Test
Dependencies: mbed-dev-OS5_10_4
MySources/AdInit.cpp@0:014fad4dfb9d, 2020-08-07 (annotated)
- Committer:
- kevman
- Date:
- Fri Aug 07 07:24:21 2020 +0000
- Revision:
- 0:014fad4dfb9d
Test
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kevman | 0:014fad4dfb9d | 1 | /*------------------------------------------------------------------------------- |
kevman | 0:014fad4dfb9d | 2 | Programm Name: AdInit.cpp |
kevman | 0:014fad4dfb9d | 3 | Version: 1.0 |
kevman | 0:014fad4dfb9d | 4 | Sprache: C++ |
kevman | 0:014fad4dfb9d | 5 | Compiler: mbed |
kevman | 0:014fad4dfb9d | 6 | Autor: PS |
kevman | 0:014fad4dfb9d | 7 | Copyright: PS |
kevman | 0:014fad4dfb9d | 8 | |
kevman | 0:014fad4dfb9d | 9 | |
kevman | 0:014fad4dfb9d | 10 | Funktion: Init-Funktion für den A/D Wandlerzugriff |
kevman | 0:014fad4dfb9d | 11 | |
kevman | 0:014fad4dfb9d | 12 | 30.06.2017: |
kevman | 0:014fad4dfb9d | 13 | |
kevman | 0:014fad4dfb9d | 14 | -------------------------------------------------------------------------------*/ |
kevman | 0:014fad4dfb9d | 15 | #include "Headers.h" |
kevman | 0:014fad4dfb9d | 16 | |
kevman | 0:014fad4dfb9d | 17 | bool fChnValid[8]; |
kevman | 0:014fad4dfb9d | 18 | |
kevman | 0:014fad4dfb9d | 19 | |
kevman | 0:014fad4dfb9d | 20 | /*------------------------------------------------------------------------------- |
kevman | 0:014fad4dfb9d | 21 | Analog-Digital Konverter initialisieren |
kevman | 0:014fad4dfb9d | 22 | -------------------------------------------------------------------------------*/ |
kevman | 0:014fad4dfb9d | 23 | void InitAdValues() |
kevman | 0:014fad4dfb9d | 24 | { |
kevman | 0:014fad4dfb9d | 25 | int i,j; |
kevman | 0:014fad4dfb9d | 26 | |
kevman | 0:014fad4dfb9d | 27 | AdVal = new (AD_VAL); |
kevman | 0:014fad4dfb9d | 28 | for(i=0;i<ANZ_POT*4;i++) |
kevman | 0:014fad4dfb9d | 29 | { |
kevman | 0:014fad4dfb9d | 30 | g_fARead[i] = false; |
kevman | 0:014fad4dfb9d | 31 | MVars.dbAdSum[i] = 0.; |
kevman | 0:014fad4dfb9d | 32 | for(j=0;j<16;j++) |
kevman | 0:014fad4dfb9d | 33 | { |
kevman | 0:014fad4dfb9d | 34 | AdVal->AdResult[i][j] = 0.0; |
kevman | 0:014fad4dfb9d | 35 | } |
kevman | 0:014fad4dfb9d | 36 | } |
kevman | 0:014fad4dfb9d | 37 | for(i=0;i<ANZ_POT*4;i++) |
kevman | 0:014fad4dfb9d | 38 | { |
kevman | 0:014fad4dfb9d | 39 | for(j=0;j<64;j++) |
kevman | 0:014fad4dfb9d | 40 | AdVal->AdRingBuf[i][j] = 0L; |
kevman | 0:014fad4dfb9d | 41 | } |
kevman | 0:014fad4dfb9d | 42 | g_nAdSetPos = 0; |
kevman | 0:014fad4dfb9d | 43 | g_nAdGetPos = 0; |
kevman | 0:014fad4dfb9d | 44 | g_nAdCount = 0; |
kevman | 0:014fad4dfb9d | 45 | |
kevman | 0:014fad4dfb9d | 46 | g_nAdResultCount = 0; |
