X-Git-Url: http://git.smho.de/gw/?p=owSlave2.git;a=blobdiff_plain;f=DS18B20_Thermocouble_DS2438_SHT%2FDS18B20_DS2438.c;fp=DS18B20_Thermocouble_DS2438_SHT%2FDS18B20_DS2438.c;h=e78a682a010b08152ffac626f51db188262fc5c3;hp=0000000000000000000000000000000000000000;hb=3f2aceaf525eeceff3baece206b2048bbf286c40;hpb=1624c8ce9acb762d2cdc0b2f6b064448561ff752

diff --git a/DS18B20_Thermocouble_DS2438_SHT/DS18B20_DS2438.c b/DS18B20_Thermocouble_DS2438_SHT/DS18B20_DS2438.c
new file mode 100644
index 0000000..e78a682
--- /dev/null
+++ b/DS18B20_Thermocouble_DS2438_SHT/DS18B20_DS2438.c
@@ -0,0 +1,315 @@
+
+// Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the
+//    distribution.
+//  * All advertising materials mentioning features or use of this
+//    software must display the following acknowledgement: This product
+//    includes software developed by tm3d.de and its contributors.
+//  * Neither the name of tm3d.de nor the names of its contributors may
+//    be used to endorse or promote products derived from this software
+//    without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#define F_CPU 8000000UL
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <avr/wdt.h>
+#include <avr/sleep.h>
+#include <avr/pgmspace.h>
+#include "../common/I2C/USI_TWI_Master.h"
+#include "../common/I2C/SHT2x.h"
+
+
+extern void OWINIT();
+extern void EXTERN_SLEEP();
+
+const float k_rs[54] PROGMEM ={0.000000,24.125000,48.585366,72.731707,96.829268,121.097561,145.700000,170.600000,195.650000,220.625000,245.365854,269.853659,294.119048,318.195122,342.166667,366.000000,389.761905,413.428571,437.023810,460.558140,484.047619,507.511628,530.976190,554.418605,577.883721,601.395349,624.952381,648.571429,672.285714,696.073171,719.976190,744.000000,768.146341,792.439024,816.853659,841.414634,866.125000,890.975000,916.000000,941.179487,966.525000,992.025641,1017.717949,1043.589744,1069.657895,1095.945946,1122.432432,1149.184211,1176.189189,1203.472222,1231.083333,1259.000000,1287.285714,1315.941176};
+//const float j_rs[70] PROGMEM ={0, 18.302913, 34.830476, 50.783019, 70.653704, 90.505455, 110.341818, 130.165455, 149.163636, 160.791071, 180.596364, 200.398214, 220.200000, 240.000000, 250.882883, 270.603636, 290.409091, 310.216364, 330.025455, 342.472727, 360.649091, 380.461818, 400.275000, 420.087273, 435.275676, 450.703636, 470.503636, 490.298214, 510.082456, 523.486726, 540.621053, 560.370175, 580.105172, 591.979487, 610.527119, 630.213559, 644.601653, 660.534426, 680.168852, 690.787097, 710.391935, 729.123810, 740.559375, 760.126562, 770.684615, 790.235385, 800.782812, 820.331250, 834.681250, 850.446032, 870.017460, 880.600000, 900.196774, 911.099187, 930.432787, 950.073333, 960.728333, 980.396667, 1000.078333, 1010.772881, 1030.475862, 1050.187931, 1065.717241, 1080.631034, 1100.358621, 1120.089655, 1131.840000,1150.556897, 1170.294737, 1190.035088};
+double gettemp_rs(double V) {
+	uint8_t iv=(uint8_t)(V);
+	float t0=pgm_read_float(&(k_rs[iv]));
+	float t1=pgm_read_float(&(k_rs[iv+1]));
