My Marlin configs for Fabrikator Mini and CTC i3 Pro B
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SdFatUtil.cpp 2.7KB

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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. * Arduino SdFat Library
  24. * Copyright (C) 2008 by William Greiman
  25. *
  26. * This file is part of the Arduino Sd2Card Library
  27. */
  28. #include "Marlin.h"
  29. #if ENABLED(SDSUPPORT)
  30. #include "SdFatUtil.h"
  31. //------------------------------------------------------------------------------
  32. /** Amount of free RAM
  33. * \return The number of free bytes.
  34. */
  35. #ifdef __arm__
  36. extern "C" char* sbrk(int incr);
  37. int SdFatUtil::FreeRam() {
  38. char top;
  39. return &top - reinterpret_cast<char*>(sbrk(0));
  40. }
  41. #else // __arm__
  42. extern char* __brkval;
  43. extern char __bss_end;
  44. /** Amount of free RAM
  45. * \return The number of free bytes.
  46. */
  47. int SdFatUtil::FreeRam() {
  48. char top;
  49. return __brkval ? &top - __brkval : &top - &__bss_end;
  50. }
  51. #endif // __arm
  52. //------------------------------------------------------------------------------
  53. /** %Print a string in flash memory.
  54. *
  55. * \param[in] pr Print object for output.
  56. * \param[in] str Pointer to string stored in flash memory.
  57. */
  58. void SdFatUtil::print_P(PGM_P str) {
  59. for (uint8_t c; (c = pgm_read_byte(str)); str++) MYSERIAL.write(c);
  60. }
  61. //------------------------------------------------------------------------------
  62. /** %Print a string in flash memory followed by a CR/LF.
  63. *
  64. * \param[in] pr Print object for output.
  65. * \param[in] str Pointer to string stored in flash memory.
  66. */
  67. void SdFatUtil::println_P(PGM_P str) {
  68. print_P(str);
  69. MYSERIAL.println();
  70. }
  71. //------------------------------------------------------------------------------
  72. /** %Print a string in flash memory to Serial.
  73. *
  74. * \param[in] str Pointer to string stored in flash memory.
  75. */
  76. void SdFatUtil::SerialPrint_P(PGM_P str) {
  77. print_P(str);
  78. }
  79. //------------------------------------------------------------------------------
  80. /** %Print a string in flash memory to Serial followed by a CR/LF.
  81. *
  82. * \param[in] str Pointer to string stored in flash memory.
  83. */
  84. void SdFatUtil::SerialPrintln_P(PGM_P str) {
  85. println_P(str);
  86. }
  87. #endif