alt_i2c.h File Reference

#include "hwlib.h"
#include "alt_clock_manager.h"
#include "socal/alt_i2c.h"
#include "socal/alt_rstmgr.h"
#include "socal/hps.h"
#include "socal/socal.h"

Go to the source code of this file.

Data Structures
struct	ALT_I2C_DEV_s
struct	ALT_I2C_MASTER_CONFIG_s
struct	ALT_I2C_SLAVE_CONFIG_s

Macros
#define	alt_i2c_cfg_to_speed(i2c_dev, speed_in_hz, cfg)   alt_i2c_master_config_speed_get((i2c_dev), (cfg), (speed_in_hz))
#define	alt_i2c_speed_to_cfg(i2c_dev, speed_in_hz, cfg)   alt_i2c_master_config_speed_set((i2c_dev), (cfg), (speed_in_hz))
#define	ALT_I2C_RX_FIFO_NUM_ENTRIES   64
#define	ALT_I2C_TX_FIFO_NUM_ENTRIES   64

Typedefs
typedef enum ALT_I2C_TRANSFER_TYPE_e	ALT_I2C_TRANSFER_TYPE_t
typedef struct ALT_I2C_DEV_s	ALT_I2C_DEV_t
typedef enum ALT_I2C_CTLR_e	ALT_I2C_CTLR_t
typedef enum ALT_I2C_MODE_e	ALT_I2C_MODE_t
typedef enum ALT_I2C_SPEED_e	ALT_I2C_SPEED_t
typedef enum ALT_I2C_ADDR_MODE_e	ALT_I2C_ADDR_MODE_t
typedef enum ALT_I2C_STATUS_e	ALT_I2C_STATUS_t
typedef enum ALT_I2C_TX_ABORT_CAUSE_e	ALT_I2C_TX_ABORT_CAUSE_t
typedef struct ALT_I2C_MASTER_CONFIG_s	ALT_I2C_MASTER_CONFIG_t
typedef struct ALT_I2C_SLAVE_CONFIG_s	ALT_I2C_SLAVE_CONFIG_t

Enumerations
enum	ALT_I2C_TRANSFER_TYPE_e {   ALT_I2C_TRANSFER_NONE = 0, ALT_I2C_TRANSFER_START = 1, ALT_I2C_TRANSFER_COMPLETE = 2, ALT_I2C_TRANSFER_READ = 3,   ALT_I2C_TRANSFER_WRITE = 4 }
enum	ALT_I2C_CTLR_e { ALT_I2C_I2C0 = (int)ALT_I2C0_OFST, ALT_I2C_I2C1 = (int)ALT_I2C1_OFST, ALT_I2C_I2C2 = (int)ALT_I2C2_OFST, ALT_I2C_I2C3 = (int)ALT_I2C3_OFST }
enum	ALT_I2C_MODE_e { ALT_I2C_MODE_SLAVE = ALT_I2C_CON_MST_MOD_E_DIS, ALT_I2C_MODE_MASTER = ALT_I2C_CON_MST_MOD_E_EN }
enum	ALT_I2C_SPEED_e { ALT_I2C_SPEED_STANDARD = ALT_I2C_CON_SPEED_E_STANDARD, ALT_I2C_SPEED_FAST = ALT_I2C_CON_SPEED_E_FAST }
enum	ALT_I2C_ADDR_MODE_e { ALT_I2C_ADDR_MODE_7_BIT = ALT_I2C_TAR_IC_10BITADDR_MST_E_START7, ALT_I2C_ADDR_MODE_10_BIT = ALT_I2C_TAR_IC_10BITADDR_MST_E_START10 }
enum	ALT_I2C_STATUS_e {   ALT_I2C_STATUS_RX_UNDER = 1UL << 0, ALT_I2C_STATUS_RX_OVER = 1UL << 1, ALT_I2C_STATUS_RX_FULL = 1UL << 2, ALT_I2C_STATUS_TX_OVER = 1UL << 3,   ALT_I2C_STATUS_TX_EMPTY = 1UL << 4, ALT_I2C_STATUS_RD_REQ = 1UL << 5, ALT_I2C_STATUS_TX_ABORT = 1UL << 6, ALT_I2C_STATUS_RX_DONE = 1UL << 7,   ALT_I2C_STATUS_ACTIVITY = 1UL << 8, ALT_I2C_STATUS_STOP_DET = 1UL << 9, ALT_I2C_STATUS_START_DET = 1UL << 10, ALT_I2C_STATUS_INT_CALL = 1UL << 11,   ALT_I2C_STATUS_INT_ALL = 0xFFF }
enum	ALT_I2C_TX_ABORT_CAUSE_e {   ALT_I2C_TX_ABORT_CAUSE_7B_ADDR_NOACK = 1UL << 0, ALT_I2C_TX_ABORT_CAUSE_10ADDR1_NOACK = 1UL << 1, ALT_I2C_TX_ABORT_CAUSE_10ADDR2_NOACK = 1UL << 2, ALT_I2C_TX_ABORT_CAUSE_TXDATA_NOACK = 1UL << 3,   ALT_I2C_TX_ABORT_CAUSE_GCALL_NOACK = 1UL << 4, ALT_I2C_TX_ABORT_CAUSE_GCALL_RD = 1UL << 5, ALT_I2C_TX_ABORT_CAUSE_HS_ACKDET = 1UL << 6, ALT_I2C_TX_ABORT_CAUSE_SBYTE_ACKDET = 1UL << 7,   ALT_I2C_TX_ABORT_CAUSE_HS_NORSTRT = 1UL << 8, ALT_I2C_TX_ABORT_CAUSE_SBYTE_NORSTRT = 1UL << 9, ALT_I2C_TX_ABORT_CAUSE_10B_RD_NORSTRT = 1UL << 10, ALT_I2C_TX_ABORT_CAUSE_MST_DIS = 1UL << 11,   ALT_I2C_TX_ABORT_CAUSE_ARB_LOST = 1UL << 12, ALT_I2C_TX_ABORT_CAUSE_SLVFLUSH_TXFIFO = 1UL << 13, ALT_I2C_TX_ABORT_CAUSE_SLV_ARBLOST = 1UL << 14, ALT_I2C_TX_ABORT_CAUSE_SLVRD_INTX = 1UL << 15 }

