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!

CAN/CAN_self_test/can_self_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 can_self_test.c
frank26080115	0:bf7b9fba3924	3	* @purpose This example used to test Self-test mode
frank26080115	0:bf7b9fba3924	4	* @version 1.0
frank26080115	0:bf7b9fba3924	5	* @date 18. June. 2010
frank26080115	0:bf7b9fba3924	6	* @author NXP MCU SW Application Team
frank26080115	0:bf7b9fba3924	7	*---------------------------------------------------------------------
frank26080115	0:bf7b9fba3924	8	* Software that is described herein is for illustrative purposes only
frank26080115	0:bf7b9fba3924	9	* which provides customers with programming information regarding the
frank26080115	0:bf7b9fba3924	10	* products. This software is supplied "AS IS" without any warranties.
frank26080115	0:bf7b9fba3924	11	* NXP Semiconductors assumes no responsibility or liability for the
frank26080115	0:bf7b9fba3924	12	* use of the software, conveys no license or title under any patent,
frank26080115	0:bf7b9fba3924	13	* copyright, or mask work right to the product. NXP Semiconductors
frank26080115	0:bf7b9fba3924	14	* reserves the right to make changes in the software without
frank26080115	0:bf7b9fba3924	15	* notification. NXP Semiconductors also make no representation or
frank26080115	0:bf7b9fba3924	16	* warranty that such application will be suitable for the specified
frank26080115	0:bf7b9fba3924	17	* use without further testing or modification.
frank26080115	0:bf7b9fba3924	18	**********************************************************************/
frank26080115	0:bf7b9fba3924	19	#include "lpc17xx_can.h"
frank26080115	0:bf7b9fba3924	20	#include "lpc17xx_libcfg.h"
frank26080115	0:bf7b9fba3924	21	#include "debug_frmwrk.h"
frank26080115	0:bf7b9fba3924	22
frank26080115	0:bf7b9fba3924	23	/* Example group ----------------------------------------------------------- */
frank26080115	0:bf7b9fba3924	24	/** @defgroup CAN_seft_test CAN_self_test
frank26080115	0:bf7b9fba3924	25	* @ingroup CAN_Examples
frank26080115	0:bf7b9fba3924	26	* @{
frank26080115	0:bf7b9fba3924	27	*/
frank26080115	0:bf7b9fba3924	28	/************************ PRIVATE VARIABLES ***********************/
frank26080115	0:bf7b9fba3924	29	uint8_t menu[]=
frank26080115	0:bf7b9fba3924	30	"*******************************************************************************\n\r"
frank26080115	0:bf7b9fba3924	31	"Hello NXP Semiconductors \n\r"
frank26080115	0:bf7b9fba3924	32	"CAN Self-test demo \n\r"
frank26080115	0:bf7b9fba3924	33	"\t - MCU: LPC17xx \n\r"
frank26080115	0:bf7b9fba3924	34	"\t - Core: ARM CORTEX-M3 \n\r"
frank26080115	0:bf7b9fba3924	35	"\t - Communicate via: UART0 - 115200 bps \n\r"
frank26080115	0:bf7b9fba3924	36	"Use only CAN1 peripherals to test\n\r"
frank26080115	0:bf7b9fba3924	37	"This example used to test Self test mode\n\r"
frank26080115	0:bf7b9fba3924	38	"*******************************************************************************\n\r";
frank26080115	0:bf7b9fba3924	39
frank26080115	0:bf7b9fba3924	40	/ CAN variable definition /
frank26080115	0:bf7b9fba3924	41	CAN_MSG_Type TXMsg, RXMsg; // messages for test Bypass mode
