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teensy-cores/teensy3/HardwareSerial.h

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  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 "kinetis.h"

  35. 

  36. // uncomment to enable 9 bit formats

  37. //#define SERIAL_9BIT_SUPPORT

  38. 

  39. 

  40. #define SERIAL_7E1 0x02

  41. #define SERIAL_7O1 0x03

  42. #define SERIAL_8N1 0x00

  43. #define SERIAL_8N2 0x04

  44. #define SERIAL_8E1 0x06

  45. #define SERIAL_8O1 0x07

  46. #define SERIAL_7E1_RXINV 0x12

  47. #define SERIAL_7O1_RXINV 0x13

  48. #define SERIAL_8N1_RXINV 0x10

  49. #define SERIAL_8N2_RXINV 0x14

  50. #define SERIAL_8E1_RXINV 0x16

  51. #define SERIAL_8O1_RXINV 0x17

  52. #define SERIAL_7E1_TXINV 0x22

  53. #define SERIAL_7O1_TXINV 0x23

  54. #define SERIAL_8N1_TXINV 0x20

  55. #define SERIAL_8N2_TXINV 0x24

  56. #define SERIAL_8E1_TXINV 0x26

  57. #define SERIAL_8O1_TXINV 0x27

  58. #define SERIAL_7E1_RXINV_TXINV 0x32

  59. #define SERIAL_7O1_RXINV_TXINV 0x33

  60. #define SERIAL_8N1_RXINV_TXINV 0x30

  61. #define SERIAL_8N2_RXINV_TXINV 0x34

  62. #define SERIAL_8E1_RXINV_TXINV 0x36

  63. #define SERIAL_8O1_RXINV_TXINV 0x37

  64. #ifdef SERIAL_9BIT_SUPPORT

  65. #define SERIAL_9N1 0x84

  66. #define SERIAL_9E1 0x8E

  67. #define SERIAL_9O1 0x8F

  68. #define SERIAL_9N1_RXINV 0x94

  69. #define SERIAL_9E1_RXINV 0x9E

  70. #define SERIAL_9O1_RXINV 0x9F

  71. #define SERIAL_9N1_TXINV 0xA4

  72. #define SERIAL_9E1_TXINV 0xAE

  73. #define SERIAL_9O1_TXINV 0xAF

  74. #define SERIAL_9N1_RXINV_TXINV 0xB4

  75. #define SERIAL_9E1_RXINV_TXINV 0xBE

  76. #define SERIAL_9O1_RXINV_TXINV 0xBF

  77. #endif

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

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

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

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

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

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

  84. // bit6: unused

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

  86. 

  87. 

  88. #if defined(KINETISK)

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

  90. #define BAUD2DIV2(baud) (((F_CPU * 2) + ((baud) >> 1)) / (baud))

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

  92. #elif defined(KINETISL)

  93. 

  94. #if F_CPU <= 2000000

  95. #define BAUD2DIV(baud)  (((F_PLL / 16 ) + ((baud) >> 1)) / (baud))

  96. #elif F_CPU <= 16000000

  97. #define BAUD2DIV(baud)  (((F_PLL / (F_PLL / 1000000)) + ((baud) >> 1)) / (baud))

  98. #else

  99. #define BAUD2DIV(baud)  (((F_PLL / 2 / 16) + ((baud) >> 1)) / (baud))

  100. #endif

  101. 

  102. #define BAUD2DIV2(baud) (((F_BUS / 16) + ((baud) >> 1)) / (baud))

  103. #define BAUD2DIV3(baud) (((F_BUS / 16) + ((baud) >> 1)) / (baud))

  104. #endif

  105. 

  106. 

  107. // C language implementation

  108. //

  109. #ifdef __cplusplus

  110. extern "C" {

  111. #endif

  112. void serial_begin(uint32_t divisor);

  113. void serial_format(uint32_t format);

  114. void serial_end(void);

  115. void serial_set_transmit_pin(uint8_t pin);

  116. void serial_set_rx(uint8_t pin);

  117. void serial_set_tx(uint8_t pin, uint8_t opendrain);

  118. int serial_set_rts(uint8_t pin);

  119. int serial_set_cts(uint8_t pin);

  120. void serial_putchar(uint32_t c);

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

  122. void serial_flush(void);

  123. int serial_write_buffer_free(void);

  124. int serial_available(void);

  125. int serial_getchar(void);

  126. int serial_peek(void);

  127. void serial_clear(void);

  128. void serial_print(const char *p);

  129. void serial_phex(uint32_t n);

  130. void serial_phex16(uint32_t n);

  131. void serial_phex32(uint32_t n);

  132. 

