Many changes from 2018
[owSlave2.git] / DS18B20_MAX44009 / DS18B20_MAX44009.c
1 \r
2 // Copyright (c) 2017, Tobias Mueller tm(at)tm3d.de\r
3 // All rights reserved.\r
4 //\r
5 // Redistribution and use in source and binary forms, with or without\r
6 // modification, are permitted provided that the following conditions are\r
7 // met:\r
8 //\r
9 //  * Redistributions of source code must retain the above copyright\r
10 //    notice, this list of conditions and the following disclaimer.\r
11 //  * Redistributions in binary form must reproduce the above copyright\r
12 //    notice, this list of conditions and the following disclaimer in the\r
13 //    documentation and/or other materials provided with the\r
14 //    distribution.\r
15 //  * All advertising materials mentioning features or use of this\r
16 //    software must display the following acknowledgement: This product\r
17 //    includes software developed by tm3d.de and its contributors.\r
18 //  * Neither the name of tm3d.de nor the names of its contributors may\r
19 //    be used to endorse or promote products derived from this software\r
20 //    without specific prior written permission.\r
21 //\r
22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
25 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
26 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
27 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
28 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
29 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
30 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
31 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
33 \r
34 #define F_CPU 8000000UL\r
35 #include <avr/io.h>\r
36 #include <avr/interrupt.h>\r
37 #include <util/delay.h>\r
38 #include <avr/wdt.h>\r
39 #include <avr/sleep.h>\r
40 #include <avr/pgmspace.h>\r
41 #include "../common/I2C/USI_TWI_Master.h"\r
42 #include "../common/I2C/MAX44009.h"\r
43 #include "../common/owSlave_tools.h"\r
44 \r
45 OWST_EXTERN_VARS\r
46 //-D__4MHZ__\r
47 uint8_t owid[8]={0x28, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x77, 0x6B};/**/\r
48 uint8_t config_info[26]={0x03,0x04, 0x00,0x00, 0x00,0x00, 0x00,0x00, 0x02,15,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};\r
49         \r
50 \r
51 uint8_t max_adr=0;\r
52 \r
53 typedef union {\r
54         volatile uint8_t bytes[8];\r
55         struct {\r
56                 uint16_t temp;  //0\r
57                 uint8_t TH;  //2\r
58                 uint8_t TL;  //3\r
59                 uint8_t config;  //4\r
60                 uint8_t rrFF; //5\r
61                 uint8_t rr00; //6\r
62                 uint8_t rr10; //7\r
63         };\r
64 } pack_t;\r
65 volatile pack_t pack;\r
66 \r
67 \r
68 \r
69 \r
70 \r
71 \r
72 \r
73 \r
74 int main(void){\r
75         OWST_INIT_USI_ON\r
76         pack.temp=0x0550;\r
77         pack.config=0x7F;\r
78         pack.TH=75;\r
79         pack.TL=70;\r
80         pack.rrFF=0xFF;\r
81         pack.rr00=0;\r
82         pack.rr10=0x10;\r
83 \r
84         OWINIT();\r
85         OWST_EN_PULLUP\r
86         USI_TWI_Master_Initialise();\r
87         if (checkMAX44009(0)) max_adr=0; else max_adr=1 ;\r
88         \r
89         gcontrol=1;\r
90         //DDRB|=(1<<PINB1);\r
91         sei();\r
92     while(1)   {\r
93         \r
94                 if ((gcontrol&1)==1) {\r
95                         //PORTB|=(1<<PINB1); //Dauer 2.3ms\r
96                         volatile double l=MAX44009getlux(max_adr);              \r
97                         if (l<0.030) l=0.030; //Darf nicht 0 sein. minimum -35°C Sensor minimum 0.045\r
98                         //double l=1000;\r
99                         l=log(l)*10*16;\r
100                         uint16_t w=l;\r
101                         uint8_t t8=w>>4;\r
102                         uint8_t af=0;\r
103                         if (t8>pack.TH) af=1;\r
104                         if (t8<=pack.TL) af=1; \r
105                         cli();\r
106                         pack.temp=w;\r
107                         //pack.temp++;\r
108                         alarmflag=af;\r
109                         sei();  \r
110                         gcontrol=0;\r
111                         EXTERN_SLEEP();         \r
112                         //PORTB&=~(1<<PINB1);\r
113                 }\r
114 \r
115                 \r
116                 OWST_MAIN_END\r
117    }\r
118 \r
119 \r
120 }