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xeye_ atsu / Mbed 2 deprecated I2S_AIC23B_32khz_wavtest

I2S_Example/i2s_irq_test.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 i2s_irq_test.c
lynxeyed_atsu	0:63ed631d8c3a	3	* @purpose This example describes how to use I2S transfer in interrupt
lynxeyed_atsu	0:63ed631d8c3a	4	* mode
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	#include "lpc17xx_i2s.h"
lynxeyed_atsu	0:63ed631d8c3a	21	#include "lpc17xx_libcfg.h"
lynxeyed_atsu	0:63ed631d8c3a	22	#include "lpc17xx_pinsel.h"
lynxeyed_atsu	0:63ed631d8c3a	23	#include "debug_frmwrk.h"
lynxeyed_atsu	0:63ed631d8c3a	24	#include "lpc17xx_clkpwr.h"
lynxeyed_atsu	0:63ed631d8c3a	25	#include "i2s_irq_test.h"
lynxeyed_atsu	0:63ed631d8c3a	26	#include "mbed.h"
lynxeyed_atsu	0:63ed631d8c3a	27
lynxeyed_atsu	0:63ed631d8c3a	28
lynxeyed_atsu	0:63ed631d8c3a	29
lynxeyed_atsu	0:63ed631d8c3a	30	/* Example group ----------------------------------------------------------- */
lynxeyed_atsu	0:63ed631d8c3a	31	/** @defgroup I2S_IRQ I2S_IRQ
lynxeyed_atsu	0:63ed631d8c3a	32	* @ingroup I2S_Examples
lynxeyed_atsu	0:63ed631d8c3a	33	* @{
lynxeyed_atsu	0:63ed631d8c3a	34	*/
lynxeyed_atsu	0:63ed631d8c3a	35
lynxeyed_atsu	0:63ed631d8c3a	36
lynxeyed_atsu	0:63ed631d8c3a	37	/************************ PRIVATE VARIABLES *********************/
lynxeyed_atsu	0:63ed631d8c3a	38	uint8_t menu[]=
lynxeyed_atsu	0:63ed631d8c3a	39	"********************************************************************************\n\r"
lynxeyed_atsu	0:63ed631d8c3a	40	"Hello NXP Semiconductors \n\r"
lynxeyed_atsu	0:63ed631d8c3a	41	" I2S interrupt mode demo \n\r"
lynxeyed_atsu	0:63ed631d8c3a	42	"\t - MCU: mbed-005.1 LPC1768 \n\r"
lynxeyed_atsu	0:63ed631d8c3a	43	"\t - Core: ARM CORTEX-M3 \n\r"
lynxeyed_atsu	0:63ed631d8c3a	44	"\t - Communicate via: UART0 - 9600 bps \n\r"
lynxeyed_atsu	0:63ed631d8c3a	45	" Use two I2S channels in the same board to transfer data in interrupt mode\n\r"
lynxeyed_atsu	0:63ed631d8c3a	46	"********************************************************************************\n\r";
lynxeyed_atsu	0:63ed631d8c3a	47
lynxeyed_atsu	0:63ed631d8c3a	48	volatile uint8_t I2STXDone = 0;
lynxeyed_atsu	0:63ed631d8c3a	49	volatile uint8_t I2SRXDone = 0;
lynxeyed_atsu	0:63ed631d8c3a	50
lynxeyed_atsu	0:63ed631d8c3a	51	volatile uint32_t I2STXBuffer = (uint32_t)(I2S_BUFFER_SRC);
lynxeyed_atsu	0:63ed631d8c3a	52	volatile uint32_t I2SRXBuffer = (uint32_t )(I2S_BUFFER_DST);
