I2S_AIC23B_32khz_wavtest -

Users » lynxeyed_atsu » Code » I2S_AIC23B_32khz_wavtest

xeye_ atsu / Mbed 2 deprecated I2S_AIC23B_32khz_wavtest

I2S_Example/lpc17xx_pinsel.c@0:63ed631d8c3a, 2011-01-21 (annotated)

Committer:: lynxeyed_atsu
Date:: Fri Jan 21 08:39:48 2011 +0000
Revision:: 0:63ed631d8c3a

Who changed what in which revision?

User	Revision	Line number	New contents of line
lynxeyed_atsu	0:63ed631d8c3a	1	/*********************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	2	* @file lpc17xx_pinsel.c
lynxeyed_atsu	0:63ed631d8c3a	3	* @brief Contains all functions support for Pin connect block firmware
lynxeyed_atsu	0:63ed631d8c3a	4	* library on LPC17xx
lynxeyed_atsu	0:63ed631d8c3a	5	* @version 2.0
lynxeyed_atsu	0:63ed631d8c3a	6	* @date 21. May. 2010
lynxeyed_atsu	0:63ed631d8c3a	7	* @author NXP MCU SW Application Team
lynxeyed_atsu	0:63ed631d8c3a	8	**************************************************************************
lynxeyed_atsu	0:63ed631d8c3a	9	* Software that is described herein is for illustrative purposes only
lynxeyed_atsu	0:63ed631d8c3a	10	* which provides customers with programming information regarding the
lynxeyed_atsu	0:63ed631d8c3a	11	* products. This software is supplied "AS IS" without any warranties.
lynxeyed_atsu	0:63ed631d8c3a	12	* NXP Semiconductors assumes no responsibility or liability for the
lynxeyed_atsu	0:63ed631d8c3a	13	* use of the software, conveys no license or title under any patent,
lynxeyed_atsu	0:63ed631d8c3a	14	* copyright, or mask work right to the product. NXP Semiconductors
lynxeyed_atsu	0:63ed631d8c3a	15	* reserves the right to make changes in the software without
lynxeyed_atsu	0:63ed631d8c3a	16	* notification. NXP Semiconductors also make no representation or
lynxeyed_atsu	0:63ed631d8c3a	17	* warranty that such application will be suitable for the specified
lynxeyed_atsu	0:63ed631d8c3a	18	* use without further testing or modification.
lynxeyed_atsu	0:63ed631d8c3a	19	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	20
lynxeyed_atsu	0:63ed631d8c3a	21	/* Peripheral group ----------------------------------------------------------- */
lynxeyed_atsu	0:63ed631d8c3a	22	/** @addtogroup PINSEL
lynxeyed_atsu	0:63ed631d8c3a	23	* @{
lynxeyed_atsu	0:63ed631d8c3a	24	*/
lynxeyed_atsu	0:63ed631d8c3a	25
lynxeyed_atsu	0:63ed631d8c3a	26	/* Includes ------------------------------------------------------------------- */