frank26080115	0:bf7b9fba3924	42	uint32_t CANRxCount, CANTxCount = 0;
frank26080115	0:bf7b9fba3924	43
frank26080115	0:bf7b9fba3924	44	/************************ PRIVATE FUNCTIONS ***********************/
frank26080115	0:bf7b9fba3924	45	void CAN_IRQHandler(void);
frank26080115	0:bf7b9fba3924	46
frank26080115	0:bf7b9fba3924	47	void CAN_InitMessage(void);
frank26080115	0:bf7b9fba3924	48	void PrintMessage(CAN_MSG_Type* msg);
frank26080115	0:bf7b9fba3924	49	void print_menu();
frank26080115	0:bf7b9fba3924	50	Bool Check_Message(CAN_MSG_Type* TX_Msg, CAN_MSG_Type* RX_Msg);
frank26080115	0:bf7b9fba3924	51
frank26080115	0:bf7b9fba3924	52
frank26080115	0:bf7b9fba3924	53	/----------------- INTERRUPT SERVICE ROUTINES --------------------------/
frank26080115	0:bf7b9fba3924	54	/*******************************************************************//
frank26080115	0:bf7b9fba3924	55	* @brief CAN_IRQ Handler, control receive message operation
frank26080115	0:bf7b9fba3924	56	* param[in] none
frank26080115	0:bf7b9fba3924	57	* @return none
frank26080115	0:bf7b9fba3924	58	**********************************************************************/
frank26080115	0:bf7b9fba3924	59	void CAN_IRQHandler()
frank26080115	0:bf7b9fba3924	60	{
frank26080115	0:bf7b9fba3924	61	uint8_t IntStatus;
frank26080115	0:bf7b9fba3924	62	// uint32_t data1;
frank26080115	0:bf7b9fba3924	63	/* Get CAN status */
frank26080115	0:bf7b9fba3924	64	IntStatus = CAN_GetCTRLStatus(LPC_CAN1, CANCTRL_STS);
frank26080115	0:bf7b9fba3924	65	//check receive buffer status
frank26080115	0:bf7b9fba3924	66	if((IntStatus>>0)&0x01)
frank26080115	0:bf7b9fba3924	67	{
frank26080115	0:bf7b9fba3924	68	CAN_ReceiveMsg(LPC_CAN1,&RXMsg);
frank26080115	0:bf7b9fba3924	69	_DBG_("Received buffer:");
frank26080115	0:bf7b9fba3924	70	PrintMessage(&RXMsg);
frank26080115	0:bf7b9fba3924	71	//Validate received and transmited message
frank26080115	0:bf7b9fba3924	72	if(Check_Message(&TXMsg, &RXMsg))
frank26080115	0:bf7b9fba3924	73	_DBG_("Self test is SUCCESSFUL!!!");
frank26080115	0:bf7b9fba3924	74	else
frank26080115	0:bf7b9fba3924	75	_DBG_("Self test is FAIL!!!");
frank26080115	0:bf7b9fba3924	76	}
frank26080115	0:bf7b9fba3924	77	}
frank26080115	0:bf7b9fba3924	78
frank26080115	0:bf7b9fba3924	79	/-------------------------PRIVATE FUNCTIONS----------------------------/
frank26080115	0:bf7b9fba3924	80	/*******************************************************************//
frank26080115	0:bf7b9fba3924	81	* @brief Print Message via COM1
frank26080115	0:bf7b9fba3924	82	* param[in] msg: point to CAN_MSG_Type object that will be printed
frank26080115	0:bf7b9fba3924	83	* @return none
frank26080115	0:bf7b9fba3924	84	**********************************************************************/
frank26080115	0:bf7b9fba3924	85	void PrintMessage(CAN_MSG_Type* CAN_Msg)
frank26080115	0:bf7b9fba3924	86	{
frank26080115	0:bf7b9fba3924	87	uint32_t data;
frank26080115	0:bf7b9fba3924	88	_DBG("Message ID: ");
frank26080115	0:bf7b9fba3924	89	_DBH32(CAN_Msg->id);_DBG_("");
frank26080115	0:bf7b9fba3924	90	_DBG("Message length: ");
frank26080115	0:bf7b9fba3924	91	_DBH32(CAN_Msg->len);_DBG_(" BYTES");
frank26080115	0:bf7b9fba3924	92	_DBG("Message type: ");