kevman | 0:014fad4dfb9d | 47 | |
kevman | 0:014fad4dfb9d | 48 | AdVal->FKoeff[0] = -0.7128E-3; |
kevman | 0:014fad4dfb9d | 49 | AdVal->FKoeff[1] = 0.01879; |
kevman | 0:014fad4dfb9d | 50 | AdVal->FKoeff[2] = 0.06321; |
kevman | 0:014fad4dfb9d | 51 | AdVal->FKoeff[3] = 0.125; |
kevman | 0:014fad4dfb9d | 52 | AdVal->FKoeff[4] = 0.1806; |
kevman | 0:014fad4dfb9d | 53 | AdVal->FKoeff[5] = 0.20305; |
kevman | 0:014fad4dfb9d | 54 | AdVal->FKoeff[6] = 0.1806; |
kevman | 0:014fad4dfb9d | 55 | AdVal->FKoeff[7] = 0.125; |
kevman | 0:014fad4dfb9d | 56 | AdVal->FKoeff[8] = 0.06321; |
kevman | 0:014fad4dfb9d | 57 | AdVal->FKoeff[9] = 0.01879; |
kevman | 0:014fad4dfb9d | 58 | AdVal->FKoeff[10] = -0.7128E-3; |
kevman | 0:014fad4dfb9d | 59 | |
kevman | 0:014fad4dfb9d | 60 | AdVal->nStartFk = 11; |
kevman | 0:014fad4dfb9d | 61 | AdVal->nEndeFk = 5; |
kevman | 0:014fad4dfb9d | 62 | |
kevman | 0:014fad4dfb9d | 63 | AdVal->dbUNoiseGainFaktor = 0.1; |
kevman | 0:014fad4dfb9d | 64 | AdVal->dbINoiseGainFaktor = 1.0; |
kevman | 0:014fad4dfb9d | 65 | |
kevman | 0:014fad4dfb9d | 66 | MVars.AdConvTime = 0x7F; // Startwert, längste Wandlungszeit ohne Chop Mode 0x80 ist Chopper |
kevman | 0:014fad4dfb9d | 67 | } |
kevman | 0:014fad4dfb9d | 68 | |
kevman | 0:014fad4dfb9d | 69 | |
kevman | 0:014fad4dfb9d | 70 | /*------------------------------------------------------------------------------- |
kevman | 0:014fad4dfb9d | 71 | Interrupt für den A/D Wandler einrichten. InterruptIn AdcRdy(PTB10) liegt hier |
kevman | 0:014fad4dfb9d | 72 | auf PTB10, muss je nach Hardware angepasst werden |
kevman | 0:014fad4dfb9d | 73 | -------------------------------------------------------------------------------*/ |
kevman | 0:014fad4dfb9d | 74 | int InitSpiAd(void) |
kevman | 0:014fad4dfb9d | 75 | { |
kevman | 0:014fad4dfb9d | 76 | Adc0Cs = true; |
kevman | 0:014fad4dfb9d | 77 | Adc1Cs = true; |
kevman | 0:014fad4dfb9d | 78 | |
kevman | 0:014fad4dfb9d | 79 | AdcRdy0.mode(PullUp); |
kevman | 0:014fad4dfb9d | 80 | AdcRdy1.mode(PullUp); |
kevman | 0:014fad4dfb9d | 81 | |
kevman | 0:014fad4dfb9d | 82 | Ad0CsUp(); |
kevman | 0:014fad4dfb9d | 83 | AdSckUp(); |
kevman | 0:014fad4dfb9d | 84 | printf("Nach Set Irq's\n"); |
kevman | 0:014fad4dfb9d | 85 | return(true); |
kevman | 0:014fad4dfb9d | 86 | } |
kevman | 0:014fad4dfb9d | 87 | /*------------------------------------------------------------------------------- |
kevman | 0:014fad4dfb9d | 88 | Interrupt für den A/D Wandler einrichten. InterruptIn AdcRdy(PTB10) liegt hier |
kevman | 0:014fad4dfb9d | 89 | auf PTB10, muss je nach Hardware angepasst werden |
