From 5cbc1bcd61ccd50b3c37f3f70083afca13c9a175 Mon Sep 17 00:00:00 2001
From: Gergő J. Miklós
Date: Sat, 11 May 2019 03:27:13 +0200
Subject: some debugging + read

---
 src/main.c | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)

(limited to 'src/main.c')

diff --git a/src/main.c b/src/main.c
index c71c872..ee3ec67 100644
--- a/src/main.c
+++ b/src/main.c
@@ -24,16 +24,17 @@ extern void hih61xx_read_all(const char *opts);
 extern void hih61xx_read_one(const char *opts);
 
 
-int file;
+int file; 
+char temp[256];
 void (*list_all)(void) = NULL;
 void (*read_all)(const char *opts) = NULL;
 void (*read_one)(const char *opts) = NULL;
 
 
 void print_help(void) 
-{
+{  
     printf ("Usage:\n"
-            "   i2sensor <op> <bus> <dev_type> <dev_addr> (<options>)\n"
+            "   i2sensor  <op> <bus> <dev_type> <dev_addr> (<options>)\n"
             "Aviable options: <op>\n"
             "   list_all -- list all measured parameters off device\n"
             "   read_all -- read all measured parameters from device\n"
@@ -41,9 +42,11 @@ void print_help(void)
             "Exmples:\n"
             "   i2sensor read_all <bus> <device> <address> <offset_for_param-01,offset_for_param-02,...>\n"
             "   i2sensor read_one <bus> <device> <address> <param-id,offset_for_param-id>\n"
-            "   i2sensor read_all 1 lm75 0x4f -1.35,\n"
-            "   i2sensor read_one 1 lm75 0x4f  01,-1.35\n"
-            "" "\n");
+            "   i2sensor read_all 1 lm75 0x4f  ---,\n"
+            "   i2sensor read_one 1 lm75 0x4f  00,-1.35\n"
+            "" "");
+    printf ("Build: %s %s\n\n",__DATE__,__TIME__);
+
 }
 
 void bus_err(int ern)
@@ -84,7 +87,7 @@ int main(int argc, char *argv[])
 //    ...set_reg... <dev_addr>, <reg_addr,value_hex>    
     
 
-    if(4 < argc && 7 > argc)  //Minimal 5 argument passed
+    if(4 < argc && argc < 10)  //Minimal 5 argument passed
     {
         
         char filename[32];
@@ -100,22 +103,20 @@ int main(int argc, char *argv[])
                 exit (EXIT_FAILURE);
             }
         }
-  
         snprintf(filename, 31, "/dev/i2c-%s", argv[2]);   //Open i2c bus
         file = open(filename, O_RDWR);
     
         if (file < 0) 
         {
-            printf("\n\tCan't open i2c BUS, are you root?\n\n");    
+            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') //?
-        {
-      
-            int addr = (int)strtol(argv[4], NULL, 0);       //Open i2c device
+        if(argv[4][0]=='0' && argv[4][1]=='x'){     // Hexadecimal device address
+
+            long addr = (int)strtol(argv[4], NULL, 0);      //# strtol() is working with hex string
 
             if (ioctl(file, I2C_SLAVE, addr) < 0) 
             {
@@ -139,15 +140,16 @@ int main(int argc, char *argv[])
         }
         else if(!strcmp("read_all",argv[1]) && read_all != NULL)
         {
-            read_all(argv[5]);
+            // 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)
         {
             read_one(argv[5]);
         }
         else
         {
-           // print_help();
+            print_help();
         }
     
 	close(file);
-- 
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