diff --git a/Woo.c b/Woo.c
new file mode 100644
index 0000000000000000000000000000000000000000..5b677214c233bcd4ce85647d813d3f11579020a6
--- /dev/null
+++ b/Woo.c
@@ -0,0 +1,262 @@
+#include <pthread.h>
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <linux/spi/spidev.h>
+#include <linux/types.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <wiringPi.h>
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+#define gpioin 17
+#define motionout 27
+#define gasout 18
+
+static const char *DEVICE = "/dev/spidev0.0";
+static uint8_t MODE = 0;
+static uint8_t BITS = 8;
+static uint32_t CLOCK = 1000000;
+static uint16_t DELAY = 5;
+
+int count = 0;
+char msg[10] = "";
+char end[10] = "";
+int str_len;
+int sock;
+
+void error_handling(char *message)
+{
+ fputs(message, stderr);
+ fputc('\n', stderr);
+ exit(1);
+}
+
+static int prepare(int fd)
+{
+ if (ioctl(fd, SPI_IOC_WR_MODE, &MODE) == -1)
+ {
+ error_handling("Can't set MODE");
+ return -1;
+ }
+
+ if (ioctl(fd, SPI_IOC_WR_BITS_PER_WORD, &BITS) == -1)
+ {
+ error_handling("Can't set number of BITS");
+ return -1;
+ }
+
+ if (ioctl(fd, SPI_IOC_WR_MAX_SPEED_HZ, &CLOCK) == -1)
+ {
+ error_handling("Can't set write CLOCK");
+ return -1;
+ }
+
+ if (ioctl(fd, SPI_IOC_RD_MAX_SPEED_HZ, &CLOCK) == -1)
+ {
+ error_handling("Can't set read CLOCK");
+ return -1;
+ }
+
+ return 0;
+}
+
+uint8_t control_bits_differential(uint8_t channel)
+{
+ return (channel & 7) << 4;
+}
+
+uint8_t control_bits(uint8_t channel)
+{
+ return 0x8 | control_bits_differential(channel);
+}
+
+int readadc(int fd, uint8_t channel)
+{
+ uint8_t tx[] = {1, control_bits(channel), 0};
+ uint8_t rx[3];
+
+ struct spi_ioc_transfer tr = {
+ .tx_buf = (unsigned long)tx,
+ .rx_buf = (unsigned long)rx,
+ .len = ARRAY_SIZE(tx),
+ .delay_usecs = DELAY,
+ .speed_hz = CLOCK,
+ .bits_per_word = BITS,
+ };
+
+ if (ioctl(fd, SPI_IOC_MESSAGE(1), &tr) == 1)
+ {
+ error_handling("IO Error");
+ abort();
+ }
+
+ return ((rx[1] << 8) & 0x300) | (rx[2] & 0xFF);
+}
+
+void *gas_func(void *fd_ptr)
+{
+ while (strcmp("e", end) != 0)
+ {
+ int *fd = (int *)fd_ptr;
+ if (readadc(*fd, 0) > 30)
+ {
+ digitalWrite(gasout, HIGH);
+ usleep(1000 * 1000);
+ }
+ else
+ {
+ digitalWrite(gasout, LOW);
+ usleep(1000 * 1000);
+ }
+ printf("value: %d\n", readadc(*fd, 0));
+ usleep(1000 * 1000);
+ }
+ digitalWrite(gasout, LOW); //e받으면 LED끄기
+}
+
+void *motion_func()
+{
+ while (strcmp("e", end) != 0)
+ {
+ if (!digitalRead(gpioin))
+ {
+ digitalWrite(motionout, LOW);
+ printf("No Motion\n");
+ usleep(1000 * 1000);
+ }
+ else
+ {
+ digitalWrite(motionout, HIGH);
+ printf("Motion Detected\n");
+ count++;
+ printf("%d\n", count);
+ usleep(1000 * 1000);
+ }
+ delay(1000);
+ }
+ digitalWrite(motionout, LOW); //e받으면 LED끄기
+}
+
+void *read_func()
+{
+ while (1)
+ {
+ str_len = read(sock, msg, sizeof(msg));
+ if (str_len == -1)
+ error_handling("read() error");
+ if (strcmp(msg, "e") == 0)
+ {
+ strcpy(end, msg);
+ break;
+ }
+ }
+ pthread_exit;
+}
+
+int main(int argc, char *argv[])
+{
+ struct sockaddr_in serv_addr;
+
+ pthread_t p_thread[3];
+ int thr_id;
+ int status;
+
+ if (argc != 3)
+ {
+ printf("Usage : %s <IP> <port>\n", argv[0]);
+ exit(1);
+ }
+
+ sock = socket(PF_INET, SOCK_STREAM, 0);
+ if (sock == -1)
+ error_handling("socket() error");
+
+ memset(&serv_addr, 0, sizeof(serv_addr));
+ serv_addr.sin_family = AF_INET;
+ serv_addr.sin_addr.s_addr = inet_addr(argv[1]);
+ serv_addr.sin_port = htons(atoi(argv[2]));
+
+ if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) == -1)
+ error_handling("connect() error");
+
+ printf("Connection established\n");
+
+ int fd = open(DEVICE, O_RDWR);
+ if (fd <= 0)
+ {
+ error_handling("Device open error");
+ return -1;
+ }
+
+ if (prepare(fd) == -1)
+ {
+ error_handling("Device prepare error");
+ return -1;
+ }
+
+ if (wiringPiSetupGpio() == -1)
+ {
+ printf("setup error");
+ return -1;
+ }
+
+ pinMode(gpioin, INPUT);
+ pinMode(motionout, OUTPUT);
+ pinMode(gasout, OUTPUT);
+
+ while (1)
+ {
+ str_len = read(sock, msg, sizeof(msg));
+ if (str_len == -1)
+ error_handling("read() error");
+ if (strcmp("s", msg) == 0)
+ {
+ printf("got s\n");
+ thr_id = pthread_create(&p_thread[0], NULL, read_func, NULL);
+ if (thr_id < 0)
+ {
+ error_handling("read thread create error : ");
+ exit(0);
+ }
+ thr_id = pthread_create(&p_thread[1], NULL, gas_func, (void *)&fd);
+ if (thr_id < 0)
+ {
+ error_handling("gas thread create error : ");
+ exit(0);
+ }
+ thr_id = pthread_create(&p_thread[2], NULL, motion_func, NULL);
+ if (thr_id < 0)
+ {
+ error_handling("motion thread create error : ");
+ exit(0);
+ }
+
+ pthread_join(p_thread[0], (void **)&status);
+ pthread_join(p_thread[1], (void **)&status);
+ pthread_join(p_thread[2], (void **)&status);
+ }
+
+ if (strcmp("e", end) == 0)
+ {
+ printf("got e\n");
+ // pthread_cancel(p_thread[0]);
+ // pthread_cancel(p_thread[1]);
+ snprintf(msg, 2, "%d", count);
+ write(sock, msg, sizeof(msg));
+ printf("motion count : %d\n", count);
+ break;
+ }
+ }
+
+ close(sock);
+
+ return 0;
+}
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