LPCOpen Platform  v1.03
LPCOpen Platform for NXP LPC Microcontrollers
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Macros | Functions
CHIP: LPC11xx GPIO Driver
LPC11xx chip specific drivers

Detailed Description

Macros

#define LPC_GPIO_PORTn_BASE(base, port)   ((LPC_GPIO_T *) (((uint32_t) base) + (port * 0x10000)))
 

Functions

void Chip_GPIO_Init (LPC_GPIO_T *pGPIO)
 Initialize GPIO block.
 
STATIC INLINE void Chip_GPIO_WritePortBit (LPC_GPIO_T *pGPIO, uint32_t port, uint8_t bit, bool setting)
 Set a GPIO port/bit state.
 
STATIC INLINE void Chip_GPIO_WriteDirBit (LPC_GPIO_T *pGPIO, uint32_t port, uint8_t bit, bool setting)
 Seta GPIO direction.
 
STATIC INLINE bool Chip_GPIO_ReadPortBit (LPC_GPIO_T *pGPIO, uint32_t port, uint8_t bit)
 Read a GPIO state.
 
STATIC INLINE bool Chip_GPIO_ReadDirBit (LPC_GPIO_T *pGPIO, uint32_t port, uint8_t bit)
 Read a GPIO direction (out or in)
 
STATIC INLINE void Chip_GPIO_IntCmd (LPC_GPIO_T *pGPIO, uint8_t portNum, uint8_t bitValue, IP_GPIOPININT_MODE_T mode)
 Enable GPIO Interrupt.
 
STATIC INLINE bool Chip_GPIO_IntGetStatus (LPC_GPIO_T *pGPIO, uint8_t portNum, uint8_t pinNum, uint8_t mode)
 Get GPIO Interrupt Status.
 
STATIC INLINE void Chip_GPIO_IntClear (LPC_GPIO_T *pGPIO, uint8_t portNum, uint8_t bitValue)
 Clear GPIO Interrupt (Edge interrupt cases only)
 
void Chip_GPIO_SetDir (LPC_GPIO_T *pGPIO, uint8_t portNum, uint32_t bitValue, uint8_t out)
 Set Direction for a GPIO port.
 
STATIC INLINE void Chip_GPIO_SetValue (LPC_GPIO_T *pGPIO, uint8_t portNum, uint32_t bitValue)
 Set a GPIO port/bit to the high state.
 
STATIC INLINE void Chip_GPIO_ClearValue (LPC_GPIO_T *pGPIO, uint8_t portNum, uint32_t bitValue)
 Set a GPIO port/bit to the low state.
 
STATIC INLINE uint32_t Chip_GPIO_ReadValue (LPC_GPIO_T *pGPIO, uint8_t portNum)
 Read current bit states for the selected port.
 

Macro Definition Documentation

#define LPC_GPIO_PORTn_BASE (   base,
  port 
)    ((LPC_GPIO_T *) (((uint32_t) base) + (port * 0x10000)))

Definition at line 44 of file gpio_11xx.h.

Function Documentation

STATIC INLINE void Chip_GPIO_ClearValue ( LPC_GPIO_T *  pGPIO,
uint8_t  portNum,
uint32_t  bitValue 
)

Set a GPIO port/bit to the low state.

Parameters
pGPIO: The base of GPIO peripheral on the chip
portNum: Port number
bitValue: Bit(s) in the port to set low
Returns
None
Note
Any bit set as a '0' will not have it's state changed. This only applies to ports configured as an output.

Definition at line 332 of file gpio_11xx.h.

void Chip_GPIO_Init ( LPC_GPIO_T *  pGPIO)

Initialize GPIO block.

Parameters
pGPIO: The base of GPIO peripheral on the chip
Returns
Nothing

Definition at line 51 of file gpio_11xx.c.

STATIC INLINE void Chip_GPIO_IntClear ( LPC_GPIO_T *  pGPIO,
uint8_t  portNum,
uint8_t  bitValue 
)

Clear GPIO Interrupt (Edge interrupt cases only)

Parameters
pGPIO: The base of GPIO peripheral on the chip
portNum: GPIO port number interrupt, should be: 0 to 7
bitValue: GPIO bit to clear (Not used)
Returns
None

Definition at line 161 of file gpio_11xx.h.

