Jens Altenburg
/
HAPO_WS20_Labor2_Student
Einführung HAPO WS2020 TH Bingen, Prof. Jens Altenburg, LV2
main.cpp@0:d56a66901ae9, 2020-11-18 (annotated)
- Committer:
- prof_al
- Date:
- Wed Nov 18 14:32:21 2020 +0000
- Revision:
- 0:d56a66901ae9
Version 1.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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prof_al | 0:d56a66901ae9 | 1 | /*************************************************************************** |
prof_al | 0:d56a66901ae9 | 2 | * Titel : main.c |
prof_al | 0:d56a66901ae9 | 3 | * |
prof_al | 0:d56a66901ae9 | 4 | * Description : Labormodul "DIBI" |
prof_al | 0:d56a66901ae9 | 5 | * |
prof_al | 0:d56a66901ae9 | 6 | * Revision List: |
prof_al | 0:d56a66901ae9 | 7 | -------------------------------------------------------------------------- |
prof_al | 0:d56a66901ae9 | 8 | Date | Author | Change |
prof_al | 0:d56a66901ae9 | 9 | -------------------------------------------------------------------------- |
prof_al | 0:d56a66901ae9 | 10 | 16.11.15 | J. Altenburg | Ersterstellung |
prof_al | 0:d56a66901ae9 | 11 | -------------------------------------------------------------------------- |
prof_al | 0:d56a66901ae9 | 12 | | | |
prof_al | 0:d56a66901ae9 | 13 | ---------------------------------------------------------------------------- |
prof_al | 0:d56a66901ae9 | 14 | ****************************************************************************/ |
prof_al | 0:d56a66901ae9 | 15 | #include "mbed.h" |
prof_al | 0:d56a66901ae9 | 16 | #include "cdef.h" |
prof_al | 0:d56a66901ae9 | 17 | |
prof_al | 0:d56a66901ae9 | 18 | /* Vereinbarungen zu den Tasteneingängen */ |
prof_al | 0:d56a66901ae9 | 19 | DigitalIn pinS1(A1); |
prof_al | 0:d56a66901ae9 | 20 | DigitalIn pinS2(A2); |
prof_al | 0:d56a66901ae9 | 21 | DigitalIn pinS3(A3); |
prof_al | 0:d56a66901ae9 | 22 | |
prof_al | 0:d56a66901ae9 | 23 | //BusOut bLedShield(D13, D12, D11, D10); |
prof_al | 0:d56a66901ae9 | 24 | BusOut bLedShield(D10, D11, D12, D13); |
prof_al | 0:d56a66901ae9 | 25 | |
prof_al | 0:d56a66901ae9 | 26 | /* Anschlüsse der Schieberegister */ |
prof_al | 0:d56a66901ae9 | 27 | DigitalOut pinSdo(PA_9); |
prof_al | 0:d56a66901ae9 | 28 | DigitalOut pinSck(PA_8); |
prof_al | 0:d56a66901ae9 | 29 | DigitalOut pinLoad(PB_5); |
prof_al | 0:d56a66901ae9 | 30 | |
prof_al | 0:d56a66901ae9 | 31 | /* ISR */ |
prof_al | 0:d56a66901ae9 | 32 | Ticker stTimer; |
prof_al | 0:d56a66901ae9 | 33 | |
prof_al | 0:d56a66901ae9 | 34 | /*************************************************************************** |
