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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) 2017 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. #include <stddef.h>

  36. 

  37. // Uncomment to enable 9 bit formats.  These are default disabled to save memory.

  38. //#define SERIAL_9BIT_SUPPORT

  39. //

  40. // On Windows & Linux, this file is in Arduino's hardware/teensy/avr/cores/teensy3

  41. //   folder.  The Windows installer puts Arduino in C:\Program Files (x86)\Arduino

  42. // On Macintosh, you must control-click Arduino and select "Show Package Contents", then

  43. //   look in Contents/Java/hardware/teensy/avr/cores/teensy3 to find this file.

  44. //

  45. // Teensy 3.x boards support 9 bit mode on all their serial ports

  46. // Teensy LC only supports 9 bit mode on Serial1.  Serial2 & Serial3 can't use 9 bits.

  47. 

  48. 

  49. #define SERIAL_7E1 0x02

  50. #define SERIAL_7O1 0x03

  51. #define SERIAL_8N1 0x00

  52. #define SERIAL_8E1 0x06

  53. #define SERIAL_8O1 0x07

  54. #define SERIAL_7E1_RXINV 0x12

  55. #define SERIAL_7O1_RXINV 0x13

  56. #define SERIAL_8N1_RXINV 0x10

  57. #define SERIAL_8E1_RXINV 0x16

  58. #define SERIAL_8O1_RXINV 0x17

  59. #define SERIAL_7E1_TXINV 0x22

  60. #define SERIAL_7O1_TXINV 0x23

  61. #define SERIAL_8N1_TXINV 0x20

  62. #define SERIAL_8E1_TXINV 0x26

  63. #define SERIAL_8O1_TXINV 0x27

  64. #define SERIAL_7E1_RXINV_TXINV 0x32

  65. #define SERIAL_7O1_RXINV_TXINV 0x33

  66. #define SERIAL_8N1_RXINV_TXINV 0x30

  67. #define SERIAL_8E1_RXINV_TXINV 0x36

  68. #define SERIAL_8O1_RXINV_TXINV 0x37

  69. #ifdef SERIAL_9BIT_SUPPORT

  70. #define SERIAL_9N1 0x84

  71. #define SERIAL_9E1 0x8E

  72. #define SERIAL_9O1 0x8F

  73. #define SERIAL_9N1_RXINV 0x94

  74. #define SERIAL_9E1_RXINV 0x9E

  75. #define SERIAL_9O1_RXINV 0x9F

  76. #define SERIAL_9N1_TXINV 0xA4

  77. #define SERIAL_9E1_TXINV 0xAE

  78. #define SERIAL_9O1_TXINV 0xAF

  79. #define SERIAL_9N1_RXINV_TXINV 0xB4

  80. #define SERIAL_9E1_RXINV_TXINV 0xBE

  81. #define SERIAL_9O1_RXINV_TXINV 0xBF

  82. #endif

  83. // Teensy LC and 3.5 and 3.6 Uarts have 1/2 bit stop setting

  84. #if defined(__MK64FX512__) || defined(__MK66FX1M0__) || defined(KINETISL)

  85. #define SERIAL_2STOP_BITS 0x100

  86. #define SERIAL_8E2 (SERIAL_8E1 | SERIAL_2STOP_BITS)

  87. #define SERIAL_8O2 (SERIAL_8O1 | SERIAL_2STOP_BITS)

  88. #define SERIAL_8E2_RXINV (SERIAL_8E1_RXINV | SERIAL_2STOP_BITS)

  89. #define SERIAL_8O2_RXINV (SERIAL_8O1_RXINV | SERIAL_2STOP_BITS)

  90. #define SERIAL_8E2_TXINV (SERIAL_8E1_TXINV | SERIAL_2STOP_BITS)

  91. #define SERIAL_8O2_TXINV (SERIAL_8O1_TXINV | SERIAL_2STOP_BITS)

  92. #define SERIAL_8E2_RXINV_TXINV (SERIAL_8E1_RXINV_TXINV | SERIAL_2STOP_BITS)

  93. #define SERIAL_8O2_RXINV_TXINV (SERIAL_8O1_RXINV_TXINV | SERIAL_2STOP_BITS)

  94. #define SERIAL_8N2 (SERIAL_8N1 | SERIAL_2STOP_BITS)

  95. #define SERIAL_8N2_RXINV (SERIAL_8N1_RXINV | SERIAL_2STOP_BITS)

  96. #define SERIAL_8N2_TXINV (SERIAL_8N1_TXINV | SERIAL_2STOP_BITS)

  97. #define SERIAL_8N2_RXINV_TXINV (SERIAL_8N1_RXINV_TXINV | SERIAL_2STOP_BITS)

  98. #else

  99. // for Teensy 3.0-3.2 we can fake 2 stop bits by using 9 bit mode

  100. #define SERIAL_8N2 0x04

  101. #define SERIAL_8N2_RXINV 0x14

  102. #define SERIAL_8N2_TXINV 0x24

  103. #define SERIAL_8N2_RXINV_TXINV 0x34

  104. #endif

  105. 

