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Linduino
1.3.0
Linear Technology Arduino-Compatible Demonstration Board
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Library for LTC1867: 16-Bit 8-Channel 200ksps ADC. More...
Library for LTC1867: 16-Bit 8-Channel 200ksps ADC.
Definition in file LTC1867.cpp.
Go to the source code of this file.
Functions | |
void | LTC1867_read (uint8_t cs, uint8_t adc_command, uint16_t *adc_code) |
Reads the ADC and returns 16-bit data. More... | |
float | LTC1867_unipolar_code_to_voltage (uint16_t adc_code, float LTC1867_lsb, int32_t LTC1867_offset_unipolar_code) |
Calculates the LTC1867 input's unipolar voltage given the binary data and lsb weight. More... | |
float | LTC1867_bipolar_code_to_voltage (uint16_t adc_code, float LTC1867_lsb, int32_t LTC1867_offset_bipolar_code) |
Calculates the LTC1867 input's bipolar voltage given the two's compliment data and lsb weight. More... | |
void | LTC1867_cal_voltage (uint16_t zero_unipolar_code, uint16_t zero_bipolar_code, uint16_t fs_code, float zero_voltage, float fs_voltage, float *LTC1867_lsb, int32_t *LTC1867_offset_unipolar_code, int32_t *LTC1867_offset_bipolar_code) |
Calibrate the offset and LSB voltage given two measured offset codes, and a full-scale voltage with the corresponding code. More... | |
float LTC1867_bipolar_code_to_voltage | ( | uint16_t | adc_code, |
float | LTC1867_lsb, | ||
int32_t | LTC1867_offset_bipolar_code | ||
) |
Calculates the LTC1867 input's bipolar voltage given the two's compliment data and lsb weight.
adc_code | Raw ADC code |
LTC1867_lsb | LSB value (volts) |
LTC1867_offset_bipolar_code | Offset code |
Definition at line 92 of file LTC1867.cpp.
void LTC1867_cal_voltage | ( | uint16_t | zero_unipolar_code, |
uint16_t | zero_bipolar_code, | ||
uint16_t | fs_code, | ||
float | zero_voltage, | ||
float | fs_voltage, | ||
float * | LTC1867_lsb, | ||
int32_t * | LTC1867_offset_unipolar_code, | ||
int32_t * | LTC1867_offset_bipolar_code | ||
) |
Calibrate the offset and LSB voltage given two measured offset codes, and a full-scale voltage with the corresponding code.
zero_unipolar_code | Code from a unipolar zero reading |
zero_bipolar_code | Code from a bipolar zero reading |
fs_code | full-scale code |
zero_voltage | Measured zero voltage |
fs_voltage | Measured full-scale voltage |
LTC1867_lsb | Return LSB value (volts) |
LTC1867_offset_unipolar_code | Return Unipolar Offset code, in floating point |
LTC1867_offset_bipolar_code | Return Bipolar Offset code, in floating point |
Definition at line 105 of file LTC1867.cpp.
void LTC1867_read | ( | uint8_t | cs, |
uint8_t | adc_command, | ||
uint16_t * | adc_code | ||
) |
Reads the ADC and returns 16-bit data.
cs | Chip Select Pin |
adc_command | Channel address, config bits ORed together |
adc_code | Returns code read from ADC (from previous conversion) |
Definition at line 78 of file LTC1867.cpp.
float LTC1867_unipolar_code_to_voltage | ( | uint16_t | adc_code, |
float | LTC1867_lsb, | ||
int32_t | LTC1867_offset_unipolar_code | ||
) |
Calculates the LTC1867 input's unipolar voltage given the binary data and lsb weight.
adc_code | Raw ADC code |
LTC1867_lsb | LSB value (volts) |
LTC1867_offset_unipolar_code | Offset code |
Definition at line 84 of file LTC1867.cpp.