lynxeyed_atsu	0:63ed631d8c3a	27	#include "lpc17xx_pinsel.h"
lynxeyed_atsu	0:63ed631d8c3a	28
lynxeyed_atsu	0:63ed631d8c3a	29	/* Public Functions ----------------------------------------------------------- */
lynxeyed_atsu	0:63ed631d8c3a	30
lynxeyed_atsu	0:63ed631d8c3a	31	static void set_PinFunc ( uint8_t portnum, uint8_t pinnum, uint8_t funcnum);
lynxeyed_atsu	0:63ed631d8c3a	32	static void set_ResistorMode ( uint8_t portnum, uint8_t pinnum, uint8_t modenum);
lynxeyed_atsu	0:63ed631d8c3a	33	static void set_OpenDrainMode( uint8_t portnum, uint8_t pinnum, uint8_t modenum);
lynxeyed_atsu	0:63ed631d8c3a	34
lynxeyed_atsu	0:63ed631d8c3a	35	/*******************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	36	* @brief Setup the pin selection function
lynxeyed_atsu	0:63ed631d8c3a	37	* @param[in] portnum PORT number,
lynxeyed_atsu	0:63ed631d8c3a	38	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	39	* - PINSEL_PORT_0 : Port 0
lynxeyed_atsu	0:63ed631d8c3a	40	* - PINSEL_PORT_1 : Port 1
lynxeyed_atsu	0:63ed631d8c3a	41	* - PINSEL_PORT_2 : Port 2
lynxeyed_atsu	0:63ed631d8c3a	42	* - PINSEL_PORT_3 : Port 3
lynxeyed_atsu	0:63ed631d8c3a	43	*
lynxeyed_atsu	0:63ed631d8c3a	44	* @param[in] pinnum Pin number,
lynxeyed_atsu	0:63ed631d8c3a	45	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	46	- PINSEL_PIN_0 : Pin 0
lynxeyed_atsu	0:63ed631d8c3a	47	- PINSEL_PIN_1 : Pin 1
lynxeyed_atsu	0:63ed631d8c3a	48	- PINSEL_PIN_2 : Pin 2
lynxeyed_atsu	0:63ed631d8c3a	49	- PINSEL_PIN_3 : Pin 3
lynxeyed_atsu	0:63ed631d8c3a	50	- PINSEL_PIN_4 : Pin 4
lynxeyed_atsu	0:63ed631d8c3a	51	- PINSEL_PIN_5 : Pin 5
lynxeyed_atsu	0:63ed631d8c3a	52	- PINSEL_PIN_6 : Pin 6
lynxeyed_atsu	0:63ed631d8c3a	53	- PINSEL_PIN_7 : Pin 7
lynxeyed_atsu	0:63ed631d8c3a	54	- PINSEL_PIN_8 : Pin 8
lynxeyed_atsu	0:63ed631d8c3a	55	- PINSEL_PIN_9 : Pin 9
lynxeyed_atsu	0:63ed631d8c3a	56	- PINSEL_PIN_10 : Pin 10
lynxeyed_atsu	0:63ed631d8c3a	57	- PINSEL_PIN_11 : Pin 11
lynxeyed_atsu	0:63ed631d8c3a	58	- PINSEL_PIN_12 : Pin 12
lynxeyed_atsu	0:63ed631d8c3a	59	- PINSEL_PIN_13 : Pin 13
lynxeyed_atsu	0:63ed631d8c3a	60	- PINSEL_PIN_14 : Pin 14
lynxeyed_atsu	0:63ed631d8c3a	61	- PINSEL_PIN_15 : Pin 15
lynxeyed_atsu	0:63ed631d8c3a	62	- PINSEL_PIN_16 : Pin 16
lynxeyed_atsu	0:63ed631d8c3a	63	- PINSEL_PIN_17 : Pin 17
lynxeyed_atsu	0:63ed631d8c3a	64	- PINSEL_PIN_18 : Pin 18
lynxeyed_atsu	0:63ed631d8c3a	65	- PINSEL_PIN_19 : Pin 19
