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Teensy 4.1 core updated for C++20
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teensy-core-4.1/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. 

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

  37. //#define SERIAL_9BIT_SUPPORT

  38. //

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

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

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

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

  43. //

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

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

  46. 

  47. 

  48. #define SERIAL_7E1 0x02

  49. #define SERIAL_7O1 0x03

  50. #define SERIAL_8N1 0x00

  51. #define SERIAL_8E1 0x06

  52. #define SERIAL_8O1 0x07

  53. #define SERIAL_7E1_RXINV 0x12

  54. #define SERIAL_7O1_RXINV 0x13

  55. #define SERIAL_8N1_RXINV 0x10

  56. #define SERIAL_8E1_RXINV 0x16

  57. #define SERIAL_8O1_RXINV 0x17

  58. #define SERIAL_7E1_TXINV 0x22

  59. #define SERIAL_7O1_TXINV 0x23

  60. #define SERIAL_8N1_TXINV 0x20

  61. #define SERIAL_8E1_TXINV 0x26

  62. #define SERIAL_8O1_TXINV 0x27

  63. #define SERIAL_7E1_RXINV_TXINV 0x32

  64. #define SERIAL_7O1_RXINV_TXINV 0x33

  65. #define SERIAL_8N1_RXINV_TXINV 0x30

  66. #define SERIAL_8E1_RXINV_TXINV 0x36

  67. #define SERIAL_8O1_RXINV_TXINV 0x37

  68. #ifdef SERIAL_9BIT_SUPPORT

  69. #define SERIAL_9N1 0x84

  70. #define SERIAL_9E1 0x8E

  71. #define SERIAL_9O1 0x8F

  72. #define SERIAL_9N1_RXINV 0x94

  73. #define SERIAL_9E1_RXINV 0x9E

  74. #define SERIAL_9O1_RXINV 0x9F

  75. #define SERIAL_9N1_TXINV 0xA4

  76. #define SERIAL_9E1_TXINV 0xAE

  77. #define SERIAL_9O1_TXINV 0xAF

  78. #define SERIAL_9N1_RXINV_TXINV 0xB4

  79. #define SERIAL_9E1_RXINV_TXINV 0xBE

  80. #define SERIAL_9O1_RXINV_TXINV 0xBF

  81. #endif

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

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

  84. #define SERIAL_2STOP_BITS 0x100

  85. #define SERIAL_8E2 (SERIAL_8E1 | SERIAL_2STOP_BITS)

  86. #define SERIAL_8O2 (SERIAL_8O1 | SERIAL_2STOP_BITS)

  87. #define SERIAL_8E2_RXINV (SERIAL_8E1_RXINV | SERIAL_2STOP_BITS)

  88. #define SERIAL_8O2_RXINV (SERIAL_8O1_RXINV | SERIAL_2STOP_BITS)

  89. #define SERIAL_8E2_TXINV (SERIAL_8E1_TXINV | SERIAL_2STOP_BITS)

  90. #define SERIAL_8O2_TXINV (SERIAL_8O1_TXINV | SERIAL_2STOP_BITS)

  91. #define SERIAL_8E2_RXINV_TXINV (SERIAL_8E1_RXINV_TXINV | SERIAL_2STOP_BITS)

  92. #define SERIAL_8O2_RXINV_TXINV (SERIAL_8O1_RXINV_TXINV | SERIAL_2STOP_BITS)

  93. #define SERIAL_8N2 (SERIAL_8N1 | SERIAL_2STOP_BITS)

  94. #define SERIAL_8N2_RXINV (SERIAL_8N1_RXINV | SERIAL_2STOP_BITS)

  95. #define SERIAL_8N2_TXINV (SERIAL_8N1_TXINV | SERIAL_2STOP_BITS)

  96. #define SERIAL_8N2_RXINV_TXINV (SERIAL_8N1_RXINV_TXINV | SERIAL_2STOP_BITS)

  97. #else

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

  99. #define SERIAL_8N2 0x04

  100. #define SERIAL_8N2_RXINV 0x14

  101. #define SERIAL_8N2_TXINV 0x24

  102. #define SERIAL_8N2_RXINV_TXINV 0x34

  103. #endif

  104. 

  105. #define SERIAL_HALF_DUPLEX 0x200

  106. 

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

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

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

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

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

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

  113. // bit6: unused

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

  115. 

  116. 

