/* Teensyduino Core Library * http://www.pjrc.com/teensy/ * Copyright (c) 2017 PJRC.COM, LLC. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * 1. The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * 2. If the Software is incorporated into a build system that allows * selection among a list of target devices, then similar target * devices manufactured by PJRC.COM must be included in the list of * target devices and selectable in the same manner. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef HardwareSerial_h #define HardwareSerial_h #include "imxrt.h" #ifdef __cplusplus #include "Stream.h" class HardwareSerial : public Stream { public: typedef struct { IRQ_NUMBER_t irq; volatile uint32_t &ccm_register; const uint32_t ccm_value; volatile uint32_t &rx_mux_register; volatile uint32_t &tx_mux_register; const uint8_t rx_mux_val; const uint8_t tx_mux_val; } hardware_t; public: constexpr HardwareSerial(IMXRT_LPUART_t *myport, const hardware_t *myhardware) : port(myport), hardware(myhardware) { } void begin(uint32_t baud, uint8_t format=0); virtual int available(void); virtual int peek(void); virtual void flush(void); virtual size_t write(uint8_t c); virtual int read(void); using Print::write; /* virtual void begin(uint32_t baud) { serial_begin(BAUD2DIV(baud)); } virtual void begin(uint32_t baud, uint32_t format) { serial_begin(BAUD2DIV(baud)); serial_format(format); } virtual void end(void) { serial_end(); } virtual void transmitterEnable(uint8_t pin) { serial_set_transmit_pin(pin); } virtual void setRX(uint8_t pin) { serial_set_rx(pin); } virtual void setTX(uint8_t pin, bool opendrain=false) { serial_set_tx(pin, opendrain); } virtual bool attachRts(uint8_t pin) { return serial_set_rts(pin); } virtual bool attachCts(uint8_t pin) { return serial_set_cts(pin); } virtual void clear(void) { serial_clear(); } virtual int availableForWrite(void) { return serial_write_buffer_free(); } using Print::write; virtual size_t write(uint8_t c) { serial_putchar(c); return 1; } virtual size_t write(unsigned long n) { return write((uint8_t)n); } virtual size_t write(long n) { return write((uint8_t)n); } virtual size_t write(unsigned int n) { return write((uint8_t)n); } virtual size_t write(int n) { return write((uint8_t)n); } virtual size_t write(const uint8_t *buffer, size_t size) { serial_write(buffer, size); return size; } virtual size_t write(const char *str) { size_t len = strlen(str); serial_write((const uint8_t *)str, len); return len; } virtual size_t write9bit(uint32_t c) { serial_putchar(c); return 1; } */ operator bool() { return true; } private: IMXRT_LPUART_t * const port; const hardware_t * const hardware; }; extern HardwareSerial Serial1; extern HardwareSerial Serial2; extern HardwareSerial Serial3; extern HardwareSerial Serial4; extern HardwareSerial Serial5; extern HardwareSerial Serial6; extern HardwareSerial Serial7; extern HardwareSerial Serial8; //extern void serialEvent1(void); #endif // __cplusplus // Uncomment to enable 9 bit formats. These are default disabled to save memory. //#define SERIAL_9BIT_SUPPORT // // On Windows & Linux, this file is in Arduino's hardware/teensy/avr/cores/teensy3 // folder. The Windows installer puts Arduino in C:\Program Files (x86)\Arduino // On Macintosh, you must control-click Arduino and select "Show Package Contents", then // look in Contents/Java/hardware/teensy/avr/cores/teensy3 to find this file. // // Teensy 3.x boards support 9 bit mode on all their serial ports // Teensy LC only