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teensy-cores/teensy4/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 "imxrt.h"

  35. 

  36. #ifdef __cplusplus

  37. #include "Stream.h"

  38. class HardwareSerial : public Stream

  39. {

  40. public:

  41. 	typedef struct {

  42. 		IRQ_NUMBER_t irq;

  43. 		volatile uint32_t &ccm_register;

  44. 		const uint32_t ccm_value;

  45. 		volatile uint32_t &rx_mux_register;

  46. 		volatile uint32_t &tx_mux_register;

  47. 		const uint8_t rx_mux_val;

  48. 		const uint8_t tx_mux_val;

  49. 	} hardware_t;

  50. public:

  51. 	constexpr HardwareSerial(IMXRT_LPUART_t *myport, const hardware_t *myhardware) :

  52. 		port(myport), hardware(myhardware) {

  53. 	}

  54. 	void begin(uint32_t baud, uint8_t format=0);

  55. 

  56. 	virtual int available(void);

  57. 	virtual int peek(void);

  58. 	virtual void flush(void);

  59. 	virtual size_t write(uint8_t c);

  60. 	virtual int read(void);

  61. 	using Print::write;

  62. 

  63. /*

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

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

  66. 					  serial_begin(BAUD2DIV(baud));

  67. 					  serial_format(format); }

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

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

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

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

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

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

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

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

  76. 	using Print::write;

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

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

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

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

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

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

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

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

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

  86. 					  return len; }

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

  88. */

  89. 	operator bool()			{ return true; }

  90. private:

  91. 	IMXRT_LPUART_t * const port;

  92. 	const hardware_t * const hardware;

  93. };

  94. extern HardwareSerial Serial1;

  95. extern HardwareSerial Serial2;

  96. extern HardwareSerial Serial3;

  97. extern HardwareSerial Serial4;

  98. extern HardwareSerial Serial5;

  99. extern HardwareSerial Serial6;

  100. extern HardwareSerial Serial7;

  101. extern HardwareSerial Serial8;

  102. //extern void serialEvent1(void);

  103. 

  104. 

  105. #endif // __cplusplus

  106. 

  107. 

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

  109. //#define SERIAL_9BIT_SUPPORT

  110. //

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

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

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

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

  115. //

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

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

  118. 

  119. 

  120. #define SERIAL_7E1 0x02

  121. #define SERIAL_7O1 0x03

  122. #define SERIAL_8N1 0x00

  123. #define SERIAL_8E1 0x06

  124. #define SERIAL_8O1 0x07

  125. #define SERIAL_7E1_RXINV 0x12

  126. #define SERIAL_7O1_RXINV 0x13

  127. #define SERIAL_8N1_RXINV 0x10

  128. #define SERIAL_8E1_RXINV 0x16

  129. #define SERIAL_8O1_RXINV 0x17

  130. #define SERIAL_7E1_TXINV 0x22

  131. #define SERIAL_7O1_TXINV 0x23

  132. #define SERIAL_8N1_TXINV 0x20

  133. #define SERIAL_8E1_TXINV 0x26

  134. #define SERIAL_8O1_TXINV 0x27

  135. #define SERIAL_7E1_RXINV_TXINV 0x32

  136. #define SERIAL_7O1_RXINV_TXINV 0x33

  137. #define SERIAL_8N1_RXINV_TXINV 0x30

  138. #define SERIAL_8E1_RXINV_TXINV 0x36

  139. #define SERIAL_8O1_RXINV_TXINV 0x37

  140. #ifdef SERIAL_9BIT_SUPPORT

  141. #define SERIAL_9N1 0x84

  142. #define SERIAL_9E1 0x8E

  143. #define SERIAL_9O1 0x8F

  144. #define SERIAL_9N1_RXINV 0x94

  145. #define SERIAL_9E1_RXINV 0x9E

  146. #define SERIAL_9O1_RXINV 0x9F

  147. #define SERIAL_9N1_TXINV 0xA4

  148. #define SERIAL_9E1_TXINV 0xAE

  149. #define SERIAL_9O1_TXINV 0xAF

  150. #define SERIAL_9N1_RXINV_TXINV 0xB4

  151. #define SERIAL_9E1_RXINV_TXINV 0xBE

  152. #define SERIAL_9O1_RXINV_TXINV 0xBF

  153. #endif

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

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

  156. #define SERIAL_2STOP_BITS 0x100

  157. #define SERIAL_8E2 (SERIAL_8E1 | SERIAL_2STOP_BITS)

  158. #define SERIAL_8O2 (SERIAL_8O1 | SERIAL_2STOP_BITS)

  159. #define SERIAL_8E2_RXINV (SERIAL_8E1_RXINV | SERIAL_2STOP_BITS)

  160. #define SERIAL_8O2_RXINV (SERIAL_8O1_RXINV | SERIAL_2STOP_BITS)

  161. #define SERIAL_8E2_TXINV (SERIAL_8E1_TXINV | SERIAL_2STOP_BITS)

