From a55a3a855af46a8385c1bdcf4083f48a2b2490ba Mon Sep 17 00:00:00 2001
From: Gergő J. Miklós
Date: Mon, 13 May 2019 02:06:07 +0200
Subject: LM75 Conf register

---
 src/lm75.c | 55 ++++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 44 insertions(+), 11 deletions(-)

(limited to 'src/lm75.c')

diff --git a/src/lm75.c b/src/lm75.c
index 9207860..9510a46 100644
--- a/src/lm75.c
+++ b/src/lm75.c
@@ -4,6 +4,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <errno.h>
+#include <ctype.h>  //# isdigit
 
 
 #include "lm75.h"
@@ -35,7 +36,7 @@ uchar   *xchg_data  (uchar *buf, uint8 wrlen, uint8 waitlen, uint8 rdlen){
         bus_err(errno);
     }
     usleep(waitlen*1000);                                //# Wait 10ms for reading
-    
+
     if(read(devicef, buf, rdlen) != rdlen) {                //# read the result
         bus_err(errno);
     }
@@ -121,24 +122,30 @@ void lm75_read_one(const uchar *opts){                  // Prints the selected r
     uint16 id,i;
     uchar temp[256];
 
-    if(opts != NULL){
+    if(opts != NULL){                                   //# Search the comma:  ...<01,-11.24>
         for(i = 0; i < strlen((char*)opts); i++){
-            if (*(opts+i) == ','){
+
+            if (*(opts+i) == ','){                      
                 break;
+
+            } else {
+                if( !isdigit(*(opts+i)) ){              //# Check the register string
+                    printf("The Register address must be an integer!\n");
+                    print_help();
+                    exit (EXIT_FAILURE);
+                }
+                temp[i] = *(opts+i);                   //# copy register string
+                temp[i+1] = '\0';
             }
-            temp[i] = *(opts+i);
-            temp[i+1] = '\0';
         }
 
-        id = atoi((char*)temp);
-        strncpy((char*)temp, (char*)opts+i+1, 255);
-        // id = strtol (opts,&ptr,0); //all format allowed
-        // ptr++;      //one separator allowed
+        id = atoi((char*)temp);                        //# Convert register to number
+        strncpy((char*)temp, (char*)opts+i+1, 255);    //# Copy remain to temp 
 
-        switch (id)
+        switch (id)                                    //# Which register is selected?
         {
             case 0x00:
-                printf("%f\n", calculate_temp(atof((char*)temp)));
+                printf("%f\n", calculate_temp(atof((char*)temp))); //# with the offset 
                 break;
             case 0x01:
                 printf("0x%x\n", read_conf());
@@ -170,6 +177,32 @@ void lm75_conf_set(const uchar *opts){                  // Prints the selected r
             temp[i+1] = '\0';
         }
 
+        if(!strcmp("tos", (char*)temp)){                //# Set the Tos register value
+
+        }else if(!strcmp("thys", (char*)temp)){         //# Set the Thys reg 
+
+        }else if(!strcmp("conf", (char*)temp)){         //# Set whole conf register
+
+        }else if(!strcmp("sleep", (char*)temp)){        //# Send the sleep command
+
+        }else if(!strcmp("mode", (char*)temp)){         //# Comparator/Interrupt mode
+
+        }else if(!strcmp("tos_pol", (char*)temp)){      //# Tos polarity
+
+        }else if(!strcmp("fault_q", (char*)temp)){      //# Tos Fault Queue
+
+        } else {
+            for(i = 0; i < strlen((char*)opts); i++ ){
+                if( !isxdigit(*(opts+i)) || *(opts+i) !='x' || opts[i] != ','){              //# Check the register string
+                    printf("The Register address, and value must be a hex, or an integer!\n");
+                    print_help();
+                    exit (EXIT_FAILURE);
+                }
+            }
+        }
+
+
+
         id = atoi((char*)temp);
         strncpy((char*)temp, (char*)opts+i+1, 255);
         // id = strtol (opts,&ptr,0); //all format allowed
-- 
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