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Rev | Author | Line No. | Line |
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962 | - | 1 | |
2 | /****************************************************************/ |
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3 | /* */ |
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4 | /* NG-Video 5,8GHz */ |
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5 | /* */ |
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6 | /* Copyright (C) 2011 - gebad */ |
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7 | /* */ |
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8 | /* This code is distributed under the GNU Public License */ |
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9 | /* which can be found at http://www.gnu.org/licenses/gpl.txt */ |
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10 | /* */ |
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11 | /****************************************************************/ |
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12 | |||
13 | #include <avr/io.h> |
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14 | #include <stdlib.h> |
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15 | #include <avr/interrupt.h> |
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16 | #include <avr/eeprom.h> |
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17 | #include <util/delay.h> |
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18 | |||
19 | #include "config.h" |
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20 | #include "dogm.h" |
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21 | #include "messages.h" |
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22 | #include "ngvideo.h" |
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23 | #include "menue.h" |
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24 | #include "servo.h" |
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25 | #include "tracking.c" |
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26 | |||
27 | |||
28 | /************************************************************************************/ |
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29 | /* initialisiert den EEPROM mit default Werten, bzw. liest EEPROM gespeicherte */ |
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30 | /* Werte in gloabale Variablen. */ |
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31 | /* Parameter: */ |
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32 | /* uint8_t ep_reset :0 = zwangsweises Rückstetzen auf default-Werte */ |
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33 | /* */ |
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34 | /************************************************************************************/ |
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35 | void Init_EEPROM(uint8_t ep_reset) |
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36 | { char ver[sizeof(VERSION)]; |
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37 | uint8_t eep_init; |
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38 | |||
39 | eep_init = eeprom_read_byte(&ep_eep_init); |
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40 | eeprom_read_block(&ver, &ep_version, sizeof(VERSION)); |
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41 | _delay_ms(1); |
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42 | |||
43 | if ((eep_init != EEP_INITB) || (ep_reset == 0) || strcmp(VERSION, ver)) |
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44 | { |
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45 | // nur bei Erstinitialisierung DOGM auf default 3,3V setzen |
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46 | if ((eep_init != EEP_INITB) || strcmp(VERSION, ver)){ |
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47 | eeprom_write_byte(&ep_eep_init, EEP_INITB); |
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48 | eeprom_write_byte(&ep_dogm_vers, DOGM3V); |
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49 | eeprom_write_byte(&ep_contrast, CONTRAST3V); |
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50 | eeprom_write_block(&VERSION, &ep_version, sizeof(VERSION)); |
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51 | } |
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52 | eeprom_write_byte(&ep_light_time, BACKGR_LIGHT_MAX); |
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53 | eeprom_write_byte(&ep_u_offset, U_OFFSET); |
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54 | eeprom_write_dword(&ep_u_min, U_MIN); |
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55 | eeprom_write_byte(&ep_channel, CHANNEL); |
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56 | eeprom_write_byte(&ep_av_source, AV_SOURCE); |
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57 | eeprom_write_byte(&ep_language, NO_LANGUAGE); |
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58 | eeprom_write_word(&ep_udbm_min, UDBM_MIN); |
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59 | eeprom_write_word(&ep_udbm_max, UDBM_MAX); |
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60 | eeprom_write_word(&ep_udbm_korr_1, UDBM_KORR_FA); |
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61 | eeprom_write_word(&ep_udbm_korr_2, UDBM_KORR_FA); |
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62 | eeprom_write_byte(&ep_sIdxSteps, STEPS_255); |
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63 | eeprom_write_block(&servo[0],&ep_servo[0],sizeof(servo_t)); |
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64 | eeprom_write_block(&servo[1],&ep_servo[1],sizeof(servo_t)); |
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65 | eeprom_write_byte(&ep_tracking, TRACKING_MIN); |