+	return t0+(t1-t0)/1*(V-iv);
+}
+
+
+
+
+
+uint8_t owid1[8]={0x28, 0xA6, 0xD9, 0x84, 0x00, 0x00, 0x03, 0x68};/**/
+uint8_t owid2[8]={0x26, 0xA7, 0xD9, 0x84, 0x00, 0x00, 0x03, 0x20};/**/
+uint8_t config_info1[16]={0x01,0x02 ,0x00,0x00, 0x00,0x00, 0x00,0x00, 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00};	
+uint8_t config_info2[16]={0x01,0x06, 0x05,0x08, 0x04,0x07, 0x00,0x00, 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00};	
+	
+#if (owid>128) 
+#error "Variable not correct"
+#endif
+
+extern uint8_t mode;
+extern uint8_t gcontrol;
+extern uint8_t reset_indicator;
+extern uint8_t alarmflag;
+volatile uint8_t wdcounter=5;
+
+
+#if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)
+ISR(WATCHDOG_vect) {
+#else
+ISR(WDT_vect) {
+#endif 
+	//sleep_disable();          // Disable Sleep on Wakeup
+	wdcounter++;
+	if (reset_indicator==1) reset_indicator++;
+	else if (reset_indicator==2) mode=0;
+/*	if (timeout==2) {
+		DIS_TIMER;
+		EN_OWINT;
+		mode=OWM_SLEEP;
+	}
+	timeout++;*/
+	//sleep_enable();           // Enable Sleep Mode
+
+}
+
+int testSW(void) {
+	uint8_t r;
+	DDRB&=~(1<<PORTB0);  //Eingang
+	__asm__ __volatile__ ("nop");
+	PORTB|=(1<<PORTB0); //Pullup
+	__asm__ __volatile__ ("nop");
+	__asm__ __volatile__ ("nop");
+	__asm__ __volatile__ ("nop");
+	__asm__ __volatile__ ("nop");
+	__asm__ __volatile__ ("nop");
+	r=PINB&(1<<PORTB0);
+	__asm__ __volatile__ ("nop");
+	PORTB&=~(1<<PORTB0);
+	__asm__ __volatile__ ("nop");
+	DDRB|=(1<<PORTB0);  //Eingang
+	return (r==0);
+	
+	
+}
+
+
+typedef union {
+	volatile uint8_t bytes[8];
+	struct {
+		uint16_t temp;  //0
+		uint8_t TH;  //2
+		uint8_t TL;  //3
+		uint8_t config;  //4
+		uint8_t rrFF; //5
+		uint8_t rr00; //6
+		uint8_t rr10; //7
+	};
+} pack1_t;
+volatile pack1_t pack1;
+
+
+
+typedef union {
+	#if  defined(__AVR_ATtiny25__)
+	volatile uint8_t bytes[16];
+	#else
+	volatile uint8_t bytes[64];
+	#endif
+	struct {
+		uint8_t status;  //1
+		int16_t temp;  //2
+		uint16_t voltage;  //4
+		uint16_t current;  //6
+		uint8_t threshold; //8
+		
+		uint8_t page1[8]; //9
+		#if  defined(__AVR_ATtiny25__)
+		#else
+		uint8_t page2[8]; //17
+		uint8_t page3[8]; //25
+		uint8_t page4[8];  //33
+		uint8_t page5[8];  //41
+		uint8_t page6[8];  //49
+		uint8_t page7[8];  //57
+		//uint8_t crc;  //65
+		#endif
+	};
+} pack2_t;
+volatile pack2_t pack2;
+
+
+volatile double V,ktemp;
+
+uint16_t ADmess() {
+	ADMUX=0b10101101;
+	ADCSRA|=(1<<ADSC);
+	while ((ADCSRA&(1<<ADSC)));
+	return ADC;
+}
+
+volatile int16_t am2302_temp;
+volatile uint16_t am2302_hum;
+
+
+uint8_t userRegister[1];
+int16_t sRH,sT;
+volatile double temperatureC,humidityRH;
+volatile double l;
+
+uint8_t max_adr=0;
+
+int main(void){
+    //PRR|=(1<<PRADC);  // adc for save Power
+	pack1.temp=0x0550;
+	pack1.config=0x7F;
+	pack1.TH=75;
+	pack1.TL=70;
+	pack1.rrFF=0xFF;
+	pack1.rr00=0;
+	pack1.rr10=0x10;
+	PORTA=0xFF-(1<<PINA1)-(1<<PINA2);
+	PORTB=0xFF;
+	OWINIT();
+
+	MCUCR &=~(1<<PUD); //All Pins Pullup...
