X-Git-Url: https://git.smho.de/gw/?p=owSlave2.git;a=blobdiff_plain;f=DS2438_ADC%2FDS2438_ADC.c;fp=DS2438_ADC%2FDS2438_ADC.c;h=625dd0b0a2019c746eb9a51fd3c95173c7baec9f;hp=0000000000000000000000000000000000000000;hb=81a79648a168a1167c5ad97d4068621c1751a353;hpb=6467d8138460abffd9ddabc7b0a9f00c764af19c

diff --git a/DS2438_ADC/DS2438_ADC.c b/DS2438_ADC/DS2438_ADC.c
new file mode 100644
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--- /dev/null
+++ b/DS2438_ADC/DS2438_ADC.c
@@ -0,0 +1,191 @@
+// Copyright (c) 2017, 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>
+
+
+extern void OWINIT();
+extern void EXTERN_SLEEP();
+
+uint8_t owid[8]={0x26, 0xA3, 0xD9, 0x84, 0xDD, 0xDD, 0x05, 0xF9};/**/
+uint8_t config_info[26]={0x01,0x06, 0x05,0x08, 0x06,0x08, 0x00,0x00, 0x02,0x09,0x00,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+
+
+
+extern uint8_t mode;
+extern uint8_t gcontrol;
+extern uint8_t reset_indicator;
+extern uint8_t alarmflag;
+
+volatile uint8_t wdcounter;
+
+
+typedef union {
+
+	volatile uint8_t bytes[64];
+	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
+		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
+	};
+} pack_t;
+volatile pack_t pack;
+
+
+volatile int16_t am2302_temp;
+volatile uint16_t am2302_hum;
+
+
+
+volatile uint8_t am2302_mode=0;
+volatile uint8_t timeout=0;
+
+
+
+
+
+
+uint8_t userRegister[1];
+int16_t sRH,sT;
+volatile double temperatureC,humidityRH;
+volatile double l;
+
+#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
+	wdcounter++;
+	if (reset_indicator==1) reset_indicator++;
+	else if (reset_indicator==2) mode=0;
+}
+	
+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);
+}
+
+
+
+
+
+
+
+
+	int main(void){
+		PRR|=(1<<PRUSI);   //  usi for save Power
+		PORTA=0xFF-(1<<PORTA5);  
+		PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom
+		DDRB|=(1<<PORTB0); //Als Ausgang und 0
+		
+		
+		OWINIT();
+
+		ACSR|=(1<<ACD);  //Disable Comparator
+		//ADCSRB|=(1<<ACME); //Disable Analog multiplexer
+		MCUCR &=~(1<<PUD); //All Pins Pullup...
+		MCUCR |=(1<<BODS);
+		ADCSRA=(1<<ADEN)|(1<ADPS0)|(1<<ADPS2);
+		DIDR0|=(1<<ADC5D);
+		ADMUX=5; //VCC as ref
+		PORTA&=~(1<<PORTA5);  
+		// Set up Watch Dog Timer for Inactivity
+		WDTCSR |= (1<<WDCE) ;   // Enable the WD Change Bit
+		WDTCSR =   (1<<WDIE) |              // Enable WDT Interrupt
+			(1<<WDP2) | (1<<WDP1);   // Set Timeout to ~2 seconds		
+		
+		
+		sei();
+		
+		while(1)   {
+			if (gcontrol) {
+				wdcounter=16;
+				gcontrol=0;
+			}
+			if (wdcounter>=16) {
+				uint16_t sum=0;
+				for(uint8_t i=0;i<16;i++) {
+					ADCSRA|=(1<<ADSC);
+					while ((ADCSRA&(1<<ADSC)));
+					sum=sum+ADC;
+				}
+				//5V=0x03FF0 (16 x 0x3FF)  5V=50C 50C = 50*256
+				am2302_temp=sum*0.782;
+				am2302_hum=sum/32.736;
+				wdcounter=0;
+			}
+			
+			
+
+			if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))	  {
+				MCUCR|=(1<<SE)|(1<<SM1);
+				MCUCR&=~(1<<ISC01);
+				} else {
+				MCUCR|=(1<<SE);
+				MCUCR&=~(1<<SM1);
+			}
+			asm("SLEEP");
+		}
+
+
+	}
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