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fixed indentation in arduino.rb
Signed-off-by: Akash Manohar J <[email protected]>
1 parent 601c124 commit b8a4788

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3 files changed

+286
-253
lines changed

3 files changed

+286
-253
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‎arduino.pde

+151-131
Original file line numberDiff line numberDiff line change
@@ -1,131 +1,151 @@
1-
// variable to store the data from the serial port
2-
int cmd = 0;
3-
4-
// command arguments
5-
int cmd_arg[2];
6-
7-
8-
void setup() {
9-
// connect to the serial port
10-
Serial.begin(115200);
11-
// confirm ready state
12-
13-
while(Serial.available()<1)
14-
{
15-
// get number of output pins and convert to int
16-
cmd = int(readData()) - 48;
17-
for(int i=0; i<cmd; i++)
18-
{
19-
cmd_arg[0] = int(readData()) - 48;
20-
pinMode(cmd_arg[0], OUTPUT);
21-
}
22-
break;
23-
}
24-
}
25-
26-
void loop()
27-
{
28-
29-
askCmd();
30-
31-
if(Serial.available()>0)
32-
{
33-
cmd = int(Serial.read()) - 48;
34-
35-
if(cmd==0) //set digital low
36-
{
37-
cmd_arg[0] = int(readData()) - 48;
38-
digitalWrite(cmd_arg[0],LOW);
39-
}
40-
41-
if(cmd==1) //set digital high
42-
{
43-
cmd_arg[0] = int(readData()) - 48;
44-
digitalWrite(cmd_arg[0],HIGH);
45-
}
46-
47-
if(cmd==2) //get digital value
48-
{
49-
cmd_arg[0] = int(readData()) - 48;
50-
cmd_arg[0] = digitalRead(cmd_arg[0]);
51-
Serial.println(cmd_arg[0]);
52-
}
53-
54-
if(cmd==3) // set analog value
55-
{
56-
Serial.println("I'm in the right place");
57-
cmd_arg[0] = int(readData()) - 48;
58-
cmd_arg[1] = readHexValue();
59-
analogWrite(cmd_arg[0],cmd_arg[1]);
60-
}
61-
62-
if(cmd==4) //read analog value
63-
{
64-
cmd_arg[0] = int(readData()) - 48;
65-
cmd_arg[0] = analogRead(cmd_arg[0]);
66-
Serial.println(cmd_arg[0]);
67-
}
68-
}
69-
}
70-
71-
char readData()
72-
{
73-
askData();
74-
75-
while(1)
76-
{
77-
if(Serial.available()>0)
78-
{
79-
return Serial.read();
80-
}
81-
}
82-
}
83-
84-
85-
//read hex value from serial and convert to integer
86-
int readHexValue()
87-
{
88-
int strval[2];
89-
int converted_str;
90-
91-
while(1)
92-
{
93-
if(Serial.available()>0)
94-
{
95-
strval[0] = convert_hex_to_int(Serial.read());
96-
break;
97-
}
98-
}
99-
100-
askData();
101-
102-
while(1)
103-
{
104-
if(Serial.available()>0)
105-
{
106-
strval[1] = convert_hex_to_int(Serial.read());
107-
break;
108-
}
109-
}
110-
111-
converted_str = (strval[0]*16) + strval[1];
112-
return converted_str;
113-
}
114-
115-
int convert_hex_to_int(char c)
116-
{
117-
return (c <= '9') ? c-'0' : c-'a'+10;
118-
}
119-
120-
void askData()
121-
{
122-
Serial.println("?");
123-
}
124-
125-
void askCmd()
126-
{
127-
askData();
128-
while(Serial.available()<=0)
129-
{}
130-
}
131-
1+
// variable to store the data from the serial port
2+
int cmd = 0;
3+
4+
// command arguments
5+
int cmd_arg[2];
6+
7+
int serialStatus = 0;
8+
9+
void setup() {
10+
// connect to the serial port
