update selector mechanism menggunakan 4 demultiplexer 74LS138
parent
39cb305fe8
commit
c8796cd9b9
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@ -4,13 +4,13 @@ import 'dart:io';
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class X9c10x {
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final int _id;
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final int _ohm;
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//final int _ohm;
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final GPIO _inc;
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final GPIO _ud;
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final GPIO? _ss;
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final _log = Logger("X9C10X");
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Function(int)? _onSelect;
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Function(int)? _onRelease;
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final Function(int)? _onSelect;
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final Function(int)? _onRelease;
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X9c10x({
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required int id,
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@ -20,13 +20,15 @@ class X9c10x {
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GPIO? ss,
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dynamic Function(int)? onSelect,
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dynamic Function(int)? onRelease,
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}) : _onRelease = onRelease, _onSelect = onSelect, _ss = ss, _ud = ud, _inc = inc, _ohm = ohm, _id = id;
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}) : _onRelease = onRelease, _onSelect = onSelect, _ss = ss, _ud = ud, _inc = inc, _id = id;
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void _selectChip(){
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_onSelect?.call(_id);
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_ss?.write(false);
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_log.info("_selectChip() <$_id>");
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}
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void _releaseChip(){
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_log.info("_releaseChip() <$_id>");
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_ss?.write(true);
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_onRelease?.call(_id);
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}
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@ -35,11 +37,11 @@ class X9c10x {
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void _storeSkip()=>sleep(const Duration(milliseconds: 20));
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Future<void> wipeUp() async {
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_log.info("wipeUp()");
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_selectChip();
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_ud.write(true);
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_skip();
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_inc.write(false);
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while(true){} //TODO: DEAD CODE;
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_skip();
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_inc.write(true);
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_releaseChip();
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@ -47,6 +49,7 @@ class X9c10x {
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}
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Future<void> wipeDown() async {
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_log.info("wipeDown()");
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_selectChip();
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_ud.write(false);
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_skip();
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@ -36,7 +36,7 @@ class Ads1256 {
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String? tag,
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int? pinReset,
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int? pinCS }){
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spi = SPI(spiBus, spiChip, SPImode.mode1, 500000);
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spi = SPI(spiBus, spiChip, SPImode.mode1, 50000);
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drdy = GPIO(pinDrdy, GPIOdirection.gpioDirIn, gpioChip);
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cs = pinCS != null ? GPIO(pinCS, GPIOdirection.gpioDirOutHigh, gpioChip): null;
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rst = pinReset != null ? GPIO(pinReset, GPIOdirection.gpioDirOutHigh, gpioChip): null;
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@ -108,16 +108,16 @@ class Ads1256 {
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void csOn(){
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cs?.write(isCSActiveHigh?true:false);
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//skipClk();
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//skipClk();
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skipClk();
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skipClk();
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skipClk();
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log.info(" > Start transfer");
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}
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void csOff(){
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log.info(" > End transfer");
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cs?.write(isCSActiveHigh?false:true);
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//skipClk();
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//skipClk();
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skipClk();
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skipClk();
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skipClk();
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}
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@ -134,15 +134,18 @@ class Ads1256 {
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bufferNCS = buffen;
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autoCalibrationNCS = true;
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clockOutRateNCS = CLKOUT_OFF;
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programmableGainNCS = gain;
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dataRateNCS = drate;
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var st = statusNCS.toRadixString(16);
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var ac = controlRegisterNCS.toRadixString(16);
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var dt = dataRateNCS.toRadixString(16);
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csOff();
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log.info(" status : $st");
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log.info(" adcon : $ac");
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programmableGainNCS = gain;
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var st = statusNCS.toRadixString(16);
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log.info(" status : $st");
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dataRateNCS = drate;
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var dt = dataRateNCS.toRadixString(16);
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log.info(" drate : $dt");
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csOff();
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skipClk();
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calibrateOffsetGain();
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}
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@ -27,7 +27,7 @@ class HeartBeatMice {
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HeartBeatMice(){
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var inc = GPIO(205, GPIOdirection.gpioDirOutHigh, 1);
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var ud = GPIO(204, GPIOdirection.gpioDirOutHigh, 1);
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gain = List<X9c10x>.generate(15, (i){
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gain = List<X9c10x>.generate(16, (i){
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return X9c10x(
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id: i,
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ohm: 104000,
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@ -37,7 +37,7 @@ class HeartBeatMice {
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onRelease: _releaseGain,
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);
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}, growable: false);
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offset = List<X9c10x>.generate(15, (i){
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offset = List<X9c10x>.generate(16, (i){
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return X9c10x(
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id: i,
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ohm: 104000,
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@ -52,11 +52,14 @@ class HeartBeatMice {
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void init(){
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adc1.begin(Ads1256.DRATE_500SPS, Ads1256.GAIN_1, true);
