forked from letscontrolit/ESPEasyPluginPlayground
-
Notifications
You must be signed in to change notification settings - Fork 0
/
_P167_ADS1015.ino
364 lines (327 loc) · 14.4 KB
/
_P167_ADS1015.ino
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
/*##########################################################################################
############################### Plugin 167: ADS1015 I2C 0x48) ############################
##########################################################################################
Features :
Supports slow, purple chinese ADS1015
Needs soligen2010/Adafruit_ADS1x15 patched library
https://github.com/soligen2010/Adafruit_ADS1X15
WARNING: This plugin can not coexist with ADS1115 plugin!
------------------------------------------------------------------------------------------
Copyleft Nagy Sándor 2018 - https://bitekmindenhol.blog.hu/
------------------------------------------------------------------------------------------
*/
#ifdef PLUGIN_BUILD_TESTING
#include <Adafruit_ADS1015.h>
#define ARDUINO_ARCH_ESP8266
#define PLUGIN_167
#define PLUGIN_ID_167 167
#define PLUGIN_NAME_167 "Analog input - ADS1015"
#define PLUGIN_VALUENAME1_167 "AIN0"
#define PLUGIN_VALUENAME2_167 "AIN1"
#define PLUGIN_VALUENAME3_167 "AIN2"
#define PLUGIN_VALUENAME4_167 "AIN3"
boolean Plugin_167_init = false;
Adafruit_ADS1015 Plugin_167_ads;
static byte Plugin_167_muxes[5];
boolean Plugin_167(byte function, struct EventStruct *event, String& string)
{
boolean success = false;
switch (function)
{
case PLUGIN_DEVICE_ADD:
{
Device[++deviceCount].Number = PLUGIN_ID_167;
Device[deviceCount].Type = DEVICE_TYPE_I2C;
Device[deviceCount].VType = SENSOR_TYPE_SINGLE;
Device[deviceCount].Ports = 0;
Device[deviceCount].PullUpOption = false;
Device[deviceCount].InverseLogicOption = false;
Device[deviceCount].FormulaOption = true;
Device[deviceCount].ValueCount = 4;
Device[deviceCount].SendDataOption = true;
Device[deviceCount].TimerOption = true;
Device[deviceCount].GlobalSyncOption = false;
break;
}
case PLUGIN_GET_DEVICENAME:
{
string = F(PLUGIN_NAME_167);
break;
}
case PLUGIN_GET_DEVICEVALUENAMES:
{
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[0], PSTR(PLUGIN_VALUENAME1_167));
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[1], PSTR(PLUGIN_VALUENAME2_167));
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[2], PSTR(PLUGIN_VALUENAME3_167));
strcpy_P(ExtraTaskSettings.TaskDeviceValueNames[3], PSTR(PLUGIN_VALUENAME4_167));
break;
}
case PLUGIN_WEBFORM_LOAD:
{
#define ADS1015_I2C_OPTION 4
byte addr = Settings.TaskDevicePluginConfig[event->TaskIndex][0];
int optionValues[ADS1015_I2C_OPTION] = { 0x48, 0x49, 0x4A, 0x4B };
addFormSelectorI2C(F("plugin_167_i2c"), ADS1015_I2C_OPTION, optionValues, addr);
addFormSubHeader(F("Input"));
#define ADS1015_PGA_OPTION 6
byte pga = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
String pgaOptions[ADS1015_PGA_OPTION] = {
F("2/3x gain (FS=6.144V)"),
F("1x gain (FS=4.096V)"),
F("2x gain (FS=2.048V)"),
F("4x gain (FS=1.024V)"),
F("8x gain (FS=0.512V)"),
F("16x gain (FS=0.256V)")
};
addFormSelector(F("Gain"), F("plugin_167_gain"), ADS1015_PGA_OPTION, pgaOptions, NULL, pga);
addFormSubHeader(F("Used analog input pins:"));
addFormCheckBox(F("AIN0"), F("plugin_167_ain0"), Settings.TaskDevicePluginConfig[event->TaskIndex][2]);
addFormCheckBox(F("AIN1"), F("plugin_167_ain1"), Settings.TaskDevicePluginConfig[event->TaskIndex][3]);
addFormCheckBox(F("AIN2"), F("plugin_167_ain2"), Settings.TaskDevicePluginConfig[event->TaskIndex][4]);
addFormCheckBox(F("AIN3"), F("plugin_167_ain3"), Settings.TaskDevicePluginConfig[event->TaskIndex][5]);
success = true;
break;
}
