Revision 1809
Woking version
trunk/code/behaviors/formation_control/circle_spacing/circle_spacing.c | ||
---|---|---|
1 | 1 |
#include <dragonfly_lib.h> |
2 | 2 |
#include <wl_basic.h> |
3 | 3 |
#include<encoders.h> |
4 |
#include "circle_spacing.h" |
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4 | 5 |
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6 |
enum role_e {MASTER,SLAVE}; |
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7 |
enum state_e {INIT, ID, MAPPING, PLANNING, WAIT, SENDING, RECIEVING, FINISH}; |
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5 | 8 |
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9 |
enum role_e role = SLAVE; |
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10 |
enum state_e current_state = INIT; |
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11 |
enum state_e next_state = INIT; |
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12 |
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13 |
int used[17] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; // if a robot is here, the value of the indice equal to its id is 1, esle 0 |
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14 |
int map[17] = {20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20}; // Angular position of the robot which id equals the indice (20 for not here) |
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15 |
int neighbour[17] = {20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20}; // clockwise neighbour |
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16 |
int gap[17] = {20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20,20}; // gap to the left of the robot |
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17 |
int stop = 0; |
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18 |
struct vector slave_position; |
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19 |
int desired_max_bom; |
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20 |
int bom_max_counter; |
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21 |
int robotid; |
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22 |
int centerid = 0; |
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23 |
int robotsRecieved=0; |
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24 |
int target_slave = 0; |
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25 |
|
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26 |
|
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27 |
void set_desired_max_bom(int desired_angle) |
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28 |
{ |
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29 |
if (desired_angle >= 348 || desired_angle < 11) desired_max_bom = 0; |
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30 |
if (desired_angle >= 11 && desired_angle < 33) desired_max_bom = 1; |
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31 |
if (desired_angle >= 33 && desired_angle < 56) desired_max_bom = 2; |
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32 |
if (desired_angle >= 56 && desired_angle < 78) desired_max_bom = 3; |
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33 |
if (desired_angle >= 78 && desired_angle < 101) desired_max_bom = 4; |
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34 |
if (desired_angle >= 101 && desired_angle < 123) desired_max_bom = 5; |
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35 |
if (desired_angle >= 123 && desired_angle < 145) desired_max_bom = 6; |
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36 |
if (desired_angle >= 145 && desired_angle < 167) desired_max_bom = 7; |
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37 |
if (desired_angle >= 167 && desired_angle < 190) desired_max_bom = 8; |
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38 |
if (desired_angle >= 190 && desired_angle < 212) desired_max_bom = 9; |
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39 |
if (desired_angle >= 212 && desired_angle < 235) desired_max_bom = 10; |
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40 |
if (desired_angle >= 235 && desired_angle < 257) desired_max_bom = 11; |
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41 |
if (desired_angle >= 257 && desired_angle < 280) desired_max_bom = 12; |
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42 |
if (desired_angle >= 280 && desired_angle < 302) desired_max_bom = 13; |
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43 |
if (desired_angle >= 302 && desired_angle < 325) desired_max_bom = 14; |
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44 |
if (desired_angle >= 325 && desired_angle < 348) desired_max_bom = 15; |
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45 |
} |
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46 |
|
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47 |
// collects the angular position of the slave robots by making them switch their bom one by one. |
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48 |
|
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49 |
void map_slaves() |
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50 |
{ |
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51 |
int bom_max; |
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52 |
|
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53 |
for(int i=0; i<17; i++) |
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54 |
{ |
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55 |
if(used[i]) |
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56 |
{ |
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57 |
send2(CIRCLE_ACTION_MAP,i); |
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58 |
delay_ms(1000); |
