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

Users » frank26080115 » Code » LPC1700CMSIS_Examples

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

I2C/sc16is750_polling/i2c_polling_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	/*********************************************************************//
frank26080115	0:bf7b9fba3924	2	* @file i2c_polling_test.c
frank26080115	0:bf7b9fba3924	3	* @purpose An example of I2C using polling mode to test the I2C driver.
frank26080115	0:bf7b9fba3924	4	* Using I2C at mode I2C master/8bit on LPC1766 to communicate with
frank26080115	0:bf7b9fba3924	5	* SC16IS750/760 Demo Board
frank26080115	0:bf7b9fba3924	6	* @version 2.0
frank26080115	0:bf7b9fba3924	7	* @date 21. May. 2010
frank26080115	0:bf7b9fba3924	8	* @author NXP MCU SW Application Team
frank26080115	0:bf7b9fba3924	9	*---------------------------------------------------------------------
frank26080115	0:bf7b9fba3924	10	* Software that is described herein is for illustrative purposes only
frank26080115	0:bf7b9fba3924	11	* which provides customers with programming information regarding the
frank26080115	0:bf7b9fba3924	12	* products. This software is supplied "AS IS" without any warranties.
frank26080115	0:bf7b9fba3924	13	* NXP Semiconductors assumes no responsibility or liability for the
frank26080115	0:bf7b9fba3924	14	* use of the software, conveys no license or title under any patent,
frank26080115	0:bf7b9fba3924	15	* copyright, or mask work right to the product. NXP Semiconductors
frank26080115	0:bf7b9fba3924	16	* reserves the right to make changes in the software without
frank26080115	0:bf7b9fba3924	17	* notification. NXP Semiconductors also make no representation or
frank26080115	0:bf7b9fba3924	18	* warranty that such application will be suitable for the specified
frank26080115	0:bf7b9fba3924	19	* use without further testing or modification.
frank26080115	0:bf7b9fba3924	20	**********************************************************************/
frank26080115	0:bf7b9fba3924	21	#include "lpc17xx_i2c.h"
frank26080115	0:bf7b9fba3924	22	#include "lpc17xx_libcfg.h"
frank26080115	0:bf7b9fba3924	23	#include "lpc17xx_pinsel.h"
frank26080115	0:bf7b9fba3924	24	#include "debug_frmwrk.h"
frank26080115	0:bf7b9fba3924	25
frank26080115	0:bf7b9fba3924	26	/* Example group ----------------------------------------------------------- */
frank26080115	0:bf7b9fba3924	27	/** @defgroup I2C_sc16is750_polling sc16is750_polling
frank26080115	0:bf7b9fba3924	28	* @ingroup I2C_Examples
frank26080115	0:bf7b9fba3924	29	* @{
frank26080115	0:bf7b9fba3924	30	*/
frank26080115	0:bf7b9fba3924	31
frank26080115	0:bf7b9fba3924	32	/************************ PRIVATE DEFINITIONS ***********************/
frank26080115	0:bf7b9fba3924	33	/** Used I2C device definition, should be 0 or 2 */
frank26080115	0:bf7b9fba3924	34	#define USEDI2CDEV 0
frank26080115	0:bf7b9fba3924	35
frank26080115	0:bf7b9fba3924	36	/* Definition of internal register of SC16IS750/760 */
frank26080115	0:bf7b9fba3924	37	#define IODIR 0x0A
frank26080115	0:bf7b9fba3924	38	#define IOSTATE 0x0B
frank26080115	0:bf7b9fba3924	39	#define IOCON 0x0E
frank26080115	0:bf7b9fba3924	40	#define SLVADDR (0x90>>1)
frank26080115	0:bf7b9fba3924	41	#define REGS_ADDR(n) (n<<3)
frank26080115	0:bf7b9fba3924	42
frank26080115	0:bf7b9fba3924	43	#if (USEDI2CDEV == 0)
frank26080115	0:bf7b9fba3924	44	#define I2CDEV LPC_I2C0
frank26080115	0:bf7b9fba3924	45	#elif (USEDI2CDEV == 2)
frank26080115	0:bf7b9fba3924	46	#define I2CDEV LPC_I2C2
frank26080115	0:bf7b9fba3924	47	#else
frank26080115	0:bf7b9fba3924	48	#error "I2C device not defined!"
