VOC, Programmer with 4MHz (posible)
[owSlave2.git] / DS18B20_VOC / DS18B20_VOC.c
1
2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
3 // All rights reserved.
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
7 // met:
8 //
9 //  * Redistributions of source code must retain the above copyright
10 //    notice, this list of conditions and the following disclaimer.
11 //  * Redistributions in binary form must reproduce the above copyright
12 //    notice, this list of conditions and the following disclaimer in the
13 //    documentation and/or other materials provided with the
14 //    distribution.
15 //  * All advertising materials mentioning features or use of this
16 //    software must display the following acknowledgement: This product
17 //    includes software developed by tm3d.de and its contributors.
18 //  * Neither the name of tm3d.de nor the names of its contributors may
19 //    be used to endorse or promote products derived from this software
20 //    without specific prior written permission.
21 //
22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33
34 #define F_CPU 8000000UL
35 #include <avr/io.h>
36 #include <avr/interrupt.h>
37 #include <util/delay.h>
38 #include <avr/wdt.h>
39 #include <avr/sleep.h>
40 #include <avr/pgmspace.h>
41 #include "../common/I2C/USI_TWI_Master.h"
42 #include "../common//I2C/MAX1164x.h"
43
44
45 extern void OWINIT();
46
47 extern void EXTERN_SLEEP();
48
49
50 uint8_t owid[8]={0x28, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x77, 0x6B};/**/
51 uint8_t config_info[16]={0x01,0x01, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
52         
53 #if (owid>128) 
54 #error "Variable not correct"
55 #endif
56
57 extern uint8_t mode;
58 extern uint8_t gcontrol;
59 extern uint8_t reset_indicator;
60 extern uint8_t alarmflag;
61
62
63 uint8_t max_adr=0;
64
65 typedef union {
66         volatile uint8_t bytes[8];
67         struct {
68                 uint16_t temp;  //0
69                 uint8_t TH;  //2
70                 uint8_t TL;  //3
71                 uint8_t config;  //4
72                 uint8_t rrFF; //5
73                 uint8_t rr00; //6
74                 uint8_t rr10; //7
75         };
76 } pack_t;
77 volatile pack_t pack;
78
79 volatile uint8_t wdcounter;
80
81 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)
82 ISR(WATCHDOG_vect) {
83 #else
84 ISR(WDT_vect) {
85 #endif 
86         wdcounter++;
87         if (reset_indicator==1) reset_indicator++;
88         else if (reset_indicator==2) mode=0;
89 }
90
91
92
93
94 #define CH0_M MAX1164x_C_SCAN0|MAX1164x_C_SGL
95 #define CH1_M MAX1164x_C_SCAN0|MAX1164x_C_SGL|MAX1164x_C_CS0
96 #define CH0_CH1 MAX1164x_C_SCAN0
97
98
99
100 int main(void){
101     PRR|=(1<<PRADC);  // adc for save Power
102         pack.temp=0x0550;
103         pack.config=0x7F;
104         pack.TH=75;
105         pack.TL=70;
106         pack.rrFF=0xFF;
107         pack.rr00=0;
108         pack.rr10=0x10;
109         PORTA=0xFF;
110         PORTB=0xFF;
111         OWINIT();
112         PORTB|=(1<<PINB1);
113         DDRB|=(1<<PINB1);
114         PORTA|=(1<<PINA0);
115         DDRA|=(1<<PINA0);
116         
117
118         MCUCR &=~(1<<PUD); //All Pins Pullup...
119         MCUCR |=(1<<BODS);
120         
121         WDTCSR |= ((1<<WDCE) );   // Enable the WD Change Bit//| (1<<WDE)
122         WDTCSR |=   (1<<WDIE) |              // Enable WDT Interrupt
123         (1<<WDP2) | (1<<WDP1)| (1<<WDP0);   // Set Timeout to ~2 seconds
124         
125
126         MCUSR=0;
127         USI_TWI_Master_Initialise();
128         MAX1164x_config(MAX1164x_S_SEL2|MAX1164x_S_SEL0,CH0_M);//#define MAX1164x_C_CS0
129         _delay_ms(30); //Internal Referenz start
130         //2970 -> 1,5V
131         
132         gcontrol=1;
133         //DDRB|=(1<<PINB1);
134         volatile double l;
135         sei();
136     while(1)   {
137                 if (wdcounter>0) {
138                         PORTB&=~(1<<PINB1);
139                         _delay_us(500);
140                         l=MAX1164x_read();
141                         PORTB|=(1<<PINB1);
142                         wdcounter=0;
143                 }
144         
145                 if (gcontrol) {
146                         //PORTB|=(1<<PINB1); //Dauer 2.3ms
147                         //=MAX44009getlux(max_adr);             
148                         //if (l<0.030) l=0.030; //Darf nicht 0 sein. minimum -35°C Sensor minimum 0.045
149                         //double l=1000;
150                         
151                         uint16_t w=l;
152                         uint8_t t8=w>>4;
153                         uint8_t af=0;
154                         if (t8>pack.TH) af=1;
155                         if (t8<=pack.TL) af=1; 
156                         cli();
157                         pack.temp=w;
158                         //pack.temp++;
159                         alarmflag=af;
160                         sei();  
161                         EXTERN_SLEEP();         
162                         //PORTB&=~(1<<PINB1);
163                 }
164
165                 
166 #if  defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__)  || defined(__AVR_ATtiny85__)
167                         if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
168 #endif                  
169 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)
170                         if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
171 #endif
172                           {
173
174                         MCUCR|=(1<<SE)|(1<<SM1);
175                         MCUCR&=~(1<<ISC01);
176                 } else {
177                         MCUCR|=(1<<SE);
178                         MCUCR&=~(1<<SM1);
179                 }
180                 //MCUCR&=~(1<<ISC01);
181                 asm("SLEEP");
182    }
183
184
185 }