park heumyong
Smart Farm Base on Core-1000
Dependencies: DHT11 HCSR04 LCDLib mbed
Revision 0:a977ba955188, committed 2017-01-26
- Comitter:
- hypark
- Date:
- Thu Jan 26 07:24:25 2017 +0000
- Commit message:
- Smart Farm base on Core-1000 Kit
Changed in this revision
diff -r 000000000000 -r a977ba955188 DHT11.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DHT11.lib Thu Jan 26 07:24:25 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/fossum_13/code/DHT11/#5da6f6de3e42
diff -r 000000000000 -r a977ba955188 HCSR04.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HCSR04.lib Thu Jan 26 07:24:25 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/rabad1/code/HCSR04/#5461d44a187c
diff -r 000000000000 -r a977ba955188 LCDLib.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LCDLib.lib Thu Jan 26 07:24:25 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/rlanghbv/code/LCDLib/#241842336d78
diff -r 000000000000 -r a977ba955188 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Jan 26 07:24:25 2017 +0000
@@ -0,0 +1,100 @@
+// hypark@kopo.ac.kr
+// Core-1000 platform
+#include "mbed.h"
+#include "TextLCD.h"
+#include "HCSR04.h"
+#include "Dht11.h"
+Serial pc(USBTX, USBRX); // USART2 : PA2,PA3
+PwmOut servo(PB_13); // SERVO PWM : PB13
+PwmOut rled(PB_5); // RED LED PWM : PB5
+PwmOut dc_en(PB_1); // DC PWM : PB1
+DigitalOut dc_in1(PB_15); // DC IN1 : PB15
+DigitalOut dc_in2(PB_14); // DC IN2 : PB14
+DigitalOut buz(PC_4); // define buzzer port
+DigitalIn btn[4] = {PC_10,PC_11, PC_12, PA_13 };//스위치
+AnalogIn analog_value(PC_1); //ADC : PC1
+Dht11 d_sen(PB_10); //온습도 센서
+HCSR04 u_sen(PC_7, PA_9); // 초음파 센서
+TextLCD lcd(PC_6,PC_8,PC_5,PC_0,PA_12,PA_11,PB_12);
+void pc_send_data(uint8_t temp,uint8_t humi,float cds_value, float dist,uint8_t state)
+{ static int count = 0;
+ uint16_t test = 0;
+ pc.putc(0xaa); //STX
+ pc.putc(0x55);
+ pc.putc(count++); //COUNT
+ pc.putc(temp); //온도
+ pc.putc(humi); //습도
+ test = (uint16_t)(cds_value * 4096.0f);
+ pc.putc((test >> 8) & 0x00ff); //CDS값 0 ~ 4095
+ pc.putc((test) & 0x00ff);
+ test = 0;
+ test = btn[0] | (btn[1] << 1) | (btn[2] << 2) | (btn[3] << 3);
+ pc.putc((test) & 0x00ff); //스위치
+ pc.putc((uint8_t)(dist * 100.0f)); //초음파
+ pc.putc(state); //상태값
+ pc.putc(0xFE); //ETX
+}
+
+int main()
+{ float dist = 0, cds_value = 0;
+ int curr_temp = 0, curr_humi = 0; //현재 온도 습도
+ int goal_temp = 25, goal_humi = 30; //목표 온도 습도
+ unsigned char state = 0; //상태 저장 변수
+ dc_in1 = 10; dc_in2 = 0; //모터 회전 방향
+ pc.baud(115200); //통신 속도
+ dc_en.period_ms(10); //DC 모터 PWM 주기
+ rled.period_ms(10); //GREEN ED PWM 주기
+ servo.period_ms(20); //서보모터 PWM 주기
+ while(1)
+ { state = 0; //상태 변수 초기화
+ //HC-SR04
+ u_sen.startMeas();
+ wait(0.1);
+ u_sen.getMeas(dist);
+ if( dist < 0.2f) //초음파 20CM 이내
+ { buz = 1; //부저 울림
+ state |= 0x01;
+ }
+ else buz = 0;
+ //ADC
+ cds_value = analog_value.read();
+ rled.pulsewidth_ms((int)(cds_value *3.0f));//CDS값 LED 반영
+ if(cds_value * 3.0f > 1.0f) state |= 0x40;
+ else state |= 0x80;
+ //DHT11
+ d_sen.read(); //센서값 가져오기
+ curr_temp = d_sen.getCelsius(); //섭씨 온도
+ curr_humi = d_sen.getHumidity(); //습도
+ lcd.gotoxy(1,2); //현재 온습도 출력
+ lcd.printf("T%2dH%2d CDS%.3f", curr_temp,curr_humi,cds_value);
+ //switch
+ if(!btn[0]) goal_temp--; //목표 온도 조정
+ if(!btn[1]) goal_temp++;
+ if(!btn[2]) goal_humi--; //목표 습도 조정
+ if(!btn[3]) goal_humi++;
+ lcd.gotoxy(1,1); //목표 온습도 표시
+ lcd.printf("SMARTFARM T%2dH%2d", goal_temp, goal_humi);
+ //servo
+ if( curr_humi < goal_humi) //현재습도가 목표보다 낮으면
+ { servo.pulsewidth_us(700); //벨브(서보모터) -90도
+ state |= 0x20;
+ }else
+ { servo.pulsewidth_us(1500); //벨브(서보모터) 0도
+ state |= 0x10;
+ }
+ //dc motor
+ if( curr_temp > goal_temp + 5) //목표온도보다 5도 높으면
+ { dc_en.pulsewidth_ms(10); //팬(DC모터) 100% 구동
+ state |= 0x02;
+ }else if ( curr_temp > goal_temp) //50% 구동
+ { dc_en.pulsewidth_ms(5);
+ state |= 0x04;
+ }else
+ { dc_en.pulsewidth_ms(0); // 정지
+ state |= 0x08;
+ }
+ wait(0.2);// delay 200 ms
+ pc_send_data(curr_temp, curr_humi, cds_value,dist, state); // PC 데이터 전송
+ }
+}
+
diff -r 000000000000 -r a977ba955188 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Jan 26 07:24:25 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/ad3be0349dc5 \ No newline at end of file