LPCOpen Platform  v1.03
LPCOpen Platform for NXP LPC Microcontrollers
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Modules | Macros | Functions
NXP LPC812 Xpresso board support functions
BOARD: LPC8xx boards

Detailed Description

Modules

 BOARD: LPC812 board build options
 
 LPC812 NXP Xpresso board System Init code
 

Macros

#define BOARD_NXP_XPRESSO_812
 
#define LPC8XX_USE_ACMP_I1   (1) /* 0 to not configure ACMP_I1 to use pin choice below */
 
#define LPC8XX_ACMP_O_PINx   (PIO15) /* This value selects the output P0.x pin for the ACMP Output Function */
 

Functions

void Board_UART_Init (LPC_USART_T *pUART)
 Initialize pin muxing for UART interface.
 
void Board_SPI_Init (LPC_SPI_T *pSPI)
 Initialize pin muxing for SPI interface.
 
void Board_I2C_Init (void)
 Initialize pin muxing and clock for I2C interface.
 

Macro Definition Documentation

#define BLUE_LED_PORT_BIT   16

Definition at line 44 of file board_nxp_xpresso_812.c.

#define BOARD_NXP_XPRESSO_812

Definition at line 69 of file board_nxp_xpresso_812.h.

#define GREEN_LED_PORT_BIT   17

Definition at line 45 of file board_nxp_xpresso_812.c.

#define LPC8XX_ACMP_O_PINx   (PIO15) /* This value selects the output P0.x pin for the ACMP Output Function */

Definition at line 73 of file board_nxp_xpresso_812.h.

#define LPC8XX_USE_ACMP_I1   (1) /* 0 to not configure ACMP_I1 to use pin choice below */

Definition at line 72 of file board_nxp_xpresso_812.h.

#define RED_LED_PORT_BIT   7

Definition at line 43 of file board_nxp_xpresso_812.c.

Function Documentation

void Board_Debug_Init ( void  )

Initializes board UART for output, required for printf redirection.

Returns
None

Definition at line 216 of file board_nxp_xpresso_812.c.

void Board_I2C_Init ( void  )

Initialize pin muxing and clock for I2C interface.

Returns
Nothing

Definition at line 171 of file board_nxp_xpresso_812.c.

void Board_Init ( void  )

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

Returns
None

Definition at line 230 of file board_nxp_xpresso_812.c.

static void Board_LED_Init ( void  )
static

Definition at line 58 of file board_nxp_xpresso_812.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 72 of file board_nxp_xpresso_812.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 78 of file board_nxp_xpresso_812.c.

void Board_SPI_Init ( LPC_SPI_T *  pSPI)

Initialize pin muxing for SPI interface.

Parameters
pSPI: Pointer to SPI interface to initialize
Returns
Nothing

Definition at line 133 of file board_nxp_xpresso_812.c.

void Board_UART_Init ( LPC_USART_T *  pUART)

Initialize pin muxing for UART interface.

Parameters
pUART: Pointer to SPI interface to initialize
Returns
Nothing

Initialize pin muxing for UART interface.

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 193 of file board_nxp_xpresso_812.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 185 of file board_nxp_xpresso_812.c.

void Board_UARTPutSTR ( char *  str)

Prints a string to the UART.

Parameters
str: Terminated string to output
Returns
None

Definition at line 206 of file board_nxp_xpresso_812.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 90 of file board_nxp_xpresso_812.c.

Variable Documentation

const uint8_t LED_BITS[] = {RED_LED_PORT_BIT, BLUE_LED_PORT_BIT, GREEN_LED_PORT_BIT}
static

Definition at line 47 of file board_nxp_xpresso_812.c.

uint32_t SystemCoreClock

Current system clock rate, mainly used for sysTick.

< System Clock Frequency (Core Clock)

System Clock Frequency (Core Clock)

Definition at line 84 of file board_nxp_xpresso_812.c.