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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) 2008 Ingo Busker, Holger Buss |
5 | // + Copyright (c) 2008 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 "91x_lib.h" |
57 | #include "91x_lib.h" |
58 | #include "timer2.h" |
58 | #include "timer2.h" |
59 | #include "uart1.h" |
59 | #include "uart1.h" |
60 | #include "spi_slave.h" |
60 | #include "spi_slave.h" |
61 | #include "config.h" |
61 | #include "config.h" |
62 | 62 | ||
63 | #define CR1_OLVL1_MASK 0x0100 |
63 | #define CR1_OLVL1_MASK 0x0100 |
64 | #define CR1_OLVL2_MASK 0x0200 |
64 | #define CR1_OLVL2_MASK 0x0200 |
65 | 65 | ||
66 | volatile ServoParams_t ServoParams; |
66 | volatile ServoParams_t ServoParams; |
67 | 67 | ||
68 | #define TIM2_FREQ 625000 // 625kHz, the same clock like at the FC |
68 | #define TIM2_FREQ 625000 // 625kHz, the same clock like at the FC |
69 | // frame len 22.5 ms = 14063 * 1.6 us |
69 | // frame len 22.5 ms = 14063 * 1.6 us |
70 | // stop pulse: 0.3 ms = 188 * 1.6 us |
70 | // stop pulse: 0.3 ms = 188 * 1.6 us |
71 | // min servo pulse: 0.6 ms = 375 * 1.6 us |
71 | // min servo pulse: 0.6 ms = 375 * 1.6 us |
72 | // max servo pulse: 2.4 ms = 1500 * 1.6 us |
72 | // max servo pulse: 2.4 ms = 1500 * 1.6 us |
73 | // resolution: 1500 - 375 = 1125 steps |
73 | // resolution: 1500 - 375 = 1125 steps |
74 | #define PPM_STOPPULSE 188 |
74 | #define PPM_STOPPULSE 188 |
75 | //#define PPM_FRAMELEN 14063 |
75 | //#define PPM_FRAMELEN 14063 |
76 | #define PPM_FRAMELEN (1757 * ServoParams.Refresh) // 22.5 ms / 8 Channels = 2.8125ms per Servo Channel |
76 | #define PPM_FRAMELEN (1757 * ServoParams.Refresh) // 22.5 ms / 8 Channels = 2.8125ms per Servo Channel |
77 | #define MINSERVOPULSE 375 |
77 | #define MINSERVOPULSE 375 |
78 | #define MAXSERVOPULSE 1500 |
78 | #define MAXSERVOPULSE 1500 |
79 | #define SERVORANGE (MAXSERVOPULSE - MINSERVOPULSE) |
79 | #define SERVORANGE (MAXSERVOPULSE - MINSERVOPULSE) |
80 | 80 | ||
81 | //---------------------------------------------------------------------------------------------------- |
81 | //---------------------------------------------------------------------------------------------------- |
82 | void TIM2_IRQHandler(void) |
82 | void TIM2_IRQHandler(void) |
83 | { |
83 | { |
84 | #define MULTIPLYER 4 |
84 | #define MULTIPLYER 4 |
85 | static s16 ServoNickOffset = (255 / 2) * MULTIPLYER; // initial value near center position |
85 | static s16 ServoNickOffset = (255 / 2) * MULTIPLYER; // initial value near center position |
86 | static s16 ServoRollOffset = (255 / 2) * MULTIPLYER; // initial value near center position |
86 | static s16 ServoRollOffset = (255 / 2) * MULTIPLYER; // initial value near center position |
87 | 87 | ||
88 | static u16 LowPulseTime1 = 14063; |
88 | static u16 LowPulseTime1 = 14063; |
89 | static u16 LowPulseTime2 = 14063; |
89 | static u16 LowPulseTime2 = 14063; |
90 | 90 | ||
91 | s16 ServoNickValue = 0; |
91 | s16 ServoNickValue = 0; |
92 | s16 ServoRollValue = 0; |
92 | s16 ServoRollValue = 0; |
93 | 93 | ||
94 | u16 pulselen; |
94 | u16 pulselen; |
95 | 95 | ||
96 | IENABLE; |
96 | IENABLE; |
97 | 97 | ||
