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Fixe LM3S GPIO output settings; fix Eagle-100 LEDs

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1823 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2009-05-24 16:03:08 +00:00
parent 4a22afc008
commit 730667e069
11 changed files with 212 additions and 17 deletions
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2
ChangeLog
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@ -732,4 +732,6 @@
Micromint Eagle100 board.
* arch/arm/src/lm3s: Added an SSI driver for the LM3S6918
* examples/nsh: Added MMC/SD support for the LM3S6918
* arch/arm/src/lm3s: Fix logic for setting and clearing output GPIOs (critical
fix!).

2
Documentation/NuttX.html
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@ -1422,6 +1422,8 @@ nuttx-0.4.7 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
Micromint Eagle100 board.
* arch/arm/src/lm3s: Added an SSI driver for the LM3S6918
* examples/nsh: Added MMC/SD support for the LM3S6918
* arch/arm/src/lm3s: Fix logic for setting and clearing output GPIOs (critical
fix!).
pascal-0.1.3 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>

6
TODO
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@ -24,7 +24,7 @@ NuttX TODO List (Last updated April 12, 2009)
(2) ARM/i.MX (arch/arm/src/imx/)
(3) ARM/LPC214x (arch/arm/src/lpc214x/)
(4) ARM/STR71x (arch/arm/src/str71x/)
(2) ARM/LM3S6918 (arch/arm/src/lm3s/)
(1) ARM/LM3S6918 (arch/arm/src/lm3s/)
(4) pjrc-8052 / MCS51 (arch/pjrc-8051/)
(2) Hitachi/Renesas SH-1 (arch/sh/src/sh1)
(4) Renesas M16C/26 (arch/sh/src/m16c)
@ -539,10 +539,6 @@ o ARM/STR71x (arch/arm/src/str71x/)
o ARM/LM3S6918 (arch/arm/src/lm3s/)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Description: Eagle-100 LEDs do not work. This has to be a simple problem to fix.
Status: Open
Priority: Low
Description: Still need to implement I2C
Status: Open
Priority: Low

2
arch/arm/src/lm3s/Make.defs
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@ -47,7 +47,7 @@ CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \
CHIP_ASRCS =
CHIP_CSRCS = lm3s_start.c lm3s_syscontrol.c lm3s_irq.c \
lm3s_gpio.c lm3s_gpioirq.c lm3s_timerisr.c lm3s_lowputc.c \
lm3s_serial.c lm3s_ssi.c
lm3s_serial.c lm3s_ssi.c lm3s_dumpgpio.c
ifdef CONFIG_NET
CHIP_CSRCS += lm3s_ethernet.c

