DS2450/DS2450.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
  42 extern void OWINIT();
  43
  44 uint8_t owid[8]={0x20, 0xA2, 0xD9, 0x84, 0x00, 0x16, 0x02, 0x5D};/**/
  45 uint8_t config_info[16]={0x06,0x09,0x06,0x09,0x06,0x09,0x06,0x09,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
  46
  47 #if (owid>128)
  48 #error "Variable not correct"
  49 #endif
  50
  51 extern uint8_t mode;
  52 extern uint8_t gcontrol;
  53 extern uint8_t reset_indicator;
  54 extern uint8_t alarmflag;
  55
  56
  57 typedef union {
  58         volatile uint8_t bytes[0x20];
  59         struct {
  60                 //Page0
  61                 uint16_t A;  //0
  62                 uint16_t B;  //2
  63                 uint16_t C;  //4
  64                 uint16_t D;  //6
  65                 //Page1
  66                 uint8_t CSA1;
  67                 uint8_t CSA2;
  68                 uint8_t CSB1;
  69                 uint8_t CSB2;
  70                 uint8_t CSC1;
  71                 uint8_t CSC2;
  72                 uint8_t CSD1;
  73                 uint8_t CSD2;
  74                 //Page2
  75                 uint8_t LA;
  76                 uint8_t HA;
  77                 uint8_t LB;
  78                 uint8_t HB;
  79                 uint8_t LC;
  80                 uint8_t HC;
  81                 uint8_t LD;
  82                 uint8_t HD;
  83                 //Page3
  84                 uint8_t FC1;
  85                 uint8_t FC2;
  86                 uint8_t FC3;
  87                 uint8_t FC4;
  88                 uint8_t VCCP;
  89                 uint8_t FC5;
  90                 uint8_t FC6;
  91                 uint8_t FC7;
  92                 uint8_t convc1;
  93                 uint8_t convc2;
  94
  95
  96         };
  97 } pack_t;
  98 volatile pack_t pack;
  99
 100
 101
 102
 103
 104
 105 int main(void){
 106         pack.A=0;
 107         pack.B=0;
 108         pack.C=0;
 109         pack.D=0;
 110         pack.CSA1=0x08;
 111         pack.CSA2=0x8C;
 112         pack.CSB1=0x08;
 113         pack.CSB2=0x8C;
 114         pack.CSC1=0x08;
 115         pack.CSC2=0x8C;
 116         pack.CSD1=0x08;
 117         pack.CSD2=0x8C;
 118         pack.HA=0xFF;
 119         pack.LA=0x00;
 120         pack.HB=0xFF;
 121         pack.LB=0x00;
 122         pack.HC=0xFF;
 123         pack.LC=0x00;
 124         pack.HD=0xFF;
 125         pack.LD=0x00;
 126         pack.VCCP=0;
 127         OWINIT();
 128
 129         MCUCR &=~(1<<PUD); //All Pins Pullup...
 130         MCUCR |=(1<<BODS);
 131         PORTA&=~((1<<PINA0)|(1<<PINA1)|(1<<PINA2)|(1<<PINA3));
 132         ADCSRA=(1<<ADEN)|(1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0);
 133
 134
 135
 136         gcontrol=1;
 137         ADCSRB|=(1<<ADLAR);
 138         sei();
 139
 140     while(1)   {
 141
 142
 143                 if (gcontrol) {
 144                         uint8_t bb=1;
 145                         uint8_t bb1=1;
 146                         for(uint8_t i=0;i<4;i++){
 147                                 if (pack.convc1&bb1) {
 148                                         if (pack.convc2&(bb)) {pack.bytes[i*2]=0;pack.bytes[i*2+1]=0;}
 149                                         bb=bb<<1;
 150                                         if (pack.convc2&(bb)) {pack.bytes[i*2]=0xFF;pack.bytes[i*2+1]=0xFF;}
 151                                         bb=bb<<1;
 152                                 } else bb=bb<<2;
 153                                 bb1=bb1<<1;
 154                         }
 155                         //CHanel A
 156                         if (pack.convc1&1) {
 157                                 if (pack.CSA2&0x01)     ADMUX=0; else ADMUX=0x80;
 158                                 _delay_ms(10);
 159                                 ADCSRA|=(1<<ADSC);
 160                                 while ((ADCSRA&(1<<ADSC)));
 161                                 cli();pack.A=ADC;sei();
 162                                 alarmflag=0;
 163                                 if (pack.CSA2&0x08)  //AEH
