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1 | ingob | 1 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
2 | // + Copyright (c) 04.2007 Holger Buss |
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3 | // + Nur für den privaten Gebrauch |
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4 | // + www.MikroKopter.com |
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5 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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886 | killagreg | 6 | // + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation), |
7 | // + dass eine Nutzung (auch auszugsweise) nur für den privaten und nicht-kommerziellen Gebrauch zulässig ist. |
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8 | // + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt |
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9 | // + bzgl. der Nutzungsbedingungen aufzunehmen. |
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1 | ingob | 10 | // + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen, |
11 | // + Verkauf von Luftbildaufnahmen, usw. |
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12 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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886 | killagreg | 13 | // + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht, |
1 | ingob | 14 | // + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen |
15 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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16 | // + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts |
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17 | // + auf anderen Webseiten oder Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de" |
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18 | // + eindeutig als Ursprung verlinkt und genannt werden |
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19 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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20 | // + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion |
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21 | // + Benutzung auf eigene Gefahr |
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22 | // + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden |
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23 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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886 | killagreg | 24 | // + Die Portierung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur |
1 | ingob | 25 | // + mit unserer Zustimmung zulässig |
26 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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27 | // + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen |
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28 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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886 | killagreg | 29 | // + Redistributions of source code (with or without modifications) must retain the above copyright notice, |
1 | ingob | 30 | // + this list of conditions and the following disclaimer. |
31 | // + * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived |
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32 | // + from this software without specific prior written permission. |
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886 | killagreg | 33 | // + * The use of this project (hardware, software, binary files, sources and documentation) is only permittet |
1 | ingob | 34 | // + for non-commercial use (directly or indirectly) |
886 | killagreg | 35 | // + Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted |
1 | ingob | 36 | // + with our written permission |
886 | killagreg | 37 | // + * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be |
38 | // + clearly linked as origin |
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1 | ingob | 39 | // + * porting to systems other than hardware from www.mikrokopter.de is not allowed |
40 | // + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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41 | // + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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42 | // + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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43 | // + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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44 | // + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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45 | // + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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46 | // + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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47 | // + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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48 | // + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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49 | // + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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886 | killagreg | 50 | // + POSSIBILITY OF SUCH DAMAGE. |
1 | ingob | 51 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
886 | killagreg | 52 | #include <avr/boot.h> |
1 | ingob | 53 | |
886 | killagreg | 54 | #include <avr/io.h> |
55 | #include <avr/interrupt.h> |
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1180 | killagreg | 56 | #include <util/delay.h> |
1 | ingob | 57 | |
886 | killagreg | 58 | #include "main.h" |
59 | #include "timer0.h" |
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60 | #include "timer2.h" |
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1180 | killagreg | 61 | #include "uart0.h" |
886 | killagreg | 62 | #include "uart1.h" |
63 | #include "led.h" |
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64 | #include "menu.h" |
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65 | #include "fc.h" |
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66 | #include "rc.h" |
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67 | #include "analog.h" |
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68 | #include "printf_P.h" |
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69 | #ifdef USE_KILLAGREG |
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70 | #include "mm3.h" |
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71 | #endif |
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72 | #ifdef USE_NAVICTRL |
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73 | #include "spi.h" |
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74 | #endif |
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908 | killagreg | 75 | #ifdef USE_MK3MAG |
886 | killagreg | 76 | #include "mk3mag.h" |
77 | #endif |
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78 | #include "twimaster.h" |
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79 | #include "eeprom.h" |
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1 | ingob | 80 | |
81 | |||