lynxeyed_atsu	0:63ed631d8c3a	66	- PINSEL_PIN_20 : Pin 20
lynxeyed_atsu	0:63ed631d8c3a	67	- PINSEL_PIN_21 : Pin 21
lynxeyed_atsu	0:63ed631d8c3a	68	- PINSEL_PIN_22 : Pin 22
lynxeyed_atsu	0:63ed631d8c3a	69	- PINSEL_PIN_23 : Pin 23
lynxeyed_atsu	0:63ed631d8c3a	70	- PINSEL_PIN_24 : Pin 24
lynxeyed_atsu	0:63ed631d8c3a	71	- PINSEL_PIN_25 : Pin 25
lynxeyed_atsu	0:63ed631d8c3a	72	- PINSEL_PIN_26 : Pin 26
lynxeyed_atsu	0:63ed631d8c3a	73	- PINSEL_PIN_27 : Pin 27
lynxeyed_atsu	0:63ed631d8c3a	74	- PINSEL_PIN_28 : Pin 28
lynxeyed_atsu	0:63ed631d8c3a	75	- PINSEL_PIN_29 : Pin 29
lynxeyed_atsu	0:63ed631d8c3a	76	- PINSEL_PIN_30 : Pin 30
lynxeyed_atsu	0:63ed631d8c3a	77	- PINSEL_PIN_31 : Pin 31
lynxeyed_atsu	0:63ed631d8c3a	78
lynxeyed_atsu	0:63ed631d8c3a	79	* @param[in] funcnum Function number,
lynxeyed_atsu	0:63ed631d8c3a	80	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	81	* - PINSEL_FUNC_0 : default function
lynxeyed_atsu	0:63ed631d8c3a	82	* - PINSEL_FUNC_1 : first alternate function
lynxeyed_atsu	0:63ed631d8c3a	83	* - PINSEL_FUNC_2 : second alternate function
lynxeyed_atsu	0:63ed631d8c3a	84	* - PINSEL_FUNC_3 : third alternate function
lynxeyed_atsu	0:63ed631d8c3a	85	*
lynxeyed_atsu	0:63ed631d8c3a	86	* @return None
lynxeyed_atsu	0:63ed631d8c3a	87	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	88	static void set_PinFunc ( uint8_t portnum, uint8_t pinnum, uint8_t funcnum)
lynxeyed_atsu	0:63ed631d8c3a	89	{
lynxeyed_atsu	0:63ed631d8c3a	90	uint32_t pinnum_t = pinnum;
lynxeyed_atsu	0:63ed631d8c3a	91	uint32_t pinselreg_idx = 2 * portnum;
lynxeyed_atsu	0:63ed631d8c3a	92	uint32_t pPinCon = (uint32_t )&LPC_PINCON->PINSEL0;
lynxeyed_atsu	0:63ed631d8c3a	93
lynxeyed_atsu	0:63ed631d8c3a	94	if (pinnum_t >= 16) {
lynxeyed_atsu	0:63ed631d8c3a	95	pinnum_t -= 16;
lynxeyed_atsu	0:63ed631d8c3a	96	pinselreg_idx++;
lynxeyed_atsu	0:63ed631d8c3a	97	}
lynxeyed_atsu	0:63ed631d8c3a	98	(uint32_t )(pPinCon + pinselreg_idx) &= ~(0x03UL << (pinnum_t * 2));
lynxeyed_atsu	0:63ed631d8c3a	99	(uint32_t )(pPinCon + pinselreg_idx) \|= ((uint32_t)funcnum) << (pinnum_t * 2);
lynxeyed_atsu	0:63ed631d8c3a	100	}
lynxeyed_atsu	0:63ed631d8c3a	101
lynxeyed_atsu	0:63ed631d8c3a	102	/*******************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	103	* @brief Setup resistor mode for each pin
lynxeyed_atsu	0:63ed631d8c3a	104	* @param[in] portnum PORT number,
