Station API
GMCounter.h@5:3df13e2e928e, 2011-12-22 (annotated)
- Committer:
- yamaguch
- Date:
- Thu Dec 22 02:08:01 2011 +0000
- Revision:
- 5:3df13e2e928e
- Parent:
- 4:ed5993d82ceb
added #include \"Utils.h\"
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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yamaguch | 1:a22e390c70b3 | 1 | /* |
yamaguch | 1:a22e390c70b3 | 2 | Copyright (c) 2011, Senio Networks, Inc. |
yamaguch | 1:a22e390c70b3 | 3 | |
yamaguch | 1:a22e390c70b3 | 4 | Permission is hereby granted, free of charge, to any person obtaining a copy |
yamaguch | 1:a22e390c70b3 | 5 | of this software and associated documentation files (the "Software"), to deal |
yamaguch | 1:a22e390c70b3 | 6 | in the Software without restriction, including without limitation the rights |
yamaguch | 1:a22e390c70b3 | 7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
yamaguch | 1:a22e390c70b3 | 8 | copies of the Software, and to permit persons to whom the Software is |
yamaguch | 1:a22e390c70b3 | 9 | furnished to do so, subject to the following conditions: |
yamaguch | 1:a22e390c70b3 | 10 | |
yamaguch | 1:a22e390c70b3 | 11 | The above copyright notice and this permission notice shall be included in |
yamaguch | 1:a22e390c70b3 | 12 | all copies or substantial portions of the Software. |
yamaguch | 1:a22e390c70b3 | 13 | |
yamaguch | 1:a22e390c70b3 | 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
yamaguch | 1:a22e390c70b3 | 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
yamaguch | 1:a22e390c70b3 | 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
yamaguch | 1:a22e390c70b3 | 17 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
yamaguch | 1:a22e390c70b3 | 18 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
yamaguch | 1:a22e390c70b3 | 19 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
yamaguch | 1:a22e390c70b3 | 20 | THE SOFTWARE. |
yamaguch | 1:a22e390c70b3 | 21 | */ |
yamaguch | 1:a22e390c70b3 | 22 | |
yamaguch | 1:a22e390c70b3 | 23 | #ifndef GMCOUNTER_H |
yamaguch | 1:a22e390c70b3 | 24 | #define GMCOUNTER_H |
yamaguch | 1:a22e390c70b3 | 25 | |
yamaguch | 1:a22e390c70b3 | 26 | #include "mbed.h" |
yamaguch | 4:ed5993d82ceb | 27 | #include "Utils.h" |
yamaguch | 1:a22e390c70b3 | 28 | |
yamaguch | 1:a22e390c70b3 | 29 | /** |
yamaguch | 1:a22e390c70b3 | 30 | * class for Geiger Mueller Counter |
yamaguch | 1:a22e390c70b3 | 31 | */ |
yamaguch | 1:a22e390c70b3 | 32 | class GMCounter { |
yamaguch | 1:a22e390c70b3 | 33 | public: |
yamaguch | 1:a22e390c70b3 | 34 | /** |
yamaguch | 2:a9d1a9c92927 | 35 | * Constructor |
yamaguch | 1:a22e390c70b3 | 36 | * |
yamaguch | 1:a22e390c70b3 | 37 | * @param gmcPin pin for GMC input |