  133. void serial2_begin(uint32_t divisor);

  134. void serial2_format(uint32_t format);

  135. void serial2_end(void);

  136. void serial2_set_transmit_pin(uint8_t pin);

  137. void serial2_set_rx(uint8_t pin);

  138. void serial2_set_tx(uint8_t pin, uint8_t opendrain);

  139. int serial2_set_rts(uint8_t pin);

  140. int serial2_set_cts(uint8_t pin);

  141. void serial2_putchar(uint32_t c);

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

  143. void serial2_flush(void);

  144. int serial2_write_buffer_free(void);

  145. int serial2_available(void);

  146. int serial2_getchar(void);

  147. int serial2_peek(void);

  148. void serial2_clear(void);

  149. 

  150. void serial3_begin(uint32_t divisor);

  151. void serial3_format(uint32_t format);

  152. void serial3_end(void);

  153. void serial3_set_transmit_pin(uint8_t pin);

  154. void serial3_set_rx(uint8_t pin);

  155. void serial3_set_tx(uint8_t pin, uint8_t opendrain);

  156. int serial3_set_rts(uint8_t pin);

  157. int serial3_set_cts(uint8_t pin);

  158. void serial3_putchar(uint32_t c);

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

  160. void serial3_flush(void);

  161. int serial3_write_buffer_free(void);

  162. int serial3_available(void);

  163. int serial3_getchar(void);

  164. int serial3_peek(void);

  165. void serial3_clear(void);

  166. 

  167. void serial4_begin(uint32_t divisor);

  168. void serial4_format(uint32_t format);

  169. void serial4_end(void);

  170. void serial4_set_transmit_pin(uint8_t pin);

  171. void serial4_set_rx(uint8_t pin);

  172. void serial4_set_tx(uint8_t pin, uint8_t opendrain);

  173. int serial4_set_rts(uint8_t pin);

  174. int serial4_set_cts(uint8_t pin);

  175. void serial4_putchar(uint32_t c);

  176. void serial4_write(const void *buf, unsigned int count);

  177. void serial4_flush(void);

  178. int serial4_write_buffer_free(void);

  179. int serial4_available(void);

  180. int serial4_getchar(void);

  181. int serial4_peek(void);

  182. void serial4_clear(void);

  183. 

  184. void serial5_begin(uint32_t divisor);

  185. void serial5_format(uint32_t format);

  186. void serial5_end(void);

  187. void serial5_set_transmit_pin(uint8_t pin);

  188. void serial5_set_rx(uint8_t pin);

  189. void serial5_set_tx(uint8_t pin, uint8_t opendrain);

  190. int serial5_set_rts(uint8_t pin);

  191. int serial5_set_cts(uint8_t pin);

  192. void serial5_putchar(uint32_t c);

  193. void serial5_write(const void *buf, unsigned int count);

  194. void serial5_flush(void);

  195. int serial5_write_buffer_free(void);

  196. int serial5_available(void);

  197. int serial5_getchar(void);

  198. int serial5_peek(void);

  199. void serial5_clear(void);

  200. 

  201. void serial6_begin(uint32_t divisor);

  202. void serial6_format(uint32_t format);

  203. void serial6_end(void);

  204. void serial6_set_transmit_pin(uint8_t pin);

  205. void serial6_set_rx(uint8_t pin);

  206. void serial6_set_tx(uint8_t pin, uint8_t opendrain);

  207. int serial6_set_rts(uint8_t pin);

  208. int serial6_set_cts(uint8_t pin);

  209. void serial6_putchar(uint32_t c);

  210. void serial6_write(const void *buf, unsigned int count);

  211. void serial6_flush(void);

  212. int serial6_write_buffer_free(void);

  213. int serial6_available(void);

  214. int serial6_getchar(void);

  215. int serial6_peek(void);

  216. void serial6_clear(void);

  217. 

  218. #ifdef __cplusplus

  219. }

  220. #endif

  221. 

  222. 