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66 | eeprom_write_byte(&ep_track_hyst, TRACKING_HYSTERESE); |
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67 | eeprom_write_byte(&ep_track_tx, 0); |
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68 | eeprom_write_byte(&ep_baudrate, BAUDRATE); |
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69 | sIdxSteps = STEPS_255; |
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70 | } |
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71 | else |
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72 | { |
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73 | light_time = eeprom_read_byte(&ep_light_time); |
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74 | u_offset = eeprom_read_byte(&ep_u_offset); |
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75 | u_min = eeprom_read_dword(&ep_u_min); |
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76 | channel = eeprom_read_byte(&ep_channel); |
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77 | av_source = eeprom_read_byte(&ep_av_source); |
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78 | language = eeprom_read_byte(&ep_language); |
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79 | udbm_min = eeprom_read_word(&ep_udbm_min); |
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80 | udbm_max = eeprom_read_word(&ep_udbm_max); |
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81 | udbm_korr_1 = eeprom_read_word(&ep_udbm_korr_1); |
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82 | udbm_korr_2 = eeprom_read_word(&ep_udbm_korr_2); |
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83 | sIdxSteps = eeprom_read_byte(&ep_sIdxSteps); |
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84 | eeprom_read_block(&servo[0],&ep_servo[0],sizeof(servo_t)); |
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85 | eeprom_read_block(&servo[1],&ep_servo[1],sizeof(servo_t)); |
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86 | tracking = eeprom_read_byte(&ep_tracking); |
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87 | track_hyst = eeprom_read_byte(&ep_track_hyst); |
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88 | track_tx = eeprom_read_byte(&ep_track_tx); |
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89 | baudrate = eeprom_read_byte(&ep_baudrate); |
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90 | } |
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91 | dogm_vers = eeprom_read_byte(&ep_dogm_vers); |
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92 | contrast = eeprom_read_byte(&ep_contrast); |
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93 | hyst_u_min = u_min; |
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94 | RSSI_Calc_UdBm(pudbm); // Vergleichstabelle für dBm-Balken berechnen |
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95 | sw_avx = av_source; |
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96 | for (uint8_t i = 0; i < SERVO_NUM_CHANNELS; i++) { |
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97 | servoSet_rev(i, servo[i].rev); |
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98 | servoSet_min(i, servo[i].min); |
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99 | servoSet_max(i, servo[i].max); |
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100 | servoSet_mid(i, servo[i].mid); |
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101 | } |
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102 | // Vorberechnung von ServoChannels[channel].duty |
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103 | servoSetDefaultPos(); // Ausgangsstellung beider Servos |
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104 | coldstart = 1; |
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105 | USART_Init_Baudrate(); |
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106 | USART_RX_Mode(tracking); |
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107 | } |
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108 | |||
109 | void servoSetDefaultPos(void) |
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110 | { |
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111 | servoSetPosition(SERVO_PAN, ServoSteps()/2); // Ausgangsstellung SERVO_PAN |
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112 | servoSetPosition(SERVO_TILT, 0); // Ausgangsstellung SERVO_TILT |
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113 | } |
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114 | |||
115 | void USART_Init_Baudrate(void) |
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116 | { |
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117 | if (tracking == TRACKING_MKCOCKPIT) |
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118 | USART_Init(baud[baudrate]); |
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119 | else |
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120 | USART_Init(baud[6]); //57600 |
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121 | } |
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122 | |||
123 | /************************************************************************************/ |
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124 | /* setzt Flag für 3,3V oder 5V DOGM */ |
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125 | /* Parameter: */ |
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126 | /* uint8_t dogm :Version */ |
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127 | /* */ |
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128 | /************************************************************************************/ |
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129 | void Set_DOGM_Version(void) |
