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!

UART/IrDA/Receive/uart_irda_receive.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 uart_irda_receive.c
frank26080115	0:bf7b9fba3924	3	* @purpose This example describes how to using UART in irDA mode
frank26080115	0:bf7b9fba3924	4	* @version 2.0
frank26080115	0:bf7b9fba3924	5	* @date 07. 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_uart.h"
frank26080115	0:bf7b9fba3924	20	#include "lpc17xx_libcfg.h"
frank26080115	0:bf7b9fba3924	21	#include "lpc17xx_pinsel.h"
frank26080115	0:bf7b9fba3924	22	#include "lpc17xx_gpio.h"
frank26080115	0:bf7b9fba3924	23
frank26080115	0:bf7b9fba3924	24	/* Example group ----------------------------------------------------------- */
frank26080115	0:bf7b9fba3924	25	/** @defgroup UART_IrDA_Receive Receive
frank26080115	0:bf7b9fba3924	26	* @ingroup UART_IrDA_Examples
frank26080115	0:bf7b9fba3924	27	* @{
frank26080115	0:bf7b9fba3924	28	*/
frank26080115	0:bf7b9fba3924	29
frank26080115	0:bf7b9fba3924	30	/************************ PRIVATE DEFINITIONS ***********************/
frank26080115	0:bf7b9fba3924	31	#define UART_PORT 0
frank26080115	0:bf7b9fba3924	32
frank26080115	0:bf7b9fba3924	33	#if (UART_PORT == 0)
frank26080115	0:bf7b9fba3924	34	#define TEST_UART LPC_UART0
frank26080115	0:bf7b9fba3924	35	#elif (UART_PORT == 1)
frank26080115	0:bf7b9fba3924	36	#define TEST_UART (LPC_UART_TypeDef *)UART1
frank26080115	0:bf7b9fba3924	37	#endif
frank26080115	0:bf7b9fba3924	38	#define TEST_IRDA LPC_UART3
frank26080115	0:bf7b9fba3924	39
frank26080115	0:bf7b9fba3924	40	/************************ PRIVATE VARIABLES ***********************/
frank26080115	0:bf7b9fba3924	41	uint8_t menu1[] = "Hello NXP Semiconductors \n\r";
frank26080115	0:bf7b9fba3924	42	uint8_t menu2[] = "UART IrDA mode demo \n\r\t MCU LPC17xx - ARM Cortex-M3 \n\r\t UART0 - 9600bps communicates with PC \n\r\t UART3 - 9600bps receives infrared signal\n\r";
frank26080115	0:bf7b9fba3924	43	uint8_t menu3[] = "\t The demo keep reading input infrared signal and display through 8 led bank \n\r";
frank26080115	0:bf7b9fba3924	44	/************************ PRIVATE FUNCTIONS ***********************/
frank26080115	0:bf7b9fba3924	45	void print_menu(void);
frank26080115	0:bf7b9fba3924	46
frank26080115	0:bf7b9fba3924	47	/-------------------------PRIVATE FUNCTIONS------------------------------/
frank26080115	0:bf7b9fba3924	48	/*******************************************************************//
frank26080115	0:bf7b9fba3924	49	* @brief Print Welcome menu
frank26080115	0:bf7b9fba3924	50	* @param[in] none
frank26080115	0:bf7b9fba3924	51	* @return None
frank26080115	0:bf7b9fba3924	52	**********************************************************************/
frank26080115	0:bf7b9fba3924	53	void print_menu(void)
frank26080115	0:bf7b9fba3924	54	{
frank26080115	0:bf7b9fba3924	55	UART_Send(TEST_UART, menu1, sizeof(menu1), BLOCKING);
frank26080115	0:bf7b9fba3924	56	UART_Send(TEST_UART, menu2, sizeof(menu2), BLOCKING);
frank26080115	0:bf7b9fba3924	57	UART_Send(TEST_UART, menu3, sizeof(menu3), BLOCKING);
frank26080115	0:bf7b9fba3924	58	}
frank26080115	0:bf7b9fba3924	59
frank26080115	0:bf7b9fba3924	60
frank26080115	0:bf7b9fba3924	61
