Revision 3:d6310fd6df8e, committed 2011-03-21

Comitter:

dupuyb

Date:

Mon Mar 21 16:51:22 2011 +0000

Parent:

2:3160631567f2

Commit message:

Changed in this revision

diff -r 3160631567f2 -r d6310fd6df8e ds1621.cpp
--- a/ds1621.cpp	Mon Mar 07 08:12:27 2011 +0000
+++ b/ds1621.cpp	Mon Mar 21 16:51:22 2011 +0000
@@ -5,22 +5,18 @@
 ************************************************************/
 #include "ds1621.h"
 
-DS1621::DS1621(I2C* interface, uint8_t address, Serial* pc) {
+DS1621::DS1621(I2C* interface, uint8_t address) {
     i2c = interface;
-    dbx = pc;
-    if (dbx) dbx->printf("Constructor DS1621\n\r");
 }
 
-float DS1621::getTemp(uint8_t address) { // Return degrees C (-55 to +125)
-    if (dbx) dbx->printf("DS1621::getTemp DS1621 address=0x%X\n\r",address);
+float DS1621::read(uint8_t address) { // Return degrees C (-55 to +125)
+    if (dbx) printf("DS1621::read DS1621 address=0x%X\n\r",address);
     float temperature = 0.0;
     uint16_t temp16;
     char temp8[2];
     int8_t data;
     if (i2c) {
         address &= 0x0E;
-        data = 0xEE; // Start Convert T [EEh]
-        i2c->write(DS1621_Write|address,(char *)&data,sizeof(data));
         data = 0xAA; // Read Temperature [AAh]
         i2c->write(DS1621_Write|address,(char *)&data,sizeof(data));
         i2c->read(DS1621_Read|address, temp8 ,sizeof(temp8), false);
@@ -35,9 +31,17 @@
             temperature = ((float) temp16 / 2);
             temperature = -1.0 * temperature;
         }
-        if (dbx)  dbx->printf("DS1621::getTemp temp8[0]=0x%X, temp8[1]=0x%X, temp16=0x%X\n\r",temp8[0],temp8[1],temp16);
+        if (dbx) printf("DS1621::read temp8[0]=0x%X, temp8[1]=0x%X, temp16=0x%X\n\r",temp8[0],temp8[1],temp16);
     } else {
-       if (dbx)  dbx->printf("DS1621::getTemp interface I2C is not initialized\n\r");
+        if (dbx) printf("DS1621::read interface I2C is not initialized\n\r");
     }
     return temperature;
+}
+
+void DS1621::init(uint8_t address) {
+    if (dbx) printf("DS1621::init DS1621 address=0x%X\n\r",address);
+    address &= 0x0E;
+    char data;
+    data = 0xEE; // Start Convert T [EEh]
+    i2c->write(DS1621_Write|address,(char *)&data,sizeof(data));
 }
\ No newline at end of file

diff -r 3160631567f2 -r d6310fd6df8e ds1621.h
--- a/ds1621.h	Mon Mar 07 08:12:27 2011 +0000
+++ b/ds1621.h	Mon Mar 21 16:51:22 2011 +0000
@@ -3,7 +3,8 @@
 //------------includes-----------------
 #include "mbed.h"
 //------------
-/** DS1621 simple control class,
+/**
+* DS1621 simple control class,
 *
 * Example:
 * @code
@@ -20,20 +21,21 @@
 *
 * Serial pc(USBTX, USBRX);  // Declare usb (see screen /dev/ttyUSB0 on linux)
 * I2C    i2c(p28, p27);     // Declare I2C (pullup resistors 2.2k from p28 and p27 to +3.3v)
-* DS1621 ds(&i2c, DS1621_ADDR, &pc);  // Declare ds1621 throught i2c interface with debugger on
+* DS1621 ds(&i2c, DS1621_ADDR);  // Declare ds1621 throught i2c interface
 *
 *int main() {
 *    i2c.frequency(5000); //5khz
 *    pc.printf("-----------------------\n\rMain\n\r");
 *    char count = 0;
 *    float temp = 0.0;
+*    ds.init(DS1621_ADDR);
 *    while (1) {
 *        myled1 = count & 0x01;
 *        myled2 = count & 0x02;
 *        myled3 = count & 0x04;
 *        myled4 = count & 0x08;
 *        count++;
-*        temp = ds.getTemp(DS1621_ADDR);
+*        temp = ds.read(DS1621_ADDR);
 *        pc.printf("Measurment at start + %d seconds, Temperature=%3.1f\n\r",(count*5),temp);
 *        wait(5.0);
 *    }
@@ -51,37 +53,29 @@
     *@brief Constructor, initializes the ds1621 on I2C interface.
     *@param interface
     *@param address DS1621 i2c address on bus
-    *@param dbx Debugging intreface if != NULL
     *@return none
     */
-    DS1621 (I2C* interface, uint8_t address, Serial* dbx = NULL);
+    DS1621 (I2C* interface, uint8_t address);
 
     /**
     *@brief Get temperature as float to the ds1621
     *@param address DS1621 i2c address on bus
     *@return current temperature as a float number in degrees Celsius
     */
-    float getTemp(uint8_t address);
-
+    float read(uint8_t address);
+    
     /**
-    *@brief Get the debugger interfave
-    *@return interface debugger used
+    *@brief Initialize DS1621
+    *@param address DS1621 i2c address on bus
+    *@return none
     */
-    Serial* getDebugger() {
-        return dbx;
-    }
+    void init(uint8_t address);
 
-    /**
-    *@brief Set the debugger interface
-    *@param dbx new debugger interface
-    */
-    void setDebugger(Serial* d) {
-        dbx = d;
-    }
+public:
+    bool dbx; // True activate debug message
 //---------- local variables ----------
 private:
     I2C* i2c; // Communication interface
-    Serial* dbx; // Debugger interface if != Null
 //-------------------------------------
 };
 #endif
\ No newline at end of file