CRC16 correctur by get Info (0x85)
[owSlave2.git] / DS2450_SHT2X_MAX44009 / DS2450_SHT2X_MAX44009.c
1 \r
2 // Copyright (c) 2015, 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/SHT2x.h"\r
43 #include "../common/I2C/MAX44009.h"\r
44 extern void OWINIT();\r
45 extern void EXTERN_SLEEP();\r
46 \r
47 uint8_t owid[8]={0x20, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x02, 0x5D};/**/\r
48 uint8_t config_info[18]={0x01,14,0x04,0x08, 0x03,15, 0x06,0x09,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};\r
49 \r
50 #if (owid>128) \r
51 #error "Variable not correct"\r
52 #endif\r
53 \r
54 extern uint8_t mode;\r
55 extern uint8_t gcontrol;\r
56 extern uint8_t reset_indicator;\r
57 extern uint8_t alarmflag;\r
58 volatile uint8_t wdcounter=10;\r
59 \r
60 \r
61 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
62 ISR(WATCHDOG_vect) {\r
63 #else\r
64 ISR(WDT_vect) {\r
65 #endif \r
66         wdcounter++;\r
67         if (reset_indicator==1) reset_indicator++;\r
68         else if (reset_indicator==2) mode=0;\r
69 }\r
70 \r
71 typedef union {\r
72         volatile uint8_t bytes[0x20];\r
73         struct {\r
74                 //Page0\r
75                 uint16_t A;  //0\r
76                 uint16_t B;  //2\r
77                 uint16_t C;  //4\r
78                 uint16_t D;  //6\r
79                 //Page1\r
80                 uint8_t CSA1;\r
81                 uint8_t CSA2;\r
82                 uint8_t CSB1;\r
83                 uint8_t CSB2;\r
84                 uint8_t CSC1;\r
85                 uint8_t CSC2;\r
86                 uint8_t CSD1;\r
87                 uint8_t CSD2;\r
88                 //Page2\r
89                 uint8_t LA;\r
90                 uint8_t HA;\r
91                 uint8_t LB;\r
92                 uint8_t HB;\r
93                 uint8_t LC;\r
94                 uint8_t HC;\r
95                 uint8_t LD;\r
96                 uint8_t HD;\r
97                 //Page3\r
98                 uint8_t FC1;\r
99                 uint8_t FC2;\r
100                 uint8_t FC3;\r
101                 uint8_t FC4;\r
102                 uint8_t VCCP;\r
103                 uint8_t FC5;\r
104                 uint8_t FC6;\r
105                 uint8_t FC7;\r
106                 uint8_t convc1;\r
107                 uint8_t convc2;\r
108                 \r
109                 \r
110         };\r
111 } pack_t;\r
112 volatile pack_t pack;\r
113 \r
114 \r
115 \r
116 volatile int16_t am2302_temp;\r
117 volatile uint16_t am2302_hum;\r
118 \r
119 \r
120 uint8_t userRegister[1];\r
121 int16_t sRH,sT;\r
122 volatile double temperatureC,humidityRH;\r
123 volatile double l;\r
124 uint32_t P;\r
125 int32_t t;\r
126 uint8_t max_adr=0;\r
127 \r
128 \r
129 \r
130 int main(void){\r
131         pack.A=0;\r
132         pack.B=0;\r
133         pack.C=0;\r
134         pack.D=0;\r
135         pack.CSA1=0x08;\r
136         pack.CSA2=0x8C;\r
137         pack.CSB1=0x08;\r
138         pack.CSB2=0x8C;\r
139         pack.CSC1=0x08;\r
140         pack.CSC2=0x8C;\r
141         pack.CSD1=0x08;\r
142         pack.CSD2=0x8C;\r
143         pack.HA=0xFF;\r
144         pack.LA=0x00;\r
145         pack.HB=0xFF;\r
146         pack.LB=0x00;\r
147         pack.HC=0xFF;\r
148         pack.LC=0x00;\r
149         pack.HD=0xFF;\r
150         pack.LD=0x00;\r
151         pack.VCCP=0;\r
152     PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom\r
153         DDRB|=(1<<PORTB0); //Als Ausgang und 0\r
154         PORTA=0xFF;  //All Pull up;\r
155          PRR|=(1<<PRADC);  // adc for save Power\r
156 \r
157         ACSR|=(1<<ACD);  //Disable Comparator\r
158         OWINIT();\r
159 \r
160         MCUCR &=~(1<<PUD); //All Pins Pullup...\r
161         MCUCR |=(1<<BODS);\r
162         WDTCSR |= ((1<<WDCE) );   // Enable the WD Change Bit//| (1<<WDE)\r
163         WDTCSR |=   (1<<WDIE) |              // Enable WDT Interrupt\r