prof_al | 0:d56a66901ae9 | 35 | * Defines und Makros * |
prof_al | 0:d56a66901ae9 | 36 | ***************************************************************************/ |
prof_al | 0:d56a66901ae9 | 37 | //#define nTEMP /* Compilerschalter */ |
prof_al | 0:d56a66901ae9 | 38 | |
prof_al | 0:d56a66901ae9 | 39 | |
prof_al | 0:d56a66901ae9 | 40 | #define nTastShort 4 /* Taste 50 Millisekunden gedrückt */ |
prof_al | 0:d56a66901ae9 | 41 | #define nTastLong 150 /* Taste 1.5 Sekunden gedrückt */ |
prof_al | 0:d56a66901ae9 | 42 | |
prof_al | 0:d56a66901ae9 | 43 | #define n300ms 3 |
prof_al | 0:d56a66901ae9 | 44 | |
prof_al | 0:d56a66901ae9 | 45 | #define nDsp100ms 1 |
prof_al | 0:d56a66901ae9 | 46 | #define nDsp500ms 5 |
prof_al | 0:d56a66901ae9 | 47 | #define nDsp1Sek 10 |
prof_al | 0:d56a66901ae9 | 48 | #define nDsp2Sek 20 |
prof_al | 0:d56a66901ae9 | 49 | |
prof_al | 0:d56a66901ae9 | 50 | #define nOn 0 |
prof_al | 0:d56a66901ae9 | 51 | #define nOff 1 |
prof_al | 0:d56a66901ae9 | 52 | |
prof_al | 0:d56a66901ae9 | 53 | #define nSegA 0x01 |
prof_al | 0:d56a66901ae9 | 54 | #define nSegB 0x02 |
prof_al | 0:d56a66901ae9 | 55 | #define nSegC 0x04 |
prof_al | 0:d56a66901ae9 | 56 | #define nSegD 0x08 |
prof_al | 0:d56a66901ae9 | 57 | #define nSegE 0x10 |
prof_al | 0:d56a66901ae9 | 58 | #define nSegF 0x20 |
prof_al | 0:d56a66901ae9 | 59 | #define nSegG 0x40 |
prof_al | 0:d56a66901ae9 | 60 | #define nSegH 0x80 |
prof_al | 0:d56a66901ae9 | 61 | |
prof_al | 0:d56a66901ae9 | 62 | |
prof_al | 0:d56a66901ae9 | 63 | #define nZiffer0 ~(nSegA | nSegB | nSegC | nSegD | nSegE | nSegF) |
prof_al | 0:d56a66901ae9 | 64 | #define nZiffer1 |
prof_al | 0:d56a66901ae9 | 65 | #define nZiffer2 |
prof_al | 0:d56a66901ae9 | 66 | #define nZiffer3 |
prof_al | 0:d56a66901ae9 | 67 | #define nZiffer4 |
prof_al | 0:d56a66901ae9 | 68 | #define nZiffer5 |
prof_al | 0:d56a66901ae9 | 69 | #define nZiffer6 |
prof_al | 0:d56a66901ae9 | 70 | #define nZiffer7 |
prof_al | 0:d56a66901ae9 | 71 | #define nZiffer8 |
prof_al | 0:d56a66901ae9 | 72 | #define nZiffer9 |
prof_al | 0:d56a66901ae9 | 73 | #define nZifferA |
prof_al | 0:d56a66901ae9 | 74 | #define nZifferB |
prof_al | 0:d56a66901ae9 | 75 | #define nZifferC |
prof_al | 0:d56a66901ae9 | 76 | #define nZifferD |
prof_al | 0:d56a66901ae9 | 77 | #define nZifferE |
prof_al | 0:d56a66901ae9 | 78 | #define nZifferF |
prof_al | 0:d56a66901ae9 | 79 | #define nZifferOff |
prof_al | 0:d56a66901ae9 | 80 | |
prof_al | 0:d56a66901ae9 | 81 | enum{ |
prof_al | 0:d56a66901ae9 | 82 | enDoNothing = 0 |
prof_al | 0:d56a66901ae9 | 83 | ,enDisplay |
prof_al | 0:d56a66901ae9 | 84 | }; |
