Add skeleton of AVR32 init
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2975 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
2c85634c39
commit
497c4187d2
@ -1,7 +1,7 @@
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/****************************************************************************
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/****************************************************************************
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* arch/arm/src/stm32/stm32_serial.c
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* arch/arm/src/stm32/stm32_serial.c
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*
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*
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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* Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* Redistribution and use in source and binary forms, with or without
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@ -340,7 +340,7 @@ static inline uint32_t up_serialin(struct up_dev_s *priv, int offset)
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static inline void up_serialout(struct up_dev_s *priv, int offset, uint32_t value)
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static inline void up_serialout(struct up_dev_s *priv, int offset, uint32_t value)
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{
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{
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putreg16(value, priv->usartbase + offset);
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putreg32(value, priv->usartbase + offset);
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}
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}
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/****************************************************************************
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/****************************************************************************
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@ -50,7 +50,7 @@ CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \
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# Required AT91UC3 files
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# Required AT91UC3 files
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CHIP_ASRCS =
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CHIP_ASRCS =
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CHIP_CSRCS =
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CHIP_CSRCS = at91uc3_lowinit.c at91uc3_serial.c
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# Configuration-dependent AT91UC3 files
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# Configuration-dependent AT91UC3 files
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125
arch/avr/src/at91uc3/at91uc3_config.h
Executable file
125
arch/avr/src/at91uc3/at91uc3_config.h
Executable file
@ -0,0 +1,125 @@
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/************************************************************************************
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* arch/avr/src/at91uc3/at91uc3_config.h
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_AVR_SRC_AT91UC3_AT91UC3_CONFIG_H
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#define __ARCH_AVR_SRC_AT91UC3_AT91UC3_CONFIG_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include "chip.h"
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* USART can be configured as a number of different devices (Only UART is supported
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* here now, that will be extended). Check for consistency between USART enable
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* options.
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*/
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#if AVR32_NUSART < 1
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# undef CONFIG_AVR32_USART0
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# undef CONFIG_AVR32_USART1
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# undef CONFIG_AVR32_USART2
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#endif
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#if AVR32_NUSART < 2
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# undef CONFIG_AVR32_USART1
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# undef CONFIG_AVR32_USART2
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#endif
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#if AVR32_NUSART < 3
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# undef CONFIG_AVR32_USART2
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#endif
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#ifndef CONFIG_AVR32_USART0
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# undef CONFIG_AVR32_USART0_RS232
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# undef CONFIG_AVR32_USART0_SPI
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#endif
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#ifndef CONFIG_AVR32_USART1
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# undef CONFIG_AVR32_USART1_RS232
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# undef CONFIG_AVR32_USART1_SPI
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#endif
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#ifndef CONFIG_AVR32_USART2
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# undef CONFIG_AVR32_USART2_RS232
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# undef CONFIG_AVR32_USART2_SPI
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#endif
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/* Is any UART configured? */
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#if defined(CONFIG_AVR32_USART0_RS232) || \
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defined(CONFIG_AVR32_USART1_RS232) || \
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defined(CONFIG_AVR32_USART2_RS232)
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# define HAVE_RS232_DEVICE
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#else
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# undef HAVE_RS232_DEVICE
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#endif
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/* Is there a serial console? */
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#if defined(CONFIG_USART0_SERIAL_CONSOLE) && defined(CONFIG_AVR32_USART0_RS232)
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# define HAVE_SERIAL_CONSOLE 1
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#elif defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_AVR32_USART10_RS232)
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# undef CONFIG_USART0_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# define HAVE_SERIAL_CONSOLE 1
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#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_AVR32_USART20_RS232)
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# undef CONFIG_USART0_SERIAL_CONSOLE
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# define HAVE_SERIAL_CONSOLE 1
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#else
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# undef CONFIG_USART0_SERIAL_CONSOLE
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# undef CONFIG_USART1_SERIAL_CONSOLE
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# undef CONFIG_USART2_SERIAL_CONSOLE
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# undef HAVE_SERIAL_CONSOLE
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#endif
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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#endif /* __ARCH_AVR_SRC_AT91UC3_AT91UC3_CONFIG_H */
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@ -58,5 +58,26 @@
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* Public Functions
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* Public Functions
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************************************************************************************/
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************************************************************************************/
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/************************************************************************************
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* Name: at91uc3_clkinit
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*
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* Description:
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* Initialiaze clock/PLL settings per the definitions in the board.h file.
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*
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************************************************************************************/
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extern void at91uc3_clkinitialize(void);
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/************************************************************************************
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* Name: at91uc3_boardinit
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*
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* Description:
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* This function must be provided by the board-specific logic in the directory
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* configs/<board-name>/up_boot.c.
