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_LedControl/can_ledcontrol.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_ledcontrol.c
frank26080115	0:bf7b9fba3924	3	* @purpose This example used to test Bypass mode
frank26080115	0:bf7b9fba3924	4	* @version 1.0
frank26080115	0:bf7b9fba3924	5	* @date 16. July. 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 "lpc17xx_pinsel.h"
frank26080115	0:bf7b9fba3924	22	#include "debug_frmwrk.h"
frank26080115	0:bf7b9fba3924	23	#include "lpc17xx_gpio.h"
frank26080115	0:bf7b9fba3924	24
frank26080115	0:bf7b9fba3924	25	/* Example group ----------------------------------------------------------- */
frank26080115	0:bf7b9fba3924	26	/** @defgroup CAN_LedControl CAN_LedControl
frank26080115	0:bf7b9fba3924	27	* @ingroup CAN_Examples
frank26080115	0:bf7b9fba3924	28	* @{
frank26080115	0:bf7b9fba3924	29	*/
frank26080115	0:bf7b9fba3924	30
frank26080115	0:bf7b9fba3924	31	/************************ PRIVATE VARIABLES ***********************/
frank26080115	0:bf7b9fba3924	32	uint8_t menu[]=
frank26080115	0:bf7b9fba3924	33	"*******************************************************************************\n\r"
frank26080115	0:bf7b9fba3924	34	"Hello NXP Semiconductors \n\r"
frank26080115	0:bf7b9fba3924	35	"CAN demo \n\r"
frank26080115	0:bf7b9fba3924	36	"\t - MCU: LPC17xx \n\r"
frank26080115	0:bf7b9fba3924	37	"\t - Core: ARM CORTEX-M3 \n\r"
frank26080115	0:bf7b9fba3924	38	"\t - Communicate via: UART0 - 115200 bps \n\r"
frank26080115	0:bf7b9fba3924	39	"Use two CAN peripherals: CAN1 and CAN2 to communicate\n\r"
frank26080115	0:bf7b9fba3924	40	"Use CAN frames to control LED display\n\r"
frank26080115	0:bf7b9fba3924	41	"*******************************************************************************\n\r";
frank26080115	0:bf7b9fba3924	42
frank26080115	0:bf7b9fba3924	43	/ CAN variable definition /
frank26080115	0:bf7b9fba3924	44	CAN_MSG_Type TXMsg, RXMsg; // messages for test Bypass mode
frank26080115	0:bf7b9fba3924	45	uint8_t LED_Value;
frank26080115	0:bf7b9fba3924	46	uint32_t LED[8] = {(1<<6),(1<<5),(1<<4),(1<<3),(1<<2),(1<<31),(1<<29),(1<<28)};
frank26080115	0:bf7b9fba3924	47
frank26080115	0:bf7b9fba3924	48	/************************ PRIVATE FUNCTIONS ***********************/
frank26080115	0:bf7b9fba3924	49	void CAN_IRQHandler(void);
frank26080115	0:bf7b9fba3924	50
frank26080115	0:bf7b9fba3924	51	void CAN_InitMessage(void);
frank26080115	0:bf7b9fba3924	52	void print_menu();
frank26080115	0:bf7b9fba3924	53
frank26080115	0:bf7b9fba3924	54	/----------------- INTERRUPT SERVICE ROUTINES --------------------------/
frank26080115	0:bf7b9fba3924	55	/*******************************************************************//
frank26080115	0:bf7b9fba3924	56	* @brief CAN_IRQ Handler, control receive message operation
frank26080115	0:bf7b9fba3924	57	* param[in] none
frank26080115	0:bf7b9fba3924	58	* @return none
frank26080115	0:bf7b9fba3924	59	**********************************************************************/
frank26080115	0:bf7b9fba3924	60	void CAN_IRQHandler()
frank26080115	0:bf7b9fba3924	61	{
frank26080115	0:bf7b9fba3924	62	uint8_t IntStatus;
frank26080115	0:bf7b9fba3924	63	uint32_t data,i;
frank26080115	0:bf7b9fba3924	64	/* get interrupt status
frank26080115	0:bf7b9fba3924	65	* Note that: Interrupt register CANICR will be reset after read.