prof_al | 0:d56a66901ae9 | 85 | |
prof_al | 0:d56a66901ae9 | 86 | |
prof_al | 0:d56a66901ae9 | 87 | |
prof_al | 0:d56a66901ae9 | 88 | byte bIdx; /* |
prof_al | 0:d56a66901ae9 | 89 | * Description : Index auf Ausgabe |
prof_al | 0:d56a66901ae9 | 90 | */ |
prof_al | 0:d56a66901ae9 | 91 | |
prof_al | 0:d56a66901ae9 | 92 | int8 iDir; /* |
prof_al | 0:d56a66901ae9 | 93 | * Description : Zählrichtung |
prof_al | 0:d56a66901ae9 | 94 | */ |
prof_al | 0:d56a66901ae9 | 95 | |
prof_al | 0:d56a66901ae9 | 96 | byte bBlinkTime; /* |
prof_al | 0:d56a66901ae9 | 97 | * Description : |
prof_al | 0:d56a66901ae9 | 98 | */ |
prof_al | 0:d56a66901ae9 | 99 | |
prof_al | 0:d56a66901ae9 | 100 | byte bS1Timer; /* |
prof_al | 0:d56a66901ae9 | 101 | * Description : Timer für Taste S1 |
prof_al | 0:d56a66901ae9 | 102 | */ |
prof_al | 0:d56a66901ae9 | 103 | |
prof_al | 0:d56a66901ae9 | 104 | byte bS2Timer; /* |
prof_al | 0:d56a66901ae9 | 105 | * Description : Timer für Taste S2 |
prof_al | 0:d56a66901ae9 | 106 | */ |
prof_al | 0:d56a66901ae9 | 107 | |
prof_al | 0:d56a66901ae9 | 108 | byte bS3Timer; /* |
prof_al | 0:d56a66901ae9 | 109 | * Description : Timer für Taste S3 |
prof_al | 0:d56a66901ae9 | 110 | */ |
prof_al | 0:d56a66901ae9 | 111 | |
prof_al | 0:d56a66901ae9 | 112 | byte bDisplayState; /* |
prof_al | 0:d56a66901ae9 | 113 | * Description : Zustandsautomat Blinker |
prof_al | 0:d56a66901ae9 | 114 | */ |
prof_al | 0:d56a66901ae9 | 115 | |
prof_al | 0:d56a66901ae9 | 116 | word wSerial; /* |
prof_al | 0:d56a66901ae9 | 117 | * Description : serielles Ausgaberegister |
prof_al | 0:d56a66901ae9 | 118 | */ |
prof_al | 0:d56a66901ae9 | 119 | |
prof_al | 0:d56a66901ae9 | 120 | byte bDspTime; /* |
prof_al | 0:d56a66901ae9 | 121 | * Description : Displaytimer |
prof_al | 0:d56a66901ae9 | 122 | */ |
prof_al | 0:d56a66901ae9 | 123 | |
prof_al | 0:d56a66901ae9 | 124 | byte bDspTimeValue; /* |
prof_al | 0:d56a66901ae9 | 125 | * Description : Zählzeitvorgabe |
prof_al | 0:d56a66901ae9 | 126 | */ |
prof_al | 0:d56a66901ae9 | 127 | |
prof_al | 0:d56a66901ae9 | 128 | byte bBargraph; /* |
prof_al | 0:d56a66901ae9 | 129 | * Description : Bargraph anzeigen |
prof_al | 0:d56a66901ae9 | 130 | */ |
prof_al | 0:d56a66901ae9 | 131 | |
prof_al | 0:d56a66901ae9 | 132 | byte bBarBlink; /* |
prof_al | 0:d56a66901ae9 | 133 | * Description : Bargraphblinker |
prof_al | 0:d56a66901ae9 | 134 | */ |
prof_al | 0:d56a66901ae9 | 135 | |
prof_al | 0:d56a66901ae9 | 136 | /* Bitmuster */ |
prof_al | 0:d56a66901ae9 | 137 | const byte abBargraph[] = {~Bit0, ~(Bit0|Bit1), ~(Bit0|Bit1|Bit2), ~(Bit0|Bit1|Bit2|Bit3), 0x0f}; |