886 | killagreg | 82 | uint8_t BoardRelease = 10; |
1180 | killagreg | 83 | uint8_t CPUType = ATMEGA644; |
1 | ingob | 84 | |
819 | hbuss | 85 | |
1180 | killagreg | 86 | uint8_t GetCPUType(void) |
87 | { // works only after reset or power on when the registers have default values |
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88 | uint8_t CPUType = ATMEGA644; |
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89 | if( (UCSR1A == 0x20) && (UCSR1C == 0x06) ) CPUType = ATMEGA644P; // initial Values for 644P after reset |
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90 | return CPUType; |
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91 | } |
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92 | |||
93 | |||
94 | uint8_t GetBoardRelease(void) |
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1 | ingob | 95 | { |
1180 | killagreg | 96 | uint8_t BoardRelease = 10; |
97 | // the board release is coded via the pull up or down the 2 status LED |
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296 | holgerb | 98 | |
1180 | killagreg | 99 | PORTB &= ~((1 << PORTB1)|(1 << PORTB0)); // set tristate |
100 | DDRB &= ~((1 << DDB0)|(1 << DDB0)); // set port direction as input |
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886 | killagreg | 101 | |
1180 | killagreg | 102 | _delay_loop_2(1000); // make some delay |
103 | |||
104 | switch( PINB & ((1<<PINB1)|(1<<PINB0)) ) |
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936 | killagreg | 105 | { |
1180 | killagreg | 106 | case 0x00: |
107 | BoardRelease = 10; // 1.0 |
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108 | break; |
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109 | case 0x01: |
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110 | BoardRelease = 11; // 1.1 or 1.2 |
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111 | break; |
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112 | case 0x02: |
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113 | BoardRelease = 20; // 2.0 |
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114 | break; |
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115 | case 0x03: |
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116 | BoardRelease = 13; // 1.3 |
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117 | break; |
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118 | default: |
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119 | break; |
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936 | killagreg | 120 | } |
886 | killagreg | 121 | // set LED ports as output |
122 | DDRB |= (1<<DDB1)|(1<<DDB0); |
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936 | killagreg | 123 | RED_ON; |
886 | killagreg | 124 | GRN_OFF; |
1180 | killagreg | 125 | return BoardRelease; |
126 | } |
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886 | killagreg | 127 | |
1180 | killagreg | 128 | |
129 | int16_t main (void) |
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130 | { |
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131 | unsigned int timer; |
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132 | |||
133 | // disable interrupts global |
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134 | cli(); |
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135 | |||
136 | // analyze hardware environment |
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137 | CPUType = GetCPUType(); |
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138 | BoardRelease = GetBoardRelease(); |
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139 | |||
886 | killagreg | 140 | // disable watchdog |
1 | ingob | 141 | MCUSR &=~(1<<WDRF); |
142 | WDTCSR |= (1<<WDCE)|(1<<WDE); |
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143 | WDTCSR = 0; |
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144 | |||
886 | killagreg | 145 | BeepTime = 2000; |
1 | ingob | 146 | |
911 | killagreg | 147 | PPM_in[CH_GAS] = 0; |
886 | killagreg | 148 | StickYaw = 0; |
149 | StickRoll = 0; |
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911 | killagreg | 150 | StickNick = 0; |
1 | ingob | 151 | |
936 | killagreg | 152 | RED_OFF; |
886 | killagreg | 153 | |
154 | // initalize modules |
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1180 | killagreg | 155 | LED_Init(); |
886 | killagreg | 156 | TIMER0_Init(); |
157 | TIMER2_Init(); |
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158 | USART0_Init(); |
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1180 | killagreg | 159 | if(CPUType == ATMEGA644P) USART1_Init(); |
886 | killagreg | 160 | RC_Init(); |
1 | ingob | 161 | ADC_Init(); |
886 | killagreg | 162 | I2C_Init(); |
908 | killagreg | 163 | #ifdef USE_NAVICTRL |
164 | SPI_MasterInit(); |
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165 | #endif |
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886 | killagreg | 166 | #ifdef USE_KILLAGREG |
167 | MM3_Init(); |
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168 | #endif |
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908 | killagreg | 169 | #ifdef USE_MK3MAG |
886 | killagreg | 170 | MK3MAG_Init(); |
171 | #endif |
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172 | |||
173 | // enable interrupts global |
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1 | ingob | 174 | sei(); |
175 | |||
1180 | killagreg | 176 | printf("\n\rFlightControl"); |
177 | printf("\n\rHardware: %d.%d", BoardRelease/10, BoardRelease%10); |
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178 | if(CPUType == ATMEGA644P) |
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179 | printf("\r\n CPU: Atmega644p"); |
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180 | else |
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181 | printf("\r\n CPU: Atmega644"); |
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182 | printf("\n\rSoftware: V%d.%d%c",VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH + 'a'); |
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1 | ingob | 183 | printf("\n\r=============================="); |
184 | GRN_ON; |
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185 | |||
1180 | killagreg | 186 | // Parameter Set handling |
886 | killagreg | 187 | ParamSet_Init(); |
513 | hbuss | 188 | |
1180 | killagreg | 189 | if(GetParamWord(PID_ACC_NICK) > 1023) |
190 | { |
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191 | printf("\n\rACC not calibrated!"); |
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192 | } |
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1 | ingob | 193 | |
886 | killagreg | 194 | //wait for a short time (otherwise the RC channel check won't work below) |
195 | timer = SetDelay(500); |
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196 | while(!CheckDelay(timer)); |
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197 | |||
198 | if(ParamSet.GlobalConfig & CFG_HEIGHT_CONTROL) |
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1180 | killagreg | 199 | { |
200 | printf("\n\rCalibrating air pressure sensor.."); |
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201 | timer = SetDelay(1000); |