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130 | { |
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131 | if(dogm_vers == DOGM5V) { |
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132 | dogm_vers = DOGM3V; |
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133 | contrast = CONTRAST3V; |
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134 | } |
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135 | else { |
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136 | dogm_vers = DOGM5V; |
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137 | contrast = CONTRAST5V; |
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138 | } |
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139 | eeprom_write_byte(&ep_dogm_vers, dogm_vers); |
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140 | eeprom_write_byte(&ep_contrast, contrast); |
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141 | } |
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142 | |||
143 | /************************************************************************************/ |
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144 | /* setzt den RX-Kanal von 1 bis 7 */ |
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145 | /* Parameter: */ |
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146 | /* uint8_t channel :Kanal */ |
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147 | /* */ |
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148 | /************************************************************************************/ |
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149 | void Set_Channel(uint8_t channel) |
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150 | { uint8_t tmp; |
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151 | |||
152 | channel--; |
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153 | tmp = channel & 0b00000111; // Kanal 1 bis 7 Werte 0 bis 6 setzen |
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154 | PORTA |= tmp; |
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155 | PORTB |= tmp; |
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156 | tmp = channel | 0b11111000; |
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157 | PORTA &= tmp; |
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158 | PORTB &= tmp; |
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159 | } |
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160 | |||
161 | /************************************************************************************/ |
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162 | /* schaltet den MUX auf AV1 oder AV2 ohne Darstellung und en-/disabled Interrupt */ |
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163 | /* wird nur in main.c (Initialisierung) und Menü Sourceumschaltung eingesetzt */ |
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164 | /* deswegen cli() und sei() nur in Menu_AV_Source(void) */ |
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165 | /* Parameter: */ |
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166 | /* uint8_t src :0-AV1, 1-AV2 */ |
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167 | /* */ |
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168 | /************************************************************************************/ |
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169 | uint8_t Set_AV_Source(uint8_t src) |
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170 | { |
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171 | switch(src) { |
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172 | case AV1: CLEAR_INT10; // Interrupt für Sync ausschalten |
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173 | SET_MUX_0; |
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174 | break; |
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175 | case AV2: CLEAR_INT10; // Interrupt für Sync ausschalten |
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176 | SET_MUX_1; |
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177 | break; |
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178 | case DIVERSITY: SET_INT10; // External Interrupt Mask Register ein |
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179 | SET_MUX_0; |
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180 | break; |
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181 | } |
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182 | return(src); |
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183 | } |
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184 | |||
185 | |||
186 | /**************************************************************/ |
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187 | /* */ |
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188 | /* LCD-Backlight */ |
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189 | /* */ |
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190 | /**************************************************************/ |
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191 | |||
192 | void lcdSet_BackgrLight_Off(void) |
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193 | { |
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194 | backgr_light = OFF; |
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195 | lcdBacklightOff(); |
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196 | } |
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197 | |||
198 | void lcd_BackgrLight_On(void) |
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199 | { // ...&& (light_count < light_time)) ==> sonst wird Beleuchtung laufend wieder eingeschaltet |
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200 | if ((backgr_light == OFF) && (light_time > BACKGR_LIGHT_MIN) && (light_count < light_time)) { |