frank26080115	0:bf7b9fba3924	62	/-------------------------MAIN FUNCTION------------------------------/
frank26080115	0:bf7b9fba3924	63	/*******************************************************************//
frank26080115	0:bf7b9fba3924	64	* @brief c_entry: Main UART program body
frank26080115	0:bf7b9fba3924	65	* @param[in] None
frank26080115	0:bf7b9fba3924	66	* @return int
frank26080115	0:bf7b9fba3924	67	**********************************************************************/
frank26080115	0:bf7b9fba3924	68	int c_entry(void)
frank26080115	0:bf7b9fba3924	69	{
frank26080115	0:bf7b9fba3924	70	// UART Configuration structure variable
frank26080115	0:bf7b9fba3924	71	UART_CFG_Type UARTConfigStruct;
frank26080115	0:bf7b9fba3924	72	// UART FIFO configuration Struct variable
frank26080115	0:bf7b9fba3924	73	UART_FIFO_CFG_Type UARTFIFOConfigStruct;
frank26080115	0:bf7b9fba3924	74	// Pin configuration for UART0
frank26080115	0:bf7b9fba3924	75	PINSEL_CFG_Type PinCfg;
frank26080115	0:bf7b9fba3924	76	uint32_t len;
frank26080115	0:bf7b9fba3924	77	uint32_t led_mask[] = { 1<<28, 1<<29, 1UL<<31, 1<<2, 1<<3, 1<<4, 1<<5, 1<<6 };
frank26080115	0:bf7b9fba3924	78	uint8_t buffer,i;
frank26080115	0:bf7b9fba3924	79
frank26080115	0:bf7b9fba3924	80	//Initialize for 8 led bank
frank26080115	0:bf7b9fba3924	81	GPIO_SetDir(1, 0xB0000000, 1); /* LEDs on PORT1 defined as Output */
frank26080115	0:bf7b9fba3924	82	GPIO_SetDir(2, 0x0000007C, 1); /* LEDs on PORT2 defined as Output */
frank26080115	0:bf7b9fba3924	83
frank26080115	0:bf7b9fba3924	84	GPIO_ClearValue(1, 0xB0000000);
frank26080115	0:bf7b9fba3924	85	GPIO_ClearValue(2, 0x0000007C);
frank26080115	0:bf7b9fba3924	86
frank26080115	0:bf7b9fba3924	87	#if (UART_PORT == 0)
frank26080115	0:bf7b9fba3924	88	/*
frank26080115	0:bf7b9fba3924	89	* Initialize UART0 pin connect
frank26080115	0:bf7b9fba3924	90	*/
frank26080115	0:bf7b9fba3924	91	PinCfg.Funcnum = 1;
frank26080115	0:bf7b9fba3924	92	PinCfg.OpenDrain = 0;
frank26080115	0:bf7b9fba3924	93	PinCfg.Pinmode = 0;
frank26080115	0:bf7b9fba3924	94	PinCfg.Pinnum = 2;
frank26080115	0:bf7b9fba3924	95	PinCfg.Portnum = 0;
frank26080115	0:bf7b9fba3924	96	PINSEL_ConfigPin(&PinCfg);//P0.2 TXD0
frank26080115	0:bf7b9fba3924	97	#endif
frank26080115	0:bf7b9fba3924	98
frank26080115	0:bf7b9fba3924	99	#if (UART_PORT == 1)
frank26080115	0:bf7b9fba3924	100	/*
frank26080115	0:bf7b9fba3924	101	* Initialize UART1 pin connect
frank26080115	0:bf7b9fba3924	102	*/
frank26080115	0:bf7b9fba3924	103	PinCfg.Funcnum = 2;
frank26080115	0:bf7b9fba3924	104	PinCfg.OpenDrain = 0;
frank26080115	0:bf7b9fba3924	105	PinCfg.Pinmode = 0;
frank26080115	0:bf7b9fba3924	106	PinCfg.Pinnum = 0;
frank26080115	0:bf7b9fba3924	107	PinCfg.Portnum = 2;
frank26080115	0:bf7b9fba3924	108	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	109	PinCfg.Pinnum = 1;
frank26080115	0:bf7b9fba3924	110	PINSEL_ConfigPin(&PinCfg);
frank26080115	0:bf7b9fba3924	111	#endif
frank26080115	0:bf7b9fba3924	112	/*
frank26080115	0:bf7b9fba3924	113	* Initialize UART3 pin connect
frank26080115	0:bf7b9fba3924	114	*/
frank26080115	0:bf7b9fba3924	115	PinCfg.Funcnum = 3;
frank26080115	0:bf7b9fba3924	116	PinCfg.OpenDrain = 0;
frank26080115	0:bf7b9fba3924	117	PinCfg.Pinmode = 0;
frank26080115	0:bf7b9fba3924	118	PinCfg.Pinnum = 26;
