diff --git a/stm-firmware/shell.c b/stm-firmware/shell.c
index a023ac6..1e05803 100644
--- a/stm-firmware/shell.c
+++ b/stm-firmware/shell.c
@@ -5,6 +5,7 @@
 #include <digio.h>
 #include <stdlib.h>
 #include <helper-macros/helper-macros.h>
+#include <systick.h>
 
 #ifndef GIT_VER
 #define GIT_VER "VERSION NOT SET"
@@ -123,6 +124,16 @@ static shellmatta_retCode_t shell_cmd_clear_error_status(const shellmatta_handle
 
 	return SHELLMATTA_OK;
 }
+
+static shellmatta_retCode_t shell_cmd_uptime(const shellmatta_handle_t   handle,
+					     const char                  *arguments,
+					     uint32_t length)
+{
+	(void)arguments;
+	(void)length;
+	shellmatta_printf(handle, "Uptime: %llu secs", global_tick_ms/1000);
+	return SHELLMATTA_OK;
+}
 //typedef struct shellmatta_cmd
 //{
 //    char                    *cmd;       /**< command name                           */
@@ -133,7 +144,7 @@ static shellmatta_retCode_t shell_cmd_clear_error_status(const shellmatta_handle
 //    struct shellmatta_cmd   *next;      /**< pointer to next command or NULL        */
 //} shellmatta_cmd_t;
 
-static shellmatta_cmd_t cmd[5] = {
+static shellmatta_cmd_t cmd[6] = {
 	{
 		.cmd = "version",
 		.cmdAlias = "ver",
@@ -172,6 +183,14 @@ static shellmatta_cmd_t cmd[5] = {
 		.helpText = "Set DIGIO Port",
 		.usageText = "digio-set <num> <state>",
 		.cmdFct = shell_cmd_digio_set,
+		.next = &cmd[5],
+	},
+	{
+		.cmd = "uptime",
+		.cmdAlias = "upt",
+		.helpText = "Get uptime in seconds",
+		.usageText = "",
+		.cmdFct = shell_cmd_uptime,
 		.next = NULL,
 	},
 };