98 | if(TIM_GetFlagStatus(TIM2, TIM_FLAG_OC1) == SET) |
98 | if(TIM_GetFlagStatus(TIM2, TIM_FLAG_OC1) == SET) |
99 | { |
99 | { |
100 | TIM_ClearFlag(TIM2, TIM_FLAG_OC1); // clear irq pending bit |
100 | TIM_ClearFlag(TIM2, TIM_FLAG_OC1); // clear irq pending bit |
101 | if (TIM2->CR1 & CR1_OLVL1_MASK) // start of high pulse |
101 | if (TIM2->CR1 & CR1_OLVL1_MASK) // start of high pulse |
102 | { |
102 | { |
103 | pulselen = MINSERVOPULSE + SERVORANGE/2; |
103 | pulselen = MINSERVOPULSE + SERVORANGE/2; |
104 | ServoNickOffset = (ServoNickOffset * 3 + (s16)ServoParams.NickControl * MULTIPLYER) / 4; // lowpass offset |
104 | ServoNickOffset = (ServoNickOffset * 3 + (s16)ServoParams.NickControl * MULTIPLYER) / 4; // lowpass offset |
105 | ServoNickValue = ServoNickOffset; // offset (Range from 0 to 255 * 3 = 765) |
105 | ServoNickValue = ServoNickOffset; // offset (Range from 0 to 255 * 3 = 765) |
106 | if(ServoParams.CompInvert & 0x01) |
106 | if(ServoParams.CompInvert & 0x01) |
107 | { // inverting movement of servo FromFlightCtrl.AngleNick |
107 | { // inverting movement of servo FromFlightCtrl.AngleNick |
108 | ServoNickValue += (s16)( ( (s32)ServoParams.NickComp * MULTIPLYER * (FromFlightCtrl.AngleNick) ) / (256L) ); |
108 | ServoNickValue += (s16)( ( (s32)ServoParams.NickComp * MULTIPLYER * (FromFlightCtrl.AngleNick) ) / (256L) ); |
109 | } |
109 | } |
110 | else |
110 | else |
111 | { // non inverting movement of servo FromFlightCtrl.AngleNick |
111 | { // non inverting movement of servo FromFlightCtrl.AngleNick |
112 | ServoNickValue -= (s16)( ( (s32)ServoParams.NickComp * MULTIPLYER * (FromFlightCtrl.AngleNick) ) / (256L) ); |
112 | ServoNickValue -= (s16)( ( (s32)ServoParams.NickComp * MULTIPLYER * (FromFlightCtrl.AngleNick) ) / (256L) ); |
113 | } |
113 | } |
114 | // limit servo value to its parameter range definition |
114 | // limit servo value to its parameter range definition |
115 | if(ServoNickValue < ((s16)ServoParams.NickMin * MULTIPLYER) ) |
115 | if(ServoNickValue < ((s16)ServoParams.NickMin * MULTIPLYER) ) |
116 | { |
116 | { |
117 | ServoNickValue = (s16)ServoParams.NickMin * MULTIPLYER; |
117 | ServoNickValue = (s16)ServoParams.NickMin * MULTIPLYER; |
118 | } |
118 | } |
119 | else |
119 | else |
120 | if(ServoNickValue > ((s16)ServoParams.NickMax * MULTIPLYER) ) |
120 | if(ServoNickValue > ((s16)ServoParams.NickMax * MULTIPLYER) ) |
121 | { |
121 | { |
122 | ServoNickValue = (s16)ServoParams.NickMax * MULTIPLYER; |
122 | ServoNickValue = (s16)ServoParams.NickMax * MULTIPLYER; |
123 | } |
123 | } |
124 | 124 | ||
125 | pulselen += ServoNickValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
125 | pulselen += ServoNickValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
126 | DebugOut.Analog[7] = ServoNickValue / MULTIPLYER; |
126 | DebugOut.Analog[7] = ServoNickValue / MULTIPLYER; |
127 | LowPulseTime1 = PPM_FRAMELEN - pulselen; |
127 | LowPulseTime1 = PPM_FRAMELEN - pulselen; |
128 | TIM2->CR1 &= ~CR1_OLVL1_MASK; // make next a low pulse |
128 | TIM2->CR1 &= ~CR1_OLVL1_MASK; // make next a low pulse |
129 | } |
129 | } |
130 | else // start of low pulse |
130 | else // start of low pulse |
131 | { |
131 | { |
132 | pulselen = LowPulseTime1; |