frank26080115	0:bf7b9fba3924	119	PinCfg.Portnum = 0;
frank26080115	0:bf7b9fba3924	120	PINSEL_ConfigPin(&PinCfg);//P0.26 RXD3
frank26080115	0:bf7b9fba3924	121
frank26080115	0:bf7b9fba3924	122	/* Initialize UART Configuration parameter structure to default state:
frank26080115	0:bf7b9fba3924	123	* Baudrate = 9600bps
frank26080115	0:bf7b9fba3924	124	* 8 data bit
frank26080115	0:bf7b9fba3924	125	* 1 Stop bit
frank26080115	0:bf7b9fba3924	126	* None parity
frank26080115	0:bf7b9fba3924	127	*/
frank26080115	0:bf7b9fba3924	128	UART_ConfigStructInit(&UARTConfigStruct);
frank26080115	0:bf7b9fba3924	129
frank26080115	0:bf7b9fba3924	130	// Initialize UART0 & UART3 peripheral with given to corresponding parameter
frank26080115	0:bf7b9fba3924	131	UART_Init(TEST_UART, &UARTConfigStruct);
frank26080115	0:bf7b9fba3924	132	UART_Init(TEST_IRDA, &UARTConfigStruct);
frank26080115	0:bf7b9fba3924	133	/* Initialize FIFOConfigStruct to default state:
frank26080115	0:bf7b9fba3924	134	* - FIFO_DMAMode = DISABLE
frank26080115	0:bf7b9fba3924	135	* - FIFO_Level = UART_FIFO_TRGLEV0
frank26080115	0:bf7b9fba3924	136	* - FIFO_ResetRxBuf = ENABLE
frank26080115	0:bf7b9fba3924	137	* - FIFO_ResetTxBuf = ENABLE
frank26080115	0:bf7b9fba3924	138	* - FIFO_State = ENABLE
frank26080115	0:bf7b9fba3924	139	*/
frank26080115	0:bf7b9fba3924	140	UART_FIFOConfigStructInit(&UARTFIFOConfigStruct);
frank26080115	0:bf7b9fba3924	141
frank26080115	0:bf7b9fba3924	142	// Initialize FIFO for UART0 & UART3 peripheral
frank26080115	0:bf7b9fba3924	143	UART_FIFOConfig(TEST_UART, &UARTFIFOConfigStruct);
frank26080115	0:bf7b9fba3924	144	UART_FIFOConfig(TEST_IRDA, &UARTFIFOConfigStruct);
frank26080115	0:bf7b9fba3924	145	//Configure and enable IrDA mode on UART
frank26080115	0:bf7b9fba3924	146	UART_IrDACmd(TEST_IRDA,ENABLE);
frank26080115	0:bf7b9fba3924	147
frank26080115	0:bf7b9fba3924	148	// Enable UART Transmit
frank26080115	0:bf7b9fba3924	149	UART_TxCmd(TEST_UART, ENABLE);
frank26080115	0:bf7b9fba3924	150
frank26080115	0:bf7b9fba3924	151	// print welcome screen
frank26080115	0:bf7b9fba3924	152	print_menu();
frank26080115	0:bf7b9fba3924	153
frank26080115	0:bf7b9fba3924	154	/* Read some data from the buffer */
frank26080115	0:bf7b9fba3924	155	while (1)
frank26080115	0:bf7b9fba3924	156	{
frank26080115	0:bf7b9fba3924	157	len=0;
frank26080115	0:bf7b9fba3924	158	while(len==0)
frank26080115	0:bf7b9fba3924	159	{
frank26080115	0:bf7b9fba3924	160	len = UART_Receive(TEST_IRDA, &buffer, 1, NONE_BLOCKING);
frank26080115	0:bf7b9fba3924	161	}
frank26080115	0:bf7b9fba3924	162	if(buffer!=0)
frank26080115	0:bf7b9fba3924	163	{
frank26080115	0:bf7b9fba3924	164	for(i=0;i<8;i++)
frank26080115	0:bf7b9fba3924	165	{
frank26080115	0:bf7b9fba3924	166	if((buffer>>i)&0x01){//set
frank26080115	0:bf7b9fba3924	167	if(i<3)
frank26080115	0:bf7b9fba3924	168	GPIO_SetValue(1, led_mask[i]);
frank26080115	0:bf7b9fba3924	169	else
frank26080115	0:bf7b9fba3924	170	GPIO_SetValue(2, led_mask[i]);
frank26080115	0:bf7b9fba3924	171	}
frank26080115	0:bf7b9fba3924	172	else { //clear
frank26080115	0:bf7b9fba3924	173	if(i<3)
frank26080115	0:bf7b9fba3924	174	GPIO_ClearValue(1, led_mask[i]);
frank26080115	0:bf7b9fba3924	175	else
frank26080115	0:bf7b9fba3924	176	GPIO_ClearValue(2, led_mask[i]);
