arduino/esp8266
1
0
Fork 0
mirror of https://github.com/esp8266/Arduino.git synced 2025-07-07 06:01:35 +03:00
Code Activity

rewrite HardwareSerial code for UART0 + UART1 support in ESP8266

Browse Source
This commit is contained in:
Markus Sattler
2015-04-01 22:47:13 +02:00
parent 88698ea1c6
commit 1ee7ecdaa2
2 changed files with 655 additions and 401 deletions
Download Patch File Download Diff File Expand all files Collapse all files

126
cores/esp8266/HardwareSerial.h
View File

@ -1,26 +1,27 @@
/*
HardwareSerial.h - Hardware serial library for Wiring
Copyright (c) 2006 Nicholas Zambetti. All right reserved.
HardwareSerial.h - Hardware serial library for Wiring
Copyright (c) 2006 Nicholas Zambetti. 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 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.
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
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
Modified 28 September 2010 by Mark Sproul
Modified 14 August 2012 by Alarus
Modified 3 December 2013 by Matthijs Kooijman
Modified 18 December 2014 by Ivan Grokhotkov (esp8266 platform support)
*/
Modified 28 September 2010 by Mark Sproul
Modified 14 August 2012 by Alarus
Modified 3 December 2013 by Matthijs Kooijman
Modified 18 December 2014 by Ivan Grokhotkov (esp8266 platform support)
Modified 31 March 2015 by Markus Sattler (rewrite the code for UART0 + UART1 support in ESP8266)
*/
#ifndef HardwareSerial_h
#define HardwareSerial_h
@ -59,44 +60,71 @@
// #define SERIAL_8O2 0x3E
class cbuf;
typedef struct uart_ uart_t;
class HardwareSerial : public Stream
{
public:
HardwareSerial();
typedef enum {
UART0 = 0,
UART1 = 1,
UART_NO = 0xFF
} UARTnr_t;
void begin(unsigned long baud) { begin(baud, 0); }
void begin(unsigned long, uint8_t);
void end();
void swap(); //use GPIO13 and GPIO15 as RX and TX
int available(void) override;
int peek(void) override;
int read(void) override;
int availableForWrite(void);
void flush(void) override;
size_t write(uint8_t) override;
inline size_t write(unsigned long n) { return write((uint8_t)n); }
inline size_t write(long n) { return write((uint8_t)n); }
inline size_t write(unsigned int n) { return write((uint8_t)n); }
inline size_t write(int n) { return write((uint8_t)n); }
using Print::write; // pull in write(str) and write(buf, size) from Print
operator bool() const;
typedef struct {
UARTnr_t uart_nr;
int baud_rate;
bool rxEnabled;
bool txEnabled;
uint8_t rxPin;
uint8_t txPin;
} uart_t;
void setDebugOutput(bool);
class HardwareSerial: public Stream {
public:
HardwareSerial(UARTnr_t uart_nr);
protected:
friend void uart0_interrupt_handler(uart_t* uart);
void _rx_complete_irq(char c);
void _tx_empty_irq(void);
void begin(unsigned long baud) {
begin(baud, 0);
}
void begin(unsigned long, uint8_t);
void end();
void swap(); //use GPIO13 and GPIO15 as RX and TX
int available(void) override;
int peek(void) override;
int read(void) override;
int availableForWrite(void);
void flush(void) override;
size_t write(uint8_t) override;
inline size_t write(unsigned long n) {
return write((uint8_t) n);
}
inline size_t write(long n) {
return write((uint8_t) n);
}
inline size_t write(unsigned int n) {
return write((uint8_t) n);
}
inline size_t write(int n) {
return write((uint8_t) n);
}
using Print::write; // pull in write(str) and write(buf, size) from Print
operator bool() const;
protected:
uart_t* _uart;
cbuf* _tx_buffer;
cbuf* _rx_buffer;
bool _written;
void setDebugOutput(bool);
bool isTxEnabled(void);
bool isRxEnabled(void);
protected:
friend void uart_interrupt_handler(uart_t* uart);
void _rx_complete_irq(char c);
void _tx_empty_irq(void);
protected:
UARTnr_t _uart_nr;
uart_t* _uart;
cbuf* _tx_buffer;
cbuf* _rx_buffer;
bool _written;
};
extern HardwareSerial Serial;
extern HardwareSerial Serial1;
#endif