frank26080115	0:bf7b9fba3924	66	* So function "CAN_IntGetStatus" should be call only one time
frank26080115	0:bf7b9fba3924	67	*/
frank26080115	0:bf7b9fba3924	68	IntStatus = CAN_IntGetStatus(LPC_CAN2);
frank26080115	0:bf7b9fba3924	69	//check receive interrupt
frank26080115	0:bf7b9fba3924	70	if((IntStatus>>0)&0x01)
frank26080115	0:bf7b9fba3924	71	{
frank26080115	0:bf7b9fba3924	72	CAN_ReceiveMsg(LPC_CAN2,&RXMsg);
frank26080115	0:bf7b9fba3924	73	data = RXMsg.dataA[0];
frank26080115	0:bf7b9fba3924	74	for(i=0;i<8;i++)
frank26080115	0:bf7b9fba3924	75	{
frank26080115	0:bf7b9fba3924	76	if ((data >> i)&0x01)
frank26080115	0:bf7b9fba3924	77	{
frank26080115	0:bf7b9fba3924	78	if(i<5)
frank26080115	0:bf7b9fba3924	79	GPIO_SetValue(2,LED[i]);
frank26080115	0:bf7b9fba3924	80	else
frank26080115	0:bf7b9fba3924	81	GPIO_SetValue(1,LED[i]);
frank26080115	0:bf7b9fba3924	82	}
frank26080115	0:bf7b9fba3924	83	else
frank26080115	0:bf7b9fba3924	84	{
frank26080115	0:bf7b9fba3924	85	if(i<5)
frank26080115	0:bf7b9fba3924	86	GPIO_ClearValue(2,LED[i]);
frank26080115	0:bf7b9fba3924	87	else
frank26080115	0:bf7b9fba3924	88	GPIO_ClearValue(1,LED[i]);
frank26080115	0:bf7b9fba3924	89	}
frank26080115	0:bf7b9fba3924	90	}
frank26080115	0:bf7b9fba3924	91
frank26080115	0:bf7b9fba3924	92	}
frank26080115	0:bf7b9fba3924	93	}
frank26080115	0:bf7b9fba3924	94
frank26080115	0:bf7b9fba3924	95	/-------------------------PRIVATE FUNCTIONS----------------------------/
frank26080115	0:bf7b9fba3924	96	/*******************************************************************//
frank26080115	0:bf7b9fba3924	97	* @brief Initialize transmit and receive message for Bypass operation
frank26080115	0:bf7b9fba3924	98	* @param[in] none
frank26080115	0:bf7b9fba3924	99	* @return none
frank26080115	0:bf7b9fba3924	100	**********************************************************************/
frank26080115	0:bf7b9fba3924	101	void CAN_InitMessage(void) {
frank26080115	0:bf7b9fba3924	102	TXMsg.format = EXT_ID_FORMAT;
frank26080115	0:bf7b9fba3924	103	TXMsg.id = 0x00001234;
frank26080115	0:bf7b9fba3924	104	TXMsg.len = 8;
frank26080115	0:bf7b9fba3924	105	TXMsg.type = DATA_FRAME;
frank26080115	0:bf7b9fba3924	106	TXMsg.dataA[0] = TXMsg.dataA[1] = TXMsg.dataA[2] = TXMsg.dataA[3] = 0x00000000;
frank26080115	0:bf7b9fba3924	107	TXMsg.dataB[0] = TXMsg.dataB[1] = TXMsg.dataB[2] = TXMsg.dataB[3] = 0x00000000;
frank26080115	0:bf7b9fba3924	108
frank26080115	0:bf7b9fba3924	109	RXMsg.format = 0x00;
frank26080115	0:bf7b9fba3924	110	RXMsg.id = 0x00;
frank26080115	0:bf7b9fba3924	111	RXMsg.len = 0x00;
frank26080115	0:bf7b9fba3924	112	RXMsg.type = 0x00;
frank26080115	0:bf7b9fba3924	113	RXMsg.dataA[0] = RXMsg.dataA[1] = RXMsg.dataA[2] = RXMsg.dataA[3] = 0x00000000;
frank26080115	0:bf7b9fba3924	114	RXMsg.dataB[0] = RXMsg.dataB[1] = RXMsg.dataB[2] = RXMsg.dataB[3] = 0x00000000;
frank26080115	0:bf7b9fba3924	115	}
frank26080115	0:bf7b9fba3924	116
frank26080115	0:bf7b9fba3924	117	/*******************************************************************//
frank26080115	0:bf7b9fba3924	118	* @brief print menu
frank26080115	0:bf7b9fba3924	119	* @param[in] none
frank26080115	0:bf7b9fba3924	120	* @return none
frank26080115	0:bf7b9fba3924	121	**********************************************************************/
frank26080115	0:bf7b9fba3924	122	void print_menu()
frank26080115	0:bf7b9fba3924	123	{