lynxeyed_atsu	0:63ed631d8c3a	105	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	106	* - PINSEL_PORT_0 : Port 0
lynxeyed_atsu	0:63ed631d8c3a	107	* - PINSEL_PORT_1 : Port 1
lynxeyed_atsu	0:63ed631d8c3a	108	* - PINSEL_PORT_2 : Port 2
lynxeyed_atsu	0:63ed631d8c3a	109	* - PINSEL_PORT_3 : Port 3
lynxeyed_atsu	0:63ed631d8c3a	110	* @param[in] pinnum Pin number,
lynxeyed_atsu	0:63ed631d8c3a	111	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	112	- PINSEL_PIN_0 : Pin 0
lynxeyed_atsu	0:63ed631d8c3a	113	- PINSEL_PIN_1 : Pin 1
lynxeyed_atsu	0:63ed631d8c3a	114	- PINSEL_PIN_2 : Pin 2
lynxeyed_atsu	0:63ed631d8c3a	115	- PINSEL_PIN_3 : Pin 3
lynxeyed_atsu	0:63ed631d8c3a	116	- PINSEL_PIN_4 : Pin 4
lynxeyed_atsu	0:63ed631d8c3a	117	- PINSEL_PIN_5 : Pin 5
lynxeyed_atsu	0:63ed631d8c3a	118	- PINSEL_PIN_6 : Pin 6
lynxeyed_atsu	0:63ed631d8c3a	119	- PINSEL_PIN_7 : Pin 7
lynxeyed_atsu	0:63ed631d8c3a	120	- PINSEL_PIN_8 : Pin 8
lynxeyed_atsu	0:63ed631d8c3a	121	- PINSEL_PIN_9 : Pin 9
lynxeyed_atsu	0:63ed631d8c3a	122	- PINSEL_PIN_10 : Pin 10
lynxeyed_atsu	0:63ed631d8c3a	123	- PINSEL_PIN_11 : Pin 11
lynxeyed_atsu	0:63ed631d8c3a	124	- PINSEL_PIN_12 : Pin 12
lynxeyed_atsu	0:63ed631d8c3a	125	- PINSEL_PIN_13 : Pin 13
lynxeyed_atsu	0:63ed631d8c3a	126	- PINSEL_PIN_14 : Pin 14
lynxeyed_atsu	0:63ed631d8c3a	127	- PINSEL_PIN_15 : Pin 15
lynxeyed_atsu	0:63ed631d8c3a	128	- PINSEL_PIN_16 : Pin 16
lynxeyed_atsu	0:63ed631d8c3a	129	- PINSEL_PIN_17 : Pin 17
lynxeyed_atsu	0:63ed631d8c3a	130	- PINSEL_PIN_18 : Pin 18
lynxeyed_atsu	0:63ed631d8c3a	131	- PINSEL_PIN_19 : Pin 19
lynxeyed_atsu	0:63ed631d8c3a	132	- PINSEL_PIN_20 : Pin 20
lynxeyed_atsu	0:63ed631d8c3a	133	- PINSEL_PIN_21 : Pin 21
lynxeyed_atsu	0:63ed631d8c3a	134	- PINSEL_PIN_22 : Pin 22
lynxeyed_atsu	0:63ed631d8c3a	135	- PINSEL_PIN_23 : Pin 23
lynxeyed_atsu	0:63ed631d8c3a	136	- PINSEL_PIN_24 : Pin 24
lynxeyed_atsu	0:63ed631d8c3a	137	- PINSEL_PIN_25 : Pin 25
lynxeyed_atsu	0:63ed631d8c3a	138	- PINSEL_PIN_26 : Pin 26
lynxeyed_atsu	0:63ed631d8c3a	139	- PINSEL_PIN_27 : Pin 27
lynxeyed_atsu	0:63ed631d8c3a	140	- PINSEL_PIN_28 : Pin 28
lynxeyed_atsu	0:63ed631d8c3a	141	- PINSEL_PIN_29 : Pin 29
lynxeyed_atsu	0:63ed631d8c3a	142	- PINSEL_PIN_30 : Pin 30
lynxeyed_atsu	0:63ed631d8c3a	143	- PINSEL_PIN_31 : Pin 31
lynxeyed_atsu	0:63ed631d8c3a	144
lynxeyed_atsu	0:63ed631d8c3a	145	* @param[in] modenum: Mode number,