  223. // C++ interface

  224. //

  225. #ifdef __cplusplus

  226. #include "Stream.h"

  227. class HardwareSerial : public Stream

  228. {

  229. public:

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

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

  232. 					  serial_begin(BAUD2DIV(baud));

  233. 					  serial_format(format); }

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

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

  236. 	virtual void setRX(uint8_t pin) { serial_set_rx(pin); }

  237. 	virtual void setTX(uint8_t pin, bool opendrain=false) { serial_set_tx(pin, opendrain); }

  238. 	virtual bool attachRts(uint8_t pin) { return serial_set_rts(pin); }

  239. 	virtual bool attachCts(uint8_t pin) { return serial_set_cts(pin); }

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

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

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

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

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

  245. 	virtual int availableForWrite(void) { return serial_write_buffer_free(); }

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

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

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

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

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

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

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

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

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

  255. 					  return len; }

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

  257. 	operator bool()			{ return true; }

  258. };

  259. extern HardwareSerial Serial1;

  260. extern void serialEvent1(void);

  261. 

  262. class HardwareSerial2 : public HardwareSerial

  263. {

  264. public:

  265. 	virtual void begin(uint32_t baud) { serial2_begin(BAUD2DIV2(baud)); }

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

  267. 					  serial2_begin(BAUD2DIV2(baud));

  268. 					  serial2_format(format); }

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

  270. 	virtual void transmitterEnable(uint8_t pin) { serial2_set_transmit_pin(pin); }

  271. 	virtual void setRX(uint8_t pin) { serial2_set_rx(pin); }

  272. 	virtual void setTX(uint8_t pin, bool opendrain=false) { serial2_set_tx(pin, opendrain); }

  273. 	virtual bool attachRts(uint8_t pin) { return serial2_set_rts(pin); }

  274. 	virtual bool attachCts(uint8_t pin) { return serial2_set_cts(pin); }

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

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

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

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

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

  280. 	virtual int availableForWrite(void) { return serial2_write_buffer_free(); }

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

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

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

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

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

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

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

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

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

  290. 					  return len; }

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

  292. 	operator bool()			{ return true; }

  293. };

  294. extern HardwareSerial2 Serial2;

  295. extern void serialEvent2(void);

  296. 

  297. class HardwareSerial3 : public HardwareSerial

  298. {

  299. public:

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

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

  302. 					  serial3_begin(BAUD2DIV3(baud));

  303. 					  serial3_format(format); }

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

  305. 	virtual void transmitterEnable(uint8_t pin) { serial3_set_transmit_pin(pin); }

  306. 	virtual void setRX(uint8_t pin) { serial3_set_rx(pin); }

  307. 	virtual void setTX(uint8_t pin, bool opendrain=false) { serial3_set_tx(pin, opendrain); }

  308. 	virtual bool attachRts(uint8_t pin) { return serial3_set_rts(pin); }

  309. 	virtual bool attachCts(uint8_t pin) { return serial3_set_cts(pin); }

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

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

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

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

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

  315. 	virtual int availableForWrite(void) { return serial3_write_buffer_free(); }

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

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

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

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

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

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

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

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

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

  325. 					  return len; }

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

  327. 	operator bool()			{ return true; }

  328. };

  329. extern HardwareSerial3 Serial3;

  330. extern void serialEvent3(void);

  331. 

  332. class HardwareSerial4 : public HardwareSerial

  333. {

  334. public:

  335. 	virtual void begin(uint32_t baud) { serial4_begin(BAUD2DIV3(baud)); }

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

  337. 					  serial4_begin(BAUD2DIV3(baud));

  338. 					  serial4_format(format); }

  339. 	virtual void end(void)          { serial4_end(); }

  340. 	virtual void transmitterEnable(uint8_t pin) { serial4_set_transmit_pin(pin); }

  341. 	virtual void setRX(uint8_t pin) { serial4_set_rx(pin); }

  342. 	virtual void setTX(uint8_t pin, bool opendrain=false) { serial4_set_tx(pin, opendrain); }

  343. 	virtual bool attachRts(uint8_t pin) { return serial4_set_rts(pin); }

  344. 	virtual bool attachCts(uint8_t pin) { return serial4_set_cts(pin); }

  345. 	virtual int available(void)     { return serial4_available(); }

  346. 	virtual int peek(void)          { return serial4_peek(); }

  347. 	virtual int read(void)          { return serial4_getchar(); }

  348. 	virtual void flush(void)        { serial4_flush(); }

  349. 	virtual void clear(void)	{ serial4_clear(); }

  350. 	virtual int availableForWrite(void) { return serial4_write_buffer_free(); }

  351. 	virtual size_t write(uint8_t c) { serial4_putchar(c); return 1; }

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

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

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

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

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

  357. 					{ serial4_write(buffer, size); return size; }

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

  359. 					  serial4_write((const uint8_t *)str, len);

  360. 					  return len; }

  361. 	virtual size_t write9bit(uint32_t c)	{ serial4_putchar(c); return 1; }

  362. 	operator bool()			{ return true; }

  363. };

  364. extern HardwareSerial4 Serial4;

  365. extern void serialEvent4(void);

  366. 

