visus
/
teensy-cores
Volgen 1
Ster 0
Vork 0
Code Kwesties 0 Pull-aanvragen 0 Publicaties 0 Wiki Activiteit
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 Commits
1 Branch
Tree: 9b857be028
Branches Labels
${ item.name }
Maak branch ${ searchTerm }
van '9b857be028'
${ noResults }
teensy-cores/teensy3/HardwareSerial.h

228 lines
8.0KB
Ruw Blame Geschiedenis 

  1. /* Teensyduino Core Library

  2.  * http://www.pjrc.com/teensy/

  3.  * Copyright (c) 2013 PJRC.COM, LLC.

  4.  *

  5.  * Permission is hereby granted, free of charge, to any person obtaining

  6.  * a copy of this software and associated documentation files (the

  7.  * "Software"), to deal in the Software without restriction, including

  8.  * without limitation the rights to use, copy, modify, merge, publish,

  9.  * distribute, sublicense, and/or sell copies of the Software, and to

  10.  * permit persons to whom the Software is furnished to do so, subject to

  11.  * the following conditions:

  12.  *

  13.  * 1. The above copyright notice and this permission notice shall be 

  14.  * included in all copies or substantial portions of the Software.

  15.  *

  16.  * 2. If the Software is incorporated into a build system that allows 

  17.  * selection among a list of target devices, then similar target

  18.  * devices manufactured by PJRC.COM must be included in the list of

  19.  * target devices and selectable in the same manner.

  20.  *

  21.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

  22.  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

  23.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

  24.  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

  25.  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

  26.  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

  27.  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

  28.  * SOFTWARE.

  29.  */

  30. 

  31. #ifndef HardwareSerial_h

  32. #define HardwareSerial_h

  33. 

  34. #include "mk20dx128.h"

  35. #include <inttypes.h>

  36. 

  37. // uncomment to enable 9 bit formats

  38. //#define SERIAL_9BIT_SUPPORT

  39. 

  40. 