  106. // Half duplex support

  107. #define SERIAL_HALF_DUPLEX 0x200

  108. #define SERIAL_7E1_HALF_DUPLEX (SERIAL_7E1 | SERIAL_HALF_DUPLEX)

  109. #define SERIAL_7O1_HALF_DUPLEX (SERIAL_7O1 | SERIAL_HALF_DUPLEX)

  110. #define SERIAL_8N1_HALF_DUPLEX (SERIAL_8N1 | SERIAL_HALF_DUPLEX)

  111. 

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

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

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

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

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

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

  118. // bit6: unused

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

  120. // bit8: 2 stop bits (T3.5/3.6 and LC)

  121. // bit9: Half duplex

  122. 

  123. 

  124. #if defined(KINETISK)

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

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

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

  128. #elif defined(KINETISL)

  129. 

  130. #if F_CPU <= 2000000

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

  132. #elif F_CPU <= 16000000

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

  134. #else

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

  136. #endif

  137. 

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

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

  140. #endif

  141. 

  142. 

  143. // C language implementation

  144. //

  145. #ifdef __cplusplus

  146. extern "C" {

  147. #endif

  148. void serial_begin(uint32_t divisor);

  149. void serial_format(uint32_t format);

  150. void serial_end(void);

  151. void serial_set_transmit_pin(uint8_t pin);

  152. void serial_set_rx(uint8_t pin);

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

  154. int serial_set_rts(uint8_t pin);

  155. int serial_set_cts(uint8_t pin);

  156. void serial_putchar(uint32_t c);

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

  158. void serial_flush(void);

  159. int serial_write_buffer_free(void);

  160. void serial_add_memory_for_read(void *buffer, size_t length);

  161. void serial_add_memory_for_write(void *buffer, size_t length);

  162. int serial_available(void);

  163. int serial_getchar(void);

  164. int serial_peek(void);

  165. void serial_clear(void);

  166. void serial_print(const char *p);

  167. void serial_phex(uint32_t n);

  168. void serial_phex16(uint32_t n);

  169. void serial_phex32(uint32_t n);

  170. 

  171. void serial2_begin(uint32_t divisor);

  172. void serial2_format(uint32_t format);

  173. void serial2_end(void);

  174. void serial2_set_transmit_pin(uint8_t pin);

  175. void serial2_set_rx(uint8_t pin);

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

  177. int serial2_set_rts(uint8_t pin);

  178. int serial2_set_cts(uint8_t pin);

  179. void serial2_putchar(uint32_t c);

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

  181. void serial2_flush(void);

  182. int serial2_write_buffer_free(void);

  183. void serial2_add_memory_for_read(void *buffer, size_t length);

  184. void serial2_add_memory_for_write(void *buffer, size_t length);

  185. int serial2_available(void);

  186. int serial2_getchar(void);

  187. int serial2_peek(void);

  188. void serial2_clear(void);

  189. 

  190. void serial3_begin(uint32_t divisor);

  191. void serial3_format(uint32_t format);

  192. void serial3_end(void);

  193. void serial3_set_transmit_pin(uint8_t pin);

  194. void serial3_set_rx(uint8_t pin);

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

  196. int serial3_set_rts(uint8_t pin);

  197. int serial3_set_cts(uint8_t pin);

  198. void serial3_putchar(uint32_t c);

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

  200. void serial3_flush(void);

  201. int serial3_write_buffer_free(void);

  202. void serial3_add_memory_for_read(void *buffer, size_t length);

  203. void serial3_add_memory_for_write(void *buffer, size_t length);

  204. int serial3_available(void);

  205. int serial3_getchar(void);

  206. int serial3_peek(void);

  207. void serial3_clear(void);

  208. 

