My Marlin configs for Fabrikator Mini and CTC i3 Pro B
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  1. /**
  2. * Marlin 3D Printer Firmware
  3. * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  4. *
  5. * Based on Sprinter and grbl.
  6. * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
  7. *
  8. * This program is free software: you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation, either version 3 of the License, or
  11. * (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  20. *
  21. */
  22. /**
  23. MarlinSerial.h - Hardware serial library for Wiring
  24. Copyright (c) 2006 Nicholas Zambetti. All right reserved.
  25. Modified 28 September 2010 by Mark Sproul
  26. Modified 14 February 2016 by Andreas Hardtung (added tx buffer)
  27. */
  28. #ifndef MARLINSERIAL_H
  29. #define MARLINSERIAL_H
  30. #include "MarlinConfig.h"
  31. #ifndef SERIAL_PORT
  32. #define SERIAL_PORT 0
  33. #endif
  34. // The presence of the UBRRH register is used to detect a UART.
  35. #define UART_PRESENT(port) ((port == 0 && (defined(UBRRH) || defined(UBRR0H))) || \
  36. (port == 1 && defined(UBRR1H)) || (port == 2 && defined(UBRR2H)) || \
  37. (port == 3 && defined(UBRR3H)))
  38. // These are macros to build serial port register names for the selected SERIAL_PORT (C preprocessor
  39. // requires two levels of indirection to expand macro values properly)
  40. #define SERIAL_REGNAME(registerbase,number,suffix) SERIAL_REGNAME_INTERNAL(registerbase,number,suffix)
  41. #if SERIAL_PORT == 0 && (!defined(UBRR0H) || !defined(UDR0)) // use un-numbered registers if necessary
  42. #define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##suffix
  43. #else
  44. #define SERIAL_REGNAME_INTERNAL(registerbase,number,suffix) registerbase##number##suffix
  45. #endif
  46. // Registers used by MarlinSerial class (expanded depending on selected serial port)
  47. #define M_UCSRxA SERIAL_REGNAME(UCSR,SERIAL_PORT,A) // defines M_UCSRxA to be UCSRnA where n is the serial port number
  48. #define M_UCSRxB SERIAL_REGNAME(UCSR,SERIAL_PORT,B)
  49. #define M_RXENx SERIAL_REGNAME(RXEN,SERIAL_PORT,)
  50. #define M_TXENx SERIAL_REGNAME(TXEN,SERIAL_PORT,)
  51. #define M_TXCx SERIAL_REGNAME(TXC,SERIAL_PORT,)
  52. #define M_RXCIEx SERIAL_REGNAME(RXCIE,SERIAL_PORT,)
  53. #define M_UDREx SERIAL_REGNAME(UDRE,SERIAL_PORT,)
  54. #define M_UDRIEx SERIAL_REGNAME(UDRIE,SERIAL_PORT,)
  55. #define M_UDRx SERIAL_REGNAME(UDR,SERIAL_PORT,)
  56. #define M_UBRRxH SERIAL_REGNAME(UBRR,SERIAL_PORT,H)
  57. #define M_UBRRxL SERIAL_REGNAME(UBRR,SERIAL_PORT,L)
  58. #define M_RXCx SERIAL_REGNAME(RXC,SERIAL_PORT,)
  59. #define M_USARTx_RX_vect SERIAL_REGNAME(USART,SERIAL_PORT,_RX_vect)
  60. #define M_U2Xx SERIAL_REGNAME(U2X,SERIAL_PORT,)
  61. #define M_USARTx_UDRE_vect SERIAL_REGNAME(USART,SERIAL_PORT,_UDRE_vect)
  62. #define DEC 10
  63. #define HEX 16
  64. #define OCT 8
  65. #define BIN 2
  66. #define BYTE 0
  67. #ifndef USBCON
  68. // Define constants and variables for buffering incoming serial data. We're
  69. // using a ring buffer (I think), in which rx_buffer_head is the index of the
  70. // location to which to write the next incoming character and rx_buffer_tail
  71. // is the index of the location from which to read.