frank26080115	0:bf7b9fba3924	49	#endif
frank26080115	0:bf7b9fba3924	50
frank26080115	0:bf7b9fba3924	51	/************************ PRIVATE VARIABLES ***********************/
frank26080115	0:bf7b9fba3924	52	uint8_t menu1[] =
frank26080115	0:bf7b9fba3924	53	"********************************************************************************\n\r"
frank26080115	0:bf7b9fba3924	54	"Hello NXP Semiconductors \n\r"
frank26080115	0:bf7b9fba3924	55	"I2C demo \n\r"
frank26080115	0:bf7b9fba3924	56	"\t - MCU: LPC17xx \n\r"
frank26080115	0:bf7b9fba3924	57	"\t - Core: ARM Cortex-M3 \n\r"
frank26080115	0:bf7b9fba3924	58	"\t - Communicate via: UART0 - 115.2 kbps \n\r"
frank26080115	0:bf7b9fba3924	59	" An example of I2C using polling mode to test the I2C driver \n\r"
frank26080115	0:bf7b9fba3924	60	" Using I2C at mode I2C master/8bit on LPC1766 to communicate with \n\r"
frank26080115	0:bf7b9fba3924	61	" SC16IS750/760 Demo Board \n\r"
frank26080115	0:bf7b9fba3924	62	" Press '1' to turn ON, '2' to turn OFF LEDs \n\r"
frank26080115	0:bf7b9fba3924	63	"********************************************************************************\n\r";
frank26080115	0:bf7b9fba3924	64	uint8_t menu2[] = "Demo terminated! \n\r";
frank26080115	0:bf7b9fba3924	65
frank26080115	0:bf7b9fba3924	66	/* Define array data with match data to set internal register value of SC16IS740/750/760 */
frank26080115	0:bf7b9fba3924	67	uint8_t iocon_cfg[2] = {REGS_ADDR(IOCON), 0x00};
frank26080115	0:bf7b9fba3924	68	uint8_t iodir_cfg[2] = {REGS_ADDR(IODIR), 0xFF};
frank26080115	0:bf7b9fba3924	69	uint8_t iostate_cfg_0[2] = {REGS_ADDR(IOSTATE), 0x00};
frank26080115	0:bf7b9fba3924	70	uint8_t iostate_cfg_1[2] = {REGS_ADDR(IOSTATE), 0xFF};
frank26080115	0:bf7b9fba3924	71
frank26080115	0:bf7b9fba3924	72
frank26080115	0:bf7b9fba3924	73	/************************ PRIVATE FUNCTIONS ***********************/
frank26080115	0:bf7b9fba3924	74	void print_menu(void);
frank26080115	0:bf7b9fba3924	75	void Error_Loop(uint32_t ErrorCode);
frank26080115	0:bf7b9fba3924	76
frank26080115	0:bf7b9fba3924	77	/-------------------------PRIVATE FUNCTIONS------------------------------/
frank26080115	0:bf7b9fba3924	78	/*******************************************************************//
frank26080115	0:bf7b9fba3924	79	* @brief Print Welcome menu
frank26080115	0:bf7b9fba3924	80	* @param[in] none
frank26080115	0:bf7b9fba3924	81	* @return None
frank26080115	0:bf7b9fba3924	82	**********************************************************************/
frank26080115	0:bf7b9fba3924	83	void print_menu(void)
frank26080115	0:bf7b9fba3924	84	{
frank26080115	0:bf7b9fba3924	85	_DBG_(menu1);
frank26080115	0:bf7b9fba3924	86	}
frank26080115	0:bf7b9fba3924	87
frank26080115	0:bf7b9fba3924	88
frank26080115	0:bf7b9fba3924	89	/*******************************************************************//
frank26080115	0:bf7b9fba3924	90	* @brief A subroutine that will be called if there's any error
frank26080115	0:bf7b9fba3924	91	* on I2C operation
frank26080115	0:bf7b9fba3924	92	* @param[in] ErrorCode Error Code Input
frank26080115	0:bf7b9fba3924	93	* @return None
frank26080115	0:bf7b9fba3924	94	**********************************************************************/
frank26080115	0:bf7b9fba3924	95	void Error_Loop(uint32_t ErrorCode)
frank26080115	0:bf7b9fba3924	96	{
frank26080115	0:bf7b9fba3924	97	uint32_t test;
frank26080115	0:bf7b9fba3924	98
frank26080115	0:bf7b9fba3924	99	// for testing purpose
frank26080115	0:bf7b9fba3924	100	test = ErrorCode;
frank26080115	0:bf7b9fba3924	101	/*
frank26080115	0:bf7b9fba3924	102	* Insert your code here...