supports 9 bit mode on Serial1. Serial2 & Serial3 can't use 9 bits. #define SERIAL_7E1 0x02 #define SERIAL_7O1 0x03 #define SERIAL_8N1 0x00 #define SERIAL_8E1 0x06 #define SERIAL_8O1 0x07 #define SERIAL_7E1_RXINV 0x12 #define SERIAL_7O1_RXINV 0x13 #define SERIAL_8N1_RXINV 0x10 #define SERIAL_8E1_RXINV 0x16 #define SERIAL_8O1_RXINV 0x17 #define SERIAL_7E1_TXINV 0x22 #define SERIAL_7O1_TXINV 0x23 #define SERIAL_8N1_TXINV 0x20 #define SERIAL_8E1_TXINV 0x26 #define SERIAL_8O1_TXINV 0x27 #define SERIAL_7E1_RXINV_TXINV 0x32 #define SERIAL_7O1_RXINV_TXINV 0x33 #define SERIAL_8N1_RXINV_TXINV 0x30 #define SERIAL_8E1_RXINV_TXINV 0x36 #define SERIAL_8O1_RXINV_TXINV 0x37 #ifdef SERIAL_9BIT_SUPPORT #define SERIAL_9N1 0x84 #define SERIAL_9E1 0x8E #define SERIAL_9O1 0x8F #define SERIAL_9N1_RXINV 0x94 #define SERIAL_9E1_RXINV 0x9E #define SERIAL_9O1_RXINV 0x9F #define SERIAL_9N1_TXINV 0xA4 #define SERIAL_9E1_TXINV 0xAE #define SERIAL_9O1_TXINV 0xAF #define SERIAL_9N1_RXINV_TXINV 0xB4 #define SERIAL_9E1_RXINV_TXINV 0xBE #define SERIAL_9O1_RXINV_TXINV 0xBF #endif // Teensy LC and 3.5 and 3.6 Uarts have 1/2 bit stop setting #if defined(__MK64FX512__) || defined(__MK66FX1M0__) || defined(KINETISL) #define SERIAL_2STOP_BITS 0x100 #define SERIAL_8E2 (SERIAL_8E1 | SERIAL_2STOP_BITS) #define SERIAL_8O2 (SERIAL_8O1 | SERIAL_2STOP_BITS) #define SERIAL_8E2_RXINV (SERIAL_8E1_RXINV | SERIAL_2STOP_BITS) #define SERIAL_8O2_RXINV (SERIAL_8O1_RXINV | SERIAL_2STOP_BITS) #define SERIAL_8E2_TXINV (SERIAL_8E1_TXINV | SERIAL_2STOP_BITS) #define SERIAL_8O2_TXINV (SERIAL_8O1_TXINV | SERIAL_2STOP_BITS) #define SERIAL_8E2_RXINV_TXINV (SERIAL_8E1_RXINV_TXINV | SERIAL_2STOP_BITS) #define SERIAL_8O2_RXINV_TXINV (SERIAL_8O1_RXINV_TXINV | SERIAL_2STOP_BITS) #define SERIAL_8N2 (SERIAL_8N1 | SERIAL_2STOP_BITS) #define SERIAL_8N2_RXINV (SERIAL_8N1_RXINV | SERIAL_2STOP_BITS) #define SERIAL_8N2_TXINV (SERIAL_8N1_TXINV | SERIAL_2STOP_BITS) #define SERIAL_8N2_RXINV_TXINV (SERIAL_8N1_RXINV_TXINV | SERIAL_2STOP_BITS) #else // for Teensy 3.0-3.2 we can fake 2 stop bits by using 9 bit mode #define SERIAL_8N2 0x04 #define SERIAL_8N2_RXINV 0x14 #define SERIAL_8N2_TXINV 0x24 #define SERIAL_8N2_RXINV_TXINV 0x34 #endif // bit0: parity, 0=even, 1=odd // bit1: parity, 0=disable, 1=enable // bit2: mode, 1=9bit, 0=8bit // bit3: mode10: 1=10bit, 0=8bit // bit4: rxinv, 0=normal, 1=inverted // bit5: txinv, 0=normal, 1=inverted // bit6: unused // bit7: actual data goes into 9th bit // TODO: replace with proper divisor+oversample calculation #define BAUD2DIV(baud) (24000000/16/(baud)) /* #if defined(KINETISK) #define BAUD2DIV(baud) (((F_CPU * 2) + ((baud) >> 1)) / (baud)) #define BAUD2DIV2(baud) (((F_CPU * 2) + ((baud) >> 1)) / (baud)) #define BAUD2DIV3(baud) (((F_BUS * 2) + ((baud) >> 1)) / (baud)) #elif defined(KINETISL) #if F_CPU <= 2000000 #define BAUD2DIV(baud) (((F_PLL / 16 ) + ((baud) >> 1)) / (baud)) #elif F_CPU <= 16000000 #define BAUD2DIV(baud) (((F_PLL / (F_PLL / 1000000)) + ((baud) >> 1)) / (baud)) #else #define BAUD2DIV(baud) (((F_PLL / 2 / 16) + ((baud) >> 1)) / (baud)) #endif #define BAUD2DIV2(baud) (((F_BUS / 16) + ((baud) >> 1)) / (baud)) #define BAUD2DIV3(baud) (((F_BUS / 16) + ((baud) >> 1)) / (baud)) #endif */ #if 0 // C language implementation // #ifdef __cplusplus extern "C" { #endif void serial_begin(uint32_t divisor); void serial_format(uint32_t format); void serial_end(void); void serial_set_transmit_pin(uint8_t pin); void serial_set_rx(uint8_t pin); void serial_set_tx(uint8_t pin, uint8_t