yamaguch | 1:a22e390c70b3 | 38 | * @param buzzerPin pin for buzzer output |
yamaguch | 1:a22e390c70b3 | 39 | * @param ledPin pin for LED output |
yamaguch | 2:a9d1a9c92927 | 40 | * @param cpm2usv conversion ratio of CPM to uSv |
yamaguch | 2:a9d1a9c92927 | 41 | * @param buzzerEnabled if true enable buzzer |
yamaguch | 2:a9d1a9c92927 | 42 | * @param ledEnabled if true enable LED |
yamaguch | 1:a22e390c70b3 | 43 | */ |
yamaguch | 2:a9d1a9c92927 | 44 | GMCounter(PinName gmcPin, PinName buzzerPin, PinName ledPin, float cpm2usv = 1.0F / 120, bool buzzerEnabled = true, bool ledEnabled = true) |
yamaguch | 2:a9d1a9c92927 | 45 | : interrupt(gmcPin), buzzer(buzzerPin), led(ledPin), cpm2usv(cpm2usv), buzzerEnabled(buzzerEnabled), ledEnabled(ledEnabled), |
yamaguch | 2:a9d1a9c92927 | 46 | counter(0), index(0), index60(0), elapsed(0) { |
yamaguch | 1:a22e390c70b3 | 47 | memset(count, 0, sizeof(count)); |
yamaguch | 1:a22e390c70b3 | 48 | memset(count60, 0, sizeof(count60)); |
yamaguch | 1:a22e390c70b3 | 49 | ticker.attach(this, &GMCounter::tickerHandler, 1); |
yamaguch | 1:a22e390c70b3 | 50 | ticker60.attach(this, &GMCounter::ticker60Handler, 60); |
yamaguch | 1:a22e390c70b3 | 51 | interrupt.rise(this, &GMCounter::interruptHandler); |
yamaguch | 1:a22e390c70b3 | 52 | } |
yamaguch | 1:a22e390c70b3 | 53 | |
yamaguch | 1:a22e390c70b3 | 54 | /** |
yamaguch | 2:a9d1a9c92927 | 55 | * creates an GMCounter object |
yamaguch | 2:a9d1a9c92927 | 56 | * |
yamaguch | 2:a9d1a9c92927 | 57 | * @param gmcPin pin for GMC input |
yamaguch | 2:a9d1a9c92927 | 58 | * @param buzzerPin pin for buzzer output |
yamaguch | 2:a9d1a9c92927 | 59 | * @param ledPin pin for LED output |
yamaguch | 2:a9d1a9c92927 | 60 | * @param filename name of the config file |
yamaguch | 2:a9d1a9c92927 | 61 | * @param verbose if true display debug info |
yamaguch | 2:a9d1a9c92927 | 62 | * |
yamaguch | 2:a9d1a9c92927 | 63 | * @returns GMCounter object |
yamaguch | 2:a9d1a9c92927 | 64 | */ |
yamaguch | 2:a9d1a9c92927 | 65 | static GMCounter create(PinName gmcPin, PinName buzzerPin, PinName ledPin, char *filename, bool verbose = false) { |
yamaguch | 2:a9d1a9c92927 | 66 | bool buzzerEnabled = true, ledEnabled = true; |
yamaguch | 2:a9d1a9c92927 | 67 | float cpm2usv = 1.0F / 120; |
yamaguch | 2:a9d1a9c92927 | 68 | |
yamaguch | 2:a9d1a9c92927 | 69 | if (filename) { |
yamaguch | 2:a9d1a9c92927 | 70 | char path[32]; |
yamaguch | 2:a9d1a9c92927 | 71 | LocalFileSystem local("local"); |
yamaguch | 2:a9d1a9c92927 | 72 | sprintf(path, "/local/%s", filename); |
yamaguch | 2:a9d1a9c92927 | 73 | if (FILE *fp = fopen(path, "r")) { |