lynxeyed_atsu	0:63ed631d8c3a	146	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	147	- PINSEL_PINMODE_PULLUP : Internal pull-up resistor
lynxeyed_atsu	0:63ed631d8c3a	148	- PINSEL_PINMODE_TRISTATE : Tri-state
lynxeyed_atsu	0:63ed631d8c3a	149	- PINSEL_PINMODE_PULLDOWN : Internal pull-down resistor
lynxeyed_atsu	0:63ed631d8c3a	150
lynxeyed_atsu	0:63ed631d8c3a	151	* @return None
lynxeyed_atsu	0:63ed631d8c3a	152	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	153	void set_ResistorMode ( uint8_t portnum, uint8_t pinnum, uint8_t modenum)
lynxeyed_atsu	0:63ed631d8c3a	154	{
lynxeyed_atsu	0:63ed631d8c3a	155	uint32_t pinnum_t = pinnum;
lynxeyed_atsu	0:63ed631d8c3a	156	uint32_t pinmodereg_idx = 2 * portnum;
lynxeyed_atsu	0:63ed631d8c3a	157	uint32_t pPinCon = (uint32_t )&LPC_PINCON->PINMODE0;
lynxeyed_atsu	0:63ed631d8c3a	158
lynxeyed_atsu	0:63ed631d8c3a	159	if (pinnum_t >= 16) {
lynxeyed_atsu	0:63ed631d8c3a	160	pinnum_t -= 16;
lynxeyed_atsu	0:63ed631d8c3a	161	pinmodereg_idx++ ;
lynxeyed_atsu	0:63ed631d8c3a	162	}
lynxeyed_atsu	0:63ed631d8c3a	163
lynxeyed_atsu	0:63ed631d8c3a	164	(uint32_t )(pPinCon + pinmodereg_idx) &= ~(0x03UL << (pinnum_t * 2));
lynxeyed_atsu	0:63ed631d8c3a	165	(uint32_t )(pPinCon + pinmodereg_idx) \|= ((uint32_t)modenum) << (pinnum_t * 2);
lynxeyed_atsu	0:63ed631d8c3a	166	}
lynxeyed_atsu	0:63ed631d8c3a	167
lynxeyed_atsu	0:63ed631d8c3a	168	/*******************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	169	* @brief Setup Open drain mode for each pin
lynxeyed_atsu	0:63ed631d8c3a	170	* @param[in] portnum PORT number,
lynxeyed_atsu	0:63ed631d8c3a	171	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	172	* - PINSEL_PORT_0 : Port 0
lynxeyed_atsu	0:63ed631d8c3a	173	* - PINSEL_PORT_1 : Port 1
lynxeyed_atsu	0:63ed631d8c3a	174	* - PINSEL_PORT_2 : Port 2
lynxeyed_atsu	0:63ed631d8c3a	175	* - PINSEL_PORT_3 : Port 3
lynxeyed_atsu	0:63ed631d8c3a	176	*
lynxeyed_atsu	0:63ed631d8c3a	177	* @param[in] pinnum Pin number,
lynxeyed_atsu	0:63ed631d8c3a	178	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	179	- PINSEL_PIN_0 : Pin 0
lynxeyed_atsu	0:63ed631d8c3a	180	- PINSEL_PIN_1 : Pin 1
lynxeyed_atsu	0:63ed631d8c3a	181	- PINSEL_PIN_2 : Pin 2
lynxeyed_atsu	0:63ed631d8c3a	182	- PINSEL_PIN_3 : Pin 3
lynxeyed_atsu	0:63ed631d8c3a	183	- PINSEL_PIN_4 : Pin 4
lynxeyed_atsu	0:63ed631d8c3a	184	- PINSEL_PIN_5 : Pin 5
lynxeyed_atsu	0:63ed631d8c3a	185	- PINSEL_PIN_6 : Pin 6
lynxeyed_atsu	0:63ed631d8c3a	186	- PINSEL_PIN_7 : Pin 7