frank26080115	0:bf7b9fba3924	93	if(CAN_Msg->type==DATA_FRAME)
frank26080115	0:bf7b9fba3924	94	{
frank26080115	0:bf7b9fba3924	95	_DBG_("DATA FRAME ");
frank26080115	0:bf7b9fba3924	96	}
frank26080115	0:bf7b9fba3924	97	else
frank26080115	0:bf7b9fba3924	98	_DBG_("REMOTE FRAME ");
frank26080115	0:bf7b9fba3924	99	_DBG("Message format: ");
frank26080115	0:bf7b9fba3924	100	if(CAN_Msg->format==STD_ID_FORMAT)
frank26080115	0:bf7b9fba3924	101	{
frank26080115	0:bf7b9fba3924	102	_DBG_("STANDARD ID FRAME FORMAT");
frank26080115	0:bf7b9fba3924	103	}
frank26080115	0:bf7b9fba3924	104	else
frank26080115	0:bf7b9fba3924	105	_DBG_("EXTENDED ID FRAME FORMAT");
frank26080115	0:bf7b9fba3924	106	_DBG("Message dataA: ");
frank26080115	0:bf7b9fba3924	107	data = (CAN_Msg->dataA[0])\|(CAN_Msg->dataA[1]<<8)\|(CAN_Msg->dataA[2]<<16)\|(CAN_Msg->dataA[3]<<24);
frank26080115	0:bf7b9fba3924	108	_DBH32(data);_DBG_("");
frank26080115	0:bf7b9fba3924	109	data = (CAN_Msg->dataB[0])\|(CAN_Msg->dataB[1]<<8)\|(CAN_Msg->dataB[2]<<16)\|(CAN_Msg->dataB[3]<<24);
frank26080115	0:bf7b9fba3924	110	_DBG("Message dataB: ");
frank26080115	0:bf7b9fba3924	111	_DBH32(data);_DBG_("");
frank26080115	0:bf7b9fba3924	112	_DBG_("");
frank26080115	0:bf7b9fba3924	113	}
frank26080115	0:bf7b9fba3924	114
frank26080115	0:bf7b9fba3924	115	/*******************************************************************//
frank26080115	0:bf7b9fba3924	116	* @brief Initialize transmit and receive message for Bypass operation
frank26080115	0:bf7b9fba3924	117	* @param[in] none
frank26080115	0:bf7b9fba3924	118	* @return none
frank26080115	0:bf7b9fba3924	119	**********************************************************************/
frank26080115	0:bf7b9fba3924	120	void CAN_InitMessage(void) {
frank26080115	0:bf7b9fba3924	121	TXMsg.format = EXT_ID_FORMAT;
frank26080115	0:bf7b9fba3924	122	TXMsg.id = 0x00001234;
frank26080115	0:bf7b9fba3924	123	TXMsg.len = 8;
frank26080115	0:bf7b9fba3924	124	TXMsg.type = DATA_FRAME;
frank26080115	0:bf7b9fba3924	125	TXMsg.dataA[0] = TXMsg.dataA[1] = TXMsg.dataA[2] = TXMsg.dataA[3] = 0x12;
frank26080115	0:bf7b9fba3924	126	TXMsg.dataB[0] = TXMsg.dataB[1] = TXMsg.dataB[2] = TXMsg.dataB[3] = 0x34;
frank26080115	0:bf7b9fba3924	127
frank26080115	0:bf7b9fba3924	128	RXMsg.format = 0x00;
frank26080115	0:bf7b9fba3924	129	RXMsg.id = 0x00;
frank26080115	0:bf7b9fba3924	130	RXMsg.len = 0x00;
frank26080115	0:bf7b9fba3924	131	RXMsg.type = 0x00;
frank26080115	0:bf7b9fba3924	132	RXMsg.dataA[0] = RXMsg.dataA[1] = RXMsg.dataA[2] = RXMsg.dataA[3] = 0x00000000;
frank26080115	0:bf7b9fba3924	133	RXMsg.dataB[0] = RXMsg.dataA[1] = RXMsg.dataA[2] = RXMsg.dataA[3] = 0x00000000;
frank26080115	0:bf7b9fba3924	134	}
frank26080115	0:bf7b9fba3924	135
frank26080115	0:bf7b9fba3924	136	/*******************************************************************//
frank26080115	0:bf7b9fba3924	137	* @brief print menu
frank26080115	0:bf7b9fba3924	138	* @param[in] none
frank26080115	0:bf7b9fba3924	139	* @return none
frank26080115	0:bf7b9fba3924	140	**********************************************************************/
frank26080115	0:bf7b9fba3924	141	void print_menu()
