/* Teensyduino Core Library * http://www.pjrc.com/teensy/ * Copyright (c) 2013 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 "kinetis.h" // uncomment to enable 9 bit formats //#define SERIAL_9BIT_SUPPORT #define SERIAL_7E1 0x02 #define SERIAL_7O1 0x03 #define SERIAL_8N1 0x00 #define SERIAL_8N2 0x04 #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_8N2_RXINV 0x14 #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_8N2_TXINV 0x24 #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_8N2_RXINV_TXINV 0x34 #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 // 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 #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 // 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); #ifdef __cplusplus } #endif // C++ interface // #ifdef __cplusplus #include "Stream.h" class HardwareSerial : public Stream { public: 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(); } 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: virtual void begin(uint32_t baud) { serial2_begin(BAUD2DIV2(baud)); } virtual void begin(uint32_t baud, uint32_t format) { serial2_begin(BAUD2DIV2(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(); } 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: virtual void begin(uint32_t baud) { serial3_begin(BAUD2DIV3(baud)); } virtual void begin(uint32_t baud, uint32_t format) { serial3_begin(BAUD2DIV3(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(); } 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); #endif #endif