gpio_ext_pca95xx.c File Reference

#include "modules/gpio_ext/gpio_ext_pca95xx.h"
#include "modules/gpio_ext/gpio_ext_common.h"
#include "generated/airframe.h"
#include "peripherals/pca95xx.h"
#include "mcu_periph/i2c.h"
#include <stdbool.h>

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Go to the source code of this file.

Data Structures
struct	gpio_ext_pca95xx_impl_t

Macros
#define	GPIO_EXT_PCA95XX_I2C_PERIPH1_PTR   NULL
#define	GPIO_EXT_PCA95XX_I2C_PERIPH2_PTR   NULL
#define	GPIO_EXT_PCA95XX_I2C_PERIPH3_PTR   NULL
#define	GPIO_EXT_PCA95XX_I2C_PERIPH4_PTR   NULL
#define	GPIO_EXT_PCA95XX_I2C_ADDRESS1   0x00
#define	GPIO_EXT_PCA95XX_I2C_ADDRESS2   0x00
#define	GPIO_EXT_PCA95XX_I2C_ADDRESS3   0x00
#define	GPIO_EXT_PCA95XX_I2C_ADDRESS4   0x00
#define	GPIO_EXT_PCA95XX_BLOCKING1   TRUE
#define	GPIO_EXT_PCA95XX_BLOCKING2   TRUE
#define	GPIO_EXT_PCA95XX_BLOCKING3   TRUE
#define	GPIO_EXT_PCA95XX_BLOCKING4   TRUE

Functions
static void	gpio_ext_pca95xx_setup_output (uint32_t port, uint32_t gpios)
static void	gpio_ext_pca95xx_setup_input (uint32_t port, uint32_t gpios)
static uint32_t	gpio_ext_pca95xx_get (uint32_t port, uint32_t gpios)
static void	gpio_ext_pca95xx_set (uint32_t port, uint32_t gpios)
static void	gpio_ext_pca95xx_clear (uint32_t port, uint32_t gpios)
static void	gpio_ext_pca95xx_toggle (uint32_t port, uint32_t gpios)
static void	gpio_ext_pca95xx_lazy_init (uint32_t port)

Variables
static struct i2c_periph *const	i2c_periph []
static const uint8_t	i2c_addr []
static const bool	blocking []
struct gpio_ext_functions	pca95xx_functions
static struct gpio_ext_pca95xx_impl_t	impl [GPIOEXT_NB]

Detailed Description

Author

Tom van Dijk tomva.nosp@m.nd@u.nosp@m.sers..nosp@m.nore.nosp@m.ply.g.nosp@m.ithu.nosp@m.b.com PCA95XX external GPIO peripheral

Definition in file gpio_ext_pca95xx.c.

---

Data Structure Documentation

gpio_ext_pca95xx_impl_t

struct gpio_ext_pca95xx_impl_t

Definition at line 120 of file gpio_ext_pca95xx.c.

Collaboration diagram for gpio_ext_pca95xx_impl_t:

Data Fields
uint8_t	config_reg
bool	initialized
uint8_t	output_reg
struct pca95xx	periph

Macro Definition Documentation

GPIO_EXT_PCA95XX_BLOCKING1

#define GPIO_EXT_PCA95XX_BLOCKING1   TRUE

Definition at line 83 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_BLOCKING2

#define GPIO_EXT_PCA95XX_BLOCKING2   TRUE

Definition at line 86 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_BLOCKING3

#define GPIO_EXT_PCA95XX_BLOCKING3   TRUE

Definition at line 89 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_BLOCKING4

#define GPIO_EXT_PCA95XX_BLOCKING4   TRUE

Definition at line 92 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_I2C_ADDRESS1

#define GPIO_EXT_PCA95XX_I2C_ADDRESS1   0x00

Definition at line 64 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_I2C_ADDRESS2

#define GPIO_EXT_PCA95XX_I2C_ADDRESS2   0x00

Definition at line 67 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_I2C_ADDRESS3

#define GPIO_EXT_PCA95XX_I2C_ADDRESS3   0x00

Definition at line 70 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_I2C_ADDRESS4

#define GPIO_EXT_PCA95XX_I2C_ADDRESS4   0x00

Definition at line 73 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_I2C_PERIPH1_PTR

#define GPIO_EXT_PCA95XX_I2C_PERIPH1_PTR   NULL

Definition at line 39 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_I2C_PERIPH2_PTR

#define GPIO_EXT_PCA95XX_I2C_PERIPH2_PTR   NULL

Definition at line 44 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_I2C_PERIPH3_PTR

#define GPIO_EXT_PCA95XX_I2C_PERIPH3_PTR   NULL

Definition at line 49 of file gpio_ext_pca95xx.c.

GPIO_EXT_PCA95XX_I2C_PERIPH4_PTR

#define GPIO_EXT_PCA95XX_I2C_PERIPH4_PTR   NULL

Definition at line 54 of file gpio_ext_pca95xx.c.

Function Documentation

gpio_ext_pca95xx_clear()

static void gpio_ext_pca95xx_clear ( uint32_t  port, uint32_t  gpios  )

static

Definition at line 173 of file gpio_ext_pca95xx.c.

