add: vendor directory

add: cli (argparse)
add: test runner

runners/test.c

@@ -0,0 +1,30 @@
+#include <unistd.h>   
+
+#include <runners.h>
+#include <logger.h>
+#include <drivers.h>
+#include <drivers.h>
+
+void
+runner_test(controller_t *controller)
+{
+    // from x down to 0 to turn all relays off in the end
+    for(int test_run = 2; test_run >= 0; --test_run)
+    {
+        for(uint_fast8_t i = 0; i < controller->relay_count; ++i)
+        {
+            switch(global_config.relay_configs[i].driver)
+            {
+                case RELAY_DRIVER_GPIO:
+                    driver_gpio_set(global_config.relay_configs[i].pin, test_run % 2);
+                    break;
+                case RELAY_DRIVER_PIFACE:
+                    driver_piface_set(global_config.relay_configs[i].pin, test_run % 2);
+                    break;
+                default:
+                    LOG_WARN("relay %d is not using a driver", i);
+            }
+            sleep(1);
+        }
+    }
+}