60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
#ifndef __I2C_H__
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#define __I2C_H__
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// Includes:
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#include "fsl_i2c.h"
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#include "slave_protocol.h"
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// Macros:
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// Main bus
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#define I2C_MAIN_BUS_BASEADDR I2C0
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#define I2C_MAIN_BUS_IRQ_ID I2C0_IRQn
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#define I2C_MAIN_BUS_CLK_SRC I2C0_CLK_SRC
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#define I2C_MAIN_BUS_NORMAL_BAUD_RATE 100000
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#define I2C_MAIN_BUS_BUSPAL_BAUD_RATE 30000
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#define I2C_MAIN_BUS_MUX kPORT_MuxAlt7
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#define I2C_MAIN_BUS_SDA_GPIO GPIOD
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#define I2C_MAIN_BUS_SDA_PORT PORTD
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#define I2C_MAIN_BUS_SDA_CLOCK kCLOCK_PortD
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#define I2C_MAIN_BUS_SDA_PIN 3
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#define I2C_MAIN_BUS_SCL_GPIO GPIOD
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#define I2C_MAIN_BUS_SCL_PORT PORTD
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#define I2C_MAIN_BUS_SCL_CLOCK kCLOCK_PortD
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#define I2C_MAIN_BUS_SCL_PIN 2
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// EEPROM bus
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#define I2C_EEPROM_BUS_BASEADDR I2C1
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#define I2C_EEPROM_BUS_IRQ_ID I2C1_IRQn
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#define I2C_EEPROM_BUS_CLK_SRC I2C1_CLK_SRC
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#define I2C_EEPROM_BUS_BAUD_RATE 1000000 // 1 Mhz is the maximum speed of the EEPROM.
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#define I2C_EEPROM_BUS_MUX kPORT_MuxAlt2
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#define I2C_EEPROM_BUS_SDA_GPIO GPIOC
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#define I2C_EEPROM_BUS_SDA_PORT PORTC
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#define I2C_EEPROM_BUS_SDA_CLOCK kCLOCK_PortC
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#define I2C_EEPROM_BUS_SDA_PIN 11
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#define I2C_EEPROM_BUS_SCL_GPIO GPIOC
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#define I2C_EEPROM_BUS_SCL_PORT PORTC
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#define I2C_EEPROM_BUS_SCL_CLOCK kCLOCK_PortC
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#define I2C_EEPROM_BUS_SCL_PIN 10
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// Variables:
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extern i2c_master_handle_t I2cMasterHandle;
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// Functions:
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status_t I2cAsyncWrite(uint8_t i2cAddress, uint8_t *data, size_t dataSize);
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status_t I2cAsyncRead(uint8_t i2cAddress, uint8_t *data, size_t dataSize);
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status_t I2cAsyncWriteMessage(uint8_t i2cAddress, i2c_message_t *message);
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status_t I2cAsyncReadMessage(uint8_t i2cAddress, i2c_message_t *message);
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#endif
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