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*
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************************************************************************************/
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extern void at91uc3_boardinitialize(void);
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#endif /* __ARCH_AVR_SRC_AVR32_AT91UC3_INTERNAL_H */
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#endif /* __ARCH_AVR_SRC_AVR32_AT91UC3_INTERNAL_H */
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102
arch/avr/src/at91uc3/at91uc3_lowinit.c
Normal file
102
arch/avr/src/at91uc3/at91uc3_lowinit.c
Normal file
@ -0,0 +1,102 @@
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/**************************************************************************
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* arch/avr/src/at91uc3/at91uc3_lowinit.c
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************/
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/**************************************************************************
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* Included Files
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**************************************************************************/
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#include <nuttx/config.h>
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#include "at91uc3_config.h"
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#include "up_internal.h"
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#include "at91uc3_internal.h"
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/**************************************************************************
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* Private Definitions
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**************************************************************************/
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/**************************************************************************
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* Private Types
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**************************************************************************/
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/**************************************************************************
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* Private Function Prototypes
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**************************************************************************/
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/**************************************************************************
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* Global Variables
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**************************************************************************/
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/**************************************************************************
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* Private Variables
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**************************************************************************/
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/**************************************************************************
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* Private Functions
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**************************************************************************/
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/**************************************************************************
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* Public Functions
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**************************************************************************/
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/**************************************************************************
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* Name: up_lowinit
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*
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* Description:
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* This performs basic initialization of the USART used for the serial
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* console. Its purpose is to get the console output availabe as soon
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* as possible.
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*
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**************************************************************************/
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void up_lowinit(void)
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{
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/* Initialize MCU clocking */
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at91uc3_clkinitialize();
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/* Perform early serial initialization (so that we will have debug output
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* available as soon as possible.
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*/
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up_earlyserialinit();
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/* Perform board-level initialization */
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at91uc3_boardinitialize();
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}
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921
arch/avr/src/at91uc3/at91uc3_serial.c
Normal file
921
arch/avr/src/at91uc3/at91uc3_serial.c
Normal file
@ -0,0 +1,921 @@
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/****************************************************************************
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* arch/arm/src/stm32/avr32_serial.c
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*