132 | pulselen = LowPulseTime1; |
133 | TIM2->CR1 |= CR1_OLVL1_MASK; // make next a high pulse |
133 | TIM2->CR1 |= CR1_OLVL1_MASK; // make next a high pulse |
134 | } |
134 | } |
135 | TIM2->OC1R += pulselen; |
135 | TIM2->OC1R += pulselen; |
136 | } |
136 | } |
137 | 137 | ||
138 | if(TIM_GetFlagStatus(TIM2, TIM_FLAG_OC2) == SET) |
138 | if(TIM_GetFlagStatus(TIM2, TIM_FLAG_OC2) == SET) |
139 | { |
139 | { |
140 | TIM_ClearFlag(TIM2, TIM_FLAG_OC2); // clear irq pending bit |
140 | TIM_ClearFlag(TIM2, TIM_FLAG_OC2); // clear irq pending bit |
141 | if (TIM2->CR1 & CR1_OLVL2_MASK) // was high pulse |
141 | if (TIM2->CR1 & CR1_OLVL2_MASK) // was high pulse |
142 | { |
142 | { |
143 | pulselen = MINSERVOPULSE + SERVORANGE/2; |
143 | pulselen = MINSERVOPULSE + SERVORANGE/2; |
144 | ServoRollOffset = (ServoRollOffset * 3 + (s16)ServoParams.RollControl * MULTIPLYER) / 4; // lowpass offset |
144 | ServoRollOffset = (ServoRollOffset * 3 + (s16)ServoParams.RollControl * MULTIPLYER) / 4; // lowpass offset |
145 | ServoRollValue = ServoRollOffset; // offset (Range from 0 to 255 * 3 = 765) |
145 | ServoRollValue = ServoRollOffset; // offset (Range from 0 to 255 * 3 = 765) |
146 | if(ServoParams.CompInvert & 0x02) |
146 | if(ServoParams.CompInvert & 0x02) |
147 | { // inverting movement of servo FromFlightCtrl.AngleRoll |
147 | { // inverting movement of servo FromFlightCtrl.AngleRoll |
148 | ServoRollValue += (s16)( ( (s32)ServoParams.RollComp * MULTIPLYER * (FromFlightCtrl.AngleRoll) ) / (256L) ); |
148 | ServoRollValue += (s16)( ( (s32)ServoParams.RollComp * MULTIPLYER * (FromFlightCtrl.AngleRoll) ) / (256L) ); |
149 | } |
149 | } |
150 | else |
150 | else |
151 | { // non inverting movement of servo FromFlightCtrl.AngleRoll |
151 | { // non inverting movement of servo FromFlightCtrl.AngleRoll |
152 | ServoRollValue -= (s16)( ( (s32)ServoParams.RollComp * MULTIPLYER * (FromFlightCtrl.AngleRoll) ) / (256L) ); |
152 | ServoRollValue -= (s16)( ( (s32)ServoParams.RollComp * MULTIPLYER * (FromFlightCtrl.AngleRoll) ) / (256L) ); |
153 | } |
153 | } |
154 | // limit servo value to its parameter range definition |
154 | // limit servo value to its parameter range definition |
155 | if(ServoRollValue < ((s16)ServoParams.RollMin * MULTIPLYER) ) |
155 | if(ServoRollValue < ((s16)ServoParams.RollMin * MULTIPLYER) ) |
156 | { |
156 | { |
157 | ServoRollValue = (s16)ServoParams.RollMin * MULTIPLYER; |
157 | ServoRollValue = (s16)ServoParams.RollMin * MULTIPLYER; |
158 | } |
158 | } |
159 | else |
159 | else |
160 | if(ServoRollValue > ((s16)ServoParams.RollMax * MULTIPLYER) ) |
160 | if(ServoRollValue > ((s16)ServoParams.RollMax * MULTIPLYER) ) |
161 | { |
161 | { |
162 | ServoRollValue = (s16)ServoParams.RollMax * MULTIPLYER; |
162 | ServoRollValue = (s16)ServoParams.RollMax * MULTIPLYER; |
163 | } |
163 | } |
164 | 164 | ||
165 | pulselen += ServoRollValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
165 | pulselen += ServoRollValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position |
166 | DebugOut.Analog[8] = ServoRollValue / MULTIPLYER; |
166 | DebugOut.Analog[8] = ServoRollValue / MULTIPLYER; |
167 | LowPulseTime2 = PPM_FRAMELEN - pulselen; |