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202 | SearchAirPressureOffset(); |
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203 | while (!CheckDelay(timer)); |
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204 | printf("OK\n\r"); |
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1 | ingob | 205 | } |
886 | killagreg | 206 | |
908 | killagreg | 207 | #ifdef USE_NAVICTRL |
208 | printf("\n\rSupport for NaviCtrl"); |
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209 | #endif |
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210 | |||
886 | killagreg | 211 | #ifdef USE_KILLAGREG |
212 | printf("\n\rSupport for MicroMag3 Compass"); |
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908 | killagreg | 213 | #endif |
953 | killagreg | 214 | |
908 | killagreg | 215 | #ifdef USE_MK3MAG |
216 | printf("\n\rSupport for MK3MAG Compass"); |
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217 | #endif |
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218 | |||
953 | killagreg | 219 | #if (defined (USE_KILLAGREG) || defined (USE_MK3MAG)) |
1180 | killagreg | 220 | if(CPUType == ATMEGA644P) printf("\n\rSupport for GPS at 2nd UART"); |
221 | else printf("\n\rSupport for GPS at 1st UART"); |
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886 | killagreg | 222 | #endif |
223 | |||
908 | killagreg | 224 | |
1180 | killagreg | 225 | SetNeutral(NO_ACC_CALIB); |
908 | killagreg | 226 | |
936 | killagreg | 227 | RED_OFF; |
1 | ingob | 228 | |
1180 | killagreg | 229 | BeepTime = 2000; |
230 | ExternControl.Digital[0] = 0x55; |
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886 | killagreg | 231 | |
232 | |||
233 | printf("\n\rControl: "); |
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234 | if (ParamSet.GlobalConfig & CFG_HEADING_HOLD) printf("HeadingHold"); |
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1 | ingob | 235 | else printf("Neutral"); |
886 | killagreg | 236 | |
1 | ingob | 237 | printf("\n\n\r"); |
886 | killagreg | 238 | |
1180 | killagreg | 239 | LCD_Clear(); |
886 | killagreg | 240 | |
1180 | killagreg | 241 | I2CTimeout = 5000; |
1 | ingob | 242 | while (1) |
243 | { |
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1180 | killagreg | 244 | if(UpdateMotor && ADReady) // control interval |
245 | { |
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246 | UpdateMotor = 0; // reset Flag, is enabled every 2 ms by ISR of timer0 |
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886 | killagreg | 247 | |
1180 | killagreg | 248 | //J4HIGH; |
249 | MotorControl(); |
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250 | //J4LOW; |
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886 | killagreg | 251 | |
1180 | killagreg | 252 | SendMotorData(); // the flight control code |
253 | RED_OFF; |
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886 | killagreg | 254 | |
255 | |||
1180 | killagreg | 256 | |
257 | if(PcAccess) PcAccess--; |
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258 | else |
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259 | { |
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260 | ExternControl.Config = 0; |
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261 | ExternStickNick= 0; |
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262 | ExternStickRoll = 0; |
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263 | ExternStickYaw = 0; |
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264 | } |
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265 | |||
266 | if(!I2CTimeout) |
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267 | { |
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886 | killagreg | 268 | I2CTimeout = 5; |
269 | I2C_Reset(); |
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936 | killagreg | 270 | if((BeepModulation == 0xFFFF) && (MKFlags & MKFLAG_MOTOR_RUN) ) |
886 | killagreg | 271 | { |
272 | BeepTime = 10000; // 1 second |
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273 | BeepModulation = 0x0080; |
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274 | } |
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275 | } |
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276 | else |
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277 | { |
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278 | I2CTimeout--; |
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936 | killagreg | 279 | RED_OFF; |
886 | killagreg | 280 | } |
281 | |||
1180 | killagreg | 282 | // allow Serial Data Transmit if motors must not updated or motors are not running |
283 | if( !UpdateMotor || !(MKFlags & MKFLAG_MOTOR_RUN) ) |
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886 | killagreg | 284 | { |
285 | USART0_TransmitTxData(); |
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286 | } |
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1180 | killagreg | 287 | USART0_ProcessRxData(); |
886 | killagreg | 288 | |
289 | if(CheckDelay(timer)) |
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290 | { |
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1180 | killagreg | 291 | if(UBat < ParamSet.LowVoltageWarning) |
292 | { |
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954 | killagreg | 293 | BeepModulation = 0x0300; |
952 | killagreg | 294 | if(!BeepTime ) |
886 | killagreg | 295 | { |
296 | BeepTime = 6000; // 0.6 seconds |
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297 | } |
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1180 | killagreg | 298 | } |
886 | killagreg | 299 | #ifdef USE_NAVICTRL |
300 | SPI_StartTransmitPacket(); |
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301 | SendSPI = 4; |
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302 | #endif |
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303 | timer = SetDelay(20); // every 20 ms |
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1180 | killagreg | 304 | } |
936 | killagreg | 305 | |
1180 | killagreg | 306 | LED_Update(); |
307 | //J4LOW; |
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886 | killagreg | 308 | } |
723 | hbuss | 309 | |
886 | killagreg | 310 | #ifdef USE_NAVICTRL |
311 | if(!SendSPI) |
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312 | { // SendSPI is decremented in timer0.c with a rate of 9.765 kHz. |
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313 | // within the SPI_TransmitByte() routine the value is set to 4. |
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314 | // I.e. the SPI_TransmitByte() is called at a rate of 9.765 kHz/4= 2441.25 Hz, |
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315 | // and therefore the time of transmission of a complete spi-packet (32 bytes) is 32*4/9.765 kHz = 13.1 ms. |
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316 | SPI_TransmitByte(); |
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317 | } |
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318 | #endif |
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1180 | killagreg | 319 | } |
886 | killagreg | 320 | return (1); |
1 | ingob | 321 | } |
322 |