RTEMS  5.1
Data Structures | Macros | Typedefs | Enumerations
gpio-defs.h File Reference
Board Support Packages » ARM » NXP LPC176X

API definitions of the GPIO driver for the lpc176x bsp in RTEMS. More...

#include <bsp/common-types.h>

Go to the source code of this file.

Data Structures

struct  lpc176x_interrupt_control
 GPIO Interrupt register map. More...
 
struct  lpc176x_registered_interrupt_function
 A registered interrupt function for the pin 'pin'. More...
 

Macros

#define LPC176X_GPIO_BASE_ADDR   0x40028000U
 
#define LPC176X_GPIO_INTERRUPT_STATUS   0x40028080U
 
#define LPC176X_IOPIN0
 
#define LPC176X_IOSET0
 
#define LPC176X_IODIR0
 
#define LPC176X_IOCLR0
 
#define LPC176X_IOPIN1
 
#define LPC176X_IOSET1
 
#define LPC176X_IODIR1
 
#define LPC176X_IOCLR1
 
#define LPC176X_IO0_INT_EN_R
 
#define LPC176X_IO0_INT_EN_F
 
#define LPC176X_IO0_INT_STAT_R
 
#define LPC176X_IO0_INT_STAT_F
 
#define LPC176X_IO0_INT_CLR
 
#define LPC176X_IO2_INT_EN_R
 
#define LPC176X_IO2_INT_EN_F
 
#define LPC176X_IO2_INT_STAT_R
 
#define LPC176X_IO2_INT_STAT_F
 
#define LPC176X_IO2_INT_CLR
 
#define LPC176X_IO_INT_STAT
 
#define LPC176X_RESERVED_ISR_FUNCT_SIZE   2U
 
#define LPC176X_RESERVED_ISR_FUNCT_MAX_SIZE   5U
 
#define LPC176X_MAX_PORT_NUMBER   160U
 
#define LPC176X_SET_BIT(reg, pin, value)   reg = ( reg & ~( 1U << pin ) ) | ( ( value & 1U ) << pin )
 
#define LPC176X_INT_STATUS
 
#define LPC176X_INT_STATUS_P0   1U
 
#define LPC176X_INT_STATUS_P2   ( 1U << 2U )
 
#define LPC176X_INT_ENABLE   1U
 
#define LPC176X_INT_DISABLE   0U
 
#define LPC176X_IRQ_EINT_3   21U
 
#define LPC176X_PIN_BIT(pin)   ( 1U << pin )
 

Typedefs

typedef void(* lpc176x_gpio_interrupt_function) (const lpc176x_pin_number pin, const lpc176x_gpio_interrupt edge)
 A function that attends an interrupt for GPIO. More...
 

Enumerations

enum  lpc176x_gpio_direction { LPC176X_GPIO_FUNCTION_INPUT, LPC176X_GPIO_FUNCTION_OUTPUT, LPC176X_GPIO_FUNCTION_COUNT }
 The direction of the GPIO port (input or output). More...
 
enum  lpc176x_gpio_interrupt {
  LPC176X_GPIO_INTERRUPT_DISABLE, LPC176X_GPIO_INTERRUPT_RISING, LPC176X_GPIO_INTERRUPT_FALLING, LPC176X_GPIO_INTERRUPT_BOTH,
  LPC176X_GPIO_INTERRUPT_COUNT
}
 The interrupt sources edge for a GPIO. More...
 
enum  lpc176x_gpio_ports {
  LPC176X_GPIO_PORT_0, LPC176X_GPIO_PORT_1, LPC176X_GPIO_PORT_2, LPC176X_GPIO_PORT_3,
  LPC176X_GPIO_PORT_4, LPC176X_GPIO_PORTS_COUNT
}
 The ports for a GPIO. More...
 
enum  lpc176x_gpio_address {
  LPC176X_FIO0_BASE_ADDRESS = 0x2009C000U, LPC176X_FIO1_BASE_ADDRESS = 0x2009C020U, LPC176X_FIO2_BASE_ADDRESS = 0x2009C040U, LPC176X_FIO3_BASE_ADDRESS = 0x2009C060U,
  LPC176X_FIO4_BASE_ADDRESS = 0x2009C080U
}
 Addresses for a GPIO. More...
 
enum  lpc176x_interrupt_address { LPC176X_IO0_INT_BASE_ADDRESS = 0x40028084U, LPC176X_IO2_INT_BASE_ADDRESS = 0x400280A4U }
 Addresses for the two interrupts. More...
 