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
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*
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|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in
|
||||||
|
* the documentation and/or other materials provided with the
|
||||||
|
* distribution.
|
||||||
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
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|
* used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||||
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||||
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||||
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||||
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||||
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||||
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||||
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||||
|
* POSSIBILITY OF SUCH DAMAGE.
|
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|
*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <semaphore.h>
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#include <string.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/irq.h>
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#include <nuttx/arch.h>
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#include <nuttx/serial.h>
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#include <arch/board/board.h>
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#include "at91uc3_config.h"
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#include "chip.h"
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#include "at91uc3_usart.h"
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#include "up_arch.h"
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#include "up_internal.h"
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#include "os_internal.h"
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* Some sanity checks *******************************************************/
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/* Is there a USART enabled? */
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#ifndef HAVE_RS232_DEVICE
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# error "No USARTs enabled as RS232 devices"
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#endif
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/* If we are not using the serial driver for the console, then we still must
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* provide some minimal implementation of up_putc.
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*/
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#ifdef CONFIG_USE_SERIALDRIVER
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/* Which USART with be tty0/console and which tty1? */
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#if defined(CONFIG_USART0_SERIAL_CONSOLE)
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# define CONSOLE_DEV g_usart0port /* USART0 is console */
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# define TTYS0_DEV g_usart0port /* USART0 is ttyS0 */
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# ifdef CONFIG_AVR32_USART1_RS232
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# define TTYS1_DEV g_usart1port /* USART1 is ttyS1 */
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# ifdef CONFIG_AVR32_USART2_RS232
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# define TTYS2_DEV g_usart2port /* USART2 is ttyS2 */
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# else
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# undef TTYS2_DEV /* No ttyS2 */
|
||||||
|
# endif
|
||||||
|
# else
|
||||||
|
# ifdef CONFIG_AVR32_USART2_RS232
|
||||||
|
# define TTYS1_DEV g_usart2port /* USART2 is ttyS1 */
|
||||||
|
# else
|
||||||
|
# undef TTYS1_DEV /* No ttyS1 */
|
||||||
|
# endif
|
||||||
|
# undef TTYS2_DEV /* No ttyS2 */
|
||||||
|
# endif
|
||||||
|
#elif defined(CONFIG_USART1_SERIAL_CONSOLE)
|
||||||
|
# define CONSOLE_DEV g_usart1port /* USART1 is console */
|
||||||
|
# define TTYS0_DEV g_usart1port /* USART1 is ttyS0 */
|
||||||
|
# ifdef CONFIG_AVR32_USART0_RS232
|
||||||
|
# define TTYS1_DEV g_usart0port /* USART0 is ttyS1 */
|
||||||
|
# ifdef CONFIG_AVR32_USART2_RS232
|
||||||
|
# define TTYS2_DEV g_usart2port /* USART2 is ttyS2 */
|
||||||
|
# else
|
||||||
|
# undef TTYS2_DEV /* No ttyS2 */
|
||||||
|
# endif
|
||||||
|
# else
|
||||||
|
# ifdef CONFIG_AVR32_USART2_RS232
|
||||||
|
# define TTYS1_DEV g_usart2port /* USART2 is ttyS1 */
|
||||||
|
# else
|
||||||
|
# undef TTYS1_DEV /* No ttyS1 */
|
||||||
|
# endif
|
||||||
|
# undef TTYS2_DEV /* No ttyS2 */
|
||||||
|
# endif
|
||||||
|
#elif defined(CONFIG_USART2_SERIAL_CONSOLE)
|
||||||
|
# define CONSOLE_DEV g_usart2port /* USART2 is console */
|
||||||
|
# define TTYS0_DEV g_usart2port /* USART2 is ttyS0 */
|
||||||
|
# ifdef CONFIG_AVR32_USART0_RS232
|
||||||
|
# define TTYS1_DEV g_usart0port /* USART0 is ttyS1 */
|
||||||
|
# ifdef CONFIG_AVR32_USART1_RS232
|
||||||
|
# define TTYS2_DEV g_usart1port /* USART1 is ttyS2 */
|
||||||
|
# else
|
||||||
|
# undef TTYS2_DEV /* No ttyS2 */
|
||||||
|
# endif
|
||||||
|
# else
|
||||||
|
# ifdef CONFIG_AVR32_USART1_RS232
|
||||||
|
# define TTYS1_DEV g_usart1port /* USART1 is ttyS1 */
|
||||||
|
# else
|
||||||
|
# undef TTYS1_DEV /* No ttyS1 */
|
||||||
|
# endif
|
||||||
|
# undef TTYS2_DEV /* No ttyS2 */
|
||||||
|
# endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Types
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
struct up_dev_s
|
||||||
|
{
|
||||||
|
uint32_t usartbase; /* Base address of USART registers */
|
||||||
|
uint32_t baud; /* Configured baud */
|
||||||
|
uint32_t ie; /* Saved interrupt mask bits value */
|
||||||
|
uint32_t sr; /* Saved status bits */
|
||||||
|
uint8_t irq; /* IRQ associated with this USART */
|
||||||
|
uint8_t parity; /* 0=none, 1=odd, 2=even */
|
||||||
|
uint8_t bits; /* Number of bits (7 or 8) */
|
||||||
|
bool stopbits2; /* true: Configure with 2 stop bits instead of 1 */
|
||||||