frank26080115	0:bf7b9fba3924	142	{
frank26080115	0:bf7b9fba3924	143	_DBG_(menu);
frank26080115	0:bf7b9fba3924	144	}
frank26080115	0:bf7b9fba3924	145
frank26080115	0:bf7b9fba3924	146	/*******************************************************************//
frank26080115	0:bf7b9fba3924	147	* @brief Compare two message
frank26080115	0:bf7b9fba3924	148	* @param[in] Tx_Msg transmit message
frank26080115	0:bf7b9fba3924	149	* @param[in] Rx_Msg receive message
frank26080115	0:bf7b9fba3924	150	* @return Bool should be:
frank26080115	0:bf7b9fba3924	151	* - TRUE: if two message is the same
frank26080115	0:bf7b9fba3924	152	* - FALSE: if two message is different
frank26080115	0:bf7b9fba3924	153	**********************************************************************/
frank26080115	0:bf7b9fba3924	154	Bool Check_Message(CAN_MSG_Type* TX_Msg, CAN_MSG_Type* RX_Msg)
frank26080115	0:bf7b9fba3924	155	{
frank26080115	0:bf7b9fba3924	156	uint8_t i;
frank26080115	0:bf7b9fba3924	157	if((TXMsg.format != RXMsg.format)\|(TXMsg.id != RXMsg.id)\|(TXMsg.len != RXMsg.len)\
frank26080115	0:bf7b9fba3924	158	\|(TXMsg.type != RXMsg.type))
frank26080115	0:bf7b9fba3924	159	return FALSE;
frank26080115	0:bf7b9fba3924	160	for(i=0;i<4;i++)
frank26080115	0:bf7b9fba3924	161	{
frank26080115	0:bf7b9fba3924	162	if((TXMsg.dataA[i]!=RXMsg.dataA[i])\|(TXMsg.dataB[i]!=RXMsg.dataB[i]))
frank26080115	0:bf7b9fba3924	163	return FALSE;
frank26080115	0:bf7b9fba3924	164	}
frank26080115	0:bf7b9fba3924	165	return TRUE;
frank26080115	0:bf7b9fba3924	166	}
frank26080115	0:bf7b9fba3924	167	/-------------------------MAIN FUNCTION------------------------------/
frank26080115	0:bf7b9fba3924	168	/*******************************************************************//
frank26080115	0:bf7b9fba3924	169	* @brief c_entry: Main CAN program body
frank26080115	0:bf7b9fba3924	170	* @param[in] none
frank26080115	0:bf7b9fba3924	171	* @return int
frank26080115	0:bf7b9fba3924	172	**********************************************************************/
frank26080115	0:bf7b9fba3924	173	int c_entry(void) { /* Main Program */
frank26080115	0:bf7b9fba3924	174
frank26080115	0:bf7b9fba3924	175	/* Initialize debug via UART0
frank26080115	0:bf7b9fba3924	176	* 115200bps
frank26080115	0:bf7b9fba3924	177	* 8 data bit
frank26080115	0:bf7b9fba3924	178	* No parity
frank26080115	0:bf7b9fba3924	179	* 1 stop bit
frank26080115	0:bf7b9fba3924	180	* No flow control
frank26080115	0:bf7b9fba3924	181	*/
frank26080115	0:bf7b9fba3924	182	debug_frmwrk_init();
frank26080115	0:bf7b9fba3924	183	print_menu();
frank26080115	0:bf7b9fba3924	184
frank26080115	0:bf7b9fba3924	185	/* Initialize CAN1 peripheral
frank26080115	0:bf7b9fba3924	186	* Note: Self-test mode doesn't require pin selection
frank26080115	0:bf7b9fba3924	187	*/
frank26080115	0:bf7b9fba3924	188	CAN_Init(LPC_CAN1, 125000);
frank26080115	0:bf7b9fba3924	189
frank26080115	0:bf7b9fba3924	190	//Enable self-test mode
frank26080115	0:bf7b9fba3924	191	CAN_ModeConfig(LPC_CAN1, CAN_SELFTEST_MODE, ENABLE);
frank26080115	0:bf7b9fba3924	192
frank26080115	0:bf7b9fba3924	193	//Enable Interrupt
frank26080115	0:bf7b9fba3924	194	CAN_IRQCmd(LPC_CAN1, CANINT_RIE, ENABLE);
