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!

LCD/NOKIA6610_LCD/glcd_ll.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	*
frank26080115	0:bf7b9fba3924	3	*
frank26080115	0:bf7b9fba3924	4	* (c) Copyright IAR Systems 2006
frank26080115	0:bf7b9fba3924	5	*
frank26080115	0:bf7b9fba3924	6	* File name : glcd_ll.c
frank26080115	0:bf7b9fba3924	7	* Description : GLCD low level functions
frank26080115	0:bf7b9fba3924	8	*
frank26080115	0:bf7b9fba3924	9	* History :
frank26080115	0:bf7b9fba3924	10	* 1. Date : December 2, 2006
frank26080115	0:bf7b9fba3924	11	* Author : Stanimir Bonev
frank26080115	0:bf7b9fba3924	12	* Description : Create
frank26080115	0:bf7b9fba3924	13	*
frank26080115	0:bf7b9fba3924	14	* $Revision: 30123 $
frank26080115	0:bf7b9fba3924	15	**************************************************************************/
frank26080115	0:bf7b9fba3924	16	#include "glcd_ll.h"
frank26080115	0:bf7b9fba3924	17	#include "lpc_types.h"
frank26080115	0:bf7b9fba3924	18	#include "LPC17xx.h"
frank26080115	0:bf7b9fba3924	19	#include "lpc17xx_clkpwr.h"
frank26080115	0:bf7b9fba3924	20
frank26080115	0:bf7b9fba3924	21	/*************************************************************************
frank26080115	0:bf7b9fba3924	22	* Function Name: GLCD_SetReset
frank26080115	0:bf7b9fba3924	23	* Parameters: Boolean State
frank26080115	0:bf7b9fba3924	24	* Return: none
frank26080115	0:bf7b9fba3924	25	*
frank26080115	0:bf7b9fba3924	26	* Description: Set reset pin state
frank26080115	0:bf7b9fba3924	27	*
frank26080115	0:bf7b9fba3924	28	*************************************************************************/
frank26080115	0:bf7b9fba3924	29	void GLCD_SetReset (Bool State)
frank26080115	0:bf7b9fba3924	30	{
frank26080115	0:bf7b9fba3924	31	if(State)
frank26080115	0:bf7b9fba3924	32	{
frank26080115	0:bf7b9fba3924	33	LPC_GPIO3->FIOSET \|= (1UL<<25);
frank26080115	0:bf7b9fba3924	34	}
frank26080115	0:bf7b9fba3924	35	else
frank26080115	0:bf7b9fba3924	36	{
frank26080115	0:bf7b9fba3924	37	LPC_GPIO3->FIOCLR \|= (1<<25);
frank26080115	0:bf7b9fba3924	38	}
frank26080115	0:bf7b9fba3924	39	}
frank26080115	0:bf7b9fba3924	40
frank26080115	0:bf7b9fba3924	41	/*************************************************************************
frank26080115	0:bf7b9fba3924	42	* Function Name: GLCD_Backlight
frank26080115	0:bf7b9fba3924	43	* Parameters: Int8U Light
frank26080115	0:bf7b9fba3924	44	* Return: none
frank26080115	0:bf7b9fba3924	45	*
frank26080115	0:bf7b9fba3924	46	* Description: Set backlight pin state
frank26080115	0:bf7b9fba3924	47	*
frank26080115	0:bf7b9fba3924	48	*************************************************************************/
frank26080115	0:bf7b9fba3924	49	void GLCD_Backlight (uint8_t Light)
frank26080115	0:bf7b9fba3924	50	{
frank26080115	0:bf7b9fba3924	51	LPC_PWM1->MR3 = BACKLIGHT_OFF + Light;
frank26080115	0:bf7b9fba3924	52	LPC_PWM1->LER \|= (1<<3);
frank26080115	0:bf7b9fba3924	53	}
frank26080115	0:bf7b9fba3924	54
frank26080115	0:bf7b9fba3924	55	/*************************************************************************
frank26080115	0:bf7b9fba3924	56	* Function Name: GLCD_LLInit
frank26080115	0:bf7b9fba3924	57	* Parameters: none
