LPCOpen Platform  v1.03
LPCOpen Platform for NXP LPC Microcontrollers
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
Modules | Macros | Functions
NXP LPC1769 Xpresso board support functions
BOARD: LPC17xx and LPC40xx boards

Detailed Description

Modules

 BOARD: NXP LPC1769 Xpresso board build options
 
 NXP LPC1769 Xpresso board system init code
 

Macros

#define BOARD_NXP_XPRESSO_1769
 
#define LEDS_LED1   0x01
 
#define LEDS_LED2   0x02
 
#define LEDS_LED3   0x04
 
#define LEDS_LED4   0x08
 
#define LEDS_NO_LEDS   0x00
 
#define BUTTONS_BUTTON1   0x01
 
#define NO_BUTTON_PRESSED   0x00
 
#define JOY_UP   0x01
 
#define JOY_DOWN   0x02
 
#define JOY_LEFT   0x04
 
#define JOY_RIGHT   0x08
 
#define JOY_PRESS   0x10
 
#define MCB_17XX_AUDIO_MIC_SELECT   0x00
 
#define MCB_17XX_AUDIO_LINE_IN_SELECT   0x00
 

Functions

void Board_UART_Init (LPC_USART_T *pUART)
 Initialize pin muxing for a UART.
 
void Board_ENET_GetMacADDR (uint8_t *mcaddr)
 Returns the MAC address assigned to this board.
 
void Board_Audio_Init (uint8_t audio_in_sel)
 Sets up board audio output.
 
void Board_SSP_Init (LPC_SSP_T *pSSP)
 Initialize pin muxing for SSP interface.
 
void Board_SPI_Init (bool isMaster)
 Initialize pin muxing for SPI interface.
 
void Board_SPI_AssertSSEL (void)
 Assert SSEL pin.
 
void Board_SPI_DeassertSSEL (void)
 De-assert SSEL pin.
 
void Board_I2C_Init (I2C_ID_T id)
 Sets up board specific I2C interface.
 
STATIC INLINE void Board_I2C_EnableFastPlus (I2C_ID_T id)
 Sets up I2C Fast Plus mode.
 
STATIC INLINE void Board_I2C_DisableFastPlus (I2C_ID_T id)
 Disables I2C Fast plus mode and enable normal mode.
 
void Board_Buttons_Init (void)
 Initialize buttons on the board.
 
uint32_t Buttons_GetStatus (void)
 Get button status.
 
void Board_Joystick_Init (void)
 Initialize Joystick.
 
uint8_t Joystick_GetStatus (void)
 Get Joystick status.
 
void Serial_CreateStream (void *Stream)
 Create Serial Stream.
 

Macro Definition Documentation

#define BOARD_NXP_XPRESSO_1769

Build for Xpresso LPC1769 board

Definition at line 60 of file board_nxp_xpresso_1769.h.

#define BUTTONS_BUTTON1   0x01

Button defines

Definition at line 74 of file board_nxp_xpresso_1769.h.

#define BUTTONS_BUTTON1_GPIO_BIT_NUM   10

Definition at line 46 of file board_nxp_xpresso_1769.c.

#define BUTTONS_BUTTON1_GPIO_PORT_NUM   2

Definition at line 45 of file board_nxp_xpresso_1769.c.

#define JOY_DOWN   0x02

Definition at line 81 of file board_nxp_xpresso_1769.h.

#define JOY_LEFT   0x04

Definition at line 82 of file board_nxp_xpresso_1769.h.

#define JOY_PRESS   0x10

Definition at line 84 of file board_nxp_xpresso_1769.h.

#define JOY_RIGHT   0x08

Definition at line 83 of file board_nxp_xpresso_1769.h.

#define JOY_UP   0x01

Joystick defines

Definition at line 80 of file board_nxp_xpresso_1769.h.

#define JOYSTICK_DOWN_GPIO_BIT_NUM   15

Definition at line 50 of file board_nxp_xpresso_1769.c.

#define JOYSTICK_DOWN_GPIO_PORT_NUM   0

Definition at line 49 of file board_nxp_xpresso_1769.c.

#define JOYSTICK_LEFT_GPIO_BIT_NUM   4

Definition at line 52 of file board_nxp_xpresso_1769.c.

