client: add troubleshoot file transfer

Author: joelguittet

README.md

@@ -47,6 +47,7 @@ In order to get the Device Troubleshoot add-on working, the following configurat
 
 ```
 CONFIG_HEAP_MEM_POOL_SIZE=1500
+CONFIG_ZVFS_OPEN_MAX=16
 CONFIG_SHELL_BACKEND_SERIAL=n
 CONFIG_SHELL_AUTOSTART=n
 CONFIG_SHELL_STACK_SIZE=3072
@@ -206,6 +207,10 @@ Congratulation! You have updated the device. Mender server displays the success
 In case of failure to connect and authenticate to the server the current example application performs a rollback to the previous release.
 You can customize the behavior of the example application to add your own checks and perform the rollback in case the tests fail.
 
+### Using Device Troubleshoot add-on
+
+The Device Troubleshoot add-on permits to display the Zephyr Shell on the Mender interface. Autocompletion and colors are available.
+
 ### Using an other zephyr evaluation board
 
 The zephyr integration into the mender-mcu-client is generic and it is not limited to STM32 MCUs.

components/mender-mcu-client

@@ -21,11 +21,13 @@ CONFIG_MENDER_SERVER_TENANT_TOKEN="<insert your own token here>"
 CONFIG_MENDER_CLIENT_ADD_ON_INVENTORY=y
 CONFIG_MENDER_CLIENT_ADD_ON_CONFIGURE=y
 #CONFIG_MENDER_CLIENT_ADD_ON_TROUBLESHOOT=y
+#CONFIG_MENDER_CLIENT_TROUBLESHOOT_SHELL=y
 CONFIG_MENDER_PLATFORM_STORAGE_TYPE_WEAK=y
 CONFIG_MENDER_PLATFORM_TLS_TYPE_CRYPTOAUTHLIB=y
 
 # Required to get Device Troubleshoot add-on working
 #CONFIG_HEAP_MEM_POOL_SIZE=1500
+#CONFIG_ZVFS_OPEN_MAX=16
 #CONFIG_SHELL_BACKEND_SERIAL=n
 #CONFIG_SHELL_AUTOSTART=n
 #CONFIG_SHELL_STACK_SIZE=3072

prj.conf

@@ -345,9 +345,12 @@ main(void) {
     LOG_INF("Mender inventory add-on registered");
 #endif /* CONFIG_MENDER_CLIENT_ADD_ON_INVENTORY */
 #ifdef CONFIG_MENDER_CLIENT_ADD_ON_TROUBLESHOOT
-    mender_troubleshoot_config_t    mender_troubleshoot_config = { .healthcheck_interval = 0 };
-    mender_troubleshoot_callbacks_t mender_troubleshoot_callbacks
-        = { .shell_begin = shell_begin_cb, .shell_resize = shell_resize_cb, .shell_write = shell_write_cb, .shell_end = shell_end_cb };
+    mender_troubleshoot_config_t    mender_troubleshoot_config    = { .healthcheck_interval = 0 };
+    mender_troubleshoot_callbacks_t mender_troubleshoot_callbacks = {
+#ifdef CONFIG_MENDER_CLIENT_TROUBLESHOOT_SHELL
+        .shell = { .open = mender_shell_open, .resize = mender_shell_resize, .write = mender_shell_write, .close = mender_shell_close }
+#endif /* CONFIG_MENDER_CLIENT_TROUBLESHOOT_SHELL */
+    };
     assert(MENDER_OK
            == mender_client_register_addon(
                (mender_addon_instance_t *)&mender_troubleshoot_addon_instance, (void *)&mender_troubleshoot_config, (void *)&mender_troubleshoot_callbacks));