frank26080115	0:bf7b9fba3924	58	* Return: none
frank26080115	0:bf7b9fba3924	59	*
frank26080115	0:bf7b9fba3924	60	* Description: Init Reset and Backlight control outputs
frank26080115	0:bf7b9fba3924	61	*
frank26080115	0:bf7b9fba3924	62	*************************************************************************/
frank26080115	0:bf7b9fba3924	63	void GLCD_LLInit (void)
frank26080115	0:bf7b9fba3924	64	{
frank26080115	0:bf7b9fba3924	65	// LCD Reset output
frank26080115	0:bf7b9fba3924	66	LPC_GPIO3->FIODIR \|= (1UL<<25);
frank26080115	0:bf7b9fba3924	67
frank26080115	0:bf7b9fba3924	68	GLCD_SetReset(0);
frank26080115	0:bf7b9fba3924	69
frank26080115	0:bf7b9fba3924	70	// LCD backlight PWM 8bit init
frank26080115	0:bf7b9fba3924	71	LPC_PINCON->PINSEL7 \|= (3<<20) ; // assign P3.26 to PWM1.3
frank26080115	0:bf7b9fba3924	72	LPC_SC->PCONP \|= (1<<6); // enable clock of PWM1
frank26080115	0:bf7b9fba3924	73	LPC_PWM1->TCR &= ~(1<<3);
frank26080115	0:bf7b9fba3924	74	LPC_PWM1->TCR &= ~(1<<0); // disable counting
frank26080115	0:bf7b9fba3924	75	LPC_PWM1->TCR \|= (1<<1); // reset
frank26080115	0:bf7b9fba3924	76	LPC_PWM1->CTCR &= ~(3<<0); // from prescaler
frank26080115	0:bf7b9fba3924	77	LPC_PWM1->MCR = 2 ; // Reset on PWMMR0
frank26080115	0:bf7b9fba3924	78	LPC_PWM1->PCR &= ~(1<<3); // Selects single edge controlled mode for PWM3
frank26080115	0:bf7b9fba3924	79	LPC_PWM1->PCR \|= (1<<11); // The PWM3 output enabled
frank26080115	0:bf7b9fba3924	80
frank26080115	0:bf7b9fba3924	81	LPC_PWM1->PR = 0;
frank26080115	0:bf7b9fba3924	82	LPC_PWM1->MR0 = 0xFF; // 8bit resolution
frank26080115	0:bf7b9fba3924	83	LPC_PWM1->LER \|= (1<<0);
frank26080115	0:bf7b9fba3924	84	LPC_PWM1->MR3 = 0;
frank26080115	0:bf7b9fba3924	85	LPC_PWM1->LER \|= (1<<3);
frank26080115	0:bf7b9fba3924	86	LPC_PWM1->TCR \|= (1<<3); // enable PWM function
frank26080115	0:bf7b9fba3924	87	LPC_PWM1->TCR &= ~(1<<1); // release reset
frank26080115	0:bf7b9fba3924	88	LPC_PWM1->TCR \|= (1<<0); // enable counting
frank26080115	0:bf7b9fba3924	89	GLCD_Backlight(0);
frank26080115	0:bf7b9fba3924	90	}
frank26080115	0:bf7b9fba3924	91
frank26080115	0:bf7b9fba3924	92	/*************************************************************************
frank26080115	0:bf7b9fba3924	93	* Function Name: GLCD_SPI_ChipSelect
frank26080115	0:bf7b9fba3924	94	* Parameters: Boolean Select
frank26080115	0:bf7b9fba3924	95	* Return: none
frank26080115	0:bf7b9fba3924	96	*
frank26080115	0:bf7b9fba3924	97	* Description: SSP0 Chip select control
frank26080115	0:bf7b9fba3924	98	* Select = true - Chip is enable
frank26080115	0:bf7b9fba3924	99	* Select = false - Chip is disable
frank26080115	0:bf7b9fba3924	100	*
frank26080115	0:bf7b9fba3924	101	*************************************************************************/
frank26080115	0:bf7b9fba3924	102	void GLCD_SPI_ChipSelect (Bool Select)
frank26080115	0:bf7b9fba3924	103	{
frank26080115	0:bf7b9fba3924	104	if (Select)
frank26080115	0:bf7b9fba3924	105	{
frank26080115	0:bf7b9fba3924	106	LPC_GPIO1->FIOCLR \|= (1<<21);
frank26080115	0:bf7b9fba3924	107	}
frank26080115	0:bf7b9fba3924	108	else
frank26080115	0:bf7b9fba3924	109	{
frank26080115	0:bf7b9fba3924	110	LPC_GPIO1->FIOSET \|= (1UL<<21);
