commit dd4d880e00e03c21ffc2b43e1dcb1bd38ef58ff0
Author: BinHong Lee <binhong@binhong.me>
Date:   Mon Apr 17 05:34:42 2017 +0000

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..431e3c1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+*.o
+photo.jpg
+sendMail.sh
diff --git a/compileandexecute.sh b/compileandexecute.sh
new file mode 100755
index 0000000..976ac92
--- /dev/null
+++ b/compileandexecute.sh
@@ -0,0 +1,2 @@
+g++ main.c -o main.o -lwiringPi
+./main.o
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..f5582b3
--- /dev/null
+++ b/main.c
@@ -0,0 +1,102 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <wiringPi.h>
+#include <wiringPiI2C.h>
+#include <errno.h>
+
+#define MPU3050_PWR	(0x6b)
+#define MPU3050_I2C	(0x69)
+#define MPU3050_REG	(0x21)
+#define	LED	0
+#define BUTTON	5
+#define DEBOUNCE_MS	1000
+
+volatile int trigger;
+volatile uint8_t photoTaken;
+volatile unsigned int prevTime = 0;
+volatile uint8_t btnClicked = 0;
+
+void myInterrupt(void)
+{
+	unsigned int currentTime = millis();
+	unsigned int deltaTime = currentTime - prevTime;
+
+	printf("%d\n", deltaTime);
+	if (deltaTime > DEBOUNCE_MS)
+	{
+		btnClicked = 1;
+		prevTime = currentTime;
+		printf("test\n");
+		if (trigger == 0)
+		{
+			photoTaken = 0;
+			trigger = 1;
+			digitalWrite(LED, LOW);
+			printf("T R I G G E R R E D\n");
+		}
+		else
+		{
+			photoTaken = 0;
+			trigger = 0;
+			digitalWrite(LED, HIGH);
+			delay(100);
+			digitalWrite(LED, LOW);
+			delay(100);
+			digitalWrite(LED, HIGH);
+			delay(100);
+			digitalWrite(LED, LOW);
+			printf("T R I G G E R R E D  A G A I N\n");
+		}
+	}
+}
+
+int main()
+{
+	photoTaken = 0;
+	trigger = 0;
+
+	wiringPiSetup();
+	pinMode(BUTTON, INPUT);
+	pinMode(LED, OUTPUT);
+	
+	int isrSetup = wiringPiISR(BUTTON, INT_EDGE_FALLING, &myInterrupt);
+	int i2cSetup = wiringPiI2CSetup(MPU3050_I2C);
+
+	if (i2cSetup < 0||isrSetup < 0)
+		return 0;
+
+	wiringPiI2CWriteReg8(i2cSetup, MPU3050_PWR, 0x01);
+	int gyroInput;
+	int count = 0;
+	while(1)
+	{
+		gyroInput = wiringPiI2CReadReg8(i2cSetup, MPU3050_REG);
+
+		if(gyroInput == 0)
+		{
+			count++;
+			if (count > 10 && trigger == 0 && photoTaken == 0)
+			{
+				digitalWrite(LED, HIGH);
+				delay(2000);
+
+				if (!btnClicked)
+				{
+					system("raspistill -v -o photo.jpg && ./sendMail.sh");
+					photoTaken = 1;
+				}
+
+				btnClicked = 0;
+			}
+		}
+		else
+		{
+			count = 0;
+			digitalWrite(LED, LOW);
+		}
+
+		delay(100);
+	}
+	return 0;
+}