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LPC2148 timer irq fixes

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@931 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2008-09-18 22:12:52 +00:00
parent f08de9a812
commit af924c567f
8 changed files with 108 additions and 26 deletions
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2
arch/arm/include/lpc214x/irq.h
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@ -81,7 +81,7 @@
* following will be used by the system.
*/
#define LPC214X_SYSTEMER_VEC 0 /* System timer */
#define LPC214X_SYSTIMER_VEC 0 /* System timer */
/****************************************************************************
* Public Types

1
arch/arm/src/common/up_internal.h
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@ -120,6 +120,7 @@ extern void up_syscall(uint32 *regs);
extern int up_timerisr(int irq, uint32 *regs);
extern void up_undefinedinsn(uint32 *regs);
extern void up_lowputc(char ch);
extern void up_puts(const char *str);
/* Defined in up_vectors.S */

76
arch/arm/src/common/up_puts.c Normal file
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@ -0,0 +1,76 @@
/****************************************************************************
* arch/arm/src/common/up_puts.c
*
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 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
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <nuttx/arch.h>
#include "up_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_puts
*
* Description:
* This is a low-level helper function used to support debug.
*
****************************************************************************/
void up_puts(const char *str)
{
while(*str)
{
up_putc(*str);
}
}

34
arch/arm/src/common/up_undefinedinsn.c
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@ -1,7 +1,7 @@
/************************************************************
* common/up_undefinedinsn.c
/****************************************************************************
* arch/arm/src/common/up_undefinedinsn.c
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@ -14,7 +14,7 @@
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name Gregory Nutt nor the names of its contributors may be
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
@ -31,11 +31,11 @@
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************/
****************************************************************************/
/************************************************************
/****************************************************************************
* Included Files
************************************************************/
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
@ -44,9 +44,9 @@
#include "os_internal.h"
#include "up_internal.h"
/************************************************************
/****************************************************************************
* Definitions
************************************************************/
****************************************************************************/
/* Output debug info if stack dump is selected -- even if
* debug is not selected.
@ -57,21 +57,21 @@
# define lldbg lib_lowprintf
#endif
/************************************************************
/****************************************************************************
* Private Data
************************************************************/
****************************************************************************/
/************************************************************
/****************************************************************************
* Private Functions
************************************************************/
****************************************************************************/
/************************************************************
/****************************************************************************
* Public Functions
************************************************************/
****************************************************************************/
/************************************************************
/****************************************************************************
* Name: up_undefinedinsn
************************************************************/
****************************************************************************/
void up_undefinedinsn(uint32 *regs)
{

4
arch/arm/src/lpc214x/Make.defs
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@ -47,6 +47,10 @@ ifneq ($(CONFIG_DISABLE_SIGNALS),y)
CMN_CSRCS += up_schedulesigaction.c up_sigdeliver.c
endif
ifeq ($(CONFIG_DEBUG),y)
CMN_CSRCS += up_puts.c
endif
CHIP_ASRCS = lpc214x_lowputc.S
CHIP_CSRCS = lpc214x_decodeirq.c lpc214x_irq.c lpc214x_timerisr.c \
lpc214x_serial.c

6
arch/arm/src/lpc214x/lpc214x_decodeirq.c
View File

@ -127,9 +127,9 @@ static void lpc214x_decodeirq( uint32 *regs)
* times through the loop.
*/
for (nibble = pending & 0xff, irq_base = 0;
pending && irq < NR_IRQS;
pending >>= 4, nibble = pending & 0xff, irq_base += 4)
for (nibble = pending & 0x0f, irq_base = 0;
pending && irq_base < NR_IRQS;
pending >>= 4, nibble = pending & 0x0f, irq_base += 4)
{
if (nibble)
{

3
arch/arm/src/lpc214x/lpc214x_irq.c
View File

@ -39,6 +39,7 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <debug.h>
#include <nuttx/irq.h>
#include "up_arch.h"
@ -156,7 +157,7 @@ void up_enable_irq(int irq)
*/
uint32 val = vic_getreg(LPC214X_VIC_INTENABLE_OFFSET);
vic_putreg(val | (1 << irq), LPC214X_VIC_INTENCLEAR_OFFSET);
vic_putreg(val | (1 << irq), LPC214X_VIC_INTENABLE_OFFSET);
irqrestore(flags);
}
}

8
arch/arm/src/lpc214x/lpc214x_timerisr.c
View File

@ -60,9 +60,9 @@
#define tmr_getreg16(o) getreg16(LPC214X_TMR0_BASE+(o))
#define tmr_getreg32(o) getreg32(LPC214X_TMR0_BASE+(o))
#define tmr_putreg8(o,v) putreg8((v), LPC214X_TMR0_BASE+(o))
#define tmr_putreg16(o,v) putreg16((v), LPC214X_TMR0_BASE+(o))
#define tmr_putreg32(o,v) putreg32((v), LPC214X_TMR0_BASE+(o))
#define tmr_putreg8(v,o) putreg8((v), LPC214X_TMR0_BASE+(o))
#define tmr_putreg16(v,o) putreg16((v), LPC214X_TMR0_BASE+(o))
#define tmr_putreg32(v,o) putreg32((v), LPC214X_TMR0_BASE+(o))
/****************************************************************************
* Private Types
@ -151,7 +151,7 @@ void up_timerinit(void)
/* Attach the timer interrupt vector */
#ifdef CONFIG_VECTORED_INTERRUPTS
up_attach_vector(LPC214X_IRQ_SYSTIMER, LPC214X_SYSTEMER_VEC, (vic_vector_t)up_timerisr);
up_attach_vector(LPC214X_IRQ_SYSTIMER, LPC214X_SYSTIMER_VEC, (vic_vector_t)up_timerisr);
#else
(void)irq_attach(LPC214X_IRQ_SYSTIMER, (xcpt_t)up_timerisr);
#endif