  72. // 256 is the max limit due to uint8_t head and tail. Use only powers of 2. (...,16,32,64,128,256)
  73. #ifndef RX_BUFFER_SIZE
  74. #define RX_BUFFER_SIZE 128
  75. #endif
  76. #ifndef TX_BUFFER_SIZE
  77. #define TX_BUFFER_SIZE 32
  78. #endif
  79. #if !((RX_BUFFER_SIZE == 256) ||(RX_BUFFER_SIZE == 128) ||(RX_BUFFER_SIZE == 64) ||(RX_BUFFER_SIZE == 32) ||(RX_BUFFER_SIZE == 16) ||(RX_BUFFER_SIZE == 8) ||(RX_BUFFER_SIZE == 4) ||(RX_BUFFER_SIZE == 2))
  80. #error "RX_BUFFER_SIZE has to be a power of 2 and >= 2"
  81. #endif
  82. #if !((TX_BUFFER_SIZE == 256) ||(TX_BUFFER_SIZE == 128) ||(TX_BUFFER_SIZE == 64) ||(TX_BUFFER_SIZE == 32) ||(TX_BUFFER_SIZE == 16) ||(TX_BUFFER_SIZE == 8) ||(TX_BUFFER_SIZE == 4) ||(TX_BUFFER_SIZE == 2) ||(TX_BUFFER_SIZE == 0))
  83. #error TX_BUFFER_SIZE has to be a power of 2 or 0
  84. #endif
  85. struct ring_buffer_r {
  86. unsigned char buffer[RX_BUFFER_SIZE];
  87. volatile uint8_t head;
  88. volatile uint8_t tail;
  89. };
  90. #if TX_BUFFER_SIZE > 0
  91. struct ring_buffer_t {
  92. unsigned char buffer[TX_BUFFER_SIZE];
  93. volatile uint8_t head;
  94. volatile uint8_t tail;
  95. };
  96. #endif
  97. #if UART_PRESENT(SERIAL_PORT)
  98. extern ring_buffer_r rx_buffer;
  99. #if TX_BUFFER_SIZE > 0
  100. extern ring_buffer_t tx_buffer;
  101. #endif
  102. #endif
  103. class MarlinSerial { //: public Stream
  104. public:
  105. MarlinSerial() {};
  106. static void begin(const long);
  107. static void end();
  108. static int peek(void);
  109. static int read(void);
  110. static void flush(void);
  111. static uint8_t available(void);
  112. static void checkRx(void);
  113. static void write(const uint8_t c);
  114. #if TX_BUFFER_SIZE > 0
  115. static uint8_t availableForWrite(void);
  116. static void flushTX(void);
  117. #endif
  118. private:
  119. static void printNumber(unsigned long, const uint8_t);
  120. static void printFloat(double, uint8_t);
  121. public:
  122. static FORCE_INLINE void write(const char* str) { while (*str) write(*str++); }
  123. static FORCE_INLINE void write(const uint8_t* buffer, size_t size) { while (size--) write(*buffer++); }
  124. static FORCE_INLINE void print(const String& s) { for (int i = 0; i < (int)s.length(); i++) write(s[i]); }
  125. static FORCE_INLINE void print(const char* str) { write(str); }
  126. static void print(char, int = BYTE);
  127. static void print(unsigned char, int = BYTE);
  128. static void print(int, int = DEC);
  129. static void print(unsigned int, int = DEC);
  130. static void print(long, int = DEC);
  131. static void print(unsigned long, int = DEC);
  132. static void print(double, int = 2);
  133. static void println(const String& s);
  134. static void println(const char[]);
  135. static void println(char, int = BYTE);
  136. static void println(unsigned char, int = BYTE);
  137. static void println(int, int = DEC);
  138. static void println(unsigned int, int = DEC);
  139. static void println(long, int = DEC);
  140. static void println(unsigned long, int = DEC);
  141. static void println(double, int = 2);
  142. static void println(void);
  143. };
  144. extern MarlinSerial customizedSerial;
  145. #endif // !USBCON
  146. // Use the UART for Bluetooth in AT90USB configurations
  147. #if defined(USBCON) && ENABLED(BLUETOOTH)
  148. extern HardwareSerial bluetoothSerial;
  149. #endif
  150. #endif // MARLINSERIAL_H