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

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

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

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

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

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

  110. // bit6: unused

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

  112. 

  113. 

  114. #if defined(KINETISK)

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

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

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

  118. #elif defined(KINETISL)

  119. 

  120. #if F_CPU <= 2000000

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

  122. #elif F_CPU <= 16000000

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

  124. #else

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

  126. #endif

  127. 

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

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

  130. #endif

  131. 

  132. 

  133. // C language implementation

  134. //

  135. #ifdef __cplusplus

  136. extern "C" {

  137. #endif

  138. void serial_begin(uint32_t divisor);

  139. void serial_format(uint32_t format);

  140. void serial_end(void);

  141. void serial_set_transmit_pin(uint8_t pin);

  142. void serial_set_rx(uint8_t pin);

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

  144. int serial_set_rts(uint8_t pin);

  145. int serial_set_cts(uint8_t pin);

  146. void serial_putchar(uint32_t c);

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

  148. void serial_flush(void);

  149. int serial_write_buffer_free(void);

  150. int serial_available(void);

  151. int serial_getchar(void);

  152. int serial_peek(void);

  153. void serial_clear(void);

  154. void serial_print(const char *p);

  155. void serial_phex(uint32_t n);

  156. void serial_phex16(uint32_t n);

  157. void serial_phex32(uint32_t n);

  158. 

  159. void serial2_begin(uint32_t divisor);

  160. void serial2_format(uint32_t format);

  161. void serial2_end(void);

  162. void serial2_set_transmit_pin(uint8_t pin);

  163. void serial2_set_rx(uint8_t pin);

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

  165. int serial2_set_rts(uint8_t pin);

  166. int serial2_set_cts(uint8_t pin);

  167. void serial2_putchar(uint32_t c);

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

  169. void serial2_flush(void);

  170. int serial2_write_buffer_free(void);

  171. int serial2_available(void);

  172. int serial2_getchar(void);

  173. int serial2_peek(void);

  174. void serial2_clear(void);

  175. 

  176. void serial3_begin(uint32_t divisor);

  177. void serial3_format(uint32_t format);

  178. void serial3_end(void);

  179. void serial3_set_transmit_pin(uint8_t pin);

  180. void serial3_set_rx(uint8_t pin);

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

  182. int serial3_set_rts(uint8_t pin);

  183. int serial3_set_cts(uint8_t pin);

  184. void serial3_putchar(uint32_t c);

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

  186. void serial3_flush(void);

  187. int serial3_write_buffer_free(void);

  188. int serial3_available(void);

  189. int serial3_getchar(void);

  190. int serial3_peek(void);

  191. void serial3_clear(void);

  192. 

  193. void serial4_begin(uint32_t divisor);

  194. void serial4_format(uint32_t format);

  195. void serial4_end(void);

  196. void serial4_set_transmit_pin(uint8_t pin);

  197. void serial4_set_rx(uint8_t pin);

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

  199. int serial4_set_rts(uint8_t pin);

  200. int serial4_set_cts(uint8_t pin);

  201. void serial4_putchar(uint32_t c);

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

  203. void serial4_flush(void);

  204. int serial4_write_buffer_free(void);

  205. int serial4_available(void);

  206. int serial4_getchar(void);

  207. int serial4_peek(void);

  208. void serial4_clear(void);

  209. 

  210. void serial5_begin(uint32_t divisor);

  211. void serial5_format(uint32_t format);

  212. void serial5_end(void);

  213. void serial5_set_transmit_pin(uint8_t pin);

  214. void serial5_set_rx(uint8_t pin);

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

  216. int serial5_set_rts(uint8_t pin);

  217. int serial5_set_cts(uint8_t pin);

  218. void serial5_putchar(uint32_t c);

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

  220. void serial5_flush(void);

  221. int serial5_write_buffer_free(void);

  222. int serial5_available(void);

  223. int serial5_getchar(void);

  224. int serial5_peek(void);

  225. void serial5_clear(void);

  226. 