  162. #define SERIAL_8O2_TXINV (SERIAL_8O1_TXINV | SERIAL_2STOP_BITS)

  163. #define SERIAL_8E2_RXINV_TXINV (SERIAL_8E1_RXINV_TXINV | SERIAL_2STOP_BITS)

  164. #define SERIAL_8O2_RXINV_TXINV (SERIAL_8O1_RXINV_TXINV | SERIAL_2STOP_BITS)

  165. #define SERIAL_8N2 (SERIAL_8N1 | SERIAL_2STOP_BITS)

  166. #define SERIAL_8N2_RXINV (SERIAL_8N1_RXINV | SERIAL_2STOP_BITS)

  167. #define SERIAL_8N2_TXINV (SERIAL_8N1_TXINV | SERIAL_2STOP_BITS)

  168. #define SERIAL_8N2_RXINV_TXINV (SERIAL_8N1_RXINV_TXINV | SERIAL_2STOP_BITS)

  169. #else

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

  171. #define SERIAL_8N2 0x04

  172. #define SERIAL_8N2_RXINV 0x14

  173. #define SERIAL_8N2_TXINV 0x24

  174. #define SERIAL_8N2_RXINV_TXINV 0x34

  175. #endif

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

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

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

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

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

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

  182. // bit6: unused

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

  184. 

  185. 

  186. // TODO: replace with proper divisor+oversample calculation

  187. #define BAUD2DIV(baud) (24000000/16/(baud))

  188. 

  189. /*

  190. #if defined(KINETISK)

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

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

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

  194. #elif defined(KINETISL)

  195. 

  196. #if F_CPU <= 2000000

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

  198. #elif F_CPU <= 16000000

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

  200. #else

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

  202. #endif

  203. 

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

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

  206. #endif

  207. */

  208. #if 0

  209. 

  210. // C language implementation

  211. //

  212. #ifdef __cplusplus

  213. extern "C" {

  214. #endif

  215. void serial_begin(uint32_t divisor);

  216. void serial_format(uint32_t format);

  217. void serial_end(void);

  218. void serial_set_transmit_pin(uint8_t pin);

  219. void serial_set_rx(uint8_t pin);

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

  221. int serial_set_rts(uint8_t pin);

  222. int serial_set_cts(uint8_t pin);

  223. void serial_putchar(uint32_t c);

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

  225. void serial_flush(void);

  226. int serial_write_buffer_free(void);

  227. int serial_available(void);

  228. int serial_getchar(void);

  229. int serial_peek(void);

  230. void serial_clear(void);

  231. void serial_print(const char *p);

  232. void serial_phex(uint32_t n);

  233. void serial_phex16(uint32_t n);

  234. void serial_phex32(uint32_t n);

  235. 

  236. void serial2_begin(uint32_t divisor);

  237. void serial2_format(uint32_t format);

  238. void serial2_end(void);

  239. void serial2_set_transmit_pin(uint8_t pin);

  240. void serial2_set_rx(uint8_t pin);

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

  242. int serial2_set_rts(uint8_t pin);

  243. int serial2_set_cts(uint8_t pin);

  244. void serial2_putchar(uint32_t c);

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

  246. void serial2_flush(void);

  247. int serial2_write_buffer_free(void);

  248. int serial2_available(void);

  249. int serial2_getchar(void);

  250. int serial2_peek(void);

  251. void serial2_clear(void);

  252. 

  253. void serial3_begin(uint32_t divisor);

  254. void serial3_format(uint32_t format);

  255. void serial3_end(void);

  256. void serial3_set_transmit_pin(uint8_t pin);

  257. void serial3_set_rx(uint8_t pin);

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

  259. int serial3_set_rts(uint8_t pin);

  260. int serial3_set_cts(uint8_t pin);

  261. void serial3_putchar(uint32_t c);

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

  263. void serial3_flush(void);

  264. int serial3_write_buffer_free(void);

  265. int serial3_available(void);

  266. int serial3_getchar(void);

  267. int serial3_peek(void);

  268. void serial3_clear(void);

  269. 

  270. void serial4_begin(uint32_t divisor);

  271. void serial4_format(uint32_t format);

  272. void serial4_end(void);

  273. void serial4_set_transmit_pin(uint8_t pin);

  274. void serial4_set_rx(uint8_t pin);

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

  276. int serial4_set_rts(uint8_t pin);

  277. int serial4_set_cts(uint8_t pin);

  278. void serial4_putchar(uint32_t c);

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

  280. void serial4_flush(void);

  281. int serial4_write_buffer_free(void);

  282. int serial4_available(void);

  283. int serial4_getchar(void);

  284. int serial4_peek(void);

  285. void serial4_clear(void);

  286. 

  287. void serial5_begin(uint32_t divisor);

  288. void serial5_format(uint32_t format);

  289. void serial5_end(void);

  290. void serial5_set_transmit_pin(uint8_t pin);

  291. void serial5_set_rx(uint8_t pin);

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

  293. int serial5_set_rts(uint8_t pin);

  294. int serial5_set_cts(uint8_t pin);

  295. void serial5_putchar(uint32_t c);

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

  297. void serial5_flush(void);

  298. int serial5_write_buffer_free(void);

  299. int serial5_available(void);

  300. int serial5_getchar(void);

  301. int serial5_peek(void);

  302. void serial5_clear(void);

  303. 