frank26080115	0:bf7b9fba3924	103	*/
frank26080115	0:bf7b9fba3924	104	while(1);
frank26080115	0:bf7b9fba3924	105	}
frank26080115	0:bf7b9fba3924	106
frank26080115	0:bf7b9fba3924	107
frank26080115	0:bf7b9fba3924	108	/-------------------------MAIN FUNCTION------------------------------/
frank26080115	0:bf7b9fba3924	109	/*******************************************************************//
frank26080115	0:bf7b9fba3924	110	* @brief c_entry: Main program body
frank26080115	0:bf7b9fba3924	111	* @param[in] None
frank26080115	0:bf7b9fba3924	112	* @return int
frank26080115	0:bf7b9fba3924	113	**********************************************************************/
frank26080115	0:bf7b9fba3924	114	int c_entry(void)
frank26080115	0:bf7b9fba3924	115	{
frank26080115	0:bf7b9fba3924	116	uint8_t tmpchar[2] = {0, 0};
frank26080115	0:bf7b9fba3924	117	__IO FlagStatus exitflag;
frank26080115	0:bf7b9fba3924	118	PINSEL_CFG_Type PinCfg;
frank26080115	0:bf7b9fba3924	119	I2C_M_SETUP_Type transferCfg;
frank26080115	0:bf7b9fba3924	120	uint8_t SC16IS_RegStat;
frank26080115	0:bf7b9fba3924	121
frank26080115	0:bf7b9fba3924	122	/* Initialize debug via UART0
frank26080115	0:bf7b9fba3924	123	* 115200bps
frank26080115	0:bf7b9fba3924	124	* 8 data bit
frank26080115	0:bf7b9fba3924	125	* No parity
frank26080115	0:bf7b9fba3924	126	* 1 stop bit
frank26080115	0:bf7b9fba3924	127	* No flow control
frank26080115	0:bf7b9fba3924	128	*/
frank26080115	0:bf7b9fba3924	129	debug_frmwrk_init();
frank26080115	0:bf7b9fba3924	130
frank26080115	0:bf7b9fba3924	131	// print welcome screen
frank26080115	0:bf7b9fba3924	132	print_menu();
frank26080115	0:bf7b9fba3924	133
frank26080115	0:bf7b9fba3924	134	/*
frank26080115	0:bf7b9fba3924	135	* Init I2C pin connect
frank26080115	0:bf7b9fba3924	136	*/
frank26080115	0:bf7b9fba3924	137	PinCfg.OpenDrain = 0;
frank26080115	0:bf7b9fba3924	138	PinCfg.Pinmode = 0;
frank26080115	0:bf7b9fba3924	139	#if (USEDI2CDEV == 0)
frank26080115	0:bf7b9fba3924	140	PinCfg.Funcnum = 1;
frank26080115	0:bf7b9fba3924	141	PinCfg.Pinnum = 27;
frank26080115	0:bf7b9fba3924	142	PinCfg.Portnum = 0;
frank26080115	0:bf7b9fba3924	143	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	144	PinCfg.Pinnum = 28;
frank26080115	0:bf7b9fba3924	145	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	146	#elif (USEDI2CDEV == 2)
frank26080115	0:bf7b9fba3924	147	PinCfg.Funcnum = 2;
frank26080115	0:bf7b9fba3924	148	PinCfg.Pinnum = 10;
frank26080115	0:bf7b9fba3924	149	PinCfg.Portnum = 0;
frank26080115	0:bf7b9fba3924	150	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	151	PinCfg.Pinnum = 11;
frank26080115	0:bf7b9fba3924	152	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	153	#endif
frank26080115	0:bf7b9fba3924	154
frank26080115	0:bf7b9fba3924	155	/* I2C block ------------------------------------------------------------------- */
frank26080115	0:bf7b9fba3924	156	// Initialize I2C peripheral
frank26080115	0:bf7b9fba3924	157	I2C_Init(I2CDEV, 100000);
frank26080115	0:bf7b9fba3924	158
frank26080115	0:bf7b9fba3924	159	/* Enable I2C1 operation */
frank26080115	0:bf7b9fba3924	160	I2C_Cmd(I2CDEV, ENABLE);
frank26080115	0:bf7b9fba3924	161