Functions
ALT_STATUS_CODE	alt_i2c_init (const ALT_I2C_CTLR_t i2c, ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_reset (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_uninit (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_disable (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_enable (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_is_enabled (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_master_config_get (ALT_I2C_DEV_t *i2c_dev, ALT_I2C_MASTER_CONFIG_t *cfg)
ALT_STATUS_CODE	alt_i2c_master_config_set (ALT_I2C_DEV_t *i2c_dev, const ALT_I2C_MASTER_CONFIG_t *cfg)
ALT_STATUS_CODE	alt_i2c_master_config_speed_get (ALT_I2C_DEV_t *i2c_dev, const ALT_I2C_MASTER_CONFIG_t *cfg, uint32_t *speed_in_hz)
ALT_STATUS_CODE	alt_i2c_master_config_speed_set (ALT_I2C_DEV_t *i2c_dev, ALT_I2C_MASTER_CONFIG_t *cfg, uint32_t speed_in_hz)
ALT_STATUS_CODE	alt_i2c_slave_config_get (ALT_I2C_DEV_t *i2c_dev, ALT_I2C_SLAVE_CONFIG_t *cfg)
ALT_STATUS_CODE	alt_i2c_slave_config_set (ALT_I2C_DEV_t *i2c_dev, const ALT_I2C_SLAVE_CONFIG_t *cfg)
ALT_STATUS_CODE	alt_i2c_sda_hold_time_get (ALT_I2C_DEV_t *i2c_dev, uint16_t *hold_time)
ALT_STATUS_CODE	alt_i2c_sda_hold_time_set (ALT_I2C_DEV_t *i2c_dev, const uint16_t hold_time)
ALT_STATUS_CODE	alt_i2c_op_mode_get (ALT_I2C_DEV_t *i2c_dev, ALT_I2C_MODE_t *mode)
ALT_STATUS_CODE	alt_i2c_op_mode_set (ALT_I2C_DEV_t *i2c_dev, const ALT_I2C_MODE_t mode)
ALT_STATUS_CODE	alt_i2c_is_busy (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_read (ALT_I2C_DEV_t *i2c_dev, uint8_t *val)
ALT_STATUS_CODE	alt_i2c_write (ALT_I2C_DEV_t *i2c_dev, const uint8_t val)
ALT_STATUS_CODE	alt_i2c_slave_receive (ALT_I2C_DEV_t *i2c_dev, uint8_t *data)
ALT_STATUS_CODE	alt_i2c_slave_transmit (ALT_I2C_DEV_t *i2c_dev, const uint8_t data)
ALT_STATUS_CODE	alt_i2c_slave_bulk_transmit (ALT_I2C_DEV_t *i2c_dev, const void *data, const size_t size)
ALT_STATUS_CODE	alt_i2c_master_target_get (ALT_I2C_DEV_t *i2c_dev, uint32_t *target_addr)
ALT_STATUS_CODE	alt_i2c_master_target_set (ALT_I2C_DEV_t *i2c_dev, uint32_t target_addr)
ALT_STATUS_CODE	alt_i2c_master_transmit (ALT_I2C_DEV_t *i2c_dev, const void *data, const size_t size, const bool issue_restart, const bool issue_stop)
ALT_STATUS_CODE	alt_i2c_master_receive (ALT_I2C_DEV_t *i2c_dev, void *data, const size_t size, const bool issue_restart, const bool issue_stop)