Detailed Description

API definitions of the GPIO driver for the lpc176x bsp in RTEMS.

Macro Definition Documentation

◆ LPC176X_INT_STATUS

#define LPC176X_INT_STATUS
Value:
( *(volatile uint32_t *) \
( LPC176X_GPIO_INTERRUPT_STATUS ) )

◆ LPC176X_IO0_INT_CLR

#define LPC176X_IO0_INT_CLR
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR \
+ 0x8CU ) )

◆ LPC176X_IO0_INT_EN_F

#define LPC176X_IO0_INT_EN_F
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR \
+ 0x94U ) )

◆ LPC176X_IO0_INT_EN_R

#define LPC176X_IO0_INT_EN_R
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR \
+ 0x90U ) )

◆ LPC176X_IO0_INT_STAT_F

#define LPC176X_IO0_INT_STAT_F
Value:
( *(volatile uint32_t *) ( \
LPC176X_GPIO_BASE_ADDR \
+ 0x88U ) )

◆ LPC176X_IO0_INT_STAT_R

#define LPC176X_IO0_INT_STAT_R
Value:
( *(volatile uint32_t *) ( \
LPC176X_GPIO_BASE_ADDR \
+ 0x84U ) )

◆ LPC176X_IO2_INT_CLR

#define LPC176X_IO2_INT_CLR
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR \
+ 0xACU ) )

◆ LPC176X_IO2_INT_EN_F

#define LPC176X_IO2_INT_EN_F
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR \
+ 0xB4U ) )

◆ LPC176X_IO2_INT_EN_R

#define LPC176X_IO2_INT_EN_R
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR \
+ 0xB0U ) )

◆ LPC176X_IO2_INT_STAT_F

#define LPC176X_IO2_INT_STAT_F
Value:
( *(volatile uint32_t *) ( \
LPC176X_GPIO_BASE_ADDR \
+ 0xA8U ) )

◆ LPC176X_IO2_INT_STAT_R

#define LPC176X_IO2_INT_STAT_R
Value:
( *(volatile uint32_t *) ( \
LPC176X_GPIO_BASE_ADDR \
+ 0xA4U ) )

◆ LPC176X_IO_INT_STAT

#define LPC176X_IO_INT_STAT
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR \
+ 0x80U ) )

◆ LPC176X_IOCLR0

#define LPC176X_IOCLR0
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR + \
0x0CU ) )

◆ LPC176X_IOCLR1

#define LPC176X_IOCLR1
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR + \
0x1CU ) )

◆ LPC176X_IODIR0

#define LPC176X_IODIR0
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR + \
0x08U ) )

◆ LPC176X_IODIR1

#define LPC176X_IODIR1
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR + \
0x18U ) )

◆ LPC176X_IOPIN0

#define LPC176X_IOPIN0
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR + \
0x00U ) )

◆ LPC176X_IOPIN1

#define LPC176X_IOPIN1
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR + \
0x10U ) )

◆ LPC176X_IOSET0

#define LPC176X_IOSET0
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR + \
0x04U ) )

◆ LPC176X_IOSET1

#define LPC176X_IOSET1
Value:
( *(volatile uint32_t *) ( LPC176X_GPIO_BASE_ADDR + \
0x14U ) )

Typedef Documentation

◆ lpc176x_gpio_interrupt_function

typedef void(* lpc176x_gpio_interrupt_function) (const lpc176x_pin_number pin, const lpc176x_gpio_interrupt edge)

A function that attends an interrupt for GPIO.

Parameters
pinPin number.
edgeInterrupt.
Returns
Pointer to the interrupt function.

Enumeration Type Documentation

◆ lpc176x_gpio_address

enum lpc176x_gpio_address

Addresses for a GPIO.

Enumerated type to define the set of fio bases addresses for a gpio device.

◆ lpc176x_gpio_direction

enum lpc176x_gpio_direction

The direction of the GPIO port (input or output).

Enumerated type to define the set of function types for a gpio device.

◆ lpc176x_gpio_interrupt

enum lpc176x_gpio_interrupt

The interrupt sources edge for a GPIO.

Enumerated type to define the set of interrupt types for a gpio device.

◆ lpc176x_gpio_ports

enum lpc176x_gpio_ports

The ports for a GPIO.

Enumerated type to define the set of ports for a gpio device.

◆ lpc176x_interrupt_address

enum lpc176x_interrupt_address

Addresses for the two interrupts.

Enumerated type to define the set of interrupt addresses for a gpio device.

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