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iocon_17xx_40xx.c
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1 /*
2 * @brief LPC17xx/40xx IOCON driver
3 *
4 * Copyright(C) NXP Semiconductors, 2013
5 * All rights reserved.
6 *
7 * Software that is described herein is for illustrative purposes only
8 * which provides customers with programming information regarding the
9 * LPC products. This software is supplied "AS IS" without any warranties of
10 * any kind, and NXP Semiconductors and its licensor disclaim any and
11 * all warranties, express or implied, including all implied warranties of
12 * merchantability, fitness for a particular purpose and non-infringement of
13 * intellectual property rights. NXP Semiconductors assumes no responsibility
14 * or liability for the use of the software, conveys no license or rights under any
15 * patent, copyright, mask work right, or any other intellectual property rights in
16 * or to any products. NXP Semiconductors reserves the right to make changes
17 * in the software without notification. NXP Semiconductors also makes no
18 * representation or warranty that such application will be suitable for the
19 * specified use without further testing or modification.
20 *
21 * Permission to use, copy, modify, and distribute this software and its
22 * documentation is hereby granted, under NXP Semiconductors' and its
23 * licensor's relevant copyrights in the software, without fee, provided that it
24 * is used in conjunction with NXP Semiconductors microcontrollers. This
25 * copyright, permission, and disclaimer notice must appear in all copies of
26 * this code.
27 */
28
29 #include "chip.h"
30
31 /*****************************************************************************
32 * Private types/enumerations/variables
33 ****************************************************************************/
34
35 /*****************************************************************************
36 * Public types/enumerations/variables
37 ****************************************************************************/
38
39 /*****************************************************************************
40 * Private functions
41 ****************************************************************************/
42
43 /*****************************************************************************
44 * Public functions
45 ****************************************************************************/
46
47 #if defined(CHIP_LPC175X_6X)
48 /* Setup pin modes and function */
49 void Chip_IOCON_PinMux(LPC_IOCON_T *pIOCON, uint8_t port, uint8_t pin, uint32_t mode, uint8_t func)
50 {
51 uint8_t reg, bitPos;
52 uint32_t temp;
53
54 bitPos = IOCON_BIT_INDEX(pin);
55 reg = IOCON_REG_INDEX(port,pin);
56
57 temp = pIOCON->PINSEL[reg] & ~(0x03UL << bitPos);
58 pIOCON->PINSEL[reg] = temp | (func << bitPos);
59
60 temp = pIOCON->PINMODE[reg] & ~(0x03UL << bitPos);
61 pIOCON->PINMODE[reg] = temp | (mode << bitPos);
62 }
63 #endif /* defined(CHIP_LPC175X_6X) */