|
};
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Function Prototypes
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static int up_setup(struct uart_dev_s *dev);
|
||||||
|
static void up_shutdown(struct uart_dev_s *dev);
|
||||||
|
static int up_attach(struct uart_dev_s *dev);
|
||||||
|
static void up_detach(struct uart_dev_s *dev);
|
||||||
|
static int up_interrupt(int irq, void *context);
|
||||||
|
static int up_ioctl(struct file *filep, int cmd, unsigned long arg);
|
||||||
|
static int up_receive(struct uart_dev_s *dev, uint32_t *status);
|
||||||
|
static void up_rxint(struct uart_dev_s *dev, bool enable);
|
||||||
|
static bool up_rxavailable(struct uart_dev_s *dev);
|
||||||
|
static void up_send(struct uart_dev_s *dev, int ch);
|
||||||
|
static void up_txint(struct uart_dev_s *dev, bool enable);
|
||||||
|
static bool up_txready(struct uart_dev_s *dev);
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Variables
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
struct uart_ops_s g_uart_ops =
|
||||||
|
{
|
||||||
|
.setup = up_setup,
|
||||||
|
.shutdown = up_shutdown,
|
||||||
|
.attach = up_attach,
|
||||||
|
.detach = up_detach,
|
||||||
|
.ioctl = up_ioctl,
|
||||||
|
.receive = up_receive,
|
||||||
|
.rxint = up_rxint,
|
||||||
|
.rxavailable = up_rxavailable,
|
||||||
|
.send = up_send,
|
||||||
|
.txint = up_txint,
|
||||||
|
.txready = up_txready,
|
||||||
|
.txempty = up_txready,
|
||||||
|
};
|
||||||
|
|
||||||
|
/* I/O buffers */
|
||||||
|
|
||||||
|
#ifdef CONFIG_AVR32_USART0_RS232
|
||||||
|
static char g_usart0rxbuffer[CONFIG_USART0_RXBUFSIZE];
|
||||||
|
static char g_usart0txbuffer[CONFIG_USART0_TXBUFSIZE];
|
||||||
|
#endif
|
||||||
|
#ifdef CONFIG_AVR32_USART1_RS232
|
||||||
|
static char g_usart1rxbuffer[CONFIG_USART1_RXBUFSIZE];
|
||||||
|
static char g_usart1txbuffer[CONFIG_USART1_TXBUFSIZE];
|
||||||
|
#endif
|
||||||
|
#ifdef CONFIG_AVR32_USART2_RS232
|
||||||
|
static char g_usart2rxbuffer[CONFIG_USART2_RXBUFSIZE];
|
||||||
|
static char g_usart2txbuffer[CONFIG_USART2_TXBUFSIZE];
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* This describes the state of the AVR32 USART0 ports. */
|
||||||
|
|
||||||
|
#ifdef CONFIG_AVR32_USART0_RS232
|
||||||
|
static struct up_dev_s g_usart0priv =
|
||||||
|
{
|
||||||
|
.usartbase = AVR32_USART0_BASE,
|
||||||
|
.baud = CONFIG_USART0_BAUD,
|
||||||
|
.irq = AVR32_IRQ_USART0,
|
||||||
|
.parity = CONFIG_USART0_PARITY,
|
||||||
|
.bits = CONFIG_USART0_BITS,
|
||||||
|
.stopbits2 = CONFIG_USART0_2STOP,
|
||||||
|
};
|
||||||
|
|
||||||
|
static uart_dev_t g_usart0port =
|
||||||
|
{
|
||||||
|
.recv =
|
||||||
|
{
|
||||||
|
.size = CONFIG_USART0_RXBUFSIZE,
|
||||||
|
.buffer = g_usart0rxbuffer,
|
||||||
|
},
|
||||||
|
.xmit =
|
||||||
|
{
|
||||||
|
.size = CONFIG_USART0_TXBUFSIZE,
|
||||||
|
.buffer = g_usart0txbuffer,
|
||||||
|
},
|
||||||
|
.ops = &g_uart_ops,
|
||||||
|
.priv = &g_usart0priv,
|
||||||
|
};
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* This describes the state of the AVR32 USART1 port. */
|
||||||
|
|
||||||
|
#ifdef CONFIG_AVR32_USART1_RS232
|
||||||
|
static struct up_dev_s g_usart1priv =
|
||||||
|
{
|
||||||
|
.usartbase = AVR32_USART1_BASE,
|
||||||
|
.baud = CONFIG_USART1_BAUD,
|
||||||
|
.irq = AVR32_IRQ_USART1,
|
||||||
|
.parity = CONFIG_USART1_PARITY,
|
||||||
|
.bits = CONFIG_USART1_BITS,
|
||||||
|
.stopbits2 = CONFIG_USART1_2STOP,
|
||||||
|
};
|
||||||
|
|
||||||
|
static uart_dev_t g_usart1port =
|
||||||
|
{
|
||||||
|
.recv =
|
||||||
|
{
|
||||||
|
.size = CONFIG_USART1_RXBUFSIZE,
|
||||||
|
.buffer = g_usart1rxbuffer,
|
||||||
|
},
|
||||||
|
.xmit =
|
||||||
|
{
|
||||||
|
.size = CONFIG_USART1_TXBUFSIZE,
|
||||||
|
.buffer = g_usart1txbuffer,
|
||||||
|
},
|
||||||
|
.ops = &g_uart_ops,
|
||||||
|
.priv = &g_usart1priv,
|
||||||
|
};
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* This describes the state of the AVR32 USART2 port. */
|
||||||
|
|
||||||
|
#ifdef CONFIG_AVR32_USART2_RS232
|
||||||
|
static struct up_dev_s g_usart2priv =
|
||||||
|
{
|
||||||
|
.usartbase = AVR32_USART2_BASE,
|
||||||
|
.baud = CONFIG_USART2_BAUD,
|
||||||
|
.irq = AVR32_IRQ_USART2,
|
||||||
|
.parity = CONFIG_USART2_PARITY,
|
||||||
|
.bits = CONFIG_USART2_BITS,
|
||||||
|
.stopbits2 = CONFIG_USART2_2STOP,
|
||||||
|
};
|
||||||
|
|
||||||
|
static uart_dev_t g_usart2port =
|
||||||
|
{
|
||||||
|
.recv =
|
||||||
|
{
|
||||||
|
.size = CONFIG_USART2_RXBUFSIZE,
|
||||||
|
.buffer = g_usart2rxbuffer,
|
||||||
|
},
|
||||||
|
.xmit =
|
||||||
|
{
|
||||||
|
.size = CONFIG_USART2_TXBUFSIZE,
|
||||||
|
.buffer = g_usart2txbuffer,
|
||||||
|
},
|
||||||
|
.ops = &g_uart_ops,
|
||||||
|
.priv = &g_usart2priv,
|
||||||
|
};
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_serialin
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static inline uint32_t up_serialin(struct up_dev_s *priv, int offset)
|
||||||
|
{
|
||||||
|
return getreg32(priv->usartbase + offset);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_serialout
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static inline void up_serialout(struct up_dev_s *priv, int offset, uint32_t value)
|
||||||
|
{
|
||||||
|
putreg32(value, priv->usartbase + offset);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_restoreusartint
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static void up_restoreusartint(struct up_dev_s *priv, uint32_t ie)
|
||||||
|
{
|
||||||
|
uint32_t cr;
|
||||||
|
|
||||||
|
/* Save the interrupt mask */
|
||||||
|
|
||||||
|
priv->ie = ie;
|
||||||
|
|
||||||
|
/* And restore the interrupt state (see the interrupt enable/usage table above) */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_disableusartint
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static inline void up_disableusartint(struct up_dev_s *priv, uint16_t *ie)
|
||||||
|
{
|
||||||
|
if (ie)
|
||||||
|
{
|
||||||
|
#warning "Not Implemented"
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Disable all interrupts */
|
||||||
|
|
||||||
|