  209. void serial4_begin(uint32_t divisor);

  210. void serial4_format(uint32_t format);

  211. void serial4_end(void);

  212. void serial4_set_transmit_pin(uint8_t pin);

  213. void serial4_set_rx(uint8_t pin);

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

  215. int serial4_set_rts(uint8_t pin);

  216. int serial4_set_cts(uint8_t pin);

  217. void serial4_putchar(uint32_t c);

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

  219. void serial4_flush(void);

  220. int serial4_write_buffer_free(void);

  221. void serial4_add_memory_for_read(void *buffer, size_t length);

  222. void serial4_add_memory_for_write(void *buffer, size_t length);

  223. int serial4_available(void);

  224. int serial4_getchar(void);

  225. int serial4_peek(void);

  226. void serial4_clear(void);

  227. 

  228. void serial5_begin(uint32_t divisor);

  229. void serial5_format(uint32_t format);

  230. void serial5_end(void);

  231. void serial5_set_transmit_pin(uint8_t pin);

  232. void serial5_set_rx(uint8_t pin);

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

  234. int serial5_set_rts(uint8_t pin);

  235. int serial5_set_cts(uint8_t pin);

  236. void serial5_putchar(uint32_t c);

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

  238. void serial5_flush(void);

  239. int serial5_write_buffer_free(void);

  240. void serial5_add_memory_for_read(void *buffer, size_t length);

  241. void serial5_add_memory_for_write(void *buffer, size_t length);

  242. int serial5_available(void);

  243. int serial5_getchar(void);

  244. int serial5_peek(void);

  245. void serial5_clear(void);

  246. 

  247. void serial6_begin(uint32_t divisor);

  248. void serial6_format(uint32_t format);

  249. void serial6_end(void);

  250. void serial6_set_transmit_pin(uint8_t pin);

  251. void serial6_set_rx(uint8_t pin);

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

  253. int serial6_set_rts(uint8_t pin);

  254. int serial6_set_cts(uint8_t pin);

  255. void serial6_putchar(uint32_t c);

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

  257. void serial6_flush(void);

  258. int serial6_write_buffer_free(void);

  259. void serial6_add_memory_for_read(void *buffer, size_t length);

  260. void serial6_add_memory_for_write(void *buffer, size_t length);

  261. int serial6_available(void);

  262. int serial6_getchar(void);

  263. int serial6_peek(void);

  264. void serial6_clear(void);

  265. 

  266. #ifdef __cplusplus

  267. }

  268. #endif

  269. 

  270. 

  271. // C++ interface

  272. //

  273. #ifdef __cplusplus

  274. #include "Stream.h"

  275. class HardwareSerial : public Stream

  276. {

  277. public:

  278. 	constexpr HardwareSerial(void (* const se)()) : _serialEvent(se) {}

  279. 	#if defined(__MK64FX512__) || defined(__MK66FX1M0__) 

  280. 	enum {CNT_HARDWARE_SERIAL = 6};

  281. 	#else //(__MK64FX512__) || defined(__MK66FX1M0__) 

  282. 	enum {CNT_HARDWARE_SERIAL = 3};

  283. 	#endif

  284. 	virtual void begin(uint32_t baud);

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

  286. 					  serial_begin(BAUD2DIV(baud));

  287. 					  serial_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  300.  	virtual void addMemoryForRead(void *buffer, size_t length) {serial_add_memory_for_read(buffer, length);}

  301. 	virtual void addMemoryForWrite(void *buffer, size_t length){serial_add_memory_for_write(buffer, length);}

  302. 	using Print::write;

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

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

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

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

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

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

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

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

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

  312. 					  return len; }

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

  314. 	operator bool()			{ return true; }

  315. 

  316. 	static inline void processSerialEventsList() {

  317. 		for (uint8_t i = 0; i < s_count_serials_with_serial_events; i++) {

  318. 			s_serials_with_serial_events[i]->doYieldCode();

  319. 		}

  320. 	}

  321. protected:

  322. 	static HardwareSerial 	*s_serials_with_serial_events[CNT_HARDWARE_SERIAL];

  323. 	static uint8_t 			s_count_serials_with_serial_events;

  324. 	void 		(* const _serialEvent)(); 

  325. 	void addToSerialEventsList(); 

  326. 	inline void doYieldCode()  {

  327. 		if (available()) (*_serialEvent)();

  328. 	}

  329. 

  330. };

  331. extern HardwareSerial Serial1;

  332. extern void serialEvent1(void);

  333. 