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59 |
|
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60 |
do |
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61 |
{ |
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62 |
bom_refresh(BOM_ALL); |
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63 |
bom_max = bom_get_max(); |
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64 |
} |
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65 |
while(bom_max == -1); |
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66 |
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map[i] = bom_max; |
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send2(CIRCLE_ACTION_DONE,i); |
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} |
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70 |
} |
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71 |
|
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72 |
usb_puts("Map: \r\n"); |
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for(int i=0; i<17; i++) |
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{ |
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usb_puti(map[i]); |
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usb_puts("\r\n"); |
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} |
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78 |
} |
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79 |
|
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void plan() |
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{ |
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82 |
static int k = 0; |
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83 |
|
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84 |
target_slave++; |
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85 |
|
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86 |
if(target_slave>16) |
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87 |
{ |
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next_state = FINISH; |
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orb1_set_color(YELLOW); |
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90 |
} |
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else if(used[target_slave]) |
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{ |
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k++; |
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94 |
usb_puts("K: "); |
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usb_puti(k); |
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96 |
usb_puts("\r\n"); |
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97 |
set_desired_max_bom(360/robotsRecieved*k); |
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send2(CIRCLE_ACTION_MOVE,target_slave); |
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delay_ms(500); |
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100 |
next_state = SENDING; |
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101 |
} |
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102 |
|
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103 |
|
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104 |
} |
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105 |
|
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106 |
void plan2() |
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107 |
{ |
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108 |
int order[robotsRecieved]; |
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int check[17] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; |
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110 |
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111 |
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112 |
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113 |
for(int i=0; i<robotsRecieved; i++) |
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{ |
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115 |
int current; |
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116 |
int min = 20; |
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117 |
for(int j=0; j<17; j++) |
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118 |
{ |
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119 |
if(map[j]<min && !check[j]) |
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120 |
{ |
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current = j; |
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122 |
min = map[j]; |
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123 |
usb_puts("Test \r\n"); |
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124 |
} |
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125 |
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126 |
} |
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127 |
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128 |
order[i]=current; |
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129 |
check[current]=1; |
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130 |
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131 |
usb_puti(i); |
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132 |
usb_puts(" Current: "); |
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133 |
usb_puti(current); |
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134 |
usb_puts("\r\n"); |
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135 |
} |
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136 |
usb_puts("Order: \r\n"); |
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137 |
for(int i=0; i<robotsRecieved; i++) |
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{ usb_puti(i); |
