calibration.h File Reference
Detailed Description
Defines for voltage reference calibration.Contains variables for bandgap reference calibration together with defines for them.
- Application note:
- AVR353: Voltage Reference Calibration and Voltage ADC Usage
- Documentation
- For comprehensive code documentation, supported compilers, compiler settings and supported devices see readme.html
- Revision
- 4814
- Date
- 2008-11-04 12:29:56 +0100 (ti, 04 nov 2008)
Copyright (c) 2008, Atmel Corporation All rights reserved.
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Definition in file calibration.h.
#include <stdint.h>
Go to the source code of this file.
Defines | |
| #define | CAL_CHANNEL 0x01 |
| Mux value for calibration channel PV1 (Cell1). | |
| #define | CAL_GAIN cell_gain[0] |
| Gain for calibration channel. | |
| #define | CAL_OFFSET cell_offset[0] |
| Offset for calibration channel. | |
| #define | TEMP_CAL0 0x00 |
| temp_cal[0]. Temperature dependency calibration (BGCRR) setting 0. | |
| #define | TEMP_CAL1 0x01 |
| temp_cal[1]. Temperature dependency calibration (BGCRR) setting 1. | |
| #define | TEMP_CAL2 0x03 |
| temp_cal[2]. Temperature dependency calibration (BGCRR) setting 2. | |
| #define | TEMP_CAL3 0x07 |
| temp_cal[3]. Temperature dependency calibration (BGCRR) setting 3. | |
| #define | TEMP_CAL4 0x0F |
| temp_cal[4]. Temperature dependency calibration (BGCRR) setting 4. | |
| #define | TEMP_CAL5 0x1F |
| temp_cal[5]. Temperature dependency calibration (BGCRR) setting 5. | |
| #define | TEMP_CAL6 0x3F |
| temp_cal[6]. Temperature dependency calibration (BGCRR) setting 6. | |
| #define | TEMP_CAL7 0x7F |
| temp_cal[7]. Temperature dependency calibration (BGCRR) setting 7. | |
| #define | TEMP_CAL8 0xFF |
| temp_cal[8]. Temperature dependency calibration (BGCRR) setting 8. | |
| #define | USE_CAL_GAIN 1 |
| Define for ignoring second point calibration and doing a new one on devices that already have that. | |
| #define | USE_CELL1_CAL 1 |
| Use Cell1 for calibration, otherwise use VADC0. | |
| #define | VCALIB_VALUE 4096 |
| 4096mV in | |
| #define | VLEVEL0 -37 |
| vcalibration_level[0]. Padding to enable TEMP_CAL0 if < VLEVEL1 | |
| #define | VLEVEL1 -37 |
| vcalibration_level[1]. | |
| #define | VLEVEL2 -30 |
| vcalibration_level[2]. | |
| #define | VLEVEL3 -20 |
| vcalibration_level[3]. | |
| #define | VLEVEL4 -9 |
| vcalibration_level[4]. | |
| #define | VLEVEL5 0 |
| vcalibration_level[5]. | |
| #define | VLEVEL6 4 |
| vcalibration_level[6]. | |
| #define | VLEVEL7 7 |
| vcalibration_level[7]. | |
| #define | VLEVEL8 11 |
| vcalibration_level[8]. | |
Variables | |
| __flash uint8_t | temp_cal [] = {TEMP_CAL0,TEMP_CAL1,TEMP_CAL2,TEMP_CAL3,TEMP_CAL4,TEMP_CAL5,TEMP_CAL6,TEMP_CAL7,TEMP_CAL8} |
| Flash constant for temperature dependency setting (BGCRR). | |
| __flash int8_t | vcalibration_level [] = {VLEVEL0,VLEVEL1,VLEVEL2,VLEVEL3,VLEVEL4,VLEVEL5,VLEVEL6,VLEVEL7,VLEVEL8} |
| Flash constant for calibration limits. See appnote for details. | |
Define Documentation
| #define CAL_CHANNEL 0x01 |
Mux value for calibration channel PV1 (Cell1).
Definition at line 80 of file calibration.h.
Referenced by CalibrateVREF().
| #define CAL_GAIN cell_gain[0] |
Gain for calibration channel.
Definition at line 81 of file calibration.h.
Referenced by MeasureVADCerror().
| #define CAL_OFFSET cell_offset[0] |
Offset for calibration channel.
Definition at line 82 of file calibration.h.
Referenced by MeasureVADCerror().
| #define TEMP_CAL0 0x00 |
temp_cal[0]. Temperature dependency calibration (BGCRR) setting 0.
Definition at line 55 of file calibration.h.
| #define TEMP_CAL1 0x01 |
temp_cal[1]. Temperature dependency calibration (BGCRR) setting 1.
Definition at line 56 of file calibration.h.
| #define TEMP_CAL2 0x03 |
temp_cal[2]. Temperature dependency calibration (BGCRR) setting 2.
Definition at line 57 of file calibration.h.
| #define TEMP_CAL3 0x07 |
temp_cal[3]. Temperature dependency calibration (BGCRR) setting 3.
Definition at line 58 of file calibration.h.
| #define TEMP_CAL4 0x0F |
temp_cal[4]. Temperature dependency calibration (BGCRR) setting 4.
Definition at line 59 of file calibration.h.
| #define TEMP_CAL5 0x1F |
temp_cal[5]. Temperature dependency calibration (BGCRR) setting 5.
Definition at line 60 of file calibration.h.
| #define TEMP_CAL6 0x3F |
temp_cal[6]. Temperature dependency calibration (BGCRR) setting 6.
Definition at line 61 of file calibration.h.
| #define TEMP_CAL7 0x7F |
temp_cal[7]. Temperature dependency calibration (BGCRR) setting 7.
Definition at line 62 of file calibration.h.
| #define TEMP_CAL8 0xFF |
temp_cal[8]. Temperature dependency calibration (BGCRR) setting 8.
Definition at line 63 of file calibration.h.
| #define USE_CAL_GAIN 1 |
Define for ignoring second point calibration and doing a new one on devices that already have that.
Use gain and offset for calibration. This adjusts calibration values, and also method in CalibrateVREF().
Definition at line 70 of file calibration.h.
| #define USE_CELL1_CAL 1 |
| #define VCALIB_VALUE 4096 |
| #define VLEVEL0 -37 |
vcalibration_level[0]. Padding to enable TEMP_CAL0 if < VLEVEL1
Definition at line 89 of file calibration.h.
| #define VLEVEL1 -37 |
| #define VLEVEL2 -30 |
| #define VLEVEL3 -20 |
| #define VLEVEL4 -9 |
| #define VLEVEL5 0 |
| #define VLEVEL6 4 |
| #define VLEVEL7 7 |
| #define VLEVEL8 11 |
Variable Documentation
| __flash uint8_t temp_cal[] = {TEMP_CAL0,TEMP_CAL1,TEMP_CAL2,TEMP_CAL3,TEMP_CAL4,TEMP_CAL5,TEMP_CAL6,TEMP_CAL7,TEMP_CAL8} |
Flash constant for temperature dependency setting (BGCRR).
Definition at line 156 of file calibration.h.
Referenced by CalibrateVREF().
| __flash int8_t vcalibration_level[] = {VLEVEL0,VLEVEL1,VLEVEL2,VLEVEL3,VLEVEL4,VLEVEL5,VLEVEL6,VLEVEL7,VLEVEL8} |
Flash constant for calibration limits. See appnote for details.
Definition at line 159 of file calibration.h.
Referenced by CalibrateVREF().