prof_al | 0:d56a66901ae9 | 138 | const byte abZiffer[] = {nZiffer0, nZiffer1, nZiffer2, nZiffer3, nZiffer4, nZiffer5, nZiffer6, nZiffer7, nZiffer8, nZiffer9, nZifferA, nZifferB, nZifferC, nZifferD, nZifferE, nZifferF, nZifferOff}; |
prof_al | 0:d56a66901ae9 | 139 | const byte abDspTime[] = {nDsp100ms, nDsp500ms, nDsp1Sek, nDsp2Sek}; |
prof_al | 0:d56a66901ae9 | 140 | |
prof_al | 0:d56a66901ae9 | 141 | |
prof_al | 0:d56a66901ae9 | 142 | /* Tastenabfrage */ |
prof_al | 0:d56a66901ae9 | 143 | void vTasteS1( void ){ |
prof_al | 0:d56a66901ae9 | 144 | if(pinS1 == 0){ /* User-Taste gedrückt */ |
prof_al | 0:d56a66901ae9 | 145 | if(bS1Timer < nTastLong+1){ /* Abfrage max. bis Taste lange gedrückt */ |
prof_al | 0:d56a66901ae9 | 146 | if(bS1Timer == nTastShort){ /* Taste "kurz gedrückt" erkannt */ |
prof_al | 0:d56a66901ae9 | 147 | #if 1 |
prof_al | 0:d56a66901ae9 | 148 | //... |
prof_al | 0:d56a66901ae9 | 149 | #endif |
prof_al | 0:d56a66901ae9 | 150 | } |
prof_al | 0:d56a66901ae9 | 151 | if(bS1Timer == nTastLong){ /* Taste "lange gedrückt" erkannt */ |
prof_al | 0:d56a66901ae9 | 152 | //bBlinkState = enBlinkLong; |
prof_al | 0:d56a66901ae9 | 153 | } |
prof_al | 0:d56a66901ae9 | 154 | bS1Timer++; |
prof_al | 0:d56a66901ae9 | 155 | } |
prof_al | 0:d56a66901ae9 | 156 | } |
prof_al | 0:d56a66901ae9 | 157 | else{ /* Taste nicht gedrückt */ |
prof_al | 0:d56a66901ae9 | 158 | if(bS1Timer >= nTastShort){ /* Taste wurde bereits erkannt */ |
prof_al | 0:d56a66901ae9 | 159 | #if 0 |
prof_al | 0:d56a66901ae9 | 160 | |
prof_al | 0:d56a66901ae9 | 161 | #endif |
prof_al | 0:d56a66901ae9 | 162 | } |
prof_al | 0:d56a66901ae9 | 163 | bS1Timer = 0; |
prof_al | 0:d56a66901ae9 | 164 | } |
prof_al | 0:d56a66901ae9 | 165 | } |
prof_al | 0:d56a66901ae9 | 166 | |
prof_al | 0:d56a66901ae9 | 167 | void vTasteS2( void ){ |
prof_al | 0:d56a66901ae9 | 168 | if(pinS2 == 0){ /* User-Taste gedrückt */ |
prof_al | 0:d56a66901ae9 | 169 | if(bS2Timer < nTastLong+1){ /* Abfrage max. bis Taste lange gedrückt */ |
prof_al | 0:d56a66901ae9 | 170 | if(bS2Timer == nTastShort){ /* Taste "kurz gedrückt" erkannt */ |
prof_al | 0:d56a66901ae9 | 171 | #if 1 |
prof_al | 0:d56a66901ae9 | 172 | //... |
prof_al | 0:d56a66901ae9 | 173 | #endif |
prof_al | 0:d56a66901ae9 | 174 | } |
prof_al | 0:d56a66901ae9 | 175 | if(bS2Timer == nTastLong){ /* Taste "lange gedrückt" erkannt */ |
prof_al | 0:d56a66901ae9 | 176 | } |
prof_al | 0:d56a66901ae9 | 177 | bS2Timer++; |
prof_al | 0:d56a66901ae9 | 178 | } |
prof_al | 0:d56a66901ae9 | 179 | } |
