PrintBasic.h 4.6 KB

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  1. /**
  2. * Copyright (c) 2011-2020 Bill Greiman
  3. * This file is part of the SdFat library for SD memory cards.
  4. *
  5. * MIT License
  6. *
  7. * Permission is hereby granted, free of charge, to any person obtaining a
  8. * copy of this software and associated documentation files (the "Software"),
  9. * to deal in the Software without restriction, including without limitation
  10. * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11. * and/or sell copies of the Software, and to permit persons to whom the
  12. * Software is furnished to do so, subject to the following conditions:
  13. *
  14. * The above copyright notice and this permission notice shall be included
  15. * in all copies or substantial portions of the Software.
  16. *
  17. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18. * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23. * DEALINGS IN THE SOFTWARE.
  24. */
  25. #ifndef PrintBasic_h
  26. #define PrintBasic_h
  27. /**
  28. * \file
  29. * \brief Stream/Print like replacement for non-Arduino systems.
  30. */
  31. #include <stdint.h>
  32. #include <stddef.h>
  33. #include <string.h>
  34. #ifdef F
  35. #warning F() macro defined for non Arduino System
  36. #elif defined(__AVR__)
  37. #include <avr/pgmspace.h>
  38. class __FlashStringHelper;
  39. #define F(str) (reinterpret_cast<const __FlashStringHelper *>(PSTR(str)))
  40. #else // F
  41. #define F(str) (str)
  42. #endif // F
  43. #ifdef BIN
  44. #undef BIN
  45. #endif // BIN
  46. #define BIN 2
  47. #define OCT 8
  48. #define DEC 10
  49. #define HEX 16
  50. class PrintBasic {
  51. public:
  52. PrintBasic() : m_error(0) {}
  53. void clearWriteError() {
  54. setWriteError(0);
  55. }
  56. int getWriteError() {
  57. return m_error;
  58. }
  59. size_t print(char c) {
  60. return write(c);
  61. }
  62. size_t print(const char* str) {
  63. return write(str);
  64. }
  65. size_t print(const __FlashStringHelper *str) {
  66. #ifdef __AVR__
  67. PGM_P p = reinterpret_cast<PGM_P>(str);
  68. size_t n = 0;
  69. for (uint8_t c; (c = pgm_read_byte(p + n)) && write(c); n++) {}
  70. return n;
  71. #else // __AVR__
  72. return print(reinterpret_cast<const char *>(str));
  73. #endif // __AVR__
  74. }
  75. size_t println(const __FlashStringHelper *str) {
  76. #ifdef __AVR__
  77. return print(str) + println();
  78. #else // __AVR__
  79. return println(reinterpret_cast<const char *>(str));
  80. #endif // __AVR__
  81. }
  82. size_t print(double n, uint8_t prec = 2) {
  83. return printDouble(n, prec);
  84. }
  85. size_t print(signed char n, uint8_t base = 10) {
  86. return print((long)n, base);
  87. }
  88. size_t print(unsigned char n, uint8_t base = 10) {
  89. return print((unsigned long)n, base);
  90. }
  91. size_t print(int n, uint8_t base = 10) {
  92. return print((long)n, base);
  93. }
  94. size_t print(unsigned int n, uint8_t base = 10) {
  95. return print((unsigned long)n, base);
  96. }
  97. size_t print(long n, uint8_t base = 10);
  98. size_t print(unsigned long n, uint8_t base = 10) {
  99. return printNum(n, base);
  100. }
  101. size_t println() {
  102. return write("\r\n");
  103. }
  104. size_t println(char c) {
  105. return write(c) + println();
  106. }
  107. size_t println(const char* str) {
  108. return print(str) + println();
  109. }
  110. size_t println(double n, uint8_t prec = 2) {
  111. return print(n, prec) + println();
  112. }
  113. size_t println(signed char n, uint8_t base = 10) {
  114. return print(n, base) + println();
  115. }
  116. size_t println(unsigned char n, uint8_t base = 10) {
  117. return print(n, base) + println();
  118. }
  119. size_t println(int n, uint8_t base = 10) {
  120. return print(n, base) + println();
  121. }
  122. size_t println(unsigned int n, uint8_t base = 10) {
  123. return print(n, base) + println();
  124. }
  125. size_t println(long n, uint8_t base = 10) {
  126. return print(n, base) + println();
  127. }
  128. size_t println(unsigned long n, uint8_t base = 10) {
  129. return print(n, base) + println();
  130. }
  131. size_t write(const char *str) {
  132. return write(str, strlen(str));
  133. }
  134. virtual size_t write(uint8_t b) = 0;
  135. virtual size_t write(const uint8_t* buffer, size_t size) {
  136. size_t i;
  137. for (i = 0; i < size; i++) {
  138. if (!write(buffer[i])) break;
  139. }
  140. return i;
  141. }
  142. size_t write(const char *buffer, size_t size) {
  143. return write((const uint8_t*)buffer, size);
  144. }
  145. protected:
  146. void setWriteError(int err = 1) {
  147. m_error = err;
  148. }
  149. private:
  150. size_t printDouble(double n, uint8_t prec);
  151. size_t printNum(unsigned long n, uint8_t base);
  152. int m_error;
  153. };
  154. //------------------------------------------------------------------------------
  155. class StreamBasic : public PrintBasic {
  156. public:
  157. virtual int available() = 0;
  158. virtual int peek() = 0;
  159. virtual int read() = 0;
  160. };
  161. #endif // PrintBasic_h