refactoring

7 files changed, 96 insertions, 61 deletions

diff --git a/src/deftypes.h b/src/deftypes.h
new file mode 100644
index 0000000..ec91499
--- /dev/null
+++ b/src/deftypes.h
@@ -0,0 +1,21 @@
+
+#ifndef _DEFTYPESH_INCLUDED
+#define _DEFTYPESH_INCLUDED
+
+#define     uint8       __uint8_t
+#define     uint16      __uint16_t
+#define     uint32      __uint32_t
+#define     uint64      __uint64_t
+#define     uint128     __uint128_t 
+
+#define     int8        __int8_t
+#define     int16       __int16_t
+#define     int32       __int32_t
+#define     int64       __int64_t
+#define     int128      __int128_t
+
+#define     uchar       __u_char
+
+#define     ulong       __u_long 
+
+#endif
\ No newline at end of file
diff --git a/src/hih61xx.c b/src/hih61xx.c
index 2a61d3b..732b697 100644
--- a/src/hih61xx.c
+++ b/src/hih61xx.c
@@ -7,15 +7,16 @@
 
 
 #include "hih61xx.h"
+#include "deftypes.h"
 
-extern int file; 
+extern uint16 devicef; 
 extern void bus_err(int ern);
 extern void print_help(void); 
 unsigned char buf[5];
  
- 
+  
 
-void hih61xx_print_all(void)
+void hih61xx_print_all(void) 
 {
     printf(
         "00: Relative Humidity [%%]     (reg: 0x00)\n"
@@ -27,34 +28,30 @@ void hih61xx_print_all(void)
 void hih61xx_conf_set(const char *opts) {}
 
 
-void hih61xx_get_data(void)
+void hih61xx_get_data(void)                             //# Get measurement data from device
 {
     buf[0] = 0x00;
     
-    if(write(file, buf, 1) != 1)    //Start measure
-    {
+    if(write(devicef, buf, 1) != 1){                     //# Start the measurement
         bus_err(errno);
     }
 
-    usleep(60*1000);  // Wait 60ms for measurement
+    usleep(60*1000);                                    //# Wait 60ms for measurement
     
-    if(read(file, buf, 4) != 4)  //Read the data
-    {
+    if(read(devicef, buf, 4) != 4){                     //# Read the data
         bus_err(errno);
     } 
 }
 
 
 
-unsigned char hih61xx_read_status(void)
-{
-    return ((buf[0] & 0xc0) >> 6);
+unsigned char hih61xx_read_status(void){                 //# Get device status 
+    return ((buf[0] & 0xc0) >> 6);          //# He ???  
 }
 
 
 
-float hih61xx_read_humidity(float offset)
-{
+float hih61xx_calc_humidity(float offset){              //# Measure
     unsigned int  raw = 0;
     float  humidity;
    
@@ -100,7 +97,7 @@ void hih61xx_read_all(const char *opts)
     if(opts != NULL)
     {
         char *ptr;
-        printf("00:%f\n", hih61xx_read_humidity(strtof(opts, &ptr)));
+        printf("00:%f\n", hih61xx_calc_humidity(strtof(opts, &ptr)));
         
         ptr++;               // One (,) character allowed for delimiter
         
@@ -108,7 +105,7 @@ void hih61xx_read_all(const char *opts)
     }     
     else
     {
-        printf("00:%f\n", hih61xx_read_humidity(0.0));
+        printf("00:%f\n", hih61xx_calc_humidity(0.0));
         printf("01:%f\n", hih61xx_read_temp(0.0));
     }     
 
@@ -130,7 +127,7 @@ void hih61xx_read_one(const char *opts)
     switch (id)
     {
         case 0x00:
-            printf("00:%f\n", hih61xx_read_humidity(strtof(ptr, NULL)));
+            printf("00:%f\n", hih61xx_calc_humidity(strtof(ptr, NULL)));
             break;
         case 0x01:
             printf("01:%f\n", hih61xx_read_temp(strtof(ptr, NULL)));
diff --git a/src/hih61xx.h b/src/hih61xx.h
index 23546d2..f0def27 100644
--- a/src/hih61xx.h
+++ b/src/hih61xx.h
@@ -12,7 +12,7 @@ void hih61xx_print_all(void);
 void hih61xx_get_data(void);
 void hih61xx_conf_set(const char *opts);
 unsigned char hih61xx_read_status(void);
-float hih61xx_read_humidity(float offset);
+float hih61xx_calc_humidity(float offset);
 float hih61xx_read_temp(float offset);
 void hih61xx_read_all(const char *opts);
 void hih61xx_read_one(const char *opts);
diff --git a/src/hmc5883.c b/src/hmc5883.c
index 6167f73..c02d1cf 100644
--- a/src/hmc5883.c
+++ b/src/hmc5883.c
@@ -7,8 +7,9 @@
 