STATIC INLINE void Chip_GPIO_IntCmd ( LPC_GPIO_T *  pGPIO,
uint8_t  portNum,
uint8_t  bitValue,
IP_GPIOPININT_MODE_T  mode 
)

Enable GPIO Interrupt.

Parameters
pGPIO: The base of GPIO peripheral on the chip
portNum: GPIO port number interrupt, should be: 0 to 7
bitValue: GPIO bit to enable (Not used)
mode: Interrupt mode
Returns
None

Definition at line 128 of file gpio_11xx.h.

STATIC INLINE bool Chip_GPIO_IntGetStatus ( LPC_GPIO_T *  pGPIO,
uint8_t  portNum,
uint8_t  pinNum,
uint8_t  mode 
)

Get GPIO Interrupt Status.

Parameters
pGPIO: The base of GPIO peripheral on the chip
portNum: GPIO port number interrupt, should be: 0 to 7
pinNum: GPIO pin to check (Not used)
mode: Interrupt mode (Not used)
Returns
true if interrupt is pending, otherwise false

Definition at line 145 of file gpio_11xx.h.

STATIC INLINE bool Chip_GPIO_ReadDirBit ( LPC_GPIO_T *  pGPIO,
uint32_t  port,
uint8_t  bit 
)

Read a GPIO direction (out or in)

Parameters
pGPIO: The base of GPIO peripheral on the chip
port: GPIO port to read
bit: GPIO bit to read
Returns
true of the GPIO is an output, false if input

Definition at line 111 of file gpio_11xx.h.

STATIC INLINE bool Chip_GPIO_ReadPortBit ( LPC_GPIO_T *  pGPIO,
uint32_t  port,
uint8_t  bit 
)

Read a GPIO state.

Parameters
pGPIO: The base of GPIO peripheral on the chip
port: GPIO port to read
bit: GPIO bit to read
Returns
true of the GPIO is high, false if low

Definition at line 95 of file gpio_11xx.h.

STATIC INLINE uint32_t Chip_GPIO_ReadValue ( LPC_GPIO_T *  pGPIO,
uint8_t  portNum 
)

Read current bit states for the selected port.

Parameters
pGPIO: The base of GPIO peripheral on the chip
portNum: Port number to read
Returns
Current value of GPIO port
Note
The current states of the bits for the port are read, regardless of whether the GPIO port bits are input or output.

Definition at line 349 of file gpio_11xx.h.

void Chip_GPIO_SetDir ( LPC_GPIO_T *  pGPIO,
uint8_t  portNum,
uint32_t  bitValue,
uint8_t  out 
)

Set Direction for a GPIO port.

Parameters
pGPIO: The base of GPIO peripheral on the chip
portNum: Port Number
bitValue: GPIO bit to set
out: Direction value, 0 = input, !0 = output
Returns
None
Note
Bits set to '0' are not altered.

Definition at line 68 of file gpio_11xx.c.

STATIC INLINE void Chip_GPIO_SetValue ( LPC_GPIO_T *  pGPIO,
uint8_t  portNum,
uint32_t  bitValue 
)

Set a GPIO port/bit to the high state.

Parameters
pGPIO: The base of GPIO peripheral on the chip
portNum: Port number
bitValue: Bit(s) in the port to set high
Returns
None
Note
Any bit set as a '0' will not have it's state changed. This only applies to ports configured as an output.

Definition at line 314 of file gpio_11xx.h.

STATIC INLINE void Chip_GPIO_WriteDirBit ( LPC_GPIO_T *  pGPIO,
uint32_t  port,
uint8_t  bit,
bool  setting 
)

Seta GPIO direction.

Parameters
pGPIO: The base of GPIO peripheral on the chip
port: GPIO port to set
bit: GPIO bit to set
setting: true for output, false for input
Returns
Nothing

Definition at line 79 of file gpio_11xx.h.

STATIC INLINE void Chip_GPIO_WritePortBit ( LPC_GPIO_T *  pGPIO,
uint32_t  port,
uint8_t  bit,
bool  setting 
)

Set a GPIO port/bit state.

Parameters
pGPIO: The base of GPIO peripheral on the chip
port: GPIO port to set
bit: GPIO bit to set
setting: true for high, false for low
Returns
Nothing

Definition at line 62 of file gpio_11xx.h.