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Adding new C++ Serial lib from Nick/Wiring, but modified to use avrlib's uart.c and uart.h as low-level functions.

This commit is contained in:
David A. Mellis 2006-03-23 14:16:00 +00:00
parent 25c9111c9c
commit c6d860ef00
5 changed files with 311 additions and 0 deletions

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/*
HarwareSerial.cpp - 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 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
*/
extern "C" {
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "Serial.h"
}
#include "HardwareSerial.h"
// Constructors ////////////////////////////////////////////////////////////////
HardwareSerial::HardwareSerial(uint8_t uart)
{
if(uart == 0){
_uart = 0;
}else{
_uart = 1;
}
}
// Public Methods //////////////////////////////////////////////////////////////
void HardwareSerial::begin(long speed)
{
uart_init(_uart, speed);
}
uint8_t HardwareSerial::available(void)
{
return uart_available(_uart);
}
int HardwareSerial::read(void)
{
return uart_read(_uart);
}
void HardwareSerial::print(char c)
{
uart_write(_uart, &c, 1);
}
void HardwareSerial::print(char c[])
{
uart_write(_uart, c, strlen(c));
}
void HardwareSerial::print(uint8_t b)
{
char c = b;
uart_write(_uart, &c, 1);
}
void HardwareSerial::print(int n)
{
print((long) n);
}
void HardwareSerial::print(long n)
{
if (n < 0) {
print('-');
n = -n;
}
printNumber(n, 10);
}
void HardwareSerial::print(unsigned long n)
{
printNumber(n, 10);
}
void HardwareSerial::print(long n, int base)
{
if (base == 0)
print((char) n);
else if (base == 10)
print(n);
else
printNumber(n, base);
}
void HardwareSerial::println(void)
{
print('\n');
}
void HardwareSerial::println(char c)
{
print(c);
println();
}
void HardwareSerial::println(char c[])
{
uart_write(_uart, c, strlen(c));
println();
}
void HardwareSerial::println(uint8_t b)
{
print(b);
println();
}
void HardwareSerial::println(int n)
{
println((long) n);
}
void HardwareSerial::println(long n)
{
print(n);
println();
}
void HardwareSerial::println(unsigned long n)
{
print(n);
println();
}
void HardwareSerial::println(long n, int base)
{
print(n, base);
println();
}
// Private Methods /////////////////////////////////////////////////////////////
void HardwareSerial::printNumber(unsigned long n, uint8_t base)
{
uint8_t buf[8 * sizeof(long)]; // Assumes 8-bit chars.
int i = 0;
if (n == 0) {
print('0');
return;
}
while (n > 0) {
buf[i++] = n % base;
n /= base;
}
for (i--; i >= 0; i--){
print((char)(buf[i] < 10 ? '0' + buf[i] : 'A' + buf[i] - 10));
}
}
// Preinstantiate Objects //////////////////////////////////////////////////////
HardwareSerial Serial = HardwareSerial(0);
//HardwareSerial Serial1 = HardwareSerial(1);

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/*
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 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>
#define DEC 10
#define HEX 16
#define OCT 8
#define BIN 2
#define BYTE 0
class HardwareSerial
{
private:
uint8_t _uart;
void printNumber(unsigned long, uint8_t);
public:
HardwareSerial(uint8_t);
void begin(long);
uint8_t available(void);
int read(void);
void print(char);
void print(char[]);
void print(uint8_t);
void print(int);
void print(long);
void print(unsigned long);
void print(long, int);
void println(void);
void println(char);
void println(char[]);
void println(uint8_t);
void println(int);
void println(long);
void println(unsigned long);
void println(long, int);
};
extern HardwareSerial Serial;
//extern HardwareSerial Serial1;
#endif

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targets/arduino/Serial.c Normal file
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/*
Serial.c - Serial library for Wiring
Based on Hernando Barragan's original C implementation
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 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
*/
#include "Serial.h"
#include "uart.h"
void uart_init(uint8_t uart, long baudrate)
{
uartInit();
uartSetBaudRate(baudrate);
}
int uart_read(uint8_t uart)
{
return uartGetByte();
}
uint8_t uart_available(uint8_t uart)
{
return uartGetRxBuffer()->datalength;
}
void uart_write(uint8_t uart, char *buf, uint8_t len)
{
int i;
for (i = 0; i < len; i++)
uartSendByte(buf[i]);
}

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targets/arduino/Serial.h Executable file
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/*
Serial.h - Serial library for Wiring
Based on Hernando Barragan's original C implementation
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 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 Serial_h
#define Serial_h
#include <inttypes.h>
void uart_init(uint8_t, long);
int uart_read(uint8_t);
uint8_t uart_available(uint8_t);
void uart_write(uint8_t, char*, uint8_t);
#endif

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#include <avr/io.h>
#include "wiring.h"
#include "HardwareSerial.h"
#include <avr/interrupt.h>
#include <avr/signal.h>