  41. #define SERIAL_7E1 0x02

  42. #define SERIAL_7O1 0x03

  43. #define SERIAL_8N1 0x00

  44. #define SERIAL_8N2 0x04

  45. #define SERIAL_8E1 0x06

  46. #define SERIAL_8O1 0x07

  47. #define SERIAL_7E1_RXINV 0x12

  48. #define SERIAL_7O1_RXINV 0x13

  49. #define SERIAL_8N1_RXINV 0x10

  50. #define SERIAL_8N2_RXINV 0x14

  51. #define SERIAL_8E1_RXINV 0x16

  52. #define SERIAL_8O1_RXINV 0x17

  53. #define SERIAL_7E1_TXINV 0x22

  54. #define SERIAL_7O1_TXINV 0x23

  55. #define SERIAL_8N1_TXINV 0x20

  56. #define SERIAL_8N2_TXINV 0x24

  57. #define SERIAL_8E1_TXINV 0x26

  58. #define SERIAL_8O1_TXINV 0x27

  59. #define SERIAL_7E1_RXINV_TXINV 0x32

  60. #define SERIAL_7O1_RXINV_TXINV 0x33

  61. #define SERIAL_8N1_RXINV_TXINV 0x30

  62. #define SERIAL_8N2_RXINV_TXINV 0x34

  63. #define SERIAL_8E1_RXINV_TXINV 0x36

  64. #define SERIAL_8O1_RXINV_TXINV 0x37

  65. #ifdef SERIAL_9BIT_SUPPORT

  66. #define SERIAL_9N1 0x84

  67. #define SERIAL_9E1 0x8E

  68. #define SERIAL_9O1 0x8F

  69. #define SERIAL_9N1_RXINV 0x94

  70. #define SERIAL_9E1_RXINV 0x9E

  71. #define SERIAL_9O1_RXINV 0x9F

  72. #define SERIAL_9N1_TXINV 0xA4

  73. #define SERIAL_9E1_TXINV 0xAE

  74. #define SERIAL_9O1_TXINV 0xAF

  75. #define SERIAL_9N1_RXINV_TXINV 0xB4

  76. #define SERIAL_9E1_RXINV_TXINV 0xBE

  77. #define SERIAL_9O1_RXINV_TXINV 0xBF

  78. #endif

  79. // bit0: parity, 0=even, 1=odd

  80. // bit1: parity, 0=disable, 1=enable

  81. // bit2: mode, 1=9bit, 0=8bit

  82. // bit3: mode10: 1=10bit, 0=8bit

  83. // bit4: rxinv, 0=normal, 1=inverted

  84. // bit5: txinv, 0=normal, 1=inverted

  85. // bit6: unused

  86. // bit7: actual data goes into 9th bit

  87. 

  88. 

  89. #define BAUD2DIV(baud)  (((F_CPU * 2) + ((baud) >> 1)) / (baud))

  90. #define BAUD2DIV3(baud) (((F_BUS * 2) + ((baud) >> 1)) / (baud))

  91. 

  92. // C language implementation

  93. //

  94. #ifdef __cplusplus

  95. extern "C" {

  96. #endif

  97. void serial_begin(uint32_t divisor);

  98. void serial_format(uint32_t format);

  99. void serial_end(void);

  100. void serial_set_transmit_pin(uint8_t pin);

  101. void serial_putchar(uint32_t c);

  102. void serial_write(const void *buf, unsigned int count);

  103. void serial_flush(void);

  104. int serial_available(void);

  105. int serial_getchar(void);

  106. int serial_peek(void);

  107. void serial_clear(void);

  108. void serial_print(const char *p);

  109. void serial_phex(uint32_t n);

  110. void serial_phex16(uint32_t n);

  111. void serial_phex32(uint32_t n);

  112. 

  113. void serial2_begin(uint32_t divisor);

  114. void serial2_format(uint32_t format);

  115. void serial2_end(void);

  116. void serial2_putchar(uint32_t c);

  117. void serial2_write(const void *buf, unsigned int count);

  118. void serial2_flush(void);

  119. int serial2_available(void);

  120. int serial2_getchar(void);

  121. int serial2_peek(void);

  122. void serial2_clear(void);

  123. 

  124. void serial3_begin(uint32_t divisor);

  125. void serial3_format(uint32_t format);

  126. void serial3_end(void);

  127. void serial3_putchar(uint32_t c);

  128. void serial3_write(const void *buf, unsigned int count);

  129. void serial3_flush(void);

  130. int serial3_available(void);

  131. int serial3_getchar(void);

  132. int serial3_peek(void);

  133. void serial3_clear(void);

  134. 

  135. #ifdef __cplusplus

  136. }

  137. #endif

  138. 

  139. 

  140. // C++ interface

  141. //

  142. #ifdef __cplusplus

  143. #include "Stream.h"

  144. class HardwareSerial : public Stream

  145. {

  146. public:

  147. 	virtual void begin(uint32_t baud) { serial_begin(BAUD2DIV(baud)); }

  148. 	virtual void begin(uint32_t baud, uint32_t format) {

  149. 					  serial_begin(BAUD2DIV(baud));

  150. 					  serial_format(format); }

  151. 	virtual void end(void)		{ serial_end(); }

  152. 	virtual void transmitterEnable(uint8_t pin) { serial_set_transmit_pin(pin); }

  153. 	virtual int available(void)     { return serial_available(); }

  154. 	virtual int peek(void)          { return serial_peek(); }

  155. 	virtual int read(void)          { return serial_getchar(); }

  156. 	virtual void flush(void)        { serial_flush(); }

  157. 	virtual void clear(void)	{ serial_clear(); }

  158. 	virtual size_t write(uint8_t c) { serial_putchar(c); return 1; }

  159. 	size_t write(unsigned long n)   { return write((uint8_t)n); }

  160. 	size_t write(long n)            { return write((uint8_t)n); }

  161. 	size_t write(unsigned int n)    { return write((uint8_t)n); }

  162. 	size_t write(int n)             { return write((uint8_t)n); }

  163. 	virtual size_t write(const uint8_t *buffer, size_t size)