lynxeyed_atsu	0:63ed631d8c3a	53
lynxeyed_atsu	0:63ed631d8c3a	54	volatile uint32_t I2SReadLength = 0;
lynxeyed_atsu	0:63ed631d8c3a	55	volatile uint32_t I2SWriteLength = 0;
lynxeyed_atsu	0:63ed631d8c3a	56
lynxeyed_atsu	0:63ed631d8c3a	57	uint8_t tx_depth_irq = 0;
lynxeyed_atsu	0:63ed631d8c3a	58	uint8_t rx_depth_irq = 0;
lynxeyed_atsu	0:63ed631d8c3a	59	uint8_t dummy=0;
lynxeyed_atsu	0:63ed631d8c3a	60
lynxeyed_atsu	0:63ed631d8c3a	61
lynxeyed_atsu	0:63ed631d8c3a	62	/************************ PRIVATE FUNCTIONS ***********************/
lynxeyed_atsu	0:63ed631d8c3a	63	void I2S_IRQHandler(void);
lynxeyed_atsu	0:63ed631d8c3a	64
lynxeyed_atsu	0:63ed631d8c3a	65	void Buffer_Init(void);
lynxeyed_atsu	0:63ed631d8c3a	66	Bool Buffer_Verify(void);
lynxeyed_atsu	0:63ed631d8c3a	67
lynxeyed_atsu	0:63ed631d8c3a	68
lynxeyed_atsu	0:63ed631d8c3a	69	/----------------- INTERRUPT SERVICE ROUTINES --------------------------/
lynxeyed_atsu	0:63ed631d8c3a	70	/*******************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	71	* @brief I2S IRQ Handler
lynxeyed_atsu	0:63ed631d8c3a	72	* @param[in] None
lynxeyed_atsu	0:63ed631d8c3a	73	* @return None
lynxeyed_atsu	0:63ed631d8c3a	74	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	75	/*void I2S_IRQHandler()
lynxeyed_atsu	0:63ed631d8c3a	76	{
lynxeyed_atsu	0:63ed631d8c3a	77	uint32_t RXLevel = 0;
lynxeyed_atsu	0:63ed631d8c3a	78
lynxeyed_atsu	0:63ed631d8c3a	79	//Check RX interrupt
lynxeyed_atsu	0:63ed631d8c3a	80	if(I2S_GetIRQStatus(LPC_I2S, I2S_RX_MODE))
lynxeyed_atsu	0:63ed631d8c3a	81	{
lynxeyed_atsu	0:63ed631d8c3a	82	RXLevel = I2S_GetLevel(LPC_I2S, I2S_RX_MODE);
lynxeyed_atsu	0:63ed631d8c3a	83	if ( (RXLevel != RXFIFO_EMPTY) && !I2SRXDone )
lynxeyed_atsu	0:63ed631d8c3a	84	{
lynxeyed_atsu	0:63ed631d8c3a	85	while ( RXLevel > 0 )
lynxeyed_atsu	0:63ed631d8c3a	86	{
lynxeyed_atsu	0:63ed631d8c3a	87	if ( I2SReadLength == BUFFER_SIZE )
lynxeyed_atsu	0:63ed631d8c3a	88	{
lynxeyed_atsu	0:63ed631d8c3a	89	//Stop RX
lynxeyed_atsu	0:63ed631d8c3a	90	I2S_Stop(LPC_I2S, I2S_RX_MODE);
lynxeyed_atsu	0:63ed631d8c3a	91	// Disable RX
lynxeyed_atsu	0:63ed631d8c3a	92	I2S_IRQCmd(LPC_I2S, I2S_RX_MODE, DISABLE);
lynxeyed_atsu	0:63ed631d8c3a	93	I2SRXDone = 1;
lynxeyed_atsu	0:63ed631d8c3a	94	break;
lynxeyed_atsu	0:63ed631d8c3a	95	}
lynxeyed_atsu	0:63ed631d8c3a	96	else
lynxeyed_atsu	0:63ed631d8c3a	97	{
lynxeyed_atsu	0:63ed631d8c3a	98	I2SRXBuffer[I2SReadLength++] = LPC_I2S->I2SRXFIFO;
lynxeyed_atsu	0:63ed631d8c3a	99	}
