Linduino  1.3.0
Linear Technology Arduino-Compatible Demonstration Board

Library for LTC2945 12-Bit Wide Range Power Monitor. More...

Detailed Description

Library for LTC2945 12-Bit Wide Range Power Monitor.

Definition in file LTC2945.cpp.

Go to the source code of this file.

Functions

int8_t LTC2945_write (uint8_t i2c_address, uint8_t adc_command, uint8_t code)
 Write an 8-bit code to the LTC2945. More...
 
int8_t LTC2945_write_16_bits (uint8_t i2c_address, uint8_t adc_command, uint16_t code)
 Write a 16-bit code to the LTC2945. More...
 
int8_t LTC2945_write_24_bits (uint8_t i2c_address, uint8_t adc_command, int32_t code)
 Write a 24-bit code to the LTC2945. More...
 
int8_t LTC2945_read (uint8_t i2c_address, uint8_t adc_command, uint8_t *adc_code)
 Reads an 8-bit adc_code from LTC2945. More...
 
int8_t LTC2945_read_12_bits (uint8_t i2c_address, uint8_t adc_command, uint16_t *adc_code)
 Reads a 12-bit adc_code from LTC2945. More...
 
int8_t LTC2945_read_16_bits (uint8_t i2c_address, uint8_t adc_command, uint16_t *adc_code)
 Reads a 16-bit adc_code from LTC2945. More...
 
int8_t LTC2945_read_24_bits (uint8_t i2c_address, uint8_t adc_command, int32_t *adc_code)
 Reads a 24-bit adc_code from LTC2945. More...
 
float LTC2945_VIN_code_to_voltage (uint16_t adc_code, float LTC2945_VIN_lsb)
 Calculate the LTC2945 VIN voltage. More...
 
float LTC2945_ADIN_code_to_voltage (uint16_t adc_code, float LTC2945_ADIN_lsb)
 Calculate the LTC2945 ADIN voltage. More...
 
float LTC2945_code_to_current (uint16_t adc_code, float resistor, float LTC2945_DELTA_SENSE_lsb)
 Calculate the LTC2945 current with a sense resistor. More...
 
float LTC2945_code_to_power (int32_t adc_code, float resistor, float LTC2945_Power_lsb)
 Calculate the LTC2945 power. More...
 
float LTC2945_code_to_ADIN_power (int32_t adc_code, float resistor, float LTC2945_ADIN_DELTA_SENSE_lsb)
 Calculate the LTC2945 power with the ADIN. More...
 

Function Documentation

◆ LTC2945_ADIN_code_to_voltage()

float LTC2945_ADIN_code_to_voltage ( uint16_t  adc_code,
float  LTC2945_ADIN_lsb 
)

Calculate the LTC2945 ADIN voltage.

Returns
Returns the ADIN Voltage in Volts
Parameters
adc_codeThe ADC value
LTC2945_ADIN_lsbADIN lsb weight

Definition at line 171 of file LTC2945.cpp.

◆ LTC2945_code_to_ADIN_power()

float LTC2945_code_to_ADIN_power ( int32_t  adc_code,
float  resistor,
float  LTC2945_ADIN_DELTA_SENSE_lsb 
)

Calculate the LTC2945 power with the ADIN.

Returns
The LTC2945 power with the ADIN
Parameters
adc_codeThe ADC value
resistorThe resistor value
LTC2945_ADIN_DELTA_SENSE_lsbPower lsb weight

Definition at line 200 of file LTC2945.cpp.

◆ LTC2945_code_to_current()

float LTC2945_code_to_current ( uint16_t  adc_code,
float  resistor,
float  LTC2945_DELTA_SENSE_lsb 
)

Calculate the LTC2945 current with a sense resistor.

Returns
The LTC2945 current
Parameters
adc_codeThe ADC value
resistorThe resistor value
LTC2945_DELTA_SENSE_lsbDelta sense lsb weight

Definition at line 180 of file LTC2945.cpp.

◆ LTC2945_code_to_power()

float LTC2945_code_to_power ( int32_t  adc_code,
float  resistor,
float  LTC2945_Power_lsb 
)

Calculate the LTC2945 power.

Returns
The LTC2945 power
Parameters
adc_codeThe ADC value
resistorThe resistor value
LTC2945_Power_lsbPower lsb weight

Definition at line 190 of file LTC2945.cpp.

