LPC1700CMSIS_Examples - These are the examples provided for [[/users/fran…

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These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!

ADC/Burst/adc_burst_test.c@0:bf7b9fba3924, 2011-03-20 (annotated)

Committer:: frank26080115
Date:: Sun Mar 20 05:38:56 2011 +0000
Revision:: 0:bf7b9fba3924

Who changed what in which revision?

User	Revision	Line number	New contents of line
frank26080115	0:bf7b9fba3924	1	/****************** (C) COPYRIGHT 2010 NXPSemiconductors **********
frank26080115	0:bf7b9fba3924	2	* @file adc_interrupt_test.c
frank26080115	0:bf7b9fba3924	3	* @purpose This example describes how to use ADC conversion in
frank26080115	0:bf7b9fba3924	4	* burst mode
frank26080115	0:bf7b9fba3924	5	* @version 2.0
frank26080115	0:bf7b9fba3924	6	* @date 16. July. 2010
frank26080115	0:bf7b9fba3924	7	* @author NXP MCU SW Application Team
frank26080115	0:bf7b9fba3924	8	*---------------------------------------------------------------------
frank26080115	0:bf7b9fba3924	9	* Software that is described herein is for illustrative purposes only
frank26080115	0:bf7b9fba3924	10	* which provides customers with programming information regarding the
frank26080115	0:bf7b9fba3924	11	* products. This software is supplied "AS IS" without any warranties.
frank26080115	0:bf7b9fba3924	12	* NXP Semiconductors assumes no responsibility or liability for the
frank26080115	0:bf7b9fba3924	13	* use of the software, conveys no license or title under any patent,
frank26080115	0:bf7b9fba3924	14	* copyright, or mask work right to the product. NXP Semiconductors
frank26080115	0:bf7b9fba3924	15	* reserves the right to make changes in the software without
frank26080115	0:bf7b9fba3924	16	* notification. NXP Semiconductors also make no representation or
frank26080115	0:bf7b9fba3924	17	* warranty that such application will be suitable for the specified
frank26080115	0:bf7b9fba3924	18	* use without further testing or modification.
frank26080115	0:bf7b9fba3924	19	**********************************************************************/
frank26080115	0:bf7b9fba3924	20	#include "lpc17xx_adc.h"
frank26080115	0:bf7b9fba3924	21	#include "lpc17xx_libcfg.h"
frank26080115	0:bf7b9fba3924	22	#include "lpc17xx_pinsel.h"
frank26080115	0:bf7b9fba3924	23	#include "debug_frmwrk.h"
frank26080115	0:bf7b9fba3924	24	#include "lpc17xx_gpio.h"
frank26080115	0:bf7b9fba3924	25
frank26080115	0:bf7b9fba3924	26	/* Example group ----------------------------------------------------------- */
frank26080115	0:bf7b9fba3924	27	/** @defgroup ADC_Burst Burst
frank26080115	0:bf7b9fba3924	28	* @ingroup ADC_Examples
frank26080115	0:bf7b9fba3924	29	* @{
frank26080115	0:bf7b9fba3924	30	*/
frank26080115	0:bf7b9fba3924	31
frank26080115	0:bf7b9fba3924	32	/************************ PRIVATE DEFINITIONS *********************/
frank26080115	0:bf7b9fba3924	33	#define MCB_LPC_1768
frank26080115	0:bf7b9fba3924	34	//#define IAR_LPC_1768
frank26080115	0:bf7b9fba3924	35	#define MCB_LPC17XX_ADC_INJECT_TEST
frank26080115	0:bf7b9fba3924	36
frank26080115	0:bf7b9fba3924	37	#ifdef MCB_LPC_1768
frank26080115	0:bf7b9fba3924	38	#define MCB_LPC_1768_ADC_BURST_MULTI
frank26080115	0:bf7b9fba3924	39	#endif