kevman | 0:014fad4dfb9d | 90 | -------------------------------------------------------------------------------*/ |
kevman | 0:014fad4dfb9d | 91 | int ConnectIrq(void) |
kevman | 0:014fad4dfb9d | 92 | { |
kevman | 0:014fad4dfb9d | 93 | AdcRdy0.fall(&Rdy0Fall); |
kevman | 0:014fad4dfb9d | 94 | AdcRdy1.fall(&Rdy1Fall); |
kevman | 0:014fad4dfb9d | 95 | return(true); |
kevman | 0:014fad4dfb9d | 96 | } |
kevman | 0:014fad4dfb9d | 97 | |
kevman | 0:014fad4dfb9d | 98 | /*------------------------------------------------------------------------------- |
kevman | 0:014fad4dfb9d | 99 | -------------------------------------------------------------------------------*/ |
kevman | 0:014fad4dfb9d | 100 | void AdReset() |
kevman | 0:014fad4dfb9d | 101 | { |
kevman | 0:014fad4dfb9d | 102 | // macht einen kompletten Reset auf den Wandler |
kevman | 0:014fad4dfb9d | 103 | DoAdReset(); |
kevman | 0:014fad4dfb9d | 104 | printf("Nach AdReset CommonWrite Hex 00\n"); |
kevman | 0:014fad4dfb9d | 105 | |
kevman | 0:014fad4dfb9d | 106 | wait(2.0); |
kevman | 0:014fad4dfb9d | 107 | |
kevman | 0:014fad4dfb9d | 108 | } |
kevman | 0:014fad4dfb9d | 109 | /*------------------------------------------------------------------------------- |
kevman | 0:014fad4dfb9d | 110 | Macht einen Reset des A/D Wandlers |
kevman | 0:014fad4dfb9d | 111 | -------------------------------------------------------------------------------*/ |
kevman | 0:014fad4dfb9d | 112 | void DoAdReset() |
kevman | 0:014fad4dfb9d | 113 | { |
kevman | 0:014fad4dfb9d | 114 | int i; |
kevman | 0:014fad4dfb9d | 115 | |
kevman | 0:014fad4dfb9d | 116 | AdSckUp(); |
kevman | 0:014fad4dfb9d | 117 | AdMosiDown(); |
kevman | 0:014fad4dfb9d | 118 | Ad0CsDown(); |
kevman | 0:014fad4dfb9d | 119 | Ad1CsDown(); |
kevman | 0:014fad4dfb9d | 120 | short_delay(2); |
kevman | 0:014fad4dfb9d | 121 | |
kevman | 0:014fad4dfb9d | 122 | for(i=0;i<8;i++) |
kevman | 0:014fad4dfb9d | 123 | { |
kevman | 0:014fad4dfb9d | 124 | AdSckDown(); |
kevman | 0:014fad4dfb9d | 125 | short_delay(2); // min. 50ns SCK low |
kevman | 0:014fad4dfb9d | 126 | AdSckUp(); |
kevman | 0:014fad4dfb9d | 127 | short_delay(2); // min. 50ns SCK high |
kevman | 0:014fad4dfb9d | 128 | } |
kevman | 0:014fad4dfb9d | 129 | AdMosiUp(); |
kevman | 0:014fad4dfb9d | 130 | for(i=0;i<32;i++) |
kevman | 0:014fad4dfb9d | 131 | { |
kevman | 0:014fad4dfb9d | 132 | AdSckDown(); |
kevman | 0:014fad4dfb9d | 133 | short_delay(2); // min. 50ns SCK low |
kevman | 0:014fad4dfb9d | 134 | AdSckUp(); |
kevman | 0:014fad4dfb9d | 135 | short_delay(2); // min. 50ns SCK high |
kevman | 0:014fad4dfb9d | 136 | } |
kevman | 0:014fad4dfb9d | 137 | Ad0CsUp(); |