frank26080115	0:bf7b9fba3924	195	CAN_IRQCmd(LPC_CAN1, CANINT_TIE1, ENABLE);
frank26080115	0:bf7b9fba3924	196
frank26080115	0:bf7b9fba3924	197	//Enable CAN Interrupt
frank26080115	0:bf7b9fba3924	198	NVIC_EnableIRQ(CAN_IRQn);
frank26080115	0:bf7b9fba3924	199	CAN_SetAFMode(LPC_CANAF,CAN_AccBP);
frank26080115	0:bf7b9fba3924	200	CAN_InitMessage();
frank26080115	0:bf7b9fba3924	201	_DBG_("Transmitted buffer:");
frank26080115	0:bf7b9fba3924	202	PrintMessage(&TXMsg);
frank26080115	0:bf7b9fba3924	203
frank26080115	0:bf7b9fba3924	204	/** To test Bypass Mode: we send infinite messages to CAN2 and check
frank26080115	0:bf7b9fba3924	205	* receive process via COM1
frank26080115	0:bf7b9fba3924	206	*/
frank26080115	0:bf7b9fba3924	207	CAN_SendMsg(LPC_CAN1, &TXMsg);
frank26080115	0:bf7b9fba3924	208	LPC_CAN1->CMR \|=(1<<4); //Self Reception Request
frank26080115	0:bf7b9fba3924	209
frank26080115	0:bf7b9fba3924	210	while (1);
frank26080115	0:bf7b9fba3924	211	}
frank26080115	0:bf7b9fba3924	212
frank26080115	0:bf7b9fba3924	213	/* With ARM and GHS toolsets, the entry point is main() - this will
frank26080115	0:bf7b9fba3924	214	allow the linker to generate wrapper code to setup stacks, allocate
frank26080115	0:bf7b9fba3924	215	heap area, and initialize and copy code and data segments. For GNU
frank26080115	0:bf7b9fba3924	216	toolsets, the entry point is through __start() in the crt0_gnu.asm
frank26080115	0:bf7b9fba3924	217	file, and that startup code will setup stacks and data */
frank26080115	0:bf7b9fba3924	218	int main(void) {
frank26080115	0:bf7b9fba3924	219	return c_entry();
frank26080115	0:bf7b9fba3924	220	}
frank26080115	0:bf7b9fba3924	221
frank26080115	0:bf7b9fba3924	222	#ifdef DEBUG
frank26080115	0:bf7b9fba3924	223	/*******************************************************************************
frank26080115	0:bf7b9fba3924	224	* @brief Reports the name of the source file and the source line number
frank26080115	0:bf7b9fba3924	225	* where the CHECK_PARAM error has occurred.
frank26080115	0:bf7b9fba3924	226	* @param[in] file Pointer to the source file name
frank26080115	0:bf7b9fba3924	227	* @param[in] line assert_param error line source number
frank26080115	0:bf7b9fba3924	228	* @return None
frank26080115	0:bf7b9fba3924	229	*******************************************************************************/
frank26080115	0:bf7b9fba3924	230	void check_failed(uint8_t *file, uint32_t line) {
frank26080115	0:bf7b9fba3924	231	/* User can add his own implementation to report the file name and line number,
frank26080115	0:bf7b9fba3924	232	ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
frank26080115	0:bf7b9fba3924	233
frank26080115	0:bf7b9fba3924	234	/* Infinite loop */
frank26080115	0:bf7b9fba3924	235	while (1)
frank26080115	0:bf7b9fba3924	236	;
frank26080115	0:bf7b9fba3924	237	}
frank26080115	0:bf7b9fba3924	238	#endif
frank26080115	0:bf7b9fba3924	239
frank26080115	0:bf7b9fba3924	240	/*
frank26080115	0:bf7b9fba3924	241	* @}
frank26080115	0:bf7b9fba3924	242	*/

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

CAN/CAN_self_test/can_self_test.c@0:bf7b9fba3924, 2011-03-20 (annotated)

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