yamaguch | 2:a9d1a9c92927 | 74 | Utils::fgetValues(fp, "set-buzzer:%d", &buzzerEnabled); |
yamaguch | 2:a9d1a9c92927 | 75 | Utils::fgetValues(fp, "set-led:%d", &ledEnabled); |
yamaguch | 2:a9d1a9c92927 | 76 | Utils::fgetValues(fp, "cpm-to-usv:%f", &cpm2usv); |
yamaguch | 2:a9d1a9c92927 | 77 | fclose(fp); |
yamaguch | 2:a9d1a9c92927 | 78 | if (verbose) { |
yamaguch | 2:a9d1a9c92927 | 79 | printf("set-buzzer:%d\n", buzzerEnabled); |
yamaguch | 2:a9d1a9c92927 | 80 | printf("set-led:%d\n", ledEnabled); |
yamaguch | 2:a9d1a9c92927 | 81 | printf("cpm-to-usv:%f\n", cpm2usv); |
yamaguch | 2:a9d1a9c92927 | 82 | } |
yamaguch | 2:a9d1a9c92927 | 83 | } |
yamaguch | 2:a9d1a9c92927 | 84 | } |
yamaguch | 2:a9d1a9c92927 | 85 | |
yamaguch | 2:a9d1a9c92927 | 86 | return GMCounter(gmcPin, buzzerPin, ledPin, cpm2usv, buzzerEnabled, ledEnabled); |
yamaguch | 2:a9d1a9c92927 | 87 | } |
yamaguch | 2:a9d1a9c92927 | 88 | |
yamaguch | 2:a9d1a9c92927 | 89 | /** |
yamaguch | 1:a22e390c70b3 | 90 | * gets CPM (Counts Per Minute) value |
yamaguch | 1:a22e390c70b3 | 91 | * |
yamaguch | 1:a22e390c70b3 | 92 | * @returns counts during the last 60 seconds |
yamaguch | 1:a22e390c70b3 | 93 | */ |
yamaguch | 1:a22e390c70b3 | 94 | int getCPM() { |
yamaguch | 1:a22e390c70b3 | 95 | // make sure that no index updated while reading the array entries |
yamaguch | 1:a22e390c70b3 | 96 | // if there was (interrupt happened!), retry reading. |
yamaguch | 1:a22e390c70b3 | 97 | int i, cpm; |
yamaguch | 1:a22e390c70b3 | 98 | do { |
yamaguch | 1:a22e390c70b3 | 99 | i = index; |
yamaguch | 1:a22e390c70b3 | 100 | cpm = count[(i - 1 + 61) % 61] - count[i]; |
yamaguch | 1:a22e390c70b3 | 101 | } while (i != index); |
yamaguch | 1:a22e390c70b3 | 102 | |
yamaguch | 1:a22e390c70b3 | 103 | return cpm; |
yamaguch | 1:a22e390c70b3 | 104 | } |
yamaguch | 1:a22e390c70b3 | 105 | |
yamaguch | 1:a22e390c70b3 | 106 | /** |
yamaguch | 1:a22e390c70b3 | 107 | * gets average CPM (Counts Per Minute) |
yamaguch | 1:a22e390c70b3 | 108 | * |
yamaguch | 1:a22e390c70b3 | 109 | * @returns average CPM during the last 60 minutes |
yamaguch | 1:a22e390c70b3 | 110 | */ |
yamaguch | 1:a22e390c70b3 | 111 | float getAverageCPM() { |
yamaguch | 1:a22e390c70b3 | 112 | // make sure that no index60 updated while reading the array entries |
yamaguch | 1:a22e390c70b3 | 113 | // if there was (interrupt happened!), retry reading. |
yamaguch | 1:a22e390c70b3 | 114 | int i, total; |
yamaguch | 1:a22e390c70b3 | 115 | do { |
yamaguch | 1:a22e390c70b3 | 116 | i = index60; |
yamaguch | 1:a22e390c70b3 | 117 | total = count60[(i - 1 + 61) % 61] - count60[i]; |
yamaguch | 1:a22e390c70b3 | 118 | } while (i != index60); |
yamaguch | 1:a22e390c70b3 | 119 | |