kevman | 0:014fad4dfb9d | 138 | Ad1CsUp(); |
kevman | 0:014fad4dfb9d | 139 | } |
kevman | 0:014fad4dfb9d | 140 | |
kevman | 0:014fad4dfb9d | 141 | /*------------------------------------------------------------------------------- |
kevman | 0:014fad4dfb9d | 142 | // Rdy ist der Interrupt von AD7734 |
kevman | 0:014fad4dfb9d | 143 | #define Ad0IsRdyUp() (GPIOB_PDIR & 0x000000400) |
kevman | 0:014fad4dfb9d | 144 | -------------------------------------------------------------------------------*/ |
kevman | 0:014fad4dfb9d | 145 | int AdIsRdyUp(int Chn) |
kevman | 0:014fad4dfb9d | 146 | { |
kevman | 0:014fad4dfb9d | 147 | if(Chn == 0) |
kevman | 0:014fad4dfb9d | 148 | return(Ad0IsRdyUp()); |
kevman | 0:014fad4dfb9d | 149 | else |
kevman | 0:014fad4dfb9d | 150 | return(Ad1IsRdyUp()); |
kevman | 0:014fad4dfb9d | 151 | } |
kevman | 0:014fad4dfb9d | 152 | |
kevman | 0:014fad4dfb9d | 153 | /*------------------------------------------------------------------------------- |
kevman | 0:014fad4dfb9d | 154 | -------------------------------------------------------------------------------*/ |
kevman | 0:014fad4dfb9d | 155 | void Ad7739Init(int EcmWinCall) |
kevman | 0:014fad4dfb9d | 156 | { |
kevman | 0:014fad4dfb9d | 157 | // Power on Reset |
kevman | 0:014fad4dfb9d | 158 | uint8_t i, j; |
kevman | 0:014fad4dfb9d | 159 | |
kevman | 0:014fad4dfb9d | 160 | for(i=0;i<8;i++) |
kevman | 0:014fad4dfb9d | 161 | fChnValid[i] = false; |
kevman | 0:014fad4dfb9d | 162 | |
kevman | 0:014fad4dfb9d | 163 | |
kevman | 0:014fad4dfb9d | 164 | |
kevman | 0:014fad4dfb9d | 165 | |
kevman | 0:014fad4dfb9d | 166 | // Conversiontime zuerst setzen, da dies auf die Kalibrierzeiten wirkt |
kevman | 0:014fad4dfb9d | 167 | SetAdConversionTime(); |
kevman | 0:014fad4dfb9d | 168 | |
kevman | 0:014fad4dfb9d | 169 | // die ersten vier Kanäle sind aktiv |
kevman | 0:014fad4dfb9d | 170 | for(i=0;i<3;i++) |
kevman | 0:014fad4dfb9d | 171 | { |
kevman | 0:014fad4dfb9d | 172 | fChnValid[i] = true; |
kevman | 0:014fad4dfb9d | 173 | MVars.m_fChnValid[i] = true; |
kevman | 0:014fad4dfb9d | 174 | } |
kevman | 0:014fad4dfb9d | 175 | |
kevman | 0:014fad4dfb9d | 176 | #ifdef SIO_DEBUG |
kevman | 0:014fad4dfb9d | 177 | STemp[0] = 0x00; |
kevman | 0:014fad4dfb9d | 178 | for(i=0;i<8;i++) |
kevman | 0:014fad4dfb9d | 179 | { |
kevman | 0:014fad4dfb9d | 180 | sprintf(SDebug, "Chn%d: %d", i, fChnValid[i]); |
kevman | 0:014fad4dfb9d | 181 | strcat(STemp, SDebug); |
kevman | 0:014fad4dfb9d | 182 | } |
kevman | 0:014fad4dfb9d | 183 | printf("%s \r\n",STemp); |
kevman | 0:014fad4dfb9d | 184 | #endif |
kevman | 0:014fad4dfb9d | 185 | |
kevman | 0:014fad4dfb9d | 186 | ReadAdRevisionRegister(0); |