lynxeyed_atsu	0:63ed631d8c3a	100	RXLevel--;
lynxeyed_atsu	0:63ed631d8c3a	101	}
lynxeyed_atsu	0:63ed631d8c3a	102	}
lynxeyed_atsu	0:63ed631d8c3a	103	}
lynxeyed_atsu	0:63ed631d8c3a	104	return;
lynxeyed_atsu	0:63ed631d8c3a	105	}
lynxeyed_atsu	0:63ed631d8c3a	106	*/
lynxeyed_atsu	0:63ed631d8c3a	107	/-------------------------PRIVATE FUNCTIONS------------------------------/
lynxeyed_atsu	0:63ed631d8c3a	108	/*******************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	109	* @brief Initialize buffer
lynxeyed_atsu	0:63ed631d8c3a	110	* @param[in] None
lynxeyed_atsu	0:63ed631d8c3a	111	* @return None
lynxeyed_atsu	0:63ed631d8c3a	112	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	113	void Buffer_Init(void) {
lynxeyed_atsu	0:63ed631d8c3a	114	uint32_t i;
lynxeyed_atsu	0:63ed631d8c3a	115	for ( i = 0; i < BUFFER_SIZE; i++ )
lynxeyed_atsu	0:63ed631d8c3a	116	{
lynxeyed_atsu	0:63ed631d8c3a	117	I2STXBuffer[i] = i \|(i << 16);
lynxeyed_atsu	0:63ed631d8c3a	118	I2SRXBuffer[i] = 0;
lynxeyed_atsu	0:63ed631d8c3a	119	}
lynxeyed_atsu	0:63ed631d8c3a	120
lynxeyed_atsu	0:63ed631d8c3a	121	}
lynxeyed_atsu	0:63ed631d8c3a	122
lynxeyed_atsu	0:63ed631d8c3a	123	/-------------------------MAIN FUNCTION------------------------------/
lynxeyed_atsu	0:63ed631d8c3a	124	/*******************************************************************//
lynxeyed_atsu	0:63ed631d8c3a	125	* @brief mbed_i2s_init: Main program body
lynxeyed_atsu	0:63ed631d8c3a	126	* @param[in] None
lynxeyed_atsu	0:63ed631d8c3a	127	* @return int
lynxeyed_atsu	0:63ed631d8c3a	128	**********************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	129	// for mbed
lynxeyed_atsu	0:63ed631d8c3a	130	void mbed_i2s_init(void){
lynxeyed_atsu	0:63ed631d8c3a	131
lynxeyed_atsu	0:63ed631d8c3a	132	I2S_MODEConf_Type I2S_ClkConfig;
lynxeyed_atsu	0:63ed631d8c3a	133	I2S_CFG_Type I2S_ConfigStruct;
lynxeyed_atsu	0:63ed631d8c3a	134	PINSEL_CFG_Type PinCfg;
lynxeyed_atsu	0:63ed631d8c3a	135	// uint32_t i;
lynxeyed_atsu	0:63ed631d8c3a	136	/* Initialize debug via UART0
lynxeyed_atsu	0:63ed631d8c3a	137	* ? 115200bps
lynxeyed_atsu	0:63ed631d8c3a	138	* ? 8 data bit
lynxeyed_atsu	0:63ed631d8c3a	139	* ? No parity
lynxeyed_atsu	0:63ed631d8c3a	140	* ? 1 stop bit
lynxeyed_atsu	0:63ed631d8c3a	141	* ? No flow control
lynxeyed_atsu	0:63ed631d8c3a	142	*/
lynxeyed_atsu	0:63ed631d8c3a	143	debug_frmwrk_init();
lynxeyed_atsu	0:63ed631d8c3a	144
lynxeyed_atsu	0:63ed631d8c3a	145	//print menu screen
lynxeyed_atsu	0:63ed631d8c3a	146	//print_menu();