  117. #if defined(KINETISK)

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

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

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

  121. #elif defined(KINETISL)

  122. 

  123. #if F_CPU <= 2000000

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

  125. #elif F_CPU <= 16000000

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

  127. #else

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

  129. #endif

  130. 

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

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

  133. #endif

  134. 

  135. 

  136. // C language implementation

  137. //

  138. #ifdef __cplusplus

  139. extern "C" {

  140. #endif

  141. void serial_begin(uint32_t divisor);

  142. void serial_format(uint32_t format);

  143. void serial_end(void);

  144. void serial_set_transmit_pin(uint8_t pin);

  145. void serial_set_rx(uint8_t pin);

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

  147. int serial_set_rts(uint8_t pin);

  148. int serial_set_cts(uint8_t pin);

  149. void serial_putchar(uint32_t c);

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

  151. void serial_flush(void);

  152. int serial_write_buffer_free(void);

  153. int serial_available(void);

  154. int serial_getchar(void);

  155. int serial_peek(void);

  156. void serial_clear(void);

  157. void serial_print(const char *p);

  158. void serial_phex(uint32_t n);

  159. void serial_phex16(uint32_t n);

  160. void serial_phex32(uint32_t n);

  161. 

  162. void serial2_begin(uint32_t divisor);

  163. void serial2_format(uint32_t format);

  164. void serial2_end(void);

  165. void serial2_set_transmit_pin(uint8_t pin);

  166. void serial2_set_rx(uint8_t pin);

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

  168. int serial2_set_rts(uint8_t pin);

  169. int serial2_set_cts(uint8_t pin);

  170. void serial2_putchar(uint32_t c);

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

  172. void serial2_flush(void);

  173. int serial2_write_buffer_free(void);

  174. int serial2_available(void);

  175. int serial2_getchar(void);

  176. int serial2_peek(void);

  177. void serial2_clear(void);

  178. 

  179. void serial3_begin(uint32_t divisor);

  180. void serial3_format(uint32_t format);

  181. void serial3_end(void);

  182. void serial3_set_transmit_pin(uint8_t pin);

  183. void serial3_set_rx(uint8_t pin);

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

  185. int serial3_set_rts(uint8_t pin);

  186. int serial3_set_cts(uint8_t pin);

  187. void serial3_putchar(uint32_t c);

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

  189. void serial3_flush(void);

  190. int serial3_write_buffer_free(void);

  191. int serial3_available(void);

  192. int serial3_getchar(void);

  193. int serial3_peek(void);

  194. void serial3_clear(void);

  195. 

  196. void serial4_begin(uint32_t divisor);

  197. void serial4_format(uint32_t format);

  198. void serial4_end(void);

  199. void serial4_set_transmit_pin(uint8_t pin);

  200. void serial4_set_rx(uint8_t pin);

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

  202. int serial4_set_rts(uint8_t pin);

  203. int serial4_set_cts(uint8_t pin);

  204. void serial4_putchar(uint32_t c);

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

  206. void serial4_flush(void);

  207. int serial4_write_buffer_free(void);

  208. int serial4_available(void);

  209. int serial4_getchar(void);

  210. int serial4_peek(void);

  211. void serial4_clear(void);

  212. 

  213. void serial5_begin(uint32_t divisor);

  214. void serial5_format(uint32_t format);

  215. void serial5_end(void);

  216. void serial5_set_transmit_pin(uint8_t pin);

  217. void serial5_set_rx(uint8_t pin);

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

  219. int serial5_set_rts(uint8_t pin);

  220. int serial5_set_cts(uint8_t pin);

  221. void serial5_putchar(uint32_t c);

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

  223. void serial5_flush(void);

  224. int serial5_write_buffer_free(void);

  225. int serial5_available(void);

  226. int serial5_getchar(void);

  227. int serial5_peek(void);

  228. void serial5_clear(void);

  229. 

  230. void serial6_begin(uint32_t divisor);

  231. void serial6_format(uint32_t format);

  232. void serial6_end(void);

  233. void serial6_set_transmit_pin(uint8_t pin);

  234. void serial6_set_rx(uint8_t pin);

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

  236. int serial6_set_rts(uint8_t pin);

  237. int serial6_set_cts(uint8_t pin);

  238. void serial6_putchar(uint32_t c);

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

  240. void serial6_flush(void);

  241. int serial6_write_buffer_free(void);

  242. int serial6_available(void);

  243. int serial6_getchar(void);

  244. int serial6_peek(void);

  245. void serial6_clear(void);

  246. 

