My Marlin configs for Fabrikator Mini and CTC i3 Pro B
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SdFatUtil.cpp 2.5KB

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  1. /* Arduino SdFat Library
  2. * Copyright (C) 2008 by William Greiman
  3. *
  4. * This file is part of the Arduino SdFat Library
  5. *
  6. * This Library is free software: you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation, either version 3 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This Library is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. * You should have received a copy of the GNU General Public License
  16. * along with the Arduino SdFat Library. If not, see
  17. * <http://www.gnu.org/licenses/>.
  18. */
  19. #include "Marlin.h"
  20. #ifdef SDSUPPORT
  21. #include "SdFatUtil.h"
  22. //------------------------------------------------------------------------------
  23. /** Amount of free RAM
  24. * \return The number of free bytes.
  25. */
  26. #ifdef __arm__
  27. extern "C" char* sbrk(int incr);
  28. int SdFatUtil::FreeRam() {
  29. char top;
  30. return &top - reinterpret_cast<char*>(sbrk(0));
  31. }
  32. #else // __arm__
  33. extern char *__brkval;
  34. extern char __bss_end;
  35. /** Amount of free RAM
  36. * \return The number of free bytes.
  37. */
  38. int SdFatUtil::FreeRam() {
  39. char top;
  40. return __brkval ? &top - __brkval : &top - &__bss_end;
  41. }
  42. #endif // __arm
  43. //------------------------------------------------------------------------------
  44. /** %Print a string in flash memory.
  45. *
  46. * \param[in] pr Print object for output.
  47. * \param[in] str Pointer to string stored in flash memory.
  48. */
  49. void SdFatUtil::print_P( PGM_P str) {
  50. for (uint8_t c; (c = pgm_read_byte(str)); str++) MYSERIAL.write(c);
  51. }
  52. //------------------------------------------------------------------------------
  53. /** %Print a string in flash memory followed by a CR/LF.
  54. *
  55. * \param[in] pr Print object for output.
  56. * \param[in] str Pointer to string stored in flash memory.
  57. */
  58. void SdFatUtil::println_P( PGM_P str) {
  59. print_P( str);
  60. MYSERIAL.println();
  61. }
  62. //------------------------------------------------------------------------------
  63. /** %Print a string in flash memory to Serial.
  64. *
  65. * \param[in] str Pointer to string stored in flash memory.
  66. */
  67. void SdFatUtil::SerialPrint_P(PGM_P str) {
  68. print_P(str);
  69. }
  70. //------------------------------------------------------------------------------
  71. /** %Print a string in flash memory to Serial followed by a CR/LF.
  72. *
  73. * \param[in] str Pointer to string stored in flash memory.
  74. */
  75. void SdFatUtil::SerialPrintln_P(PGM_P str) {
  76. println_P( str);
  77. }
  78. #endif