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  1. //////////////////////////////////////////////////////////////////////////////
  2. // Laboratory AVR Microcontrollers Part1
  3. // Program template for lab 7
  4. // Please fill in this information before starting coding
  5. // Authors: Bartosz Kawałkiewicz, Artur Talik, Patryk Kimmel
  6. //
  7. // Group: 5
  8. // Section: 1
  9. //
  10. // Task:
  11. //
  12. // Todo:
  13. //
  14. //
  15. // Version: 5.0
  16. //////////////////////////////////////////////////////////////////////////////
  17. #include <avr/io.h>
  18. // please look into header pgmspace.h functions to properly read from ROM
  19. #include <avr/pgmspace.h>
  20. #include <avr/interrupt.h>
  21. // please change this to proper value given by the teacher
  22. #define F_CPU 16000000L
  23.  
  24. // please correct this line according to the guidelines given by the teacher
  25. #define nLength 100
  26. uint8_t TAB_RAM[nLength];
  27. // please correct end of this table according to the guidelines given by the teacher
  28. uint8_t const TAB_ROM[] PROGMEM = { 0x00,// 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x1F,
  29. //0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1F, 0x1F,
  30. //0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
  31. //0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
  32. //0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F,
  33. //0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
  34. //0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F,
  35. //0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
  36. //0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
  37. //0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
  38. //0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaA, 0xaB, 0xaC, 0xaD, 0xAE, 0xAF,
  39. //0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF,
  40. //0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
  41. //0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
  42. //0xFF, 0xFE, 0xFD, 0xFC, 0xFB, 0xFA, 0xF9, 0xF8, 0xF7, 0xF6, 0xF5, 0xF4, 0xF3, 0xF2, 0xF1, 0xF0,
  43. 0xFF, 0xFF};
  44.  
  45. //---------------------------------------------------------------------
  46. volatile int flaga = 0;
  47. volatile int flaga1= 0;
  48.  
  49. volatile int liczenie = 0; //
  50. ISR(TIMER1_OVF_vect) // obsługa przerwania przepełnienia licznika, //jako że częstotliwość zegara wynosi 10MHz, //a my przepłniamy licznik co 31 250 sygnałów // musimy obsłużyć 5 krotne przepełnienie licznika
  51. {
  52. if (liczenie < 5) // odmierzanie 1 sekundy
  53. {
  54.  
  55. //if (0 == liczenie) //zaświecenie diod
  56. //PORTB = !PINA; //odczyt wciśniętych przycisków i wyświetlenie na diodach
  57. liczenie++; // zwiększanie naszego licznika
  58. }
  59. else if(liczenie == 5 || liczenie ==10)
  60. {
  61. flaga = 1;
  62. }
  63. //else if (5 == liczenie) // jeżeli skończyła się 1 sekunda gasimy diody
  64. //{
  65. // PORTB = 0xFF;
  66. //}
  67. if(flaga1 == 1)
  68. {
  69. PORTB=0x20;
  70. }
  71. else if (liczenie==10)
  72. {
  73. flaga1 = 0;
  74. PORTB=0xFF;
  75. }
  76. }
  77.  
  78. int main (void)
  79. {
  80. //---------------------------------------------------------------------
  81. // Main program code place here
  82. // 1. Place here code related to initialization of ports and interrupts
  83. // for instance:
  84. // port A as input and switching Pull-up resistors on
  85. // DDRA=0x00
  86. // PORTA=0xFF
  87. // port C as output and initial value FF
  88. // DDRB=0xFF
  89. // PORTA=0xFF
  90. //
  91. // Writing a logic one to PINxn toggles the value of PORTxn, independent on the value of DDRxn
  92. // Note that the SBI instruction can be used to toggle one single bit in a port.
  93.  
  94.  
  95.  
  96. // 2. Enable interrupts if needed
  97. // sei();
  98.  
  99.  
  100.  
  101. // 3. Place here main code
  102.  
  103.  
  104. TIMSK |= 1<<TOIE1;
  105. //TCNT1 = 49910;
  106. TCNT1 = 62500;
  107. //TCCR1B |= (1<<CS10) | (1<<CS11);
  108. TCCR1B |= (1<<CS10);
  109.  
  110. uint32_t adress = (uint32_t) pgm_read_byte_far(TAB_ROM);
  111. RAMPZ = (adress >> 16) & (0x00000003);
  112. int wyk = 0;
  113. DDRB = 0xFF;
  114. PORTA = 0xFF;
  115. int i= 0;
  116. sei();
  117. while(1){
  118. if(flaga==1){
  119. if(pgm_read_byte_far(&TAB_ROM[i]) == 0xFF &&
  120. pgm_read_byte_far(&TAB_ROM[i+1] == 0xFF)){
  121. i=0;
  122. flaga1 = 1;
  123. wyk++;
  124.  
  125. }else{
  126. liczenie = 0;
  127. }
  128.  
  129. PORTB = pgm_read_byte_far(&TAB_ROM[i]);
  130. //_delay_ms(1000);
  131. i++;
  132. flaga = 0;
  133. }
  134.  
  135. }
  136.  
  137. //----------------------------------------------------------------------
  138. // Program end
  139. //----------------------------------------------------------------------
  140. }
  141. // -------------------------------------------------------------------
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