154
arch/arm/src/lm3s/lm3s_dumpgpio.c Normal file
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@ -0,0 +1,154 @@
/****************************************************************************
* arch/arm/src/lm3s/lm3s_dumpgpio.c
*
* Copyright (C) 2009 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 <debug.h>
#include <nuttx/arch.h>
#include "up_arch.h"
#include "chip.h"
#include "lm3s_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/* NOTE: this is duplicated in lm3s_gpio.c */
static const uint32 g_gpiobase[8] =
{
LM3S_GPIOA_BASE, LM3S_GPIOB_BASE, LM3S_GPIOC_BASE, LM3S_GPIOD_BASE,
LM3S_GPIOE_BASE, LM3S_GPIOF_BASE, LM3S_GPIOG_BASE, LM3S_GPIOH_BASE,
};
static const char g_portchar[8] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H' };
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: lm3s_gpiobaseaddress
*
* Description:
* Given a GPIO enumeration value, return the base address of the
* associated GPIO registers.
*
****************************************************************************/
static inline uint32 lm3s_gpiobaseaddress(int port)
{
return g_gpiobase[port & 7];
}
/****************************************************************************
* Name: lm3s_gpioport
*
* Description:
* Given a GPIO enumeration value, return the base address of the
* associated GPIO registers.
*
****************************************************************************/
static inline ubyte lm3s_gpioport(int port)
{
return g_portchar[port & 7];
}
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: lm3s_dumpgpio
*
* Description:
* Dump all GPIO registers associated with the provided base address
*
****************************************************************************/
int lm3s_dumpgpio(uint32 pinset, const char *msg)
{
irqstate_t flags;
unsigned int port = (pinset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
uint32 base;
uint32 rcgc2;
boolean enabled;
/* Get the base address associated with the GPIO port */
base = lm3s_gpiobaseaddress(port);
/* The following requires exclusive access to the GPIO registers */
flags = irqsave();
rcgc2 = getreg32(LM3S_SYSCON_RCGC2);
enabled = ((rcgc2 & SYSCON_RCGC2_GPIO(port)) != 0);
lldbg("GPIO%c pinset: %08x base: %08x -- %s\n",
lm3s_gpioport(port), pinset, base, msg);
lldbg(" RCGC2: %08x (%s)\n",
rcgc2, enabled ? "enabled" : "disabled" );
/* Don't bother with the rest unless the port is enabled */
if (enabled)
{
lldbg(" AFSEL: %02x DEN: %02x DIR: %02x DATA: %02x\n",
getreg32(base + LM3S_GPIO_AFSEL_OFFSET), getreg32(base + LM3S_GPIO_DEN_OFFSET),
getreg32(base + LM3S_GPIO_DIR_OFFSET), getreg32(base + LM3S_GPIO_DATA_OFFSET + 0x3fc));
lldbg(" IS: %02x IBE: %02x IEV: %02x IM: %02x RIS: %02x MIS: %02x\n",
getreg32(base + LM3S_GPIO_IEV_OFFSET), getreg32(base + LM3S_GPIO_IM_OFFSET),
getreg32(base + LM3S_GPIO_RIS_OFFSET), getreg32(base + LM3S_GPIO_MIS_OFFSET));
lldbg(" 2MA: %02x 4MA: %02x 8MA: %02x ODR: %02x PUR %02x PDR: %02x SLR: %02x\n",
getreg32(base + LM3S_GPIO_DR2R_OFFSET), getreg32(base + LM3S_GPIO_DR4R_OFFSET),
getreg32(base + LM3S_GPIO_DR8R_OFFSET), getreg32(base + LM3S_GPIO_ODR_OFFSET),
getreg32(base + LM3S_GPIO_PUR_OFFSET), getreg32(base + LM3S_GPIO_PDR_OFFSET),
getreg32(base + LM3S_GPIO_SLR_OFFSET));
}
irqrestore(flags);
}

4
arch/arm/src/lm3s/lm3s_gpio.c
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@ -789,7 +789,7 @@ void lm3s_gpiowrite(uint32 pinset, boolean value)
* "... All bits are cleared by a reset."
*/
putreg32((uint32)value << pinno, base + LM3S_GPIO_DATA_OFFSET + (pinno << 2));
putreg32((uint32)value << pinno, base + LM3S_GPIO_DATA_OFFSET + (1 << (pinno + 2)));
}
/****************************************************************************
@ -828,5 +828,5 @@ boolean lm3s_gpioread(uint32 pinset, boolean value)
* are cleared by a reset."
*/
return (getreg32(base + LM3S_GPIO_DATA_OFFSET + (pinno << 2)) != 0);
return (getreg32(base + LM3S_GPIO_DATA_OFFSET + (1 << (pinno + 2))) != 0);
}

10
arch/arm/src/lm3s/lm3s_internal.h
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@ -279,6 +279,16 @@ EXTERN void lm3s_gpiowrite(uint32 pinset, boolean value);
EXTERN boolean lm3s_gpioread(uint32 pinset, boolean value);
/****************************************************************************
* Function: lm3s_dumpgpio
*
* Description:
* Dump all GPIO registers associated with the provided base address
*
****************************************************************************/
EXTERN int lm3s_dumpgpio(uint32 pinset, const char *msg);
/****************************************************************************
* Name: gpio_irqinitialize
*