opendrain); int serial_set_rts(uint8_t pin); int serial_set_cts(uint8_t pin); void serial_putchar(uint32_t c); void serial_write(const void *buf, unsigned int count); void serial_flush(void); int serial_write_buffer_free(void); int serial_available(void); int serial_getchar(void); int serial_peek(void); void serial_clear(void); void serial_print(const char *p); void serial_phex(uint32_t n); void serial_phex16(uint32_t n); void serial_phex32(uint32_t n); void serial2_begin(uint32_t divisor); void serial2_format(uint32_t format); void serial2_end(void); void serial2_set_transmit_pin(uint8_t pin); void serial2_set_rx(uint8_t pin); void serial2_set_tx(uint8_t pin, uint8_t opendrain); int serial2_set_rts(uint8_t pin); int serial2_set_cts(uint8_t pin); void serial2_putchar(uint32_t c); void serial2_write(const void *buf, unsigned int count); void serial2_flush(void); int serial2_write_buffer_free(void); int serial2_available(void); int serial2_getchar(void); int serial2_peek(void); void serial2_clear(void); void serial3_begin(uint32_t divisor); void serial3_format(uint32_t format); void serial3_end(void); void serial3_set_transmit_pin(uint8_t pin); void serial3_set_rx(uint8_t pin); void serial3_set_tx(uint8_t pin, uint8_t opendrain); int serial3_set_rts(uint8_t pin); int serial3_set_cts(uint8_t pin); void serial3_putchar(uint32_t c); void serial3_write(const void *buf, unsigned int count); void serial3_flush(void); int serial3_write_buffer_free(void); int serial3_available(void); int serial3_getchar(void); int serial3_peek(void); void serial3_clear(void); void serial4_begin(uint32_t divisor); void serial4_format(uint32_t format); void serial4_end(void); void serial4_set_transmit_pin(uint8_t pin); void serial4_set_rx(uint8_t pin); void serial4_set_tx(uint8_t pin, uint8_t opendrain); int serial4_set_rts(uint8_t pin); int serial4_set_cts(uint8_t pin); void serial4_putchar(uint32_t c); void serial4_write(const void *buf, unsigned int count); void serial4_flush(void); int serial4_write_buffer_free(void); int serial4_available(void); int serial4_getchar(void); int serial4_peek(void); void serial4_clear(void); void serial5_begin(uint32_t divisor); void serial5_format(uint32_t format); void serial5_end(void); void serial5_set_transmit_pin(uint8_t pin); void serial5_set_rx(uint8_t pin); void serial5_set_tx(uint8_t pin, uint8_t opendrain); int serial5_set_rts(uint8_t pin); int serial5_set_cts(uint8_t pin); void serial5_putchar(uint32_t c); void serial5_write(const void *buf, unsigned int count); void serial5_flush(void); int serial5_write_buffer_free(void); int serial5_available(void); int serial5_getchar(void); int serial5_peek(void); void serial5_clear(void); void serial6_begin(uint32_t divisor); void serial6_format(uint32_t format); void serial6_end(void); void serial6_set_transmit_pin(uint8_t pin); void serial6_set_rx(uint8_t pin); void serial6_set_tx(uint8_t pin, uint8_t opendrain); int serial6_set_rts(uint8_t pin); int serial6_set_cts(uint8_t pin); void serial6_putchar(uint32_t c); void serial6_write(const void *buf, unsigned int count); void serial6_flush(void); int serial6_write_buffer_free(void); int serial6_available(void); int serial6_getchar(void); int serial6_peek(void); void serial6_clear(void); #ifdef __cplusplus } #endif // C++ interface // #ifdef __cplusplus #include "Stream.h" class HardwareSerial : public Stream { public: constexpr HardwareSerial() {} virtual void begin(uint32_t baud) { serial_begin(BAUD2DIV(baud)); } virtual