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1 | /*#######################################################################################*/ |
1 | /*#######################################################################################*/ |
2 | /* !!! THIS IS NOT FREE SOFTWARE !!! */ |
2 | /* !!! THIS IS NOT FREE SOFTWARE !!! */ |
3 | /*#######################################################################################*/ |
3 | /*#######################################################################################*/ |
4 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
4 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
5 | // + Copyright (c) 2010 Ingo Busker, Holger Buss |
5 | // + Copyright (c) 2010 Ingo Busker, Holger Buss |
6 | // + Nur für den privaten Gebrauch / NON-COMMERCIAL USE ONLY |
6 | // + Nur für den privaten Gebrauch / NON-COMMERCIAL USE ONLY |
7 | // + FOR NON COMMERCIAL USE ONLY |
7 | // + FOR NON COMMERCIAL USE ONLY |
8 | // + www.MikroKopter.com |
8 | // + www.MikroKopter.com |
9 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
9 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
10 | // + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation), |
10 | // + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation), |
11 | // + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist. |
11 | // + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist. |
12 | // + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt |
12 | // + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt |
13 | // + bzgl. der Nutzungsbedingungen aufzunehmen. |
13 | // + bzgl. der Nutzungsbedingungen aufzunehmen. |
14 | // + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen, |
14 | // + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen, |
15 | // + Verkauf von Luftbildaufnahmen, usw. |
15 | // + Verkauf von Luftbildaufnahmen, usw. |
16 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
16 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
17 | // + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht, |
17 | // + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht, |
18 | // + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen |
18 | // + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen |
19 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
19 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
20 | // + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts |
20 | // + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts |
21 | // + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de" |
21 | // + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de" |
22 | // + eindeutig als Ursprung verlinkt werden |
22 | // + eindeutig als Ursprung verlinkt werden |
23 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
23 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
24 | // + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion |
24 | // + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion |
25 | // + Benutzung auf eigene Gefahr |
25 | // + Benutzung auf eigene Gefahr |
26 | // + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden |
26 | // + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden |
27 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
27 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
28 | // + Die Portierung oder Nutzung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur |
28 | // + Die Portierung oder Nutzung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur |
29 | // + mit unserer Zustimmung zulässig |
29 | // + mit unserer Zustimmung zulässig |
30 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
30 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
31 | // + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen |
31 | // + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen |
32 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
32 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
33 | // + Redistributions of source code (with or without modifications) must retain the above copyright notice, |
33 | // + Redistributions of source code (with or without modifications) must retain the above copyright notice, |
34 | // + this list of conditions and the following disclaimer. |
34 | // + this list of conditions and the following disclaimer. |
35 | // + * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived |
35 | // + * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived |
36 | // + from this software without specific prior written permission. |
36 | // + from this software without specific prior written permission. |
37 | // + * The use of this project (hardware, software, binary files, sources and documentation) is only permitted |
37 | // + * The use of this project (hardware, software, binary files, sources and documentation) is only permitted |
38 | // + for non-commercial use (directly or indirectly) |
38 | // + for non-commercial use (directly or indirectly) |
39 | // + Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted |
39 | // + Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted |
40 | // + with our written permission |
40 | // + with our written permission |
41 | // + * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be |
41 | // + * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be |
42 | // + clearly linked as origin |
42 | // + clearly linked as origin |
43 | // + * porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed |
43 | // + * porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed |
44 | // |
44 | // |
45 | // + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
45 | // + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
46 | // + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
46 | // + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
47 | // + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
47 | // + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
48 | // + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
48 | // + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
49 | // + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
49 | // + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
50 | // + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
50 | // + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
51 | // + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
51 | // + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
52 | // + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
52 | // + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