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201 | cli(); |
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202 | light_count = 0; |
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203 | sei(); |
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204 | backgr_light = ON; |
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205 | lcdBacklightOn(); |
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206 | } |
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207 | } |
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208 | |||
209 | void lcd_BackgrLight(void) |
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210 | { |
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211 | if (backgr_light == ON) { // nur wenn Beleuchtung an |
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212 | if (light_time == BACKGR_LIGHT_MIN) // Hintergrundbeleuchtung immer aus? |
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213 | lcdSet_BackgrLight_Off(); |
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214 | else |
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215 | if (light_time < BACKGR_LIGHT_MAX) { // Hintergrundbeleuchtung immer an? |
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216 | cli(); |
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217 | light_count++; |
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218 | sei(); |
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219 | if (light_count >= light_time) lcdSet_BackgrLight_Off(); |
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220 | } |
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221 | } |
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222 | } |
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223 | |||
224 | /**************************************************************/ |
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225 | /* */ |
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226 | /* ADC */ |
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227 | /* */ |
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228 | /* http://www.mikrocontroller.net/articles/AVR-GCC-Tutorial */ |
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229 | /* */ |
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230 | /**************************************************************/ |
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231 | |||
232 | void ADC_Init(void) |
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233 | { |
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234 | uint16_t result; |
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235 | |||
236 | ADMUX = (0<<REFS1) | (1<<REFS0); // AVcc als Referenz benutzen, da an AREF 4,8 V |
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237 | ADCSRA = (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0); // Frequenzvorteiler Prescaler 128 |
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238 | ADCSRA |= (1<<ADEN); // ADC aktivieren |
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239 | |||
240 | /* nach Aktivieren des ADC wird ein "Dummy-Readout" empfohlen, man liest |
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241 | also einen Wert und verwirft diesen, um den ADC "warmlaufen zu lassen" */ |
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242 | |||
243 | ADCSRA |= (1<<ADSC); // eine ADC-Wandlung |
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244 | while (ADCSRA & (1<<ADSC) ) {} // auf Abschluss der Konvertierung warten |
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245 | /* ADCW muss einmal gelesen werden, sonst wird Ergebnis der nächsten |
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246 | Wandlung nicht übernommen. */ |
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247 | result = ADCW; |
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248 | } |
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249 | |||
250 | /* ADC Einzelmessung */ |
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251 | uint16_t ADC_Read( uint8_t channel ) |
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252 | { |
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253 | // Kanal waehlen, ohne andere Bits zu beeinflußen |
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254 | ADMUX = (ADMUX & ~(0x1F)) | (channel & 0x1F); |
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255 | ADCSRA |= (1<<ADSC); // eine Wandlung "single conversion" |
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256 | while (ADCSRA & (1<<ADSC) ) {} // auf Abschluss der Konvertierung warten |
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257 | return ADCW; // ADC auslesen und zurückgeben |
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258 | } |
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259 | |||
260 | /* ADC Mehrfachmessung mit Mittelwertbbildung */ |
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261 | uint16_t ADC_Read_Avg( uint8_t channel, uint16_t average ) |
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262 | { |
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263 | uint32_t result = 0; |
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264 | |||
265 | for (uint16_t i = 0; i < average; ++i ){ |
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266 | result += ADC_Read( channel ); |
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267 | _delay_ms(1); |
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268 | } |
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269 | return (uint16_t)( result / average ); |
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270 | } |
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271 | |||
272 | |||
273 | /**************************************************************/ |