case PLUGIN_WEBFORM_SAVE:
{
Settings.TaskDevicePluginConfig[event->TaskIndex][0] = getFormItemInt(F("plugin_167_i2c"));
Settings.TaskDevicePluginConfig[event->TaskIndex][1] = getFormItemInt(F("plugin_167_gain"));
Settings.TaskDevicePluginConfig[event->TaskIndex][2] = isFormItemChecked(F("plugin_167_ain0"));
Settings.TaskDevicePluginConfig[event->TaskIndex][3] = isFormItemChecked(F("plugin_167_ain1"));
Settings.TaskDevicePluginConfig[event->TaskIndex][4] = isFormItemChecked(F("plugin_167_ain2"));
Settings.TaskDevicePluginConfig[event->TaskIndex][5] = isFormItemChecked(F("plugin_167_ain3"));
success = true;
break;
}
case PLUGIN_INIT:
{
Plugin_167_ads = Adafruit_ADS1015(Settings.TaskDevicePluginConfig[event->TaskIndex][0]);
Plugin_167_ads.begin(Settings.Pin_i2c_sda, Settings.Pin_i2c_scl);
Plugin_167_ads.setSPS(ADS1015_DR_128SPS);
Plugin_167_init = true;
byte pga = Settings.TaskDevicePluginConfig[event->TaskIndex][1];
switch (pga)
{
case 0:
{
Plugin_167_ads.setGain(GAIN_TWOTHIRDS); // 2/3x gain +/- 6.144V 1 bit = 3mV 0.1875mV (default)
break;
}
case 1:
{
Plugin_167_ads.setGain(GAIN_ONE); // 1x gain +/- 4.096V 1 bit = 2mV 0.125mV
break;
}
case 2:
{
Plugin_167_ads.setGain(GAIN_TWO); // 2x gain +/- 2.048V 1 bit = 1mV 0.0625mV
break;
}
case 3:
{
Plugin_167_ads.setGain(GAIN_FOUR); // 4x gain +/- 1.024V 1 bit = 0.5mV 0.03125mV
break;
}
case 4:
{
Plugin_167_ads.setGain(GAIN_EIGHT); // 8x gain +/- 0.512V 1 bit = 0.25mV 0.015625mV
break;
}
case 5:
{
Plugin_167_ads.setGain(GAIN_SIXTEEN);
break;
}
}
byte apin = 0;
Plugin_167_muxes[4] = 0;
while (apin < 4) {
if (Settings.TaskDevicePluginConfig[event->TaskIndex][2 + apin] == true) {
Plugin_167_muxes[apin] = 1;
Plugin_167_muxes[4] = Plugin_167_muxes[4] + 1;
} else {
Plugin_167_muxes[apin] = 0;
}
apin++;
}
success = true;
break;
}
case PLUGIN_READ:
{
int16_t value = 0;
int16_t value2 = 0;
int16_t value3 = 0;
int16_t valueref = 0;
String log = F("ADS1015 : ");
if (Plugin_167_muxes[4] > 0) { // only start if at least one analog pin selected
log += F("Analog value:");
if (Plugin_167_muxes[4] == 1) { // only one channel
byte apin = 0;
while (apin < 4) {
if (Plugin_167_muxes[apin] == 1) {
value = Plugin_167_ads.readADC_SingleEnded(apin);
UserVar[event->BaseVarIndex + apin] = (float)value;
log += F(" A");
log += apin;
log = F("=");
log += value;
}
apin++;
}
} else { // multiple channels selected
if (Plugin_167_muxes[1] == 1) { // mux1 in list
valueref = Plugin_167_ads.readADC_SingleEnded(1); // fetch AIN1 as reference
log += F(" A1=");
log += valueref;
if (Plugin_167_muxes[0] == 1) {
value = Plugin_167_ads.readADC_Differential_0_1(); // calc diff
log += F(" A0-A1=");
log += value;
value2 = Plugin_167_ads.readADC_SingleEnded(0); // fetch AIN0
log += F(" A0=");
log += value2;
if (valueref == 0) { // if reference corrupt avoid
if (value2 != 0) {
valueref = value2 - value; // recalc from AIN0
} else {
valueref = UserVar[event->BaseVarIndex + 1]; // worst case=use prev
}
} else {
if ((value2 != 0) && (valueref != value2) && (valueref > 0) && (abs(valueref - value2 + value) < (valueref / 5)) ) { // if ain1 and ain0 is valid, calc avg
valueref = (float)((valueref + value2 - value) / 2);
}
}
if (abs(valueref - value2 + value) < (valueref / 5)) {
UserVar[event->BaseVarIndex] = valueref + value;
} else {
UserVar[event->BaseVarIndex] = value2;
}
log += F(" A1=");
log += valueref;
log += F(" A0=");
log += UserVar[event->BaseVarIndex];
}
if (Plugin_167_muxes[3] == 1) {
value = Plugin_167_ads.readADC_Differential_1_3(); // calc diff
log += F(" A1-A3=");
log += value;
value3 = Plugin_167_ads.readADC_SingleEnded(3); // fetch AIN3
log += F(" A3=");
log += value3;
if (valueref == 0) { // if reference corrupt avoid
