Added some checks to enable uart logging for SoC and efr.

Author: arun-silabs

examples/platform/silabs/SiWx917/BUILD.gn

@@ -223,7 +223,7 @@ source_set("siwx917-common") {
     "SiWx917/wfx_rsi_host.c",
   ]
 
-  if (chip_enable_pw_rpc || chip_build_libshell) {
+  if (chip_enable_pw_rpc || chip_build_libshell || sl_uart_log_output) {
     sources += [ "uart.cpp" ]
   }
 
@@ -241,10 +241,6 @@ source_set("siwx917-common") {
     public_deps += [ "${chip_root}/examples/common/QRCode" ]
   }
 
-  if (sl_uart_log_output) {
-    sources += [ "${silabs_common_plat_dir}/SiWx917/uart.cpp" ]
-  }
-
   if (enable_heap_monitoring) {
     sources += [ "${silabs_common_plat_dir}/MemMonitoring.cpp" ]
   }

src/platform/silabs/Logging.cpp

@@ -55,7 +55,9 @@
 #endif
 
 #if SILABS_LOG_OUT_UART
+#if SIWX_917
 #include "rsi_debug.h"
+#endif // SIWX_917
 #include "uart.h"
 #endif
 
@@ -136,13 +138,17 @@ static void PrintLog(const char * msg)
         sz = strlen(msg);
 
 #if SILABS_LOG_OUT_UART
+#if SIWX_917
         for (/* Empty */; sz != 0; --sz)
         {
             Board_UARTPutChar(*msg++);
         }
         // To print next log in new line with proper formatting
         Board_UARTPutChar('\r');
         Board_UARTPutChar('\n');
+#else
+        uartLogWrite(msg, sz);
+#endif // SIWX_917
 #elif PW_RPC_ENABLED
         PigweedLogger::putString(msg, sz);
 #else