up_restoreusartint(priv, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_setup
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Configure the USART baud, bits, parity, etc. This method is called the
|
||||||
|
* first time that the serial port is opened.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static int up_setup(struct uart_dev_s *dev)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
#ifdef CONFIG_SUPPRESS_UART_CONFIG
|
||||||
|
uint32_t regval;
|
||||||
|
|
||||||
|
/* Configure STOP bits */
|
||||||
|
|
||||||
|
regval = uUSART_MR_MODE_NORMAL;
|
||||||
|
if (priv->stopbits2)
|
||||||
|
{
|
||||||
|
regval |= USART_MR_NBSTOP_2;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
regval |= USART_MR_NBSTOP_1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Configure parity */
|
||||||
|
|
||||||
|
switch (priv->parity)
|
||||||
|
{
|
||||||
|
case 0:
|
||||||
|
default:
|
||||||
|
regval |= USART_MR_PAR_NONE;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 1:
|
||||||
|
regval |= USART_MR_PAR_ODD;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
regval |= USART_MR_PAR_EVEN;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Configure the number of bits per word */
|
||||||
|
|
||||||
|
switch (priv->bits)
|
||||||
|
{
|
||||||
|
case 5:
|
||||||
|
regval |= USART_MR_CHRL_5BITS;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 6:
|
||||||
|
regval |= USART_MR_CHRL_6BITS;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 7:
|
||||||
|
regval |= USART_MR_CHRL_7BITS;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 8:
|
||||||
|
default:
|
||||||
|
regval |= USART_MR_CHRL_8BITS;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 9:
|
||||||
|
regval |= USART_MR_MODE9;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
regval = up_serialout(priv, AVR32_USART_MR_OFFSET, regval);
|
||||||
|
|
||||||
|
|
||||||
|
/* Enable interrupts at the UART */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
/* priv->ie = */
|
||||||
|
|
||||||
|
/* Configure hardware flow control -- Not yet supported */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
|
||||||
|
/* Configure the USART Baud Rate */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
|
||||||
|
/* Enable Rx, Tx, and the USART */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_shutdown
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Disable the USART. This method is called when the serial
|
||||||
|
* port is closed
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static void up_shutdown(struct uart_dev_s *dev)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
uint32_t regval;
|
||||||
|
|
||||||
|
/* Disable all interrupts */
|
||||||
|
|
||||||
|
up_disableusartint(priv, NULL);
|
||||||
|
|
||||||
|
/* Disable Rx, Tx, and the UART */
|
||||||
|
|
||||||
|
#warning "Not Implemented"
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_attach
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Configure the USART to operation in interrupt driven mode. This method is
|
||||||
|
* called when the serial port is opened. Normally, this is just after the
|
||||||
|
* the setup() method is called, however, the serial console may operate in
|
||||||
|
* a non-interrupt driven mode during the boot phase.
|
||||||
|
*
|
||||||
|
* RX and TX interrupts are not enabled when by the attach method (unless the
|
||||||
|
* hardware supports multiple levels of interrupt enabling). The RX and TX
|
||||||
|
* interrupts are not enabled until the txint() and rxint() methods are called.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static int up_attach(struct uart_dev_s *dev)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
/* Attach and enable the IRQ */
|
||||||
|
|
||||||
|
ret = irq_attach(priv->irq, up_interrupt);
|
||||||
|
if (ret == OK)
|
||||||
|
{
|
||||||
|
/* Enable the interrupt (RX and TX interrupts are still disabled
|
||||||
|
* in the USART
|
||||||
|
*/
|
||||||
|
|
||||||
|
up_enable_irq(priv->irq);
|
||||||
|
}
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_detach
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Detach USART interrupts. This method is called when the serial port is
|
||||||
|
* closed normally just before the shutdown method is called. The exception
|
||||||
|
* is the serial console which is never shutdown.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static void up_detach(struct uart_dev_s *dev)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
up_disable_irq(priv->irq);
|
||||||
|
irq_detach(priv->irq);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_interrupt
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* This is the USART interrupt handler. It will be invoked when an
|
||||||
|
* interrupt received on the 'irq' It should call uart_transmitchars or
|
||||||
|
* uart_receivechar to perform the appropriate data transfers. The
|
||||||
|
* interrupt handling logic must be able to map the 'irq' number into the
|
||||||
|
* approprite uart_dev_s structure in order to call these functions.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static int up_interrupt(int irq, void *context)
|
||||||
|
{
|
||||||
|
struct uart_dev_s *dev = NULL;
|
||||||
|
struct up_dev_s *priv;
|
||||||
|
int passes;
|
||||||
|
bool handled;
|
||||||
|
|
||||||
|
#ifdef CONFIG_AVR32_USART0_RS232
|
||||||
|
if (g_usart0priv.irq == irq)
|
||||||
|
{
|
||||||
|
dev = &g_usart0port;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
#endif
|
||||||
|
#ifdef CONFIG_AVR32_USART1_RS232
|
||||||
|
if (g_usart1priv.irq == irq)
|
||||||
|
{
|
||||||
|
dev = &g_usart1port;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
#endif
|
||||||
|
#ifdef CONFIG_AVR32_USART2_RS232
|
||||||
|
if (g_usart2priv.irq == irq)
|
||||||
|
{
|
||||||
|
dev = &g_usart2port;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
#endif
|
||||||
|
{
|
||||||
|
PANIC(OSERR_INTERNAL);
|
||||||
|
}
|
||||||
|
priv = (struct up_dev_s*)dev->priv;
|
||||||
|
|
||||||
|
/* Loop until there are no characters to be transferred or,
|
||||||
|
* until we have been looping for a long time.
