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HardwareSerial.h
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/*
Copyright (c) 2015 Arduino LLC. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef HardwareSerial_h
#define HardwareSerial_h
#include <inttypes.h>
#include <nrf.h>
#include "Stream.h"
// below configs are not supported by nRF52
// #define SERIAL_5N1
// #define SERIAL_6N1
// #define SERIAL_7N1
// #define SERIAL_5N2
// #define SERIAL_6N2
// #define SERIAL_7N2
// #define SERIAL_5E1
// #define SERIAL_6E1
// #define SERIAL_7E1
// #define SERIAL_5E2
// #define SERIAL_6E2
// #define SERIAL_7E2
// #define SERIAL_5O1
// #define SERIAL_6O1
// #define SERIAL_7O1
// #define SERIAL_8O1
// #define SERIAL_5O2
// #define SERIAL_6O2
// #define SERIAL_7O2
// #define SERIAL_8O2
#ifdef NRF52832_XXAA
#define SERIAL_8N1 (UARTE_CONFIG_PARITY_Excluded << UARTE_CONFIG_PARITY_Pos)
#define SERIAL_8E1 (UARTE_CONFIG_PARITY_Included << UARTE_CONFIG_PARITY_Pos)
#elif defined(NRF52840_XXAA)
#define SERIAL_8N1 ((UARTE_CONFIG_STOP_One << UARTE_CONFIG_STOP_Pos) | (UARTE_CONFIG_PARITY_Excluded << UARTE_CONFIG_PARITY_Pos))
#define SERIAL_8N2 ((UARTE_CONFIG_STOP_Two << UARTE_CONFIG_STOP_Pos) | (UARTE_CONFIG_PARITY_Excluded << UARTE_CONFIG_PARITY_Pos))
#define SERIAL_8E1 ((UARTE_CONFIG_STOP_One << UARTE_CONFIG_STOP_Pos) | (UARTE_CONFIG_PARITY_Included << UARTE_CONFIG_PARITY_Pos))
#define SERIAL_8E2 ((UARTE_CONFIG_STOP_Two << UARTE_CONFIG_STOP_Pos) | (UARTE_CONFIG_PARITY_Included << UARTE_CONFIG_PARITY_Pos))
#else
#error Unsupported MCU
#endif
class HardwareSerial : public Stream
{
public:
virtual void begin(unsigned long);
virtual void begin(unsigned long baudrate, uint16_t config);
virtual void end();
virtual int available(void) = 0;
virtual int peek(void) = 0;
virtual int read(void) = 0;
virtual void flush(void) = 0;
virtual size_t write(uint8_t) = 0;
virtual size_t write(const uint8_t *buffer, size_t size) = 0;
using Print::write; // pull in write(str) from Print
virtual operator bool() = 0;
};
extern void serialEventRun(void) __attribute__((weak));
extern void serialEvent() __attribute__((weak));
#ifndef NRF52832_XXAA // 832 only has 1 UART for Serial
extern void serialEvent1() __attribute__((weak));
extern void serialEvent2() __attribute__((weak));
#endif
#endif