36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
#ifndef __I2C_ADDRESSES_H__
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#define __I2C_ADDRESSES_H__
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// Includes:
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#include "fsl_gpio.h"
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// Macros:
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// 7-bit I2C addresses - see http://www.i2c-bus.org/addressing/
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// General call / Start byte 0b0000000
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// CBUS address 0b0000001
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// Reserved for different bus formats 0b0000010
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// Reserved for future purposes 0b0000011
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// High-Speed master code 0b00001XX
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#define I2C_ADDRESS_LEFT_KEYBOARD_HALF 0b0001000
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#define I2C_ADDRESS_EEPROM 0b1010000
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#define I2C_ADDRESS_LED_DRIVER_LEFT 0b1110100
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// LED driver / touchpad 0b1110101
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// LED driver / touchpad 0b1110110
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#define I2C_ADDRESS_LED_DRIVER_RIGHT 0b1110111
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// Touchpad 0b00001XX
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// 10-bit slave addressing 0b11110XX
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// Reserved for future purposes 0b11111XX
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#define IS_I2C_LED_DRIVER_ADDRESS(address) \
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(I2C_ADDRESS_LED_DRIVER_LEFT <= (address) && (address) <= I2C_ADDRESS_LED_DRIVER_RIGHT)
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// Functions:
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status_t I2cRead(I2C_Type *baseAddress, uint8_t i2cAddress, uint8_t *data, uint8_t size);
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status_t I2cWrite(I2C_Type *baseAddress, uint8_t i2cAddress, uint8_t *data, uint8_t size);
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#endif
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