Add doc comments for globalFpgaStatus_<Function Block's name> status global variables.

Demo_CoRAMBAD_Brave_GR740_GNC/calling/calling.c

@@ -11,8 +11,14 @@ char p_szGlobalState[] = "modeX";
 #define FPGA_ERROR              "error"
 #define FPGA_DISABLED           "disabled"
 
+// For each HWSW Function Block a global variable must be created with name "globalFpgaStatus_<Function Block's name>".
+// This variable will host at any time the current HW status associated with the respective Function Block.
+// This status shall be updated by the HW reconfiguration manager commanding of the FPGA and FPGA status check,
+// and can be one of: FPGA_READY, FPGA_RECONFIGURING, FPGA_ERROR, FPGA_DISABLED.
+// Status is kept per Function Block and not for the full FPGA, to accomodate for future work on partial reconfiguration of the HW accelerator.
 char globalFpgaStatus_gnc[] = FPGA_READY;
 
+// Print any output only at the end of the test run (using sprintf to array), to avoid the usual real time degradation of console prints.
 #define NR_MODE_SWITCHES   40
 char testLog[40 * NR_MODE_SWITCHES][100];
 int line = 0;