diff --git a/.gitignore b/.gitignore
index e0e9fe6..c80c022 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 cube/build/
+.*.sw?
\ No newline at end of file
diff --git a/cube/User/Src/main2.c b/cube/User/Src/main2.c
index 8b956d2..8b4da52 100644
--- a/cube/User/Src/main2.c
+++ b/cube/User/Src/main2.c
@@ -31,10 +31,22 @@ void helloWorld(void *handle) {
 	HAL_UART_Transmit_IT(&debugUart, (uint8_t*) hello, strlen(hello));
 }
 
+void enableLoop(void *handle) {
+	HAL_GPIO_WritePin(Loop_Enable_GPIO_Port, Loop_Enable_Pin, GPIO_PIN_SET);
+	HAL_GPIO_WritePin(Loop_Enable_GPIO_Port, Loop_Enable_Pin, GPIO_PIN_RESET);
+}
+
+void disableLoop(void *handle) {
+	HAL_GPIO_WritePin(Loop_Disable_GPIO_Port, Loop_Disable_Pin, GPIO_PIN_SET);
+	HAL_GPIO_WritePin(Loop_Disable_GPIO_Port, Loop_Disable_Pin, GPIO_PIN_RESET);
+}
+
 void my_setup_2() {
     schAdd(blinkRed, NULL, 0, 500);
 	schAdd(blinkGreen, NULL, 0, 1000);
 	schAdd(helloWorld, NULL, 0, 5000);
+	schAdd(enableLoop, NULL, 10000, 0);
+	schAdd(disableLoop, NULL, 20000, 0);
 }
 
 void my_loop() {
diff --git a/tools/startBuildEnv.sh b/tools/startBuildEnv.sh
new file mode 100755
index 0000000..5df0894
--- /dev/null
+++ b/tools/startBuildEnv.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+docker run -it --rm -u ${UID} -v ${PWD}:/mnt wollud1969/build-env-arm-none-eabi:1.1.0 bash