  334. class HardwareSerial2 : public HardwareSerial

  335. {

  336. public:

  337. 	constexpr HardwareSerial2(void (* const se)()) : HardwareSerial(se) {}

  338. 	virtual void begin(uint32_t baud);

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

  340. 					  serial2_begin(BAUD2DIV2(baud));

  341. 					  serial2_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  354.  	virtual void addMemoryForRead(void *buffer, size_t length) {serial2_add_memory_for_read(buffer, length);}

  355. 	virtual void addMemoryForWrite(void *buffer, size_t length){serial2_add_memory_for_write(buffer, length);}

  356. 	using Print::write;

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

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

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

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

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

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

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

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

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

  366. 					  return len; }

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

  368. 	operator bool()			{ return true; }

  369. };

  370. extern HardwareSerial2 Serial2;

  371. extern void serialEvent2(void);

  372. 

  373. class HardwareSerial3 : public HardwareSerial

  374. {

  375. public:

  376. 	constexpr HardwareSerial3(void (* const se)()) : HardwareSerial(se) {}

  377. 	virtual void begin(uint32_t baud);

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

  379. 					  serial3_begin(BAUD2DIV3(baud));

  380. 					  serial3_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  393.  	virtual void addMemoryForRead(void *buffer, size_t length) {serial3_add_memory_for_read(buffer, length);}

  394. 	virtual void addMemoryForWrite(void *buffer, size_t length){serial3_add_memory_for_write(buffer, length);}

  395. 	using Print::write;

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

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

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

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

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

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

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

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

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

  405. 					  return len; }

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

  407. 	operator bool()			{ return true; }

  408. };

  409. extern HardwareSerial3 Serial3;

  410. extern void serialEvent3(void);

  411. 

  412. class HardwareSerial4 : public HardwareSerial

  413. {

  414. public:

  415. 	constexpr HardwareSerial4(void (* const se)()) : HardwareSerial(se) {}

  416. 	virtual void begin(uint32_t baud);

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

  418. 					  serial4_begin(BAUD2DIV3(baud));

  419. 					  serial4_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  432.  	virtual void addMemoryForRead(void *buffer, size_t length) {serial4_add_memory_for_read(buffer, length);}

  433. 	virtual void addMemoryForWrite(void *buffer, size_t length){serial4_add_memory_for_write(buffer, length);}

  434. 	using Print::write;

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

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

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

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

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

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

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

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

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

  444. 					  return len; }

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

  446. 	operator bool()			{ return true; }

  447. };

  448. extern HardwareSerial4 Serial4;

  449. extern void serialEvent4(void);

  450. 

  451. class HardwareSerial5 : public HardwareSerial

  452. {

  453. public:

  454. 	constexpr HardwareSerial5(void (* const se)()) : HardwareSerial(se) {}

  455. 	virtual void begin(uint32_t baud);

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

  457. 					  serial5_begin(BAUD2DIV3(baud));

  458. 					  serial5_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  471.  	virtual void addMemoryForRead(void *buffer, size_t length) {serial5_add_memory_for_read(buffer, length);}

  472. 	virtual void addMemoryForWrite(void *buffer, size_t length){serial5_add_memory_for_write(buffer, length);}

  473. 	using Print::write;

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

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

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

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

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

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

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

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

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

  483. 					  return len; }

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

  485. 	operator bool()			{ return true; }

  486. };

  487. extern HardwareSerial5 Serial5;

  488. extern void serialEvent5(void);

  489. 

  490. class HardwareSerial6 : public HardwareSerial

  491. {

  492. public:

  493. 	constexpr HardwareSerial6(void (* const se)()) : HardwareSerial(se) {}

  494. #if defined(__MK66FX1M0__)	// For LPUART just pass baud straight in. 

  495. 	virtual void begin(uint32_t baud);

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

  497. 					  serial6_begin(baud);

  498. 					  serial6_format(format); }

  499. #else

  500. 	virtual void begin(uint32_t baud);

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

  502. 					  serial6_begin(BAUD2DIV3(baud));

  503. 					  serial6_format(format); }

  504. #endif

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

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

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

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

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

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

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

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

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

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

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

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

  517.  	virtual void addMemoryForRead(void *buffer, size_t length) {serial6_add_memory_for_read(buffer, length);}

  518. 	virtual void addMemoryForWrite(void *buffer, size_t length){serial6_add_memory_for_write(buffer, length);}

  519. 	using Print::write;

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

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

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

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

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

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

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

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

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

  529. 					  return len; }

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

  531. 	operator bool()			{ return true; }

  532. };

  533. extern HardwareSerial6 Serial6;

  534. extern void serialEvent6(void);

  535. 

  536. 

  537. 

  538. 

  539. #endif

  540. #endif