diff --git a/app/nano_shell_command.c b/app/nano_shell_command.c
index cf0176a..b07fea2 100644
--- a/app/nano_shell_command.c
+++ b/app/nano_shell_command.c
@@ -132,6 +132,7 @@ int _reset(const shell_cmd_t *pcmd, int argc, char *const argv[])
 
 int _bus(const shell_cmd_t *pcmd, int argc, char *const argv[])
 {
+  char spi_recv_buff[32] = "";
   if(argc > 1)
   {
     if(strcmp(argv[1], "spi_init") == 0)
@@ -146,30 +147,24 @@ int _bus(const shell_cmd_t *pcmd, int argc, char *const argv[])
     }
     else if(strcmp(argv[1], "spi_w") == 0)
     {
-
-    }
-    else if(strcmp(argv[1], "spi_r") == 0)
-    {
-
-    }
-    else if(strcmp(argv[1], "spi_wr") == 0)
-    {
-      char spi_recv_buff[32] = "";
-      /*shell_printf("Writing [%s](len : %d) to SPI"NEW_LINE, argv[2], strlen(argv[2]));
+      shell_printf("Writing [%s](len : %d) to SPI"NEW_LINE, argv[2], strlen(argv[2]));
       if(tls_spi_write((u8*)argv[2], strlen(argv[2])) != TLS_SPI_STATUS_OK)
       {
         shell_printf("Failed to write to SPI"NEW_LINE);
         return 0;
       }
-
-      tls_os_time_delay(1000);*/
-
-      /*if(tls_spi_read((u8*)spi_recv_buff, sizeof(spi_recv_buff) - 1) != TLS_SPI_STATUS_OK)
+    }
+    else if(strcmp(argv[1], "spi_r") == 0)
+    {
+      if(tls_spi_read((u8*)spi_recv_buff, sizeof(spi_recv_buff) - 1) != TLS_SPI_STATUS_OK)
       {
         shell_printf("Failed to read from SPI"NEW_LINE);
         return 0;
-      }*/
-
+      }
+      shell_printf("Received [%s](len : %d) from SPI"NEW_LINE, spi_recv_buff, strlen(spi_recv_buff));
+    }
+    else if(strcmp(argv[1], "spi_wr") == 0)
+    {
       if(tls_spi_read_with_cmd((u8 *) argv[2], strlen(argv[2]), (u8 *) spi_recv_buff, sizeof(spi_recv_buff) - 1) != TLS_SPI_STATUS_OK)
       {
         shell_printf("Failed to write & read combo using SPI"NEW_LINE);