yamaguch | 1:a22e390c70b3 | 120 | return elapsed == 0 ? 0 : elapsed < 60.0 ? total / elapsed : total / 60.0; |
yamaguch | 1:a22e390c70b3 | 121 | } |
yamaguch | 1:a22e390c70b3 | 122 | |
yamaguch | 1:a22e390c70b3 | 123 | /** |
yamaguch | 2:a9d1a9c92927 | 124 | * Returns radiation |
yamaguch | 2:a9d1a9c92927 | 125 | * |
yamaguch | 2:a9d1a9c92927 | 126 | * @returns radiation in uSv |
yamaguch | 2:a9d1a9c92927 | 127 | */ |
yamaguch | 2:a9d1a9c92927 | 128 | float getRadiation() { |
yamaguch | 2:a9d1a9c92927 | 129 | return getCPM() * cpm2usv; |
yamaguch | 2:a9d1a9c92927 | 130 | } |
yamaguch | 2:a9d1a9c92927 | 131 | |
yamaguch | 2:a9d1a9c92927 | 132 | /** |
yamaguch | 2:a9d1a9c92927 | 133 | * Returns average radiation |
yamaguch | 2:a9d1a9c92927 | 134 | * |
yamaguch | 2:a9d1a9c92927 | 135 | * @returns average radiation during last 60 minutes in uSv |
yamaguch | 2:a9d1a9c92927 | 136 | */ |
yamaguch | 2:a9d1a9c92927 | 137 | float getAverageRadiation() { |
yamaguch | 2:a9d1a9c92927 | 138 | return getAverageCPM() * cpm2usv; |
yamaguch | 2:a9d1a9c92927 | 139 | } |
yamaguch | 2:a9d1a9c92927 | 140 | |
yamaguch | 2:a9d1a9c92927 | 141 | /** |
yamaguch | 1:a22e390c70b3 | 142 | * returns buzzer status |
yamaguch | 1:a22e390c70b3 | 143 | * |
yamaguch | 1:a22e390c70b3 | 144 | * @returns buzzer status |
yamaguch | 1:a22e390c70b3 | 145 | */ |
yamaguch | 1:a22e390c70b3 | 146 | bool getBuzzer() { |
yamaguch | 1:a22e390c70b3 | 147 | return buzzerEnabled; |
yamaguch | 1:a22e390c70b3 | 148 | } |
yamaguch | 1:a22e390c70b3 | 149 | |
yamaguch | 1:a22e390c70b3 | 150 | /** |
yamaguch | 1:a22e390c70b3 | 151 | * sets buzzer enabled or disabled |
yamaguch | 1:a22e390c70b3 | 152 | */ |
yamaguch | 1:a22e390c70b3 | 153 | void setBuzzer(bool enable = true) { |
yamaguch | 1:a22e390c70b3 | 154 | buzzerEnabled = enable; |
yamaguch | 1:a22e390c70b3 | 155 | } |
yamaguch | 1:a22e390c70b3 | 156 | |
yamaguch | 1:a22e390c70b3 | 157 | /** |
yamaguch | 1:a22e390c70b3 | 158 | * returns LED status |
yamaguch | 1:a22e390c70b3 | 159 | * |
yamaguch | 1:a22e390c70b3 | 160 | * @returns LED status |
yamaguch | 1:a22e390c70b3 | 161 | */ |
yamaguch | 1:a22e390c70b3 | 162 | bool getLED() { |
yamaguch | 1:a22e390c70b3 | 163 | return ledEnabled; |
yamaguch | 1:a22e390c70b3 | 164 | } |
yamaguch | 1:a22e390c70b3 | 165 | |
yamaguch | 1:a22e390c70b3 | 166 | /** |
yamaguch | 1:a22e390c70b3 | 167 | * sets LED enabled or disabled |
yamaguch | 1:a22e390c70b3 | 168 | */ |
yamaguch | 1:a22e390c70b3 | 169 | void setLED(bool enable = true) { |
yamaguch | 1:a22e390c70b3 | 170 | ledEnabled = enable; |
yamaguch | 1:a22e390c70b3 | 171 | } |
yamaguch | 1:a22e390c70b3 | 172 | |
