gpio.c File Reference

GPIO driver.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include "gpio.h"

Data Structures
struct	gpio_interrupt_source
	Structure for a GPIO pin interrupt source. More...

Macros
#define	GPIO_INT_GROUP_MASK   0xFFu
	GPIO interrupt generators are grouped into groups of eight. More...
#define	GPIO_MAX_INTERRUPT_SOURCES   6
	Maximum number of interrupt sources that can be defined. More...

Functions
void	GPIO_0_Handler (void)
	GPIO handler 0 (PA 0..7) More...
void	GPIO_10_Handler (void)
	GPIO handler 10 (PC 16..23) More...
void	GPIO_11_Handler (void)
	GPIO handler 11 (PC 24..31) More...
void	GPIO_1_Handler (void)
	GPIO handler 1 (PA 8..15) More...
void	GPIO_2_Handler (void)
	GPIO handler 2 (PA 16..23) More...
void	GPIO_3_Handler (void)
	GPIO handler 3 (PA 24..31) More...
void	GPIO_4_Handler (void)
	GPIO handler 4 (PB 0..7) More...
void	GPIO_5_Handler (void)
	GPIO handler 5 (PB 8..15) More...
void	GPIO_6_Handler (void)
	GPIO handler 6 (PB 16..23) More...
void	GPIO_7_Handler (void)
	GPIO handler 7 (PB 24..31) More...
void	GPIO_8_Handler (void)
	GPIO handler 8 (PC 0..7) More...
void	GPIO_9_Handler (void)
	GPIO handler 9 (PC 8..15) More...
static void	gpio_common_handler (uint32_t port_id, uint32_t port_mask)
	Common GPIO handler. More...
bool	gpio_set_pin_callback (ioport_pin_t pin, gpio_pin_callback_t callback, uint8_t irq_level)
	Set callback for given GPIO pin. More...

Variables
static struct gpio_interrupt_source	gpio_int_sources [GPIO_MAX_INTERRUPT_SOURCES]
static uint32_t	gpio_nb_sources = 0

#define GPIO_INT_GROUP_MASK   0xFFu

GPIO interrupt generators are grouped into groups of eight.

Referenced by GPIO_0_Handler(), GPIO_10_Handler(), GPIO_11_Handler(), GPIO_1_Handler(), GPIO_2_Handler(), GPIO_3_Handler(), GPIO_4_Handler(), GPIO_5_Handler(), GPIO_6_Handler(), GPIO_7_Handler(), GPIO_8_Handler(), GPIO_9_Handler(), and gpio_set_pin_callback().

#define GPIO_MAX_INTERRUPT_SOURCES   6

Maximum number of interrupt sources that can be defined.

This constant can be increased, but the current value is the smallest possible one that will be compatible with all existing projects.

Referenced by gpio_set_pin_callback().

void GPIO_0_Handler

(

void

)

GPIO handler 0 (PA 0..7)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOA.

void GPIO_10_Handler

(

void

)

GPIO handler 10 (PC 16..23)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOC.

void GPIO_11_Handler

(

void

)

GPIO handler 11 (PC 24..31)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOC.

void GPIO_1_Handler

(

void

)

GPIO handler 1 (PA 8..15)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOA.

void GPIO_2_Handler

(

void

)

GPIO handler 2 (PA 16..23)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOA.

void GPIO_3_Handler

(

void

)

GPIO handler 3 (PA 24..31)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOA.

void GPIO_4_Handler

(

void

)

GPIO handler 4 (PB 0..7)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOB.

void GPIO_5_Handler

(

void

)

GPIO handler 5 (PB 8..15)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOB.

void GPIO_6_Handler

(

void

)

GPIO handler 6 (PB 16..23)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOB.

void GPIO_7_Handler

(

void

)

GPIO handler 7 (PB 24..31)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOB.

void GPIO_8_Handler

(

void

)

GPIO handler 8 (PC 0..7)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOC.

void GPIO_9_Handler

(

void

)

GPIO handler 9 (PC 8..15)

References gpio_common_handler(), GPIO_INT_GROUP_MASK, and IOPORT_GPIOC.

static void gpio_common_handler ( uint32_t  port_id, uint32_t  port_mask  )

static

Common GPIO handler.

References Assert, gpio_interrupt_source::callback, callback, gpio_int_sources, gpio_nb_sources, ioport_pin_to_mask(), ioport_pin_to_port_id(), NULL, and gpio_interrupt_source::pin.

Referenced by GPIO_0_Handler(), GPIO_10_Handler(), GPIO_11_Handler(), GPIO_1_Handler(), GPIO_2_Handler(), GPIO_3_Handler(), GPIO_4_Handler(), GPIO_5_Handler(), GPIO_6_Handler(), GPIO_7_Handler(), GPIO_8_Handler(), and GPIO_9_Handler().

struct gpio_interrupt_source gpio_int_sources[GPIO_MAX_INTERRUPT_SOURCES]

static

Referenced by gpio_common_handler(), and gpio_set_pin_callback().

uint32_t gpio_nb_sources = 0

static

Referenced by gpio_common_handler(), and gpio_set_pin_callback().