#define JOYSTICK_LEFT_GPIO_PORT_NUM   2

Definition at line 51 of file board_nxp_xpresso_1769.c.

#define JOYSTICK_PRESS_GPIO_BIT_NUM   17

Definition at line 56 of file board_nxp_xpresso_1769.c.

#define JOYSTICK_PRESS_GPIO_PORT_NUM   0

Definition at line 55 of file board_nxp_xpresso_1769.c.

#define JOYSTICK_RIGHT_GPIO_BIT_NUM   16

Definition at line 54 of file board_nxp_xpresso_1769.c.

#define JOYSTICK_RIGHT_GPIO_PORT_NUM   0

Definition at line 53 of file board_nxp_xpresso_1769.c.

#define JOYSTICK_UP_GPIO_BIT_NUM   3

Definition at line 48 of file board_nxp_xpresso_1769.c.

#define JOYSTICK_UP_GPIO_PORT_NUM   2

Definition at line 47 of file board_nxp_xpresso_1769.c.

#define LED0_GPIO_BIT_NUM   22

Definition at line 58 of file board_nxp_xpresso_1769.c.

#define LED0_GPIO_PORT_NUM   0

Definition at line 57 of file board_nxp_xpresso_1769.c.

#define LEDS_LED1   0x01

LED defines

Definition at line 65 of file board_nxp_xpresso_1769.h.

#define LEDS_LED2   0x02

Definition at line 66 of file board_nxp_xpresso_1769.h.

#define LEDS_LED3   0x04

Definition at line 67 of file board_nxp_xpresso_1769.h.

#define LEDS_LED4   0x08

Definition at line 68 of file board_nxp_xpresso_1769.h.

#define LEDS_NO_LEDS   0x00

Definition at line 69 of file board_nxp_xpresso_1769.h.

#define MCB_17XX_AUDIO_LINE_IN_SELECT   0x00

Definition at line 90 of file board_nxp_xpresso_1769.h.

#define MCB_17XX_AUDIO_MIC_SELECT   0x00

Dummy audio input selection values enum

Definition at line 89 of file board_nxp_xpresso_1769.h.

#define NO_BUTTON_PRESSED   0x00

Definition at line 75 of file board_nxp_xpresso_1769.h.

Function Documentation

void Board_Audio_Init ( uint8_t  audio_in_sel)

Sets up board audio output.

Parameters
audio_in_sel: audio input selection
Returns
Nothing

Definition at line 255 of file board_nxp_xpresso_1769.c.

void Board_Buttons_Init ( void  )

Initialize buttons on the board.

Returns
Nothing

Definition at line 186 of file board_nxp_xpresso_11u14.c.

void Board_Debug_Init ( void  )

Initializes board UART for output, required for printf redirection.

Returns
None

Definition at line 98 of file board_nxp_xpresso_1769.c.

void Board_ENET_GetMacADDR ( uint8_t *  mcaddr)

Returns the MAC address assigned to this board.

Parameters
mcaddr: Pointer to 6-byte character array to populate with MAC address
Returns
Nothing
Note
Returns the MAC address used by Ethernet

Definition at line 461 of file board_ea_devkit_17884088.c.

STATIC INLINE void Board_I2C_DisableFastPlus ( I2C_ID_T  id)

Disables I2C Fast plus mode and enable normal mode.

Parameters
id: Must always be I2C0
Returns
Nothing

Definition at line 166 of file board_nxp_xpresso_1769.h.

STATIC INLINE void Board_I2C_EnableFastPlus ( I2C_ID_T  id)

Sets up I2C Fast Plus mode.

Parameters
id: Must always be I2C0
Returns
Nothing
Note
This function must be called before calling Chip_I2C_SetClockRate() to set clock rates above normal range 100KHz to 400KHz. Only I2C0 supports this mode.

Definition at line 156 of file board_nxp_xpresso_1769.h.

void Board_I2C_Init ( I2C_ID_T  id)

Sets up board specific I2C interface.

Parameters
id: ID of I2C peripheral
Returns
Nothing

Sets up board specific I2C interface.