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274 | /* */ |
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275 | /* Beeper */ |
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276 | /* */ |
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277 | /**************************************************************/ |
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278 | |||
279 | void Beep(uint8_t time) |
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280 | { |
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1117 | - | 281 | PORTB |= (1<<BEEPER); |
962 | - | 282 | _delay_ms(time); |
1117 | - | 283 | PORTB &= ~(1<<BEEPER); |
962 | - | 284 | } |
285 | |||
286 | void Double_Beep(uint8_t time, uint8_t pause) |
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287 | { |
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288 | Beep(time); |
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289 | _delay_ms(pause); |
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290 | Beep(time); |
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291 | } |
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292 | |||
293 | /**************************************************************/ |
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294 | /* */ |
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295 | /* U-Batterie */ |
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296 | /* */ |
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297 | /**************************************************************/ |
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298 | |||
299 | void Displ_Format_U(uint32_t u, uint8_t nkst) |
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300 | { char s[3]; |
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301 | uint16_t d1; |
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302 | int i; |
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303 | |||
304 | /* vereinfacht Variablenübergabe funktion change_value(uint32_t x), |
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305 | kein printf, double oder float |
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306 | siehe http://www.mikrocontroller.net/articles/Festkommaarithmetik */ |
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307 | //nkst für 1 bis 2 Nachkommastellen mitgeben |
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308 | d1 = u / 100 ; |
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309 | if (d1 < 10) lcdPutc(' '); |
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310 | utoa(d1 ,s ,10 ); |
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311 | lcdPuts(s); |
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312 | lcdPuts(Msg(MSG_KOMMA)); |
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313 | for ( i = 1; i >= 0; i--) // Zahl hat hier immer 2 Nachkommatellen |
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314 | { |
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315 | s[i] = (u % 10) + '0'; // modulo für Nachkommastelle gleich als char |
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316 | u /= 10; |
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317 | } |
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318 | s[nkst] = '\0'; |
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319 | lcdPuts(s); |
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320 | } |
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321 | |||
322 | // uint32_t u, da bei Displ_Fnct[fu_index](val) der größte Wert UBat gleich 32 Bit |
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323 | void Displ_1Nk(uint32_t u) |
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324 | { |
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325 | Displ_Format_U(u, 1); |
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326 | } |
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327 | |||
328 | void Displ_U_2Nk(uint32_t u) |
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329 | { |
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330 | Displ_Format_U(u, 2); |
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331 | lcdPutc('V'); |
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332 | } |
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333 | |||
334 | // uint8_t beep_timer :Akku-leer-Beeper nur mit Task_0_1()-Intervalle bei Menü-Rücksprung |
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335 | uint32_t U_Messen_cmp(uint8_t beep_timer) |
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336 | { uint32_t ubat; |
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337 | static struct |
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338 | { uint8_t time; |
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339 | uint8_t count; |
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340 | } beep_low; |
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341 | |||
342 | |||
343 | /* ubat = ((ADC_Read(VBAT) * Vref * (R104 + R103)) /(1024 * R103)) + UD10 (UD10 ist Offset) |
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344 | Verhältniswert * 100 *8192 ( Verhältniswert = realer Korrekturwert; |
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345 | mal 100 da alle Werte 2 Nachkommastellen berücksichtigt, aber ohne gerechnet wird |
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346 | mal 8192 => ohne Bruch gerechnet aber dabei mehr Kommastellen berücksichtigt) */ |
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347 | ubat = (ADC_Read(VBAT) * (uint64_t)43504 + (uint64_t)u_offset * 8192)/ 8192; |
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348 | if ( ubat <= hyst_u_min ) |
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349 | { |
