diff --git a/lcdController.c b/lcdController.c
new file mode 100644
index 0000000000000000000000000000000000000000..0cc751209e21f65c598235bdd7ec91ec265237a2
--- /dev/null
+++ b/lcdController.c
@@ -0,0 +1,386 @@
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <wiringPi.h>
+#include <wiringPiI2C.h>
+#include <wiringPi.h>
+#include <stdbool.h>
+
+#define I2C_ADDR 0x27 // LCD 주소
+
+#define LCD_CHR 1 // Mode - Sending data
+#define LCD_CMD 0 // Mode - Sending command
+
+#define LINE1 0x80 // 첫번째 줄
+#define LINE2 0xC0 // 두번째 줄
+
+#define LCD_BACKLIGHT 0x08 // On
+// LCD_BACKLIGHT = 0x00 # Off
+
+#define ENABLE 0b00000100 // Enable bit
+
+
+#define MSG_SIZE 1024
+
+#define IN 0
+#define OUT 1
+#define PWM 0
+
+#define LOW 0
+#define HIGH 1
+#define VALUE_MAX 256
+#define DIRECTION_MAX 256
+
+
+
+void lcd_init(void);
+void lcd_byte(int bits, int mode);
+void lcd_toggle_enable(int bits);
+void lcdLoc(int line); //move cursor
+void ClrLcd(void); // clr LCD return home
+void typeln(const char *s);
+int fd; // seen by all subroutines
+
+char msg[MSG_SIZE] = {0};
+char tempMsg[MSG_SIZE] = {0};
+static int PWMExport(int pwmnum) {
+#define BUFFER_MAX 3
+ char buffer[BUFFER_MAX];
+ int fd, byte;
+
+ fd = open("/sys/class/pwm/pwmchip0/export", O_WRONLY);
+ if (-1 == fd) {
+ fprintf(stderr, "Failed to open export for export!\n");
+ return (-1);
+ }
+
+ byte = snprintf(buffer, BUFFER_MAX, "%d", pwmnum);
+ write(fd, buffer, byte);
+ close(fd);
+
+ sleep(1);
+
+ return (0);
+}
+
+static int PWMEnable(int pwmnum) {
+ static const char s_enable_str[] = "1";
+
+ char path[DIRECTION_MAX];
+ int fd;
+
+ snprintf(path, DIRECTION_MAX, "/sys/class/pwm/pwmchip0/pwm0/enable", pwmnum);
+ fd = open(path, O_WRONLY);
+ if (-1 == fd) {
+ fprintf(stderr, "Failed to open in enable!\n");
+ return -1;
+ }
+
+ write(fd, s_enable_str, strlen(s_enable_str));
+ close(fd);
+
+ return (0);
+}
+
+static int PWMWritePeriod(int pwmnum, int value) {
+ char s_value_str[VALUE_MAX];
+ char path[VALUE_MAX];
+ int fd, byte;
+
+ snprintf(path, VALUE_MAX, "/sys/class/pwm/pwmchip0/pwm0/period", pwmnum);
+ fd = open(path, O_WRONLY);
+ if (-1 == fd) {
+ fprintf(stderr, "Failed to open in period!\n");
+ return (-1);
+ }
+ byte = snprintf(s_value_str, VALUE_MAX, "%d", value);
+
+ if (-1 == write(fd, s_value_str, byte)) {
+ fprintf(stderr, "Failed to write value in period!\n");
+ close(fd);
+ return -1;
+ }
+ close(fd);
+
+ return (0);
+}
+
+static int PWMWriteDutyCycle(int pwmnum, int value) {
+ char s_value_str[VALUE_MAX];
+ char path[VALUE_MAX];
+ int fd, byte;
+
+ snprintf(path, VALUE_MAX, "/sys/class/pwm/pwmchip0/pwm0/duty_cycle", pwmnum);
+ fd = open(path, O_WRONLY);
+ if (-1 == fd) {