3
configs/eagle100/include/board.h
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@ -114,7 +114,8 @@
/* GPIO for microSD card chip select */
#define SDC_CS (GPIO_PORTG | 2)
#define SDCCS_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | GPIO_VALUE_ONE | GPIO_PORTG | 2)
#define LED_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTE | 1)
/************************************************************************************
* Public Function Prototypes

4
configs/eagle100/src/up_boot.c
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@ -41,6 +41,8 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <debug.h>
#include <arch/board/board.h>
#include "up_arch.h"
@ -70,7 +72,7 @@ void lm3s_boardinitialize(void)
{
/* Configure the SPI-based microSD CS GPIO */
lm3s_configgpio(SDC_CS | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | GPIO_VALUE_ONE);
lm3s_configgpio(SDCCS_GPIO);
/* Configure on-board LEDs */

40
configs/eagle100/src/up_leds.c
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@ -41,6 +41,8 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <debug.h>
#include <arch/board/board.h>
#include "chip.h"
@ -52,6 +54,28 @@
* Definitions
****************************************************************************/
/* Enables debug output from this file (needs CONFIG_DEBUG with
* CONFIG_DEBUG_VERBOSE too)
*/
#undef LED_DEBUG /* Define to enable debug */
#ifdef LED_DEBUG
# define leddbg lldbg
# define ledvdbg llvdbg
#else
# define leddbg(x...)
# define ledvdbg(x...)
#endif
/* Dump GPIO registers */
#ifdef LED_DEBUG
# define led_dumpgpio(m) lm3s_dumpgpio(LED_GPIO, m)
#else
# define led_dumpgpio(m)
#endif
/****************************************************************************
* Private Data
****************************************************************************/
@ -73,13 +97,13 @@ static boolean g_nest;
#ifdef CONFIG_ARCH_LEDS
void up_ledinit(void)
{
/* Make sure that the GPIOE peripheral is enabled */
modifyreg32(LM3S_SYSCON_RCGC2_OFFSET, 0, SYSCON_RCGC2_GPIOE);
leddbg("Initializing\n");
/* Configure Port E, Bit 1 as an output, initial value=OFF */
lm3s_configgpio(GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTE | 1);
led_dumpgpio("up_ledinit before lm3s_configgpio()");
lm3s_configgpio(LED_GPIO);
led_dumpgpio("up_ledinit after lm3s_configgpio()");
g_nest = 0;
}
@ -103,7 +127,9 @@ void up_ledon(int led)
g_nest++;
case LED_IRQSENABLED:
case LED_STACKCREATED:
modifyreg32(LM3S_GPIOE_DATA, 0, (1 << 1));
led_dumpgpio("up_ledon: before lm3s_gpiowrite()");
lm3s_gpiowrite(LED_GPIO, FALSE);
led_dumpgpio("up_ledon: after lm3s_gpiowrite()");
break;
}
}
@ -129,7 +155,9 @@ void up_ledoff(int led)
case LED_PANIC:
if (--g_nest <= 0)
{
modifyreg32(LM3S_GPIOE_DATA, (1 << 1), 0);
led_dumpgpio("up_ledoff: before lm3s_gpiowrite()");
lm3s_gpiowrite(LED_GPIO, TRUE);
led_dumpgpio("up_ledoff: after lm3s_gpiowrite()");
}
break;
}

2
configs/eagle100/src/up_ssi.c
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@ -84,7 +84,7 @@ void lm3s_spiselect(FAR struct spi_dev_s *dev, enum spi_dev_e devid, boolean sel
{
/* Assert the CS pin to the card */
lm3s_gpiowrite(SDC_CS, selected ? 0 : 1);
lm3s_gpiowrite(SDCCS_GPIO, !selected);
}
}