frank26080115	0:bf7b9fba3924	177	}
frank26080115	0:bf7b9fba3924	178	}
frank26080115	0:bf7b9fba3924	179	}
frank26080115	0:bf7b9fba3924	180	else //clear 8 led bank
frank26080115	0:bf7b9fba3924	181	{
frank26080115	0:bf7b9fba3924	182	GPIO_ClearValue(1, 0xB0000000);
frank26080115	0:bf7b9fba3924	183	GPIO_ClearValue(2, 0x0000007C);
frank26080115	0:bf7b9fba3924	184	}
frank26080115	0:bf7b9fba3924	185	}
frank26080115	0:bf7b9fba3924	186
frank26080115	0:bf7b9fba3924	187	// wait for current transmission complete - THR must be empty
frank26080115	0:bf7b9fba3924	188	//while (UART_CheckBusy(TEST_UART) == SET);
frank26080115	0:bf7b9fba3924	189
frank26080115	0:bf7b9fba3924	190	// DeInitialize UART0 peripheral
frank26080115	0:bf7b9fba3924	191	//UART_DeInit(TEST_UART);
frank26080115	0:bf7b9fba3924	192
frank26080115	0:bf7b9fba3924	193	/* Loop forever */
frank26080115	0:bf7b9fba3924	194	//while(1);
frank26080115	0:bf7b9fba3924	195	return 1;
frank26080115	0:bf7b9fba3924	196	}
frank26080115	0:bf7b9fba3924	197
frank26080115	0:bf7b9fba3924	198	/* With ARM and GHS toolsets, the entry point is main() - this will
frank26080115	0:bf7b9fba3924	199	allow the linker to generate wrapper code to setup stacks, allocate
frank26080115	0:bf7b9fba3924	200	heap area, and initialize and copy code and data segments. For GNU
frank26080115	0:bf7b9fba3924	201	toolsets, the entry point is through __start() in the crt0_gnu.asm
frank26080115	0:bf7b9fba3924	202	file, and that startup code will setup stacks and data */
frank26080115	0:bf7b9fba3924	203	int main(void)
frank26080115	0:bf7b9fba3924	204	{
frank26080115	0:bf7b9fba3924	205	return c_entry();
frank26080115	0:bf7b9fba3924	206	}
frank26080115	0:bf7b9fba3924	207
frank26080115	0:bf7b9fba3924	208
frank26080115	0:bf7b9fba3924	209	#ifdef DEBUG
frank26080115	0:bf7b9fba3924	210	/*******************************************************************************
frank26080115	0:bf7b9fba3924	211	* @brief Reports the name of the source file and the source line number
frank26080115	0:bf7b9fba3924	212	* where the CHECK_PARAM error has occurred.
frank26080115	0:bf7b9fba3924	213	* @param[in] file Pointer to the source file name
frank26080115	0:bf7b9fba3924	214	* @param[in] line assert_param error line source number
frank26080115	0:bf7b9fba3924	215	* @return None
frank26080115	0:bf7b9fba3924	216	*******************************************************************************/
frank26080115	0:bf7b9fba3924	217	void check_failed(uint8_t *file, uint32_t line)
frank26080115	0:bf7b9fba3924	218	{
frank26080115	0:bf7b9fba3924	219	/* User can add his own implementation to report the file name and line number,
frank26080115	0:bf7b9fba3924	220	ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
frank26080115	0:bf7b9fba3924	221
frank26080115	0:bf7b9fba3924	222	/* Infinite loop */
frank26080115	0:bf7b9fba3924	223	while(1);
frank26080115	0:bf7b9fba3924	224	}
frank26080115	0:bf7b9fba3924	225	#endif
frank26080115	0:bf7b9fba3924	226	/*
frank26080115	0:bf7b9fba3924	227	* @}
frank26080115	0:bf7b9fba3924	228	*/

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

UART/IrDA/Receive/uart_irda_receive.c@0:bf7b9fba3924, 2011-03-20 (annotated)

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