11+
Serial.begin(115200);
12+
setupPins();
13+
serialStatus = 1;
14+
}
15+
16+
void loop()
17+
{
18+
19+
if(serialStatus==0)
20+
{
21+
Serial.flush();
22+
setupPins();
23+
}
24+
askCmd();
25+
26+
{
27+
if(Serial.available()>0)
28+
{
29+
cmd = int(Serial.read()) - 48;
30+
31+
if(cmd==0) //set digital low
32+
{
33+
cmd_arg[0] = int(readData()) - 48;
34+
digitalWrite(cmd_arg[0],LOW);
35+
}
36+
37+
if(cmd==1) //set digital high
38+
{
39+
cmd_arg[0] = int(readData()) - 48;
40+
digitalWrite(cmd_arg[0],HIGH);
41+
}
42+
43+
if(cmd==2) //get digital value
44+
{
45+
cmd_arg[0] = int(readData()) - 48;
46+
cmd_arg[0] = digitalRead(cmd_arg[0]);
47+
Serial.println(cmd_arg[0]);
48+
}
49+
50+
if(cmd==3) // set analog value
51+
{
52+
Serial.println("I'm in the right place");
53+
cmd_arg[0] = int(readData()) - 48;
54+
cmd_arg[1] = readHexValue();
55+
analogWrite(cmd_arg[0],cmd_arg[1]);
56+
}
57+
58+
if(cmd==4) //read analog value
59+
{
60+
cmd_arg[0] = int(readData()) - 48;
61+
cmd_arg[0] = analogRead(cmd_arg[0]);
62+
Serial.println(cmd_arg[0]);
63+
}
64+
65+
if(cmd==5)
66+
{
67+
serialStatus = 0;
68+
}
69+
}
70+
}
71+
}
72+
73+
char readData()
74+
{
75+
askData();
76+
77+
while(1)
78+
{
79+
if(Serial.available()>0)
80+
{
81+
return Serial.read();
82+
}
83+
}
84+
}
85+
86+
87+
//read hex value from serial and convert to integer
88+
int readHexValue()
89+
{
90+
int strval[2];
91+
int converted_str;
92+
93+
while(1)
94+
{
95+
if(Serial.available()>0)
96+
{
97+
strval[0] = convert_hex_to_int(Serial.read());
98+
break;
99+
}
100+
}
101+
102+
askData();
103+
104+
while(1)
105+
{
106+
if(Serial.available()>0)
107+
{
108+
strval[1] = convert_hex_to_int(Serial.read());
109+
break;
110+
}
111+
}
112+
113+
converted_str = (strval[0]*16) + strval[1];
114+
return converted_str;
115+
}
116+
117+
118+
int convert_hex_to_int(char c)
119+
{
120+
return (c <= '9') ? c-'0' : c-'a'+10;
121+
}
122+
123+
124+
void askData()
125+
{
126+
Serial.println("?");
127+
}
128+
129+
130+
void askCmd()
131+
{
132+
askData();
133+
while(Serial.available()<=0)
134+
{}
135+
}
136+
137+
138+
void setupPins()
139+
{
140+
while(Serial.available()<1)
141+
{
142+
// get number of output pins and convert to int
143+
cmd = int(readData()) - 48;
144+
for(int i=0; i<cmd; i++)
145+
{
146+
cmd_arg[0] = int(readData()) - 48;
147+
pinMode(cmd_arg[0], OUTPUT);
148+
}
149+
break;
150+
}
151+
}

‎example_blink.rb

+6-2
Original file line numberDiff line numberDiff line change
@@ -1,17 +1,21 @@
11
require "./lib/arduino"
22

3+
port = '/dev/ttyUSB0'
4+
35
#specify the port as an argument
4-
board = Arduino.new('/dev/ttyUSB0')
6+
board = Arduino.new(port)
57

68
#declare output pins
79
board.output(13)
810

911
#perform operations
10-
10.times do
12+
5.times do
1113
board.setHigh(13)
1214
puts "High" if board.getState(13)
1315
sleep(1)
1416
board.setLow(13)
1517
puts "Low" if !board.getState(13)
1618
sleep(1)
1719
end
20+
21+
board.close

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