lynxeyed_atsu	0:63ed631d8c3a	147
lynxeyed_atsu	0:63ed631d8c3a	148	/* Initialize I2S peripheral ------------------------------------*/
lynxeyed_atsu	0:63ed631d8c3a	149	/* Pin configuration:
lynxeyed_atsu	0:63ed631d8c3a	150	* Assign: - P0.4 as I2SRX_CLK
lynxeyed_atsu	0:63ed631d8c3a	151	* - P0.5 as I2SRX_WS
lynxeyed_atsu	0:63ed631d8c3a	152	* - P0.6 as I2SRX_SDA
lynxeyed_atsu	0:63ed631d8c3a	153	* - P0.7 as I2STX_CLK
lynxeyed_atsu	0:63ed631d8c3a	154	* - P0.8 as I2STX_WS
lynxeyed_atsu	0:63ed631d8c3a	155	* - P0.9 as I2STX_SDA
lynxeyed_atsu	0:63ed631d8c3a	156	*/
lynxeyed_atsu	0:63ed631d8c3a	157
lynxeyed_atsu	0:63ed631d8c3a	158
lynxeyed_atsu	0:63ed631d8c3a	159
lynxeyed_atsu	0:63ed631d8c3a	160	PinCfg.Funcnum = 1;
lynxeyed_atsu	0:63ed631d8c3a	161	PinCfg.OpenDrain = 0;
lynxeyed_atsu	0:63ed631d8c3a	162	PinCfg.Pinmode = 0;
lynxeyed_atsu	0:63ed631d8c3a	163	PinCfg.Pinnum = 4;
lynxeyed_atsu	0:63ed631d8c3a	164	PinCfg.Portnum = 0;
lynxeyed_atsu	0:63ed631d8c3a	165	PINSEL_ConfigPin(&PinCfg);
lynxeyed_atsu	0:63ed631d8c3a	166	PinCfg.Pinnum = 5;
lynxeyed_atsu	0:63ed631d8c3a	167	PINSEL_ConfigPin(&PinCfg);
lynxeyed_atsu	0:63ed631d8c3a	168	PinCfg.Pinnum = 6;
lynxeyed_atsu	0:63ed631d8c3a	169	PINSEL_ConfigPin(&PinCfg);
lynxeyed_atsu	0:63ed631d8c3a	170	PinCfg.Pinnum = 7;
lynxeyed_atsu	0:63ed631d8c3a	171	PINSEL_ConfigPin(&PinCfg);
lynxeyed_atsu	0:63ed631d8c3a	172	PinCfg.Pinnum = 8;
lynxeyed_atsu	0:63ed631d8c3a	173	PINSEL_ConfigPin(&PinCfg);
lynxeyed_atsu	0:63ed631d8c3a	174	PinCfg.Pinnum = 9;
lynxeyed_atsu	0:63ed631d8c3a	175	PINSEL_ConfigPin(&PinCfg);
lynxeyed_atsu	0:63ed631d8c3a	176
lynxeyed_atsu	0:63ed631d8c3a	177	Buffer_Init();
lynxeyed_atsu	0:63ed631d8c3a	178	I2S_Init(LPC_I2S);
lynxeyed_atsu	0:63ed631d8c3a	179
lynxeyed_atsu	0:63ed631d8c3a	180	/* setup:
lynxeyed_atsu	0:63ed631d8c3a	181	* - wordwidth: 16 bits
lynxeyed_atsu	0:63ed631d8c3a	182	* - stereo mode
lynxeyed_atsu	0:63ed631d8c3a	183	* - master mode for I2S_TX and slave for I2S_RX
lynxeyed_atsu	0:63ed631d8c3a	184	* - ws_halfperiod is 31
lynxeyed_atsu	0:63ed631d8c3a	185	* - not use mute mode
lynxeyed_atsu	0:63ed631d8c3a	186	* - use reset and stop mode
lynxeyed_atsu	0:63ed631d8c3a	187	* - select the fractional rate divider clock output as the source,
lynxeyed_atsu	0:63ed631d8c3a	188	* - disable 4-pin mode
lynxeyed_atsu	0:63ed631d8c3a	189	* - MCLK ouput is disable
lynxeyed_atsu	0:63ed631d8c3a	190	* - Frequency = 44.1 kHz
