Makefiles for Linux
[owSlave2.git] / DS2438_HIH9121 / DS2438_HIH9121.c
1 // Copyright (c) 2017, Tobias Mueller tm(at)tm3d.de\r
2 // All rights reserved.\r
3 //\r
4 // Redistribution and use in source and binary forms, with or without\r
5 // modification, are permitted provided that the following conditions are\r
6 // met:\r
7 //\r
8 //  * Redistributions of source code must retain the above copyright\r
9 //    notice, this list of conditions and the following disclaimer.\r
10 //  * Redistributions in binary form must reproduce the above copyright\r
11 //    notice, this list of conditions and the following disclaimer in the\r
12 //    documentation and/or other materials provided with the\r
13 //    distribution.\r
14 //  * All advertising materials mentioning features or use of this\r
15 //    software must display the following acknowledgement: This product\r
16 //    includes software developed by tm3d.de and its contributors.\r
17 //  * Neither the name of tm3d.de nor the names of its contributors may\r
18 //    be used to endorse or promote products derived from this software\r
19 //    without specific prior written permission.\r
20 //\r
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
32 \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/I2C/SHT2x.h"\r
44 \r
45 extern void OWINIT();\r
46 extern void EXTERN_SLEEP();\r
47 \r
48 uint8_t owid[8]={0x26, 0xA2, 0xD9, 0x84, 0x00, 0x00, 0x05, 0x16};/**/\r
49 uint8_t config_info[26]={0x01,0x06, 0x05,0x08, 0x04,0x07, 0x00,0x00, 0x02,0x10,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};\r
50         \r
51 \r
52 extern uint8_t mode;\r
53 extern uint8_t gcontrol;\r
54 extern uint8_t reset_indicator;\r
55 extern uint8_t alarmflag;\r
56 \r
57 volatile uint8_t wdcounter;\r
58 \r
59 \r
60 typedef union {\r
61 \r
62         volatile uint8_t bytes[64];\r
63         struct {\r
64                 uint8_t status;  //1\r
65                 int16_t temp;  //2\r
66                 uint16_t voltage;  //4\r
67                 uint16_t current;  //6\r
68                 uint8_t threshold; //8\r
69                 \r
70                 uint8_t page1[8]; //9\r
71                 uint8_t page2[8]; //17\r
72                 uint8_t page3[8]; //25\r
73                 uint8_t page4[8];  //33\r
74                 uint8_t page5[8];  //41\r
75                 uint8_t page6[8];  //49\r
76                 uint8_t page7[8];  //57\r
77                 //uint8_t crc;  //65\r
78         };\r
79 } pack_t;\r
80 volatile pack_t pack;\r
81 \r
82 \r
83 \r
84 volatile int16_t am2302_temp;\r
85 volatile uint16_t am2302_hum;\r
86 \r
87 uint8_t userRegister[1];\r
88 int16_t sRH,sT;\r
89 volatile double temperatureC,humidityRH;\r
90 volatile double l;\r
91 \r
92 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
93 ISR(WATCHDOG_vect) {\r
94 #else\r
95 ISR(WDT_vect) {\r
96 #endif \r
97         wdcounter++;\r
98         if (reset_indicator==1) reset_indicator++;\r
99         else if (reset_indicator==2) mode=0;\r
100 \r
101 \r
102 }\r
103 \r
104 int testSW(void) {\r
105         uint8_t r;\r
106         DDRB&=~(1<<PORTB0);  //Eingang\r
107          __asm__ __volatile__ ("nop"); \r
108          PORTB|=(1<<PORTB0); //Pullup\r
109          __asm__ __volatile__ ("nop"); \r
110          __asm__ __volatile__ ("nop"); \r
111          __asm__ __volatile__ ("nop"); \r
112          __asm__ __volatile__ ("nop"); \r
113          __asm__ __volatile__ ("nop"); \r
114          r=PINB&(1<<PORTB0);\r
115          __asm__ __volatile__ ("nop");  \r
116          PORTB&=~(1<<PORTB0); \r
117          __asm__ __volatile__ ("nop"); \r
118         DDRB|=(1<<PORTB0);  //Eingang\r
119         return (r==0);\r
120          \r
121          \r
122 }\r
123 \r
124 int main(void){\r
125      PRR|=(1<<PRADC);  // adc for save Power\r
126         PORTA=0xFF;\r
127         PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom\r
128         DDRB|=(1<<PORTB0); //Als Ausgang und 0\r
129         \r
130         \r
131         OWINIT();\r
132 \r