kevman | 0:014fad4dfb9d | 187 | ReadAdRevisionRegister(1); |
kevman | 0:014fad4dfb9d | 188 | |
kevman | 0:014fad4dfb9d | 189 | // Self Calibration |
kevman | 0:014fad4dfb9d | 190 | for(i=0;i<2;i++) |
kevman | 0:014fad4dfb9d | 191 | { |
kevman | 0:014fad4dfb9d | 192 | Ad7739OutWrite(AD7739_WRITE_OP(AD7739_CHANNEL(AD7739_ADDR_MODE, 0)),i); //Mode Register 0x38 |
kevman | 0:014fad4dfb9d | 193 | Ad7739OutWrite(0x82,i); // ADC Zero-Scale schreibt nur in das erste, das genuegt |
kevman | 0:014fad4dfb9d | 194 | nMyTimer = 0; |
kevman | 0:014fad4dfb9d | 195 | while( (AdIsRdyUp(i) && (nMyTimer < 2000))); // && Ad1IsRdyUp()); |
kevman | 0:014fad4dfb9d | 196 | if(nMyTimer >=2000) |
kevman | 0:014fad4dfb9d | 197 | printf("Self Calibration finish on Timer \r\n"); |
kevman | 0:014fad4dfb9d | 198 | |
kevman | 0:014fad4dfb9d | 199 | } |
kevman | 0:014fad4dfb9d | 200 | /* |
kevman | 0:014fad4dfb9d | 201 | #ifdef SIO_DEBUG |
kevman | 0:014fad4dfb9d | 202 | printf("Nach SelfCalibration %d\r\n", nMyTimer); |
kevman | 0:014fad4dfb9d | 203 | #endif |
kevman | 0:014fad4dfb9d | 204 | Status0 = ReadAdStatusRegister(0); |
kevman | 0:014fad4dfb9d | 205 | Status1 = ReadAdStatusRegister(1); |
kevman | 0:014fad4dfb9d | 206 | #ifdef TFT_DEBUG |
kevman | 0:014fad4dfb9d | 207 | printf("St0: %d St1: %d \n", Status0, Status1); |
kevman | 0:014fad4dfb9d | 208 | #endif |
kevman | 0:014fad4dfb9d | 209 | */ |
kevman | 0:014fad4dfb9d | 210 | |
kevman | 0:014fad4dfb9d | 211 | // Fullscale Calibration |
kevman | 0:014fad4dfb9d | 212 | for(i = 0; i < 2; i++) // muss nur für die erste Adresse geschrieben werden gilt für acht Kanäle |
kevman | 0:014fad4dfb9d | 213 | { |
kevman | 0:014fad4dfb9d | 214 | Ad7739OutWrite(AD7739_WRITE_OP(AD7739_CHANNEL(AD7739_ADDR_MODE, 0)),i); |
kevman | 0:014fad4dfb9d | 215 | Ad7739OutWrite(0xA2,i); // ADC Full-Scale und 24 Bit |
kevman | 0:014fad4dfb9d | 216 | nMyTimer = 0; |
kevman | 0:014fad4dfb9d | 217 | while( (AdIsRdyUp(i) && (nMyTimer < 2000))); // && Ad1IsRdyUp()); |
kevman | 0:014fad4dfb9d | 218 | if(nMyTimer >=2000) |
kevman | 0:014fad4dfb9d | 219 | printf("FullScale Calibration finish on Timer \r\n"); |
kevman | 0:014fad4dfb9d | 220 | } |
kevman | 0:014fad4dfb9d | 221 | /* |
kevman | 0:014fad4dfb9d | 222 | #ifdef SIO_DEBUG |
kevman | 0:014fad4dfb9d | 223 | printf("Nach FullScaleCalibration %d\r\n", nMyTimer); |
kevman | 0:014fad4dfb9d | 224 | #endif |
kevman | 0:014fad4dfb9d | 225 | Status0 = ReadAdStatusRegister(0); |
kevman | 0:014fad4dfb9d | 226 | Status1 = ReadAdStatusRegister(1); |
kevman | 0:014fad4dfb9d | 227 | #ifdef TFT_DEBUG |
