Yan Wang
/
SingleLoop
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main.cpp@0:7e2659f4155c, 2010-11-30 (annotated)
- Committer:
- phyllis
- Date:
- Tue Nov 30 22:13:29 2010 +0000
- Revision:
- 0:7e2659f4155c
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| phyllis | 0:7e2659f4155c | 1 | #include "mbed.h" |
| phyllis | 0:7e2659f4155c | 2 | |
| phyllis | 0:7e2659f4155c | 3 | char* readstring(char* add); |
| phyllis | 0:7e2659f4155c | 4 | int touchSense( ); |
| phyllis | 0:7e2659f4155c | 5 | char readkey( ); |
| phyllis | 0:7e2659f4155c | 6 | |
| phyllis | 0:7e2659f4155c | 7 | Serial pc(USBTX, USBRX); |
| phyllis | 0:7e2659f4155c | 8 | AnalogIn input0(p20); |
| phyllis | 0:7e2659f4155c | 9 | AnalogIn input1(p17); |
| phyllis | 0:7e2659f4155c | 10 | DigitalIn charger0(p19); |
| phyllis | 0:7e2659f4155c | 11 | DigitalIn charger1(p16); |
| phyllis | 0:7e2659f4155c | 12 | DigitalOut ground0(p18); |
| phyllis | 0:7e2659f4155c | 13 | DigitalOut ground1(p15); |
| phyllis | 0:7e2659f4155c | 14 | |
| phyllis | 0:7e2659f4155c | 15 | int main() { |
| phyllis | 0:7e2659f4155c | 16 | char hstr[100]; |
| phyllis | 0:7e2659f4155c | 17 | char ustr[100]; |
| phyllis | 0:7e2659f4155c | 18 | char* sadd = &hstr[0]; |
| phyllis | 0:7e2659f4155c | 19 | char* eadd; |
| phyllis | 0:7e2659f4155c | 20 | char key; |
| phyllis | 0:7e2659f4155c | 21 | int len, i, j; |
| phyllis | 0:7e2659f4155c | 22 | eadd = readstring(sadd); |
| phyllis | 0:7e2659f4155c | 23 | len = eadd - sadd; |
| phyllis | 0:7e2659f4155c | 24 | for (i = 0; i <= len; i++) |
| phyllis | 0:7e2659f4155c | 25 | pc.printf("%c", hstr[i]); |
| phyllis | 0:7e2659f4155c | 26 | pc.printf("\n"); |
| phyllis | 0:7e2659f4155c | 27 | for (i = 0; i <= len; i++){ |
| phyllis | 0:7e2659f4155c | 28 | while (1){ |
| phyllis | 0:7e2659f4155c | 29 | key = readkey( ); |
| phyllis | 0:7e2659f4155c | 30 | if (key == 'e') |
| phyllis | 0:7e2659f4155c | 31 | pc.printf("TOUCH ERROR!"); |
| phyllis | 0:7e2659f4155c | 32 | else if ( key == '0' || key == '1') |
| phyllis | 0:7e2659f4155c | 33 | break; |
| phyllis | 0:7e2659f4155c | 34 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 35 | } |
| phyllis | 0:7e2659f4155c | 36 | pc.printf("%c\n", key); |
| phyllis | 0:7e2659f4155c | 37 | ustr[i] = key; |
| phyllis | 0:7e2659f4155c | 38 | } |
| phyllis | 0:7e2659f4155c | 39 | i = len; |
| phyllis | 0:7e2659f4155c | 40 | while (1){ |
| phyllis | 0:7e2659f4155c | 41 | for (j = 0; j<= len; j++){ |
| phyllis | 0:7e2659f4155c | 42 | if (hstr[j] != ustr[(i+j+1) % (len+1)]) |
| phyllis | 0:7e2659f4155c | 43 | break; |
| phyllis | 0:7e2659f4155c | 44 | } |
| phyllis | 0:7e2659f4155c | 45 | if (j == len+1) |
| phyllis | 0:7e2659f4155c | 46 | pc.printf("MATCH!"); |
| phyllis | 0:7e2659f4155c | 47 | if ( i == len ) |
| phyllis | 0:7e2659f4155c | 48 | i = 0; |
| phyllis | 0:7e2659f4155c | 49 | else |
| phyllis | 0:7e2659f4155c | 50 | i++; |
| phyllis | 0:7e2659f4155c | 51 | while (1){ |
| phyllis | 0:7e2659f4155c | 52 | key = readkey( ); |
| phyllis | 0:7e2659f4155c | 53 | if (key == 'e') |