void begin(uint32_t baud, uint32_t format) { serial_begin(BAUD2DIV(baud)); serial_format(format); } virtual void end(void) { serial_end(); } virtual void transmitterEnable(uint8_t pin) { serial_set_transmit_pin(pin); } virtual void setRX(uint8_t pin) { serial_set_rx(pin); } virtual void setTX(uint8_t pin, bool opendrain=false) { serial_set_tx(pin, opendrain); } virtual bool attachRts(uint8_t pin) { return serial_set_rts(pin); } virtual bool attachCts(uint8_t pin) { return serial_set_cts(pin); } virtual int available(void) { return serial_available(); } virtual int peek(void) { return serial_peek(); } virtual int read(void) { return serial_getchar(); } virtual void flush(void) { serial_flush(); } virtual void clear(void) { serial_clear(); } virtual int availableForWrite(void) { return serial_write_buffer_free(); } using Print::write; virtual size_t write(uint8_t c) { serial_putchar(c); return 1; } virtual size_t write(unsigned long n) { return write((uint8_t)n); } virtual size_t write(long n) { return write((uint8_t)n); } virtual size_t write(unsigned int n) { return write((uint8_t)n); } virtual size_t write(int n) { return write((uint8_t)n); } virtual size_t write(const uint8_t *buffer, size_t size) { serial_write(buffer, size); return size; } virtual size_t write(const char *str) { size_t len = strlen(str); serial_write((const uint8_t *)str, len); return len; } virtual size_t write9bit(uint32_t c) { serial_putchar(c); return 1; } operator bool() { return true; } }; extern HardwareSerial Serial1; extern void serialEvent1(void); class HardwareSerial2 : public HardwareSerial { public: constexpr HardwareSerial2() {} virtual void begin(uint32_t baud) { serial2_begin(BAUD2DIV(baud)); } virtual void begin(uint32_t baud, uint32_t format) { serial2_begin(BAUD2DIV(baud)); serial2_format(format); } virtual void end(void) { serial2_end(); } virtual void transmitterEnable(uint8_t pin) { serial2_set_transmit_pin(pin); } virtual void setRX(uint8_t pin) { serial2_set_rx(pin); } virtual void setTX(uint8_t pin, bool opendrain=false) { serial2_set_tx(pin, opendrain); } virtual bool attachRts(uint8_t pin) { return serial2_set_rts(pin); } virtual bool attachCts(uint8_t pin) { return serial2_set_cts(pin); } virtual int available(void) { return serial2_available(); } virtual int peek(void) { return serial2_peek(); } virtual int read(void) { return serial2_getchar(); } virtual void flush(void) { serial2_flush(); } virtual void clear(void) { serial2_clear(); } virtual int availableForWrite(void) { return serial2_write_buffer_free(); } using Print::write; virtual size_t write(uint8_t c) { serial2_putchar(c); return 1; } virtual size_t write(unsigned long n) { return write((uint8_t)n); } virtual size_t write(long n) { return write((uint8_t)n); } virtual size_t write(unsigned int n) { return write((uint8_t)n); } virtual size_t write(int n) { return write((uint8_t)n); } virtual size_t write(const uint8_t *buffer, size_t size) { serial2_write(buffer, size); return size; } virtual size_t write(const char *str) { size_t len = strlen(str); serial2_write((const uint8_t *)str, len); return len; } virtual size_t write9bit(uint32_t c) { serial2_putchar(c); return 1; } operator bool() { return true; } }; extern HardwareSerial2 Serial2; extern void serialEvent2(void); class HardwareSerial3 : public HardwareSerial { public: constexpr HardwareSerial3() {} virtual void begin(uint32_t baud) { serial3_begin(BAUD2DIV(baud)); } virtual void begin(uint32_t baud, uint32_t