228 lines
8.2 KiB
C
228 lines
8.2 KiB
C
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/* Teensyduino Core Library
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* http://www.pjrc.com/teensy/
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* Copyright (c) 2013 PJRC.COM, LLC.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* 1. The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* 2. If the Software is incorporated into a build system that allows
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* selection among a list of target devices, then similar target
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* devices manufactured by PJRC.COM must be included in the list of
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* target devices and selectable in the same manner.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef HardwareSerial_h
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#define HardwareSerial_h
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#include "mk20dx128.h"
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#include <inttypes.h>
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// uncomment to enable 9 bit formats
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//#define SERIAL_9BIT_SUPPORT
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#define SERIAL_7E1 0x02
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#define SERIAL_7O1 0x03
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#define SERIAL_8N1 0x00
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#define SERIAL_8N2 0x04
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#define SERIAL_8E1 0x06
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#define SERIAL_8O1 0x07
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#define SERIAL_7E1_RXINV 0x12
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#define SERIAL_7O1_RXINV 0x13
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#define SERIAL_8N1_RXINV 0x10
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#define SERIAL_8N2_RXINV 0x14
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#define SERIAL_8E1_RXINV 0x16
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#define SERIAL_8O1_RXINV 0x17
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#define SERIAL_7E1_TXINV 0x22
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#define SERIAL_7O1_TXINV 0x23
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#define SERIAL_8N1_TXINV 0x20
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#define SERIAL_8N2_TXINV 0x24
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#define SERIAL_8E1_TXINV 0x26
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#define SERIAL_8O1_TXINV 0x27
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#define SERIAL_7E1_RXINV_TXINV 0x32
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#define SERIAL_7O1_RXINV_TXINV 0x33
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#define SERIAL_8N1_RXINV_TXINV 0x30
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#define SERIAL_8N2_RXINV_TXINV 0x34
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#define SERIAL_8E1_RXINV_TXINV 0x36
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#define SERIAL_8O1_RXINV_TXINV 0x37
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#ifdef SERIAL_9BIT_SUPPORT
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#define SERIAL_9N1 0x84
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#define SERIAL_9E1 0x8E
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#define SERIAL_9O1 0x8F
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#define SERIAL_9N1_RXINV 0x94
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#define SERIAL_9E1_RXINV 0x9E
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#define SERIAL_9O1_RXINV 0x9F
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#define SERIAL_9N1_TXINV 0xA4
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#define SERIAL_9E1_TXINV 0xAE
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#define SERIAL_9O1_TXINV 0xAF
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#define SERIAL_9N1_RXINV_TXINV 0xB4
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#define SERIAL_9E1_RXINV_TXINV 0xBE
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#define SERIAL_9O1_RXINV_TXINV 0xBF
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#endif
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// bit0: parity, 0=even, 1=odd
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// bit1: parity, 0=disable, 1=enable
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// bit2: mode, 1=9bit, 0=8bit
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// bit3: mode10: 1=10bit, 0=8bit
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// bit4: rxinv, 0=normal, 1=inverted
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// bit5: txinv, 0=normal, 1=inverted
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// bit6: unused
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// bit7: actual data goes into 9th bit
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#define BAUD2DIV(baud) (((F_CPU * 2) + ((baud) >> 1)) / (baud))
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#define BAUD2DIV3(baud) (((F_BUS * 2) + ((baud) >> 1)) / (baud))
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// C language implementation
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//
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#ifdef __cplusplus
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extern "C" {
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#endif
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void serial_begin(uint32_t divisor);
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void serial_format(uint32_t format);
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void serial_end(void);
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void serial_set_transmit_pin(uint8_t pin);
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void serial_putchar(uint32_t c);
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void serial_write(const void *buf, unsigned int count);
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void serial_flush(void);
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int serial_available(void);
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int serial_getchar(void);
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int serial_peek(void);
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void serial_clear(void);
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void serial_print(const char *p);
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void serial_phex(uint32_t n);
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void serial_phex16(uint32_t n);
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void serial_phex32(uint32_t n);
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void serial2_begin(uint32_t divisor);
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void serial2_format(uint32_t format);
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void serial2_end(void);
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void serial2_putchar(uint32_t c);
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void serial2_write(const void *buf, unsigned int count);
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void serial2_flush(void);
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int serial2_available(void);
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int serial2_getchar(void);
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int serial2_peek(void);
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void serial2_clear(void);
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void serial3_begin(uint32_t divisor);
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void serial3_format(uint32_t format);
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void serial3_end(void);
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void serial3_putchar(uint32_t c);
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void serial3_write(const void *buf, unsigned int count);
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void serial3_flush(void);
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int serial3_available(void);
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int serial3_getchar(void);