lynxeyed_atsu	0:63ed631d8c3a	191	* Because we use mode I2STXMODE[3:0]= 0000, I2SDAO[5]=0 and
lynxeyed_atsu	0:63ed631d8c3a	192	* I2SRX[3:0]=0000, I2SDAI[5] = 1. So we have I2SRX_CLK = I2STX_CLK
lynxeyed_atsu	0:63ed631d8c3a	193	* --> I2SRXBITRATE = 1 (not divide TXCLK to produce RXCLK)
lynxeyed_atsu	0:63ed631d8c3a	194	*/
lynxeyed_atsu	0:63ed631d8c3a	195
lynxeyed_atsu	0:63ed631d8c3a	196	/* Audio Config*/
lynxeyed_atsu	0:63ed631d8c3a	197	I2S_ConfigStruct.wordwidth = I2S_WORDWIDTH_16;
lynxeyed_atsu	0:63ed631d8c3a	198	I2S_ConfigStruct.mono = I2S_STEREO;
lynxeyed_atsu	0:63ed631d8c3a	199	I2S_ConfigStruct.stop = I2S_STOP_ENABLE;
lynxeyed_atsu	0:63ed631d8c3a	200	I2S_ConfigStruct.reset = I2S_RESET_ENABLE;
lynxeyed_atsu	0:63ed631d8c3a	201	I2S_ConfigStruct.ws_sel = I2S_SLAVE_MODE;
lynxeyed_atsu	0:63ed631d8c3a	202	I2S_ConfigStruct.mute = I2S_MUTE_DISABLE;
lynxeyed_atsu	0:63ed631d8c3a	203	I2S_Config(LPC_I2S,I2S_TX_MODE,&I2S_ConfigStruct);
lynxeyed_atsu	0:63ed631d8c3a	204
lynxeyed_atsu	0:63ed631d8c3a	205	I2S_ConfigStruct.ws_sel = I2S_SLAVE_MODE;
lynxeyed_atsu	0:63ed631d8c3a	206	I2S_Config(LPC_I2S,I2S_RX_MODE,&I2S_ConfigStruct);
lynxeyed_atsu	0:63ed631d8c3a	207
lynxeyed_atsu	0:63ed631d8c3a	208	/* Clock Mode Config*/
lynxeyed_atsu	0:63ed631d8c3a	209	CLKPWR_SetPCLKDiv(CLKPWR_PCLKSEL_I2S,CLKPWR_PCLKSEL_CCLK_DIV_4);
lynxeyed_atsu	0:63ed631d8c3a	210
lynxeyed_atsu	0:63ed631d8c3a	211	I2S_ClkConfig.clksel = I2S_CLKSEL_FRDCLK;
lynxeyed_atsu	0:63ed631d8c3a	212	I2S_ClkConfig.fpin = I2S_4PIN_DISABLE;
lynxeyed_atsu	0:63ed631d8c3a	213	I2S_ClkConfig.mcena = I2S_MCLK_DISABLE;
lynxeyed_atsu	0:63ed631d8c3a	214	I2S_ModeConfig(LPC_I2S,&I2S_ClkConfig,I2S_TX_MODE);
lynxeyed_atsu	0:63ed631d8c3a	215	I2S_ModeConfig(LPC_I2S,&I2S_ClkConfig,I2S_RX_MODE);
lynxeyed_atsu	0:63ed631d8c3a	216
lynxeyed_atsu	0:63ed631d8c3a	217
lynxeyed_atsu	0:63ed631d8c3a	218	//I2S_FreqConfig(LPC_I2S, (uint16_t)44100, I2S_TX_MODE);
lynxeyed_atsu	0:63ed631d8c3a	219	I2S_SetBitRate(LPC_I2S, 0, I2S_TX_MODE); //FOR SLAVE MODE TX
lynxeyed_atsu	0:63ed631d8c3a	220	I2S_SetBitRate(LPC_I2S, 0, I2S_RX_MODE);
lynxeyed_atsu	0:63ed631d8c3a	221
lynxeyed_atsu	0:63ed631d8c3a	222	I2S_Stop(LPC_I2S, I2S_TX_MODE);
lynxeyed_atsu	0:63ed631d8c3a	223	I2S_Stop(LPC_I2S, I2S_RX_MODE);
lynxeyed_atsu	0:63ed631d8c3a	224
lynxeyed_atsu	0:63ed631d8c3a	225
lynxeyed_atsu	0:63ed631d8c3a	226
lynxeyed_atsu	0:63ed631d8c3a	227
lynxeyed_atsu	0:63ed631d8c3a	228	NVIC_EnableIRQ(I2S_IRQn);
lynxeyed_atsu	0:63ed631d8c3a	229
lynxeyed_atsu	0:63ed631d8c3a	230	/* RX FIFO depth is 1, TX FIFO depth is 8. */
