Remove printf completely and fix the optimization check

Author: SenRamakri

platform/mbed_error.c

@@ -211,24 +211,16 @@ mbed_error_status_t mbed_error_initialize(void)
         //Read report_error_ctx and check if CRC is correct, and with valid status code
         if ((report_error_ctx->crc_error_ctx == crc_val) && (report_error_ctx->is_error_processed == 0)) {
             is_reboot_error_valid = true;
-            //Report the error info
-#ifndef NDEBUG
-            printf("\n== The system has been rebooted due to a fatal error. ==\n");
-#endif
 
             //Call the mbed_error_reboot_callback, this enables applications to do some handling before we do the handling
             mbed_error_reboot_callback(report_error_ctx);
 
             //We let the callback reset the error info, so check if its still valid and do the rest only if its still valid.
-            if (report_error_ctx->error_reboot_count < 0) {
+            if (report_error_ctx->error_reboot_count > 0) {
 
                 //Enforce max-reboot only if auto reboot is enabled
 #if MBED_CONF_PLATFORM_FATAL_ERROR_AUTO_REBOOT_ENABLED
                 if (report_error_ctx->error_reboot_count >= MBED_CONF_PLATFORM_ERROR_REBOOT_MAX) {
-                    //We have rebooted more than enough, hold the system here.
-#ifndef NDEBUG
-                    printf("\n== Reboot count(=%ld) exceeded maximum, system halting ==\n", report_error_ctx->error_reboot_count);
-#endif
                     mbed_halt_system();
                 }
 #endif
@@ -300,6 +292,11 @@ WEAK MBED_NORETURN mbed_error_status_t mbed_error(mbed_error_status_t error_stat
     core_util_critical_section_exit();
     //We need not call delete_mbed_crc(crc_obj) here as we are going to reset the system anyway, and calling delete while handling a fatal error may cause nested exception
 #if MBED_CONF_PLATFORM_FATAL_ERROR_AUTO_REBOOT_ENABLED && (MBED_CONF_PLATFORM_ERROR_REBOOT_MAX > 0)
+    mbed_error_printf("\n= System will be rebooted due to a fatal error =\n");
+    if (report_error_ctx->error_reboot_count >= MBED_CONF_PLATFORM_ERROR_REBOOT_MAX) {
+        //We have rebooted more than enough, hold the system here.
+        mbed_error_printf("= Reboot count(=%ld) reached maximum, system will halt after rebooting =\n", report_error_ctx->error_reboot_count);
+    }
     system_reset();//do a system reset to get the system rebooted
 #endif
 #endif