LNSC-2420-Firmware/src/calibration.h

#ifndef CALIBRATION_H
#define CALIBRATION_H

/* All values defined here are divided by 1000 to determine the actual scaling
 * factor. Therefore, if the voltage determined by the firmware is 2% lower
 * than the actual voltage, you have to scale by 1.02 and therefore specify
 * 1020 in this list. */

/* Values for the device at the B26 tower */

#if 0
#define CAL_FACTOR_U_BAT     994
#define CAL_FACTOR_U_SOLAR   997
#define CAL_FACTOR_U_SW      996
#define CAL_FACTOR_I_SOLAR  1015
#define CAL_FACTOR_I_LOAD   1000
#endif

/* Values for the development device */

#if 1
#define CAL_FACTOR_U_BAT    1012
#define CAL_FACTOR_U_SOLAR  1015
#define CAL_FACTOR_U_SW     1006
#define CAL_FACTOR_I_SOLAR  3980
#define CAL_FACTOR_I_LOAD   1000
#endif

#endif // CALIBRATION_H
Make measurement usable - Run ADC Calibration on startup (without calibration, there is a huge offset error, making the current sensing unusable) - Added calibration factors which allow to compensate for inaccuracies in the circuitry (example: 1% tolerance transistors) - Send measured values via RS485 2021-06-06 12:17:38 +02:00			`#ifndef CALIBRATION_H`
			`#define CALIBRATION_H`

			`/* All values defined here are divided by 1000 to determine the actual scaling`
			`* factor. Therefore, if the voltage determined by the firmware is 2% lower`
			`* than the actual voltage, you have to scale by 1.02 and therefore specify`
			`* 1020 in this list. */`

calibration: add development device 2022-09-24 16:28:35 +02:00			`/* Values for the device at the B26 tower */`

			`#if 0`
Recalibrate using Voltcraft VC-523SE multimeter 2021-09-19 14:27:39 +02:00			`#define CAL_FACTOR_U_BAT 994`
			`#define CAL_FACTOR_U_SOLAR 997`
			`#define CAL_FACTOR_U_SW 996`
Make measurement usable - Run ADC Calibration on startup (without calibration, there is a huge offset error, making the current sensing unusable) - Added calibration factors which allow to compensate for inaccuracies in the circuitry (example: 1% tolerance transistors) - Send measured values via RS485 2021-06-06 12:17:38 +02:00			`#define CAL_FACTOR_I_SOLAR 1015`
			`#define CAL_FACTOR_I_LOAD 1000`
calibration: add development device 2022-09-24 16:28:35 +02:00			`#endif`

			`/* Values for the development device */`

			`#if 1`
			`#define CAL_FACTOR_U_BAT 1012`
			`#define CAL_FACTOR_U_SOLAR 1015`
			`#define CAL_FACTOR_U_SW 1006`
			`#define CAL_FACTOR_I_SOLAR 3980`
			`#define CAL_FACTOR_I_LOAD 1000`
			`#endif`
Make measurement usable - Run ADC Calibration on startup (without calibration, there is a huge offset error, making the current sensing unusable) - Added calibration factors which allow to compensate for inaccuracies in the circuitry (example: 1% tolerance transistors) - Send measured values via RS485 2021-06-06 12:17:38 +02:00
			`#endif // CALIBRATION_H`