| phyllis | 0:7e2659f4155c | 54 | pc.printf("TOUCH ERROR!"); |
| phyllis | 0:7e2659f4155c | 55 | else if ( key == '0' || key == '1') |
| phyllis | 0:7e2659f4155c | 56 | break; |
| phyllis | 0:7e2659f4155c | 57 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 58 | } |
| phyllis | 0:7e2659f4155c | 59 | pc.printf("%c\n", key); |
| phyllis | 0:7e2659f4155c | 60 | ustr[i] = key; |
| phyllis | 0:7e2659f4155c | 61 | } |
| phyllis | 0:7e2659f4155c | 62 | } |
| phyllis | 0:7e2659f4155c | 63 | |
| phyllis | 0:7e2659f4155c | 64 | char* readstring(char* add) |
| phyllis | 0:7e2659f4155c | 65 | { |
| phyllis | 0:7e2659f4155c | 66 | char x; |
| phyllis | 0:7e2659f4155c | 67 | int flag = 0; |
| phyllis | 0:7e2659f4155c | 68 | while(1){ |
| phyllis | 0:7e2659f4155c | 69 | if (pc.readable()){ |
| phyllis | 0:7e2659f4155c | 70 | x = pc.getc(); |
| phyllis | 0:7e2659f4155c | 71 | if (x=='S' && flag == 0) |
| phyllis | 0:7e2659f4155c | 72 | flag = 1; |
| phyllis | 0:7e2659f4155c | 73 | else if (x=='E' && flag==1){ |
| phyllis | 0:7e2659f4155c | 74 | flag = 0; |
| phyllis | 0:7e2659f4155c | 75 | break; |
| phyllis | 0:7e2659f4155c | 76 | } |
| phyllis | 0:7e2659f4155c | 77 | else if (flag==1){ |
| phyllis | 0:7e2659f4155c | 78 | if (x=='1' || x=='0'){ |
| phyllis | 0:7e2659f4155c | 79 | *add = x; |
| phyllis | 0:7e2659f4155c | 80 | add++; |
| phyllis | 0:7e2659f4155c | 81 | } |
| phyllis | 0:7e2659f4155c | 82 | else |
| phyllis | 0:7e2659f4155c | 83 | pc.printf("HOST ERROR!\n"); |
| phyllis | 0:7e2659f4155c | 84 | } |
| phyllis | 0:7e2659f4155c | 85 | } |
| phyllis | 0:7e2659f4155c | 86 | } |
| phyllis | 0:7e2659f4155c | 87 | return add-1; |
| phyllis | 0:7e2659f4155c | 88 | } |
| phyllis | 0:7e2659f4155c | 89 | |
| phyllis | 0:7e2659f4155c | 90 | int touchSense( ) |
| phyllis | 0:7e2659f4155c | 91 | { |
| phyllis | 0:7e2659f4155c | 92 | float sample0, sample1; |
| phyllis | 0:7e2659f4155c | 93 | ground0=0; |
| phyllis | 0:7e2659f4155c | 94 | ground1=0; |
| phyllis | 0:7e2659f4155c | 95 | charger0.mode(PullUp); |
| phyllis | 0:7e2659f4155c | 96 | charger1.mode(PullUp); |
| phyllis | 0:7e2659f4155c | 97 | charger0.mode(PullNone); |
| phyllis | 0:7e2659f4155c | 98 | charger1.mode(PullNone); |
| phyllis | 0:7e2659f4155c | 99 | sample0 = input0.read(); |
| phyllis | 0:7e2659f4155c | 100 | sample1 = input1.read(); |
| phyllis | 0:7e2659f4155c | 101 | if (sample0 < 0.3 && sample1 < 0.3) |
| phyllis | 0:7e2659f4155c | 102 | return 2; |
| phyllis | 0:7e2659f4155c | 103 | else if (sample0 < 0.3) |
| phyllis | 0:7e2659f4155c | 104 | return 0; |
| phyllis | 0:7e2659f4155c | 105 | else if (sample1 < 0.3) |
| phyllis | 0:7e2659f4155c | 106 | return 1; |
| phyllis | 0:7e2659f4155c | 107 | else |
| phyllis | 0:7e2659f4155c | 108 | return -1; |
| phyllis | 0:7e2659f4155c | 109 | } |
| phyllis | 0:7e2659f4155c | 110 | |
| phyllis | 0:7e2659f4155c | 111 | char readkey( ) |
| phyllis | 0:7e2659f4155c | 112 | { |
| phyllis | 0:7e2659f4155c | 113 | int T = -1; |
| phyllis | 0:7e2659f4155c | 114 | char key = 'n'; |
| phyllis | 0:7e2659f4155c | 115 | |