if (value3 != 0) {
valueref = value3 + value; // recalc from AIN3
} else {
valueref = UserVar[event->BaseVarIndex + 1]; // worst case=use prev
}
} else {
if ((value3 != 0) && (valueref != value3) && (valueref > 0) && (abs(valueref - value3 - value) < (valueref / 5)) ) { // if ain1 and ain3 is valid, calc avg
valueref = (float)((valueref + value3 + value) / 2);
}
}
if (abs(valueref - value3 - value) < (valueref / 5)) {
UserVar[event->BaseVarIndex + 3] = valueref - value;
} else {
UserVar[event->BaseVarIndex + 3] = value3;
}
log += F(" A1=");
log += valueref;
log += F(" A3=");
log += UserVar[event->BaseVarIndex + 3];
}
if (Plugin_167_muxes[2] == 1) {
value = Plugin_167_ads.readADC_SingleEnded(2);
UserVar[event->BaseVarIndex + 2] = (float)value;
log += F(" A2=");
log += UserVar[event->BaseVarIndex + 2];
}
UserVar[event->BaseVarIndex + 1] = (float)valueref;
value = Plugin_167_ads.readADC_SingleEnded(1); // fetch AIN1 to memory - last reading sometime arrives in the next read cycle as result for any channel
} else { // mux1 not in list
if (Plugin_167_muxes[3] == 1) { // mux3 in list
valueref = Plugin_167_ads.readADC_SingleEnded(3); // fetch AIN3 as reference
log += F(" A3=");
log += valueref;
if (Plugin_167_muxes[0] == 1) {
value = Plugin_167_ads.readADC_Differential_0_3(); // calc diff
value2 = Plugin_167_ads.readADC_SingleEnded(0); // fetch AIN0
log += F(" A0-A3=");
log += value;
log += F(" A0=");
log += value2;
if (valueref == 0) { // if reference corrupt avoid
if (value2 != 0) {
valueref = value2 - value; // recalc from AIN0
} else {
valueref = UserVar[event->BaseVarIndex + 3]; // worst case=use prev
}
} else {
if ((value2 != 0) && (valueref != value2) && (valueref > 0) && (abs(valueref - value2 + value) < (valueref / 5)) ) { // if ain3 and ain0 is valid, calc avg
valueref = (float)((valueref + value2 - value) / 2);
}
}
if (abs(valueref - value2 + value) < (valueref / 5)) {
UserVar[event->BaseVarIndex] = valueref + value;
} else {
UserVar[event->BaseVarIndex] = value2;
}
log += F(" A3=");
log += valueref;
log += F(" A0=");
log += UserVar[event->BaseVarIndex];
}
if (Plugin_167_muxes[2] == 1) {
value = Plugin_167_ads.readADC_Differential_2_3(); // calc diff
value2 = Plugin_167_ads.readADC_SingleEnded(2); // fetch AIN2
log += F(" A2-A3=");
log += value;
log += F(" A2=");
log += value2;
if (valueref == 0) { // if reference corrupt avoid
if (value2 != 0) {
valueref = value2 - value; // recalc from AIN2
} else {
valueref = UserVar[event->BaseVarIndex + 3]; // worst case=use prev
}
} else {
if ((value2 != 0) && (valueref != value2) && (valueref > 0) && (abs(valueref - value2 + value) < (valueref / 5)) ) { // if ain3 and ain2 is valid, calc avg
valueref = (float)((valueref + value2 - value) / 2);
}
}
if (abs(valueref - value2 + value) < (valueref / 5)) {
UserVar[event->BaseVarIndex + 2] = valueref + value;
} else {
UserVar[event->BaseVarIndex + 2] = value2;
}
log += F(" A3=");
log += valueref;
log += F(" A2=");
log += UserVar[event->BaseVarIndex + 2];
}
UserVar[event->BaseVarIndex + 3] = (float)valueref;
value = Plugin_167_ads.readADC_SingleEnded(3); // fetch AIN3 to memory
} else { // end of mux3
if (Plugin_167_muxes[0] == 1) { // mux0 in list
value = Plugin_167_ads.readADC_SingleEnded(0); // fetch AIN0 as reference
UserVar[event->BaseVarIndex] = (float)value;
log += F(" A0=");
log += value;
value = Plugin_167_ads.readADC_SingleEnded(2);
UserVar[event->BaseVarIndex + 2] = (float)value;
log += F(" A2=");
log += value;
value = Plugin_167_ads.readADC_SingleEnded(0); // fetch AIN0 to memory
}
} // end of not mux3
} // end of not mux1
}
}
addLog(LOG_LEVEL_INFO, log);
success = true;
break;
}
}
return success;
}
#endif