L2SDP-453, add point to get global_node_index for all fpgas

src/periph/fpga.cpp

@@ -123,6 +123,11 @@ bool Periph_fpga::read(TermOutput& termout, const string addr,
 
     termout.datatype = format;
     termout.nof_vals = 0;
+    
+    if (addr == "fpga/global_node_index") {
+        retval = read_global_node_index(termout, format);
+        return true;
+    }
 
     if (!Masked) {  // Not selected
         return false;
@@ -140,7 +145,6 @@ bool Periph_fpga::read(TermOutput& termout, const string addr,
     if (type == "mm") {
         uint32_t *data_ptr = (uint32_t *)data;
         retval = Read(addr, data_ptr, true);
-        termout.datatype = format;
     }
     else { // "fpga/..."
 
@@ -149,16 +153,13 @@ bool Periph_fpga::read(TermOutput& termout, const string addr,
         }
         else if (addr == "fpga/name") {
             termout.nof_vals = 1; //my_current_design_name.size();
-            termout.datatype = format;
             strcpy(termout.val, my_current_design_name.c_str());
             retval = true;
         }
         else if (addr == "fpga/stamps") {
             retval = read_stamps(termout, format);
-            termout.datatype = format;
         }
         else if (addr == "fpga/note") {
-            termout.datatype = format;
             retval = true;
         }
         else if (addr == "fpga/firmware_version") {
@@ -893,6 +894,17 @@ bool Periph_fpga::read_stamps(TermOutput& termout, int format)
     return retval;
 }
 
+bool Periph_fpga::read_global_node_index(TermOutput& termout, int format)
+{
+    bool retval = true;
+
+    uint32_t *_ptr = (uint32_t *)termout.val;
+    *_ptr = GlobalNr;
+    termout.nof_vals = 1;
+    termout.datatype = format;
+    return retval;
+}
+
 bool Periph_fpga::read_fpga_temperature(TermOutput& termout, int format)
 {
     bool retval = true;