frank26080115	0:bf7b9fba3924	162	/* Configure SC16IS750 ---------------------------------------------------------- */
frank26080115	0:bf7b9fba3924	163	/* First, send some command to reset SC16IS740 chip via I2C bus interface */
frank26080115	0:bf7b9fba3924	164	transferCfg.sl_addr7bit = SLVADDR;
frank26080115	0:bf7b9fba3924	165	transferCfg.tx_data = (uint8_t *)iocon_cfg;
frank26080115	0:bf7b9fba3924	166	transferCfg.tx_length = sizeof(iocon_cfg);
frank26080115	0:bf7b9fba3924	167	transferCfg.rx_data = NULL;
frank26080115	0:bf7b9fba3924	168	transferCfg.rx_length = 0;
frank26080115	0:bf7b9fba3924	169	transferCfg.retransmissions_max = 2;
frank26080115	0:bf7b9fba3924	170	if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
frank26080115	0:bf7b9fba3924	171	== ERROR){
frank26080115	0:bf7b9fba3924	172	Error_Loop(transferCfg.status);
frank26080115	0:bf7b9fba3924	173	}
frank26080115	0:bf7b9fba3924	174
frank26080115	0:bf7b9fba3924	175	transferCfg.sl_addr7bit = SLVADDR;
frank26080115	0:bf7b9fba3924	176	transferCfg.tx_data = (uint8_t *)iodir_cfg;
frank26080115	0:bf7b9fba3924	177	transferCfg.tx_length = sizeof(iodir_cfg);
frank26080115	0:bf7b9fba3924	178	transferCfg.rx_data = NULL;
frank26080115	0:bf7b9fba3924	179	transferCfg.rx_length = 0;
frank26080115	0:bf7b9fba3924	180	transferCfg.retransmissions_max = 2;
frank26080115	0:bf7b9fba3924	181	if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
frank26080115	0:bf7b9fba3924	182	== ERROR){
frank26080115	0:bf7b9fba3924	183	Error_Loop(transferCfg.status);
frank26080115	0:bf7b9fba3924	184	}
frank26080115	0:bf7b9fba3924	185
frank26080115	0:bf7b9fba3924	186	transferCfg.sl_addr7bit = SLVADDR;
frank26080115	0:bf7b9fba3924	187	transferCfg.tx_data = (uint8_t *)iostate_cfg_0;
frank26080115	0:bf7b9fba3924	188	transferCfg.tx_length = sizeof(iostate_cfg_0);
frank26080115	0:bf7b9fba3924	189	transferCfg.rx_data = NULL;
frank26080115	0:bf7b9fba3924	190	transferCfg.rx_length = 0;
frank26080115	0:bf7b9fba3924	191	transferCfg.retransmissions_max = 2;
frank26080115	0:bf7b9fba3924	192	if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
frank26080115	0:bf7b9fba3924	193	== ERROR){
frank26080115	0:bf7b9fba3924	194	Error_Loop(transferCfg.status);
frank26080115	0:bf7b9fba3924	195	}
frank26080115	0:bf7b9fba3924	196
frank26080115	0:bf7b9fba3924	197
frank26080115	0:bf7b9fba3924	198	/* Validate value of SC16IS750 register ------------------------------------------ */
frank26080115	0:bf7b9fba3924	199	/* This section will dump out value of register that set through I2C bus */
frank26080115	0:bf7b9fba3924	200
frank26080115	0:bf7b9fba3924	201	transferCfg.sl_addr7bit = SLVADDR;
frank26080115	0:bf7b9fba3924	202	transferCfg.tx_data = (uint8_t *)iocon_cfg;
frank26080115	0:bf7b9fba3924	203	transferCfg.tx_length = 1;
frank26080115	0:bf7b9fba3924	204	transferCfg.rx_data = (uint8_t *)&SC16IS_RegStat;
frank26080115	0:bf7b9fba3924	205	transferCfg.rx_length = 1;
frank26080115	0:bf7b9fba3924	206	transferCfg.retransmissions_max = 2;
frank26080115	0:bf7b9fba3924	207	if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
frank26080115	0:bf7b9fba3924	208	== ERROR){
frank26080115	0:bf7b9fba3924	209	Error_Loop(transferCfg.status);
frank26080115	0:bf7b9fba3924	210	}