+ fprintf(stderr, "Failed to open in duty cycle!\n");
+ return (-1);
+ }
+ byte = snprintf(s_value_str, VALUE_MAX, "%d", value);
+
+ if (-1 == write(fd, s_value_str, byte)) {
+ fprintf(stderr, "Failed to write value in duty cycle!\n");
+ close(fd);
+ return -1;
+ }
+ close(fd);
+
+ return (0);
+}
+
+void error_handling(char *message) {
+ fputs(message, stderr);
+ fputc('\n', stderr);
+ exit(1);
+}
+
+//lcd thread
+void* lcd( void *data ) {
+
+
+ int str_len = 0;
+
+ int sock = *((int*)data);
+
+ bool isS = true;
+
+ if (wiringPiSetup () == -1) exit (1);
+
+ fd = wiringPiI2CSetup(I2C_ADDR);
+
+ lcd_init(); // setup LCD
+
+ char* sleepMode1 = "Sleep Mode On";
+ char* sleepMode2 = "Go to dreamland";
+ char* wakeUpMode1 = "Wake up !!!";
+ char* wakeUpMode2 = "Out of dreamland";
+ char* motion1 = "Motion Count";
+ char motion2[100] = "Total : ";
+
+
+ while(1){
+
+
+ if(strcmp("s", msg) == 0 && isS){ // 수면모드 on
+ printf("수면모드 on\n");
+ ClrLcd();
+ lcdLoc(LINE1);
+ typeln(sleepMode1);
+ lcdLoc(LINE2);
+ typeln(sleepMode2);
+ isS = false;
+ }
+ if(strcmp("e", msg) == 0){ // 수면 모드 off
+ printf("수면모드 off\n");
+ ClrLcd();
+ lcdLoc(LINE1);
+ typeln(wakeUpMode1);
+ lcdLoc(LINE2);
+ typeln(wakeUpMode2);
+
+ // motion number display
+
+ str_len = read(sock, msg, sizeof(msg)); // 다시 서버로부터 메세지 기다림
+
+ if (str_len == -1) error_handling("read() error");
+ if(str_len == 0) break;
+ printf("motion num: %s\n", msg);
+ strcat(motion2, msg);
+ ClrLcd();
+ lcdLoc(LINE1);
+ typeln(motion1);
+ lcdLoc(LINE2);
+ typeln(motion2);
+ delay(7000);
+ ClrLcd();
+ PWMWriteDutyCycle(PWM, 0);
+ break;
+ }
+ }
+
+
+}
+
+//led thread
+void* led( void *data ) {
+
+ int sock = *((int*)data);
+ int str_len = 0;
+ int rsCount = 0;
+ bool isRs1 = true;
+ bool isRs2 = true;
+ bool isS = true;
+ bool isRe = true;
+
+
+ while (1) {
+
+ if(strcmp("rs1", msg) == 0 && isRs1){ // 첫번째 rs
+ printf("첫번째 rs1\n");
+ PWMWriteDutyCycle(PWM, 4500000);
+ isRs1 = false;
+ }else if(strcmp("rs2", msg) == 0 && isRs2){ // 두번째 rs
+ printf("두번째 rs2\n");
+ PWMWriteDutyCycle(PWM, 1000000);
+ isRs2 = false;
+ }
+
+ if(strcmp("s", msg) == 0 && isS){ //수면모드
+ printf("수면모드\n");
+ PWMWriteDutyCycle(PWM, 0);
+ isS = false;
+ }
+
+ if(strcmp("re", msg) == 0 && isRe){ //기상 준비
+ printf("기상준비\n");
+
+ for (int i = 0; i < 10000; i++) { // 3초동안 불서서히 켜짐
+ PWMWriteDutyCycle(PWM, i * 1000);
+ usleep(300);
+ }
+ isRe = false;
+ }
+
+ if(strcmp("e", msg) == 0){ // 종료
+ PWMWriteDutyCycle(PWM, 10000000);
+ printf("기상\n");
+ break;
+ }
+
+ }
+
+
+
+
+}
+
+int main(int argc, char *argv[]) {
+ pthread_t p_thread[2];
+ int thr_id;
+ int status;
+ int sock;
+ struct sockaddr_in serv_addr;
+ int str_len;
+
+
+ PWMExport(PWM);
+ PWMWritePeriod(PWM, 10000000);
+ PWMWriteDutyCycle(PWM, 10000000);