|
||||||
|
*/
|
||||||
|
|
||||||
|
handled = true;
|
||||||
|
for (passes = 0; passes < 256 && handled; passes++)
|
||||||
|
{
|
||||||
|
handled = false;
|
||||||
|
|
||||||
|
/* Get the masked USART status and clear the pending interrupts. */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
|
||||||
|
/* Handle incoming, receive bytes (with or without timeout) */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
if (false)
|
||||||
|
{
|
||||||
|
/* Received data ready... process incoming bytes */
|
||||||
|
|
||||||
|
uart_recvchars(dev);
|
||||||
|
handled = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Handle outgoing, transmit bytes */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
if (false)
|
||||||
|
{
|
||||||
|
/* Transmit data regiser empty ... process outgoing bytes */
|
||||||
|
|
||||||
|
uart_xmitchars(dev);
|
||||||
|
handled = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_ioctl
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* All ioctl calls will be routed through this method
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
|
||||||
|
{
|
||||||
|
struct inode *inode = filep->f_inode;
|
||||||
|
struct uart_dev_s *dev = inode->i_private;
|
||||||
|
#ifdef CONFIG_USART_BREAKS
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
#endif
|
||||||
|
int ret = OK;
|
||||||
|
|
||||||
|
switch (cmd)
|
||||||
|
{
|
||||||
|
case TIOCSERGSTRUCT:
|
||||||
|
{
|
||||||
|
struct up_dev_s *user = (struct up_dev_s*)arg;
|
||||||
|
if (!user)
|
||||||
|
{
|
||||||
|
ret = -EINVAL;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
memcpy(user, dev, sizeof(struct up_dev_s));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
ret = -ENOTTY;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_receive
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Called (usually) from the interrupt level to receive one
|
||||||
|
* character from the USART. Error bits associated with the
|
||||||
|
* receipt are provided in the return 'status'.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static int up_receive(struct uart_dev_s *dev, uint32_t *status)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
uint32_t dr;
|
||||||
|
|
||||||
|
/* Get the Rx byte */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
|
||||||
|
/* Get the Rx byte plux error information. Return those in status */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
priv->sr = 0;
|
||||||
|
|
||||||
|
/* Then return the actual received byte */
|
||||||
|
|
||||||
|
return dr & 0xff;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_rxint
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Call to enable or disable RX interrupts
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static void up_rxint(struct uart_dev_s *dev, bool enable)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
uint32_t ie;
|
||||||
|
|
||||||
|
ie = priv->ie;
|
||||||
|
if (enable)
|
||||||
|
{
|
||||||
|
/* Receive an interrupt when their is anything in the Rx data register (or an Rx
|
||||||
|
* timeout occurs).
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef CONFIG_SUPPRESS_SERIAL_INTS
|
||||||
|
#ifdef CONFIG_USART_ERRINTS
|
||||||
|
#warning "Not Implemented"
|
||||||
|
#else
|
||||||
|
#warning "Not Implemented"
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
#warning "Not Implemented"
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Then set the new interrupt state */
|
||||||
|
|
||||||
|
up_restoreusartint(priv, ie);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_rxavailable
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Return true if the receive register is not empty
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static bool up_rxavailable(struct uart_dev_s *dev)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
#warning "Not Implemented"
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_send
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* This method will send one byte on the USART
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static void up_send(struct uart_dev_s *dev, int ch)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
#warning "Not Implemented"
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_txint
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Call to enable or disable TX interrupts
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static void up_txint(struct uart_dev_s *dev, bool enable)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
irqstate_t flags;
|
||||||
|
|
||||||
|
flags = irqsave();
|
||||||
|
if (enable)
|
||||||
|
{
|
||||||
|
/* Set to receive an interrupt when the TX data register is empty */
|
||||||
|
|
||||||
|
#ifndef CONFIG_SUPPRESS_SERIAL_INTS
|
||||||
|
#warning "Not Implemented"
|
||||||
|
|
||||||
|
/* Fake a TX interrupt here by just calling uart_xmitchars() with
|
||||||
|
* interrupts disabled (note this may recurse).