format) { serial3_begin(BAUD2DIV(baud)); serial3_format(format); } virtual void end(void) { serial3_end(); } virtual void transmitterEnable(uint8_t pin) { serial3_set_transmit_pin(pin); } virtual void setRX(uint8_t pin) { serial3_set_rx(pin); } virtual void setTX(uint8_t pin, bool opendrain=false) { serial3_set_tx(pin, opendrain); } virtual bool attachRts(uint8_t pin) { return serial3_set_rts(pin); } virtual bool attachCts(uint8_t pin) { return serial3_set_cts(pin); } virtual int available(void) { return serial3_available(); } virtual int peek(void) { return serial3_peek(); } virtual int read(void) { return serial3_getchar(); } virtual void flush(void) { serial3_flush(); } virtual void clear(void) { serial3_clear(); } virtual int availableForWrite(void) { return serial3_write_buffer_free(); } using Print::write; virtual size_t write(uint8_t c) { serial3_putchar(c); return 1; } virtual size_t write(unsigned long n) { return write((uint8_t)n); } virtual size_t write(long n) { return write((uint8_t)n); } virtual size_t write(unsigned int n) { return write((uint8_t)n); } virtual size_t write(int n) { return write((uint8_t)n); } virtual size_t write(const uint8_t *buffer, size_t size) { serial3_write(buffer, size); return size; } virtual size_t write(const char *str) { size_t len = strlen(str); serial3_write((const uint8_t *)str, len); return len; } virtual size_t write9bit(uint32_t c) { serial3_putchar(c); return 1; } operator bool() { return true; } }; extern HardwareSerial3 Serial3; extern void serialEvent3(void); class HardwareSerial4 : public HardwareSerial { public: constexpr HardwareSerial4() {} virtual void begin(uint32_t baud) { serial4_begin(BAUD2DIV(baud)); } virtual void begin(uint32_t baud, uint32_t format) { serial4_begin(BAUD2DIV(baud)); serial4_format(format); } virtual void end(void) { serial4_end(); } virtual void transmitterEnable(uint8_t pin) { serial4_set_transmit_pin(pin); } virtual void setRX(uint8_t pin) { serial4_set_rx(pin); } virtual void setTX(uint8_t pin, bool opendrain=false) { serial4_set_tx(pin, opendrain); } virtual bool attachRts(uint8_t pin) { return serial4_set_rts(pin); } virtual bool attachCts(uint8_t pin) { return serial4_set_cts(pin); } virtual int available(void) { return serial4_available(); } virtual int peek(void) { return serial4_peek(); } virtual int read(void) { return serial4_getchar(); } virtual void flush(void) { serial4_flush(); } virtual void clear(void) { serial4_clear(); } virtual int availableForWrite(void) { return serial4_write_buffer_free(); } using Print::write; virtual size_t write(uint8_t c) { serial4_putchar(c); return 1; } virtual size_t write(unsigned long n) { return write((uint8_t)n); } virtual size_t write(long n) { return write((uint8_t)n); } virtual size_t write(unsigned int n) { return write((uint8_t)n); } virtual size_t write(int n) { return write((uint8_t)n); } virtual size_t write(const uint8_t *buffer, size_t size) { serial4_write(buffer, size); return size; } virtual size_t write(const char *str) { size_t len = strlen(str); serial4_write((const uint8_t *)str, len); return len; } virtual size_t write9bit(uint32_t c) { serial4_putchar(c); return 1; } operator bool() { return true; } }; extern HardwareSerial4 Serial4; extern void serialEvent4(void); class HardwareSerial5 : public HardwareSerial { public: constexpr HardwareSerial5() {} virtual void begin(uint32_t baud) { serial5_begin(BAUD2DIV(baud)); } virtual void begin(uint32_t baud, uint32_t