frank26080115	0:bf7b9fba3924	211
frank26080115	0:bf7b9fba3924	212	transferCfg.sl_addr7bit = SLVADDR;
frank26080115	0:bf7b9fba3924	213	transferCfg.tx_data = (uint8_t *)iodir_cfg;
frank26080115	0:bf7b9fba3924	214	transferCfg.tx_length = 1;
frank26080115	0:bf7b9fba3924	215	transferCfg.rx_data = (uint8_t *)&SC16IS_RegStat;
frank26080115	0:bf7b9fba3924	216	transferCfg.rx_length = 1;
frank26080115	0:bf7b9fba3924	217	transferCfg.retransmissions_max = 2;
frank26080115	0:bf7b9fba3924	218	if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
frank26080115	0:bf7b9fba3924	219	== ERROR){
frank26080115	0:bf7b9fba3924	220	Error_Loop(transferCfg.status);
frank26080115	0:bf7b9fba3924	221	}
frank26080115	0:bf7b9fba3924	222
frank26080115	0:bf7b9fba3924	223	transferCfg.sl_addr7bit = SLVADDR;
frank26080115	0:bf7b9fba3924	224	transferCfg.tx_data = (uint8_t *)iostate_cfg_0;
frank26080115	0:bf7b9fba3924	225	transferCfg.tx_length = 1;
frank26080115	0:bf7b9fba3924	226	transferCfg.rx_data = (uint8_t *)&SC16IS_RegStat;
frank26080115	0:bf7b9fba3924	227	transferCfg.rx_length = 1;
frank26080115	0:bf7b9fba3924	228	transferCfg.retransmissions_max = 2;
frank26080115	0:bf7b9fba3924	229	if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
frank26080115	0:bf7b9fba3924	230	== ERROR){
frank26080115	0:bf7b9fba3924	231	Error_Loop(transferCfg.status);
frank26080115	0:bf7b9fba3924	232	}
frank26080115	0:bf7b9fba3924	233
frank26080115	0:bf7b9fba3924	234	// Reset exit flag
frank26080115	0:bf7b9fba3924	235	exitflag = RESET;
frank26080115	0:bf7b9fba3924	236
frank26080115	0:bf7b9fba3924	237	/* Read some data from the buffer */
frank26080115	0:bf7b9fba3924	238	while (exitflag == RESET){
frank26080115	0:bf7b9fba3924	239
frank26080115	0:bf7b9fba3924	240	while((tmpchar[0] = _DG) == 0);
frank26080115	0:bf7b9fba3924	241
frank26080115	0:bf7b9fba3924	242	if (tmpchar[0] == 27){
frank26080115	0:bf7b9fba3924	243	/* ESC key, set exit flag */
frank26080115	0:bf7b9fba3924	244	_DBG_(menu2);
frank26080115	0:bf7b9fba3924	245	exitflag = SET;
frank26080115	0:bf7b9fba3924	246	}
frank26080115	0:bf7b9fba3924	247	else if (tmpchar[0] == 'r'){
frank26080115	0:bf7b9fba3924	248	print_menu();
frank26080115	0:bf7b9fba3924	249	}
frank26080115	0:bf7b9fba3924	250	else{
frank26080115	0:bf7b9fba3924	251	if (tmpchar[0] == '1'){
frank26080115	0:bf7b9fba3924	252	// LEDs are ON now...
frank26080115	0:bf7b9fba3924	253	transferCfg.sl_addr7bit = SLVADDR;
frank26080115	0:bf7b9fba3924	254	transferCfg.tx_data = (uint8_t *)iostate_cfg_0;
frank26080115	0:bf7b9fba3924	255	transferCfg.tx_length = sizeof(iostate_cfg_0);
frank26080115	0:bf7b9fba3924	256	transferCfg.rx_data = NULL;
frank26080115	0:bf7b9fba3924	257	transferCfg.rx_length = 0;
frank26080115	0:bf7b9fba3924	258	transferCfg.retransmissions_max = 2;
frank26080115	0:bf7b9fba3924	259	if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
frank26080115	0:bf7b9fba3924	260	== ERROR){
frank26080115	0:bf7b9fba3924	261	Error_Loop(transferCfg.status);
frank26080115	0:bf7b9fba3924	262	}
frank26080115	0:bf7b9fba3924	263	}
frank26080115	0:bf7b9fba3924	264	else if (tmpchar[0] == '2')
frank26080115	0:bf7b9fba3924	265	{
frank26080115	0:bf7b9fba3924	266	// LEDs are OFF now...