frank26080115	0:bf7b9fba3924	111	}
frank26080115	0:bf7b9fba3924	112	}
frank26080115	0:bf7b9fba3924	113
frank26080115	0:bf7b9fba3924	114	/*************************************************************************
frank26080115	0:bf7b9fba3924	115	* Function Name: GLCD_SPI_SetWordWidth
frank26080115	0:bf7b9fba3924	116	* Parameters: Int32U Width
frank26080115	0:bf7b9fba3924	117	* Return: Boolean
frank26080115	0:bf7b9fba3924	118	*
frank26080115	0:bf7b9fba3924	119	* Description: Set SSP 0 word width
frank26080115	0:bf7b9fba3924	120	*
frank26080115	0:bf7b9fba3924	121	*************************************************************************/
frank26080115	0:bf7b9fba3924	122	Bool GLCD_SPI_SetWordWidth (uint32_t Width)
frank26080115	0:bf7b9fba3924	123	{
frank26080115	0:bf7b9fba3924	124	if(4 > Width \|\| Width > 16)
frank26080115	0:bf7b9fba3924	125	{
frank26080115	0:bf7b9fba3924	126	return(FALSE);
frank26080115	0:bf7b9fba3924	127	}
frank26080115	0:bf7b9fba3924	128
frank26080115	0:bf7b9fba3924	129	LPC_SSP0->CR0 &= ~(0x0F);
frank26080115	0:bf7b9fba3924	130	LPC_SSP0->CR0 \|= (Width - 1) & 0x0F;
frank26080115	0:bf7b9fba3924	131	return(TRUE);
frank26080115	0:bf7b9fba3924	132	}
frank26080115	0:bf7b9fba3924	133
frank26080115	0:bf7b9fba3924	134	/*************************************************************************
frank26080115	0:bf7b9fba3924	135	* Function Name: GLCD_SPI_SetClockFreq
frank26080115	0:bf7b9fba3924	136	* Parameters: Int32U Frequency
frank26080115	0:bf7b9fba3924	137	* Return: Int32U
frank26080115	0:bf7b9fba3924	138	*
frank26080115	0:bf7b9fba3924	139	* Description: Set SSP 0 clock
frank26080115	0:bf7b9fba3924	140	*
frank26080115	0:bf7b9fba3924	141	*************************************************************************/
frank26080115	0:bf7b9fba3924	142	uint32_t GLCD_SPI_SetClockFreq (uint32_t Frequency)
frank26080115	0:bf7b9fba3924	143	{
frank26080115	0:bf7b9fba3924	144	uint32_t Fspi = CLKPWR_GetPCLK(CLKPWR_PCLKSEL_SSP0);
frank26080115	0:bf7b9fba3924	145	uint32_t Div = 2;
frank26080115	0:bf7b9fba3924	146	while((Div * Frequency) < Fspi)
frank26080115	0:bf7b9fba3924	147	{
frank26080115	0:bf7b9fba3924	148	if((Div += 2) == 254)
frank26080115	0:bf7b9fba3924	149	{
frank26080115	0:bf7b9fba3924	150	break;
frank26080115	0:bf7b9fba3924	151	}
frank26080115	0:bf7b9fba3924	152	}
frank26080115	0:bf7b9fba3924	153	LPC_SSP0->CPSR = Div;
frank26080115	0:bf7b9fba3924	154	return(Fspi/Div);
frank26080115	0:bf7b9fba3924	155	}
frank26080115	0:bf7b9fba3924	156
frank26080115	0:bf7b9fba3924	157	/*************************************************************************
frank26080115	0:bf7b9fba3924	158	* Function Name: GLCD_SPI_Init
frank26080115	0:bf7b9fba3924	159	* Parameters: uint32_t Clk, uint32_t Width
frank26080115	0:bf7b9fba3924	160	* Return: none
frank26080115	0:bf7b9fba3924	161	*
frank26080115	0:bf7b9fba3924	162	* Description: Init SSP0
frank26080115	0:bf7b9fba3924	163	*
frank26080115	0:bf7b9fba3924	164	*************************************************************************/
frank26080115	0:bf7b9fba3924	165	void GLCD_SPI_Init(uint32_t Clk, uint32_t Width)
frank26080115	0:bf7b9fba3924	166	{