+	MCUCR |=(1<<BODS);
+
+	WDTCSR |= ((1<<WDCE) );   // Enable the WD Change Bit//| (1<<WDE)
+	WDTCSR |=   (1<<WDIE) |              // Enable WDT Interrupt
+	(1<<WDP2) | (1<<WDP1);   // Set Timeout to ~1 seconds
+	if (testSW()) {
+		config_info2[5]=8;
+		}else{
+		config_info2[5]=7;
+	}
+	MCUSR=0;
+	USI_TWI_Master_Initialise();
+	SHT2x_SoftReset();
+	SHT2x_ReadUserRegister(userRegister);
+	//(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;
+	SHT2x_WriteUserRegister(userRegister); //write changed user reg
+	// --- measure humidity with "Hold Master Mode (HM)" ---
+	SHT2x_MeasurePoll(HUMIDITY, &sRH);
+	// --- measure temperature with "Polling Mode" (no hold master) ---
+	SHT2x_MeasurePoll(TEMP, &sT);
+	//-- calculate humidity and temperature --
+	//temperatureC = SHT2x_CalcTemperatureC(sT);
+	//humidityRH = SHT2x_CalcRH(sRH);
+	
+	gcontrol=1;
+	sei();
+	ADCSRA=(1<<ADEN)|(1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0);
+	//DDRB|=(1<<PINB1);
+
+	uint16_t ares[16],sum;
+	uint8_t par=0;
+	ares[0]=0;//ADmess();
+	for (par=1;par<16;par++) {
+		ares[par]=ares[0];
+	}
+	par=0;
+    while(1)   {
+		if ((gcontrol==2)||(gcontrol==3)) {
+			wdcounter=1;
+			gcontrol=0;
+			
+		}
+		
+		if (wdcounter>0) {
+			if (par==0) {
+				//PORTB|=(1<<PINB1); //Dauer 440ms
+				SHT2x_MeasurePoll(HUMIDITY, &sRH);
+				// --- measure temperature with "Polling Mode" (no hold master) ---
+				SHT2x_MeasurePoll(TEMP, &sT);
+				//-- calculate humidity and temperature --
+				temperatureC = SHT2x_CalcTemperatureC(sT)*10.0-2;
+				humidityRH = SHT2x_CalcRH(sRH)*10.0+5;
+				if (humidityRH>1000) humidityRH=1000;
+				if (testSW()) {
+					am2302_hum= humidityRH*10.0;
+					am2302_temp=temperatureC*25.6;
+					//
+					config_info2[5]=8;
+				}else{
+					double hhum=(1.0546-0.000216*temperatureC)*(humidityRH);
+					//am2302_hum=0.318*hhum +76.0;
+					am2302_hum=0.31*hhum +80;
+					am2302_temp=temperatureC*25.6;
+					//am2302_temp=am2302_temp-45;
+					config_info2[5]=7;
+				}
+			}
+			ares[par]=ADmess();
+			par++;
+			if (par>15) par=0;
+			wdcounter=0;
+		}
+	
+		if (gcontrol==1) {
+			gcontrol=0;
+			sum=0;
+			for(uint8_t i=0;i<16;i++) {
+				sum+=ares[i];
+			}
+			V=sum/20.0/1024.0*1.12*1000.0/16.0;
+			//V=sum/20.0/1024.0*1.01*1000.0/16.0;
+			uint16_t htemp;
+			ktemp=gettemp_rs(V);
+			//htemp=(ktemp*16)/10;
+			htemp=(ktemp*16+temperatureC*1.6)/10;
+
+			uint16_t w=htemp;
+			uint8_t t8=w>>4;
+			uint8_t af=0;
+			if (t8>pack1.TH) af=1;
+			if (t8<=pack1.TL) af=1; 
+			cli();
+			pack1.temp=w;
+			//pack.temp++;
+			alarmflag=af;
+			sei();			
+			EXTERN_SLEEP();		
+		}
+		
+
+		
+#if  defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__)  || defined(__AVR_ATtiny85__)
+			if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
+#endif			
+#if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)
+			if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
+#endif
+			  {
+
+			MCUCR|=(1<<SE)|(1<<SM1);
+			MCUCR&=~(1<<ISC01);
+		} else {
+			MCUCR|=(1<<SE);
+			MCUCR&=~(1<<SM1);
+		}
+		asm("SLEEP");
+   }
+
+
+}
\ No newline at end of file