167 | LowPulseTime2 = PPM_FRAMELEN - pulselen; |
168 | TIM2->CR1 &= ~CR1_OLVL2_MASK; // make next a low pulse |
168 | TIM2->CR1 &= ~CR1_OLVL2_MASK; // make next a low pulse |
169 | } |
169 | } |
170 | else |
170 | else |
171 | { |
171 | { |
172 | pulselen = LowPulseTime2; |
172 | pulselen = LowPulseTime2; |
173 | TIM2->CR1 |= CR1_OLVL2_MASK; // make next a high pulse |
173 | TIM2->CR1 |= CR1_OLVL2_MASK; // make next a high pulse |
174 | } |
174 | } |
175 | TIM2->OC2R += pulselen; |
175 | TIM2->OC2R += pulselen; |
176 | } |
176 | } |
177 | 177 | ||
178 | IDISABLE; |
178 | IDISABLE; |
179 | } |
179 | } |
180 | 180 | ||
181 | //---------------------------------------------------------------------------------------------------- |
181 | //---------------------------------------------------------------------------------------------------- |
182 | // Servo Timer |
182 | // Servo Timer |
183 | //---------------------------------------------------------------------------------------------------- |
183 | //---------------------------------------------------------------------------------------------------- |
184 | void TIMER2_Init(void) |
184 | void TIMER2_Init(void) |
185 | { |
185 | { |
186 | GPIO_InitTypeDef GPIO_InitStructure; |
186 | GPIO_InitTypeDef GPIO_InitStructure; |
187 | TIM_InitTypeDef TIM_InitStructure; |
187 | TIM_InitTypeDef TIM_InitStructure; |
188 | 188 | ||
189 | UART1_PutString("\r\n Timer2 init..."); |
189 | UART1_PutString("\r\n Timer2 init..."); |
190 | 190 | ||
191 | SCU_APBPeriphClockConfig(__GPIO6, ENABLE); // Enable the GPIO6 Clock |
191 | SCU_APBPeriphClockConfig(__GPIO6, ENABLE); // Enable the GPIO6 Clock |
192 | 192 | ||
193 | // configure the servo pins |
193 | // configure the servo pins |
194 | GPIO_StructInit(&GPIO_InitStructure); |
194 | GPIO_StructInit(&GPIO_InitStructure); |
195 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
195 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
196 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
196 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
197 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
197 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
198 | GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Enable; |
198 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Enable; |
199 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2; //TIM2_OCMP1 |
199 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2; //TIM2_OCMP1 |
200 | GPIO_Init(GPIO6, &GPIO_InitStructure); |
200 | GPIO_Init(GPIO6, &GPIO_InitStructure); |
201 | 201 | ||
202 | GPIO_StructInit(&GPIO_InitStructure); |
202 | GPIO_StructInit(&GPIO_InitStructure); |
203 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
203 | GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
204 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
204 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
205 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
205 | GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
206 | GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Enable; |
206 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Enable; |
