Use DHT11 as Base

Author: broncotc

examples/SerialOutput/SerialOutput.ino

@@ -1,150 +1,56 @@
-#include <SPI.h>
+#include <ldc.h>
 
-#define LDC1000_CMD_REVID 		0x00
-#define LDC1000_CMD_RPMAX 		0x01
-#define LDC1000_CMD_RPMIN 		0x02
-#define LDC1000_CMD_SENSORFREQ 	0x03
-#define LDC1000_CMD_LDCCONFIG 	0x04
-#define LDC1000_CMD_CLKCONFIG 	0x05
-#define LDC1000_CMD_THRESHILSB 	0x06
-#define LDC1000_CMD_THRESHIMSB 	0x07
-#define LDC1000_CMD_THRESLOLSB 	0x08
-#define LDC1000_CMD_THRESLOMSB 	0x09
-#define LDC1000_CMD_INTCONFIG 	0x0A
-#define LDC1000_CMD_PWRCONFIG 	0x0B
-#define LDC1000_CMD_STATUS	 	0x20
-#define LDC1000_CMD_PROXLSB 	0x21
-#define LDC1000_CMD_PROXMSB 	0x22
-#define LDC1000_CMD_FREQCTRLSB	0x23
-#define LDC1000_CMD_FREQCTRMID	0x24
-#define LDC1000_CMD_FREQCTRMSB	0x25
+dht11 DHT11;
 
-#define RPMAX 	0x13			  /**< maximum calibration value for RPMAX */
-#define RPMIN 	0x3A			  /**< minimum calibration value for RPMAX */
-
-unsigned char proximtyData[2];
-unsigned char frequencyData[3];
-
-unsigned int proximtyDataMAX;
-unsigned int frequencyDataMAX;
-
-unsigned int proximtyDataTEMP;
-unsigned int frequencyDataTEMP;
-
-const int chipSelectPin = 53;
-
-static byte txlen;
-static byte rxlen;
-static byte *txbuf;
-static byte *rxbuf;
-static byte txaddr;
-static byte wordbuf;
-void setup() {
-   byte orgVal[20];
-   int i;
-  // set the slaveSelectPin as an output:
-  pinMode (chipSelectPin, OUTPUT);
-  // initialize SPI:
-   Serial.begin(9600);
-
-  // start the SPI library:
-  SPI.begin();
-  SPI.begin(); 
-  SPI.setDataMode(SPI_MODE0);
-  SPI.setBitOrder(MSBFIRST);
-  pinMode(chipSelectPin, OUTPUT);
-  delay(100);
-        spi_writeByte(LDC1000_CMD_RPMAX,       RPMAX);
-        spi_writeByte(LDC1000_CMD_RPMIN,       RPMIN);
-	spi_writeByte(LDC1000_CMD_SENSORFREQ,  0x94);
-	spi_writeByte(LDC1000_CMD_LDCCONFIG,   0x17);
-	spi_writeByte(LDC1000_CMD_CLKCONFIG,   0x02);
-	spi_writeByte(LDC1000_CMD_INTCONFIG,   0x02);
-
-	spi_writeByte(LDC1000_CMD_THRESHILSB,  0x50);
-	spi_writeByte(LDC1000_CMD_THRESHIMSB,  0x14);
-	spi_writeByte(LDC1000_CMD_THRESLOLSB,  0xC0);
-	spi_writeByte(LDC1000_CMD_THRESLOMSB,  0x12);
-
-	spi_writeByte(LDC1000_CMD_PWRCONFIG,   0x01);
-
-	//read all registers
-
-    spi_readBytes(LDC1000_CMD_REVID, &orgVal[0],12);
-    for(i=0;i<12;i++)
-    {
-      Serial.print("orgVal=");
-      Serial.print(orgVal[i],HEX);
-       Serial.print("\n");
-    }
-}
-
-void loop() {
-        spi_readBytes(LDC1000_CMD_PROXLSB,&proximtyData[0],2);
-        spi_readBytes(LDC1000_CMD_FREQCTRLSB,&frequencyData[0],3);
-      /*   Serial.print("pro[0]=");
-        Serial.print(proximtyData[0],DEC);
-        Serial.print("    ");
-        Serial.print("pro[1]=");
-        Serial.print(proximtyData[1],DEC);
-         Serial.print("\n");*/
-        proximtyDataTEMP =  ((unsigned char)proximtyData[1]<<8) + proximtyData [0];
-        frequencyDataTEMP = ((unsigned char)frequencyData[1]<<8) + frequencyData[0];
-        Serial.print("proximty=");
-        Serial.print(proximtyDataTEMP,DEC);
-        Serial.print("    ");
-        Serial.print("proximty=");
-        Serial.print(proximtyDataTEMP,DEC);
-        Serial.print("\n");
-        
-}
-
-byte spi_writeByte(byte addr, byte data)
+void setup()
 {
-		wordbuf = data;          // copy from stack to memory
-		txbuf = &wordbuf;
-		txaddr = addr & ~0x80;
-		digitalWrite(chipSelectPin,LOW); //P1OUT &= ~BIT0;
-		SPI.transfer(txaddr);//while (!(IFG2&UCA0TXIFG));
-		//UCA0TXBUF = txaddr;
-		//while (!(IFG2&UCA0TXIFG));
-		//UCA0TXBUF = *txbuf;
-                SPI.transfer(data);
-		digitalWrite(chipSelectPin,HIGH); //P1OUT |= BIT0;
-		return 0;
+  Serial.begin(9600);
+  Serial.println("DHT11 TEST PROGRAM ");
+  Serial.print("LIBRARY VERSION: ");
+  Serial.println(DHT11LIB_VERSION);
+  Serial.println();
 }
 