frank26080115	0:bf7b9fba3924	40
frank26080115	0:bf7b9fba3924	41	#ifdef MCB_LPC_1768
frank26080115	0:bf7b9fba3924	42	#define _ADC_INT ADC_ADINTEN2
frank26080115	0:bf7b9fba3924	43	#define _ADC_CHANNEL ADC_CHANNEL_2
frank26080115	0:bf7b9fba3924	44
frank26080115	0:bf7b9fba3924	45	#ifdef MCB_LPC_1768_ADC_BURST_MULTI
frank26080115	0:bf7b9fba3924	46	#define _ADC_INT_3 ADC_ADINTEN3
frank26080115	0:bf7b9fba3924	47	#define _ADC_CHANNEL_3 ADC_CHANNEL_3
frank26080115	0:bf7b9fba3924	48	#endif
frank26080115	0:bf7b9fba3924	49
frank26080115	0:bf7b9fba3924	50	#elif defined(IAR_LPC_1768)
frank26080115	0:bf7b9fba3924	51	#define _ADC_INT ADC_ADINTEN5
frank26080115	0:bf7b9fba3924	52	#define _ADC_CHANNEL ADC_CHANNEL_5
frank26080115	0:bf7b9fba3924	53	#endif
frank26080115	0:bf7b9fba3924	54
frank26080115	0:bf7b9fba3924	55	/** DMA size of transfer */
frank26080115	0:bf7b9fba3924	56	#define DMA_SIZE 8
frank26080115	0:bf7b9fba3924	57
frank26080115	0:bf7b9fba3924	58	#ifdef MCB_LPC17XX_ADC_INJECT_TEST
frank26080115	0:bf7b9fba3924	59	#define GPIO_INT (1<<10)
frank26080115	0:bf7b9fba3924	60	#define POLL_LED (1<<4) // P1.28
frank26080115	0:bf7b9fba3924	61	#endif
frank26080115	0:bf7b9fba3924	62	/************************ PRIVATE VARIABLES ***********************/
frank26080115	0:bf7b9fba3924	63	uint8_t menu1[] =
frank26080115	0:bf7b9fba3924	64	"********************************************************************************\n\r"
frank26080115	0:bf7b9fba3924	65	"Hello NXP Semiconductors \n\r"
frank26080115	0:bf7b9fba3924	66	" ADC burst demo \n\r"
frank26080115	0:bf7b9fba3924	67	"\t - MCU: LPC17xx \n\r"
frank26080115	0:bf7b9fba3924	68	"\t - Core: ARM CORTEX-M3 \n\r"
frank26080115	0:bf7b9fba3924	69	"\t - Communicate via: UART0 - 115200 bps \n\r"
frank26080115	0:bf7b9fba3924	70	" Use ADC with 12-bit resolution rate of 200KHz, running burst mode (single or multiple input)\n\r"
frank26080115	0:bf7b9fba3924	71	" Display ADC value via UART0\n\r"
frank26080115	0:bf7b9fba3924	72	" Turn the potentiometer to see how ADC value changes\n\r"
frank26080115	0:bf7b9fba3924	73	"********************************************************************************\n\r";
frank26080115	0:bf7b9fba3924	74
frank26080115	0:bf7b9fba3924	75	#ifdef MCB_LPC17XX_ADC_INJECT_TEST
frank26080115	0:bf7b9fba3924	76	static BOOL_8 toggle=FALSE;
frank26080115	0:bf7b9fba3924	77	#endif
frank26080115	0:bf7b9fba3924	78	/************************ PRIVATE FUNCTION ***********************/
frank26080115	0:bf7b9fba3924	79	void print_menu(void);
frank26080115	0:bf7b9fba3924	80
frank26080115	0:bf7b9fba3924	81	#ifdef MCB_LPC17XX_ADC_INJECT_TEST
frank26080115	0:bf7b9fba3924	82	void EINT3_IRQHandler(void);
frank26080115	0:bf7b9fba3924	83	#endif
frank26080115	0:bf7b9fba3924	84
frank26080115	0:bf7b9fba3924	85	/----------------- INTERRUPT SERVICE ROUTINES --------------------------/
frank26080115	0:bf7b9fba3924	86	#ifdef MCB_LPC17XX_ADC_INJECT_TEST
frank26080115	0:bf7b9fba3924	87	void EINT3_IRQHandler(void)
frank26080115	0:bf7b9fba3924	88	{
frank26080115	0:bf7b9fba3924	89	if (GPIO_GetIntStatus(1, 10, 1))
frank26080115	0:bf7b9fba3924	90	{
frank26080115	0:bf7b9fba3924	91	GPIO_ClearInt(2,(1<<10));
