2 // Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de
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3 // All rights reserved.
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5 // Redistribution and use in source and binary forms, with or without
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6 // modification, are permitted provided that the following conditions are
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9 // * Redistributions of source code must retain the above copyright
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10 // notice, this list of conditions and the following disclaimer.
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11 // * Redistributions in binary form must reproduce the above copyright
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12 // notice, this list of conditions and the following disclaimer in the
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13 // documentation and/or other materials provided with the
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15 // * All advertising materials mentioning features or use of this
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16 // software must display the following acknowledgement: This product
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17 // includes software developed by tm3d.de and its contributors.
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18 // * Neither the name of tm3d.de nor the names of its contributors may
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19 // be used to endorse or promote products derived from this software
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20 // without specific prior written permission.
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22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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23 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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24 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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25 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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26 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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27 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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28 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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30 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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31 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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32 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 #define _4_COUNTERS_
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35 //#define _EEPROM_SAVE_
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38 #define F_CPU 8000000UL
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40 #include <avr/interrupt.h>
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41 #include <util/delay.h>
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42 #include <avr/wdt.h>
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43 #include <avr/sleep.h>
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46 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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48 #if defined(_4_COUNTERS_)&&defined(_EEPROM_SAVE_)
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49 #error on ATtinyX5 you can not enable four counters and EEPROM save
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54 extern void OWINIT();
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56 uint8_t owid[8]={0x1D, 0xA2, 0xD9, 0x84, 0x00, 0x26, 0x02, 0x5C};/**/
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57 uint8_t config_info[16]={0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
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61 extern uint8_t mode;
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62 extern uint8_t gcontrol;
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63 extern uint8_t reset_indicator;
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66 volatile uint8_t wdcounter;
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72 volatile uint8_t bytes[45];
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76 uint8_t scratch[32];//3
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77 uint32_t counter; //35
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84 volatile uint8_t lastcps;
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90 volatile counters_t counters;
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92 volatile uint8_t istat;
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94 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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95 #define PCINT_VECTOR PCINT0_vect
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96 #define PIN_REG PINB
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97 #define PIN_DDR DDRB
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98 #define PIN_CH2 (1<<PINB3)
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99 #define PIN_CH3 (1<<PINB4)
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100 #define PIN_CH0 (1<<PINB0)
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101 #define PIN_CH1 (1<<PINB1)
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102 #define PORT_EE PINB
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103 #define PIN_EE (1<<PINB0)
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104 #define TEST_TIMER ((TIMSK & (1<<TOIE0))==0)
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108 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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109 #define PCINT_VECTOR PCINT0_vect
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110 #define PIN_REG PINA
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111 #define PIN_DDR DDRA
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112 #define PIN_CH2 (1<<PINA4)
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113 #define PIN_CH3 (1<<PINA5)
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114 #define PIN_CH0 (1<<PINA6)
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115 #define PIN_CH1 (1<<PINA7)
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116 #define PORT_EE PINA //WARNING have to be the same PORT like PINREG because of istat
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117 #define PIN_EE (1<<PINA0)
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118 #define TEST_TIMER ((TIMSK0 & (1<<TOIE0))==0)
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124 if (((PIN_REG&PIN_CH2)==0)&&((istat&PIN_CH2)==PIN_CH2)) { counters.c32[2]++; }
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125 if (((PIN_REG&PIN_CH3)==0)&&((istat&PIN_CH3)==PIN_CH3)) { counters.c32[3]++; }
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126 #ifdef _4_COUNTERS_
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127 if (((PIN_REG&PIN_CH0)==0)&&((istat&PIN_CH0)==PIN_CH0)) { counters.c32[0]++; }
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128 if (((PIN_REG&PIN_CH1)==0)&&((istat&PIN_CH1)==PIN_CH1)) { counters.c32[1]++; }
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131 #ifdef _EEPROM_SAVE_
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132 if (((PORT_EE&PIN_EE)==0)&&((istat&PIN_EE)==PIN_EE)) {
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133 //PORTB&=~(1<<PINB1);
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135 #ifndef _4_COUNTERS_
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136 counters.c32[0]++;//Count the save cycles
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138 for(uint8_t i=0;i<16;i++) {
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139 uint8_t addr=i^0x0C;
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140 while(EECR & (1<<EEPE));
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141 EECR = (0<<EEPM1)|(0<<EEPM0);
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143 EEDR = counters.c8[addr];
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144 EECR |= (1<<EEMPE);
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147 //PORTB|=(1<<PINB1);
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154 PRR|=(1<<PRUSI)|(1<<PRADC); //Switch off usi and adc for save Power
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162 ACSR|=(1<<ACD); //Disable Comparator
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163 ADCSRB|=(1<<ACME); //Disable Analog multiplexer
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164 MCUCR &=~(1<<PUD); //All Pins Pullup...
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167 #if defined(__AVR_ATtiny25__)||defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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168 PORTB|=(1<<PINB5) //Reset
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171 #ifdef _4_COUNTERS_
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179 PCMSK=(1<<PCINT3)|(1<<PCINT4)
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180 #ifdef _4_COUNTERS_
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181 |(1<<PCINT0)|(1<<PCINT1)
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184 #ifdef _EEPROM_SAVE_
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186 PCMSK|=(1<<PCINT0);
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187 PORTB&=~PIN_EE; //Spannungsueberpruefung
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189 DDRB &=~((1<<PINB3)|(1<<PINB4)
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190 #ifdef _4_COUNTERS_
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191 |(1<<PINB0)|(1<<PINB1)
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198 #if defined(__AVR_ATtiny24__)||defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny24A__)||defined(__AVR_ATtiny44A__) || defined(__AVR_ATtiny84A__)
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200 PORTB|=0xFF-(1<<PINB2); //Make PullUp an all Pins but not OW_PIN
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202 if (PINB&(1<<PINB0)) {
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203 } else {//SW set, PINB0 =0 no pullup, clear PORT of ios
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204 PORTA&=~((1<<PINA4)|(1<<PINA5));
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205 #ifdef _4_COUNTERS_
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206 PORTA&=~((1<<PINA6)|(1<<PINA7));
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208 PORTB&=~(1<<PINB0); //Disable Pullup io switch to save Power
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213 PCMSK0=(1<<PCINT4)|(1<<PCINT5)
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214 #ifdef _4_COUNTERS_
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215 |(1<<PCINT6)|(1<<PCINT7)
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220 #ifdef _EEPROM_SAVE_
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222 PCMSK0|=(1<<PCINT0);
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223 PORTA&=~(1<<PINA0); //Spannungsueberpruefung
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228 #ifdef _EEPROM_SAVE_
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232 for(uint8_t i=0;i<16;i++) {
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234 while(EECR & (1<<EEPE));
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237 counters.c8[addr]=EEDR;
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239 for (uint8_t i=0;i<4;i++) {
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240 if (counters.c32[i]==0xFFFFFFFF) counters.c32[i]=0;
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241 //counters.c32[i]=0;
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244 /*for(uint8_t i=0;i<16;i++) {
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245 while(EECR & (1<<EEPE));
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248 EECR |= (1<<EEMPE);
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257 //Test if timer active and no sleep then Idle else Power Down
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258 if (TEST_TIMER&&(mode==0)) {
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259 MCUCR|=(1<<SE)|(1<<SM1); //Power Down, only low level on 1-Wire and pin change on PCINT wakes up
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260 MCUCR&=~(1<<ISC01);
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