lynxeyed_atsu	0:63ed631d8c3a	231	I2S_IRQConfig(LPC_I2S,I2S_TX_MODE,8);
lynxeyed_atsu	0:63ed631d8c3a	232	I2S_IRQConfig(LPC_I2S,I2S_RX_MODE,1);
lynxeyed_atsu	0:63ed631d8c3a	233	//I2S_IRQCmd(LPC_I2S,I2S_TX_MODE,ENABLE);
lynxeyed_atsu	0:63ed631d8c3a	234
lynxeyed_atsu	0:63ed631d8c3a	235
lynxeyed_atsu	0:63ed631d8c3a	236
lynxeyed_atsu	0:63ed631d8c3a	237
lynxeyed_atsu	0:63ed631d8c3a	238
lynxeyed_atsu	0:63ed631d8c3a	239	I2S_Start(LPC_I2S);
lynxeyed_atsu	0:63ed631d8c3a	240
lynxeyed_atsu	0:63ed631d8c3a	241	}
lynxeyed_atsu	0:63ed631d8c3a	242
lynxeyed_atsu	0:63ed631d8c3a	243
lynxeyed_atsu	0:63ed631d8c3a	244
lynxeyed_atsu	0:63ed631d8c3a	245
lynxeyed_atsu	0:63ed631d8c3a	246
lynxeyed_atsu	0:63ed631d8c3a	247
lynxeyed_atsu	0:63ed631d8c3a	248
lynxeyed_atsu	0:63ed631d8c3a	249
lynxeyed_atsu	0:63ed631d8c3a	250
lynxeyed_atsu	0:63ed631d8c3a	251
lynxeyed_atsu	0:63ed631d8c3a	252
lynxeyed_atsu	0:63ed631d8c3a	253	#ifdef DEBUG
lynxeyed_atsu	0:63ed631d8c3a	254	/*******************************************************************************
lynxeyed_atsu	0:63ed631d8c3a	255	* @brief Reports the name of the source file and the source line number
lynxeyed_atsu	0:63ed631d8c3a	256	* where the CHECK_PARAM error has occurred.
lynxeyed_atsu	0:63ed631d8c3a	257	* @param[in] file Pointer to the source file name
lynxeyed_atsu	0:63ed631d8c3a	258	* @param[in] line assert_param error line source number
lynxeyed_atsu	0:63ed631d8c3a	259	* @return None
lynxeyed_atsu	0:63ed631d8c3a	260	*******************************************************************************/
lynxeyed_atsu	0:63ed631d8c3a	261	void check_failed(uint8_t *file, uint32_t line)
lynxeyed_atsu	0:63ed631d8c3a	262	{
lynxeyed_atsu	0:63ed631d8c3a	263	/* User can add his own implementation to report the file name and line number,
lynxeyed_atsu	0:63ed631d8c3a	264	ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
lynxeyed_atsu	0:63ed631d8c3a	265
lynxeyed_atsu	0:63ed631d8c3a	266	/* Infinite loop */
lynxeyed_atsu	0:63ed631d8c3a	267	while(1);
lynxeyed_atsu	0:63ed631d8c3a	268	}
lynxeyed_atsu	0:63ed631d8c3a	269	#endif
lynxeyed_atsu	0:63ed631d8c3a	270
lynxeyed_atsu	0:63ed631d8c3a	271	/*
lynxeyed_atsu	0:63ed631d8c3a	272	* @}
lynxeyed_atsu	0:63ed631d8c3a	273	*/

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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/i2s_irq_test.c@0:63ed631d8c3a, 2011-01-21 (annotated)

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