43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*****************************************************************************
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* gpio.c: GPIO C file for NXP LPC13xx Family Microprocessors
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*
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* Copyright(C) 2008, NXP Semiconductor
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* All rights reserved.
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*
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* History
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* 2008.07.20 ver 1.00 Preliminary version, first Release
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* 2009.12.09 ver 1.05 Mod to use mask registers for GPIO writes + inlining (.h)
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*
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*****************************************************************************/
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#include "LPC13xx.h" /* LPC13xx Peripheral Registers */
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#include "gpio.h"
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LPC_GPIO_TypeDef (*const LPC_GPIO[4]) = {
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LPC_GPIO0,
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LPC_GPIO1,
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LPC_GPIO2,
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LPC_GPIO3
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};
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/*****************************************************************************
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** Function name: GPIOInit
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**
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** Descriptions: Initialize GPIO, install the
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** GPIO interrupt handler
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**
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** parameters: None
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** Returned value: true or false, return false if the VIC table
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** is full and GPIO interrupt handler can be
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** installed.
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**
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*****************************************************************************/
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void GPIOInit(void)
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{
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/* Enable AHB clock to the GPIO domain. */
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LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 6);
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}
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/******************************************************************************
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** End Of File
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******************************************************************************/
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