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139 |
usb_puts(" "); |
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140 |
usb_puti(order[i]); |
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141 |
usb_puts("\r\n"); |
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142 |
} |
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143 |
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144 |
for(int i=0; i<robotsRecieved; i++) |
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145 |
{ |
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146 |
if(i==robotsRecieved-1) gap[order[i]]= map[order[0]] - map[order[i]] +16; // closes the loop |
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147 |
else gap[order[i]]= map[order[i+1]] - map[order[i]]; |
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148 |
} |
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149 |
|
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150 |
usb_puts("Gap: \r\n"); |
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151 |
for(int i=0; i<17; i++) |
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152 |
{ |
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153 |
usb_puti(gap[i]); |
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154 |
usb_puts("\r\n"); |
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155 |
} |
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156 |
|
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157 |
for(int i=0; i<robotsRecieved; i++) |
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158 |
{ |
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159 |
if(i==0) neighbour[order[i]]=order[robotsRecieved-1]; |
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160 |
else neighbour[order[i]]=order[i-1]; |
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161 |
|
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162 |
} |
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163 |
|
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164 |
usb_puts("Neighbour: \r\n"); |
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165 |
for(int i=0; i<17; i++) |
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166 |
{ |
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167 |
usb_puti(neighbour[i]); |
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168 |
usb_puts("\r\n"); |
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169 |
} |
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170 |
} |
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171 |
|
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172 |
void plan3() |
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173 |
{ |
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174 |
static int move_counter =0; |
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175 |
int max = 0; |
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176 |
int move_gap = 0; |
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177 |
|
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178 |
for(int j=0; j<17; j++) |
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179 |
{ |
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180 |
if(gap[j]>max && gap[j]!=20) |
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181 |
{ |
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182 |
target_slave = j; |
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183 |
max = gap[j]; |
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184 |
} |
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185 |
|
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186 |
} |
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187 |
|
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188 |
move_counter++; |
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189 |
if(move_counter==robotsRecieved) next_state = FINISH; |
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190 |
else |
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191 |
{ |
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192 |
move_gap = gap[target_slave]-16/robotsRecieved; |
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193 |
desired_max_bom = map[target_slave]+move_gap; |
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194 |
if(desired_max_bom>15) desired_max_bom-=16; |
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195 |
gap[target_slave]-=move_gap; |
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196 |
gap[neighbour[target_slave]] += move_gap; |
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197 |
usb_puts("Target:"); |
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198 |
usb_puti(target_slave); |
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199 |
usb_puts(" Destination:"); |
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200 |
usb_puti(desired_max_bom); |
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201 |
usb_puts("\n\r"); |
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202 |
send2(CIRCLE_ACTION_MOVE,target_slave); |
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203 |
delay_ms(500); |
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204 |
next_state = SENDING; |
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205 |
} |
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206 |
} |
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207 |
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208 |
|
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209 |
void switch_state () |
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210 |
{ |
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211 |
switch(role) |
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212 |