frank26080115	0:bf7b9fba3924	124	_DBG(menu);
frank26080115	0:bf7b9fba3924	125	}
frank26080115	0:bf7b9fba3924	126
frank26080115	0:bf7b9fba3924	127	/-------------------------MAIN FUNCTION------------------------------/
frank26080115	0:bf7b9fba3924	128	/*******************************************************************//
frank26080115	0:bf7b9fba3924	129	* @brief c_entry: Main CAN program body
frank26080115	0:bf7b9fba3924	130	* @param[in] none
frank26080115	0:bf7b9fba3924	131	* @return int
frank26080115	0:bf7b9fba3924	132	**********************************************************************/
frank26080115	0:bf7b9fba3924	133	int c_entry(void) { /* Main Program */
frank26080115	0:bf7b9fba3924	134	PINSEL_CFG_Type PinCfg;
frank26080115	0:bf7b9fba3924	135	uint32_t test;
frank26080115	0:bf7b9fba3924	136
frank26080115	0:bf7b9fba3924	137	/* Initialize debug via UART0
frank26080115	0:bf7b9fba3924	138	* 115200bps
frank26080115	0:bf7b9fba3924	139	* 8 data bit
frank26080115	0:bf7b9fba3924	140	* No parity
frank26080115	0:bf7b9fba3924	141	* 1 stop bit
frank26080115	0:bf7b9fba3924	142	* No flow control
frank26080115	0:bf7b9fba3924	143	*/
frank26080115	0:bf7b9fba3924	144	debug_frmwrk_init();
frank26080115	0:bf7b9fba3924	145	print_menu();
frank26080115	0:bf7b9fba3924	146
frank26080115	0:bf7b9fba3924	147	/* LED setting */
frank26080115	0:bf7b9fba3924	148	GPIO_SetDir(1,(1<<28)\|(1<<29)\|(1<<31),1);
frank26080115	0:bf7b9fba3924	149	GPIO_SetDir(2,(1<<2)\|(1<<3)\|(1<<4)\|(1<<5)\|(1<<6),1);
frank26080115	0:bf7b9fba3924	150
frank26080115	0:bf7b9fba3924	151	/* Pin configuration
frank26080115	0:bf7b9fba3924	152	* CAN1: select P0.0 as RD1. P0.1 as TD1
frank26080115	0:bf7b9fba3924	153	* CAN2: select P2.7 as RD2, P2.8 as RD2
frank26080115	0:bf7b9fba3924	154	*/
frank26080115	0:bf7b9fba3924	155	PinCfg.Funcnum = 1;
frank26080115	0:bf7b9fba3924	156	PinCfg.OpenDrain = 0;
frank26080115	0:bf7b9fba3924	157	PinCfg.Pinmode = 0;
frank26080115	0:bf7b9fba3924	158	PinCfg.Pinnum = 0;
frank26080115	0:bf7b9fba3924	159	PinCfg.Portnum = 0;
frank26080115	0:bf7b9fba3924	160	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	161	PinCfg.Pinnum = 1;
frank26080115	0:bf7b9fba3924	162	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	163
frank26080115	0:bf7b9fba3924	164	PinCfg.Pinnum = 7;
frank26080115	0:bf7b9fba3924	165	PinCfg.Portnum = 2;
frank26080115	0:bf7b9fba3924	166	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	167	PinCfg.Pinnum = 8;
frank26080115	0:bf7b9fba3924	168	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	169
frank26080115	0:bf7b9fba3924	170	//Initialize CAN1 & CAN2
frank26080115	0:bf7b9fba3924	171	CAN_Init(LPC_CAN1, 125000);
frank26080115	0:bf7b9fba3924	172	CAN_Init(LPC_CAN2, 125000);
frank26080115	0:bf7b9fba3924	173
frank26080115	0:bf7b9fba3924	174	//Enable Interrupt
frank26080115	0:bf7b9fba3924	175	CAN_IRQCmd(LPC_CAN2, CANINT_RIE, ENABLE);
frank26080115	0:bf7b9fba3924	176	CAN_SetAFMode(LPC_CANAF,CAN_AccBP);
frank26080115	0:bf7b9fba3924	177	CAN_InitMessage();
frank26080115	0:bf7b9fba3924	178
frank26080115	0:bf7b9fba3924	179	//Enable CAN Interrupt
frank26080115	0:bf7b9fba3924	180	NVIC_EnableIRQ(CAN_IRQn);
frank26080115	0:bf7b9fba3924	181	while(1)
frank26080115	0:bf7b9fba3924	182	{
frank26080115	0:bf7b9fba3924	183	_DBG("Press LED value that you want to display \n\r"
