofc2;
fi3_on1=fis3;
fi3_of1=fis3+ofc3;
fi3_on2=fis3+180;
fi3_of2=fis3+180+ofc3;
fi4_on1=fis4;
fi4_of1=fis4+ofc4;
fi4_on2=fis4+180;
fi4_of2=fis4+180+ofc4;
} */
void con_ac(void)
{
  unsigned short i=0;
  unsigned int k1[4]={10,10,10,10};
  float dc,k2[4]={0.1,0.1,0.1,0.1},k3[4]={0.1,0.1,0.1,0.1};
  // PID control action
  /*  for(i=1;i<4;i++)
  {
  er[i]=spt[i]-mt[i];
  dc=k1[i]*(er[i]-erp[i])+k2[i]*er[i]+k3[i]*(erp[i]-2*er[i]+erpp[i]);
  if(dc>10)f_a[i]=0;
  else f_a[i]=dc/10;
  erpp[i]=erp[i];
  erp[i]=er[i];
  }
  fr_ang(f_a[0],f_a[1],f_a[2],f_a[3]);    */
  
  
  //for on off control
  if(spt[1]>mt[1])out1=1; else out1=0;
  if(spt[2]>mt[2])out2=1; else out2=0;
  if(spt[3]>mt[3])out3=1; else out3=0;
  if(spt[4]>mt[4])out4=1; else out4=0;
}

void main()
{
 unsigned int t_temp,c_temp=0,ref_temp=0;
 //unsigned short ts_config[6]={0x8F,0x9B,0x8F,0x8B,0xBF,0x8B},j=0,i=0;
 unsigned short ts_config[6]={0x8F,0x9B,0xBF,0x8B,0x8F,0x8B},j=0,i=0;
 spt[1]=50;
 spt[2]=50;
 spt[3]=50;
 spt[4]=50;
 //fr_ang(10,0,10,10);
 port_initialise();
 ///////////////////////
 // timer and phase detection are commented
 /*timer1_init();
 fr_ang(40,40,40,40);
 set_extint();    */
 out1=1;
 out2=1;
 out3=1;
 out4=1;
 Delay_ms(1000);
 out1=0;
 out2=0;
 out3=0;
 out4=0;
 Chip_Select_Direction1 = 0;             // Set CS# pin as Output
 Chip_Select_Direction2 = 0;
 /*Chip_Select1 = 1;
 Lcd_Init();
 Lcd_Cmd(_LCD_CLEAR);
 Delay_ms(300);
 Lcd_Cmd(_LCD_CURSOR_OFF);
 //Chip_Select2 = ;                       // select
// dout_pin=1;
 //SPI1_Init();    */
 //void SPIx_Init_Advanced(unsigned short master_slav, unsigned short data_sample, unsigned short clock_idle, unsigned short transmit_edge);
 SPI1_Init_Advanced(_SPI_MASTER_OSC_DIV64, _SPI_DATA_SAMPLE_END, _SPI_CLK_IDLE_LOW, _SPI_HIGH_2_LOW);
 Delay_ms(1000);
 mt[1]=0;
 mt[2]=0;
 mt[3]=0;
 mt[4]=0;
 do
 {
  con_ac();
/*if(zz==0x02)
{
message(ln1,1,textb);
}
if(zz==0x04)
{
message(ln1,1,texty);
}  */
 Chip_Select1 = 0;
 Chip_Select2 = 1;
 ////////ADS1118-1//////////////////////
  i=0;
  j=0;
  SPI1_Write(ts_config[j]);
  SPI1_Write(ts_config[j+1]);
  delay_ms(1);
  while(i<3)
  {
   while(dout!=0);
   j=+2;
   temp1 = SPI1_Read(ts_config[j]);
   temp2 = SPI1_Read(ts_config[j+1]);
   Delay_ms(1);
   t_mm[i++]=((temp1<<8)|temp2);
   }
    ////////ADS1118-2//////////////////////
  j=0;
  Chip_Select1 = 1;
  Chip_Select2 = 0;
  SPI1_Write(ts_config[j]);
  SPI1_Write(ts_config[j+1]);
  delay_ms(1);
  while(i<6)
  {
   while(dout!=0);
   j=+2;
   temp1 = SPI1_Read(ts_config[j]);
   temp2 = SPI1_Read(ts_config[j+1]);
   Delay_ms(1);
   t_mm[i++]=((temp1<<8)|temp2);
   }

   tc_1=(t_mm[0]>>2)*0.03125;
   tc_2=(t_mm[3]>>2)*0.03125;
   convert(&t_mm);
 //convert(&rxra);
 // con_ac(&t_mm);
 message(ln1,1,textt);
 disp_float_data(temper1);
 //goto a2;
 }
while(1);
}