Diff: main.cpp

Revision:

0:37c7223b15ea

Child:

1:2de7e66b1757

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Sep 10 11:20:56 2019 +0000
@@ -0,0 +1,127 @@
+/** 
+ *  example program for the use of the hts221  class 
+ *  for more info see the README.MD of the repository 
+ *  https://github.com/wimbeaumont/peripheral_dev_tst.git
+ *  copied from the mbed online compiler envionment 
+ *  V 0.1  : initial version for software development ( dummy i2c interface 
+ *  
+ * (C) Wim Beaumont Universiteit Antwerpen 2017 2019
+ *
+ * License see
+ * https://github.com/wimbeaumont/PeripheralDevices/blob/master/LICENSE
+ */ 
+
+#define VEML7700EXAMPLEVER "1.56"
+
+#ifdef __MBED__ 
+
+#include "mbed.h"
+
+
+#if   defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
+  PinName const SDA = PTE0;
+  PinName const SCL = PTE1;
+#elif defined (TARGET_KL05Z)
+  PinName const SDA = PTB4;
+  PinName const SCL = PTB3;
+#elif defined (TARGET_K20D50M)
+  PinName const SDA = PTB1;
+  PinName const SCL = PTB0;
+#else
+  #error TARGET NOT DEFINED
+#endif
+Serial pc(USBTX, USBRX);
+
+#include "I2C.h"
+#include "I2CInterface.h"
+#include "MBEDI2CInterface.h"  
+
+#else 
+
+#include <cstdio>
+#include "DummyI2CInterface.h"  
+
+#endif //__MBED__
+
+#include "dev_interface_def.h"
+#include "veml7700.h"
+
+
+
+
+#ifdef __MBED__ 
+MBEDI2CInterface mbedi2c( SDA, SCL); 
+MBEDI2CInterface* mbedi2cp=  &mbedi2c ;
+#else 
+DummyI2CInterface  mbedi2c;
+DummyI2CInterface* mbedi2cp= &mbedi2c;
+#endif //__MBED__
+
+
+I2CInterface* i2cdev= mbedi2cp;
+
+
+int main(void) {
+   
+   // get the version of getVersion 
+   char dummystr[50];
+   getVersion gv;
+  int err;
+   printf("VEML7700 lux meter    example program version %s,\n\rcompile date %s time %s\n\r", 
+        VEML7700EXAMPLEVER,__DATE__,__TIME__);
+   printf("getVersion :%s\n\r",gv.getversioninfo());
+   gv.dev_interface_def_version(dummystr);
+   printf("%s\n\r ",dummystr);
+   printf( "i2c dev info:%s\n\r",i2cdev->getversioninfo());
+   VEML7700 luxm ( i2cdev);
+   printf ( "VEML7700 lib version :%s\n\r ",luxm.getversioninfo());
+   err=luxm.get_status( );
+   if( err) {
+        printf("get error %d after init \n\r", err);
+    }
+  
+    
+   luxm.set_integrationtime(1000); // > max  
+   float gain=.125;//default 
+    bool sd ,ie; u16 pers_protect;int IntT=8; float gainrb;
+   while ( 1) {
+        int alsbits = luxm.get_als_bits ( );
+        err=luxm.get_status( );
+        if( err) {
+            printf("get error %d after get als init \n\r", err);
+        }else {
+            if ( alsbits < 0xFF ) {
+                  if (gain <    2.0 ) { 
+                    gain=gain*2;
+                    printf("increase gain to %f \n\r", gain);
+                    luxm.set_gain(gain);
+                    if( gain > 2.0 ) gain =2.0;
+                    
+                  } //else max gain 
+            }
+            if ( alsbits > 0x2FFF) {
+                 if( gain > .125 ) {
+                        gain = gain/2;
+                        printf("decrease gain to %f \n\r", gain);
+                        luxm.set_gain(gain); 
+                        if (gain <  .125) gain=0.125;
+                } // else min gain 
+            }
+         } // else if err    
+        int whitebits = luxm.get_white_ch_bits ( );
+        if( err) {
+            printf("get error %d after get white init \n\r", err);
+        }
+        luxm.decode_Reg0(   sd , ie, pers_protect, IntT,  gainrb  );
+        err=luxm.get_status( );
+        if( err) {
+            printf("get error %d after read cmd reg \n\r", err);
+        }
+        printf( " als %04x , white %04x  @gain %f reg0: sd %d, ie %d , Pers_prot %d, IntT %d, gain %f \n\r", 
+                alsbits, whitebits,gain,(int) sd ,(int) ie,(int) pers_protect, IntT,  gainrb  );
+        i2cdev->wait_for_ms(1000);
+    }
+    return 1;
+}   
+
+