-byte spi_readByte( byte addr, byte data)
+void loop()
 {
-	    //rxbuf = data;
-		txaddr = addr | 0x80;
-		digitalWrite(chipSelectPin,LOW);//P1OUT &= ~BIT0;
-		SPI.transfer(txaddr);//while (!(IFG2&UCA0TXIFG));
-		//UCA0TXBUF = txaddr;
-		//while (!(IFG2&UCA0TXIFG));
-		//UCA0TXBUF = 0;
-		//while (UCA0STAT & UCBUSY);
-		data = SPI.transfer(0x00);//* rxbuf = UCA0RXBUF;
-		//while (UCA0STAT & UCBUSY);
-		digitalWrite(chipSelectPin,HIGH);//P1OUT |= BIT0;
-		return 0;
+  Serial.println("\n");
+
+  int chk = DHT11.read(DHT11PIN);
+
+  Serial.print("Read sensor: ");
+  switch (chk)
+  {
+    case DHTLIB_OK: 
+                Serial.println("OK"); 
+                break;
+    case DHTLIB_ERROR_CHECKSUM: 
+                Serial.println("Checksum error"); 
+                break;
+    case DHTLIB_ERROR_TIMEOUT: 
+                Serial.println("Time out error"); 
+                break;
+    default: 
+                Serial.println("Unknown error"); 
+                break;
+  }
+
+  Serial.print("Humidity (%): ");
+  Serial.println((float)DHT11.humidity, 2);
+
+  Serial.print("Temperature (oC): ");
+  Serial.println((float)DHT11.temperature, 2);
+
+  Serial.print("Temperature (oF): ");
+  Serial.println(Fahrenheit(DHT11.temperature), 2);
+
+  Serial.print("Temperature (K): ");
+  Serial.println(Kelvin(DHT11.temperature), 2);
+
+  Serial.print("Dew Point (oC): ");
+  Serial.println(dewPoint(DHT11.temperature, DHT11.humidity));
+
+  Serial.print("Dew PointFast (oC): ");
+  Serial.println(dewPointFast(DHT11.temperature, DHT11.humidity));
+
+  delay(2000);
 }
-byte spi_readBytes( byte addr, byte * buffer, byte len)
-{
-        int rxlen;		
-        rxlen = len;
-		rxbuf = buffer;
-		txaddr = addr | 0x80;
-		digitalWrite(chipSelectPin,LOW);//P1OUT &= ~BIT0;
-		//while (!(IFG2&UCA0TXIFG));
-		SPI.transfer(txaddr);//UCA0TXBUF = txaddr;
-		while (rxlen > 0) {
-		    //SPI.transfer(0x00);
-		    *rxbuf = SPI.transfer(0x00);
-			rxbuf++;
-			rxlen--;
-			}
-                digitalWrite(chipSelectPin,HIGH);
-		return 0;
-	}
-