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350 | if (bat_low != 0) { // nicht laufend Display neu schreiben |
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351 | hyst_u_min = u_min + 20; // 200mV Hysterese - beruhigt Anzeige |
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352 | lcdClear(); |
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353 | lcdPuts(Msg(MSG_ACCU_LOW)); |
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354 | bat_low = 0; |
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355 | Beep(BEEPBAT); |
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356 | // da derzeit Fkt. aller 500ms aufgerufen, mit 2 Min Abstand beginnen |
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357 | beep_low.time = BEEP_LOW_TIME; |
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358 | beep_low.count = 0; |
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359 | } |
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360 | // Akku leer, in immer kürzeren Intervallen Beep |
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361 | if ((beep_timer == 1) && (beep_low.count++ >= beep_low.time)){ |
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362 | Beep(BEEPBAT); |
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363 | if (beep_low.time > 2) |
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364 | beep_low.time /= 2; |
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365 | beep_low.count = 0; |
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366 | } |
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367 | } |
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368 | else { |
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369 | if (hyst_u_min > u_min) { // falls Anzeige von Batterie leer |
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370 | bat_low = 1; // und zurück geschaltet wird, |
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371 | hyst_u_min = u_min; // dann Main_Disp wieder darstellen |
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372 | Displ_Main_Disp(); |
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373 | } |
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374 | } |
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375 | return(ubat); |
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376 | } |
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377 | |||
378 | void Displ_VBat(void) // da u_offset globale Variable |
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379 | { uint32_t ubat; |
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380 | |||
381 | ubat = U_Messen_cmp(ENABLE_BTIMER); |
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382 | if (bat_low != 0) { // würde sonst Anzeige Akku leer überschreiben |
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383 | lcdGotoXY(11, 0); |
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384 | Displ_1Nk(ubat); |
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385 | } |
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386 | } |
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387 | |||
388 | |||
389 | /**************************************************************/ |
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390 | /* */ |
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391 | /* RSSI */ |
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392 | /* */ |
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393 | /**************************************************************/ |
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394 | |||
395 | /* RSSI Werte Korrekturfaktor berechnen */ |
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396 | uint16_t RSSI_Calc_Korr(uint16_t u0, uint16_t u1) |
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397 | { uint16_t u_max; |
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398 | |||
399 | // immer nur den kleineren Wert vergrößern |
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400 | if (u0 < u1) { |
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401 | udbm_korr_1 = (((uint32_t)u1 * UDBM_KORR_FA) / u0)+0.5; // nur mit Integer und 2 Nachkommastellen rechnen |
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402 | udbm_korr_2 = UDBM_KORR_FA; |
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403 | u_max = u1; |
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404 | } |
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405 | else { |
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406 | udbm_korr_2 = (((uint32_t)u0 * UDBM_KORR_FA) / u1)+0.5; // nur mit Integer und 2 Nachkommastellen rechnen |
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407 | udbm_korr_1 = UDBM_KORR_FA; |
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408 | u_max = u0; |
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409 | } |
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410 | eeprom_write_word(&ep_udbm_korr_1, udbm_korr_1); |
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411 | eeprom_write_word(&ep_udbm_korr_2, udbm_korr_2); |
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412 | return(u_max); |
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413 | } |
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414 | |||
415 | void Displ_Calibr_Aktiv(void) |
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416 | { |
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417 | lcdClear(); |
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418 | Disp_Str_mid(Msg(MSG_CALIBRATION),0); |
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419 | Disp_Str_mid(Msg(MSG_RUNNING),1); |
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420 | } |
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421 | |||
422 | void Displ_Error_TX(uint8_t message) |
