i2c_arch.c File Reference

I2C functionality. More...

#include "mcu_periph/i2c.h"
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <linux/i2c.h>
#include <linux/i2c-dev.h>
#include <errno.h>
#include <pthread.h>
#include "rt_priority.h"

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Data Structures
struct	i2c_thread_t

Macros
#define	I2C_THREAD_PRIO   10

Functions
static bool	i2c_linux_idle (struct i2c_periph *p)
static bool	i2c_linux_submit (struct i2c_periph *p, struct i2c_transaction *t)
static void	i2c_linux_setbitrate (struct i2c_periph *p, int bitrate)
static void *	i2c_thread (void *thread_data)
static void UNUSED	i2c_arch_init (struct i2c_periph *p)
void	i2c_event (void)
	i2c_event() function More...

Detailed Description

I2C functionality.

Definition in file i2c_arch.c.

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Data Structure Documentation

i2c_thread_t

struct i2c_thread_t

Definition at line 54 of file i2c_arch.c.

Data Fields
pthread_cond_t	condition
pthread_mutex_t	mutex

Macro Definition Documentation

I2C_THREAD_PRIO

#define I2C_THREAD_PRIO   10

Definition at line 42 of file i2c_arch.c.

Function Documentation

i2c_arch_init()

static void UNUSED i2c_arch_init ( struct i2c_periph *  p )

static

Definition at line 59 of file i2c_arch.c.

References i2c_thread(), and p.

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i2c_linux_idle()

static bool i2c_linux_idle ( struct i2c_periph *  p )

static

Definition at line 79 of file i2c_arch.c.

i2c_linux_setbitrate()

static void i2c_linux_setbitrate ( struct i2c_periph *  p, int  bitrate  )

static

Definition at line 75 of file i2c_arch.c.

i2c_linux_submit()

static bool i2c_linux_submit ( struct i2c_periph *  p, struct i2c_transaction *  t  )

static

Definition at line 84 of file i2c_arch.c.

References i2c_thread_t::condition, I2C_TRANSACTION_QUEUE_LEN, I2CTransFailed, I2CTransPending, mutex, p, and i2c_transaction::status.

i2c_thread()

static void * i2c_thread ( void *  thread_data )

static

Definition at line 119 of file i2c_arch.c.

References i2c_msg::addr, i2c_msg::buf, i2c_thread_t::condition, fd, i2c_msg::flags, get_rt_prio(), I2C_M_RD, I2C_RDWR, I2C_SLAVE, I2C_THREAD_PRIO, I2C_TRANSACTION_QUEUE_LEN, I2CTransFailed, I2CTransRx, I2CTransSuccess, I2CTransTx, I2CTransTxRx, i2c_msg::len, mutex, and p.

Referenced by i2c_arch_init().

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