|
||||||
|
*/
|
||||||
|
|
||||||
|
uart_xmitchars(dev);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* Disable the TX interrupt */
|
||||||
|
|
||||||
|
#warning "Not Implemented"
|
||||||
|
}
|
||||||
|
irqrestore(flags);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_txready
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Return true if the tranmsit data register is empty
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static bool up_txready(struct uart_dev_s *dev)
|
||||||
|
{
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
|
||||||
|
#warning "Not Implemented"
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_earlyserialinit
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Performs the low level USART initialization early in debug so that the
|
||||||
|
* serial console will be available during bootup. This must be called
|
||||||
|
* before up_serialinit.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void up_earlyserialinit(void)
|
||||||
|
{
|
||||||
|
/* Disable all USARTS */
|
||||||
|
|
||||||
|
up_disableusartint(TTYS0_DEV.priv, NULL);
|
||||||
|
#ifdef TTYS1_DEV
|
||||||
|
up_disableusartint(TTYS1_DEV.priv, NULL);
|
||||||
|
#endif
|
||||||
|
#ifdef TTYS2_DEV
|
||||||
|
up_disableusartint(TTYS2_DEV.priv, NULL);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Configuration whichever one is the console */
|
||||||
|
|
||||||
|
#ifdef HAVE_SERIAL_CONSOLE
|
||||||
|
CONSOLE_DEV.isconsole = true;
|
||||||
|
up_setup(&CONSOLE_DEV);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_serialinit
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Register serial console and serial ports. This assumes
|
||||||
|
* that up_earlyserialinit was called previously.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void up_serialinit(void)
|
||||||
|
{
|
||||||
|
/* Register the console */
|
||||||
|
|
||||||
|
#ifdef HAVE_SERIAL_CONSOLE
|
||||||
|
(void)uart_register("/dev/console", &CONSOLE_DEV);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Register all USARTs */
|
||||||
|
|
||||||
|
(void)uart_register("/dev/ttyS0", &TTYS0_DEV);
|
||||||
|
#ifdef TTYS1_DEV
|
||||||
|
(void)uart_register("/dev/ttyS1", &TTYS1_DEV);
|
||||||
|
#endif
|
||||||
|
#ifdef TTYS2_DEV
|
||||||
|
(void)uart_register("/dev/ttyS2", &TTYS2_DEV);
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_putc
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Provide priority, low-level access to support OS debug writes
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
int up_putc(int ch)
|
||||||
|
{
|
||||||
|
#ifdef HAVE_SERIAL_CONSOLE
|
||||||
|
struct up_dev_s *priv = (struct up_dev_s*)CONSOLE_DEV.priv;
|
||||||
|
uint16_t ie;
|
||||||
|
|
||||||
|
up_disableusartint(priv, &ie);
|
||||||
|
|
||||||
|
/* Check for LF */
|
||||||
|
|
||||||
|
if (ch == '\n')
|
||||||
|
{
|
||||||
|
/* Add CR */
|
||||||
|
|
||||||
|
up_lowputc('\r');
|
||||||
|
}
|
||||||
|
|
||||||
|
up_lowputc(ch);
|
||||||
|
up_restoreusartint(priv, ie);
|
||||||
|
#endif
|
||||||
|
return ch;
|
||||||
|
}
|
||||||
|
|
||||||
|
#else /* CONFIG_USE_SERIALDRIVER */
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: up_putc
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Provide priority, low-level access to support OS debug writes
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
int up_putc(int ch)
|
||||||
|
{
|
||||||
|
#ifdef HAVE_SERIAL_CONSOLE
|
||||||
|
/* Check for LF */
|
||||||
|
|
||||||
|
if (ch == '\n')
|
||||||
|
{
|
||||||
|
/* Add CR */
|
||||||
|
|
||||||
|
up_lowputc('\r');
|
||||||
|
}
|
||||||
|
|
||||||
|
up_lowputc(ch);
|
||||||
|
#endif
|
||||||
|
return ch;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* CONFIG_USE_SERIALDRIVER */
|
||||||
|
|
||||||
|
/**************************************************************************
|
||||||
|
* Name: up_lowputc
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Output one byte on the serial console
|
||||||
|
*
|
||||||
|
**************************************************************************/
|
||||||
|
|
||||||
|
void up_lowputc(char ch)
|
||||||
|
{
|
||||||
|
#ifdef HAVE_SERIAL_CONSOLE
|
||||||
|
/* Wait until the TX data register is empty */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
|
||||||
|
/* Then send the character */
|
||||||
|
#warning "Not Implemented"
|
||||||
|
#endif
|
||||||
|
}
|
||||||
@ -55,7 +55,6 @@
|
|||||||
.global _eronly /* Start of .data section in FLASH */
|
.global _eronly /* Start of .data section in FLASH */
|
||||||
#endif
|
#endif
|
||||||
.global up_lowinit /* Perform low level initialization */
|
.global up_lowinit /* Perform low level initialization */
|
||||||
.global up_boardinit /* Low-level board initialization */
|
|
||||||
.global os_start /* NuttX entry point */
|
.global os_start /* NuttX entry point */
|
||||||
.global vectors /* Vector base address */
|
.global vectors /* Vector base address */
|
||||||
|
|
||||||
@ -63,20 +62,6 @@
|
|||||||
* Macros
|
* Macros
|
||||||
****************************************************************************/
|
****************************************************************************/
|
||||||
|
|
||||||
#ifdef CONFIG_DEBUG
|
|
||||||
.macro showprogress, code