53 | // + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
53 | // + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
54 | // + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
54 | // + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
55 | // + POSSIBILITY OF SUCH DAMAGE. |
55 | // + POSSIBILITY OF SUCH DAMAGE. |
56 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
56 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
57 | #include <math.h> |
57 | #include <math.h> |
58 | #include <string.h> |
58 | #include <string.h> |
59 | #include "91x_lib.h" |
59 | #include "91x_lib.h" |
60 | #include "ncmag.h" |
60 | #include "ncmag.h" |
61 | #include "i2c.h" |
61 | #include "i2c.h" |
62 | #include "timer1.h" |
62 | #include "timer1.h" |
63 | #include "led.h" |
63 | #include "led.h" |
64 | #include "spi_slave.h" |
64 | #include "spi_slave.h" |
65 | #include "uart1.h" |
65 | #include "uart1.h" |
66 | #include "eeprom.h" |
66 | #include "eeprom.h" |
67 | #include "mymath.h" |
67 | #include "mymath.h" |
68 | 68 | ||
69 | u8 NCMAG_Present = 0; |
69 | u8 NCMAG_Present = 0; |
70 | u8 NCMAG_IsCalibrated = 0; |
70 | u8 NCMAG_IsCalibrated = 0; |
71 | 71 | ||
72 | #define MAG_TYPE_NONE 0 |
72 | #define MAG_TYPE_NONE 0 |
73 | #define MAG_TYPE_HMC5843 1 |
73 | #define MAG_TYPE_HMC5843 1 |
74 | #define MAG_TYPE_LSM303DLH 2 |
74 | #define MAG_TYPE_LSM303DLH 2 |
75 | u8 NCMAG_MagType = MAG_TYPE_NONE; |
75 | u8 NCMAG_MagType = MAG_TYPE_NONE; |
76 | 76 | ||
77 | #define CALIBRATION_VERSION 1 |
77 | #define CALIBRATION_VERSION 1 |
78 | #define EEPROM_ADR_MAG_CALIBRATION 50 |
78 | #define EEPROM_ADR_MAG_CALIBRATION 50 |
79 | 79 | ||
80 | #define NCMAG_MIN_RAWVALUE -2047 |
80 | #define NCMAG_MIN_RAWVALUE -2047 |
81 | #define NCMAG_MAX_RAWVALUE 2047 |
81 | #define NCMAG_MAX_RAWVALUE 2047 |
82 | #define NCMAG_INVALID_DATA -4096 |
82 | #define NCMAG_INVALID_DATA -4096 |
83 | 83 | ||
84 | typedef struct |
84 | typedef struct |
85 | { |
85 | { |
86 | s16 Range; |
86 | s16 Range; |
87 | s16 Offset; |
87 | s16 Offset; |
88 | } __attribute__((packed)) Scaling_t; |
88 | } __attribute__((packed)) Scaling_t; |
89 | 89 | ||
90 | typedef struct |
90 | typedef struct |
91 | { |
91 | { |
92 | Scaling_t MagX; |
92 | Scaling_t MagX; |
93 | Scaling_t MagY; |
93 | Scaling_t MagY; |
94 | Scaling_t MagZ; |
94 | Scaling_t MagZ; |
95 | u8 Version; |
95 | u8 Version; |
96 | u8 crc; |
96 | u8 crc; |
97 | } __attribute__((packed)) Calibration_t; |
97 | } __attribute__((packed)) Calibration_t; |
98 | 98 | ||
99 | Calibration_t Calibration; // calibration data in RAM |
99 | Calibration_t Calibration; // calibration data in RAM |
100 | 100 | ||
101 | // i2c MAG interface |
101 | // i2c MAG interface |
102 | #define MAG_SLAVE_ADDRESS 0x3C // i2C slave address mag. sensor registers |
102 | #define MAG_SLAVE_ADDRESS 0x3C // i2C slave address mag. sensor registers |
103 | 103 | ||
104 | // register mapping |
104 | // register mapping |
105 | #define REG_MAG_CRA 0x00 |
105 | #define REG_MAG_CRA 0x00 |
106 | #define REG_MAG_CRB 0x01 |
106 | #define REG_MAG_CRB 0x01 |
107 | #define REG_MAG_MODE 0x02 |
107 | #define REG_MAG_MODE 0x02 |
108 | #define REG_MAG_DATAX_MSB 0x03 |
108 | #define REG_MAG_DATAX_MSB 0x03 |
109 | #define REG_MAG_DATAX_LSB 0x04 |
109 | #define REG_MAG_DATAX_LSB 0x04 |
110 | #define REG_MAG_DATAY_MSB 0x05 |
110 | #define REG_MAG_DATAY_MSB 0x05 |
111 | #define REG_MAG_DATAY_LSB 0x06 |
111 | #define REG_MAG_DATAY_LSB 0x06 |
112 | #define REG_MAG_DATAZ_MSB 0x07 |
112 | #define REG_MAG_DATAZ_MSB 0x07 |
113 | #define REG_MAG_DATAZ_LSB 0x08 |
113 | #define REG_MAG_DATAZ_LSB 0x08 |
114 | #define REG_MAG_STATUS 0x09 |
114 | #define REG_MAG_STATUS 0x09 |
115 | #define REG_MAG_IDA 0x0A |
115 | #define REG_MAG_IDA 0x0A |
116 | #define REG_MAG_IDB 0x0B |
116 | #define REG_MAG_IDB 0x0B |
117 | #define REG_MAG_IDC 0x0C |
117 | #define REG_MAG_IDC 0x0C |
118 | 118 | ||
119 | // bit mask for configuration mode |
119 | // bit mask for configuration mode |
120 | #define CRA_MODE_MASK 0x03 |
120 | #define CRA_MODE_MASK 0x03 |
121 | #define CRA_MODE_NORMAL 0x00 //default |
121 | #define CRA_MODE_NORMAL 0x00 //default |
122 | #define CRA_MODE_POSBIAS 0x01 |
122 | #define CRA_MODE_POSBIAS 0x01 |
123 | #define CRA_MODE_NEGBIAS 0x02 |
123 | #define CRA_MODE_NEGBIAS 0x02 |
124 | #define CRA_MODE_SELFTEST 0x03 |
124 | #define CRA_MODE_SELFTEST 0x03 |
125 | 125 | ||
126 | // bit mask for measurement mode |
126 | // bit mask for measurement mode |
127 | #define MODE_MASK 0xFF |
127 | #define MODE_MASK 0xFF |
128 | #define MODE_CONTINUOUS 0x00 |
128 | #define MODE_CONTINUOUS 0x00 |
129 | #define MODE_SINGLE 0x01 // default |
129 | #define MODE_SINGLE 0x01 // default |
130 | #define MODE_IDLE 0x02 |
130 | #define MODE_IDLE 0x02 |
131 | #define MODE_SLEEP 0x03 |
131 | #define MODE_SLEEP 0x03 |
132 | 132 | ||
133 | // bit mask for rate |
133 | // bit mask for rate |
134 | #define CRA_RATE_MASK 0x1C |
134 | #define CRA_RATE_MASK 0x1C |
135 | 135 | ||
136 | // bit mask for gain |
136 | // bit mask for gain |
137 | #define CRB_GAIN_MASK 0xE0 |
137 | #define CRB_GAIN_MASK 0xE0 |
138 | 138 | ||
139 | // ids |
139 | // ids |
140 | #define MAG_IDA 0x48 |
140 | #define MAG_IDA 0x48 |
141 | #define MAG_IDB 0x34 |
141 | #define MAG_IDB 0x34 |
142 | #define MAG_IDC 0x33 |
142 | #define MAG_IDC 0x33 |
143 | 143 | ||
144 | // the special HMC5843 interface |
144 | // the special HMC5843 interface |
145 | // bit mask for rate |
145 | // bit mask for rate |
146 | #define HMC5843_CRA_RATE_0_5HZ 0x00 |
146 | #define HMC5843_CRA_RATE_0_5HZ 0x00 |
147 | #define HMC5843_CRA_RATE_1HZ 0x04 |
147 | #define HMC5843_CRA_RATE_1HZ 0x04 |
148 | #define HMC5843_CRA_RATE_2HZ 0x08 |
148 | #define HMC5843_CRA_RATE_2HZ 0x08 |
149 | #define HMC5843_CRA_RATE_5HZ 0x0C |
149 | #define HMC5843_CRA_RATE_5HZ 0x0C |
150 | #define HMC5843_CRA_RATE_10HZ 0x10 //default |
150 | #define HMC5843_CRA_RATE_10HZ 0x10 //default |
151 | #define HMC5843_CRA_RATE_20HZ 0x14 |
151 | #define HMC5843_CRA_RATE_20HZ 0x14 |
152 | #define HMC5843_CRA_RATE_50HZ 0x18 |
152 | #define HMC5843_CRA_RATE_50HZ 0x18 |
153 | // bit mask for gain |
153 | // bit mask for gain |
154 | #define HMC5843_CRB_GAIN_07GA 0x00 |
154 | #define HMC5843_CRB_GAIN_07GA 0x00 |
155 | #define HMC5843_CRB_GAIN_10GA 0x20 //default |
155 | #define HMC5843_CRB_GAIN_10GA 0x20 //default |
156 | #define HMC5843_CRB_GAIN_15GA 0x40 |
156 | #define HMC5843_CRB_GAIN_15GA 0x40 |
157 | #define HMC5843_CRB_GAIN_20GA 0x60 |
157 | #define HMC5843_CRB_GAIN_20GA 0x60 |
158 | #define HMC5843_CRB_GAIN_32GA 0x80 |
158 | #define HMC5843_CRB_GAIN_32GA 0x80 |
159 | #define HMC5843_CRB_GAIN_38GA 0xA0 |