frank26080115	0:bf7b9fba3924	92	toggle=~toggle;
frank26080115	0:bf7b9fba3924	93	#ifdef MCB_LPC_1768_ADC_BURST_MULTI
frank26080115	0:bf7b9fba3924	94	if(toggle)
frank26080115	0:bf7b9fba3924	95	{
frank26080115	0:bf7b9fba3924	96	ADC_ChannelCmd(LPC_ADC,_ADC_CHANNEL_3,ENABLE);
frank26080115	0:bf7b9fba3924	97	FIO_ByteSetValue(1, 3, POLL_LED);
frank26080115	0:bf7b9fba3924	98	}
frank26080115	0:bf7b9fba3924	99	else
frank26080115	0:bf7b9fba3924	100	{
frank26080115	0:bf7b9fba3924	101	ADC_ChannelCmd(LPC_ADC,_ADC_CHANNEL_3,DISABLE);
frank26080115	0:bf7b9fba3924	102	FIO_ByteClearValue(1, 3, POLL_LED);
frank26080115	0:bf7b9fba3924	103	}
frank26080115	0:bf7b9fba3924	104	#endif
frank26080115	0:bf7b9fba3924	105	}
frank26080115	0:bf7b9fba3924	106	}
frank26080115	0:bf7b9fba3924	107	#endif
frank26080115	0:bf7b9fba3924	108	/-------------------------PRIVATE FUNCTIONS------------------------------/
frank26080115	0:bf7b9fba3924	109	/*******************************************************************//
frank26080115	0:bf7b9fba3924	110	* @brief Print menu
frank26080115	0:bf7b9fba3924	111	* @param[in] None
frank26080115	0:bf7b9fba3924	112	* @return None
frank26080115	0:bf7b9fba3924	113	**********************************************************************/
frank26080115	0:bf7b9fba3924	114	void print_menu(void)
frank26080115	0:bf7b9fba3924	115	{
frank26080115	0:bf7b9fba3924	116	_DBG(menu1);
frank26080115	0:bf7b9fba3924	117	}
frank26080115	0:bf7b9fba3924	118
frank26080115	0:bf7b9fba3924	119
frank26080115	0:bf7b9fba3924	120	/-------------------------MAIN FUNCTION------------------------------/
frank26080115	0:bf7b9fba3924	121	/*******************************************************************//
frank26080115	0:bf7b9fba3924	122	* @brief c_entry: Main ADC program body
frank26080115	0:bf7b9fba3924	123	* @param[in] None
frank26080115	0:bf7b9fba3924	124	* @return int
frank26080115	0:bf7b9fba3924	125	**********************************************************************/
frank26080115	0:bf7b9fba3924	126	int c_entry(void)
frank26080115	0:bf7b9fba3924	127	{
frank26080115	0:bf7b9fba3924	128	PINSEL_CFG_Type PinCfg;
frank26080115	0:bf7b9fba3924	129	#ifdef MCB_LPC_1768_ADC_BURST_MULTI
frank26080115	0:bf7b9fba3924	130	PINSEL_CFG_Type PinCfg1;
frank26080115	0:bf7b9fba3924	131	#endif
frank26080115	0:bf7b9fba3924	132	uint32_t tmp;
frank26080115	0:bf7b9fba3924	133	uint32_t adc_value;
frank26080115	0:bf7b9fba3924	134	/* Initialize debug via UART0
frank26080115	0:bf7b9fba3924	135	* 115200bps
frank26080115	0:bf7b9fba3924	136	* 8 data bit
frank26080115	0:bf7b9fba3924	137	* No parity
frank26080115	0:bf7b9fba3924	138	* 1 stop bit
frank26080115	0:bf7b9fba3924	139	* No flow control
frank26080115	0:bf7b9fba3924	140	*/
frank26080115	0:bf7b9fba3924	141	debug_frmwrk_init();
frank26080115	0:bf7b9fba3924	142
frank26080115	0:bf7b9fba3924	143	// print welcome screen
frank26080115	0:bf7b9fba3924	144	print_menu();
frank26080115	0:bf7b9fba3924	145
frank26080115	0:bf7b9fba3924	146	/* Because the potentiometer on different boards (MCB & IAR) connect
frank26080115	0:bf7b9fba3924	147	* with different ADC channel, so we have to configure correct ADC channel
frank26080115	0:bf7b9fba3924	148	* on each board respectively.