prof_al | 0:d56a66901ae9 | 180 | else{ /* Taste nicht gedrückt */ |
prof_al | 0:d56a66901ae9 | 181 | if(bS2Timer >= nTastShort){ /* Taste wurde bereits erkannt */ |
prof_al | 0:d56a66901ae9 | 182 | } |
prof_al | 0:d56a66901ae9 | 183 | bS2Timer = 0; |
prof_al | 0:d56a66901ae9 | 184 | } |
prof_al | 0:d56a66901ae9 | 185 | } |
prof_al | 0:d56a66901ae9 | 186 | |
prof_al | 0:d56a66901ae9 | 187 | void vTasteS3( void ){ |
prof_al | 0:d56a66901ae9 | 188 | if(pinS3 == 0){ /* User-Taste gedrückt */ |
prof_al | 0:d56a66901ae9 | 189 | if(bS3Timer < nTastLong+1){ /* Abfrage max. bis Taste lange gedrückt */ |
prof_al | 0:d56a66901ae9 | 190 | if(bS3Timer == nTastShort){ /* Taste "kurz gedrückt" erkannt */ |
prof_al | 0:d56a66901ae9 | 191 | #if 1 |
prof_al | 0:d56a66901ae9 | 192 | //... |
prof_al | 0:d56a66901ae9 | 193 | #endif |
prof_al | 0:d56a66901ae9 | 194 | } |
prof_al | 0:d56a66901ae9 | 195 | if(bS3Timer == nTastLong){ /* Taste "lange gedrückt" erkannt */ |
prof_al | 0:d56a66901ae9 | 196 | } |
prof_al | 0:d56a66901ae9 | 197 | bS3Timer++; |
prof_al | 0:d56a66901ae9 | 198 | } |
prof_al | 0:d56a66901ae9 | 199 | } |
prof_al | 0:d56a66901ae9 | 200 | else{ /* Taste nicht gedrückt */ |
prof_al | 0:d56a66901ae9 | 201 | if(bS3Timer >= nTastShort){ /* Taste wurde bereits erkannt */ |
prof_al | 0:d56a66901ae9 | 202 | } |
prof_al | 0:d56a66901ae9 | 203 | bS3Timer = 0; |
prof_al | 0:d56a66901ae9 | 204 | } |
prof_al | 0:d56a66901ae9 | 205 | } |
prof_al | 0:d56a66901ae9 | 206 | |
prof_al | 0:d56a66901ae9 | 207 | |
prof_al | 0:d56a66901ae9 | 208 | |
prof_al | 0:d56a66901ae9 | 209 | void vCheckTasten( void ){ |
prof_al | 0:d56a66901ae9 | 210 | vTasteS1(); |
prof_al | 0:d56a66901ae9 | 211 | vTasteS2(); |
prof_al | 0:d56a66901ae9 | 212 | vTasteS3(); |
prof_al | 0:d56a66901ae9 | 213 | } |
prof_al | 0:d56a66901ae9 | 214 | |
prof_al | 0:d56a66901ae9 | 215 | void vDisplayLed( void ){ |
prof_al | 0:d56a66901ae9 | 216 | switch(bDisplayState){ |
prof_al | 0:d56a66901ae9 | 217 | case enDoNothing: /* Bargraph blinken lassen */ |
prof_al | 0:d56a66901ae9 | 218 | bBarBlink++; |
prof_al | 0:d56a66901ae9 | 219 | //... |
prof_al | 0:d56a66901ae9 | 220 | break; |
prof_al | 0:d56a66901ae9 | 221 | case enDisplay: /* Zählwerte für Anzeige ermitteln */ |
prof_al | 0:d56a66901ae9 | 222 | //... |
prof_al | 0:d56a66901ae9 | 223 | break; |
prof_al | 0:d56a66901ae9 | 224 | } |
prof_al | 0:d56a66901ae9 | 225 | wSerial = abZiffer[bIdx&0x0f]; |
prof_al | 0:d56a66901ae9 | 226 | } |
prof_al | 0:d56a66901ae9 | 227 | |
prof_al | 0:d56a66901ae9 | 228 | /* Ausschieben der Bits für die Anzeige */ |