 
 #include "hmc5883.h" 
+#include "deftypes.h"
 
-extern int file;
+extern uint16 devicef;
 extern void bus_err(int ern);
 extern void print_help(void);
 unsigned char buf[5];
diff --git a/src/lm75.c b/src/lm75.c
index fd6f374..784defd 100644
--- a/src/lm75.c
+++ b/src/lm75.c
@@ -7,11 +7,15 @@
 
 
 #include "lm75.h"
+#include "deftypes.h"
 
-extern int file;
+
+
+extern uint16 devicef;
 extern void bus_err(int ern);
 extern void print_help(void);
-unsigned char buf[5];
+uchar buf[32];
+
   
 
 void lm75_print_all(void)
@@ -25,16 +29,18 @@ void lm75_print_all(void)
 } 
 
  
+uchar *dev_xchg_data( uchar *buf, uint16 blen){             //# Exchange data with the device
 
-void lm75_get_data(void){
-
-	if(write(file, buf, 1) != 1){
+	if(write(devicef, buf, 1) != 1){                        //# write
         bus_err(errno);
     }
 
-    if(read(file, buf, 2) != 2) {
+    if(read(devicef, buf, 2) != 2) {                        //# read
         bus_err(errno);
-    } 
+    }
+
+  //  *buf = 0x0022;
+    return buf; 
 }
 
 void lm75_conf_set(const char *opts){
@@ -46,10 +52,11 @@ float lm75_read_temp(float offset)
 {
     signed int rawtemp = 0;
     float temp;
+  //  char *buff;
 
     buf[0] = 0x00;
     
-    lm75_get_data();
+    dev_xchg_data(buf,32);
      
     rawtemp = (buf[0]*256 + buf[1]) >> 5;  //(buf[0] << 8), and (>> 5), 11bit device is also supported
 
@@ -70,7 +77,7 @@ float lm75_read_tos(void)
                                             
     buf[0] = 0x02;                          
                                             
-    lm75_get_data();                                                         
+    dev_xchg_data(NULL,32);                                                         
                                                            
     rawtemp = buf[0]*256 + buf[1];                           
     rawtemp = (rawtemp) >> 7;           //9bit data
@@ -91,7 +98,7 @@ float lm75_read_thys(void)
                                             
     buf[0] = 0x03;                          
                                             
-    lm75_get_data();                                                      
+    dev_xchg_data(NULL,32);                                                      
                                                            
     rawtemp = buf[0]*256 + buf[1];                           
     rawtemp = (rawtemp) >> 7;           //9bit data
@@ -110,7 +117,7 @@ char lm75_read_conf(void)
     
     buf[0] = 0x01;                                                                                                                 
     
-    lm75_get_data();
+    dev_xchg_data(NULL,32);
     
     return buf[0];                                                                                                                                   
 }
diff --git a/src/lm75.h b/src/lm75.h
index 30edee4..ec4dd70 100644
--- a/src/lm75.h
+++ b/src/lm75.h
@@ -7,15 +7,28 @@
 // void lm75_list_all(void);
 // void lm75_read_all(const char *opts);  
 // 
-void lm75_print_all(void);
-void lm75_get_data(void);
+void lm75_print_all(void);              //# Global funcions, required by main()
+void lm75_read_all(const char *opts);
+void lm75_read_one(const char *opts);
 void lm75_conf_set(const char *opts);
+
+//unsigned char *dev_xchg_data(unsigned char *buf);
 float lm75_read_temp(float offset);
 float lm75_read_tos(void);          
 float lm75_read_thys(void);        
 char lm75_read_conf(void);                                                                                                         
-void lm75_read_all(const char *opts);
-void lm75_read_one(const char *opts);
 
+//__uint8_t
+//__uint16_t
+//__uint32_t
+//__uint64_t
+//__uint128_t
+//__int8_t
+// __int16_t
+// __int32_t
+// __int64_t
+// __int128_t
+// __u_char
+//__u_long
 
 #endif
\ No newline at end of file
diff --git a/src/main.c b/src/main.c
index 7d39441..18f762a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -13,6 +13,7 @@
 #include <linux/i2c-dev.h>
 #include <sys/ioctl.h>
   
+#include "deftypes.h"  
 #include "lm75.h"
 #include "hih61xx.h"
 #include "hmc5883.h"
@@ -27,8 +28,8 @@
 // extern void hih61xx_read_one(const char *opts);
 