frank26080115	0:bf7b9fba3924	149	* If you want to check other ADC channels, you have to wire this ADC pin directly
frank26080115	0:bf7b9fba3924	150	* to potentiometer pin (please see schematic doc for more reference)
frank26080115	0:bf7b9fba3924	151	*/
frank26080115	0:bf7b9fba3924	152	#ifdef MCB_LPC_1768
frank26080115	0:bf7b9fba3924	153	/*
frank26080115	0:bf7b9fba3924	154	* Init ADC pin connect
frank26080115	0:bf7b9fba3924	155	* AD0.2 on P0.25
frank26080115	0:bf7b9fba3924	156	*/
frank26080115	0:bf7b9fba3924	157	PinCfg.Funcnum = 1;
frank26080115	0:bf7b9fba3924	158	PinCfg.OpenDrain = 0;
frank26080115	0:bf7b9fba3924	159	PinCfg.Pinmode = 0;
frank26080115	0:bf7b9fba3924	160	PinCfg.Pinnum = 25;
frank26080115	0:bf7b9fba3924	161	PinCfg.Portnum = 0;
frank26080115	0:bf7b9fba3924	162	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	163	#ifdef MCB_LPC_1768_ADC_BURST_MULTI
frank26080115	0:bf7b9fba3924	164	/*
frank26080115	0:bf7b9fba3924	165	* Init ADC pin connect
frank26080115	0:bf7b9fba3924	166	* AD0.3 on P0.26
frank26080115	0:bf7b9fba3924	167	*/
frank26080115	0:bf7b9fba3924	168	PinCfg1.Funcnum = 1;
frank26080115	0:bf7b9fba3924	169	PinCfg1.OpenDrain = 0;
frank26080115	0:bf7b9fba3924	170	PinCfg1.Pinmode = 0;
frank26080115	0:bf7b9fba3924	171	PinCfg1.Pinnum = 26;
frank26080115	0:bf7b9fba3924	172	PinCfg1.Portnum = 0;
frank26080115	0:bf7b9fba3924	173	PINSEL_ConfigPin(&PinCfg1);
frank26080115	0:bf7b9fba3924	174	#endif
frank26080115	0:bf7b9fba3924	175	#elif defined (IAR_LPC_1768)
frank26080115	0:bf7b9fba3924	176	/* select P1.31 as AD0.5 */
frank26080115	0:bf7b9fba3924	177	PinCfg.Funcnum = 3;
frank26080115	0:bf7b9fba3924	178	PinCfg.OpenDrain = 0;
frank26080115	0:bf7b9fba3924	179	PinCfg.Pinmode = 0;
frank26080115	0:bf7b9fba3924	180	PinCfg.Pinnum = 31;
frank26080115	0:bf7b9fba3924	181	PinCfg.Portnum = 1;
frank26080115	0:bf7b9fba3924	182	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	183	#endif
frank26080115	0:bf7b9fba3924	184
frank26080115	0:bf7b9fba3924	185
frank26080115	0:bf7b9fba3924	186	/* Configuration for ADC:
frank26080115	0:bf7b9fba3924	187	* select: ADC channel 2 (if using MCB1700 board)
frank26080115	0:bf7b9fba3924	188	* ADC channel 5 (if using IAR-LPC1768 board)
frank26080115	0:bf7b9fba3924	189	* ADC conversion rate = 200KHz
frank26080115	0:bf7b9fba3924	190	*/
frank26080115	0:bf7b9fba3924	191	ADC_Init(LPC_ADC, 200000);
frank26080115	0:bf7b9fba3924	192	ADC_ChannelCmd(LPC_ADC,_ADC_CHANNEL,ENABLE);
frank26080115	0:bf7b9fba3924	193	#ifdef MCB_LPC_1768_ADC_BURST_MULTI
frank26080115	0:bf7b9fba3924	194	ADC_ChannelCmd(LPC_ADC,_ADC_CHANNEL_3,ENABLE);
frank26080115	0:bf7b9fba3924	195	#endif
frank26080115	0:bf7b9fba3924	196
frank26080115	0:bf7b9fba3924	197	#ifdef MCB_LPC17XX_ADC_INJECT_TEST
frank26080115	0:bf7b9fba3924	198	FIO_ByteSetDir(1, 3, POLL_LED, 1);
frank26080115	0:bf7b9fba3924	199	FIO_ByteClearValue(1, 3, POLL_LED);
frank26080115	0:bf7b9fba3924	200	// Enable GPIO interrupt P2.10
frank26080115	0:bf7b9fba3924	201	GPIO_IntCmd(2,(1<<10),1);
frank26080115	0:bf7b9fba3924	202	NVIC_EnableIRQ(EINT3_IRQn);
frank26080115	0:bf7b9fba3924	203	#endif
frank26080115	0:bf7b9fba3924	204
frank26080115	0:bf7b9fba3924	205	//Start burst conversion
frank26080115	0:bf7b9fba3924	206	ADC_BurstCmd(LPC_ADC,ENABLE);