159 | #define HMC5843_CRB_GAIN_38GA 0xA0 |
160 | #define HMC5843_CRB_GAIN_45GA 0xC0 |
160 | #define HMC5843_CRB_GAIN_45GA 0xC0 |
161 | #define HMC5843_CRB_GAIN_65GA 0xE0 |
161 | #define HMC5843_CRB_GAIN_65GA 0xE0 |
162 | // self test value |
162 | // self test value |
163 | #define HMC5843_TEST_XSCALE 715 |
163 | #define HMC5843_TEST_XSCALE 715 |
164 | #define HMC5843_TEST_YSCALE 715 |
164 | #define HMC5843_TEST_YSCALE 715 |
165 | #define HMC5843_TEST_ZSCALE 715 |
165 | #define HMC5843_TEST_ZSCALE 715 |
166 | 166 | ||
167 | 167 | ||
168 | // the special LSM302DLH interface |
168 | // the special LSM302DLH interface |
169 | // bit mask for rate |
169 | // bit mask for rate |
170 | #define LSM303DLH_CRA_RATE_0_75HZ 0x00 |
170 | #define LSM303DLH_CRA_RATE_0_75HZ 0x00 |
171 | #define LSM303DLH_CRA_RATE_1_5HZ 0x04 |
171 | #define LSM303DLH_CRA_RATE_1_5HZ 0x04 |
172 | #define LSM303DLH_CRA_RATE_3_0HZ 0x08 |
172 | #define LSM303DLH_CRA_RATE_3_0HZ 0x08 |
173 | #define LSM303DLH_CRA_RATE_7_5HZ 0x0C |
173 | #define LSM303DLH_CRA_RATE_7_5HZ 0x0C |
174 | #define LSM303DLH_CRA_RATE_15HZ 0x10 //default |
174 | #define LSM303DLH_CRA_RATE_15HZ 0x10 //default |
175 | #define LSM303DLH_CRA_RATE_30HZ 0x14 |
175 | #define LSM303DLH_CRA_RATE_30HZ 0x14 |
176 | #define LSM303DLH_CRA_RATE_75HZ 0x18 |
176 | #define LSM303DLH_CRA_RATE_75HZ 0x18 |
177 | // bit mask for gain |
177 | // bit mask for gain |
178 | #define LSM303DLH_CRB_GAIN_XXGA 0x00 |
178 | #define LSM303DLH_CRB_GAIN_XXGA 0x00 |
179 | #define LSM303DLH_CRB_GAIN_13GA 0x20 //default |
179 | #define LSM303DLH_CRB_GAIN_13GA 0x20 //default |
180 | #define LSM303DLH_CRB_GAIN_19GA 0x40 |
180 | #define LSM303DLH_CRB_GAIN_19GA 0x40 |
181 | #define LSM303DLH_CRB_GAIN_25GA 0x60 |
181 | #define LSM303DLH_CRB_GAIN_25GA 0x60 |
182 | #define LSM303DLH_CRB_GAIN_40GA 0x80 |
182 | #define LSM303DLH_CRB_GAIN_40GA 0x80 |
183 | #define LSM303DLH_CRB_GAIN_47GA 0xA0 |
183 | #define LSM303DLH_CRB_GAIN_47GA 0xA0 |
184 | #define LSM303DLH_CRB_GAIN_56GA 0xC0 |
184 | #define LSM303DLH_CRB_GAIN_56GA 0xC0 |
185 | #define LSM303DLH_CRB_GAIN_81GA 0xE0 |
185 | #define LSM303DLH_CRB_GAIN_81GA 0xE0 |
186 | // self test value |
186 | // self test value |
187 | #define LSM303DLH_TEST_XSCALE 655 |
187 | #define LSM303DLH_TEST_XSCALE 655 |
188 | #define LSM303DLH_TEST_YSCALE 655 |
188 | #define LSM303DLH_TEST_YSCALE 655 |
189 | #define LSM303DLH_TEST_ZSCALE 630 |
189 | #define LSM303DLH_TEST_ZSCALE 630 |
190 | 190 | ||
191 | // the i2c ACC interface |
191 | // the i2c ACC interface |
192 | #define ACC_SLAVE_ADDRESS 0x30 // i2c slave for acc. sensor registers |
192 | #define ACC_SLAVE_ADDRESS 0x30 // i2c slave for acc. sensor registers |
193 | // register mapping |
193 | // register mapping |
194 | #define REG_ACC_CTRL1 0x20 |
194 | #define REG_ACC_CTRL1 0x20 |
195 | #define REG_ACC_CTRL2 0x21 |
195 | #define REG_ACC_CTRL2 0x21 |
196 | #define REG_ACC_CTRL3 0x22 |
196 | #define REG_ACC_CTRL3 0x22 |
197 | #define REG_ACC_CTRL4 0x23 |
197 | #define REG_ACC_CTRL4 0x23 |
198 | #define REG_ACC_CTRL5 0x24 |
198 | #define REG_ACC_CTRL5 0x24 |
199 | #define REG_ACC_HP_FILTER_RESET 0x25 |
199 | #define REG_ACC_HP_FILTER_RESET 0x25 |
200 | #define REG_ACC_REFERENCE 0x26 |
200 | #define REG_ACC_REFERENCE 0x26 |
201 | #define REG_ACC_STATUS 0x27 |
201 | #define REG_ACC_STATUS 0x27 |
202 | #define REG_ACC_X_LSB 0x28 |
202 | #define REG_ACC_X_LSB 0x28 |
203 | #define REG_ACC_X_MSB 0x29 |
203 | #define REG_ACC_X_MSB 0x29 |
204 | #define REG_ACC_Y_LSB 0x2A |
204 | #define REG_ACC_Y_LSB 0x2A |
205 | #define REG_ACC_Y_MSB 0x2B |
205 | #define REG_ACC_Y_MSB 0x2B |
206 | #define REG_ACC_Z_LSB 0x2C |
206 | #define REG_ACC_Z_LSB 0x2C |
207 | #define REG_ACC_Z_MSB 0x2D |
207 | #define REG_ACC_Z_MSB 0x2D |
208 | 208 | ||
209 | 209 | ||
210 | 210 | ||
211 | typedef struct |
211 | typedef struct |
212 | { |
212 | { |
213 | u8 A; |
213 | u8 A; |
214 | u8 B; |
214 | u8 B; |
215 | u8 C; |
215 | u8 C; |
216 | } __attribute__((packed)) Identification_t; |
216 | } __attribute__((packed)) Identification_t; |
217 | 217 | ||
218 | volatile Identification_t NCMAG_Identification; |
218 | volatile Identification_t NCMAG_Identification; |
219 | 219 | ||
220 | typedef struct |
220 | typedef struct |
221 | { |
221 | { |
222 | u8 cra; |
222 | u8 cra; |
223 | u8 crb; |
223 | u8 crb; |
224 | u8 mode; |
224 | u8 mode; |
225 | } __attribute__((packed)) MagConfig_t; |
225 | } __attribute__((packed)) MagConfig_t; |
226 | 226 | ||
227 | volatile MagConfig_t MagConfig; |
227 | volatile MagConfig_t MagConfig; |
228 | 228 | ||
229 | typedef struct |
229 | typedef struct |
230 | { |
230 | { |
231 | u8 ctrl_1; |
231 | u8 ctrl_1; |
232 | u8 ctrl_2; |
232 | u8 ctrl_2; |
233 | u8 ctrl_3; |
233 | u8 ctrl_3; |
234 | u8 ctrl_4; |
234 | u8 ctrl_4; |
235 | u8 ctrl_5; |
235 | u8 ctrl_5; |
236 | } __attribute__((packed)) AccConfig_t; |
236 | } __attribute__((packed)) AccConfig_t; |
237 | 237 | ||
238 | volatile AccConfig_t AccConfig; |
238 | volatile AccConfig_t AccConfig; |
239 | 239 | ||
240 | volatile s16vec_t AccRawVector; |
240 | volatile s16vec_t AccRawVector; |
241 | volatile s16vec_t MagRawVector; |
241 | volatile s16vec_t MagRawVector; |
242 | 242 | ||
243 | 243 | ||
244 | u8 NCMag_CalibrationWrite(void) |
244 | u8 NCMag_CalibrationWrite(void) |
245 | { |
245 | { |
246 | u8 i, crc = 0xAA; |
246 | u8 i, crc = 0xAA; |
247 | EEPROM_Result_t eres; |
247 | EEPROM_Result_t eres; |
248 | u8 *pBuff = (u8*)&Calibration; |
248 | u8 *pBuff = (u8*)&Calibration; |
249 | 249 | ||
250 | Calibration.Version = CALIBRATION_VERSION; |
250 | Calibration.Version = CALIBRATION_VERSION; |
251 | for(i = 0; i<(sizeof(Calibration)-1); i++) |
251 | for(i = 0; i<(sizeof(Calibration)-1); i++) |
252 | { |
252 | { |
253 | crc += pBuff[i]; |
253 | crc += pBuff[i]; |
254 | } |
254 | } |
255 | Calibration.crc = ~crc; |
255 | Calibration.crc = ~crc; |
256 | eres = EEPROM_WriteBlock(EEPROM_ADR_MAG_CALIBRATION, pBuff, sizeof(Calibration)); |
256 | eres = EEPROM_WriteBlock(EEPROM_ADR_MAG_CALIBRATION, pBuff, sizeof(Calibration)); |
257 | if(EEPROM_SUCCESS == eres) i = 1; |
257 | if(EEPROM_SUCCESS == eres) i = 1; |
258 | else i = 0; |
258 | else i = 0; |
259 | return(i); |
259 | return(i); |
260 | } |
260 | } |
261 | 261 | ||
262 | u8 NCMag_CalibrationRead(void) |
262 | u8 NCMag_CalibrationRead(void) |
263 | { |
263 | { |
264 | u8 i, crc = 0xAA; |
264 | u8 i, crc = 0xAA; |
265 | u8 *pBuff = (u8*)&Calibration; |
265 | u8 *pBuff = (u8*)&Calibration; |
266 | 266 | ||
267 | if(EEPROM_SUCCESS == EEPROM_ReadBlock(EEPROM_ADR_MAG_CALIBRATION, pBuff, sizeof(Calibration))) |
