#include <libopencm3/cm3/common.h>
#include <libopencm3/nrf/memorymap.h>
#include <libopencm3/nrf/periph.h>

Include dependency graph for common/i2c.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	I2C0 I2C0_BASE

#define	I2C1 I2C1_BASE

#define	I2C_TASK_STARTRX(i2c) MMIO32((i2c) + 0x000)

#define	I2C_TASK_STARTTX(i2c) MMIO32((i2c) + 0x008)

#define	I2C_TASK_STOP(i2c) MMIO32((i2c) + 0x014)

#define	I2C_TASK_SUSPEND(i2c) MMIO32((i2c) + 0x01c)

#define	I2C_TASK_RESUME(i2c) MMIO32((i2c) + 0x020)

#define	I2C_EVENT_STOPPED(i2c) MMIO32((i2c) + 0x104)

#define	I2C_EVENT_RXDREADY(i2c) MMIO32((i2c) + 0x108)

#define	I2C_EVENT_TXDSENT(i2c) MMIO32((i2c) + 0x11c)

#define	I2C_EVENT_ERROR(i2c) MMIO32((i2c) + 0x124)

#define	I2C_EVENT_BB(i2c) MMIO32((i2c) + 0x138)

#define	I2C_EVENT_SUSPENDED(i2c) MMIO32((i2c) + 0x148)

#define	I2C_SHORTS(i2c) MMIO32((i2c) + 0x200)

#define	I2C_INTEN(i2c) MMIO32((i2c) + 0x300)

#define	I2C_INTENSET(i2c) MMIO32((i2c) + 0x304)

#define	I2C_INTENCLR(i2c) MMIO32((i2c) + 0x308)

#define	I2C_ERRORSRC(i2c) MMIO32((i2c) + 0x4c4)

#define	I2C_ENABLE(i2c) MMIO32((i2c) + 0x500)

#define	I2C_PSELSCL(i2c) MMIO32((i2c) + 0x508)

#define	I2C_PSELSDA(i2c) MMIO32((i2c) + 0x50c)

#define	I2C_RXD(i2c) MMIO32((i2c) + 0x518)

#define	I2C_TXD(i2c) MMIO32((i2c) + 0x51c)

#define	I2C_FREQUENCY(i2c) MMIO32((i2c) + 0x524)

#define	I2C_ADDRESS(i2c) MMIO32((i2c) + 0x588)

#define	I2C_SHORTS_BB_SUSPEND (1 << 0)
	On byte boundary, activate suspend task. More...

#define	I2C_SHORTS_BB_STOP (1 << 1)
	On byte boundary, activate stop task. More...

#define	I2C_INTEN_STOPPED (1 << 1)

#define	I2C_INTEN_RXDREADY (1 << 2)

#define	I2C_INTEN_TXDSENT (1 << 7)

#define	I2C_INTEN_ERROR (1 << 9)

#define	I2C_INTEN_BB (1 << 14)

#define	I2C_ERRORSRC_OVERRUN (1 << 0)

#define	I2C_ERRORSRC_ANACK (1 << 1)

#define	I2C_ERRORSRC_DNACK (1 << 2)

#define	I2C_MODE_LEGACY (5)
	NRF51 legacy mode. More...

#define	I2C_FREQUENCY_100K (0x01980000)
	100kHz More...

#define	I2C_FREQUENCY_250K (0x04000000)
	250kHz More...

#define	I2C_FREQUENCY_390K (0x06200000)
	390kHz More...

#define	I2C_FREQUENCY_400K (0x06680000)
	400kHz More...

#define	I2C_PSEL_OFF (0xffffffff)

Functions
void	i2c_enable (uint32_t i2c, uint32_t mode)
	Enable I2C peripheral. More...

void	i2c_disable (uint32_t i2c)
	Disable I2C peripheral. More...

void	i2c_start_tx (uint32_t i2c)
	Start I2C transmission. More...

void	i2c_start_rx (uint32_t i2c)
	Start I2C reception. More...

void	i2c_send_stop (uint32_t i2c)
	Signal stop on I2C line. More...

void	i2c_set_fast_mode (uint32_t i2c)
	Select Fast (400kHz) mode. More...

void	i2c_set_standard_mode (uint32_t i2c)
	Select Standard (100kHz) mode. More...

void	i2c_set_frequency (uint32_t i2c, uint32_t freq)
	Set I2C frequency. More...

void	i2c_send_data (uint32_t i2c, uint8_t data)
	Write Data to TXD register to be sent. More...

uint8_t	i2c_get_data (uint32_t i2c)
	Read Data from RXD register. More...

void	i2c_select_pins (uint32_t i2c, uint32_t scl_pin, uint32_t sda_pin)
	Select GPIO pins to be used by this peripheral. More...

void	i2c_set_address (uint32_t i2c, uint8_t addr)
	Set 7bit I2C address of the device you wish to communicate with. More...

void	i2c_resume (uint32_t i2c)
	Resume I2C transaction. More...

void	i2c_set_shorts (uint32_t i2c, uint32_t shorts)
	Configure event -> task shortcuts. More...

Macros

Functions