frank26080115	0:bf7b9fba3924	207	while(1)
frank26080115	0:bf7b9fba3924	208	{
frank26080115	0:bf7b9fba3924	209	#ifdef MCB_LPC_1768
frank26080115	0:bf7b9fba3924	210	adc_value = ADC_ChannelGetData(LPC_ADC,ADC_CHANNEL_2);
frank26080115	0:bf7b9fba3924	211	_DBG("ADC value on channel 2: ");
frank26080115	0:bf7b9fba3924	212	#elif defined (IAR_LPC_1768)
frank26080115	0:bf7b9fba3924	213	adc_value = ADC_ChannelGetData(LPC_ADC,ADC_CHANNEL_5);
frank26080115	0:bf7b9fba3924	214	_DBG("ADC value on channel 5: ");
frank26080115	0:bf7b9fba3924	215	#endif
frank26080115	0:bf7b9fba3924	216	_DBD32(adc_value);
frank26080115	0:bf7b9fba3924	217	_DBG_("");
frank26080115	0:bf7b9fba3924	218	#ifdef MCB_LPC_1768_ADC_BURST_MULTI
frank26080115	0:bf7b9fba3924	219	adc_value = ADC_ChannelGetData(LPC_ADC,ADC_CHANNEL_3);
frank26080115	0:bf7b9fba3924	220	_DBG("ADC value on channel 3: ");
frank26080115	0:bf7b9fba3924	221	_DBD32(adc_value);
frank26080115	0:bf7b9fba3924	222	_DBG_("");
frank26080115	0:bf7b9fba3924	223	#endif
frank26080115	0:bf7b9fba3924	224	// Wait for a while
frank26080115	0:bf7b9fba3924	225	for(tmp = 0; tmp < 1500000; tmp++);
frank26080115	0:bf7b9fba3924	226	}
frank26080115	0:bf7b9fba3924	227	ADC_DeInit(LPC_ADC);
frank26080115	0:bf7b9fba3924	228	return (0);
frank26080115	0:bf7b9fba3924	229	}
frank26080115	0:bf7b9fba3924	230
frank26080115	0:bf7b9fba3924	231	/* Support required entry point for other toolchain */
frank26080115	0:bf7b9fba3924	232	int main (void)
frank26080115	0:bf7b9fba3924	233	{
frank26080115	0:bf7b9fba3924	234	return c_entry();
frank26080115	0:bf7b9fba3924	235	}
frank26080115	0:bf7b9fba3924	236	#ifdef DEBUG
frank26080115	0:bf7b9fba3924	237	/*******************************************************************************
frank26080115	0:bf7b9fba3924	238	* @brief Reports the name of the source file and the source line number
frank26080115	0:bf7b9fba3924	239	* where the CHECK_PARAM error has occurred.
frank26080115	0:bf7b9fba3924	240	* @param[in] file Pointer to the source file name
frank26080115	0:bf7b9fba3924	241	* @param[in] line assert_param error line source number
frank26080115	0:bf7b9fba3924	242	* @return None
frank26080115	0:bf7b9fba3924	243	*******************************************************************************/
frank26080115	0:bf7b9fba3924	244	void check_failed(uint8_t *file, uint32_t line)
frank26080115	0:bf7b9fba3924	245	{
frank26080115	0:bf7b9fba3924	246	/* User can add his own implementation to report the file name and line number,
frank26080115	0:bf7b9fba3924	247	ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
frank26080115	0:bf7b9fba3924	248
frank26080115	0:bf7b9fba3924	249	/* Infinite loop */
frank26080115	0:bf7b9fba3924	250	while(1);
frank26080115	0:bf7b9fba3924	251	}
frank26080115	0:bf7b9fba3924	252	#endif
frank26080115	0:bf7b9fba3924	253
frank26080115	0:bf7b9fba3924	254	/*
frank26080115	0:bf7b9fba3924	255	* @}
frank26080115	0:bf7b9fba3924	256	*/

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Type:	Program
Created:	20 Mar 2011
Imports:	199
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	7

ADC/Burst/adc_burst_test.c@0:bf7b9fba3924, 2011-03-20 (annotated)

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