frank26080115	0:bf7b9fba3924	184	"This value should be in range from 0x00 to 0xFF: ");
frank26080115	0:bf7b9fba3924	185	loop:
frank26080115	0:bf7b9fba3924	186	LED_Value = 0;
frank26080115	0:bf7b9fba3924	187	test = _DG;
frank26080115	0:bf7b9fba3924	188	switch(test)
frank26080115	0:bf7b9fba3924	189	{
frank26080115	0:bf7b9fba3924	190	case '0': LED_Value = 0; break;
frank26080115	0:bf7b9fba3924	191	case '1': LED_Value = 1; break;
frank26080115	0:bf7b9fba3924	192	case '2': LED_Value = 2; break;
frank26080115	0:bf7b9fba3924	193	case '3': LED_Value = 3; break;
frank26080115	0:bf7b9fba3924	194	case '4': LED_Value = 4; break;
frank26080115	0:bf7b9fba3924	195	case '5': LED_Value = 5; break;
frank26080115	0:bf7b9fba3924	196	case '6': LED_Value = 6; break;
frank26080115	0:bf7b9fba3924	197	case '7': LED_Value = 7; break;
frank26080115	0:bf7b9fba3924	198	case '8': LED_Value = 8; break;
frank26080115	0:bf7b9fba3924	199	case '9': LED_Value = 9; break;
frank26080115	0:bf7b9fba3924	200	case 'A': LED_Value = 0x0A; break;
frank26080115	0:bf7b9fba3924	201	case 'a': LED_Value = 0x0A; break;
frank26080115	0:bf7b9fba3924	202	case 'B': LED_Value = 0x0B; break;
frank26080115	0:bf7b9fba3924	203	case 'b': LED_Value = 0x0B; break;
frank26080115	0:bf7b9fba3924	204	case 'C': LED_Value = 0x0C; break;
frank26080115	0:bf7b9fba3924	205	case 'c': LED_Value = 0x0C; break;
frank26080115	0:bf7b9fba3924	206	case 'D': LED_Value = 0x0D; break;
frank26080115	0:bf7b9fba3924	207	case 'd': LED_Value = 0x0D; break;
frank26080115	0:bf7b9fba3924	208	case 'E': LED_Value = 0x0E; break;
frank26080115	0:bf7b9fba3924	209	case 'e': LED_Value = 0x0E; break;
frank26080115	0:bf7b9fba3924	210	case 'F': LED_Value = 0x0F; break;
frank26080115	0:bf7b9fba3924	211	case 'f': LED_Value = 0x0F; break;
frank26080115	0:bf7b9fba3924	212	default:
frank26080115	0:bf7b9fba3924	213	_DBG_("\n\rInvalid input, please type again!");
frank26080115	0:bf7b9fba3924	214	goto loop;
frank26080115	0:bf7b9fba3924	215	}
frank26080115	0:bf7b9fba3924	216	test = _DG;
frank26080115	0:bf7b9fba3924	217	switch(test)
frank26080115	0:bf7b9fba3924	218	{
frank26080115	0:bf7b9fba3924	219	case '0': LED_Value = (LED_Value<<4)\|0; break;
frank26080115	0:bf7b9fba3924	220	case '1': LED_Value = (LED_Value<<4)\|1; break;
frank26080115	0:bf7b9fba3924	221	case '2': LED_Value = (LED_Value<<4)\|2; break;
frank26080115	0:bf7b9fba3924	222	case '3': LED_Value = (LED_Value<<4)\|3; break;
frank26080115	0:bf7b9fba3924	223	case '4': LED_Value = (LED_Value<<4)\|4; break;
frank26080115	0:bf7b9fba3924	224	case '5': LED_Value = (LED_Value<<4)\|5; break;
frank26080115	0:bf7b9fba3924	225	case '6': LED_Value = (LED_Value<<4)\|6; break;
frank26080115	0:bf7b9fba3924	226	case '7': LED_Value = (LED_Value<<4)\|7; break;
frank26080115	0:bf7b9fba3924	227	case '8': LED_Value = (LED_Value<<4)\|8; break;
frank26080115	0:bf7b9fba3924	228	case '9': LED_Value = (LED_Value<<4)\|9; break;
frank26080115	0:bf7b9fba3924	229	case 'A': LED_Value = (LED_Value<<4)\|0x0A; break;
frank26080115	0:bf7b9fba3924	230	case 'a': LED_Value = (LED_Value<<4)\|0x0A; break;
frank26080115	0:bf7b9fba3924	231	case 'B': LED_Value = (LED_Value<<4)\|0x0B; break;
frank26080115	0:bf7b9fba3924	232	case 'b': LED_Value = (LED_Value<<4)\|0x0B; break;
frank26080115	0:bf7b9fba3924	233	case 'C': LED_Value = (LED_Value<<4)\|0x0C; break;