267 | if(EEPROM_SUCCESS == EEPROM_ReadBlock(EEPROM_ADR_MAG_CALIBRATION, pBuff, sizeof(Calibration))) |
268 | { |
268 | { |
269 | for(i = 0; i<(sizeof(Calibration)-1); i++) |
269 | for(i = 0; i<(sizeof(Calibration)-1); i++) |
270 | { |
270 | { |
271 | crc += pBuff[i]; |
271 | crc += pBuff[i]; |
272 | } |
272 | } |
273 | crc = ~crc; |
273 | crc = ~crc; |
274 | if(Calibration.crc != crc) return(0); // crc mismatch |
274 | if(Calibration.crc != crc) return(0); // crc mismatch |
275 | if(Calibration.Version == CALIBRATION_VERSION) return(1); |
275 | if(Calibration.Version == CALIBRATION_VERSION) return(1); |
276 | } |
276 | } |
277 | return(0); |
277 | return(0); |
278 | } |
278 | } |
279 | 279 | ||
280 | 280 | ||
281 | void NCMAG_Calibrate(void) |
281 | void NCMAG_Calibrate(void) |
282 | { |
282 | { |
283 | static s16 Xmin = 0, Xmax = 0, Ymin = 0, Ymax = 0, Zmin = 0, Zmax = 0; |
283 | static s16 Xmin = 0, Xmax = 0, Ymin = 0, Ymax = 0, Zmin = 0, Zmax = 0; |
284 | static s16 X = 0, Y = 0, Z = 0; |
284 | static s16 X = 0, Y = 0, Z = 0; |
285 | static u8 OldCalState = 0; |
285 | static u8 OldCalState = 0; |
286 | 286 | ||
287 | X = (4*X + MagRawVector.X + 3)/5; |
287 | X = (4*X + MagRawVector.X + 3)/5; |
288 | Y = (4*Y + MagRawVector.Y + 3)/5; |
288 | Y = (4*Y + MagRawVector.Y + 3)/5; |
289 | Z = (4*Z + MagRawVector.Z + 3)/5; |
289 | Z = (4*Z + MagRawVector.Z + 3)/5; |
290 | 290 | ||
291 | switch(Compass_CalState) |
291 | switch(Compass_CalState) |
292 | { |
292 | { |
293 | case 1: |
293 | case 1: |
294 | // 1st step of calibration |
294 | // 1st step of calibration |
295 | // initialize ranges |
295 | // initialize ranges |
296 | // used to change the orientation of the NC in the horizontal plane |
296 | // used to change the orientation of the NC in the horizontal plane |
297 | Xmin = 10000; |
297 | Xmin = 10000; |
298 | Xmax = -10000; |
298 | Xmax = -10000; |
299 | Ymin = 10000; |
299 | Ymin = 10000; |
300 | Ymax = -10000; |
300 | Ymax = -10000; |
301 | Zmin = 10000; |
301 | Zmin = 10000; |
302 | Zmax = -10000; |
302 | Zmax = -10000; |
303 | break; |
303 | break; |
304 | 304 | ||
305 | case 2: // 2nd step of calibration |
305 | case 2: // 2nd step of calibration |
306 | // find Min and Max of the X- and Y-Sensors during rotation in the horizontal plane |
306 | // find Min and Max of the X- and Y-Sensors during rotation in the horizontal plane |
307 | if(X < Xmin) Xmin = X; |
307 | if(X < Xmin) Xmin = X; |
308 | else if(X > Xmax) Xmax = X; |
308 | else if(X > Xmax) Xmax = X; |
309 | if(Y < Ymin) Ymin = Y; |
309 | if(Y < Ymin) Ymin = Y; |
310 | else if(Y > Ymax) Ymax = Y; |
310 | else if(Y > Ymax) Ymax = Y; |
311 | break; |
311 | break; |
312 | 312 | ||
313 | case 3: // 3rd step of calibration |
313 | case 3: // 3rd step of calibration |
314 | // used to change the orientation of the MK3MAG vertical to the horizontal plane |
314 | // used to change the orientation of the MK3MAG vertical to the horizontal plane |
315 | break; |
315 | break; |
316 | 316 | ||
317 | case 4: |
317 | case 4: |
318 | // find Min and Max of the Z-Sensor |
318 | // find Min and Max of the Z-Sensor |
319 | if(Z < Zmin) Zmin = Z; |
319 | if(Z < Zmin) Zmin = Z; |
320 | else if(Z > Zmax) Zmax = Z; |
320 | else if(Z > Zmax) Zmax = Z; |
321 | break; |
321 | break; |
322 | 322 | ||
323 | case 5: |
323 | case 5: |
324 | // Save values |
324 | // Save values |
325 | if(Compass_CalState != OldCalState) // avoid continously writing of eeprom! |
325 | if(Compass_CalState != OldCalState) // avoid continously writing of eeprom! |
326 | { |
326 | { |
327 | Calibration.MagX.Range = Xmax - Xmin; |
327 | Calibration.MagX.Range = Xmax - Xmin; |
328 | Calibration.MagX.Offset = (Xmin + Xmax) / 2; |
328 | Calibration.MagX.Offset = (Xmin + Xmax) / 2; |
329 | Calibration.MagY.Range = Ymax - Ymin; |
329 | Calibration.MagY.Range = Ymax - Ymin; |
330 | Calibration.MagY.Offset = (Ymin + Ymax) / 2; |
330 | Calibration.MagY.Offset = (Ymin + Ymax) / 2; |
331 | Calibration.MagZ.Range = Zmax - Zmin; |
331 | Calibration.MagZ.Range = Zmax - Zmin; |
332 | Calibration.MagZ.Offset = (Zmin + Zmax) / 2; |
332 | Calibration.MagZ.Offset = (Zmin + Zmax) / 2; |
333 | if((Calibration.MagX.Range > 512) && (Calibration.MagY.Range > 512) && (Calibration.MagZ.Range > 512)) |
333 | if((Calibration.MagX.Range > 512) && (Calibration.MagY.Range > 512) && (Calibration.MagZ.Range > 512)) |
334 | { |
334 | { |
335 | NCMAG_IsCalibrated = NCMag_CalibrationWrite(); |
335 | NCMAG_IsCalibrated = NCMag_CalibrationWrite(); |
336 | } |
336 | } |
337 | else |
337 | else |
338 | { |
338 | { |
339 | // restore old calibration data from eeprom |
339 | // restore old calibration data from eeprom |
340 | NCMAG_IsCalibrated = NCMag_CalibrationRead(); |
340 | NCMAG_IsCalibrated = NCMag_CalibrationRead(); |
341 | } |
341 | } |
342 | } |
342 | } |
343 | break; |
343 | break; |
344 | 344 | ||
345 | default: |
345 | default: |
346 | break; |
346 | break; |
347 | } |
347 | } |
348 | OldCalState = Compass_CalState; |
348 | OldCalState = Compass_CalState; |
349 | } |
349 | } |
350 | 350 | ||
351 | // ---------- call back handlers ----------------------------------------- |
351 | // ---------- call back handlers ----------------------------------------- |
352 | 352 | ||
353 | // rx data handler for id info request |
353 | // rx data handler for id info request |
354 | void NCMAG_UpdateIdentification(u8* pRxBuffer, u8 RxBufferSize) |
354 | void NCMAG_UpdateIdentification(u8* pRxBuffer, u8 RxBufferSize) |
355 | { // if number of bytes are matching |
355 | { // if number of bytes are matching |
356 | if(RxBufferSize == sizeof(NCMAG_Identification) ) |
356 | if(RxBufferSize == sizeof(NCMAG_Identification) ) |
357 | { |
357 | { |
358 | memcpy((u8 *)&NCMAG_Identification, pRxBuffer, sizeof(NCMAG_Identification)); |
358 | memcpy((u8 *)&NCMAG_Identification, pRxBuffer, sizeof(NCMAG_Identification)); |
359 | } |
359 | } |
360 | } |
360 | } |
361 | // rx data handler for magnetic sensor raw data |
361 | // rx data handler for magnetic sensor raw data |
362 | void NCMAG_UpdateMagVector(u8* pRxBuffer, u8 RxBufferSize) |
362 | void NCMAG_UpdateMagVector(u8* pRxBuffer, u8 RxBufferSize) |
363 | { // if number of bytes are matching |
363 | { // if number of bytes are matching |
364 | if(RxBufferSize == sizeof(MagRawVector) ) |
364 | if(RxBufferSize == sizeof(MagRawVector) ) |
365 | { // byte order from big to little endian |
365 | { // byte order from big to little endian |
366 | s16 raw; |
366 | s16 raw; |
367 | raw = pRxBuffer[0]<<8; |
367 | raw = pRxBuffer[0]<<8; |
368 | raw+= pRxBuffer[1]; |
368 | raw+= pRxBuffer[1]; |
369 | if(raw >= NCMAG_MIN_RAWVALUE && raw <= NCMAG_MAX_RAWVALUE) MagRawVector.X = raw; |