164         (1<<WDP3) | (1<<WDP0);   // Set Timeout to ~8 seconds\r
165         \r
166         gcontrol=1;\r
167         \r
168         USI_TWI_Master_Initialise();\r
169         SHT2x_SoftReset();\r
170         SHT2x_ReadUserRegister(userRegister);\r
171         //(userRegister & ~SHT2x_RES_MASK) | SHT2x_RES_10_13BIT;\r
172         SHT2x_WriteUserRegister(userRegister); //write changed user reg\r
173         // --- measure humidity with "Hold Master Mode (HM)" ---\r
174         //SHT2x_MeasurePoll(HUMIDITY, &sRH);\r
175         // --- measure temperature with "Polling Mode" (no hold master) ---\r
176         //SHT2x_MeasurePoll(TEMP, &sT);\r
177         //-- calculate humidity and temperature --\r
178         //temperatureC = SHT2x_CalcTemperatureC(sT);\r
179         //humidityRH = SHT2x_CalcRH(sRH);\r
180         if (checkMAX44009(0)) max_adr=0; else max_adr=1 ;\r
181         \r
182         sei();\r
183         \r
184         //DDRB|=(1<<PINB1);\r
185 \r
186     while(1)   {\r
187         \r
188         if (wdcounter>3) {      \r
189                 SHT2x_MeasurePoll(HUMIDITY, &sRH);\r
190                 // --- measure temperature with "Polling Mode" (no hold master) ---\r
191                 SHT2x_MeasurePoll(TEMP, &sT);\r
192                 //-- calculate humidity and temperature --\r
193                 temperatureC = SHT2x_CalcTemperatureC(sT);\r
194                 humidityRH = SHT2x_CalcRH(sRH);\r
195 \r
196                 l=MAX44009getlux(max_adr);\r
197                 if (l<0.030) l=0.030; //Darf nicht 0 sein. minimum -35°C Sensor minimum 0.045\r
198                 //double l=1000;\r
199                 l=(log(l)*1000)+32767.0;\r
200                 wdcounter=0;\r
201         }\r
202         \r
203 \r
204                 \r
205                 \r
206 \r
207 \r
208                 if (gcontrol) {\r
209                         //PORTB|=(1<<PINB1);\r
210                         uint8_t bb=1;\r
211                         uint8_t bb1=1;\r
212                         for(uint8_t i=0;i<4;i++){\r
213                                 if (pack.convc1&bb1) {\r
214                                         if (pack.convc2&(bb)) {pack.bytes[i*2]=0;pack.bytes[i*2+1]=0;}\r
215                                         bb=bb<<1;\r
216                                         if (pack.convc2&(bb)) {pack.bytes[i*2]=0xFF;pack.bytes[i*2+1]=0xFF;}\r
217                                         bb=bb<<1;\r
218                                 } else bb=bb<<2;\r
219                                 bb1=bb1<<1;                             \r
220                         }\r
221                         //CHanel A\r
222                         if (pack.convc1&1) {\r
223                                 /*if (pack.CSA2&0x01)   ADMUX=0; else ADMUX=0x80;\r
224                                 _delay_us(100);\r
225                                 ADCSRA|=(1<<ADSC);\r
226                                 while ((ADCSRA&(1<<ADSC)));\r
227                                 cli();pack.A=ADC;sei();*/\r
228                                 uint16_t ct=(temperatureC*100.0)+32767;\r
229                                 cli();pack.A=ct;sei();\r
230                                 wdcounter=10;\r
231                                 alarmflag=0;\r
232                                 \r
233                                 if (pack.CSA2&0x08)  //AEH\r
234                                         if (pack.bytes[1]>pack.HA) {alarmflag=1;pack.CSA2|=0x20;}\r
235                                 if (pack.CSA2&0x04)  //AEL\r
236                                         if (pack.bytes[1]<pack.LA) {alarmflag=1;pack.CSA2|=0x10;}\r
237                         }\r
238 \r
239                         if (pack.convc1&2) {\r
240                                 /*if (pack.CSB2&0x01)   ADMUX=1; else ADMUX=0x81;\r
241                                 _delay_us(100);\r
242                                 ADCSRA|=(1<<ADSC);\r