ALT_STATUS_CODE	alt_i2c_issue_read (ALT_I2C_DEV_t *i2c_dev, const bool issue_restart, const bool issue_stop)
ALT_STATUS_CODE	alt_i2c_issue_write (ALT_I2C_DEV_t *i2c_dev, const uint8_t value, const bool issue_restart, const bool issue_stop)
ALT_STATUS_CODE	alt_i2c_master_general_call (ALT_I2C_DEV_t *i2c_dev, const void *data, const size_t size, const bool issue_restart, const bool issue_stop)
ALT_STATUS_CODE	alt_i2c_general_call_ack_disable (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_general_call_ack_enable (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_general_call_ack_is_enabled (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_int_status_get (ALT_I2C_DEV_t *i2c_dev, uint32_t *status)
ALT_STATUS_CODE	alt_i2c_int_raw_status_get (ALT_I2C_DEV_t *i2c_dev, uint32_t *status)
ALT_STATUS_CODE	alt_i2c_int_clear (ALT_I2C_DEV_t *i2c_dev, const uint32_t mask)
ALT_STATUS_CODE	alt_i2c_int_disable (ALT_I2C_DEV_t *i2c_dev, const uint32_t mask)
ALT_STATUS_CODE	alt_i2c_int_enable (ALT_I2C_DEV_t *i2c_dev, const uint32_t mask)
ALT_STATUS_CODE	alt_i2c_tx_abort_cause_get (ALT_I2C_DEV_t *i2c_dev, ALT_I2C_TX_ABORT_CAUSE_t *cause)
ALT_STATUS_CODE	alt_i2c_rx_fifo_is_empty (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_rx_fifo_is_full (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_rx_fifo_level_get (ALT_I2C_DEV_t *i2c_dev, uint32_t *num_entries)
ALT_STATUS_CODE	alt_i2c_rx_fifo_threshold_get (ALT_I2C_DEV_t *i2c_dev, uint8_t *threshold)
ALT_STATUS_CODE	alt_i2c_rx_fifo_threshold_set (ALT_I2C_DEV_t *i2c_dev, const uint8_t threshold)
ALT_STATUS_CODE	alt_i2c_tx_fifo_is_empty (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_tx_fifo_is_full (ALT_I2C_DEV_t *i2c_dev)
ALT_STATUS_CODE	alt_i2c_tx_fifo_level_get (ALT_I2C_DEV_t *i2c_dev, uint32_t *num_entries)
ALT_STATUS_CODE	alt_i2c_tx_fifo_threshold_get (ALT_I2C_DEV_t *i2c_dev, uint8_t *threshold)
ALT_STATUS_CODE	alt_i2c_tx_fifo_threshold_set (ALT_I2C_DEV_t *i2c_dev, const uint8_t threshold)
ALT_STATUS_CODE	alt_i2c_rx_dma_threshold_get (ALT_I2C_DEV_t *i2c_dev, uint8_t *threshold)
ALT_STATUS_CODE	alt_i2c_rx_dma_threshold_set (ALT_I2C_DEV_t *i2c_dev, uint8_t threshold)
ALT_STATUS_CODE	alt_i2c_tx_dma_threshold_get (ALT_I2C_DEV_t *i2c_dev, uint8_t *threshold)
ALT_STATUS_CODE	alt_i2c_tx_dma_threshold_set (ALT_I2C_DEV_t *i2c_dev, uint8_t threshold)

Detailed Description

Altera - I2C Controller API