369 | if(raw >= NCMAG_MIN_RAWVALUE && raw <= NCMAG_MAX_RAWVALUE) MagRawVector.X = raw; |
370 | raw = pRxBuffer[2]<<8; |
370 | raw = pRxBuffer[2]<<8; |
371 | raw+= pRxBuffer[3]; |
371 | raw+= pRxBuffer[3]; |
372 | if(raw >= NCMAG_MIN_RAWVALUE && raw <= NCMAG_MAX_RAWVALUE) MagRawVector.Y = raw; |
372 | if(raw >= NCMAG_MIN_RAWVALUE && raw <= NCMAG_MAX_RAWVALUE) MagRawVector.Y = raw; |
373 | raw = pRxBuffer[4]<<8; |
373 | raw = pRxBuffer[4]<<8; |
374 | raw+= pRxBuffer[5]; |
374 | raw+= pRxBuffer[5]; |
375 | if(raw >= NCMAG_MIN_RAWVALUE && raw <= NCMAG_MAX_RAWVALUE) MagRawVector.Z = raw; |
375 | if(raw >= NCMAG_MIN_RAWVALUE && raw <= NCMAG_MAX_RAWVALUE) MagRawVector.Z = raw; |
376 | } |
376 | } |
377 | if(Compass_CalState || !NCMAG_IsCalibrated) |
377 | if(Compass_CalState || !NCMAG_IsCalibrated) |
378 | { // direct output the raw data |
378 | { // direct output the raw data |
379 | memcpy((u8*)&MagVector,(u8*)&MagRawVector, sizeof(MagVector)); |
379 | memcpy((u8*)&MagVector,(u8*)&MagRawVector, sizeof(MagVector)); |
380 | Compass_Heading = -1; |
380 | Compass_Heading = -1; |
381 | } |
381 | } |
382 | else |
382 | else |
383 | { |
383 | { |
384 | // update MagVector from MagRaw Vector by Scaling |
384 | // update MagVector from MagRaw Vector by Scaling |
385 | MagVector.X = (s16)((1024L*(s32)(MagRawVector.X - Calibration.MagX.Offset))/Calibration.MagX.Range); |
385 | MagVector.X = (s16)((1024L*(s32)(MagRawVector.X - Calibration.MagX.Offset))/Calibration.MagX.Range); |
386 | MagVector.Y = (s16)((1024L*(s32)(MagRawVector.Y - Calibration.MagY.Offset))/Calibration.MagY.Range); |
386 | MagVector.Y = (s16)((1024L*(s32)(MagRawVector.Y - Calibration.MagY.Offset))/Calibration.MagY.Range); |
387 | MagVector.Z = (s16)((1024L*(s32)(MagRawVector.Z - Calibration.MagZ.Offset))/Calibration.MagZ.Range); |
387 | MagVector.Z = (s16)((1024L*(s32)(MagRawVector.Z - Calibration.MagZ.Offset))/Calibration.MagZ.Range); |
388 | 388 | ||
389 | if(UART_VersionInfo.HardwareError[0] & NC_ERROR0_SPI_RX) |
389 | if(UART_VersionInfo.HardwareError[0] & NC_ERROR0_SPI_RX) |
390 | { |
390 | { |
391 | Compass_Heading = -1; |
391 | Compass_Heading = -1; |
392 | } |
392 | } |
393 | else // fc attitude is avialable |
393 | else // fc attitude is avialable |
394 | { |
394 | { |
395 | // calculate attitude correction |
395 | // calculate attitude correction |
396 | // a float implementation takes too long for an ISR call! |
396 | // a float implementation takes too long for an ISR call! |
397 | s16 tmp, Hx, Hy; |
397 | s16 tmp, Hx, Hy; |
398 | s32 sinnick, cosnick, sinroll, cosroll; |
398 | s32 sinnick, cosnick, sinroll, cosroll; |
399 | 399 | ||
400 | tmp = FromFlightCtrl.AngleNick/10; // in deg |
400 | tmp = FromFlightCtrl.AngleNick/10; // in deg |
401 | sinnick = (s32)c_sin_8192(tmp); |
401 | sinnick = (s32)c_sin_8192(tmp); |
402 | cosnick = (s32)c_cos_8192(tmp); |
402 | cosnick = (s32)c_cos_8192(tmp); |
403 | tmp = FromFlightCtrl.AngleRoll/10; // in deg |
403 | tmp = FromFlightCtrl.AngleRoll/10; // in deg |
404 | sinroll = (s32)c_sin_8192(tmp); |
404 | sinroll = (s32)c_sin_8192(tmp); |
405 | cosroll = (s32)c_cos_8192(tmp); |
405 | cosroll = (s32)c_cos_8192(tmp); |
406 | // tbd. compensation signs and oriantation has to be fixed |
406 | // tbd. compensation signs and oriantation has to be fixed |
407 | Hx = (s16)((MagVector.Y * cosnick + MagVector.Z * sinnick)/8192L); |
407 | Hx = (s16)((MagVector.Y * cosnick + MagVector.Z * sinnick)/8192L); |
408 | Hy = (s16)((MagVector.X * cosroll - MagVector.Z * sinroll)/8192L); |
408 | Hy = (s16)((MagVector.X * cosroll - MagVector.Z * sinroll)/8192L); |
409 | // calculate heading |
409 | // calculate heading |
410 | tmp = (s16)(c_tan2_546(Hy, Hx)/546L); |
410 | tmp = (s16)(c_tan2_546(Hy, Hx)/546L); |
411 | if (tmp > 0) tmp = 360 - tmp; |
411 | if (tmp > 0) tmp = 360 - tmp; |
412 | else tmp = -tmp; |
412 | else tmp = -tmp; |
413 | Compass_Heading = tmp; |
413 | Compass_Heading = tmp; |
414 | } |
414 | } |
415 | } |
415 | } |
416 | } |
416 | } |
417 | // rx data handler for acceleration raw data |
417 | // rx data handler for acceleration raw data |
418 | void NCMAG_UpdateAccVector(u8* pRxBuffer, u8 RxBufferSize) |
418 | void NCMAG_UpdateAccVector(u8* pRxBuffer, u8 RxBufferSize) |
419 | { // if number of byte are matching |
419 | { // if number of byte are matching |
420 | if(RxBufferSize == sizeof(AccRawVector) ) |
420 | if(RxBufferSize == sizeof(AccRawVector) ) |
421 | { |
421 | { |
422 | memcpy((u8*)&AccRawVector, pRxBuffer,sizeof(AccRawVector)); |
422 | memcpy((u8*)&AccRawVector, pRxBuffer,sizeof(AccRawVector)); |
423 | } |
423 | } |
424 | } |
424 | } |
425 | // rx data handler for reading magnetic sensor configuration |
425 | // rx data handler for reading magnetic sensor configuration |
426 | void NCMAG_UpdateMagConfig(u8* pRxBuffer, u8 RxBufferSize) |
426 | void NCMAG_UpdateMagConfig(u8* pRxBuffer, u8 RxBufferSize) |
427 | { // if number of byte are matching |
427 | { // if number of byte are matching |
428 | if(RxBufferSize == sizeof(MagConfig) ) |
428 | if(RxBufferSize == sizeof(MagConfig) ) |
429 | { |
429 | { |
430 | memcpy((u8*)(&MagConfig), pRxBuffer, sizeof(MagConfig)); |
430 | memcpy((u8*)(&MagConfig), pRxBuffer, sizeof(MagConfig)); |
431 | } |
431 | } |
432 | } |
432 | } |
433 | // rx data handler for reading acceleration sensor configuration |
433 | // rx data handler for reading acceleration sensor configuration |
434 | void NCMAG_UpdateAccConfig(u8* pRxBuffer, u8 RxBufferSize) |
434 | void NCMAG_UpdateAccConfig(u8* pRxBuffer, u8 RxBufferSize) |
435 | { // if number of byte are matching |
435 | { // if number of byte are matching |
436 | if(RxBufferSize == sizeof(AccConfig) ) |
436 | if(RxBufferSize == sizeof(AccConfig) ) |
437 | { |
437 | { |
438 | memcpy((u8*)&AccConfig, pRxBuffer, sizeof(AccConfig)); |
438 | memcpy((u8*)&AccConfig, pRxBuffer, sizeof(AccConfig)); |
439 | } |
439 | } |
440 | } |
440 | } |
441 | //---------------------------------------------------------------------- |
441 | //---------------------------------------------------------------------- |
442 | 442 | ||
443 | 443 | ||
444 | // --------------------------------------------------------------------- |
444 | // --------------------------------------------------------------------- |
445 | u8 NCMAG_SetMagConfig(void) |
445 | u8 NCMAG_SetMagConfig(void) |
446 | { |
446 | { |
447 | u8 retval = 0; |
447 | u8 retval = 0; |
448 | // try to catch the i2c buffer within 100 ms timeout |
448 | // try to catch the i2c buffer within 100 ms timeout |
449 | if(I2C_LockBuffer(100)) |
449 | if(I2C_LockBuffer(100)) |