 
-int file; 
-char temp[256];
+uint16 devicef;    //# Bus-Device file 
+uchar temp[256];
 void (*print_all)(void) = NULL;
 void (*read_all)(const char *opts) = NULL;
 void (*read_one)(const char *opts) = NULL;
@@ -40,10 +41,11 @@ void print_help(void) {
             "   i2sensors  <op> <bus> <dev_type> <dev_addr> (<options>)\n"
             "\n"
             "Aviable options: <op>\n"
-            "   print_all -- list all available measurement parameters of the device\n"
-            "   read_all  -- read all measured parameters from device\n"
-            "   read_one  -- read the selected parameters from device\n"
-            "   conf_set  -- set the configuration register\n"
+            "   print_all   -- list all available measurement parameters of the device\n"
+            "   read_all    -- read all measured parameters from device\n"
+            "   read_one    -- read the selected parameters from device\n"
+            "   read_repeat -- read measurements continously\n"
+            "   conf_set    -- set the configuration register\n"
             "\n"
             "Usage:\n"
             "   i2sensors read_all <bus> <device-type> <address> \n"
@@ -101,44 +103,40 @@ int main(int argc, char *argv[])
 //    ...set_reg... <dev_addr>, <reg_addr,value_hex>    
     
 
-    if(4 < argc && argc < 10)  //Minimal 5 argument passed
+    if(4 < argc && argc < 10)                                           //Minimum 5 arguments should be passed.
     {
         
         char filename[32];
         int i;
         preinit(argv[3]);
 
-        for(i=0;i<strlen(argv[2]);i++)  //Some test on bus address, for safety.
-        {
+        for( i = 0;  i < strlen(argv[2]);  i++){                        //# Test on bus address, for error detection.
             if(!isdigit(argv[2][i])){
-                printf("\n\tThe BUS Address must be an integer\n\n");
+                printf("\n\tThe BUS Address must be an integer!\n\n");
                 print_help();
                 exit (EXIT_FAILURE);
             }
         }
-        snprintf(filename, 31, "/dev/i2c-%s", argv[2]);   //Open i2c bus
-        file = open(filename, O_RDWR);
+        snprintf(filename, 31, "/dev/i2c-%s", argv[2]);   
+        devicef = open(filename, O_RDWR);                               //# Open the i2c bus 
     
-        if (file < 0){
+        if (devicef < 0){
             printf("\n\tCan't open i2c BUS. Have you any permission?\n\n");    
             print_help();
             exit (EXIT_FAILURE);
         }
 
 
-        if(argv[4][0]=='0' && argv[4][1]=='x'){     // Hexadecimal device address
+        if(argv[4][0]=='0' && argv[4][1]=='x'){                         //# Hexadecimal representetion of device address
 
-            long addr = (int)strtol(argv[4], NULL, 0);      //# strtol() is working with hex string
+            long addr = (int)strtol(argv[4], NULL, 0);                  //# strtol() is working with hex-string correctly
 
-            if (ioctl(file, I2C_SLAVE, addr) < 0) 
-            {
+            if (ioctl(devicef, I2C_SLAVE, addr) < 0){                    //# Seeking/Opening the device on the Bus
                 printf("\n\tCan't open i2c DEVICE, errno: %d\n\n",errno);
                 print_help();
                 exit (EXIT_FAILURE);
             }
-        }
-        else
-        {
+        } else {
             printf("\n\tThe DEVICE address must be a hexadecimal number\n\n");
             print_help();
             exit (EXIT_FAILURE);
@@ -146,25 +144,23 @@ int main(int argc, char *argv[])
         
         
         
-        if(!strcmp("print_all",argv[1]) && print_all != NULL)        // If list_all is selected.
-        {
+        if(!strcmp("print_all",argv[1]) && print_all != NULL){          //# Gets the device's help message.
             print_all();
         }
-        else if(!strcmp("read_all",argv[1]) && read_all != NULL)
-        {
+        else if(!strcmp("read_all",argv[1]) && read_all != NULL){       //# Pulls all readable registers data from device
             // read_all(argv[5]);
             read_all(NULL);
         }
-        else if(!strcmp("read_one",argv[1]) && read_one != NULL && argc > 5)
+        else if(!strcmp("read_one",argv[1]) && read_one != NULL && argc > 5)    //# Prints out the selected register
         {
             read_one(argv[5]);
         }
-        else
+        else                                                            //# No other option
         { 
             print_help();
         }
     
-	close(file);
+	close(devicef);
   
   }
   else