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adc2.begin(Ads1256.DRATE_500SPS, Ads1256.GAIN_1, true);
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adc1.ioDir = [Ads1256.IO_DIR_OUT, Ads1256.IO_DIR_OUT, Ads1256.IO_DIR_OUT, Ads1256.IO_DIR_OUT];
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adc1.dIO = [false, false, false, false]; //selec A B C NC
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log.info(" adcon : ${adc1.controlRegisterNCS.toRadixString(16)}");
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adc2.begin(Ads1256.DRATE_500SPS, Ads1256.GAIN_1, true);
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adc2.ioDir = [Ads1256.IO_DIR_OUT, Ads1256.IO_DIR_OUT, Ads1256.IO_DIR_OUT, Ads1256.IO_DIR_OUT];
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adc1.dIO = [true, true, true, false]; // SIG2 SIG1 EN2 EN1
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adc2.dIO = [false, false, false, false]; // S0 S1 S2 S3
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adc2.dIO = [false, false, false, false]; //mux 0 1 2 3
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log.info(" adcon : ${adc2.controlRegisterNCS.toRadixString(16)}");
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}
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@ -65,8 +68,7 @@ class HeartBeatMice {
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//TODO: check kebenaran
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var adc = switch (no) {
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1 || 2 || 3 || 4 || 9 || 10 || 11 || 12 =>adc2,
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5 || 6 || 7 || 8 || 13 || 14 || 15 || 16 || _ =>adc1,
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};
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5 || 6 || 7 || 8 || 13 || 14 || 15 || 16 || _ =>adc1, };
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//TODO: check kebenaran
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var ain = switch (no) {
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1 || 13=>Ads1256.MUXP_AIN0,
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@ -89,61 +91,67 @@ class HeartBeatMice {
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void _signalMux(int n, bool val) {
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log.info('_signalMux() <$n> <$val>');
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int i = switch (n) {
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1 => 1,
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2 => 0,
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1 => 0,
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2 => 1,
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3 => 2,
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4 => 3,
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_ => -1
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};
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log.info(' >mux : $i');
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if (i == -1){
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return;
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}
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var adc = adc1;
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var adc = adc2;
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List<bool> io = adc.dIO;
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log.info(' >current <$io>');
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io[i] = val; //SIG
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io[i+2] = !val; //EN
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//io[i] = val; //SIG
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io[i] = val; //EN
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adc.dIO = io;
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log.info(' >confirm <${adc.dIO}>');
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}
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void _channelMux(int v) {
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int val = v-1;
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var adc = adc2;
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log.info('_channelMux() <${val.toRadixString(16)}>');
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int val = (v%8 == 0 ? 8: v%8).toUnsigned(8)-1;
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var adc = adc1;
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log.info('_channelMux() <$v>');
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log.info(' >val : <$val>');
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log.info(' >current <${adc.dIO}>');
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adc.dIO = val.toListBoolbit();
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log.info(' >confirm <${adc.dIO}>');
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}
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int _routeMux(an) => switch(an){
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1 ||2 || 3|| 4|| 5|| 6|| 7|| 8 =>1,
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9 ||8 || 10|| 11|| 12|| 13|| 14|| 15 =>2,
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_ => -1
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1 ||2 ||3 ||4 => 3,
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9 ||10 ||11 ||12 => 2,
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5 ||6 ||7 ||8 => 4,
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13 ||14 ||15 => 1,
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_=>1
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};
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void _selectOffset(int an){
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log.info('_selectOffset() <${an.toRadixString(16)}>');
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int n = _routeMux(an);
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int n = _routeMux(an+1);
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if (n == -1){
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return;
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}
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_channelMux((an*2)-1); // - 1 for offset
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_channelMux(((an+1)*2-1)); // - 1 for offset
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_signalMux(n, true);
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}
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void _releaseOffset(int an){
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log.info('_releaseGain() <${an.toRadixString(16)}>');
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int n = _routeMux(an);
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int n = _routeMux(an+1);
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_signalMux(n, false);
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}
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void _selectGain(int an){
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log.info('_selectGain() <${an.toRadixString(16)}>');
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int n = _routeMux(an);
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int n = _routeMux(an+1);
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if (n == -1){
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return;
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}
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_channelMux((an*2)-2); // - 2 for gain
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_channelMux(((an+1)*2)); // - 0 for gain
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_signalMux(n, true);
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}
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void _releaseGain(int an){
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log.info('_releaseGain() <${an.toRadixString(16)}>');
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int n = _routeMux(an);
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int n = _routeMux(an+1);
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_signalMux(n, false);
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}
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@ -48,6 +48,7 @@ class MyHomePage extends StatefulWidget {
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class _MyHomePageState extends State<MyHomePage> {
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late HeartBeatMice device;
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Logger log = Logger("_MyHomePageState");
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int index = 1;
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@override
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void initState() {
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@ -61,65 +62,85 @@ class _MyHomePageState extends State<MyHomePage> {
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device.dispose();
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}
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Widget myProbe(double height,double width, int index){
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return Column(
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children: <Widget>[
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Text("Analog $index"),
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Column(children: [
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Row(children: [