  164. 					{ serial_write(buffer, size); return size; }

  165.         size_t write(const char *str)	{ size_t len = strlen(str);

  166. 					  serial_write((const uint8_t *)str, len);

  167. 					  return len; }

  168. 	size_t write9bit(uint32_t c)	{ serial_putchar(c); return 1; }

  169. };

  170. extern HardwareSerial Serial1;

  171. 

  172. class HardwareSerial2 : public HardwareSerial

  173. {

  174. public:

  175. 	virtual void begin(uint32_t baud) { serial2_begin(BAUD2DIV(baud)); }

  176. 	virtual void begin(uint32_t baud, uint32_t format) {

  177. 					  serial2_begin(BAUD2DIV(baud));

  178. 					  serial2_format(format); }

  179. 	virtual void end(void)		{ serial2_end(); }

  180. 	virtual int available(void)     { return serial2_available(); }

  181. 	virtual int peek(void)          { return serial2_peek(); }

  182. 	virtual int read(void)          { return serial2_getchar(); }

  183. 	virtual void flush(void)        { serial2_flush(); }

  184. 	virtual void clear(void)	{ serial2_clear(); }

  185. 	virtual size_t write(uint8_t c) { serial2_putchar(c); return 1; }

  186. 	size_t write(unsigned long n)   { return write((uint8_t)n); }

  187. 	size_t write(long n)            { return write((uint8_t)n); }

  188. 	size_t write(unsigned int n)    { return write((uint8_t)n); }

  189. 	size_t write(int n)             { return write((uint8_t)n); }

  190. 	virtual size_t write(const uint8_t *buffer, size_t size)

  191. 					{ serial2_write(buffer, size); return size; }

  192.         size_t write(const char *str)	{ size_t len = strlen(str);

  193. 					  serial2_write((const uint8_t *)str, len);

  194. 					  return len; }

  195. 	size_t write9bit(uint32_t c)	{ serial2_putchar(c); return 1; }

  196. };

  197. extern HardwareSerial2 Serial2;

  198. 

  199. class HardwareSerial3 : public HardwareSerial

  200. {

  201. public:

  202. 	virtual void begin(uint32_t baud) { serial3_begin(BAUD2DIV3(baud)); }

  203. 	virtual void begin(uint32_t baud, uint32_t format) {

  204. 					  serial3_begin(BAUD2DIV3(baud));

  205. 					  serial3_format(format); }

  206. 	virtual void end(void)          { serial3_end(); }

  207. 	virtual int available(void)     { return serial3_available(); }

  208. 	virtual int peek(void)          { return serial3_peek(); }

  209. 	virtual int read(void)          { return serial3_getchar(); }

  210. 	virtual void flush(void)        { serial3_flush(); }

  211. 	virtual void clear(void)	{ serial3_clear(); }

  212. 	virtual size_t write(uint8_t c) { serial3_putchar(c); return 1; }

  213. 	size_t write(unsigned long n)   { return write((uint8_t)n); }

  214. 	size_t write(long n)            { return write((uint8_t)n); }

  215. 	size_t write(unsigned int n)    { return write((uint8_t)n); }

  216. 	size_t write(int n)             { return write((uint8_t)n); }

  217. 	virtual size_t write(const uint8_t *buffer, size_t size)

  218. 					{ serial3_write(buffer, size); return size; }

  219.         size_t write(const char *str)	{ size_t len = strlen(str);

  220. 					  serial3_write((const uint8_t *)str, len);

  221. 					  return len; }

  222. 	size_t write9bit(uint32_t c)	{ serial3_putchar(c); return 1; }

  223. };

  224. extern HardwareSerial3 Serial3;

  225. 

  226. #endif

  227. #endif