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423 | { |
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424 | lcdClear(); |
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425 | Disp_Str_mid(Msg(MSG_ERROR),0); |
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426 | Disp_Str_mid(Msg(MSG_TX_NOT),1); |
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427 | Disp_Str_mid(Msg(message), 2); |
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428 | for ( uint8_t i=0; i<=30;i++) |
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429 | _delay_ms(100); |
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430 | } |
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431 | |||
432 | void RSSI_Min_Calibrate(uint16_t *pudbm) |
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433 | { uint16_t u0, u1; |
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434 | |||
435 | Displ_Calibr_Aktiv(); |
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436 | u0 = ADC_Read_Avg(RSSI0, 1000); //1000 Wiederholungen mit |
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437 | u1 = ADC_Read_Avg(RSSI1, 1000); //Mittelwertbildung |
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438 | // Plausibilitätsprüfung ob Sender ausgeschaltet |
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439 | if (u0 + u1 > 500) { |
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440 | udbm_min = RSSI_Calc_Korr(u0, u1); // ist real die größere Spannung, aber der kleinere dbm Wert |
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441 | eeprom_write_word(&ep_udbm_min, udbm_min); |
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442 | Double_Beep(DBEEPWR, DBEEPWRP); |
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443 | RSSI_Calc_UdBm(pudbm); |
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444 | } |
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445 | else Displ_Error_TX(MSG_TX_OFF); |
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446 | } |
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447 | |||
448 | void RSSI_Max_Calibrate(uint16_t *pudbm) |
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449 | { uint16_t u0, u1; |
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450 | |||
451 | Displ_Calibr_Aktiv(); |
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452 | u0 = ADC_Read_Avg(RSSI0, 1000); //1000 Wiederholungen mit |
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453 | u1 = ADC_Read_Avg(RSSI1, 1000); //Mittelwertbildung |
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454 | // Plausibilitätsprüfung ob Sender in der Nähe eingeschaltet |
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455 | if (u0 + u1 < 400) { |
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456 | udbm_max = RSSI_Calc_Korr(u0, u1); // ist real die kleinere Spannung, aber der größere dbm Wert |
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457 | eeprom_write_word(&ep_udbm_max, udbm_max); |
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458 | Double_Beep(DBEEPWR, DBEEPWRP); |
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459 | RSSI_Calc_UdBm(pudbm); |
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460 | } |
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461 | else Displ_Error_TX(MSG_TX_ON); |
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462 | } |
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463 | |||
464 | // Vergleichstabelle für RSSI-Bargraph berechnen, vermeidet laufend gleiche Berechnung |
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465 | void RSSI_Calc_UdBm(uint16_t *pudbm) |
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466 | { uint8_t n; |
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467 | n = (udbm_min - udbm_max -3)/11; // -3 um Ende dBm Skala sicher zu erreichen |
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468 | for (uint8_t i = 0; i < 12; i++) |
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469 | pudbm[i] = (udbm_min - i * n); |
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470 | } |
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471 | |||
472 | void Displ_RSSI_Bargraph(uint16_t *pudbm, uint16_t uadc) |
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473 | { uint8_t i; |
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474 | |||
475 | // Balken zeichnen - udbm |
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476 | for (i = 0; i < 12; i++) |
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477 | if (uadc < pudbm[i]) lcdPutc(0); else lcdPutc(' '); |
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478 | } |
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479 | |||
480 | uint8_t RSSI_Diversity(uint8_t src, uint16_t *pudbm, uint8_t visible) |
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481 | { uint16_t u0, u1; |
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482 | static uint8_t div_flag, ret_div_flag; |
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483 | char marker; |
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484 | |||
485 | u0 = (ADC_Read(RSSI0) * (uint32_t)udbm_korr_1)/UDBM_KORR_FA; |
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486 | u1 = (ADC_Read(RSSI1) * (uint32_t)udbm_korr_2)/UDBM_KORR_FA; |
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487 | |||
488 | // falls beide RX gleich gut/schlecht synchronisieren |
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489 | // Achtung! Niedrigere Spannung - größere Feldstärke |
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490 | if (src == DIVERSITY) { |
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491 | if (u0 < u1) { |
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492 | ret_div_flag = AV1; |
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493 | if ((vscount0 == 255) && (vscount1 == 255)) SET_MUX_0; |