| phyllis | 0:7e2659f4155c | 116 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 117 | if (T==0) { |
| phyllis | 0:7e2659f4155c | 118 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 119 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 120 | if (T==0){ |
| phyllis | 0:7e2659f4155c | 121 | while (1){ |
| phyllis | 0:7e2659f4155c | 122 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 123 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 124 | if (T==-1){ |
| phyllis | 0:7e2659f4155c | 125 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 126 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 127 | if (T==-1){ |
| phyllis | 0:7e2659f4155c | 128 | key = '0'; |
| phyllis | 0:7e2659f4155c | 129 | break; |
| phyllis | 0:7e2659f4155c | 130 | } |
| phyllis | 0:7e2659f4155c | 131 | } |
| phyllis | 0:7e2659f4155c | 132 | else if (T==2) |
| phyllis | 0:7e2659f4155c | 133 | break; |
| phyllis | 0:7e2659f4155c | 134 | } |
| phyllis | 0:7e2659f4155c | 135 | } |
| phyllis | 0:7e2659f4155c | 136 | } |
| phyllis | 0:7e2659f4155c | 137 | else if (T==1){ |
| phyllis | 0:7e2659f4155c | 138 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 139 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 140 | if (T==1){ |
| phyllis | 0:7e2659f4155c | 141 | while (1){ |
| phyllis | 0:7e2659f4155c | 142 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 143 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 144 | if (T==-1){ |
| phyllis | 0:7e2659f4155c | 145 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 146 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 147 | if (T==-1){ |
| phyllis | 0:7e2659f4155c | 148 | key = '1'; |
| phyllis | 0:7e2659f4155c | 149 | break; |
| phyllis | 0:7e2659f4155c | 150 | } |
| phyllis | 0:7e2659f4155c | 151 | } |
| phyllis | 0:7e2659f4155c | 152 | else if (T==2) |
| phyllis | 0:7e2659f4155c | 153 | break; |
| phyllis | 0:7e2659f4155c | 154 | } |
| phyllis | 0:7e2659f4155c | 155 | } |
| phyllis | 0:7e2659f4155c | 156 | } |
| phyllis | 0:7e2659f4155c | 157 | else if (T==-1) |
| phyllis | 0:7e2659f4155c | 158 | key = 'n'; |
| phyllis | 0:7e2659f4155c | 159 | if (T==2){ |
| phyllis | 0:7e2659f4155c | 160 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 161 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 162 | if (T==2){ |
| phyllis | 0:7e2659f4155c | 163 | while (1){ |
| phyllis | 0:7e2659f4155c | 164 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 165 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 166 | if (T==-1){ |
| phyllis | 0:7e2659f4155c | 167 | wait(0.005); |
| phyllis | 0:7e2659f4155c | 168 | T = touchSense(); |
| phyllis | 0:7e2659f4155c | 169 | if (T==-1){ |
| phyllis | 0:7e2659f4155c | 170 | key = 'e'; |
| phyllis | 0:7e2659f4155c | 171 | break; |
| phyllis | 0:7e2659f4155c | 172 | } |
| phyllis | 0:7e2659f4155c | 173 | } |
| phyllis | 0:7e2659f4155c | 174 | } |
| phyllis | 0:7e2659f4155c | 175 | } |
| phyllis | 0:7e2659f4155c | 176 | } |
| phyllis | 0:7e2659f4155c | 177 | return key; |
| phyllis | 0:7e2659f4155c | 178 | } |