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1227 | killagreg | 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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6 | // + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation), |
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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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10 | // + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen, |
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11 | // + Verkauf von Luftbildaufnahmen, usw. |
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12 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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13 | // + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht, |
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14 | // + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen |
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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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24 | // + Die Portierung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur |
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25 | // + mit unserer Zustimmung zulässig |
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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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29 | // + Redistributions of source code (with or without modifications) must retain the above copyright notice, |
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30 | // + this list of conditions and the following disclaimer. |
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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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33 | // + * The use of this project (hardware, software, binary files, sources and documentation) is only permittet |
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34 | // + for non-commercial use (directly or indirectly) |
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35 | // + Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted |
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36 | // + with our written permission |
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37 | // + * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be |
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38 | // + clearly linked as origin |
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39 | // + * porting to systems other than hardware from www.mikrokopter.de is not allowed |
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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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50 | // + POSSIBILITY OF SUCH DAMAGE. |
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51 | // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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52 | #include <avr/boot.h> |
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53 | |||
54 | #include <avr/io.h> |
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55 | #include <avr/interrupt.h> |
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56 | #include <util/delay.h> |
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57 | |||
58 | #include "main.h" |
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59 | #include "timer0.h" |
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60 | #include "timer2.h" |
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61 | #include "uart0.h" |
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62 | #include "uart1.h" |
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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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75 | #ifdef USE_MK3MAG |
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76 | #include "mk3mag.h" |
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77 | #endif |
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78 | #include "twimaster.h" |
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79 | #include "eeprom.h" |
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80 | |||
81 | |||
82 | uint8_t BoardRelease = 10; |
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83 | uint8_t CPUType = ATMEGA644; |
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84 | |||
85 | |||
86 | uint8_t GetCPUType(void) |
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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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95 | { |
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96 | uint8_t BoardRelease = 10; |
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97 | // the board release is coded via the pull up or down the 2 status LED |
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98 | |||
99 | PORTB &= ~((1 << PORTB1)|(1 << PORTB0)); // set tristate |
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100 | DDRB &= ~((1 << DDB0)|(1 << DDB0)); // set port direction as input |
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101 | |||
102 | _delay_loop_2(1000); // make some delay |
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103 | |||
104 | switch( PINB & ((1<<PINB1)|(1<<PINB0)) ) |
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105 | { |
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106 | case 0x00: |
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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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120 | } |
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121 | // set LED ports as output |
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122 | DDRB |= (1<<DDB1)|(1<<DDB0); |
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123 | RED_ON; |
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124 | GRN_OFF; |
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125 | return BoardRelease; |
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126 | } |
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127 | |||
128 | |||
129 | int16_t main (void) |
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130 | { |
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131 | uint16_t timer; |
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132 | uint8_t i; |
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133 | |||
134 | // disable interrupts global |
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135 | cli(); |
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136 | |||
137 | // analyze hardware environment |
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138 | CPUType = GetCPUType(); |
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139 | BoardRelease = GetBoardRelease(); |
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140 | |||
141 | // disable watchdog |
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142 | MCUSR &=~(1<<WDRF); |
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143 | WDTCSR |= (1<<WDCE)|(1<<WDE); |
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144 | WDTCSR = 0; |
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145 | |||
146 | BeepTime = 2000; |
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147 | |||
148 | PPM_in[CH_GAS] = 0; |
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149 | StickYaw = 0; |
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150 | StickRoll = 0; |
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151 | StickNick = 0; |
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152 | |||
153 | RED_OFF; |
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154 | |||