450 | { |
450 | { |
451 | u8 TxBytes = 0; |
451 | u8 TxBytes = 0; |
452 | I2C_Buffer[TxBytes++] = REG_MAG_CRA; |
452 | I2C_Buffer[TxBytes++] = REG_MAG_CRA; |
453 | memcpy((u8*)(&I2C_Buffer[TxBytes]), (u8*)&MagConfig, sizeof(MagConfig)); |
453 | memcpy((u8*)(&I2C_Buffer[TxBytes]), (u8*)&MagConfig, sizeof(MagConfig)); |
454 | TxBytes += sizeof(MagConfig); |
454 | TxBytes += sizeof(MagConfig); |
455 | if(I2C_Transmission(MAG_SLAVE_ADDRESS, TxBytes, 0, 0)) |
455 | if(I2C_Transmission(MAG_SLAVE_ADDRESS, TxBytes, 0, 0)) |
456 | { |
456 | { |
457 | if(I2C_WaitForEndOfTransmission(100)) |
457 | if(I2C_WaitForEndOfTransmission(100)) |
458 | { |
458 | { |
459 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
459 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
460 | } |
460 | } |
461 | } |
461 | } |
462 | } |
462 | } |
463 | return(retval); |
463 | return(retval); |
464 | } |
464 | } |
465 | 465 | ||
466 | // ---------------------------------------------------------------------------------------- |
466 | // ---------------------------------------------------------------------------------------- |
467 | u8 NCMAG_GetMagConfig(void) |
467 | u8 NCMAG_GetMagConfig(void) |
468 | { |
468 | { |
469 | u8 retval = 0; |
469 | u8 retval = 0; |
470 | // try to catch the i2c buffer within 100 ms timeout |
470 | // try to catch the i2c buffer within 100 ms timeout |
471 | if(I2C_LockBuffer(100)) |
471 | if(I2C_LockBuffer(100)) |
472 | { |
472 | { |
473 | u8 TxBytes = 0; |
473 | u8 TxBytes = 0; |
474 | I2C_Buffer[TxBytes++] = REG_MAG_CRA; |
474 | I2C_Buffer[TxBytes++] = REG_MAG_CRA; |
475 | if(I2C_Transmission(MAG_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateMagConfig, sizeof(MagConfig))) |
475 | if(I2C_Transmission(MAG_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateMagConfig, sizeof(MagConfig))) |
476 | { |
476 | { |
477 | if(I2C_WaitForEndOfTransmission(100)) |
477 | if(I2C_WaitForEndOfTransmission(100)) |
478 | { |
478 | { |
479 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
479 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
480 | } |
480 | } |
481 | } |
481 | } |
482 | } |
482 | } |
483 | return(retval); |
483 | return(retval); |
484 | } |
484 | } |
485 | 485 | ||
486 | // ---------------------------------------------------------------------------------------- |
486 | // ---------------------------------------------------------------------------------------- |
487 | u8 NCMAG_SetAccConfig(void) |
487 | u8 NCMAG_SetAccConfig(void) |
488 | { |
488 | { |
489 | u8 retval = 0; |
489 | u8 retval = 0; |
490 | // try to catch the i2c buffer within 100 ms timeout |
490 | // try to catch the i2c buffer within 100 ms timeout |
491 | if(I2C_LockBuffer(100)) |
491 | if(I2C_LockBuffer(100)) |
492 | { |
492 | { |
493 | u8 TxBytes = 0; |
493 | u8 TxBytes = 0; |
494 | I2C_Buffer[TxBytes++] = REG_ACC_CTRL1; |
494 | I2C_Buffer[TxBytes++] = REG_ACC_CTRL1; |
495 | memcpy((u8*)(&I2C_Buffer[TxBytes]), (u8*)&AccConfig, sizeof(AccConfig)); |
495 | memcpy((u8*)(&I2C_Buffer[TxBytes]), (u8*)&AccConfig, sizeof(AccConfig)); |
496 | TxBytes += sizeof(AccConfig); |
496 | TxBytes += sizeof(AccConfig); |
497 | if(I2C_Transmission(ACC_SLAVE_ADDRESS, TxBytes, 0, 0)) |
497 | if(I2C_Transmission(ACC_SLAVE_ADDRESS, TxBytes, 0, 0)) |
498 | { |
498 | { |
499 | if(I2C_WaitForEndOfTransmission(100)) |
499 | if(I2C_WaitForEndOfTransmission(100)) |
500 | { |
500 | { |
501 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
501 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
502 | } |
502 | } |
503 | } |
503 | } |
504 | } |
504 | } |
505 | return(retval); |
505 | return(retval); |
506 | } |
506 | } |
507 | 507 | ||
508 | // ---------------------------------------------------------------------------------------- |
508 | // ---------------------------------------------------------------------------------------- |
509 | u8 NCMAG_GetAccConfig(void) |
509 | u8 NCMAG_GetAccConfig(void) |
510 | { |
510 | { |
511 | u8 retval = 0; |
511 | u8 retval = 0; |
512 | // try to catch the i2c buffer within 100 ms timeout |
512 | // try to catch the i2c buffer within 100 ms timeout |
513 | if(I2C_LockBuffer(100)) |
513 | if(I2C_LockBuffer(100)) |
514 | { |
514 | { |
515 | u8 TxBytes = 0; |
515 | u8 TxBytes = 0; |
516 | I2C_Buffer[TxBytes++] = REG_ACC_CTRL1; |
516 | I2C_Buffer[TxBytes++] = REG_ACC_CTRL1; |
517 | if(I2C_Transmission(ACC_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateAccConfig, sizeof(AccConfig))) |
517 | if(I2C_Transmission(ACC_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateAccConfig, sizeof(AccConfig))) |
518 | { |
518 | { |
519 | if(I2C_WaitForEndOfTransmission(100)) |
519 | if(I2C_WaitForEndOfTransmission(100)) |
520 | { |
520 | { |
521 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
521 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
522 | } |
522 | } |
523 | } |
523 | } |
524 | } |
524 | } |
525 | return(retval); |
525 | return(retval); |
526 | } |
526 | } |
527 | 527 | ||
528 | // ---------------------------------------------------------------------------------------- |
528 | // ---------------------------------------------------------------------------------------- |
529 | u8 NCMAG_GetIdentification(void) |
529 | u8 NCMAG_GetIdentification(void) |
530 | { |
530 | { |
531 | u8 retval = 0; |
531 | u8 retval = 0; |
532 | // try to catch the i2c buffer within 100 ms timeout |
532 | // try to catch the i2c buffer within 100 ms timeout |
533 | if(I2C_LockBuffer(100)) |
533 | if(I2C_LockBuffer(100)) |
534 | { |
534 | { |
535 | u16 TxBytes = 0; |
535 | u16 TxBytes = 0; |
536 | NCMAG_Identification.A = 0xFF; |
536 | NCMAG_Identification.A = 0xFF; |
537 | NCMAG_Identification.B = 0xFF; |
537 | NCMAG_Identification.B = 0xFF; |
538 | NCMAG_Identification.C = 0xFF; |
538 | NCMAG_Identification.C = 0xFF; |
539 | I2C_Buffer[TxBytes++] = REG_MAG_IDA; |
539 | I2C_Buffer[TxBytes++] = REG_MAG_IDA; |
540 | // initiate transmission |
540 | // initiate transmission |
541 | if(I2C_Transmission(MAG_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateIdentification, sizeof(NCMAG_Identification))) |
541 | if(I2C_Transmission(MAG_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateIdentification, sizeof(NCMAG_Identification))) |
542 | { |
542 | { |
543 | if(I2C_WaitForEndOfTransmission(100)) |
543 | if(I2C_WaitForEndOfTransmission(100)) |
544 | { |
544 | { |
545 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
545 | if(I2C_Error == I2C_ERROR_NONE) retval = 1; |
546 | } |
546 | } |
547 | } |
547 | } |
548 | } |
548 | } |
549 | return(retval); |
549 | return(retval); |
550 | } |
550 | } |