kevman | 0:014fad4dfb9d | 228 | printf("St0: %d St1: %d \n", Status0, Status1); |
kevman | 0:014fad4dfb9d | 229 | #endif |
kevman | 0:014fad4dfb9d | 230 | */ |
kevman | 0:014fad4dfb9d | 231 | |
kevman | 0:014fad4dfb9d | 232 | // |
kevman | 0:014fad4dfb9d | 233 | // Channel Setup Register 0x28 bis 0x2F |
kevman | 0:014fad4dfb9d | 234 | |
kevman | 0:014fad4dfb9d | 235 | // Schreiben des Channel Setup Registers 0x28 bis 0x2F |
kevman | 0:014fad4dfb9d | 236 | // Bit 2 setzt den +-2,5V Bereich, Bit 3 enabled den Kanal, Bit 5 und Bit 6 setzen den Differential Mode |
kevman | 0:014fad4dfb9d | 237 | // beide auf 0 heißt single ended |
kevman | 0:014fad4dfb9d | 238 | |
kevman | 0:014fad4dfb9d | 239 | |
kevman | 0:014fad4dfb9d | 240 | |
kevman | 0:014fad4dfb9d | 241 | for(i=0;i<4;i++) // Wandler 0 |
kevman | 0:014fad4dfb9d | 242 | { |
kevman | 0:014fad4dfb9d | 243 | Ad7739OutWrite(AD7739_WRITE_OP(AD7739_CHANNEL(AD7739_ADDR_C_SET, i)),0); // Geht an Wandler Diff Mode AI0 |
kevman | 0:014fad4dfb9d | 244 | Ad7739OutWrite(0x08,0); // 08 = +- 10V, 0A = +- 5V |
kevman | 0:014fad4dfb9d | 245 | nMyTimer = 0; |
kevman | 0:014fad4dfb9d | 246 | while( (AdIsRdyUp(0) && (nMyTimer < 2000))); // && Ad1IsRdyUp()); |
kevman | 0:014fad4dfb9d | 247 | if(nMyTimer >=2000) |
kevman | 0:014fad4dfb9d | 248 | printf("ADC0 active and Range on Timer \r\n"); |
kevman | 0:014fad4dfb9d | 249 | short_delay(10); |
kevman | 0:014fad4dfb9d | 250 | } |
kevman | 0:014fad4dfb9d | 251 | for(i=0;i<4;i++) // Wandler 1 |
kevman | 0:014fad4dfb9d | 252 | { |
kevman | 0:014fad4dfb9d | 253 | Ad7739OutWrite(AD7739_WRITE_OP(AD7739_CHANNEL(AD7739_ADDR_C_SET, i)),1); // Geht an Wandler Diff Mode AI0 |
kevman | 0:014fad4dfb9d | 254 | Ad7739OutWrite(0x00,1); // 08 = +- 10V, 0A = +- 5V, zweiter Wandler wird nicht gebraucht |
kevman | 0:014fad4dfb9d | 255 | nMyTimer = 0; |
kevman | 0:014fad4dfb9d | 256 | while( (AdIsRdyUp(1) && (nMyTimer < 2000))); // && Ad1IsRdyUp()); |
kevman | 0:014fad4dfb9d | 257 | short_delay(10); |
kevman | 0:014fad4dfb9d | 258 | if(nMyTimer >=2000) |
kevman | 0:014fad4dfb9d | 259 | printf("ADC1 active and Range on Timer \r\n"); |
kevman | 0:014fad4dfb9d | 260 | } |
kevman | 0:014fad4dfb9d | 261 | |
kevman | 0:014fad4dfb9d | 262 | printf("Nach Setup AD 1 %d\r\n", nMyTimer); |
kevman | 0:014fad4dfb9d | 263 | |
kevman | 0:014fad4dfb9d | 264 | |
kevman | 0:014fad4dfb9d | 265 | |
kevman | 0:014fad4dfb9d | 266 | // IO Register |
kevman | 0:014fad4dfb9d | 267 | for(j=0;j<2;j++) |
kevman | 0:014fad4dfb9d | 268 | { |
kevman | 0:014fad4dfb9d | 269 | Ad7739OutWrite(AD7739_WRITE_OP(AD7739_ADDR_IO),j); |
kevman | 0:014fad4dfb9d | 270 | Ad7739OutWrite(0x30,j); // 0x08 sagt, daß der Ready Pin low geht, wenn alle Kanäle konvertiert sind |