format) { serial5_begin(BAUD2DIV(baud)); serial5_format(format); } virtual void end(void) { serial5_end(); } virtual void transmitterEnable(uint8_t pin) { serial5_set_transmit_pin(pin); } virtual void setRX(uint8_t pin) { serial5_set_rx(pin); } virtual void setTX(uint8_t pin, bool opendrain=false) { serial5_set_tx(pin, opendrain); } virtual bool attachRts(uint8_t pin) { return serial5_set_rts(pin); } virtual bool attachCts(uint8_t pin) { return serial5_set_cts(pin); } virtual int available(void) { return serial5_available(); } virtual int peek(void) { return serial5_peek(); } virtual int read(void) { return serial5_getchar(); } virtual void flush(void) { serial5_flush(); } virtual void clear(void) { serial5_clear(); } virtual int availableForWrite(void) { return serial5_write_buffer_free(); } using Print::write; virtual size_t write(uint8_t c) { serial5_putchar(c); return 1; } virtual size_t write(unsigned long n) { return write((uint8_t)n); } virtual size_t write(long n) { return write((uint8_t)n); } virtual size_t write(unsigned int n) { return write((uint8_t)n); } virtual size_t write(int n) { return write((uint8_t)n); } virtual size_t write(const uint8_t *buffer, size_t size) { serial5_write(buffer, size); return size; } virtual size_t write(const char *str) { size_t len = strlen(str); serial5_write((const uint8_t *)str, len); return len; } virtual size_t write9bit(uint32_t c) { serial5_putchar(c); return 1; } operator bool() { return true; } }; extern HardwareSerial5 Serial5; extern void serialEvent5(void); class HardwareSerial6 : public HardwareSerial { public: constexpr HardwareSerial6() {} #if defined(__MK66FX1M0__) // For LPUART just pass baud straight in. virtual void begin(uint32_t baud) { serial6_begin(baud); } virtual void begin(uint32_t baud, uint32_t format) { serial6_begin(baud); serial6_format(format); } #else virtual void begin(uint32_t baud) { serial6_begin(BAUD2DIV(baud)); } virtual void begin(uint32_t baud, uint32_t format) { serial6_begin(BAUD2DIV(baud)); serial6_format(format); } #endif virtual void end(void) { serial6_end(); } virtual void transmitterEnable(uint8_t pin) { serial6_set_transmit_pin(pin); } virtual void setRX(uint8_t pin) { serial6_set_rx(pin); } virtual void setTX(uint8_t pin, bool opendrain=false) { serial6_set_tx(pin, opendrain); } virtual bool attachRts(uint8_t pin) { return serial6_set_rts(pin); } virtual bool attachCts(uint8_t pin) { return serial6_set_cts(pin); } virtual int available(void) { return serial6_available(); } virtual int peek(void) { return serial6_peek(); } virtual int read(void) { return serial6_getchar(); } virtual void flush(void) { serial6_flush(); } virtual void clear(void) { serial6_clear(); } virtual int availableForWrite(void) { return serial6_write_buffer_free(); } using Print::write; virtual size_t write(uint8_t c) { serial6_putchar(c); return 1; } virtual size_t write(unsigned long n) { return write((uint8_t)n); } virtual size_t write(long n) { return write((uint8_t)n); } virtual size_t write(unsigned int n) { return write((uint8_t)n); } virtual size_t write(int n) { return write((uint8_t)n); } virtual size_t write(const uint8_t *buffer, size_t size) { serial6_write(buffer, size); return size; } virtual size_t write(const char *str) { size_t len = strlen(str); serial6_write((const uint8_t *)str, len); return len; } virtual size_t write9bit(uint32_t c) { serial6_putchar(c); return 1; } operator bool() { return true; } }; extern HardwareSerial6 Serial6; extern void serialEvent6(void); #endif #endif #endif