133         ACSR|=(1<<ACD);  //Disable Comparator\r
134         ADCSRB|=(1<<ACME); //Disable Analog multiplexer\r
135         MCUCR &=~(1<<PUD); //All Pins Pullup...\r
136         MCUCR |=(1<<BODS);\r
137 \r
138         \r
139         WDTCSR |= ((1<<WDCE) );   // Enable the WD Change Bit//| (1<<WDE)\r
140         WDTCSR |=   (1<<WDIE) |              // Enable WDT Interrupt\r
141         (1<<WDP3) | (1<<WDP0);   // Set Timeout to ~8 seconds\r
142          if (testSW()) {\r
143                 config_info[5]=8;\r
144         }else{\r
145                 config_info[5]=7;\r
146          }\r
147         \r
148     uint8_t i;\r
149     for(i=0;i<64;i++) pack.bytes[i]=0;\r
150         MCUSR=0;\r
151         USI_TWI_Master_Initialise();\r
152         volatile uint16_t res,res1;\r
153         I2c_StartCondition();\r
154         I2c_WriteByte (0b01001110);\r
155         I2c_StopCondition();\r
156         _delay_us(100);\r
157         \r
158         I2c_StartCondition();\r
159         I2c_WriteByte (0b01001111);\r
160         _delay_us(80);\r
161         res=((int16_t)(I2c_ReadByte(ACK))&0x3F)<<8;\r
162         res|=I2c_ReadByte(ACK);\r
163         res1=((int16_t)(I2c_ReadByte(ACK)))<<6;\r
164         res1|=I2c_ReadByte(NO_ACK)>>2;\r
165 \r
166         I2c_StopCondition();\r
167         temperatureC=res1/16382.0*160.0-40.0;\r
168         humidityRH=res/16382.0*100.0;\r
169         //temperatureC = SHT2x_CalcTemperatureC(sT);\r
170         //humidityRH = SHT2x_CalcRH(sRH);\r
171         \r
172         sei();\r
173         \r
174          while(1)   {\r
175                  if (gcontrol) {\r
176                          wdcounter=3;\r
177                          gcontrol=0;\r
178                  }\r
179                  if (wdcounter>2) {\r
180                          I2c_StartCondition();\r
181                         I2c_WriteByte (0b01001110);\r
182                         I2c_StopCondition();\r
183                         _delay_us(100);\r
184                         I2c_StartCondition();\r
185                         I2c_WriteByte (0b01001111);\r
186                         _delay_us(80);\r
187                         res=((int16_t)(I2c_ReadByte(ACK))&0x3F)<<8;\r
188                         res|=I2c_ReadByte(ACK);\r
189                         res1=((int16_t)(I2c_ReadByte(ACK)))<<6;\r
190                         res1|=I2c_ReadByte(NO_ACK)>>2;\r
191 \r
192                         I2c_StopCondition();\r
193                         temperatureC=res1/16382.0*1650.0-400.0;\r
194                         humidityRH=res/16382.0*1000.0;\r
195 \r
196                          if (testSW()) {\r
197                                  am2302_hum= humidityRH*10.0;\r
198                                  am2302_temp=temperatureC*25.6;\r
199                                  //am2302_temp=am2302_temp-45;\r
200                                  config_info[5]=8;      \r
201                                  \r
202                          }else{\r
203                                  \r
204                                 double hhum=(1.0546-0.000216*temperatureC)*(humidityRH);\r
205                                 //am2302_hum=0.318*hhum +76.0;\r
206                                 am2302_hum=0.31*hhum +80;\r
207                                 am2302_temp=temperatureC*25.6;\r
208                                 //am2302_temp=am2302_temp-45;\r
209                                 config_info[5]=7;\r
210                          }\r
211                          //PORTB&=~(1<<PINB1);\r
212                          wdcounter=0;\r
213                  }\r
214 \r
215                 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))       {\r
216                         MCUCR|=(1<<SE)|(1<<SM1);\r
217                         MCUCR&=~(1<<ISC01);\r
218                 } else {\r
219                         MCUCR|=(1<<SE);\r
220                         MCUCR&=~(1<<SM1);\r
221                 }\r
222                 asm("SLEEP");\r
223         }\r
224 \r
225 \r
226 }