lynxeyed_atsu	0:63ed631d8c3a	187	- PINSEL_PIN_8 : Pin 8
lynxeyed_atsu	0:63ed631d8c3a	188	- PINSEL_PIN_9 : Pin 9
lynxeyed_atsu	0:63ed631d8c3a	189	- PINSEL_PIN_10 : Pin 10
lynxeyed_atsu	0:63ed631d8c3a	190	- PINSEL_PIN_11 : Pin 11
lynxeyed_atsu	0:63ed631d8c3a	191	- PINSEL_PIN_12 : Pin 12
lynxeyed_atsu	0:63ed631d8c3a	192	- PINSEL_PIN_13 : Pin 13
lynxeyed_atsu	0:63ed631d8c3a	193	- PINSEL_PIN_14 : Pin 14
lynxeyed_atsu	0:63ed631d8c3a	194	- PINSEL_PIN_15 : Pin 15
lynxeyed_atsu	0:63ed631d8c3a	195	- PINSEL_PIN_16 : Pin 16
lynxeyed_atsu	0:63ed631d8c3a	196	- PINSEL_PIN_17 : Pin 17
lynxeyed_atsu	0:63ed631d8c3a	197	- PINSEL_PIN_18 : Pin 18
lynxeyed_atsu	0:63ed631d8c3a	198	- PINSEL_PIN_19 : Pin 19
lynxeyed_atsu	0:63ed631d8c3a	199	- PINSEL_PIN_20 : Pin 20
lynxeyed_atsu	0:63ed631d8c3a	200	- PINSEL_PIN_21 : Pin 21
lynxeyed_atsu	0:63ed631d8c3a	201	- PINSEL_PIN_22 : Pin 22
lynxeyed_atsu	0:63ed631d8c3a	202	- PINSEL_PIN_23 : Pin 23
lynxeyed_atsu	0:63ed631d8c3a	203	- PINSEL_PIN_24 : Pin 24
lynxeyed_atsu	0:63ed631d8c3a	204	- PINSEL_PIN_25 : Pin 25
lynxeyed_atsu	0:63ed631d8c3a	205	- PINSEL_PIN_26 : Pin 26
lynxeyed_atsu	0:63ed631d8c3a	206	- PINSEL_PIN_27 : Pin 27
lynxeyed_atsu	0:63ed631d8c3a	207	- PINSEL_PIN_28 : Pin 28
lynxeyed_atsu	0:63ed631d8c3a	208	- PINSEL_PIN_29 : Pin 29
lynxeyed_atsu	0:63ed631d8c3a	209	- PINSEL_PIN_30 : Pin 30
lynxeyed_atsu	0:63ed631d8c3a	210	- PINSEL_PIN_31 : Pin 31
lynxeyed_atsu	0:63ed631d8c3a	211
lynxeyed_atsu	0:63ed631d8c3a	212	* @param[in] modenum Open drain mode number,
lynxeyed_atsu	0:63ed631d8c3a	213	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	214	* - PINSEL_PINMODE_NORMAL : Pin is in the normal (not open drain) mode
lynxeyed_atsu	0:63ed631d8c3a	215	* - PINSEL_PINMODE_OPENDRAIN : Pin is in the open drain mode
lynxeyed_atsu	0:63ed631d8c3a	216	*
lynxeyed_atsu	0:63ed631d8c3a	217	* @return None
lynxeyed_atsu	0:63ed631d8c3a	218	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	219	void set_OpenDrainMode( uint8_t portnum, uint8_t pinnum, uint8_t modenum)
lynxeyed_atsu	0:63ed631d8c3a	220	{
lynxeyed_atsu	0:63ed631d8c3a	221	uint32_t pPinCon = (uint32_t )&LPC_PINCON->PINMODE_OD0;
lynxeyed_atsu	0:63ed631d8c3a	222
lynxeyed_atsu	0:63ed631d8c3a	223	if (modenum == PINSEL_PINMODE_OPENDRAIN){
lynxeyed_atsu	0:63ed631d8c3a	224	(uint32_t )(pPinCon + portnum) \|= (0x01UL << pinnum);
lynxeyed_atsu	0:63ed631d8c3a	225	} else {