  227. void serial6_begin(uint32_t divisor);

  228. void serial6_format(uint32_t format);

  229. void serial6_end(void);

  230. void serial6_set_transmit_pin(uint8_t pin);

  231. void serial6_set_rx(uint8_t pin);

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

  233. int serial6_set_rts(uint8_t pin);

  234. int serial6_set_cts(uint8_t pin);

  235. void serial6_putchar(uint32_t c);

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

  237. void serial6_flush(void);

  238. int serial6_write_buffer_free(void);

  239. int serial6_available(void);

  240. int serial6_getchar(void);

  241. int serial6_peek(void);

  242. void serial6_clear(void);

  243. 

  244. #ifdef __cplusplus

  245. }

  246. #endif

  247. 

  248. 

  249. // C++ interface

  250. //

  251. #ifdef __cplusplus

  252. #include "Stream.h"

  253. class HardwareSerial : public Stream

  254. {

  255. public:

  256. 	constexpr HardwareSerial() {}

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

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

  259. 					  serial_begin(BAUD2DIV(baud));

  260. 					  serial_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  273. 	using Print::write;

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

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

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

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

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

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

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

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

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

  283. 					  return len; }

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

  285. 	operator bool()			{ return true; }

  286. };

  287. extern HardwareSerial Serial1;

  288. extern void serialEvent1(void);

  289. 

  290. class HardwareSerial2 : public HardwareSerial

  291. {

  292. public:

  293. 	constexpr HardwareSerial2() {}

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

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

  296. 					  serial2_begin(BAUD2DIV2(baud));

  297. 					  serial2_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  310. 	using Print::write;

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

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

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

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

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

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

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

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

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

  320. 					  return len; }

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

  322. 	operator bool()			{ return true; }

  323. };

  324. extern HardwareSerial2 Serial2;

  325. extern void serialEvent2(void);

  326. 

  327. class HardwareSerial3 : public HardwareSerial

  328. {

  329. public:

  330. 	constexpr HardwareSerial3() {}

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

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

  333. 					  serial3_begin(BAUD2DIV3(baud));

  334. 					  serial3_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  347. 	using Print::write;

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

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

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

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

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

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

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

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

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

  357. 					  return len; }

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

  359. 	operator bool()			{ return true; }

  360. };

  361. extern HardwareSerial3 Serial3;

  362. extern void serialEvent3(void);

  363. 

  364. class HardwareSerial4 : public HardwareSerial

  365. {

  366. public:

  367. 	constexpr HardwareSerial4() {}

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

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

  370. 					  serial4_begin(BAUD2DIV3(baud));

  371. 					  serial4_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  384. 	using Print::write;

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

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

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

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

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

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

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

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

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

  394. 					  return len; }

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

  396. 	operator bool()			{ return true; }

  397. };

  398. extern HardwareSerial4 Serial4;

  399. extern void serialEvent4(void);

  400. 

  401. class HardwareSerial5 : public HardwareSerial

  402. {

  403. public:

  404. 	constexpr HardwareSerial5() {}

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

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

  407. 					  serial5_begin(BAUD2DIV3(baud));

  408. 					  serial5_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  421. 	using Print::write;

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

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

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

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

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

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

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

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

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

  431. 					  return len; }

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

  433. 	operator bool()			{ return true; }

  434. };

  435. extern HardwareSerial5 Serial5;

  436. extern void serialEvent5(void);

  437. 

  438. class HardwareSerial6 : public HardwareSerial

  439. {

  440. public:

  441. 	constexpr HardwareSerial6() {}

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

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

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

  445. 					  serial6_begin(baud);

  446. 					  serial6_format(format); }

  447. #else

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

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

  450. 					  serial6_begin(BAUD2DIV3(baud));

  451. 					  serial6_format(format); }

  452. #endif

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

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

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

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

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

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

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

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

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

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

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

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

  465. 	using Print::write;

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

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

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

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

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

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

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

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

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

  475. 					  return len; }

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

  477. 	operator bool()			{ return true; }

  478. };

  479. extern HardwareSerial6 Serial6;

  480. extern void serialEvent6(void);

  481. 

  482. 

  483. 

  484. 

  485. #endif

  486. #endif