  367. class HardwareSerial5 : public HardwareSerial

  368. {

  369. public:

  370. 	virtual void begin(uint32_t baud) { serial5_begin(BAUD2DIV3(baud)); }

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

  372. 					  serial5_begin(BAUD2DIV3(baud));

  373. 					  serial5_format(format); }

  374. 	virtual void end(void)          { serial5_end(); }

  375. 	virtual void transmitterEnable(uint8_t pin) { serial5_set_transmit_pin(pin); }

  376. 	virtual void setRX(uint8_t pin) { serial5_set_rx(pin); }

  377. 	virtual void setTX(uint8_t pin, bool opendrain=false) { serial5_set_tx(pin, opendrain); }

  378. 	virtual bool attachRts(uint8_t pin) { return serial5_set_rts(pin); }

  379. 	virtual bool attachCts(uint8_t pin) { return serial5_set_cts(pin); }

  380. 	virtual int available(void)     { return serial5_available(); }

  381. 	virtual int peek(void)          { return serial5_peek(); }

  382. 	virtual int read(void)          { return serial5_getchar(); }

  383. 	virtual void flush(void)        { serial5_flush(); }

  384. 	virtual void clear(void)	{ serial5_clear(); }

  385. 	virtual int availableForWrite(void) { return serial5_write_buffer_free(); }

  386. 	virtual size_t write(uint8_t c) { serial5_putchar(c); return 1; }

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

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

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

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

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

  392. 					{ serial5_write(buffer, size); return size; }

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

  394. 					  serial5_write((const uint8_t *)str, len);

  395. 					  return len; }

  396. 	virtual size_t write9bit(uint32_t c)	{ serial5_putchar(c); return 1; }

  397. 	operator bool()			{ return true; }

  398. };

  399. extern HardwareSerial5 Serial5;

  400. extern void serialEvent5(void);

  401. 

  402. class HardwareSerial6 : public HardwareSerial

  403. {

  404. public:

  405. 	virtual void begin(uint32_t baud) { serial6_begin(BAUD2DIV3(baud)); }

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

  407. 					  serial6_begin(BAUD2DIV3(baud));

  408. 					  serial6_format(format); }

  409. 	virtual void end(void)          { serial6_end(); }

  410. 	virtual void transmitterEnable(uint8_t pin) { serial6_set_transmit_pin(pin); }

  411. 	virtual void setRX(uint8_t pin) { serial6_set_rx(pin); }

  412. 	virtual void setTX(uint8_t pin, bool opendrain=false) { serial6_set_tx(pin, opendrain); }

  413. 	virtual bool attachRts(uint8_t pin) { return serial6_set_rts(pin); }

  414. 	virtual bool attachCts(uint8_t pin) { return serial6_set_cts(pin); }

  415. 	virtual int available(void)     { return serial6_available(); }

  416. 	virtual int peek(void)          { return serial6_peek(); }

  417. 	virtual int read(void)          { return serial6_getchar(); }

  418. 	virtual void flush(void)        { serial6_flush(); }

  419. 	virtual void clear(void)	{ serial6_clear(); }

  420. 	virtual int availableForWrite(void) { return serial6_write_buffer_free(); }

  421. 	virtual size_t write(uint8_t c) { serial6_putchar(c); return 1; }

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

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

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

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

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

  427. 					{ serial6_write(buffer, size); return size; }

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

  429. 					  serial6_write((const uint8_t *)str, len);

  430. 					  return len; }

  431. 	virtual size_t write9bit(uint32_t c)	{ serial6_putchar(c); return 1; }

  432. 	operator bool()			{ return true; }

  433. };

  434. extern HardwareSerial6 Serial6;

  435. extern void serialEvent6(void);

  436. 

  437. 

  438. 

  439. 

  440. #endif

  441. #endif