References blocking, impl, gpio_ext_pca95xx_impl_t::output_reg, pca95xx_set_output(), and gpio_ext_pca95xx_impl_t::periph.

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gpio_ext_pca95xx_get()

static uint32_t gpio_ext_pca95xx_get ( uint32_t  port, uint32_t  gpios  )

static

Definition at line 160 of file gpio_ext_pca95xx.c.

References impl, pca95xx_get_input(), and gpio_ext_pca95xx_impl_t::periph.

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gpio_ext_pca95xx_lazy_init()

static void gpio_ext_pca95xx_lazy_init ( uint32_t  port )

static

Definition at line 129 of file gpio_ext_pca95xx.c.

References gpio_ext_pca95xx_impl_t::config_reg, i2c_addr, pca95xx::i2c_trans, I2CTransSuccess, impl, gpio_ext_pca95xx_impl_t::initialized, gpio_ext_pca95xx_impl_t::output_reg, pca95xx_configure(), pca95xx_init(), gpio_ext_pca95xx_impl_t::periph, and i2c_transaction::status.

Referenced by gpio_ext_pca95xx_setup_input(), and gpio_ext_pca95xx_setup_output().

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gpio_ext_pca95xx_set()

static void gpio_ext_pca95xx_set ( uint32_t  port, uint32_t  gpios  )

static

Definition at line 167 of file gpio_ext_pca95xx.c.

References blocking, impl, gpio_ext_pca95xx_impl_t::output_reg, pca95xx_set_output(), and gpio_ext_pca95xx_impl_t::periph.

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gpio_ext_pca95xx_setup_input()

static void gpio_ext_pca95xx_setup_input ( uint32_t  port, uint32_t  gpios  )

static

Definition at line 153 of file gpio_ext_pca95xx.c.

References blocking, gpio_ext_pca95xx_impl_t::config_reg, gpio_ext_pca95xx_lazy_init(), impl, pca95xx_configure(), and gpio_ext_pca95xx_impl_t::periph.

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gpio_ext_pca95xx_setup_output()

static void gpio_ext_pca95xx_setup_output ( uint32_t  port, uint32_t  gpios  )

static

Definition at line 146 of file gpio_ext_pca95xx.c.

References blocking, gpio_ext_pca95xx_impl_t::config_reg, gpio_ext_pca95xx_lazy_init(), impl, pca95xx_configure(), and gpio_ext_pca95xx_impl_t::periph.

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gpio_ext_pca95xx_toggle()

static void gpio_ext_pca95xx_toggle ( uint32_t  port, uint32_t  gpios  )

static

Definition at line 179 of file gpio_ext_pca95xx.c.

Variable Documentation

blocking

const bool blocking[]

static

Initial value:

= {
    GPIO_EXT_PCA95XX_BLOCKING1,
    GPIO_EXT_PCA95XX_BLOCKING1,
    GPIO_EXT_PCA95XX_BLOCKING1,
    GPIO_EXT_PCA95XX_BLOCKING1,
}

Definition at line 94 of file gpio_ext_pca95xx.c.

Referenced by gpio_ext_pca95xx_clear(), gpio_ext_pca95xx_set(), gpio_ext_pca95xx_setup_input(), gpio_ext_pca95xx_setup_output(), open_udp(), pca95xx_configure(), and pca95xx_set_output().

i2c_addr

const uint8_t i2c_addr[]

static

Initial value:

= {
    GPIO_EXT_PCA95XX_I2C_ADDRESS1,
    GPIO_EXT_PCA95XX_I2C_ADDRESS2,
    GPIO_EXT_PCA95XX_I2C_ADDRESS3,
    GPIO_EXT_PCA95XX_I2C_ADDRESS4,
}

Definition at line 75 of file gpio_ext_pca95xx.c.

Referenced by gpio_ext_pca95xx_lazy_init().

i2c_periph

struct i2c_periph* const i2c_periph[]

static

Initial value:

= {
    GPIO_EXT_PCA95XX_I2C_PERIPH1_PTR,
    GPIO_EXT_PCA95XX_I2C_PERIPH2_PTR,
    GPIO_EXT_PCA95XX_I2C_PERIPH3_PTR,
    GPIO_EXT_PCA95XX_I2C_PERIPH4_PTR,
}

Definition at line 56 of file gpio_ext_pca95xx.c.

impl

struct gpio_ext_pca95xx_impl_t impl[GPIOEXT_NB]

static

Definition at line 107 of file gpio_ext_pca95xx.c.

Referenced by gpio_ext_pca95xx_clear(), gpio_ext_pca95xx_get(), gpio_ext_pca95xx_lazy_init(), gpio_ext_pca95xx_set(), gpio_ext_pca95xx_setup_input(), and gpio_ext_pca95xx_setup_output().

pca95xx_functions

struct gpio_ext_functions pca95xx_functions

Initial value:

= {
    gpio_ext_pca95xx_setup_output,
    gpio_ext_pca95xx_setup_input,
    gpio_ext_pca95xx_get,
    gpio_ext_pca95xx_set,
    gpio_ext_pca95xx_clear,
    gpio_ext_pca95xx_toggle,
}

Definition at line 107 of file gpio_ext_pca95xx.c.