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494 | } |
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495 | else { |
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496 | ret_div_flag = AV2; |
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497 | if ((vscount0 == 255) && (vscount1 == 255)) SET_MUX_1; |
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498 | } |
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499 | } |
||
500 | else ret_div_flag = src; // sonst leerer Returnwert |
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501 | |||
502 | if (visible) { |
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503 | if (src == DIVERSITY) { |
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504 | // Synchronisation vorrangig zur Feldstärke |
||
505 | if ((vsync0 != vsync1) && ((vscount0 & vscount1) < 255)) { |
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506 | // ist nur zur Anzeige - Sync-MUX wird über Interrupt gesteuert |
||
507 | if (vsync0 == 0) { |
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508 | div_flag = AV1; |
||
509 | } |
||
510 | else { |
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511 | div_flag = AV2; |
||
512 | } |
||
513 | marker = MARKER_SYNC; |
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514 | } |
||
515 | else { |
||
516 | div_flag = ret_div_flag; |
||
517 | marker = MARKER_RSSI; |
||
518 | } |
||
519 | } |
||
520 | else marker = MARKER_AV; |
||
521 | // wäre unschön - keine RSSI-Anzeige, aber Marker springt |
||
522 | if ((u0 > pudbm[0]) && (u1 > pudbm[0])) marker = ' '; |
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523 | lcdGotoXY(2, 1); |
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524 | Displ_RSSI_Bargraph(pudbm, u0); |
||
525 | lcdGotoXY(2, 2); |
||
526 | Displ_RSSI_Bargraph(pudbm, u1); |
||
527 | if (src == DIVERSITY) Displ_AV_Mark(div_flag, marker); |
||
528 | } |
||
529 | return(ret_div_flag); |
||
530 | } |
||
531 | |||
532 | /**************************************************************/ |
||
533 | /* */ |
||
534 | /* Diversity v-Synchronisation Interruptroutinen */ |
||
535 | /* */ |
||
536 | /**************************************************************/ |
||
537 | |||
538 | /* Impulszähler für V-Synchronisation 0 und 1 |
||
539 | wird durch Interrupt des jewiligen vSync einzeln zurückgesetzt */ |
||
540 | ISR(TIMER2_OVF_vect) |
||
541 | { |
||
542 | TCNT2 = (int8_t)(int16_t)-(F_CPU / 64 * 500e-6); // preload |
||
543 | if (vscount0 < 255) ++vscount0; // Überlauf von vscount vermeiden |
||
544 | if (vscount1 < 255) ++vscount1; // Überlauf von vscount vermeiden |
||
545 | if (rx_timeout < RX_TIME_OLD) ++rx_timeout; // veranlasst bei GPS-Tracking MK Datensatz senden |
||
546 | } |
||
547 | |||
548 | /* Messung von Impulsabstand v-Synchronisation 0 |
||
549 | Zur Vermeidung von Bildstörunen erfolgt MUX-Umschaltung in Bildaustastung */ |
||
550 | ISR(INT0_vect) |
||
551 | { |
||
552 | if ((vscount0 >= 79) && (vscount0 <= 81)) |
||
553 | vsync0 = 0; |
||
554 | else { |
||
555 | vsync0 = 1; |
||
556 | if (vsync1 == 0) |
||
557 | SET_MUX_1; |
||
558 | } |
||
559 | if (vsync0 == vsync1) { //nur wenn vSynchronisation gleich gut/schlecht ist greift RSSI |
||
560 | if (sw_avx == AV1) { |
||
561 | SET_MUX_0; |
||
562 | } |
||
563 | else |
||
564 | SET_MUX_1; |
||
565 | } |
||
566 | vscount0 = 0; |
||
567 | } |
||
568 | |||
569 | /* Messung von Impulsabstand v-Synchronisation 1 |
||
570 | Zur Vermeidung von Bildstörunen erfolgt MUX-Umschaltung in Bildaustastung */ |
||
571 | ISR(INT1_vect) |
||
572 | { |
||
573 | if ((vscount1 >= 79) && (vscount1 <= 81)) |
||
574 | vsync1 = 0; |
||
575 | else { |
||
576 | vsync1 = 1; |
||
577 | if (vsync0 == 0) |
||
578 | SET_MUX_0; |
||
579 | } |
||
580 | if (vsync0 == vsync1) { //nur wenn vSynchronisation gleich gut/schlecht ist greift RSSI |
||
581 | if (sw_avx == AV1) { |
||
582 | SET_MUX_0; |
||
583 | } |
||
584 | else |
||
585 | SET_MUX_1; |
||
586 | } |
||
587 | vscount1 = 0; |
||
588 | } |
||
589 | |||
590 | /**************************************************************/ |
||
591 | /* */ |
||
592 | /* Tasks */ |
||
593 | /* ermöglicht unterschiedliche Zeiten f. UBat, Sync... */ |
||
594 | /* */ |
||
595 | /**************************************************************/ |
||
596 | |||
597 | void Task_0_1(void) |
||
598 | { |
||
599 | if (task_timer0_1) { |
||
600 | cli(); |
||
601 | task_timer0_1 = 0; |
||
602 | sei(); |
||
603 | Displ_VBat(); |
||
604 | } |
||
605 | } |
||
606 | |||
607 | void Task_0_2(void) |
||
608 | { |
||
609 | if (task_timer0_2) { |
||
610 | cli(); |
||
611 | task_timer0_2 = 0; |
||
612 | sei(); |
||
613 | sw_avx = RSSI_Diversity(av_source, pudbm, bat_low); |
||
614 | } |
||
615 | } |
||
616 | |||
617 | void Task_0_3(void) |
||
618 | { |
||
619 | if (task_timer0_3) { |
||
620 | cli(); |
||
621 | task_timer0_3 = 0; |
||
622 | sei(); |
||
623 | sw_avx = RSSI_Diversity(av_source, pudbm, 0); |
||
624 | if (tracking == TRACKING_MKCOCKPIT) Tracking_MKCockpit(); |
||
625 | } |
||
626 | } |
||
627 | |||
628 | void Task_0_4(void) |
||
629 | { |
||
630 | if (task_timer0_4) { |
||
631 | cli(); |
||
632 | task_timer0_4 = 0; |
||
633 | sei(); |
||
634 | if (tracking == TRACKING_GPS) Tracking_GPS(); |
||
635 | } |
||
636 | } |
||
637 | |||
638 | void Task_0_5(void) |
||
639 | { |
||
640 | lcd_BackgrLight_On(); // muss bei beliebiger Taste sofort eingeschaltet werden |
||
641 | if (task_timer0_5) { |
||
642 | cli(); |
||
643 | task_timer0_5 = 0; |
||
644 | sei(); |
||
645 | lcd_BackgrLight(); |
||
646 | } |
||
647 | } |
||
648 | |||
649 | void Tasks_unvisible(void) |
||
650 | { |
||
651 | Task_0_3(); |
||
652 | Task_0_4(); |
||
653 | Task_0_5(); |
||
654 | if (tracking == TRACKING_RSSI) Tracking_RSSI(); |
||
655 | } |