  247. #ifdef __cplusplus

  248. }

  249. #endif

  250. 

  251. 

  252. // C++ interface

  253. //

  254. #ifdef __cplusplus

  255. #include "Stream.h"

  256. class HardwareSerial : public Stream

  257. {

  258. public:

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

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

  261. 	enum {CNT_HARDWARE_SERIAL = 6};

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

  263. 	enum {CNT_HARDWARE_SERIAL = 3};

  264. 	#endif

  265. 	virtual void begin(uint32_t baud);

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

  267. 					  serial_begin(BAUD2DIV(baud));

  268. 					  serial_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  281. 	using Print::write;

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

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

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

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

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

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

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

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

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

  291. 					  return len; }

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

  293. 	operator bool()			{ return true; }

  294. 

  295. 	static inline void processSerialEventsList() {

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

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

  298. 		}

  299. 	}

  300. protected:

  301. 	static HardwareSerial 	*s_serials_with_serial_events[CNT_HARDWARE_SERIAL];

  302. 	static uint8_t 			s_count_serials_with_serial_events;

  303. 	void 		(* const _serialEvent)(); 

  304. 	void addToSerialEventsList(); 

  305. 	inline void doYieldCode()  {

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

  307. 	}

  308. 

  309. };

  310. extern HardwareSerial Serial1;

  311. extern void serialEvent1(void);

  312. 

  313. class HardwareSerial2 : public HardwareSerial

  314. {

  315. public:

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

  317. 	virtual void begin(uint32_t baud);

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

  319. 					  serial2_begin(BAUD2DIV2(baud));

  320. 					  serial2_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  333. 	using Print::write;

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

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

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

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

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

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

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

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

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

  343. 					  return len; }

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

  345. 	operator bool()			{ return true; }

  346. };

  347. extern HardwareSerial2 Serial2;

  348. extern void serialEvent2(void);

  349. 

  350. class HardwareSerial3 : public HardwareSerial

  351. {

  352. public:

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

  354. 	virtual void begin(uint32_t baud);

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

  356. 					  serial3_begin(BAUD2DIV3(baud));

  357. 					  serial3_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  370. 	using Print::write;

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

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

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

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

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

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

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

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

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

  380. 					  return len; }

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

  382. 	operator bool()			{ return true; }

  383. };

  384. extern HardwareSerial3 Serial3;

  385. extern void serialEvent3(void);

  386. 

  387. class HardwareSerial4 : public HardwareSerial

  388. {

  389. public:

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

  391. 	virtual void begin(uint32_t baud);

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

  393. 					  serial4_begin(BAUD2DIV3(baud));

  394. 					  serial4_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  407. 	using Print::write;

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

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

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

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

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

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

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

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

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

  417. 					  return len; }

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

  419. 	operator bool()			{ return true; }

  420. };

  421. extern HardwareSerial4 Serial4;

  422. extern void serialEvent4(void);

  423. 

  424. class HardwareSerial5 : public HardwareSerial

  425. {

  426. public:

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

  428. 	virtual void begin(uint32_t baud);

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

  430. 					  serial5_begin(BAUD2DIV3(baud));

  431. 					  serial5_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  444. 	using Print::write;

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

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

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

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

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

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

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

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

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

  454. 					  return len; }

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

  456. 	operator bool()			{ return true; }

  457. };

  458. extern HardwareSerial5 Serial5;

  459. extern void serialEvent5(void);

  460. 

  461. class HardwareSerial6 : public HardwareSerial

  462. {

  463. public:

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

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

  466. 	virtual void begin(uint32_t baud);

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

  468. 					  serial6_begin(baud);

  469. 					  serial6_format(format); }

  470. #else

  471. 	virtual void begin(uint32_t baud);

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

  473. 					  serial6_begin(BAUD2DIV3(baud));

  474. 					  serial6_format(format); }

  475. #endif

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

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

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

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

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

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

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

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

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

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

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

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

  488. 	using Print::write;

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

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

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

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

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

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

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

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

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

  498. 					  return len; }

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

  500. 	operator bool()			{ return true; }

  501. };

  502. extern HardwareSerial6 Serial6;

  503. extern void serialEvent6(void);

  504. 

  505. 

  506. 

  507. 

  508. #endif

  509. #endif