frank26080115	0:bf7b9fba3924	234	case 'c': LED_Value = (LED_Value<<4)\|0x0C; break;
frank26080115	0:bf7b9fba3924	235	case 'D': LED_Value = (LED_Value<<4)\|0x0D; break;
frank26080115	0:bf7b9fba3924	236	case 'd': LED_Value = (LED_Value<<4)\|0x0D; break;
frank26080115	0:bf7b9fba3924	237	case 'E': LED_Value = (LED_Value<<4)\|0x0E; break;
frank26080115	0:bf7b9fba3924	238	case 'e': LED_Value = (LED_Value<<4)\|0x0E; break;
frank26080115	0:bf7b9fba3924	239	case 'F': LED_Value = (LED_Value<<4)\|0x0F; break;
frank26080115	0:bf7b9fba3924	240	case 'f': LED_Value = (LED_Value<<4)\|0x0F; break;
frank26080115	0:bf7b9fba3924	241	default:
frank26080115	0:bf7b9fba3924	242	_DBG_("\n\rInvalid input, please type again!");
frank26080115	0:bf7b9fba3924	243	goto loop;
frank26080115	0:bf7b9fba3924	244	}
frank26080115	0:bf7b9fba3924	245	_DBH32(LED_Value);_DBG_("");
frank26080115	0:bf7b9fba3924	246	_DBG_("Display LED... ");_DBG_("");
frank26080115	0:bf7b9fba3924	247	TXMsg.dataA[0] = LED_Value;
frank26080115	0:bf7b9fba3924	248	CAN_SendMsg(LPC_CAN1, &TXMsg);
frank26080115	0:bf7b9fba3924	249	}
frank26080115	0:bf7b9fba3924	250	return 1;
frank26080115	0:bf7b9fba3924	251	}
frank26080115	0:bf7b9fba3924	252
frank26080115	0:bf7b9fba3924	253	/* With ARM and GHS toolsets, the entry point is main() - this will
frank26080115	0:bf7b9fba3924	254	allow the linker to generate wrapper code to setup stacks, allocate
frank26080115	0:bf7b9fba3924	255	heap area, and initialize and copy code and data segments. For GNU
frank26080115	0:bf7b9fba3924	256	toolsets, the entry point is through __start() in the crt0_gnu.asm
frank26080115	0:bf7b9fba3924	257	file, and that startup code will setup stacks and data */
frank26080115	0:bf7b9fba3924	258	int main(void) {
frank26080115	0:bf7b9fba3924	259	return c_entry();
frank26080115	0:bf7b9fba3924	260	}
frank26080115	0:bf7b9fba3924	261
frank26080115	0:bf7b9fba3924	262	#ifdef DEBUG
frank26080115	0:bf7b9fba3924	263	/*******************************************************************************
frank26080115	0:bf7b9fba3924	264	* @brief Reports the name of the source file and the source line number
frank26080115	0:bf7b9fba3924	265	* where the CHECK_PARAM error has occurred.
frank26080115	0:bf7b9fba3924	266	* @param[in] file Pointer to the source file name
frank26080115	0:bf7b9fba3924	267	* @param[in] line assert_param error line source number
frank26080115	0:bf7b9fba3924	268	* @return None
frank26080115	0:bf7b9fba3924	269	*******************************************************************************/
frank26080115	0:bf7b9fba3924	270	void check_failed(uint8_t *file, uint32_t line) {
frank26080115	0:bf7b9fba3924	271	/* User can add his own implementation to report the file name and line number,
frank26080115	0:bf7b9fba3924	272	ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
frank26080115	0:bf7b9fba3924	273
frank26080115	0:bf7b9fba3924	274	/* Infinite loop */
frank26080115	0:bf7b9fba3924	275	while (1)
frank26080115	0:bf7b9fba3924	276	;
frank26080115	0:bf7b9fba3924	277	}
frank26080115	0:bf7b9fba3924	278	#endif
frank26080115	0:bf7b9fba3924	279
frank26080115	0:bf7b9fba3924	280	/*
frank26080115	0:bf7b9fba3924	281	* @}
frank26080115	0:bf7b9fba3924	282	*/

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

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

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