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 | /*
*
* ______________ ____ _____ _ _ _
* | __ __ | / __ \ _________ _________ ____ | __ \ | | \\ //
* | |__| |__| | | | | |___ ___ ___ ___ / __ \ | | | | | | \\ //
* |_ _________| | | | | | | | | | | | | | | | | | | | |
* | \__/ | | |__| | | | | | | |__| | | |__| | | | | |
* | | \____/ |_| |_| \____/ |_____/ |_| |_|
* |_ _________|
* \__/
*
* This Sketch was created to control Otto Starter with the Offical Web Bluetooth Controller for Otto DIY Robots.
* For any question about this script you can contact us at education@ottodiy.com
* By: Iván R. Artiles
*/
#include <Otto.h>
#include <EEPROM.h>
#define LEFTLEG 2
#define RIGHTLEG 3
#define LEFTFOOT 4
#define RIGHTFOOT 5
#define TRIG 8
#define ECHO 9
#define BLE_TX 11
#define BLE_RX 12
#define BUZZER 13
#if defined(ARDUINO_ARCH_ESP32)
#include "BluetoothSerial.h"
String device_name = "Otto BT Esp32 A21";
BluetoothSerial bluetooth;
#else
#include <SoftwareSerial.h>
String device_name = "NFU-OSSR-A21";
SoftwareSerial bluetooth(BLE_TX, BLE_RX);
#endif
int move_speed[] = {3000, 2000, 1000, 750, 500, 250};
int n = 2;
int ultrasound_threeshold = 15;
String command = "";
int v;
int ch;
int i;
int positions[] = {90, 90, 90, 90};
int8_t trims[4] = {0,0,0,0};
unsigned long sync_time = 0;
bool calibration = false;
int isavailable = 1;
Otto Ottobot;
long ultrasound_distance() {
long duration, distance;
digitalWrite(TRIG,LOW);
delayMicroseconds(2);
digitalWrite(TRIG, HIGH);
delayMicroseconds(10);
digitalWrite(TRIG, LOW);
duration = pulseIn(ECHO, HIGH);
distance = duration/58;
return distance;
}
void setup() {
Serial.begin(9600);
Ottobot.init(LEFTLEG, RIGHTLEG, LEFTFOOT, RIGHTFOOT, true, BUZZER);
pinMode(TRIG, OUTPUT);
pinMode(ECHO, INPUT);
#if defined(ARDUINO_ARCH_ESP32)
Serial.print("ESP32");
bluetooth.begin(device_name);
//bluetooth.deleteAllBondedDevices(); // Uncomment this to delete paired devices; Must be called after begin
#else
Serial.print("No ESP32");
Serial.print(device_name);
bluetooth.begin(9600);
bluetooth.print("AT+NAME" + device_name+ "\r\n");
#endif
Ottobot.home();
v = 0;
}
void loop() {
checkBluetooth();//if something is coming at us
if (Serial.available() > 0) {
command = Serial.readStringUntil('\n');
command.trim(); // 去掉換行與空白
Serial.print("Received: ");
Serial.println(command);
}
if (command == "forward") {
Forward();
}
else if (command == "backward") {
Backward();
}
else if (command == "right") {
Right();
}
else if (command == "left") {
Left();
}
else if (command == "avoidance") {
Avoidance();
}
else if (command == "force") {
UseForce();
}
}
void checkBluetooth() {
char charBuffer[20]; // 最多讀 19 字元 + 結尾 0
if (bluetooth.available() > 0) {
isavailable = 1;
int numberOfBytesReceived = bluetooth.readBytesUntil('\n', charBuffer, 19);
if (numberOfBytesReceived <= 0) return;
charBuffer[numberOfBytesReceived] = '\0'; // C 字串結尾
Serial.print("Received by BLE: ");
Serial.println(charBuffer);
// 最後一個字元當作速度 index(0~9),避免不是數字時出錯可稍微檢查
char last = charBuffer[numberOfBytesReceived - 1];
if (last >= '0' && last <= '9') {
n = last - '0';
if (n < 0) n = 0;
if (n > 5) n = 5; // 限制在 0~5
}
// 前面幾個字元當作指令名稱
if (strstr(charBuffer, "forward") == &charBuffer[0]) {
command = "forward";
}
else if (strstr(charBuffer, "backward") == &charBuffer[0]) {
command = "backward";
}
else if (strstr(charBuffer, "right") == &charBuffer[0]) {
command = "right";
}
else if (strstr(charBuffer, "left") == &charBuffer[0]) {
command = "left";
}
else if (strstr(charBuffer, "stop") == &charBuffer[0]) {
command = "stop";
Stop();
}
else if (strstr(charBuffer, "ultrasound") == &charBuffer[0]) {
Stop();
bluetooth.print(ultrasound_distance());
}
else if (strstr(charBuffer, "avoidance") == &charBuffer[0]) {
command = "avoidance";
}