243                                 while ((ADCSRA&(1<<ADSC)));\r
244                                 cli();pack.B=ADC;sei();*/\r
245                                 wdcounter=10;\r
246                                 cli();pack.B=humidityRH*100;sei();\r
247                                 if (pack.CSB2&0x08)  //AEH\r
248                                         if (pack.bytes[1]>pack.HB) {alarmflag=1;pack.CSB2|=0x20;}\r
249                                 if (pack.CSB2&0x04)  //AEL\r
250                                         if (pack.bytes[1]<pack.LB) {alarmflag=1;pack.CSB2|=0x10;}\r
251                         }\r
252 \r
253                         if (pack.convc1&4) {\r
254                                 /*if (pack.CSC2&0x01)   ADMUX=2; else ADMUX=0x82;\r
255                                 _delay_us(100);\r
256                                 ADCSRA|=(1<<ADSC);\r
257                                 while ((ADCSRA&(1<<ADSC)));\r
258                                 cli();pack.C=ADC;sei();*/\r
259                                 wdcounter=10;\r
260                                 cli();pack.C=l;sei();\r
261                                 if (pack.CSC2&0x08)  //AEH\r
262                                         if (pack.bytes[1]>pack.HC) {alarmflag=1;pack.CSC2|=0x20;}\r
263                                 if (pack.CSC2&0x04)  //AEL\r
264                                         if (pack.bytes[1]<pack.LC) {alarmflag=1;pack.CSC2|=0x10;}\r
265                         } \r
266                         if (pack.convc1&8) {\r
267                                 /*if (pack.CSD2&0x01)   ADMUX=3; else ADMUX=0x83;\r
268                                 _delay_us(100);\r
269                                 ADCSRA|=(1<<ADSC);\r
270                                 while ((ADCSRA&(1<<ADSC)));\r
271                                 cli();pack.D=ADC;sei();*/\r
272                                 wdcounter=10;\r
273                                 cli();pack.D=0;sei();\r
274                                 if (pack.CSD2&0x08)  //AEH\r
275                                         if (pack.bytes[1]>pack.HD) {alarmflag=1;pack.CSD2|=0x20;}\r
276                                 if (pack.CSD2&0x04)  //AEL\r
277                                         if (pack.bytes[1]<pack.LD) {alarmflag=1;pack.CSD2|=0x10;}\r
278                         }\r
279                         \r
280                         EXTERN_SLEEP();\r
281                         //PORTB&=~(1<<PINB1);\r
282                 }\r
283 \r
284                 /*uint8_t bb=1;\r
285                 for(uint8_t i=0;i<4;i++) {\r
286                         if (pack.bytes[8+i*2]&0x80) {  //Chanel as output\r
287                                 if (pack.bytes[8+i*2]&0x40) {\r
288                                         DDRA|=bb;\r
289                                 } else {\r
290                                         DDRA&=~bb;\r
291                                 }\r
292                         } else {\r
293                                 DDRA&=~bb;\r
294                         }\r
295                         bb=bb*2;\r
296                 }*/\r
297                 \r
298 #if  defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__)  || defined(__AVR_ATtiny85__)\r
299                         if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))\r
300 #endif                  \r
301 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)\r
302                         if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))\r
303 #endif\r
304                           {\r
305 \r
306                         MCUCR|=(1<<SE)|(1<<SM1);\r
307                         MCUCR&=~(1<<ISC01);\r
308                 } else {\r
309                         MCUCR|=(1<<SE);\r
310                         MCUCR&=~(1<<SM1);\r
311                 }\r
312         //      asm("SLEEP");\r
313    }\r
314 \r
315 \r
316 }