lynxeyed_atsu	0:63ed631d8c3a	226	(uint32_t )(pPinCon + portnum) &= ~(0x01UL << pinnum);
lynxeyed_atsu	0:63ed631d8c3a	227	}
lynxeyed_atsu	0:63ed631d8c3a	228	}
lynxeyed_atsu	0:63ed631d8c3a	229
lynxeyed_atsu	0:63ed631d8c3a	230	/* End of Public Functions ---------------------------------------------------- */
lynxeyed_atsu	0:63ed631d8c3a	231
lynxeyed_atsu	0:63ed631d8c3a	232	/* Public Functions ----------------------------------------------------------- */
lynxeyed_atsu	0:63ed631d8c3a	233	/** @addtogroup PINSEL_Public_Functions
lynxeyed_atsu	0:63ed631d8c3a	234	* @{
lynxeyed_atsu	0:63ed631d8c3a	235	*/
lynxeyed_atsu	0:63ed631d8c3a	236	/*******************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	237	* @brief Configure trace function
lynxeyed_atsu	0:63ed631d8c3a	238	* @param[in] NewState State of the Trace function configuration,
lynxeyed_atsu	0:63ed631d8c3a	239	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	240	* - ENABLE : Enable Trace Function
lynxeyed_atsu	0:63ed631d8c3a	241	* - DISABLE : Disable Trace Function
lynxeyed_atsu	0:63ed631d8c3a	242	*
lynxeyed_atsu	0:63ed631d8c3a	243	* @return None
lynxeyed_atsu	0:63ed631d8c3a	244	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	245	void PINSEL_ConfigTraceFunc(FunctionalState NewState)
lynxeyed_atsu	0:63ed631d8c3a	246	{
lynxeyed_atsu	0:63ed631d8c3a	247	if (NewState == ENABLE) {
lynxeyed_atsu	0:63ed631d8c3a	248	LPC_PINCON->PINSEL10 \|= (0x01UL << 3);
lynxeyed_atsu	0:63ed631d8c3a	249	} else if (NewState == DISABLE) {
lynxeyed_atsu	0:63ed631d8c3a	250	LPC_PINCON->PINSEL10 &= ~(0x01UL << 3);
lynxeyed_atsu	0:63ed631d8c3a	251	}
lynxeyed_atsu	0:63ed631d8c3a	252	}
lynxeyed_atsu	0:63ed631d8c3a	253
lynxeyed_atsu	0:63ed631d8c3a	254	/*******************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	255	* @brief Setup I2C0 pins
lynxeyed_atsu	0:63ed631d8c3a	256	* @param[in] i2cPinMode I2C pin mode,
lynxeyed_atsu	0:63ed631d8c3a	257	* should be one of the following:
lynxeyed_atsu	0:63ed631d8c3a	258	* - PINSEL_I2C_Normal_Mode : The standard drive mode
lynxeyed_atsu	0:63ed631d8c3a	259	* - PINSEL_I2C_Fast_Mode : Fast Mode Plus drive mode
lynxeyed_atsu	0:63ed631d8c3a	260	*
lynxeyed_atsu	0:63ed631d8c3a	261	* @param[in] filterSlewRateEnable should be:
lynxeyed_atsu	0:63ed631d8c3a	262	* - ENABLE: Enable filter and slew rate.
lynxeyed_atsu	0:63ed631d8c3a	263	* - DISABLE: Disable filter and slew rate.