Parameters
id: Must be passed as I2C0
Returns
Nothing
Parameters
id: I2C peripheral ID (Must be I2C0)
Returns
Nothing
Parameters
id: I2C peripheral ID (I2C0, I2C1 or I2C2)
Returns
Nothing

Sets up board specific I2C interface.

Parameters
id: Must be passed as I2C0
Returns
Nothing
Parameters
id: I2C peripheral ID (Must be I2C0)
Returns
Nothing

Definition at line 88 of file board_nxp_xpresso_11c24.h.

void Board_Init ( void  )

Set up and initialize all required blocks and functions related to the board hardware.

Returns
None

Definition at line 161 of file board_nxp_xpresso_1769.c.

void Board_Joystick_Init ( void  )

Initialize Joystick.

Returns
Nothing

Definition at line 200 of file board_nxp_xpresso_11u14.c.

static void Board_LED_Init ( void  )
static

Definition at line 72 of file board_nxp_xpresso_1769.c.

void Board_LED_Set ( uint8_t  LEDNumber,
bool  State 
)

Sets the state of a board LED to on or off.

Parameters
LEDNumber: LED number to set state for
State: true for on, false for off
Returns
None

Definition at line 145 of file board_nxp_xpresso_1769.c.

bool Board_LED_Test ( uint8_t  LEDNumber)

Returns the current state of a board LED.

Parameters
LEDNumber: LED number to set state for
Returns
true if the LED is on, otherwise false

Definition at line 154 of file board_nxp_xpresso_1769.c.

void Board_SPI_AssertSSEL ( void  )

Assert SSEL pin.

Returns
Nothing

Definition at line 244 of file board_nxp_xpresso_1769.c.

void Board_SPI_DeassertSSEL ( void  )

De-assert SSEL pin.

Returns
Nothing

Definition at line 250 of file board_nxp_xpresso_1769.c.

void Board_SPI_Init ( bool  isMaster)

Initialize pin muxing for SPI interface.

Parameters
isMaster: true for master mode, false for slave mode
Returns
Nothing

Definition at line 219 of file board_nxp_xpresso_1769.c.

void Board_SSP_Init ( LPC_SSP_T *  pSSP)

Initialize pin muxing for SSP interface.

Parameters
pSSP: Pointer to SSP interface to initialize
Returns
Nothing

Definition at line 169 of file board_nxp_xpresso_1347.c.

void Board_UART_Init ( LPC_USART_T *  pUART)

Initialize pin muxing for a UART.

Parameters
pUART: Pointer to UART register block for UART pins to init
Returns
Nothing

Definition at line 379 of file board_ea_devkit_17884088.c.

int Board_UARTGetChar ( void  )

Get a single character from the UART, required for scanf input.

Returns
EOF if not character was received, or character value

Definition at line 122 of file board_nxp_xpresso_1769.c.

void Board_UARTPutChar ( char  ch)

Sends a single character on the UART, required for printf redirection.

Parameters
ch: character to send
Returns
None

Definition at line 114 of file board_nxp_xpresso_1769.c.

void Board_UARTPutSTR ( char *  str)

Prints a string to the UART.

Parameters
str: Terminated string to output
Returns
None

Definition at line 135 of file board_nxp_xpresso_1769.c.

uint32_t Buttons_GetStatus ( void  )

Get button status.

Returns
status of button

Definition at line 191 of file board_nxp_xpresso_11u14.c.

uint8_t Joystick_GetStatus ( void  )

Get Joystick status.

Returns
status of Joystick

System Clock Frequency (Core Clock)

Definition at line 214 of file board_nxp_xpresso_11u14.c.

void Serial_CreateStream ( void *  Stream)

Create Serial Stream.

Parameters
Stream: Pointer to stream
Returns
Nothing

Definition at line 833 of file board_ea_devkit_17884088.c.

void SystemCoreClockUpdate ( void  )

Update system core clock rate, should be called if the system has a clock rate change.

Returns
None

Definition at line 85 of file board_nxp_xpresso_1769.c.

Variable Documentation

uint32_t SystemCoreClock

Current system clock rate, mainly used for sysTick.

< System Clock Frequency (Core Clock)

Definition at line 65 of file board_nxp_xpresso_1769.c.