155 | // initalize modules |
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156 | LED_Init(); |
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157 | TIMER0_Init(); |
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158 | TIMER2_Init(); |
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159 | USART0_Init(); |
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160 | if(CPUType == ATMEGA644P) USART1_Init(); |
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161 | RC_Init(); |
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162 | ADC_Init(); |
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163 | I2C_Init(); |
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164 | #ifdef USE_NAVICTRL |
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165 | SPI_MasterInit(); |
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166 | #endif |
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167 | #ifdef USE_KILLAGREG |
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168 | MM3_Init(); |
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169 | #endif |
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170 | #ifdef USE_MK3MAG |
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171 | MK3MAG_Init(); |
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172 | #endif |
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173 | |||
174 | // enable interrupts global |
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175 | sei(); |
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176 | |||
177 | printf("\n\r==================================="); |
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178 | printf("\n\rFlightControl"); |
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179 | printf("\n\rHardware: %d.%d", BoardRelease/10, BoardRelease%10); |
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180 | if(CPUType == ATMEGA644P) |
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181 | printf("\r\n CPU: Atmega644p"); |
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182 | else |
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183 | printf("\r\n CPU: Atmega644"); |
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184 | printf("\n\rSoftware: V%d.%d%c",VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH + 'a'); |
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185 | printf("\n\r==================================="); |
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186 | GRN_ON; |
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187 | |||
188 | // Parameter Set handling |
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189 | ParamSet_Init(); |
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190 | |||
191 | // Check connected BL-Ctrls |
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192 | printf("\n\rFound BL-Ctrl: "); |
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193 | motor_read = 0; |
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194 | UpdateMotor = 0; |
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195 | SendMotorData(); |
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196 | while(!UpdateMotor); |
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197 | motor_read = 0; // read the first I2C-Data |
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198 | for(i = 0; i < MAX_MOTORS; i++) |
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199 | { |
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200 | UpdateMotor = 0; |
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201 | SendMotorData(); |
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202 | while(!UpdateMotor); |
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203 | if(Motor[i].Present) printf("%d ",i+1); |
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204 | } |
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205 | for(i = 0; i < MAX_MOTORS; i++) |
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206 | { |
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207 | if(!Motor[i].Present && Mixer.Motor[i][MIX_GAS] > 0) printf("\n\r\n\r!! MISSING BL-CTRL: %d !!",i+1); |
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208 | Motor[i].Error = 0; |
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209 | } |
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210 | printf("\n\r==================================="); |
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211 | |||
212 | |||
213 | if(GetParamWord(PID_ACC_NICK) > 2048) |
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214 | { |
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215 | printf("\n\rACC not calibrated!"); |
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216 | } |
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217 | |||
218 | //wait for a short time (otherwise the RC channel check won't work below) |
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219 | timer = SetDelay(500); |
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220 | while(!CheckDelay(timer)); |
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221 | |||
222 | if(ParamSet.GlobalConfig & CFG_HEIGHT_CONTROL) |
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223 | { |
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224 | printf("\n\rCalibrating air pressure sensor.."); |
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225 | timer = SetDelay(1000); |
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226 | SearchAirPressureOffset(); |
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227 | while (!CheckDelay(timer)); |
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228 | printf("OK\n\r"); |
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229 | } |
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230 | |||
231 | #ifdef USE_NAVICTRL |
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232 | printf("\n\rSupport for NaviCtrl"); |
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233 | #ifdef USE_RC_DSL |
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234 | printf("\r\nSupport for DSL RC at 2nd UART"); |
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235 | #endif |
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236 | #ifdef USE_RC_SPECTRUM |
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237 | printf("\r\nSupport for SPECTRUM RC at 2nd UART"); |
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238 | #endif |
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239 | #endif |
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240 | |||
241 | #ifdef USE_KILLAGREG |
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242 | printf("\n\rSupport for MicroMag3 Compass"); |
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243 | #endif |
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244 | |||
245 | #ifdef USE_MK3MAG |
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246 | printf("\n\rSupport for MK3MAG Compass"); |
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247 | #endif |
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248 | |||
249 | #if (defined (USE_KILLAGREG) || defined (USE_MK3MAG)) |
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250 | if(CPUType == ATMEGA644P) printf("\n\rSupport for GPS at 2nd UART"); |
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251 | else printf("\n\rSupport for GPS at 1st UART"); |
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252 | #endif |
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253 | |||
254 | |||
255 | SetNeutral(NO_ACC_CALIB); |
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256 | |||