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Row(children: [
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IconButton(
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onPressed: () async {device.offset[index-1].wipeUp();} ,
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icon: const Icon(Icons.arrow_drop_up_outlined)),
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const Text("Offset"),
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IconButton(
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onPressed: () async {device.offset[index-1].wipeDown();} ,
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icon: const Icon(Icons.arrow_drop_down_outlined))
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]),
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Row(children: [
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IconButton(
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onPressed: () async {device.gain[index-1].wipeUp();} ,
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icon: const Icon(Icons.arrow_drop_up_outlined)),
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const Text("Gain"),
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IconButton(
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onPressed: () async {device.gain[index-1].wipeDown();} ,
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icon: const Icon(Icons.arrow_drop_down_outlined)),
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]),
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],),
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],
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),
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SizedBox (
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height: height.toDouble(),
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width: width,
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child : Plot(
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title: "Analog $index",
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aspectRatio: (height/ width),
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minY: -5,
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maxY: 5,
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maxTimeSeconds: 0.5,
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sampleTimeMicross: 1,
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readAnalog: () async { return device.readAnalog(index); }
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),
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),
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],
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);
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}
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@override
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Widget build(BuildContext context) {
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double height = 300;
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double width = (MediaQuery.of(context).size.width-30);
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double width = (MediaQuery.of(context).size.width-100);
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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title: Text(widget.title),
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),
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body: Row(children: [
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body:
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Row(children: [
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IconButton(
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onPressed: () {setState(() {index = ((index -1) < 1 ) ? 1 : index;});} ,
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icon: const Icon(Icons.navigate_before)),
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SizedBox(
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width: width,
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child: ListView.builder(
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itemCount: 1,
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itemBuilder: (context, i){
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var index = i+1;
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return Column(
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children: <Widget>[
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Text("Analog $index"),
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Column(children: [
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Row(children: [
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Row(children: [
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IconButton(
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onPressed: () async {device.offset[index].wipeUp();} ,
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icon: const Icon(Icons.arrow_drop_up_outlined)),
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const Text("Offset"),
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IconButton(
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onPressed: () async {device.offset[index].wipeDown();} ,
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icon: const Icon(Icons.arrow_drop_down_outlined))
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]),
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Row(children: [
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IconButton(
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onPressed: () async {device.gain[index].wipeUp();} ,
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icon: const Icon(Icons.arrow_drop_up_outlined)),
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const Text("Gain"),
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IconButton(
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onPressed: () async {device.gain[index].wipeDown();} ,
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icon: const Icon(Icons.arrow_drop_down_outlined)),
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]),
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],),
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],
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),
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SizedBox (
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height: height.toDouble(),
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width: width,
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child : Plot(
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title: "Analog $index",
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aspectRatio: (height/ width),
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minY: -5,
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maxY: 5,
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maxTimeSeconds: 0.5,
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sampleTimeMicross: 1,
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readAnalog: () async { return device.readAnalog(index); }
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),
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),
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],
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);
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},
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)),
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child: myProbe(height, width, index)
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),
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IconButton(
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onPressed: () {setState(() {index = ((index +1) > 16) ? 16 : index;});} ,
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icon: const Icon(Icons.navigate_next)),
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],)
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);
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}
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}
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// ListView.builder(
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// itemCount: 1,
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// itemBuilder: (context, i){
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// var index = i+1;
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// return ;
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// },
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// )
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// SizedBox(
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// width: width,
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// child: ListView.builder(
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@ -198,10 +219,7 @@ class _MyHomePageState extends State<MyHomePage> {
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// );
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// },
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// )),
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])
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);
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}
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}
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// Column(children: [
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// Row(children: [
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