panel_i2c.c File Reference

The table of I2C addresses taken on the panel board's buses (panel_i2c.h). More...

#include "panel_i2c.h"
#include <stddef.h>

Functions
const char *	panel_i2c_owner (unsigned addr)
	The owner of addr: "GT911" or "I2C reserved", "not a 7-bit address" above 0x7F, NULL for a free address.
bool	panel_i2c_addr_reserved (unsigned addr)
	Whether addr belongs to the board, or is no 7-bit address at all.

Variables
const panel_i2c_range_t	panel_i2c_reserved_table []
	The ranges, in rising address order.
const unsigned	panel_i2c_reserved_count

Detailed Description

The table of I2C addresses taken on the panel board's buses (panel_i2c.h).

SPDX-License-Identifier: MIT

Function Documentation

panel_i2c_addr_reserved()

bool panel_i2c_addr_reserved

(

unsigned

addr

)

Whether addr belongs to the board, or is no 7-bit address at all.

Parameters

addr	The 7-bit address.

Returns

true when the board answers at addr, or addr is no 7-bit address.

panel_i2c_owner()

const char * panel_i2c_owner

(

unsigned

addr

)

The owner of addr: "GT911" or "I2C reserved", "not a 7-bit address" above 0x7F, NULL for a free address.

Parameters

addr	The address to name.

Returns

The owner's name, or NULL for a free address.

Variable Documentation

panel_i2c_reserved_count

const unsigned panel_i2c_reserved_count

Initial value:

                                    =
sizeof panel_i2c_reserved_table / sizeof panel_i2c_reserved_table[0]

panel_i2c_reserved_table

const panel_i2c_range_t panel_i2c_reserved_table[]

Initial value:

                                                 = {
    { 0x00, 0x03, "I2C reserved" },
    { 0x14, 0x14, "GT911" },
    { 0x5D, 0x5D, "GT911" },
    { 0x78, 0x7F, "I2C reserved" },
}

The ranges, in rising address order.