/**************************************************************************** * arch/arm/src/lpc17xx/lpc17_gpiodbg.c * * Copyright (C) 2010 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include "up_arch.h" #include "chip.h" #include "lpc17_gpio.h" #include "lpc17_internal.h" #ifdef CONFIG_DEBUG_GPIO /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /**************************************************************************** * Private Types ****************************************************************************/ /**************************************************************************** * Private Data ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Name: lpc17_pinsel * * Description: * Get the address of the PINSEL register corresponding to this port and * pin number. * ****************************************************************************/ static uint32_t lpc17_pinsel(unsigned int port, unsigned int pin) { if (pin < 16) { return g_lopinsel[port]; } else { return g_hipinsel[port]; } } /**************************************************************************** * Name: lpc17_pinmode * * Description: * Get the address of the PINMODE register corresponding to this port and * pin number. * ****************************************************************************/ static uint32_t lpc17_pinmode(unsigned int port, unsigned int pin) { if (pin < 16) { return g_lopinmode[port]; } else { return g_hipinmode[port]; } } /**************************************************************************** * Global Functions ****************************************************************************/ /**************************************************************************** * Function: lpc17_dumpgpio * * Description: * Dump all GPIO registers associated with the provided base address * ****************************************************************************/ int lpc17_dumpgpio(uint16_t pinset, const char *msg) { irqstate_t flags; uint32_t base; uint32_t pinsel; uint32_t pinmode; unsigned int port; unsigned int pin; /* Get the base address associated with the GPIO port */ port = (pinset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT; pin = (pinset & GPIO_PIN_MASK) >> GPIO_PIN_SHIFT; pinsel = lpc17_pinsel(port, pin); pinmode = lpc17_pinmode(port, pin); /* The following requires exclusive access to the GPIO registers */ flags = irqsave(); lldbg("GPIO%c pinset: %08x -- %s\n", port + '0', pinset, msg); lldbg(" PINSEL[%08x]: %08x PINMODE[%08x]: %08x ODMODE[%08x]: %08x\n", pinsel, pinsel ? getreg32(pinsel) : 0, pinmode, pinmode ? getreg32(pinmode) : 0, g_odmode[port], getreg32(g_odmode[port])); base = g_fiobase[port]; lldbg(" FIODIR[%08x]: %08x FIOMASK[%08x]: %08x FIOPIN[%08x]: %08x\n", base+LPC17_FIO_DIR_OFFSET, getreg32(base+LPC17_FIO_DIR_OFFSET), base+LPC17_FIO_MASK_OFFSET, getreg32(base+LPC17_FIO_MASK_OFFSET), base+LPC17_FIO_PIN_OFFSET, getreg32(base+LPC17_FIO_PIN_OFFSET)); base = g_intbase[port]; lldbg(" IOINTSTATUS[%08x]: %08x INTSTATR[%08x]: %08x INSTATF[%08x]: %08x\n", base+LPC17_GPIOINT_IOINTSTATUS_OFFSET, getreg32(base+LPC17_GPIOINT_IOINTSTATUS_OFFSET), base+LPC17_GPIOINT_INTSTATR_OFFSET, getreg32(base+LPC17_GPIOINT_INTSTATR_OFFSET), base+LPC17_GPIOINT_INTSTATF_OFFSET, getreg32(base+LPC17_GPIOINT_INTSTATF_OFFSET)); lldbg(" INTENR[%08x]: %08x INTENF[%08x]: %08x\n", base+LPC17_GPIOINT_INTENR_OFFSET, getreg32(base+LPC17_GPIOINT_INTENR_OFFSET), base+LPC17_GPIOINT_INTENF_OFFSET, getreg32(base+LPC17_GPIOINT_INTENF_OFFSET)); irqrestore(flags); return OK; } #endif /* CONFIG_DEBUG_GPIO */