551 | 551 | ||
552 | // ---------------------------------------------------------------------------------------- |
552 | // ---------------------------------------------------------------------------------------- |
553 | void NCMAG_GetMagVector(void) |
553 | void NCMAG_GetMagVector(void) |
554 | { |
554 | { |
555 | // try to catch the I2C buffer within 0 ms |
555 | // try to catch the I2C buffer within 0 ms |
556 | if(I2C_LockBuffer(0)) |
556 | if(I2C_LockBuffer(0)) |
557 | { |
557 | { |
558 | u16 TxBytes = 0; |
558 | u16 TxBytes = 0; |
559 | // set register pointer |
559 | // set register pointer |
560 | I2C_Buffer[TxBytes++] = REG_MAG_DATAX_MSB; |
560 | I2C_Buffer[TxBytes++] = REG_MAG_DATAX_MSB; |
561 | // initiate transmission |
561 | // initiate transmission |
562 | I2C_Transmission(MAG_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateMagVector, sizeof(MagVector)); |
562 | I2C_Transmission(MAG_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateMagVector, sizeof(MagVector)); |
563 | } |
563 | } |
564 | } |
564 | } |
565 | 565 | ||
566 | //---------------------------------------------------------------- |
566 | //---------------------------------------------------------------- |
567 | void NCMAG_GetAccVector(void) |
567 | void NCMAG_GetAccVector(void) |
568 | { |
568 | { |
569 | // try to catch the I2C buffer within 0 ms |
569 | // try to catch the I2C buffer within 0 ms |
570 | if(I2C_LockBuffer(0)) |
570 | if(I2C_LockBuffer(0)) |
571 | { |
571 | { |
572 | u16 TxBytes = 0; |
572 | u16 TxBytes = 0; |
573 | // set register pointer |
573 | // set register pointer |
574 | I2C_Buffer[TxBytes++] = REG_ACC_X_LSB; |
574 | I2C_Buffer[TxBytes++] = REG_ACC_X_LSB; |
575 | // initiate transmission |
575 | // initiate transmission |
576 | I2C_Transmission(ACC_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateAccVector, sizeof(AccRawVector)); |
576 | I2C_Transmission(ACC_SLAVE_ADDRESS, TxBytes, &NCMAG_UpdateAccVector, sizeof(AccRawVector)); |
577 | } |
577 | } |
578 | } |
578 | } |
579 | 579 | ||
580 | // -------------------------------------------------------- |
580 | // -------------------------------------------------------- |
581 | void NCMAG_UpdateCompass(void) |
581 | void NCMAG_UpdateCompass(void) |
582 | { |
582 | { |
583 | static u32 TimerCompassUpdate = 0; |
583 | static u32 TimerCompassUpdate = 0; |
584 | 584 | ||
585 | if( (I2C_State == I2C_STATE_OFF) || !NCMAG_Present ) |
585 | if( (I2C_State == I2C_STATE_OFF) || !NCMAG_Present ) |
586 | { |
586 | { |
587 | Compass_Heading = -1; |
587 | Compass_Heading = -1; |
588 | return; |
588 | return; |
589 | } |
589 | } |
590 | 590 | ||
591 | if(CheckDelay(TimerCompassUpdate)) |
591 | if(CheckDelay(TimerCompassUpdate)) |
592 | { |
592 | { |
593 | // check for new calibration state |
593 | // check for new calibration state |
594 | Compass_UpdateCalState(); |
594 | Compass_UpdateCalState(); |
595 | if(Compass_CalState) NCMAG_Calibrate(); |
595 | if(Compass_CalState) NCMAG_Calibrate(); |
596 | NCMAG_GetMagVector(); //Get new data; |
596 | NCMAG_GetMagVector(); //Get new data; |
597 | TimerCompassUpdate = SetDelay(20); // every 20 ms are 50 Hz |
597 | TimerCompassUpdate = SetDelay(20); // every 20 ms are 50 Hz |
598 | } |
598 | } |
599 | } |
599 | } |
600 | 600 | ||
601 | // -------------------------------------------------------- |
601 | // -------------------------------------------------------- |
602 | u8 NCMAG_SelfTest(void) |
602 | u8 NCMAG_SelfTest(void) |
603 | { |
603 | { |
604 | #define LIMITS(value, min, max) {min = (90 * value)/100; max = (110 * value)/100;} |
604 | #define LIMITS(value, min, max) {min = (90 * value)/100; max = (110 * value)/100;} |
605 | u32 time; |
605 | u32 time; |
606 | s32 XMin = 0, XMax = 0, YMin = 0, YMax = 0, ZMin = 0, ZMax = 0; |
606 | s32 XMin = 0, XMax = 0, YMin = 0, YMax = 0, ZMin = 0, ZMax = 0; |
607 | s16 xscale, yscale, zscale, scale_min, scale_max; |
607 | s16 xscale, yscale, zscale, scale_min, scale_max; |
608 | u8 crb_gain, cra_rate; |
608 | u8 crb_gain, cra_rate; |
609 | u8 i = 0, retval = 1; |
609 | u8 i = 0, retval = 1; |
610 | 610 | ||
611 | switch(NCMAG_MagType) |
611 | switch(NCMAG_MagType) |
612 | { |
612 | { |
613 | case MAG_TYPE_HMC5843: |
613 | case MAG_TYPE_HMC5843: |
614 | crb_gain = HMC5843_CRB_GAIN_10GA; |
614 | crb_gain = HMC5843_CRB_GAIN_10GA; |
615 | cra_rate = HMC5843_CRA_RATE_50HZ; |
615 | cra_rate = HMC5843_CRA_RATE_50HZ; |
616 | xscale = HMC5843_TEST_XSCALE; |
616 | xscale = HMC5843_TEST_XSCALE; |
617 | yscale = HMC5843_TEST_YSCALE; |
617 | yscale = HMC5843_TEST_YSCALE; |
618 | zscale = HMC5843_TEST_ZSCALE; |
618 | zscale = HMC5843_TEST_ZSCALE; |
619 | break; |
619 | break; |
620 | 620 | ||
621 | case MAG_TYPE_LSM303DLH: |
621 | case MAG_TYPE_LSM303DLH: |
622 | crb_gain = LSM303DLH_CRB_GAIN_13GA; |
622 | crb_gain = LSM303DLH_CRB_GAIN_13GA; |
623 | cra_rate = LSM303DLH_CRA_RATE_75HZ; |
623 | cra_rate = LSM303DLH_CRA_RATE_75HZ; |
624 | xscale = LSM303DLH_TEST_XSCALE; |
624 | xscale = LSM303DLH_TEST_XSCALE; |
625 | yscale = LSM303DLH_TEST_YSCALE; |
625 | yscale = LSM303DLH_TEST_YSCALE; |
626 | zscale = LSM303DLH_TEST_ZSCALE; |
626 | zscale = LSM303DLH_TEST_ZSCALE; |
627 | break; |
627 | break; |
628 | 628 | ||
629 | default: |
629 | default: |
630 | return(0); |
630 | return(0); |
631 | } |
631 | } |
632 | 632 | ||
633 | MagConfig.cra = cra_rate|CRA_MODE_POSBIAS; |
633 | MagConfig.cra = cra_rate|CRA_MODE_POSBIAS; |
634 | MagConfig.crb = crb_gain; |
634 | MagConfig.crb = crb_gain; |
635 | MagConfig.mode = MODE_CONTINUOUS; |
635 | MagConfig.mode = MODE_CONTINUOUS; |
636 | // activate positive bias field |
636 | // activate positive bias field |
637 | NCMAG_SetMagConfig(); |
637 | NCMAG_SetMagConfig(); |
638 | // wait for stable readings |
638 | // wait for stable readings |
639 | time = SetDelay(50); |
639 | time = SetDelay(50); |
640 | while(!CheckDelay(time)); |
640 | while(!CheckDelay(time)); |
641 | // averaging |
641 | // averaging |
642 | #define AVERAGE 20 |
642 | #define AVERAGE 20 |
643 | for(i = 0; i<AVERAGE; i++) |
643 | for(i = 0; i<AVERAGE; i++) |
644 | { |
644 | { |
645 | NCMAG_GetMagVector(); |
645 | NCMAG_GetMagVector(); |
646 | time = SetDelay(20); |
646 | time = SetDelay(20); |
647 | while(!CheckDelay(time)); |
647 | while(!CheckDelay(time)); |
648 | XMax += MagRawVector.X; |
648 | XMax += MagRawVector.X; |
649 | YMax += MagRawVector.Y; |
649 | YMax += MagRawVector.Y; |
650 | ZMax += MagRawVector.Z; |
650 | ZMax += MagRawVector.Z; |
651 | } |
651 | } |
652 | MagConfig.cra = cra_rate|CRA_MODE_NEGBIAS; |
652 | MagConfig.cra = cra_rate|CRA_MODE_NEGBIAS; |
653 | // activate positive bias field |