lynxeyed_atsu	0:63ed631d8c3a	264	*
lynxeyed_atsu	0:63ed631d8c3a	265	* @return None
lynxeyed_atsu	0:63ed631d8c3a	266	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	267	void PINSEL_SetI2C0Pins(uint8_t i2cPinMode, FunctionalState filterSlewRateEnable)
lynxeyed_atsu	0:63ed631d8c3a	268	{
lynxeyed_atsu	0:63ed631d8c3a	269	uint32_t regVal = 0;
lynxeyed_atsu	0:63ed631d8c3a	270
lynxeyed_atsu	0:63ed631d8c3a	271	if (i2cPinMode == PINSEL_I2C_Fast_Mode){
lynxeyed_atsu	0:63ed631d8c3a	272	regVal = PINSEL_I2CPADCFG_SCLDRV0 \| PINSEL_I2CPADCFG_SDADRV0;
lynxeyed_atsu	0:63ed631d8c3a	273	}
lynxeyed_atsu	0:63ed631d8c3a	274
lynxeyed_atsu	0:63ed631d8c3a	275	if (filterSlewRateEnable == DISABLE){
lynxeyed_atsu	0:63ed631d8c3a	276	regVal = PINSEL_I2CPADCFG_SCLI2C0 \| PINSEL_I2CPADCFG_SDAI2C0;
lynxeyed_atsu	0:63ed631d8c3a	277	}
lynxeyed_atsu	0:63ed631d8c3a	278	LPC_PINCON->I2CPADCFG = regVal;
lynxeyed_atsu	0:63ed631d8c3a	279	}
lynxeyed_atsu	0:63ed631d8c3a	280
lynxeyed_atsu	0:63ed631d8c3a	281
lynxeyed_atsu	0:63ed631d8c3a	282	/*******************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	283	* @brief Configure Pin corresponding to specified parameters passed
lynxeyed_atsu	0:63ed631d8c3a	284	* in the PinCfg
lynxeyed_atsu	0:63ed631d8c3a	285	* @param[in] PinCfg Pointer to a PINSEL_CFG_Type structure
lynxeyed_atsu	0:63ed631d8c3a	286	* that contains the configuration information for the
lynxeyed_atsu	0:63ed631d8c3a	287	* specified pin.
lynxeyed_atsu	0:63ed631d8c3a	288	* @return None
lynxeyed_atsu	0:63ed631d8c3a	289	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	290	void PINSEL_ConfigPin(PINSEL_CFG_Type *PinCfg)
lynxeyed_atsu	0:63ed631d8c3a	291	{
lynxeyed_atsu	0:63ed631d8c3a	292	set_PinFunc(PinCfg->Portnum, PinCfg->Pinnum, PinCfg->Funcnum);
lynxeyed_atsu	0:63ed631d8c3a	293	set_ResistorMode(PinCfg->Portnum, PinCfg->Pinnum, PinCfg->Pinmode);
lynxeyed_atsu	0:63ed631d8c3a	294	set_OpenDrainMode(PinCfg->Portnum, PinCfg->Pinnum, PinCfg->OpenDrain);
lynxeyed_atsu	0:63ed631d8c3a	295	}
lynxeyed_atsu	0:63ed631d8c3a	296
lynxeyed_atsu	0:63ed631d8c3a	297
lynxeyed_atsu	0:63ed631d8c3a	298	/**
lynxeyed_atsu	0:63ed631d8c3a	299	* @}
lynxeyed_atsu	0:63ed631d8c3a	300	*/
lynxeyed_atsu	0:63ed631d8c3a	301
lynxeyed_atsu	0:63ed631d8c3a	302	/**
lynxeyed_atsu	0:63ed631d8c3a	303	* @}
lynxeyed_atsu	0:63ed631d8c3a	304	*/
lynxeyed_atsu	0:63ed631d8c3a	305
lynxeyed_atsu	0:63ed631d8c3a	306	/* --------------------------------- End Of File ------------------------------ */

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	21 Jan 2011
Imports:	2
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

I2S_Example/lpc17xx_pinsel.c@0:63ed631d8c3a, 2011-01-21 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning