1 // Copyright (c) 2017, Tobias Mueller tm(at)tm3d.de
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2 // All rights reserved.
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4 // Redistribution and use in source and binary forms, with or without
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5 // modification, are permitted provided that the following conditions are
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8 // * Redistributions of source code must retain the above copyright
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9 // notice, this list of conditions and the following disclaimer.
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10 // * Redistributions in binary form must reproduce the above copyright
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11 // notice, this list of conditions and the following disclaimer in the
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12 // documentation and/or other materials provided with the
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14 // * All advertising materials mentioning features or use of this
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15 // software must display the following acknowledgement: This product
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16 // includes software developed by tm3d.de and its contributors.
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17 // * Neither the name of tm3d.de nor the names of its contributors may
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18 // be used to endorse or promote products derived from this software
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19 // without specific prior written permission.
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21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 #define F_CPU 8000000UL
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36 #include <avr/interrupt.h>
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37 #include <util/delay.h>
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38 #include <avr/wdt.h>
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39 #include <avr/sleep.h>
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40 #include <avr/pgmspace.h>
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43 extern void OWINIT();
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44 extern void EXTERN_SLEEP();
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46 uint8_t owid[8]={0x26, 0xA3, 0xD9, 0x84, 0xDD, 0xDD, 0x05, 0xF9};/**/
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47 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};
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51 extern uint8_t mode;
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52 extern uint8_t gcontrol;
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53 extern uint8_t reset_indicator;
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54 extern uint8_t alarmflag;
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56 volatile uint8_t wdcounter;
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61 volatile uint8_t bytes[64];
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65 uint16_t voltage; //4
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66 uint16_t current; //6
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67 uint8_t threshold; //8
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69 uint8_t page1[8]; //9
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70 uint8_t page2[8]; //17
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71 uint8_t page3[8]; //25
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72 uint8_t page4[8]; //33
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73 uint8_t page5[8]; //41
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74 uint8_t page6[8]; //49
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75 uint8_t page7[8]; //57
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79 volatile pack_t pack;
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82 volatile int16_t am2302_temp;
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83 volatile uint16_t am2302_hum;
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87 volatile uint8_t am2302_mode=0;
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88 volatile uint8_t timeout=0;
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95 uint8_t userRegister[1];
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97 volatile double temperatureC,humidityRH;
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100 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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101 ISR(WATCHDOG_vect) {
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106 if (reset_indicator==1) reset_indicator++;
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107 else if (reset_indicator==2) mode=0;
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112 DDRB&=~(1<<PORTB0); //Eingang
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113 __asm__ __volatile__ ("nop");
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114 PORTB|=(1<<PORTB0); //Pullup
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115 __asm__ __volatile__ ("nop");
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116 __asm__ __volatile__ ("nop");
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117 __asm__ __volatile__ ("nop");
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118 __asm__ __volatile__ ("nop");
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119 __asm__ __volatile__ ("nop");
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120 r=PINB&(1<<PORTB0);
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121 __asm__ __volatile__ ("nop");
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122 PORTB&=~(1<<PORTB0);
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123 __asm__ __volatile__ ("nop");
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124 DDRB|=(1<<PORTB0); //Eingang
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136 PRR|=(1<<PRUSI); // usi for save Power
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137 PORTA=0xFF-(1<<PORTA5);
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138 PORTB=0xFF-(1<<PORTB0); //Schalter kann gegen Masse sein und zieht dann immer Strom
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139 DDRB|=(1<<PORTB0); //Als Ausgang und 0
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144 ACSR|=(1<<ACD); //Disable Comparator
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145 //ADCSRB|=(1<<ACME); //Disable Analog multiplexer
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146 MCUCR &=~(1<<PUD); //All Pins Pullup...
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148 ADCSRA=(1<<ADEN)|(1<ADPS0)|(1<<ADPS2);
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150 ADMUX=5; //VCC as ref
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151 PORTA&=~(1<<PORTA5);
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152 // Set up Watch Dog Timer for Inactivity
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153 WDTCSR |= (1<<WDCE) ; // Enable the WD Change Bit
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154 WDTCSR = (1<<WDIE) | // Enable WDT Interrupt
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155 (1<<WDP2) | (1<<WDP1); // Set Timeout to ~2 seconds
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165 if (wdcounter>=16) {
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167 for(uint8_t i=0;i<16;i++) {
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169 while ((ADCSRA&(1<<ADSC)));
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172 //5V=0x03FF0 (16 x 0x3FF) 5V=50C 50C = 50*256
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173 am2302_temp=sum*0.782;
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174 am2302_hum=sum/32.736;
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180 if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0)) {
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181 MCUCR|=(1<<SE)|(1<<SM1);
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182 MCUCR&=~(1<<ISC01);
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