 164                                         if (pack.bytes[1]>pack.HA) {alarmflag=1;pack.CSA2|=0x20;}
 165                                 if (pack.CSA2&0x04)  //AEL
 166                                         if (pack.bytes[1]<pack.LA) {alarmflag=1;pack.CSA2|=0x10;}
 167                         }
 168
 169                         if (pack.convc1&2) {
 170                                 if (pack.CSB2&0x01)     ADMUX=1; else ADMUX=0x81;
 171                                 _delay_ms(10);
 172                                 ADCSRA|=(1<<ADSC);
 173                                 while ((ADCSRA&(1<<ADSC)));
 174                                 cli();pack.B=ADC;sei();
 175                                 if (pack.CSB2&0x08)  //AEH
 176                                         if (pack.bytes[1]>pack.HB) {alarmflag=1;pack.CSB2|=0x20;}
 177                                 if (pack.CSB2&0x04)  //AEL
 178                                         if (pack.bytes[1]<pack.LB) {alarmflag=1;pack.CSB2|=0x10;}
 179                         }
 180
 181                         if (pack.convc1&4) {
 182                                 if (pack.CSC2&0x01)     ADMUX=2; else ADMUX=0x82;
 183                                 _delay_ms(10);
 184                                 ADCSRA|=(1<<ADSC);
 185                                 while ((ADCSRA&(1<<ADSC)));
 186                                 cli();pack.C=ADC;sei();
 187                                 if (pack.CSC2&0x08)  //AEH
 188                                         if (pack.bytes[1]>pack.HC) {alarmflag=1;pack.CSC2|=0x20;}
 189                                 if (pack.CSC2&0x04)  //AEL
 190                                         if (pack.bytes[1]<pack.LC) {alarmflag=1;pack.CSC2|=0x10;}
 191                         }
 192                         if (pack.convc1&8) {
 193                                 if (pack.CSD2&0x01)     ADMUX=3; else ADMUX=0x83;
 194                                 _delay_ms(10);
 195                                 ADCSRA|=(1<<ADSC);
 196                                 while ((ADCSRA&(1<<ADSC)));
 197                                 cli();pack.D=ADC;sei();
 198                                 if (pack.CSD2&0x08)  //AEH
 199                                         if (pack.bytes[1]>pack.HD) {alarmflag=1;pack.CSD2|=0x20;}
 200                                 if (pack.CSD2&0x04)  //AEL
 201                                         if (pack.bytes[1]<pack.LD) {alarmflag=1;pack.CSD2|=0x10;}
 202                         }
 203
 204                         gcontrol=0;
 205                 }
 206
 207                 uint8_t bb=1;
 208                 for(uint8_t i=0;i<4;i++) {
 209                         if (pack.bytes[8+i*2]&0x80) {  //Chanel as output
 210                                 if (pack.bytes[8+i*2]&0x40) {
 211                                         DDRA|=bb;
 212                                 } else {
 213                                         DDRA&=~bb;
 214                                 }
 215                         } else {
 216                                 DDRA&=~bb;
 217                         }
 218                         bb=bb*2;
 219                 }
 220
 221 #if  defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__)  || defined(__AVR_ATtiny85__)
 222                         if (((TIMSK & (1<<TOIE0))==0)&& (mode==0))
 223 #endif
 224 #if  defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__)  || defined(__AVR_ATtiny84__) ||defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__)  || defined(__AVR_ATtiny84A__)
 225                         if (((TIMSK0 & (1<<TOIE0))==0)&& (mode==0))
 226 #endif
 227                           {
 228
 229                         MCUCR|=(1<<SE)|(1<<SM1);
 230                         MCUCR&=~(1<<ISC01);
 231                 } else {
 232                         MCUCR|=(1<<SE);
 233                         MCUCR&=~(1<<SM1);
 234                 }
 235         //      asm("SLEEP");
 236    }
 237
 238
 239 }