|
|
||||||
.endm
|
|
||||||
.macro doputc, code
|
|
||||||
mov r12, \code
|
|
||||||
mcall up_putc
|
|
||||||
.endm
|
|
||||||
#else
|
|
||||||
.macro showprogress, code
|
|
||||||
.endm
|
|
||||||
.macro doputc, code
|
|
||||||
.endm
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/****************************************************************************
|
/****************************************************************************
|
||||||
* OS Entry Point
|
* OS Entry Point
|
||||||
****************************************************************************/
|
****************************************************************************/
|
||||||
@ -105,7 +90,6 @@ __start:
|
|||||||
/* Enable exception processing */
|
/* Enable exception processing */
|
||||||
|
|
||||||
csrf AVR32_SR_EM_SHIFT
|
csrf AVR32_SR_EM_SHIFT
|
||||||
showprogress 'A'
|
|
||||||
|
|
||||||
/* Clear system BSS section */
|
/* Clear system BSS section */
|
||||||
|
|
||||||
@ -119,8 +103,6 @@ __start:
|
|||||||
cp r0, r1 /* Finished? */
|
cp r0, r1 /* Finished? */
|
||||||
brlo 1b /* No... keep looping */
|
brlo 1b /* No... keep looping */
|
||||||
|
|
||||||
showprogress 'B'
|
|
||||||
|
|
||||||
/* Copy system .data sections to new home in RAM. */
|
/* Copy system .data sections to new home in RAM. */
|
||||||
|
|
||||||
#ifdef CONFIG_BOOT_RUNFROMFLASH
|
#ifdef CONFIG_BOOT_RUNFROMFLASH
|
||||||
@ -136,7 +118,6 @@ __start:
|
|||||||
cp r0, r1 /* Finished? */
|
cp r0, r1 /* Finished? */
|
||||||
brlo 3b /* No... keep looping */
|
brlo 3b /* No... keep looping */
|
||||||
|
|
||||||
showprogress 'C'
|
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Clear the frame pointer and link register since this is the outermost
|
/* Clear the frame pointer and link register since this is the outermost
|
||||||
@ -150,12 +131,6 @@ __start:
|
|||||||
|
|
||||||
mcall up_lowinit
|
mcall up_lowinit
|
||||||
|
|
||||||
doputc 'D'
|
|
||||||
|
|
||||||
/* Board specific early initialization */
|
|
||||||
|
|
||||||
mcall up_ledinit
|
|
||||||
|
|
||||||
/* Then jump to OS entry (will not return) */
|
/* Then jump to OS entry (will not return) */
|
||||||
|
|
||||||
rjmp os_start
|
rjmp os_start
|
||||||
|
|||||||
@ -175,7 +175,7 @@ extern uint32_t *up_va2pte(uintptr_t vaddr);
|
|||||||
# define up_pginitialize()
|
# define up_pginitialize()
|
||||||
#endif /* CONFIG_PAGING */
|
#endif /* CONFIG_PAGING */
|
||||||
|
|
||||||
/* Defined in up_allocateheap.c */
|
/* Defined in common/up_allocateheap.c or chip/xxx_allocateheap.c */
|
||||||
|
|
||||||
#if CONFIG_MM_REGIONS > 1
|
#if CONFIG_MM_REGIONS > 1
|
||||||
void up_addregion(void);
|
void up_addregion(void);
|
||||||
@ -183,7 +183,15 @@ void up_addregion(void);
|
|||||||
# define up_addregion()
|
# define up_addregion()
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Defined in up_serial.c */
|
/* Defined in chip/xxx_lowinit.c. This function is called from the
|
||||||
|
* head.S file just before jumping to os_start(). This function
|
||||||
|
* performs whatever very low level initialization that is needed
|
||||||
|
* before the OS gets started (clocks, console, LEDs, etc.)
|
||||||
|
*/
|
||||||
|
|
||||||
|
extern void up_lowinit(void);
|
||||||
|
|
||||||
|
/* Defined in chip/xxx_serial.c */
|
||||||
|
|
||||||
#if CONFIG_NFILE_DESCRIPTORS > 0
|
#if CONFIG_NFILE_DESCRIPTORS > 0
|
||||||
extern void up_earlyserialinit(void);
|
extern void up_earlyserialinit(void);
|
||||||
@ -201,27 +209,25 @@ extern void lowconsole_init(void);
|
|||||||
# define lowconsole_init()
|
# define lowconsole_init()
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Defined in up_timerisr.c */
|
/* Defined in chip/xxx_timerisr.c */
|
||||||
|
|
||||||
extern void up_timerinit(void);
|
extern void up_timerinit(void);
|
||||||
|
|
||||||
/* Defined in up_irq.c */
|
/* Defined in chip/xxx_irq.c */
|
||||||
|
|
||||||
extern void up_maskack_irq(int irq);
|
extern void up_maskack_irq(int irq);
|
||||||
|
|
||||||
/* Defined in board/up_leds.c */
|
/* Defined in configs/<board-name>/src/up_leds.c */
|
||||||
|
|
||||||
#ifdef CONFIG_ARCH_LEDS
|
#ifdef CONFIG_ARCH_LEDS
|
||||||
extern void up_ledinit(void);
|
|
||||||
extern void up_ledon(int led);
|
extern void up_ledon(int led);
|
||||||
extern void up_ledoff(int led);
|
extern void up_ledoff(int led);
|
||||||
#else
|
#else
|
||||||
# define up_ledinit()
|
|
||||||
# define up_ledon(led)
|
# define up_ledon(led)
|
||||||
# define up_ledoff(led)
|
# define up_ledoff(led)
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Defined in board/up_network.c */
|
/* Defined in chip/xxx_ethernet.c */
|
||||||
|
|
||||||
#ifdef CONFIG_NET
|
#ifdef CONFIG_NET
|
||||||
extern void up_netinitialize(void);
|
extern void up_netinitialize(void);
|
||||||
@ -229,7 +235,7 @@ extern void up_netinitialize(void);
|
|||||||
# define up_netinitialize()
|
# define up_netinitialize()
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Defined in board/up_ethernet.c */
|
/* Defined in chip/xxx_usbdev.c */
|
||||||
|
|
||||||
#ifdef CONFIG_USBDEV
|
#ifdef CONFIG_USBDEV
|
||||||
extern void up_usbinitialize(void);
|
extern void up_usbinitialize(void);
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user