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int serial3_peek(void);
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void serial3_clear(void);
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#ifdef __cplusplus
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}
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#endif
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// C++ interface
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//
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#ifdef __cplusplus
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#include "Stream.h"
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class HardwareSerial : public Stream
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{
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public:
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virtual void begin(uint32_t baud) { serial_begin(BAUD2DIV(baud)); }
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virtual void begin(uint32_t baud, uint32_t format) {
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serial_begin(BAUD2DIV(baud));
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serial_format(format); }
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virtual void end(void) { serial_end(); }
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virtual void transmitterEnable(uint8_t pin) { serial_set_transmit_pin(pin); }
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virtual int available(void) { return serial_available(); }
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virtual int peek(void) { return serial_peek(); }
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virtual int read(void) { return serial_getchar(); }
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virtual void flush(void) { serial_flush(); }
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virtual void clear(void) { serial_clear(); }
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virtual size_t write(uint8_t c) { serial_putchar(c); return 1; }
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virtual size_t write(unsigned long n) { return write((uint8_t)n); }
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virtual size_t write(long n) { return write((uint8_t)n); }
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virtual size_t write(unsigned int n) { return write((uint8_t)n); }
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virtual size_t write(int n) { return write((uint8_t)n); }
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virtual size_t write(const uint8_t *buffer, size_t size)
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{ serial_write(buffer, size); return size; }
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virtual size_t write(const char *str) { size_t len = strlen(str);
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serial_write((const uint8_t *)str, len);
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return len; }
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virtual size_t write9bit(uint32_t c) { serial_putchar(c); return 1; }
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};
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extern HardwareSerial Serial1;
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class HardwareSerial2 : public HardwareSerial
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{
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public:
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virtual void begin(uint32_t baud) { serial2_begin(BAUD2DIV(baud)); }
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virtual void begin(uint32_t baud, uint32_t format) {
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serial2_begin(BAUD2DIV(baud));
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serial2_format(format); }
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virtual void end(void) { serial2_end(); }
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virtual int available(void) { return serial2_available(); }
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virtual int peek(void) { return serial2_peek(); }
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virtual int read(void) { return serial2_getchar(); }
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virtual void flush(void) { serial2_flush(); }
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virtual void clear(void) { serial2_clear(); }
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virtual size_t write(uint8_t c) { serial2_putchar(c); return 1; }
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virtual size_t write(unsigned long n) { return write((uint8_t)n); }
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virtual size_t write(long n) { return write((uint8_t)n); }
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virtual size_t write(unsigned int n) { return write((uint8_t)n); }
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virtual size_t write(int n) { return write((uint8_t)n); }
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virtual size_t write(const uint8_t *buffer, size_t size)
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{ serial2_write(buffer, size); return size; }
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virtual size_t write(const char *str) { size_t len = strlen(str);
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serial2_write((const uint8_t *)str, len);
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return len; }
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virtual size_t write9bit(uint32_t c) { serial2_putchar(c); return 1; }
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};
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extern HardwareSerial2 Serial2;
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class HardwareSerial3 : public HardwareSerial
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{
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public:
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virtual void begin(uint32_t baud) { serial3_begin(BAUD2DIV3(baud)); }
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virtual void begin(uint32_t baud, uint32_t format) {
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serial3_begin(BAUD2DIV3(baud));
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serial3_format(format); }
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virtual void end(void) { serial3_end(); }
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virtual int available(void) { return serial3_available(); }
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virtual int peek(void) { return serial3_peek(); }
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virtual int read(void) { return serial3_getchar(); }
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virtual void flush(void) { serial3_flush(); }
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virtual void clear(void) { serial3_clear(); }
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virtual size_t write(uint8_t c) { serial3_putchar(c); return 1; }
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virtual size_t write(unsigned long n) { return write((uint8_t)n); }
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virtual size_t write(long n) { return write((uint8_t)n); }
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virtual size_t write(unsigned int n) { return write((uint8_t)n); }
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virtual size_t write(int n) { return write((uint8_t)n); }
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virtual size_t write(const uint8_t *buffer, size_t size)
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{ serial3_write(buffer, size); return size; }
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virtual size_t write(const char *str) { size_t len = strlen(str);
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serial3_write((const uint8_t *)str, len);
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return len; }
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virtual size_t write9bit(uint32_t c) { serial3_putchar(c); return 1; }
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};
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extern HardwareSerial3 Serial3;
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#endif
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#endif
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