frank26080115	0:bf7b9fba3924	167	uint32_t i;
frank26080115	0:bf7b9fba3924	168	volatile uint32_t Dummy;
frank26080115	0:bf7b9fba3924	169	// Assign GPIO to SSP0 - SCK, MOSI, MISO
frank26080115	0:bf7b9fba3924	170	LPC_PINCON->PINSEL3 \|= (3<<8); // SCK0 - P1.20
frank26080115	0:bf7b9fba3924	171	LPC_PINCON->PINSEL3 \|= (3<<14); // MISO0 - P1.23
frank26080115	0:bf7b9fba3924	172	LPC_PINCON->PINSEL3 \|= (3<<16); // MOSI0 - P1.24
frank26080115	0:bf7b9fba3924	173
frank26080115	0:bf7b9fba3924	174	// Chip select
frank26080115	0:bf7b9fba3924	175	LPC_GPIO1->FIODIR \|= (1UL<<21); //SSEL0 used as GPIOP1.21
frank26080115	0:bf7b9fba3924	176
frank26080115	0:bf7b9fba3924	177	GLCD_SPI_ChipSelect(FALSE);
frank26080115	0:bf7b9fba3924	178
frank26080115	0:bf7b9fba3924	179	// Spi init
frank26080115	0:bf7b9fba3924	180	LPC_SC->PCONP \|= (1<<21); // SSP0 clock enable
frank26080115	0:bf7b9fba3924	181	LPC_SSP0->CR1 &= ~(1<<1); // Disable module
frank26080115	0:bf7b9fba3924	182	LPC_SSP0->CR1 &= ~(1<<0); // Disable Loop Back Mode
frank26080115	0:bf7b9fba3924	183	LPC_SSP0->CR1 &= ~(1<<2); // Master mode
frank26080115	0:bf7b9fba3924	184	LPC_SSP0->CR0 &= ~(3<<4); // SPI
frank26080115	0:bf7b9fba3924	185	LPC_SSP0->CR0 &= ~(1<<6); // CPOL = 0
frank26080115	0:bf7b9fba3924	186	LPC_SSP0->CR0 &= ~(1<<7); // CPHA = 0
frank26080115	0:bf7b9fba3924	187	LPC_SSP0->IMSC = 0; // disable all interrupts
frank26080115	0:bf7b9fba3924	188	LPC_SSP0->DMACR = 0; // disable DMA
frank26080115	0:bf7b9fba3924	189	LPC_SSP0->CR1 \|= (1<<1); // Enable module
frank26080115	0:bf7b9fba3924	190	for (i = 0; i < 8; i++ )
frank26080115	0:bf7b9fba3924	191	{
frank26080115	0:bf7b9fba3924	192	Dummy = LPC_SSP0->DR; // clear the RxFIFO
frank26080115	0:bf7b9fba3924	193	}
frank26080115	0:bf7b9fba3924	194	// Set SSP clock frequency
frank26080115	0:bf7b9fba3924	195	GLCD_SPI_SetClockFreq(Clk);
frank26080115	0:bf7b9fba3924	196	// Set data width
frank26080115	0:bf7b9fba3924	197	GLCD_SPI_SetWordWidth(Width);
frank26080115	0:bf7b9fba3924	198	}
frank26080115	0:bf7b9fba3924	199
frank26080115	0:bf7b9fba3924	200	/*************************************************************************
frank26080115	0:bf7b9fba3924	201	* Function Name: GLCD_SPI_TranserByte
frank26080115	0:bf7b9fba3924	202	* Parameters: uint32_t Data
frank26080115	0:bf7b9fba3924	203	* Return: uint32_t
frank26080115	0:bf7b9fba3924	204	*
frank26080115	0:bf7b9fba3924	205	* Description: Transfer byte from SSP0
frank26080115	0:bf7b9fba3924	206	*
frank26080115	0:bf7b9fba3924	207	*************************************************************************/
frank26080115	0:bf7b9fba3924	208	uint32_t GLCD_SPI_TranserByte (uint32_t Data)
frank26080115	0:bf7b9fba3924	209	{
frank26080115	0:bf7b9fba3924	210	while(!(LPC_SSP0->SR & (1<<1))); //check bit TNF
frank26080115	0:bf7b9fba3924	211	LPC_SSP0->DR = Data;
frank26080115	0:bf7b9fba3924	212	while((LPC_SSP0->SR & (1<<4))); //check bit BSY
frank26080115	0:bf7b9fba3924	213	return(LPC_SSP0->DR);
frank26080115	0:bf7b9fba3924	214	}
frank26080115	0:bf7b9fba3924	215
frank26080115	0:bf7b9fba3924	216	/*************************************************************************