frank26080115	0:bf7b9fba3924	267	transferCfg.sl_addr7bit = SLVADDR;
frank26080115	0:bf7b9fba3924	268	transferCfg.tx_data = (uint8_t *)iostate_cfg_1;
frank26080115	0:bf7b9fba3924	269	transferCfg.tx_length = sizeof(iostate_cfg_1);
frank26080115	0:bf7b9fba3924	270	transferCfg.rx_data = NULL;
frank26080115	0:bf7b9fba3924	271	transferCfg.rx_length = 0;
frank26080115	0:bf7b9fba3924	272	transferCfg.retransmissions_max = 2;
frank26080115	0:bf7b9fba3924	273	if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \
frank26080115	0:bf7b9fba3924	274	== ERROR){
frank26080115	0:bf7b9fba3924	275	Error_Loop(transferCfg.status);
frank26080115	0:bf7b9fba3924	276	}
frank26080115	0:bf7b9fba3924	277	}
frank26080115	0:bf7b9fba3924	278	/* Then Echo it back */
frank26080115	0:bf7b9fba3924	279	_DBG_(tmpchar);
frank26080115	0:bf7b9fba3924	280	}
frank26080115	0:bf7b9fba3924	281	}
frank26080115	0:bf7b9fba3924	282
frank26080115	0:bf7b9fba3924	283	// wait for current transmission complete - THR must be empty
frank26080115	0:bf7b9fba3924	284	while (UART_CheckBusy(LPC_UART0)==SET);
frank26080115	0:bf7b9fba3924	285
frank26080115	0:bf7b9fba3924	286	// DeInitialize UART0 peripheral
frank26080115	0:bf7b9fba3924	287	UART_DeInit(LPC_UART0);
frank26080115	0:bf7b9fba3924	288	I2C_DeInit(I2CDEV);
frank26080115	0:bf7b9fba3924	289	/* Loop forever */
frank26080115	0:bf7b9fba3924	290	while(1);
frank26080115	0:bf7b9fba3924	291	return 1;
frank26080115	0:bf7b9fba3924	292	}
frank26080115	0:bf7b9fba3924	293
frank26080115	0:bf7b9fba3924	294	/* With ARM and GHS toolsets, the entry point is main() - this will
frank26080115	0:bf7b9fba3924	295	allow the linker to generate wrapper code to setup stacks, allocate
frank26080115	0:bf7b9fba3924	296	heap area, and initialize and copy code and data segments. For GNU
frank26080115	0:bf7b9fba3924	297	toolsets, the entry point is through __start() in the crt0_gnu.asm
frank26080115	0:bf7b9fba3924	298	file, and that startup code will setup stacks and data */
frank26080115	0:bf7b9fba3924	299	int main(void)
frank26080115	0:bf7b9fba3924	300	{
frank26080115	0:bf7b9fba3924	301	return c_entry();
frank26080115	0:bf7b9fba3924	302	}
frank26080115	0:bf7b9fba3924	303
frank26080115	0:bf7b9fba3924	304
frank26080115	0:bf7b9fba3924	305	#ifdef DEBUG
frank26080115	0:bf7b9fba3924	306	/*******************************************************************************
frank26080115	0:bf7b9fba3924	307	* @brief Reports the name of the source file and the source line number
frank26080115	0:bf7b9fba3924	308	* where the CHECK_PARAM error has occurred.
frank26080115	0:bf7b9fba3924	309	* @param[in] file Pointer to the source file name
frank26080115	0:bf7b9fba3924	310	* @param[in] line assert_param error line source number
frank26080115	0:bf7b9fba3924	311	* @return None
frank26080115	0:bf7b9fba3924	312	*******************************************************************************/
frank26080115	0:bf7b9fba3924	313	void check_failed(uint8_t *file, uint32_t line)
frank26080115	0:bf7b9fba3924	314	{
frank26080115	0:bf7b9fba3924	315	/* User can add his own implementation to report the file name and line number,
frank26080115	0:bf7b9fba3924	316	ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
frank26080115	0:bf7b9fba3924	317
frank26080115	0:bf7b9fba3924	318	/* Infinite loop */
frank26080115	0:bf7b9fba3924	319	while(1);
frank26080115	0:bf7b9fba3924	320	}
frank26080115	0:bf7b9fba3924	321	#endif
frank26080115	0:bf7b9fba3924	322
frank26080115	0:bf7b9fba3924	323	/*
frank26080115	0:bf7b9fba3924	324	* @}
frank26080115	0:bf7b9fba3924	325	*/

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

I2C/sc16is750_polling/i2c_polling_test.c@0:bf7b9fba3924, 2011-03-20 (annotated)

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