kevman | 0:014fad4dfb9d | 271 | } |
kevman | 0:014fad4dfb9d | 272 | printf("Nach IO Register \r\n"); |
kevman | 0:014fad4dfb9d | 273 | |
kevman | 0:014fad4dfb9d | 274 | AdSckUp(); |
kevman | 0:014fad4dfb9d | 275 | AdMosiDown(); |
kevman | 0:014fad4dfb9d | 276 | |
kevman | 0:014fad4dfb9d | 277 | ReadAdIoPortRegister(0); |
kevman | 0:014fad4dfb9d | 278 | ReadAdIoPortRegister(1); |
kevman | 0:014fad4dfb9d | 279 | ReadAdRevisionRegister(0); |
kevman | 0:014fad4dfb9d | 280 | ReadAdRevisionRegister(1); |
kevman | 0:014fad4dfb9d | 281 | |
kevman | 0:014fad4dfb9d | 282 | ReadAdTestRegister(0); |
kevman | 0:014fad4dfb9d | 283 | |
kevman | 0:014fad4dfb9d | 284 | ReadAdChnZeroScaleRegister(0); |
kevman | 0:014fad4dfb9d | 285 | ReadAdChnZeroScaleRegister(1); |
kevman | 0:014fad4dfb9d | 286 | |
kevman | 0:014fad4dfb9d | 287 | |
kevman | 0:014fad4dfb9d | 288 | /* while(true) |
kevman | 0:014fad4dfb9d | 289 | { |
kevman | 0:014fad4dfb9d | 290 | AdReadChannels(0,0,0); // Kanal, Wandler, ohne/mit Status |
kevman | 0:014fad4dfb9d | 291 | AdReadChannels(0,1,0); // Kanal, Wandler, ohne/mit Status |
kevman | 0:014fad4dfb9d | 292 | } |
kevman | 0:014fad4dfb9d | 293 | */ |
kevman | 0:014fad4dfb9d | 294 | } |
kevman | 0:014fad4dfb9d | 295 | /*------------------------------------------------------------------------------- |
kevman | 0:014fad4dfb9d | 296 | Setzt die Wandlungszeit für die A/D Wandler |
kevman | 0:014fad4dfb9d | 297 | -------------------------------------------------------------------------------*/ |
kevman | 0:014fad4dfb9d | 298 | void SetAdConversionTime() |
kevman | 0:014fad4dfb9d | 299 | { |
kevman | 0:014fad4dfb9d | 300 | int i; |
kevman | 0:014fad4dfb9d | 301 | uint8_t AdConversionTime; |
kevman | 0:014fad4dfb9d | 302 | |
kevman | 0:014fad4dfb9d | 303 | |
kevman | 0:014fad4dfb9d | 304 | // Wandlungszeit FF bedeutet Chopper ist an und 7F ist dei max. Wandlungszeit |
kevman | 0:014fad4dfb9d | 305 | // Die minimale Wandlungszeit ist 0x02, d.h. mit Chopper ist es 0x82, ohne 0x02 |
kevman | 0:014fad4dfb9d | 306 | // AdConversionTime = MVars.AdConvTime; |
kevman | 0:014fad4dfb9d | 307 | AdConversionTime = 0x7F; |
kevman | 0:014fad4dfb9d | 308 | for(i = 0; i < 4; i++) |
kevman | 0:014fad4dfb9d | 309 | { |
kevman | 0:014fad4dfb9d | 310 | Ad7739CommonWrite(AD7739_WRITE_OP(AD7739_CHANNEL(AD7739_ADDR_C_CT, i))); //0x30 conversion time |
kevman | 0:014fad4dfb9d | 311 | Ad7739CommonWrite(AdConversionTime); |
kevman | 0:014fad4dfb9d | 312 | // ReadAdConvTimeRegister(); |
kevman | 0:014fad4dfb9d | 313 | } |
kevman | 0:014fad4dfb9d | 314 | } |