else if (strstr(charBuffer, "force") == &charBuffer[0]) {
command = "force";
}
// ===== 表情 / 手勢指令區 =====
else if (strstr(charBuffer, "happy") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoHappy);
}
else if (strstr(charBuffer, "superhappy") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoSuperHappy);
}
else if (strstr(charBuffer, "sad") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoSad);
}
else if (strstr(charBuffer, "sleeping") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoSleeping);
}
else if (strstr(charBuffer, "confused") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoConfused);
}
else if (strstr(charBuffer, "fretful") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoFretful);
}
else if (strstr(charBuffer, "love") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoLove);
}
else if (strstr(charBuffer, "angry") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoAngry);
}
else if (strstr(charBuffer, "magic") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoMagic);
}
else if (strstr(charBuffer, "wave") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoWave);
}
else if (strstr(charBuffer, "victory") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoVictory);
}
else if (strstr(charBuffer, "fail") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoFail);
}
else if (strstr(charBuffer, "fart") == &charBuffer[0]) {
command = "";
Ottobot.playGesture(OttoFart);
}
// 校正與測試
else if (strstr(charBuffer, "C") == &charBuffer[0]) {
if (calibration == false) {
Ottobot._moveServos(10, positions);
calibration = true;
delay(50);
}
command = "calibration";
Calibration(String(charBuffer));
}
else if (strstr(charBuffer, "walk_test") == &charBuffer[0]) {
command = "";
Ottobot.walk(3, 1000, FORWARD);
}
else if (strstr(charBuffer, "save_calibration") == &charBuffer[0]) {
command = "";
readChar('s');
}
}
else {
if (isavailable == 1) {
Serial.println("No Bluetooth is available.");
isavailable = 0;
}
}
}
void Forward() {
Ottobot.walk(1, move_speed[n], FORWARD);
}
void Backward() {
Ottobot.walk(1, move_speed[n], BACKWARD);
}
void Right() {
Ottobot.walk(1, move_speed[n], RIGHT);
}
void Left() {
Ottobot.walk(1, move_speed[n], LEFT);
}
void Stop() {
Ottobot.home();
}
void Avoidance() {
if (ultrasound_distance() <= ultrasound_threeshold) {
Ottobot.playGesture(OttoConfused);
for (int count=0 ; count<2 ; count++) {
Ottobot.walk(1,move_speed[n],-1); // BACKWARD
}
for (int count=0 ; count<4 ; count++) {
Ottobot.turn(1,move_speed[n],1); // LEFT
}
}
Ottobot.walk(1,move_speed[n],1); // FORWARD
}
void UseForce() {
if (ultrasound_distance() <= ultrasound_threeshold) {
Ottobot.walk(1,move_speed[n],-1); // BACKWARD
}
if ((ultrasound_distance() > 10) && ( ultrasound_distance() < 15)) {
Ottobot.home();
}
if ((ultrasound_distance() > 15) && ( ultrasound_distance() < 30)) {
Ottobot.walk(1,move_speed[n],1); // FORWARD
}
if (ultrasound_distance() > 30) {
Ottobot.home();
}
}
void Settings(String ts_ultrasound) {
ultrasound_threeshold = ts_ultrasound.toInt();
}
void Calibration(String c) {
if (sync_time < millis()) {
sync_time = millis() + 50;
for (int k = 1; k < c.length(); k++) {
readChar((c[k]));
}
}
}
void readChar(char ch) {
switch (ch) {
case '0'...'9':
v = (v * 10 + ch) - 48;
break;
case 'a':
trims[0] = v-90;
setTrims();
v = 0;
break;
case 'b':
trims[1] = v-90;
setTrims();
v = 0;
break;
case 'c':
trims[2] = v-90;
setTrims();
v = 0;
break;
case 'd':
trims[3] = v-90;
setTrims();
v = 0;
break;
case 's':
for (i=0 ; i<=3 ; i=i+1) {
EEPROM.write(i,trims[i]);
}
delay(500);
Ottobot.sing(S_superHappy);
Ottobot.crusaito(1, 1000, 25, -1);
Ottobot.crusaito(1, 1000, 25, 1);
Ottobot.sing(S_happy_short);
break;
}
}
void setTrims() {
Ottobot.setTrims(trims[0],trims[1],trims[2],trims[3]);
Ottobot._moveServos(10, positions);
}
|