207 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2; //TIM2_OCMP2 |
207 | GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2; //TIM2_OCMP2 |
208 | GPIO_Init(GPIO6, &GPIO_InitStructure); |
208 | GPIO_Init(GPIO6, &GPIO_InitStructure); |
209 | 209 | ||
210 | SCU_APBPeriphClockConfig(__TIM23, ENABLE); |
210 | SCU_APBPeriphClockConfig(__TIM23, ENABLE); |
211 | 211 | ||
212 | TIM_DeInit(TIM2); |
212 | TIM_DeInit(TIM2); |
213 | TIM_StructInit(&TIM_InitStructure); |
213 | TIM_StructInit(&TIM_InitStructure); |
214 | TIM_InitStructure.TIM_Mode = TIM_OCM_CHANNEL_12; // Output Compare Channels 1 & 2 Mode |
214 | TIM_InitStructure.TIM_Mode = TIM_OCM_CHANNEL_12; // Output Compare Channels 1 & 2 Mode |
215 | TIM_InitStructure.TIM_OC1_Modes = TIM_WAVE; // OCMP1 pin is dedicated to the OC1 capability of the TIM |
215 | TIM_InitStructure.TIM_OC1_Modes = TIM_WAVE; // OCMP1 pin is dedicated to the OC1 capability of the TIM |
216 | TIM_InitStructure.TIM_OC2_Modes = TIM_WAVE; // OCMP2 pin is dedicated to the OC2 capability of the TIM |
216 | TIM_InitStructure.TIM_OC2_Modes = TIM_WAVE; // OCMP2 pin is dedicated to the OC2 capability of the TIM |
217 | TIM_InitStructure.TIM_Clock_Source = TIM_CLK_APB; // APB clock source is used |
217 | TIM_InitStructure.TIM_Clock_Source = TIM_CLK_APB; // APB clock source is used |
218 | TIM_InitStructure.TIM_Pulse_Level_1 = TIM_LOW; // output low at OCMP1 pin on compare match |
218 | TIM_InitStructure.TIM_Pulse_Level_1 = TIM_LOW; // output low at OCMP1 pin on compare match |
219 | TIM_InitStructure.TIM_Pulse_Level_2 = TIM_LOW; // output low at OCMP2 pin on compare match |
219 | TIM_InitStructure.TIM_Pulse_Level_2 = TIM_LOW; // output low at OCMP2 pin on compare match |
220 | TIM_InitStructure.TIM_Prescaler = (SCU_GetPCLKFreqValue() * 1000) / TIM2_FREQ; |
220 | TIM_InitStructure.TIM_Prescaler = (SCU_GetPCLKFreqValue() * 1000) / TIM2_FREQ; |
221 | 221 | ||
222 | TIM_Init(TIM2, &TIM_InitStructure); |
222 | TIM_Init(TIM2, &TIM_InitStructure); |
223 | 223 | ||
224 | TIM_ITConfig(TIM2, TIM_IT_OC1|TIM_IT_OC2, ENABLE); // enable interrupts for the OC 1 & 2 |
224 | TIM_ITConfig(TIM2, TIM_IT_OC1|TIM_IT_OC2, ENABLE); // enable interrupts for the OC 1 & 2 |
225 | 225 | ||
226 | VIC_Config(TIM2_ITLine, VIC_IRQ, PRIORITY_TIMER2); |
226 | VIC_Config(TIM2_ITLine, VIC_IRQ, PRIORITY_TIMER2); |
227 | VIC_ITCmd(TIM2_ITLine, ENABLE); |
227 | VIC_ITCmd(TIM2_ITLine, ENABLE); |
228 | 228 | ||
229 | TIM2->OC1R = 10; |
229 | TIM2->OC1R = 10; |
230 | TIM2->OC2R = 20; |
230 | TIM2->OC2R = 20; |
231 | 231 | ||
232 | // set servo params to defaults |
232 | // set servo params to defaults |
233 | ServoParams.Refresh = 5; |
233 | ServoParams.Refresh = 5; |
234 | ServoParams.CompInvert = 0; |
234 | ServoParams.CompInvert = 0; |
235 | ServoParams.NickControl = 127; |
235 | ServoParams.NickControl = 127; |
236 | ServoParams.NickComp = 40; |
236 | ServoParams.NickComp = 40; |
237 | ServoParams.NickMin = 50; |
237 | ServoParams.NickMin = 50; |
238 | ServoParams.NickMax = 205; |
238 | ServoParams.NickMax = 205; |
239 | ServoParams.RollControl = 127; |
239 | ServoParams.RollControl = 127; |
240 | ServoParams.RollComp = 40; |
240 | ServoParams.RollComp = 40; |