◆ LTC2945_read()

int8_t LTC2945_read ( uint8_t  i2c_address,
uint8_t  adc_command,
uint8_t *  adc_code 
)

Reads an 8-bit adc_code from LTC2945.

Returns
The function returns the state of the acknowledge bit after the I2C address write. 0=acknowledge, 1=no acknowledge.
Parameters
i2c_addressRegister address for the LTC2945
adc_commandThe "command byte" for the LTC2945
adc_codeValue that will be read from the register.

Definition at line 112 of file LTC2945.cpp.

◆ LTC2945_read_12_bits()

int8_t LTC2945_read_12_bits ( uint8_t  i2c_address,
uint8_t  adc_command,
uint16_t *  adc_code 
)

Reads a 12-bit adc_code from LTC2945.

Returns
The function returns the state of the acknowledge bit after the I2C address write. 0=acknowledge, 1=no acknowledge.
Parameters
i2c_addressRegister address for the LTC2945
adc_commandThe "command byte" for the LTC2945
adc_codeValue that will be read from the register.

Definition at line 123 of file LTC2945.cpp.

◆ LTC2945_read_16_bits()

int8_t LTC2945_read_16_bits ( uint8_t  i2c_address,
uint8_t  adc_command,
uint16_t *  adc_code 
)

Reads a 16-bit adc_code from LTC2945.

Returns
The function returns the state of the acknowledge bit after the I2C address write. 0=acknowledge, 1=no acknowledge.
Parameters
i2c_addressRegister address for the LTC2945
adc_commandThe "command byte" for the LTC2945
adc_codeValue that will be read from the register.

Definition at line 137 of file LTC2945.cpp.

◆ LTC2945_read_24_bits()

int8_t LTC2945_read_24_bits ( uint8_t  i2c_address,
uint8_t  adc_command,
int32_t *  adc_code 
)

Reads a 24-bit adc_code from LTC2945.

Returns
The function returns the state of the acknowledge bit after the I2C address write. 0=acknowledge, 1=no acknowledge.
Parameters
i2c_addressRegister address for the LTC2945
adc_commandThe "command byte" for the LTC2945
adc_codeValue that will be read from the register.

Definition at line 148 of file LTC2945.cpp.

◆ LTC2945_VIN_code_to_voltage()

float LTC2945_VIN_code_to_voltage ( uint16_t  adc_code,
float  LTC2945_VIN_lsb 
)

Calculate the LTC2945 VIN voltage.

Returns
Returns the VIN Voltage in Volts
Parameters
adc_codeThe ADC value
LTC2945_VIN_lsbVIN lsb weight

Definition at line 162 of file LTC2945.cpp.

◆ LTC2945_write()

int8_t LTC2945_write ( uint8_t  i2c_address,
uint8_t  adc_command,
uint8_t  code 
)

Write an 8-bit code to the LTC2945.

Returns
The function returns the state of the acknowledge bit after the I2C address write. 0=acknowledge, 1=no acknowledge.
Parameters
i2c_addressRegister address for the LTC2945
adc_commandThe "command byte" for the LTC2945
codeValue that will be written to the register.

Definition at line 76 of file LTC2945.cpp.

◆ LTC2945_write_16_bits()

int8_t LTC2945_write_16_bits ( uint8_t  i2c_address,
uint8_t  adc_command,
uint16_t  code 
)

Write a 16-bit code to the LTC2945.

Returns
The function returns the state of the acknowledge bit after the I2C address write. 0=acknowledge, 1=no acknowledge.
Parameters
i2c_addressRegister address for the LTC2945
adc_commandThe "command byte" for the LTC2945
codeValue that will be written to the register.

Definition at line 88 of file LTC2945.cpp.

◆ LTC2945_write_24_bits()

int8_t LTC2945_write_24_bits ( uint8_t  i2c_address,
uint8_t  adc_command,
int32_t  code 
)

Write a 24-bit code to the LTC2945.

Returns
The function returns the state of the acknowledge bit after the I2C address write. 0=acknowledge, 1=no acknowledge.
Parameters
i2c_addressRegister address for the LTC2945
adc_commandThe "command byte" for the LTC2945
codeValue that will be written to the register.

Definition at line 98 of file LTC2945.cpp.