示例#1
0
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);
	}
}
示例#2
0
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());
	
}
示例#3
0
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;
	}
}