X-Git-Url: http://git.smho.de/gw/?p=owSlave2.git;a=blobdiff_plain;f=DS18B20_VOC_DS2438_SHT%2FDS18B20_DS2438.c;h=5a0094ea7119b3519e66bb213af0b475f877a72d;hp=d455f89528666bad8d861f9d60cc30a476690118;hb=0f5b4d994ac87afdd294f6fc79692bcf92e337de;hpb=c612a6c03106176eb24430e254ea8a1dfd8e1343

diff --git a/DS18B20_VOC_DS2438_SHT/DS18B20_DS2438.c b/DS18B20_VOC_DS2438_SHT/DS18B20_DS2438.c
index d455f89..5a0094e 100644
--- a/DS18B20_VOC_DS2438_SHT/DS18B20_DS2438.c
+++ b/DS18B20_VOC_DS2438_SHT/DS18B20_DS2438.c
@@ -190,6 +190,7 @@ uint8_t cmode=0;
 double R0=0;
 int16_t hr;
 uint8_t startup=5;
+uint8_t reset_R0=0;
 
 int main(void){
     PRR|=(1<<PRADC);  // adc for save Power
@@ -261,9 +262,32 @@ int main(void){
 	sei();
 	//DDRB|=(1<<PINB1);
     while(1)   {
+		if (pack1.config==0x1F) {
+			if (reset_R0==0) {
+				reset_R0=1;
+				pack1.config=0x7F;
+				R0=0;
+				hr=R0*100;
+				pack2.page3[0]=hr&0xFF;
+				pack2.page3[1]=(hr>>8)&0xFF;
+				
+				while(EECR & (1<<EEPE));
+				EECR = (0<<EEPM1)|(0<<EEPM0);
+				EEARL = 0;
+				EEDR = hr&0xFF;
+				EECR |= (1<<EEMPE);
+				EECR |= (1<<EEPE);
+				while(EECR & (1<<EEPE));
+				EECR = (0<<EEPM1)|(0<<EEPM0);
+				EEARL = 1;
+				EEDR = hr>>8;
+				EECR |= (1<<EEMPE);
+				EECR |= (1<<EEPE);
+
+			}
+		} else reset_R0=0;			//PORTB|=(1<<PINB1); //Dauer 440ms
 		if (wdcounter>0) {
 			if (startup!=0) startup--;
-			//PORTB|=(1<<PINB1); //Dauer 440ms
 			SHT2x_MeasurePoll(HUMIDITY, &sRH);
 			// --- measure temperature with "Polling Mode" (no hold master) ---
 			SHT2x_MeasurePoll(TEMP, &sT);
@@ -310,7 +334,8 @@ int main(void){
 			pack2.page3[6]=(hr>>8)&0xFF;
 			
 			l=l/ip;
-			if (startup!=0){
+			
+			if (startup==0){
 			if (l>R0) {
 				R0=l;
 				hr=R0*100;
@@ -334,7 +359,7 @@ int main(void){
 			}
 			 l=l/R0;
 			l=log(1/l);
-			l=l*160; //fuer DS18B20
+			l=l*160*4; //fuer DS18B20
 			wdcounter=0;
 			
 		}