241 | ServoParams.RollMin = 50; |
241 | ServoParams.RollMin = 50; |
242 | ServoParams.RollMax = 205; |
242 | ServoParams.RollMax = 205; |
243 | 243 | ||
244 | TIM_CounterCmd(TIM2, TIM_CLEAR); // reset timer |
244 | TIM_CounterCmd(TIM2, TIM_CLEAR); // reset timer |
245 | TIM_CounterCmd(TIM2, TIM_START); // start the timer |
245 | TIM_CounterCmd(TIM2, TIM_START); // start the timer |
246 | 246 | ||
247 | UART1_PutString("ok"); |
247 | UART1_PutString("ok"); |
248 | } |
248 | } |
249 | 249 | ||
250 | void TIMER2_Deinit(void) |
250 | void TIMER2_Deinit(void) |
251 | { |
251 | { |
252 | GPIO_InitTypeDef GPIO_InitStructure; |
252 | GPIO_InitTypeDef GPIO_InitStructure; |
253 | 253 | ||
254 | UART1_PutString("\r\n Timer2 deinit..."); |
254 | UART1_PutString("\r\n Timer2 deinit..."); |
255 | 255 | ||
256 | VIC_ITCmd(TIM2_ITLine, DISABLE); |
256 | VIC_ITCmd(TIM2_ITLine, DISABLE); |
257 | TIM_CounterCmd(TIM2, TIM_STOP); // stop the timer |
257 | TIM_CounterCmd(TIM2, TIM_STOP); // stop the timer |
258 | TIM_CounterCmd(TIM2, TIM_CLEAR); // stop the timer |
258 | TIM_CounterCmd(TIM2, TIM_CLEAR); // stop the timer |
259 | TIM_ITConfig(TIM2, TIM_IT_OC1|TIM_IT_OC2, DISABLE); // disable interrupts for the OC 1 & 2 |
259 | TIM_ITConfig(TIM2, TIM_IT_OC1|TIM_IT_OC2, DISABLE); // disable interrupts for the OC 1 & 2 |
260 | TIM_DeInit(TIM2); |
260 | TIM_DeInit(TIM2); |
261 | SCU_APBPeriphClockConfig(__TIM23, DISABLE); |
261 | SCU_APBPeriphClockConfig(__TIM23, DISABLE); |
262 | 262 | ||
263 | // configure the servo pins as input |
263 | // configure the servo pins as input |
264 | GPIO_StructInit(&GPIO_InitStructure); |
264 | GPIO_StructInit(&GPIO_InitStructure); |
265 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
265 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
266 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
266 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
267 | GPIO_InitStructure.GPIO_Type = GPIO_Type_OpenCollector; |
267 | GPIO_InitStructure.GPIO_Type = GPIO_Type_OpenCollector; |
268 | GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable; |
268 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
269 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
269 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
270 | GPIO_Init(GPIO6, &GPIO_InitStructure); |
270 | GPIO_Init(GPIO6, &GPIO_InitStructure); |
271 | 271 | ||
272 | GPIO_StructInit(&GPIO_InitStructure); |
272 | GPIO_StructInit(&GPIO_InitStructure); |
273 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
273 | GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
274 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
274 | GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
275 | GPIO_InitStructure.GPIO_Type = GPIO_Type_OpenCollector; |
275 | GPIO_InitStructure.GPIO_Type = GPIO_Type_OpenCollector; |
276 | GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable; |
276 | GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
277 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
277 | GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
278 | GPIO_Init(GPIO6, &GPIO_InitStructure); |
278 | GPIO_Init(GPIO6, &GPIO_InitStructure); |
279 | } |
279 | } |
280 | 280 |