+ PWMEnable(PWM);
+ if (argc != 3) {
+ printf("Usage : %s <IP> <port>\n", argv[0]);
+ exit(1);
+ }
+
+ // sockt create
+ sock = socket(PF_INET, SOCK_STREAM, 0);
+ if (sock == -1) error_handling("socket() error");
+
+ // config server info
+ 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]));
+
+ // connect request to server
+ if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) == -1)
+ error_handling("connect() error");
+
+ printf("서버와 연결\n");
+
+
+ //각 기능에 맞게 스레드 형성
+ thr_id = pthread_create(&p_thread[0], NULL, led, (void *)&sock);
+ if (thr_id < 0) {
+ perror("thread create error : ");
+ exit(0);
+ }
+ thr_id = pthread_create(&p_thread[1], NULL, lcd, (void *)&sock);
+ if (thr_id < 0) {
+ perror("thread create error : ");
+ exit(0);
+ }
+
+ memset(tempMsg, 0, sizeof(tempMsg));
+ memset(msg, 0, sizeof(msg));
+ while(1){
+ str_len = read(sock, tempMsg, sizeof(tempMsg));
+ printf("tempMsg: %s\n", tempMsg);
+ strcpy(msg, tempMsg);
+ if (str_len == -1) error_handling("read() error");
+ if(str_len == 0) break; // 서버가 닫히면 클라이언트도 종료
+ if(strcmp("e", msg) == 0) break;
+ }
+
+ pthread_join(p_thread[0], (void **)&status);
+ pthread_join(p_thread[1], (void **)&status);
+
+
+ close(sock);
+ return 0;
+}
+
+// clr lcd go home loc 0x80
+void ClrLcd(void) {
+ lcd_byte(0x01, LCD_CMD);
+ lcd_byte(0x02, LCD_CMD);
+}
+
+// go to location on LCD
+void lcdLoc(int line) {
+ lcd_byte(line, LCD_CMD);
+}
+
+// this allows use of any size string
+void typeln(const char *s) {
+
+ while ( *s ) lcd_byte(*(s++), LCD_CHR);
+
+}
+
+void lcd_byte(int bits, int mode) {
+
+ //Send byte to data pins
+ // bits = the data
+ // mode = 1 for data, 0 for command
+ int bits_high;
+ int bits_low;
+ // uses the two half byte writes to LCD
+ bits_high = mode | (bits & 0xF0) | LCD_BACKLIGHT ;
+ bits_low = mode | ((bits << 4) & 0xF0) | LCD_BACKLIGHT ;
+
+ // High bits
+ wiringPiI2CReadReg8(fd, bits_high);
+ lcd_toggle_enable(bits_high);
+
+ // Low bits
+ wiringPiI2CReadReg8(fd, bits_low);
+ lcd_toggle_enable(bits_low);
+}
+
+void lcd_toggle_enable(int bits) {
+ // Toggle enable pin on LCD display
+ delayMicroseconds(500);
+ wiringPiI2CReadReg8(fd, (bits | ENABLE));
+ delayMicroseconds(500);
+ wiringPiI2CReadReg8(fd, (bits & ~ENABLE));
+ delayMicroseconds(500);
+}
+
+
+void lcd_init() {
+ // Initialise display
+ lcd_byte(0x33, LCD_CMD); // Initialise
+ lcd_byte(0x32, LCD_CMD); // Initialise
+ lcd_byte(0x06, LCD_CMD); // Cursor move direction
+ lcd_byte(0x0C, LCD_CMD); // 0x0F On, Blink Off
+ lcd_byte(0x28, LCD_CMD); // Data length, number of lines, font size
+ lcd_byte(0x01, LCD_CMD); // Clear display
+ delayMicroseconds(500);
+}
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