  304. void serial6_begin(uint32_t divisor);

  305. void serial6_format(uint32_t format);

  306. void serial6_end(void);

  307. void serial6_set_transmit_pin(uint8_t pin);

  308. void serial6_set_rx(uint8_t pin);

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

  310. int serial6_set_rts(uint8_t pin);

  311. int serial6_set_cts(uint8_t pin);

  312. void serial6_putchar(uint32_t c);

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

  314. void serial6_flush(void);

  315. int serial6_write_buffer_free(void);

  316. int serial6_available(void);

  317. int serial6_getchar(void);

  318. int serial6_peek(void);

  319. void serial6_clear(void);

  320. 

  321. #ifdef __cplusplus

  322. }

  323. #endif

  324. 

  325. 

  326. // C++ interface

  327. //

  328. #ifdef __cplusplus

  329. #include "Stream.h"

  330. class HardwareSerial : public Stream

  331. {

  332. public:

  333. 	constexpr HardwareSerial() {}

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

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

  336. 					  serial_begin(BAUD2DIV(baud));

  337. 					  serial_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  350. 	using Print::write;

  351. 	virtual size_t write(uint8_t c) { serial_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. 					{ serial_write(buffer, size); return size; }

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

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

  360. 					  return len; }

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

  362. 	operator bool()			{ return true; }

  363. };

  364. extern HardwareSerial Serial1;

  365. extern void serialEvent1(void);

  366. 

  367. class HardwareSerial2 : public HardwareSerial

  368. {

  369. public:

  370. 	constexpr HardwareSerial2() {}

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

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

  373. 					  serial2_begin(BAUD2DIV(baud));

  374. 					  serial2_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  387. 	using Print::write;

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

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

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

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

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

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

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

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

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

  397. 					  return len; }

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

  399. 	operator bool()			{ return true; }

  400. };

  401. extern HardwareSerial2 Serial2;

  402. extern void serialEvent2(void);

  403. 

  404. class HardwareSerial3 : public HardwareSerial

  405. {

  406. public:

  407. 	constexpr HardwareSerial3() {}

  408. 	virtual void begin(uint32_t baud) { serial3_begin(BAUD2DIV(baud)); }

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

  410. 					  serial3_begin(BAUD2DIV(baud));

  411. 					  serial3_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  424. 	using Print::write;

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

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

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

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

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

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

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

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

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

  434. 					  return len; }

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

  436. 	operator bool()			{ return true; }

  437. };

  438. extern HardwareSerial3 Serial3;

  439. extern void serialEvent3(void);

  440. 

  441. class HardwareSerial4 : public HardwareSerial

  442. {

  443. public:

  444. 	constexpr HardwareSerial4() {}

  445. 	virtual void begin(uint32_t baud) { serial4_begin(BAUD2DIV(baud)); }

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

  447. 					  serial4_begin(BAUD2DIV(baud));

  448. 					  serial4_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  461. 	using Print::write;

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

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

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

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

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

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

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

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

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

  471. 					  return len; }

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

  473. 	operator bool()			{ return true; }

  474. };

  475. extern HardwareSerial4 Serial4;

  476. extern void serialEvent4(void);

  477. 

  478. class HardwareSerial5 : public HardwareSerial

  479. {

  480. public:

  481. 	constexpr HardwareSerial5() {}

  482. 	virtual void begin(uint32_t baud) { serial5_begin(BAUD2DIV(baud)); }

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

  484. 					  serial5_begin(BAUD2DIV(baud));

  485. 					  serial5_format(format); }

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

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

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

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

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

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

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

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

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

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

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

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

  498. 	using Print::write;

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

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

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

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

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

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

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

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

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

  508. 					  return len; }

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

  510. 	operator bool()			{ return true; }

  511. };

  512. extern HardwareSerial5 Serial5;

  513. extern void serialEvent5(void);

  514. 

  515. class HardwareSerial6 : public HardwareSerial

  516. {

  517. public:

  518. 	constexpr HardwareSerial6() {}

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

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

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

  522. 					  serial6_begin(baud);

  523. 					  serial6_format(format); }

  524. #else

  525. 	virtual void begin(uint32_t baud) { serial6_begin(BAUD2DIV(baud)); }

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

  527. 					  serial6_begin(BAUD2DIV(baud));

  528. 					  serial6_format(format); }

  529. #endif

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

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

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

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

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

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

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

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

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

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

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

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

  542. 	using Print::write;

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

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

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

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

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

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

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

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

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

  552. 					  return len; }

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

  554. 	operator bool()			{ return true; }

  555. };

  556. extern HardwareSerial6 Serial6;

  557. extern void serialEvent6(void);

  558. 

  559. 

  560. 

  561. #endif

  562. 

  563. #endif

  564. #endif