257 | RED_OFF; |
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258 | |||
259 | BeepTime = 2000; |
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260 | ExternControl.Digital[0] = 0x55; |
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261 | |||
262 | |||
263 | printf("\n\rControl: "); |
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264 | if (ParamSet.GlobalConfig & CFG_HEADING_HOLD) printf("HeadingHold"); |
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265 | else printf("Neutral (ACC-Mode)"); |
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266 | |||
267 | printf("\n\n\r"); |
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268 | |||
269 | LCD_Clear(); |
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270 | |||
271 | I2CTimeout = 5000; |
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272 | while (1) |
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273 | { |
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274 | if(UpdateMotor && ADReady) // control interval |
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275 | { |
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276 | UpdateMotor = 0; // reset Flag, is enabled every 2 ms by ISR of timer0 |
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277 | |||
278 | //J4HIGH; |
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279 | MotorControl(); |
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280 | //J4LOW; |
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281 | |||
282 | SendMotorData(); // the flight control code |
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283 | RED_OFF; |
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284 | |||
285 | |||
286 | |||
287 | if(PcAccess) PcAccess--; |
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288 | else |
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289 | { |
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290 | ExternControl.Config = 0; |
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291 | ExternStickNick= 0; |
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292 | ExternStickRoll = 0; |
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293 | ExternStickYaw = 0; |
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294 | } |
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295 | if(RC_Quality) RC_Quality--; |
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296 | |||
297 | #ifdef USE_NAVICTRL |
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298 | if(NCDataOkay) |
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299 | { |
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300 | if(--NCDataOkay == 0) // no data from NC |
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301 | { // set gps control sticks neutral |
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302 | GPSStickNick = 0; |
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303 | GPSStickRoll = 0; |
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304 | NCSerialDataOkay = 0; |
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305 | } |
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306 | } |
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307 | #endif |
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308 | |||
309 | if(!--I2CTimeout || MissingMotor) // try to reset the i2c if motor is missing ot timeout |
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310 | { |
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311 | RED_ON; |
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312 | if(!I2CTimeout) |
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313 | { |
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314 | I2C_Reset(); |
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315 | I2CTimeout = 5; |
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316 | } |
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317 | if((BeepModulation == 0xFFFF) && (MKFlags & MKFLAG_MOTOR_RUN) ) |
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318 | { |
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319 | BeepTime = 10000; // 1 second |
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320 | BeepModulation = 0x0080; |
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321 | } |
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322 | } |
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323 | else |
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324 | { |
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325 | RED_OFF; |
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326 | } |
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327 | |||
328 | // allow Serial Data Transmit if motors must not updated or motors are not running |
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329 | if( !UpdateMotor || !(MKFlags & MKFLAG_MOTOR_RUN) ) |
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330 | { |
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331 | USART0_TransmitTxData(); |
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332 | } |
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333 | USART0_ProcessRxData(); |
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334 | |||
335 | if(CheckDelay(timer)) |
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336 | { |
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337 | if(UBat < ParamSet.LowVoltageWarning) |
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338 | { |
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339 | BeepModulation = 0x0300; |
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340 | if(!BeepTime ) |
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341 | { |
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342 | BeepTime = 6000; // 0.6 seconds |
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343 | } |
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344 | } |
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345 | #ifdef USE_NAVICTRL |
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346 | SPI_StartTransmitPacket(); |
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347 | SendSPI = 4; |
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348 | #endif |
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349 | timer = SetDelay(20); // every 20 ms |
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350 | } |
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351 | |||
352 | LED_Update(); |
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353 | } |
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354 | |||
355 | #ifdef USE_NAVICTRL |
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356 | if(!SendSPI) |
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357 | { // SendSPI is decremented in timer0.c with a rate of 9.765 kHz. |
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358 | // within the SPI_TransmitByte() routine the value is set to 4. |
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359 | // I.e. the SPI_TransmitByte() is called at a rate of 9.765 kHz/4= 2441.25 Hz, |
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360 | // 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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361 | SPI_TransmitByte(); |
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362 | } |
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363 | #endif |
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364 | } |
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365 | return (1); |
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366 | } |
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367 |