frank26080115	0:bf7b9fba3924	217	* Function Name: GLCD_SPI_SendBlock
frank26080115	0:bf7b9fba3924	218	* Parameters: pInt8U pData, uint32_t Size
frank26080115	0:bf7b9fba3924	219	*
frank26080115	0:bf7b9fba3924	220	* Return: void
frank26080115	0:bf7b9fba3924	221	*
frank26080115	0:bf7b9fba3924	222	* Description: Write block of data to SSP
frank26080115	0:bf7b9fba3924	223	*
frank26080115	0:bf7b9fba3924	224	*************************************************************************/
frank26080115	0:bf7b9fba3924	225	void GLCD_SPI_SendBlock (unsigned char *pData, uint32_t Size)
frank26080115	0:bf7b9fba3924	226	{
frank26080115	0:bf7b9fba3924	227	volatile uint32_t Dummy;
frank26080115	0:bf7b9fba3924	228	uint32_t OutCount = Size;
frank26080115	0:bf7b9fba3924	229	while (OutCount)
frank26080115	0:bf7b9fba3924	230	{
frank26080115	0:bf7b9fba3924	231	while((LPC_SSP0->SR & (1<<1)) && OutCount)
frank26080115	0:bf7b9fba3924	232	{
frank26080115	0:bf7b9fba3924	233	LPC_SSP0->DR = *pData++ \| 0x100; // Data
frank26080115	0:bf7b9fba3924	234	--OutCount;
frank26080115	0:bf7b9fba3924	235	}
frank26080115	0:bf7b9fba3924	236	}
frank26080115	0:bf7b9fba3924	237	while(LPC_SSP0->SR & (1<<4)); //check bit BSY
frank26080115	0:bf7b9fba3924	238	// draining RX Fifo
frank26080115	0:bf7b9fba3924	239	while (LPC_SSP0->SR &(1<<2)) // check bit RNE
frank26080115	0:bf7b9fba3924	240	{
frank26080115	0:bf7b9fba3924	241	Dummy = LPC_SSP0->DR;
frank26080115	0:bf7b9fba3924	242	}
frank26080115	0:bf7b9fba3924	243	}
frank26080115	0:bf7b9fba3924	244
frank26080115	0:bf7b9fba3924	245	/*************************************************************************
frank26080115	0:bf7b9fba3924	246	* Function Name: GLCD_SPI_ReceiveBlock
frank26080115	0:bf7b9fba3924	247	* Parameters: unsigned char * pData, uint32_t Size
frank26080115	0:bf7b9fba3924	248	*
frank26080115	0:bf7b9fba3924	249	* Return: void
frank26080115	0:bf7b9fba3924	250	*
frank26080115	0:bf7b9fba3924	251	* Description: Read block of data from SSP
frank26080115	0:bf7b9fba3924	252	*
frank26080115	0:bf7b9fba3924	253	*************************************************************************/
frank26080115	0:bf7b9fba3924	254	void GLCD_SPI_ReceiveBlock (unsigned char *pData, uint32_t Size)
frank26080115	0:bf7b9fba3924	255	{
frank26080115	0:bf7b9fba3924	256	uint32_t Delta = 0;
frank26080115	0:bf7b9fba3924	257	while (Size \|\| Delta)
frank26080115	0:bf7b9fba3924	258	{
frank26080115	0:bf7b9fba3924	259	while((LPC_SSP0->SR & (1<<1)) && (Delta < SSP_FIFO_SIZE) && Size)
frank26080115	0:bf7b9fba3924	260	{
frank26080115	0:bf7b9fba3924	261	LPC_SSP0->DR = 0xFFFF;
frank26080115	0:bf7b9fba3924	262	--Size; ++Delta;
frank26080115	0:bf7b9fba3924	263	}
frank26080115	0:bf7b9fba3924	264	while (LPC_SSP0->SR & (1<<2)) //check bit RNE
frank26080115	0:bf7b9fba3924	265	{
frank26080115	0:bf7b9fba3924	266	*pData++ = LPC_SSP0->DR;
frank26080115	0:bf7b9fba3924	267	--Delta;
frank26080115	0:bf7b9fba3924	268	}
frank26080115	0:bf7b9fba3924	269	}
frank26080115	0:bf7b9fba3924	270	}

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

LCD/NOKIA6610_LCD/glcd_ll.c@0:bf7b9fba3924, 2011-03-20 (annotated)

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