JeVois Tutorials
1.21
JeVois Smart Embedded Machine Vision Tutorials
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snip
ardublinkez.C
Go to the documentation of this file.
1
// JeVois + Arduino blink for X - easy version
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3
// Pin for LED, blinks as we receive serial commands:
4
#define LEDPIN 17
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// Serial port to use: on chips with USB (e.g., 32u4), that usually is Serial1.
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// On chips without USB, use Serial:
8
#define SERIAL Serial1
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// Buffer for received serial port bytes:
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#define INLEN 256
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char
instr
[
INLEN
+ 1];
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// Our desired object: should be one of the 1000 ImageNet category names
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#define CATEGORY "computer_keyboard"
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void
setup
()
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{
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SERIAL
.begin(115200);
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SERIAL
.setTimeout(500);
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pinMode(
LEDPIN
, OUTPUT);
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digitalWrite(
LEDPIN
, HIGH);
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}
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void
loop
()
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{
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// Read a line of data from JeVois:
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byte
len =
SERIAL
.readBytesUntil(
'\n'
,
instr
,
INLEN
);
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// Make sure the string is null-terminated:
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instr
[len--] =
'\0'
;
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// Cleanup any trailing whitespace:
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while
(len >= 0 &&
instr
[len] ==
' '
||
instr
[len] ==
'\r'
||
instr
[len] ==
'\n'
)
instr
[len--] =
'\0'
;
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// If empty (including timeout), stop here:
38
if
(len < 0)
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{
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digitalWrite(
LEDPIN
, HIGH);
// turn LED off (it has inverted logic)
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return
;
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}
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// If the message is a match for our desired category, turn led on, otherwise off:
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if
(strcmp(
instr
,
"TO "
CATEGORY
) == 0)
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digitalWrite(
LEDPIN
, LOW);
// turn LED on (it has inverted logic)
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else
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digitalWrite(
LEDPIN
, HIGH);
// turn LED off
49
}
LEDPIN
#define LEDPIN
Definition
ardublinkez.C:4
setup
void setup()
Definition
ardublinkez.C:17
INLEN
#define INLEN
Definition
ardublinkez.C:11
CATEGORY
#define CATEGORY
Definition
ardublinkez.C:15
SERIAL
#define SERIAL
Definition
ardublinkez.C:8
instr
char instr[INLEN+1]
Definition
ardublinkez.C:12
loop
void loop()
Definition
ardublinkez.C:26
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