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Linduino
1.3.0
Linear Technology Arduino-Compatible Demonstration Board
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Library for LTC2640: Single 12-/10-/8-Bit Rail-to-Rail DACs with 10ppm/C Reference. More...
Library for LTC2640: Single 12-/10-/8-Bit Rail-to-Rail DACs with 10ppm/C Reference.
Definition in file LTC2640.cpp.
Go to the source code of this file.
Functions | |
void | LTC2640_write (uint8_t cs, uint8_t dac_command, uint16_t dac_code) |
Write the dac_command and 16-bit dac_code to the LTC2640. More... | |
uint16_t | LTC2640_voltage_to_code (float dac_voltage, float LTC2640_lsb, int16_t LTC2640_offset) |
Calculate the LTC2640 DAC code given the desired output voltage. More... | |
float | LTC2640_code_to_voltage (uint16_t dac_code, float LTC2640_lsb, int16_t LTC2640_offset) |
Calculate the LTC2640 DAC output voltage given the DAC code, offset, and LSB value. More... | |
void | LTC2640_calibrate (uint16_t dac_code1, uint16_t dac_code2, float voltage1, float voltage2, float *LTC2640_lsb, int16_t *LTC2640_offset) |
Calculate the LTC2640 offset and LSB voltages given two measured voltages and their corresponding codes. More... | |
void LTC2640_calibrate | ( | uint16_t | dac_code1, |
uint16_t | dac_code2, | ||
float | voltage1, | ||
float | voltage2, | ||
float * | LTC2640_lsb, | ||
int16_t * | LTC2640_offset | ||
) |
Calculate the LTC2640 offset and LSB voltages given two measured voltages and their corresponding codes.
dac_code1 | First DAC code |
dac_code2 | Second DAC code |
voltage1 | First voltage |
voltage2 | Second voltage |
LTC2640_lsb | Returns resulting LSB (volts) |
LTC2640_offset | Returns resulting Offset (volts) |
Definition at line 123 of file LTC2640.cpp.
float LTC2640_code_to_voltage | ( | uint16_t | dac_code, |
float | LTC2640_lsb, | ||
int16_t | LTC2640_offset | ||
) |
Calculate the LTC2640 DAC output voltage given the DAC code, offset, and LSB value.
dac_code | DAC code |
LTC2640_lsb | LSB value (volts) |
LTC2640_offset | Offset (volts) |
Definition at line 115 of file LTC2640.cpp.
uint16_t LTC2640_voltage_to_code | ( | float | dac_voltage, |
float | LTC2640_lsb, | ||
int16_t | LTC2640_offset | ||
) |
Calculate the LTC2640 DAC code given the desired output voltage.
dac_voltage | Voltage to send to DAC |
LTC2640_lsb | LSB value (volts) |
LTC2640_offset | Offset (volts) |
Definition at line 101 of file LTC2640.cpp.
void LTC2640_write | ( | uint8_t | cs, |
uint8_t | dac_command, | ||
uint16_t | dac_code | ||
) |
Write the dac_command and 16-bit dac_code to the LTC2640.
The dac_code must be left aligned before calling this function.
cs | Chip Select Pin |
dac_command | Command code nibble |
dac_code | 12-bit DAC code, left justified |
Definition at line 87 of file LTC2640.cpp.