yamaguch | 2:a9d1a9c92927 | 173 | /** |
yamaguch | 2:a9d1a9c92927 | 174 | * sets CPM to uSv conversion ration |
yamaguch | 2:a9d1a9c92927 | 175 | * |
yamaguch | 2:a9d1a9c92927 | 176 | * @param cpm2usv conversion ratio uSv/CPM |
yamaguch | 2:a9d1a9c92927 | 177 | */ |
yamaguch | 2:a9d1a9c92927 | 178 | void setConversionRatio(float cpm2usv) { |
yamaguch | 2:a9d1a9c92927 | 179 | this->cpm2usv = cpm2usv; |
yamaguch | 2:a9d1a9c92927 | 180 | } |
yamaguch | 2:a9d1a9c92927 | 181 | |
yamaguch | 1:a22e390c70b3 | 182 | private: |
yamaguch | 1:a22e390c70b3 | 183 | InterruptIn interrupt; |
yamaguch | 1:a22e390c70b3 | 184 | DigitalOut buzzer; |
yamaguch | 1:a22e390c70b3 | 185 | DigitalOut led; |
yamaguch | 1:a22e390c70b3 | 186 | Timeout timeout; |
yamaguch | 1:a22e390c70b3 | 187 | Ticker ticker, ticker60; |
yamaguch | 2:a9d1a9c92927 | 188 | float cpm2usv; |
yamaguch | 2:a9d1a9c92927 | 189 | bool buzzerEnabled; |
yamaguch | 2:a9d1a9c92927 | 190 | bool ledEnabled; |
yamaguch | 1:a22e390c70b3 | 191 | unsigned int counter; |
yamaguch | 1:a22e390c70b3 | 192 | unsigned int count[61]; |
yamaguch | 1:a22e390c70b3 | 193 | unsigned int count60[61]; |
yamaguch | 1:a22e390c70b3 | 194 | int index; |
yamaguch | 1:a22e390c70b3 | 195 | int index60; |
yamaguch | 1:a22e390c70b3 | 196 | float elapsed; |
yamaguch | 1:a22e390c70b3 | 197 | |
yamaguch | 1:a22e390c70b3 | 198 | void interruptHandler() { |
yamaguch | 1:a22e390c70b3 | 199 | counter++; |
yamaguch | 1:a22e390c70b3 | 200 | if (buzzerEnabled) buzzer = 1; |
yamaguch | 1:a22e390c70b3 | 201 | if (ledEnabled) led = 1; |
yamaguch | 1:a22e390c70b3 | 202 | timeout.attach(this, &GMCounter::timeoutHandler, 0.03); |
yamaguch | 1:a22e390c70b3 | 203 | } |
yamaguch | 1:a22e390c70b3 | 204 | |
yamaguch | 1:a22e390c70b3 | 205 | void tickerHandler() { |
yamaguch | 1:a22e390c70b3 | 206 | count[index] = counter; |
yamaguch | 1:a22e390c70b3 | 207 | index = (index + 1) % 61; |
yamaguch | 1:a22e390c70b3 | 208 | } |
yamaguch | 1:a22e390c70b3 | 209 | |
yamaguch | 1:a22e390c70b3 | 210 | void ticker60Handler() { |
yamaguch | 1:a22e390c70b3 | 211 | if (elapsed < 60) elapsed++; |
yamaguch | 1:a22e390c70b3 | 212 | count60[index60] = counter; |
yamaguch | 1:a22e390c70b3 | 213 | index60 = (index60 + 1) % 61; |
yamaguch | 1:a22e390c70b3 | 214 | } |
yamaguch | 1:a22e390c70b3 | 215 | |
yamaguch | 1:a22e390c70b3 | 216 | void timeoutHandler() { |
yamaguch | 1:a22e390c70b3 | 217 | if (buzzerEnabled) buzzer = 0; |
yamaguch | 1:a22e390c70b3 | 218 | if (ledEnabled) led = 0; |
yamaguch | 1:a22e390c70b3 | 219 | } |
yamaguch | 1:a22e390c70b3 | 220 | }; |
yamaguch | 1:a22e390c70b3 | 221 | |
yamaguch | 1:a22e390c70b3 | 222 | #endif |