prof_al | 0:d56a66901ae9 | 229 | void vShiftLoad(word wLoad){ |
prof_al | 0:d56a66901ae9 | 230 | word wMask = Bit15; |
prof_al | 0:d56a66901ae9 | 231 | pinLoad = 0; |
prof_al | 0:d56a66901ae9 | 232 | while(wMask){ |
prof_al | 0:d56a66901ae9 | 233 | if(wMask & wLoad) pinSdo = 1; |
prof_al | 0:d56a66901ae9 | 234 | else pinSdo = 0; |
prof_al | 0:d56a66901ae9 | 235 | pinSck = 1; |
prof_al | 0:d56a66901ae9 | 236 | wMask >>= 1; |
prof_al | 0:d56a66901ae9 | 237 | pinSck = 0; |
prof_al | 0:d56a66901ae9 | 238 | } |
prof_al | 0:d56a66901ae9 | 239 | pinLoad = 1; |
prof_al | 0:d56a66901ae9 | 240 | } |
prof_al | 0:d56a66901ae9 | 241 | |
prof_al | 0:d56a66901ae9 | 242 | |
prof_al | 0:d56a66901ae9 | 243 | /* Ausgabe der Daten an das 7-Segment-Display im Abstand von 2.5 ms */ |
prof_al | 0:d56a66901ae9 | 244 | void vSegmentDisplay( void ){ |
prof_al | 0:d56a66901ae9 | 245 | vShiftLoad(((wSerial << 8) & 0xfff0)| (1 << 3)); |
prof_al | 0:d56a66901ae9 | 246 | } |
prof_al | 0:d56a66901ae9 | 247 | |
prof_al | 0:d56a66901ae9 | 248 | /*************************************************************************** |
prof_al | 0:d56a66901ae9 | 249 | * main() |
prof_al | 0:d56a66901ae9 | 250 | ***************************************************************************/ |
prof_al | 0:d56a66901ae9 | 251 | int main() { |
prof_al | 0:d56a66901ae9 | 252 | /* Variablen initialisieren */ |
prof_al | 0:d56a66901ae9 | 253 | byte i = 0; |
prof_al | 0:d56a66901ae9 | 254 | bIdx = 0; |
prof_al | 0:d56a66901ae9 | 255 | bDspTime = 0; |
prof_al | 0:d56a66901ae9 | 256 | bDisplayState = enDoNothing; |
prof_al | 0:d56a66901ae9 | 257 | stTimer.attach_us(&vSegmentDisplay, 2500); |
prof_al | 0:d56a66901ae9 | 258 | bBargraph = 0; |
prof_al | 0:d56a66901ae9 | 259 | bBarBlink = 0; |
prof_al | 0:d56a66901ae9 | 260 | bDspTimeValue = nDsp100ms; |
prof_al | 0:d56a66901ae9 | 261 | iDir = 1; |
prof_al | 0:d56a66901ae9 | 262 | /* Lampentest */ |
prof_al | 0:d56a66901ae9 | 263 | bLedShield = 0x00; |
prof_al | 0:d56a66901ae9 | 264 | wait(1); |
prof_al | 0:d56a66901ae9 | 265 | bLedShield = 0x0f; |
prof_al | 0:d56a66901ae9 | 266 | /* Endless loop */ |
prof_al | 0:d56a66901ae9 | 267 | while(1) { |
prof_al | 0:d56a66901ae9 | 268 | vCheckTasten(); |
prof_al | 0:d56a66901ae9 | 269 | i++; |
prof_al | 0:d56a66901ae9 | 270 | if(i == 10){ |
prof_al | 0:d56a66901ae9 | 271 | vDisplayLed(); |
prof_al | 0:d56a66901ae9 | 272 | i = 0; |
prof_al | 0:d56a66901ae9 | 273 | } |
prof_al | 0:d56a66901ae9 | 274 | wait_us(10000); |
prof_al | 0:d56a66901ae9 | 275 | } |
prof_al | 0:d56a66901ae9 | 276 | } |