#include "i2c.h"
#include "i2c_mapping.h"
#include "port.h"

Include dependency graph for i2c_mapping.c:

Functions
bool	i2c_set_mux_bus (uint8_t bus_id, i2c_mux_state_t *i2c_mux, int8_t new_state)
	Change I2C bus mux state.

uint8_t	i2c_get_mux_bus (uint8_t bus_id, i2c_mux_state_t *i2c_mux)
	Read I2C bus mux state.

Variables
i2c_mux_state_t	i2c_mux [I2C_MUX_CNT]

i2c_bus_mapping_t	i2c_bus_map [I2C_BUS_CNT]

i2c_chip_mapping_t	i2c_chip_map [I2C_CHIP_CNT]

Function Documentation

◆ i2c_get_mux_bus()

uint8_t i2c_get_mux_bus	(	uint8_t	bus_id,
		i2c_mux_state_t *	i2c_mux )

Read I2C bus mux state.

Parameters

bus_id	Target bus ID
i2c_mux	Pointer to bus mux structure

Returns: Bus current state

◆ i2c_set_mux_bus()

bool i2c_set_mux_bus	(	uint8_t	bus_id,
		i2c_mux_state_t *	i2c_mux,
		int8_t	new_state )

Change I2C bus mux state.

Parameters

bus_id	Target bus ID
i2c_mux	Pointer to bus mux structure
new_state	New bus mux state

Return values

true	Bus was successfuly changed to the desired mux setting
false	Bus could not be changed to the desired mux setting

Variable Documentation

◆ i2c_bus_map

i2c_bus_mapping_t i2c_bus_map[I2C_BUS_CNT]

Initial value:

= {
    [I2C_BUS_UNKNOWN_ID]         = { I2C1, -1, 0 },
    [I2C_BUS_TEMP_SENSORS_ID]    = { I2C1,  0, 1 },
    [I2C_BUS_RTCE_ID]            = { I2C1,  1, 1 },
    [I2C_BUS_PORT2_ID]           = { I2C1,  2, 1 },
    [I2C_BUS_POWER_ID]           = { I2C1,  3, 1 },
    [I2C_BUS_CLOCK_ID]           = { I2C1,  4, 1 },
    [I2C_BUS_RTM_ID]             = { I2C1,  5, 1 },
    [I2C_BUS_FMC2_ID]            = { I2C1,  6, 1 },
    [I2C_BUS_FMC1_ID]            = { I2C1,  7, 1 },
    [I2C_BUS_MUX_ID]             = { I2C1, -1, 1 },
    [I2C_BUS_MCP_ID]             = { I2C2, -1, 1 }
}

◆ i2c_chip_map

i2c_chip_mapping_t i2c_chip_map[I2C_CHIP_CNT]

◆ i2c_mux

i2c_mux_state_t i2c_mux[I2C_MUX_CNT]