{ |
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213 |
case MASTER: |
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214 |
switch(current_state) |
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215 |
{ |
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216 |
case PLANNING: |
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217 |
orb1_set_color(RED); |
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218 |
break; |
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219 |
case SENDING: |
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220 |
bom_off(); |
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221 |
break; |
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222 |
} |
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223 |
|
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224 |
|
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225 |
|
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226 |
switch(next_state) |
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227 |
{ |
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228 |
case ID: |
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229 |
send2(CIRCLE_ACTION_EXIST,robotid); |
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230 |
break; |
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231 |
|
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232 |
case MAPPING: |
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233 |
map_slaves(); |
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234 |
plan2(); |
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235 |
break; |
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236 |
|
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237 |
case PLANNING: |
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238 |
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239 |
orb1_set_color(PINK); |
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240 |
|
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241 |
break; |
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242 |
|
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243 |
case SENDING: |
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244 |
bom_on(); |
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245 |
break; |
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246 |
|
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247 |
case RECIEVING: |
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248 |
break; |
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249 |
} |
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250 |
break; |
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251 |
|
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252 |
case SLAVE: |
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253 |
switch(current_state) |
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254 |
{ |
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255 |
case SENDING: |
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256 |
bom_off(); |
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257 |
break; |
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258 |
|
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259 |
} |
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260 |
|
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261 |
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262 |
|
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263 |
switch(next_state) |
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264 |
{ |
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265 |
case ID: |
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266 |
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267 |
break; |
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268 |
|
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269 |
case MAPPING: |
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270 |
orb1_set_color(PINK); |
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271 |
break; |
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272 |
|
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273 |
case SENDING: |
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274 |
bom_on(); |
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275 |
break; |
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276 |
|
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277 |
case RECIEVING: |
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278 |
bom_off(); |
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279 |
break; |
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280 |
case FINISH: |
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281 |
motor_l_set(FORWARD,0); |
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282 |
motor_r_set(FORWARD,0); |
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283 |
orb1_set_color(YELLOW); |
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284 |
break; |
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285 |
} |
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286 |
break; |
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287 |
} |
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288 |
|
|
289 |
|
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290 |
current_state = next_state; |
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291 |
} |
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292 |
|
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293 |
|
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294 |
void send2(char arg0, char arg1) |
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295 |
