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authorHampusM <hampus@hampusmat.com>2022-03-07 13:48:57 +0100
committerHampusM <hampus@hampusmat.com>2022-03-07 13:48:57 +0100
commit563f69b870a7f71026c50605b531ed40d667b0a2 (patch)
treef9dd8374cae6affb3b52d79e22823c78187b99ed /cores/arduino/HardwareSerial_private.h
parentf4a2dc0440d17e4c9e609e01e12fcd786d268cf7 (diff)
rename arduino core dir to xinputHEADmaster
Diffstat (limited to 'cores/arduino/HardwareSerial_private.h')
-rw-r--r--cores/arduino/HardwareSerial_private.h123
1 files changed, 0 insertions, 123 deletions
diff --git a/cores/arduino/HardwareSerial_private.h b/cores/arduino/HardwareSerial_private.h
deleted file mode 100644
index 2e23cec..0000000
--- a/cores/arduino/HardwareSerial_private.h
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- HardwareSerial_private.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
-
- Modified 23 November 2006 by David A. Mellis
- Modified 28 September 2010 by Mark Sproul
- Modified 14 August 2012 by Alarus
-*/
-
-#include "wiring_private.h"
-
-// this next line disables the entire HardwareSerial.cpp,
-// this is so I can support Attiny series and any other chip without a uart
-#if defined(HAVE_HWSERIAL0) || defined(HAVE_HWSERIAL1) || defined(HAVE_HWSERIAL2) || defined(HAVE_HWSERIAL3)
-
-// Ensure that the various bit positions we use are available with a 0
-// postfix, so we can always use the values for UART0 for all UARTs. The
-// alternative, passing the various values for each UART to the
-// HardwareSerial constructor also works, but makes the code bigger and
-// slower.
-#if !defined(TXC0)
-#if defined(TXC)
-// Some chips like ATmega8 don't have UPE, only PE. The other bits are
-// named as expected.
-#if !defined(UPE) && defined(PE)
-#define UPE PE
-#endif
-// On ATmega8, the uart and its bits are not numbered, so there is no TXC0 etc.
-#define TXC0 TXC
-#define RXEN0 RXEN
-#define TXEN0 TXEN
-#define RXCIE0 RXCIE
-#define UDRIE0 UDRIE
-#define U2X0 U2X
-#define UPE0 UPE
-#define UDRE0 UDRE
-#elif defined(TXC1)
-// Some devices have uart1 but no uart0
-#define TXC0 TXC1
-#define RXEN0 RXEN1
-#define TXEN0 TXEN1
-#define RXCIE0 RXCIE1
-#define UDRIE0 UDRIE1
-#define U2X0 U2X1
-#define UPE0 UPE1
-#define UDRE0 UDRE1
-#else
-#error No UART found in HardwareSerial.cpp
-#endif
-#endif // !defined TXC0
-
-// Check at compile time that it is really ok to use the bit positions of
-// UART0 for the other UARTs as well, in case these values ever get
-// changed for future hardware.
-#if defined(TXC1) && (TXC1 != TXC0 || RXEN1 != RXEN0 || RXCIE1 != RXCIE0 || \
- UDRIE1 != UDRIE0 || U2X1 != U2X0 || UPE1 != UPE0 || \
- UDRE1 != UDRE0)
-#error "Not all bit positions for UART1 are the same as for UART0"
-#endif
-#if defined(TXC2) && (TXC2 != TXC0 || RXEN2 != RXEN0 || RXCIE2 != RXCIE0 || \
- UDRIE2 != UDRIE0 || U2X2 != U2X0 || UPE2 != UPE0 || \
- UDRE2 != UDRE0)
-#error "Not all bit positions for UART2 are the same as for UART0"
-#endif
-#if defined(TXC3) && (TXC3 != TXC0 || RXEN3 != RXEN0 || RXCIE3 != RXCIE0 || \
- UDRIE3 != UDRIE0 || U3X3 != U3X0 || UPE3 != UPE0 || \
- UDRE3 != UDRE0)
-#error "Not all bit positions for UART3 are the same as for UART0"
-#endif
-
-// Constructors ////////////////////////////////////////////////////////////////
-
-HardwareSerial::HardwareSerial(
- volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
- volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
- volatile uint8_t *ucsrc, volatile uint8_t *udr) :
- _ubrrh(ubrrh), _ubrrl(ubrrl),
- _ucsra(ucsra), _ucsrb(ucsrb), _ucsrc(ucsrc),
- _udr(udr),
- _rx_buffer_head(0), _rx_buffer_tail(0),
- _tx_buffer_head(0), _tx_buffer_tail(0)
-{
-}
-
-// Actual interrupt handlers //////////////////////////////////////////////////////////////
-
-void HardwareSerial::_rx_complete_irq(void)
-{
- if (bit_is_clear(*_ucsra, UPE0)) {
- // No Parity error, read byte and store it in the buffer if there is
- // room
- unsigned char c = *_udr;
- rx_buffer_index_t i = (unsigned int)(_rx_buffer_head + 1) % SERIAL_RX_BUFFER_SIZE;
-
- // if we should be storing the received character into the location
- // just before the tail (meaning that the head would advance to the
- // current location of the tail), we're about to overflow the buffer
- // and so we don't write the character or advance the head.
- if (i != _rx_buffer_tail) {
- _rx_buffer[_rx_buffer_head] = c;
- _rx_buffer_head = i;
- }
- } else {
- // Parity error, read byte but discard it
- *_udr;
- };
-}
-
-#endif // whole file