653 | // activate positive bias field |
654 | NCMAG_SetMagConfig(); |
654 | NCMAG_SetMagConfig(); |
655 | // wait for stable readings |
655 | // wait for stable readings |
656 | time = SetDelay(50); |
656 | time = SetDelay(50); |
657 | while(!CheckDelay(time)); |
657 | while(!CheckDelay(time)); |
658 | // averaging |
658 | // averaging |
659 | for(i = 0; i < AVERAGE; i++) |
659 | for(i = 0; i < AVERAGE; i++) |
660 | { |
660 | { |
661 | NCMAG_GetMagVector(); |
661 | NCMAG_GetMagVector(); |
662 | time = SetDelay(20); |
662 | time = SetDelay(20); |
663 | while(!CheckDelay(time)); |
663 | while(!CheckDelay(time)); |
664 | XMin += MagRawVector.X; |
664 | XMin += MagRawVector.X; |
665 | YMin += MagRawVector.Y; |
665 | YMin += MagRawVector.Y; |
666 | ZMin += MagRawVector.Z; |
666 | ZMin += MagRawVector.Z; |
667 | } |
667 | } |
668 | // setup final configuration |
668 | // setup final configuration |
669 | MagConfig.cra = cra_rate|CRA_MODE_NORMAL; |
669 | MagConfig.cra = cra_rate|CRA_MODE_NORMAL; |
670 | // activate positive bias field |
670 | // activate positive bias field |
671 | NCMAG_SetMagConfig(); |
671 | NCMAG_SetMagConfig(); |
672 | // prepare scale limits |
672 | // prepare scale limits |
673 | LIMITS(xscale, scale_min, scale_max); |
673 | LIMITS(xscale, scale_min, scale_max); |
674 | // check scale for all axes |
674 | // check scale for all axes |
675 | xscale = (XMax - XMin)/(2*AVERAGE); |
675 | xscale = (XMax - XMin)/(2*AVERAGE); |
676 | if((xscale > scale_max) || (xscale < scale_min)) retval = 0; |
676 | if((xscale > scale_max) || (xscale < scale_min)) retval = 0; |
677 | LIMITS(yscale, scale_min, scale_max); |
677 | LIMITS(yscale, scale_min, scale_max); |
678 | yscale = (YMax - YMin)/(2*AVERAGE); |
678 | yscale = (YMax - YMin)/(2*AVERAGE); |
679 | if((yscale > scale_max) || (yscale < scale_min)) retval = 0; |
679 | if((yscale > scale_max) || (yscale < scale_min)) retval = 0; |
680 | LIMITS(zscale, scale_min, scale_max); |
680 | LIMITS(zscale, scale_min, scale_max); |
681 | zscale = (ZMax - ZMin)/(2*AVERAGE); |
681 | zscale = (ZMax - ZMin)/(2*AVERAGE); |
682 | if((zscale > scale_max) || (zscale < scale_min)) retval = 0; |
682 | if((zscale > scale_max) || (zscale < scale_min)) retval = 0; |
683 | return(retval); |
683 | return(retval); |
684 | } |
684 | } |
685 | 685 | ||
686 | 686 | ||
687 | //---------------------------------------------------------------- |
687 | //---------------------------------------------------------------- |
688 | u8 NCMAG_Init(void) |
688 | u8 NCMAG_Init(void) |
689 | { |
689 | { |
690 | u8 msg[64]; |
690 | u8 msg[64]; |
691 | u8 retval = 0; |
691 | u8 retval = 0; |
692 | u8 repeat; |
692 | u8 repeat; |
693 | 693 | ||
694 | NCMAG_Present = 0; |
694 | NCMAG_Present = 0; |
695 | NCMAG_MagType = MAG_TYPE_HMC5843; // assuming having an HMC5843 |
695 | NCMAG_MagType = MAG_TYPE_HMC5843; // assuming having an HMC5843 |
696 | // polling for LSM302DLH option |
696 | // polling for LSM302DLH option |
697 | repeat = 0; |
697 | repeat = 0; |
698 | do |
698 | do |
699 | { |
699 | { |
700 | retval = NCMAG_GetAccConfig(); |
700 | retval = NCMAG_GetAccConfig(); |
701 | if(retval) break; // break loop on success |
701 | if(retval) break; // break loop on success |
702 | UART1_PutString("."); |
702 | UART1_PutString("."); |
703 | repeat++; |
703 | repeat++; |
704 | }while(repeat < 3); |
704 | }while(repeat < 3); |
705 | if(retval) NCMAG_MagType = MAG_TYPE_LSM303DLH; // must be a LSM303DLH |
705 | if(retval) NCMAG_MagType = MAG_TYPE_LSM303DLH; // must be a LSM303DLH |
706 | // polling of identification |
706 | // polling of identification |
707 | repeat = 0; |
707 | repeat = 0; |
708 | do |
708 | do |
709 | { |
709 | { |
710 | retval = NCMAG_GetIdentification(); |
710 | retval = NCMAG_GetIdentification(); |
711 | if(retval) break; // break loop on success |
711 | if(retval) break; // break loop on success |
712 | UART1_PutString("."); |
712 | UART1_PutString("."); |
713 | repeat++; |
713 | repeat++; |
714 | }while(repeat < 12); |
714 | }while(repeat < 12); |
715 | // if we got an answer to id request |
715 | // if we got an answer to id request |
716 | if(retval) |
716 | if(retval) |
717 | { |
717 | { |
718 | u8 n1[] = "HMC5843"; |
718 | u8 n1[] = "HMC5843"; |
719 | u8 n2[] = "LSM303DLH"; |
719 | u8 n2[] = "LSM303DLH"; |
720 | u8* pn; |
720 | u8* pn; |
721 | if(NCMAG_MagType == MAG_TYPE_LSM303DLH) pn = n2; |
721 | if(NCMAG_MagType == MAG_TYPE_LSM303DLH) pn = n2; |
722 | else pn = n1; |
722 | else pn = n1; |
723 | sprintf(msg, " %s ID%d/%d/%d", pn, NCMAG_Identification.A, NCMAG_Identification.B, NCMAG_Identification.C); |
723 | sprintf(msg, " %s ID%d/%d/%d", pn, NCMAG_Identification.A, NCMAG_Identification.B, NCMAG_Identification.C); |
724 | UART1_PutString(msg); |
724 | UART1_PutString(msg); |
725 | if ( (NCMAG_Identification.A == MAG_IDA) |
725 | if ( (NCMAG_Identification.A == MAG_IDA) |
726 | && (NCMAG_Identification.B == MAG_IDB) |
726 | && (NCMAG_Identification.B == MAG_IDB) |
727 | && (NCMAG_Identification.C == MAG_IDC)) |
727 | && (NCMAG_Identification.C == MAG_IDC)) |
728 | { |
728 | { |
729 | if(!NCMAG_SelfTest()) |
729 | if(!NCMAG_SelfTest()) |
730 | { |
730 | { |
731 | UART1_PutString(" Selftest failed!"); |
731 | UART1_PutString(" Selftest failed!"); |
732 | LED_RED_ON; |
732 | LED_RED_ON; |
733 | } |
733 | } |
734 | else |
734 | else |
735 | { |
735 | { |
736 | NCMAG_Present = 1; |
736 | NCMAG_Present = 1; |
- | 737 | if(EEPROM_Init()) |
|
- | 738 | { |
|
737 | NCMAG_IsCalibrated = NCMag_CalibrationRead(); |
739 | NCMAG_IsCalibrated = NCMag_CalibrationRead(); |
738 | if(!NCMAG_IsCalibrated) UART1_PutString("\r\n Not calibrated!"); |
740 | if(!NCMAG_IsCalibrated) UART1_PutString("\r\n Not calibrated!"); |
- | 741 | } |
|
- | 742 | else UART1_PutString("\r\n Calibration data not available!"); |
|
739 | } |
743 | } |
740 | } |
744 | } |
741 | else |
745 | else |
742 | { |
746 | { |
743 | UART1_PutString("\n\r Not compatible!"); |
747 | UART1_PutString("\n\r Not compatible!"); |
744 | UART_VersionInfo.HardwareError[0] |= NC_ERROR0_COMPASS_INCOMPATIBLE; |
748 | UART_VersionInfo.HardwareError[0] |= NC_ERROR0_COMPASS_INCOMPATIBLE; |
745 | LED_RED_ON; |
749 | LED_RED_ON; |
746 | } |
750 | } |
747 | } |
751 | } |
748 | else // nothing found |
752 | else // nothing found |
749 | { |
753 | { |
750 | NCMAG_MagType = MAG_TYPE_NONE; |
754 | NCMAG_MagType = MAG_TYPE_NONE; |
751 | UART1_PutString("not found!"); |
755 | UART1_PutString("not found!"); |
752 | } |
756 | } |
753 | return(NCMAG_Present); |
757 | return(NCMAG_Present); |
754 | } |
758 | } |
755 | 759 | ||
756 | 760 |