{ |
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296 |
char send_buffer[2]; |
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297 |
send_buffer[0]=arg0; |
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298 |
send_buffer[1]=arg1; |
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299 |
wl_basic_send_global_packet(42,send_buffer,2); |
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300 |
} |
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301 |
|
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302 |
|
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303 |
int main(void) |
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304 |
{ |
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305 |
|
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306 |
|
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307 |
int sending_counter = 0; |
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308 |
int waitingCounter=0; |
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309 |
int max_bom; |
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310 |
|
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311 |
/* Initialize dragonfly board */ |
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312 |
|
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313 |
dragonfly_init(ALL_ON); |
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314 |
xbee_init(); |
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315 |
wl_basic_init_default(); |
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316 |
wl_set_channel(12); |
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317 |
int data_length; |
|
318 |
unsigned char *packet_data; |
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319 |
char send_buffer[2]; |
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320 |
|
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321 |
|
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322 |
robotid = get_robotid(); |
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323 |
|
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324 |
if(wheel()>100) |
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325 |
{ |
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326 |
role = MASTER; |
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327 |
} |
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328 |
|
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329 |
|
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330 |
if(role == MASTER) {orb2_set_color(RED); set_desired_max_bom(30);} |
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331 |
else orb2_set_color(BLUE); |
|
332 |
|
|
333 |
|
|
334 |
while(1) |
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335 |
{ |
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336 |
|
|
337 |
|
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338 |
bom_refresh(BOM_ALL); |
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339 |
|
|
340 |
|
|
341 |
if(current_state != next_state) switch_state(); |
|
342 |
|
|
343 |
|
|
344 |
switch(role) |
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345 |
|
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346 |
{ |
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347 |
case MASTER: |
|
348 |
|
|
349 |
|
|
350 |
switch(current_state) |
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351 |
{ |
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352 |
case INIT: |
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353 |
next_state = ID; |
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354 |
break; |
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355 |
case ID: |
|
356 |
|
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357 |
waitingCounter++; |
|
358 |
|
|
359 |
|
|
360 |
if(packet_data!=0 && data_length>=2 && packet_data[0]==CIRCLE_ACTION_ACK) |
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361 |
{ |
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362 |
|
|
363 |
//only add to robots seen if you haven't gotten an ACK from this robot |
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364 |
if(used[packet_data[1]]==0) |
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365 |
{ |
|
366 |
robotsRecieved++; |
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367 |
used[packet_data[1]] = 1; |
|
368 |
|
|
369 |
usb_puts("Added: "); |
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370 |
usb_puti(packet_data[1]); |
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371 |
usb_puts("\r\n"); |
|
372 |
} |
|
373 |
|
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374 |
// NEW: sends a packet to each robot it receives telling them to be done. |
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375 |
send2(CIRCLE_ACTION_GOTYOU,packet_data[1]); |
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376 |
} |
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377 |
if(waitingCounter >= 300){ |
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378 |
next_state = MAPPING; |
|
379 |
} |
|
380 |
break; |
|
381 |
|
|
382 |
case MAPPING: |
|
383 |
|
|
384 |
next_state = PLANNING; |
|
385 |
break; |
|
386 |
|
|
387 |
case PLANNING: |
|
388 |
plan3(); |
|
389 |
break; |
|
390 |
|
|
391 |
case SENDING: |
|
392 |
|
|
393 |
if(sending_counter++>4) // clock for switching the BOMs between the master and slave |
|
394 |
{ |
|
395 |
next_state = RECIEVING; |
|
396 |
sending_counter = 0; |
|
397 |
send2(CIRCLE_ACTION_CHANGE,target_slave); |
|
398 |
} |
|
399 |
break; |
|
400 |
|
|
401 |
case RECIEVING: |
|
402 |
|
|
403 |
if(sending_counter++>4) // clock for switching the BOMs between the master and slave |
|
404 |
{ |
|
