void proses_data_adc(void)
{
unsigned char temp;
if (cek_adc_rdy() == 1)
{
st_adc.count++;
st_adc.data[ st_adc.cur_kanal ] = baca_data();
st_adc.cur_kanal++;
if (st_adc.cur_kanal == 10)
{
/* satu round 10 kanal sudah selesai */
st_adc.cur_kanal = 0;
}
if (st_adc.cur_kanal == 8)
temp = (unsigned char) ((14 << 4) + range_420);
else if (st_adc.cur_kanal == 9)
temp = (unsigned char) ((15 << 4) + range_420);
else
temp = (unsigned char) ((st_adc.cur_kanal << 4) + range_420);
set_adccon(temp);
}
}
void start_adc_1(int fdx)
{
int i;
unsigned char temp_char;
unsigned char kanal_aktif;
st_adc.cur_kanal = 0;
printf("Starting ADC collecting data !\r\n");
/*
range adc thermocouple adalah fix di range_adc
lihat di ad7708.h header
sedangkan range_adc untuk thermocouple adalah
tergantung masing2 kanal
kanal 1 - 5 adalah RTD
kanal 6 - 10 adalah 4-20 mA
output dari opamp RTD, jika 100 C adalah 0.3 Volt
sehingga kanal 1 - 5 harus dipakai range
320 mV
*/
#ifdef BOARD_KOMON_B_THERMO
temp_char = (unsigned char) ((st_adc.cur_kanal << 4) + range_adc);
#endif
#ifdef BOARD_KOMON_A_RTD
temp_char = (unsigned char) ((st_adc.cur_kanal << 4) + range_RTD);
#endif
#ifdef BOARD_KOMON_420_SAJA
temp_char = (unsigned char) ((st_adc.cur_kanal << 4) + range_420);
#endif
#ifdef BOARD_KOMON_420_SABANG_2_3
temp_char = (unsigned char) ((st_adc.cur_kanal << 4) + range_420);
#endif
set_adccon(temp_char);
set_mode((unsigned char) (3 + 16)); //continuous sampling + CHCON // 0x03 | 0x10
//cek filter
printf(" FILTER ADC = %d ;", (unsigned char) cek_filter());
printf(" ADCCON = %d ;", (unsigned char) cek_adccon());
printf(" MODE = %d\r\n",(unsigned char) cek_mode());
}
char kalibrasi_adc1(int fdy)
{
unsigned char er;
char ada_adc_1;
int t;
int loop_ulang;
int loop;
int loop_full_calib;
//unsigned char kanal_aktif;
unsigned char temp_char;
unsigned char cek;
unsigned int mask;
printf("Start calibrating ADC");
stop_adc();
set_calibrated(0);
vTaskDelay(100);
reset_adc();
vTaskDelay(100);
//cek ID
cek = cek_adc_id();
printf(" id = 0x%X \n", cek);
vTaskDelay(10);
set_iocon(0x00);
er = 0;
ada_adc_1 = false;
for (t=0; t<10; t++)
{
temp_char = (unsigned char) ((er << 4) + 15); // 0x0F
if (er == 8)
temp_char = (unsigned char) ((14 << 4) + 15);
if (er == 9)
temp_char = (unsigned char) ((15 << 4) + 15);
loop_ulang = 0;
kalib_ulang:
loop_ulang++;
set_adccon(temp_char);
/* kalibrasi zero scale + CHCON */
set_mode(4 + 16);
cek = cek_adccon();
//if (cek != temp_char) printf(" !%d ", cek);
//serial_puts("tidak cocok");
vTaskDelay(1);
loop = 0;
printf(" : Kanal %3d : ", (1+t));
while ((cek_mode() & 0x3) != 0x1)
{
vTaskDelay(10);
loop++;
if (loop > 50)
{
if (loop_ulang < 6)
{
printf(" recalib ");
goto kalib_ulang;
}
printf("\n gagal !\r\n");
ada_adc_1 = false;
break;
}
}
if (loop < 50)
{
printf(" try = %d (OK)\n", loop);
ada_adc_1 = true;
}
/*
if (ada_adc_1 == false)
{
printf("tidak terdapat ADC");
return 1;
//break;
}
*/
er++;
}
if (ada_adc_1 == true)
{
set_filter((unsigned char) rate_7708);
printf(" ADC iocon %d", cek_iocon());
printf("; adccon %d", cek_adccon());
printf("; mode %d\r\n", cek_mode());
set_iocon(0x00);
set_calibrated(1);
return 1;
}
else
{
set_calibrated(0);
return 0;
}
}