make flash struct an argument to the flash read/write functions

3 files changed, 33 insertions, 9 deletions

diff --git a/dummy_functions.c b/dummy_functions.c
index 98d0afb..9f3abb3 100644
--- a/dummy_functions.c
+++ b/dummy_functions.c
@@ -1,4 +1,5 @@
 #include "dummy_functions.h"
+#include "globals.h"
 
 void Menu_Refresh() {}
 void Menu_Update_Display() {}
@@ -8,4 +9,24 @@ void GPIB_Set_Device_Dependent_Error() {}
 void GPIB_Set_Execution_Error() {}
 void Main_update_shift_registers() { }
 void Error_check(void* p) { }
-void writeUserBlock(int addr, int numbytes) {}
+
+int readUserBlock(FlashStruct mem)
+{
+	// read the flash.copy file into the FlashStruct
+	// and return the number of bytes read in
+
+	// if the file does not exist, then "return 0";
+	return 0;
+}
+
+void writeUserBlock(FlashStruct mem, int addr, int numbytes)
+{
+	// check if flash.copy file exists
+	// - if it does, update the requested address and
+	//   number of bytes
+
+	// - if does not, create the file and
+	//   set addr = 0, numbytes = sizeof (mem)
+	//   so that entire struct will be written,
+	//   instead of just the requested range
+}
diff --git a/dummy_functions.h b/dummy_functions.h
index f72ba6a..a00569f 100644
--- a/dummy_functions.h
+++ b/dummy_functions.h
@@ -1,6 +1,8 @@
 #ifndef DUMMY_FUNCTIONS_H_
 #define DUMMY_FUNCTIONS_H_
 
+#include "globals.h"
+
 void Menu_Refresh();
 void Menu_Update_Display();
 void GPIB_Set_Command_Error();
@@ -9,5 +11,6 @@ void GPIB_Set_Device_Dependent_Error();
 void GPIB_Set_Execution_Error();
 void Main_update_shift_registers();
 void Error_check(void*);
-void writeUserBlock(int addr, int numbytes);
+int readUserBlock(FlashStruct mem);
+void writeUserBlock(FlashStruct mem, int addr, int numbytes);
 #endif
diff --git a/parser.c b/parser.c
index 60025d0..a3b61d5 100644
--- a/parser.c
+++ b/parser.c
@@ -902,7 +902,7 @@ static int Go_Str_eprom_47(gchar** response, int channel, char *loc_string,char
 				*(char *)(&globals.Flash.flash_start + eprom_loc+i)=store_string[i];
 			}
 			*(char *)(&globals.Flash.flash_start + eprom_loc + i)=(char) 0;  /* end of string */
-			writeUserBlock(eprom_loc,strlen(store_string)+1);
+			writeUserBlock(globals.Flash, eprom_loc, strlen(store_string)+1);
 			return OK;
 		} else {
 			return OutOfRange;
@@ -925,7 +925,7 @@ static int Go_int_eprom_48(gchar** response, int channel, char *loc_string,char
 	/* diag:eprom:int - 48 */
 	int eprom_loc;
 	int i;
-	int the_number;
+	short the_number;
 
 	eprom_loc = atoi(loc_string);
 	/* convert location string to a number */
@@ -936,9 +936,9 @@ static int Go_int_eprom_48(gchar** response, int channel, char *loc_string,char
 
 	switch (command_type) {
 	case command_param_units:
-		the_number=atoi(store_string);
-		*(short *)(&globals.Flash.flash_start + eprom_loc)=(short) the_number;
-		writeUserBlock(eprom_loc,sizeof(the_number));
+		the_number=(short) atoi(store_string);
+		*(short *)(&globals.Flash.flash_start + eprom_loc) = the_number;
+		writeUserBlock(globals.Flash, eprom_loc, sizeof (the_number));
 		return OK;
 		break;
 
@@ -972,7 +972,7 @@ static int Go_Float_eprom51(gchar** response, int channel, char *loc_string,char
 	case command_param_units:
 		the_number=atof(store_string);
 		*(float *)(&globals.Flash.flash_start + eprom_loc)=the_number;
-		writeUserBlock(eprom_loc,sizeof(the_number));
+		writeUserBlock(globals.Flash, eprom_loc, sizeof(the_number));
 
 		return OK;
 		break;
@@ -1006,7 +1006,7 @@ static int Go_char_eprom_70(gchar** response, int channel, char *loc_string,char
 	case command_param_units:
 		the_number=(char) atoi(store_string);
 		*(char *)(&globals.Flash.flash_start + eprom_loc)=the_number;
-		writeUserBlock(eprom_loc,sizeof(the_number));
+		writeUserBlock(globals.Flash, eprom_loc, sizeof(the_number));
 
 		return OK;
 		break;