405 |
next_state = SENDING; |
|
406 |
sending_counter = 0; |
|
407 |
send2(CIRCLE_ACTION_CHANGE,target_slave); |
|
408 |
} |
|
409 |
|
|
410 |
max_bom = bom_get_max(); |
|
411 |
//usb_puts("bom_get_max : "); |
|
412 |
//usb_puti(max_bom); |
|
413 |
//usb_puts("\n\r"); |
|
414 |
|
|
415 |
if(max_bom == desired_max_bom) |
|
416 |
{ |
|
417 |
bom_max_counter ++; |
|
418 |
if(bom_max_counter>2) // only stops the slave if two consecutive boms reading give the desired bom as the max one. Filters the noise. |
|
419 |
{ |
|
420 |
send2(CIRCLE_ACTION_STOP,target_slave); |
|
421 |
next_state = PLANNING; |
|
422 |
bom_max_counter = 0; |
|
423 |
} |
|
424 |
|
|
425 |
} |
|
426 |
else bom_max_counter = 0; |
|
427 |
break; |
|
428 |
|
|
429 |
} |
|
430 |
|
|
431 |
break; |
|
432 |
|
|
433 |
|
|
434 |
|
|
435 |
case SLAVE: |
|
436 |
|
|
437 |
if(packet_data != 0 && data_length>=2 && packet_data[0]==CIRCLE_ACTION_STOP && packet_data[1] == robotid) next_state = FINISH; |
|
438 |
|
|
439 |
|
|
440 |
|
|
441 |
switch(current_state) |
|
442 |
{ |
|
443 |
case INIT: |
|
444 |
next_state = ID; |
|
445 |
break; |
|
446 |
|
|
447 |
case ID: |
|
448 |
|
|
449 |
if(packet_data != 0 && data_length>=2 && packet_data[0]==CIRCLE_ACTION_EXIST) |
|
450 |
{ |
|
451 |
centerid = packet_data[1]; |
|
452 |
|
|
453 |
send2(CIRCLE_ACTION_ACK,robotid); |
|
454 |
|
|
455 |
next_state = MAPPING; |
|
456 |
|
|
457 |
} |
|
458 |
break; |
|
459 |
|
|
460 |
case MAPPING: |
|
461 |
|
|
462 |
if(packet_data != 0 && data_length>=2 && packet_data[0]==CIRCLE_ACTION_MAP && packet_data[1] == robotid) |
|
463 |
{ |
|
464 |
bom_on(); |
|
465 |
} |
|
466 |
if(packet_data != 0 && data_length>=2 && packet_data[0]==CIRCLE_ACTION_DONE && packet_data[1] == robotid) |
|
467 |
{ |
|
468 |
bom_off(); |
|
469 |
next_state = PLANNING; |
|
470 |
} |
|
471 |
|
|
472 |
case PLANNING: |
|
473 |
if(packet_data != 0 && data_length>=2 && packet_data[0]==CIRCLE_ACTION_MOVE && packet_data[1] == robotid) |
|
474 |
{ |
|
475 |
next_state = RECIEVING; |
|
476 |
} |
|
477 |
break; |
|
478 |
|
|
479 |
case SENDING: |
|
480 |
if(packet_data != 0 && data_length>=2 && packet_data[0]==CIRCLE_ACTION_CHANGE && packet_data[1] == robotid) |
|
481 |
next_state = RECIEVING; |
|
482 |
break; |
|
483 |
|
|
484 |
case RECIEVING: |
|
485 |
|
|
486 |
if(packet_data != 0 && data_length>=2 && packet_data[0]==CIRCLE_ACTION_CHANGE && packet_data[1] == robotid) |
|
487 |
next_state = SENDING; |
|
488 |
|
|
489 |
if(stop) |
|
490 |
{ |
|
491 |
motor_l_set(FORWARD,0); |
|
492 |
motor_r_set(FORWARD,0); |
|
493 |
orb1_set_color(GREEN); |
|
494 |
} |
|
495 |
|
|
496 |
else |
|
497 |
{ |
|
498 |
max_bom = bom_get_max(); |
|
499 |
/*usb_puts("bom_get_max : "); |
|
500 |
usb_puti(max_bom); |
|
501 |
usb_puts("/n/r");*/ |
|
502 |
|
|
503 |
|
|
504 |
if(max_bom == 8) |
|
505 |
{ |
|
506 |
orb2_set_color(BLUE); |
|
507 |
motor_r_set(FORWARD,180); |
|
508 |
motor_l_set(FORWARD,180); |
|
509 |
|
|
510 |
} |
|
511 |
else if(max_bom == 7 || max_bom == 6 || max_bom == 5) |
|
512 |
{ |
|
513 |
motor_l_set(FORWARD,180); |
|
514 |
motor_r_set(FORWARD,0); |
|
515 |
} |
|
516 |
else if(max_bom == -1); |
|
517 |
else |
|
518 |
{ |
|
519 |
orb2_set_color(GREEN); |
|
520 |
motor_l_set(FORWARD,0); |
|
521 |
motor_r_set(FORWARD,180); |
|
522 |
} |
|
523 |
} |
|
524 |
break; |
|
525 |
|
|
526 |
} |
|
527 |
|
|
528 |
break; |
|
529 |
} |
|
530 |
|
|
531 |
packet_data = wl_basic_do_default(&data_length); |
|
532 |
delay_ms(10); |
|
533 |
} |
|
534 |
|
|
535 |
|
|
536 |
return 0; |
|
537 |
|
|
538 |
|
|
539 |
|
|
540 |
|
|
541 |
} |
|
542 |
|
|
543 |
|
|
544 |
|
|
545 |
|
|
546 |
|
|
547 |
|
|
548 |
|
|
549 |
|
|
550 |
|
|
551 |
|
|
552 |
|
|
553 |
|
|
554 |
|
|
555 |
|
|
556 |
|
|
557 |
|
|
558 |
|
|
559 |
|
|
560 |
|
|
561 |
|
|
562 |
|
|
563 |
|
|
564 |
|
|
565 |
|
|
566 |
|
|
567 |
|
|
568 |
|
|
569 |
|
|
570 |
|
|
571 |
|
|
572 |
|
|
573 |
|
|
574 |
|
|
575 |
|
|
576 |
/* |
|
577 |
|
|
578 |
|
|
579 |
// Code working for a single slave orbiting around the master, with only one direction (tested on 07.04.2010) |
|
580 |
|
|
581 |
|
|
582 |
#include <dragonfly_lib.h> |
|
583 |
#include <wl_basic.h> |
|
584 |
#include<encoders.h> |
|
585 |
|
|
586 |
|
|
6 | 587 |
int master = 0; |
7 | 588 |
int sending = 0; |
8 | 589 |
int stop = 0; |
... | ... | |
59 | 640 |
|
60 | 641 |
int sending_counter = 0; |
61 | 642 |
|
62 |
/* Initialize dragonfly board */
|
|
643 |
// Initialize dragonfly board
|
|
63 | 644 |
|
64 | 645 |
dragonfly_init(ALL_ON); |
65 | 646 |
xbee_init(); |
... | ... | |
70 | 651 |
char send_buffer[2]; |
71 | 652 |
|
72 | 653 |
|
654 |
if(wheel()>100) |
|
655 |
{ |
|
656 |
master = 1; |
|
657 |
} |
|
658 |
|
|
659 |
|
|
73 | 660 |
if(master) {orb1_set_color(RED); set_desired_max_bom(30);} |
74 | 661 |
else orb1_set_color(BLUE); |
75 | 662 |
|
... | ... | |
151 | 738 |
else |
152 | 739 |
{ |
153 | 740 |
int max_bom = bom_get_max(); |
154 |
/*usb_puts("bom_get_max : "); |
|
155 |
usb_puti(max_bom); |
|
156 |
usb_puts("/n/r");*/ |
|
741 |
|
|
157 | 742 |
|
158 | 743 |
|
159 | 744 |
if(max_bom == 8) |
... | ... | |
197 | 782 |
|
198 | 783 |
|
199 | 784 |
|
785 |
*/ |
|
200 | 786 |
|
201 |
|
|
202 |
|
trunk/code/behaviors/formation_control/circle_spacing/Makefile | ||
---|---|---|
11 | 11 |
USE_WIRELESS = 1 |
12 | 12 |
|
13 | 13 |
# com1 = serial port. Use lpt1 to connect to parallel port. |
14 |
AVRDUDE_PORT = $(shell if uname -s |grep -i w32 >/dev/null; then echo 'COM7:'; else echo '/dev/ttyUSB0'; fi)
|
|
14 |
AVRDUDE_PORT = $(shell if uname -s |grep -i w32 >/dev/null; then echo 'COM4:'; else echo '/dev/ttyUSB0'; fi)
|
|
15 | 15 |
|
16 | 16 |
else |
17 | 17 |
COLONYROOT := ../$(COLONYROOT) |
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