add: invert gpios

controller.ini

@@ -6,39 +6,49 @@ relay-count = 10
 [relay-0]
 driver = piface
 pin = 0
+inverted = 0
 
 [relay-1]
 driver = piface
 pin = 1
+inverted = 0
 
 [relay-2]
 driver = gpio
 pin = 0
+inverted = 1
 
 [relay-3]
 driver = gpio
 pin = 2
+inverted = 1
 
 [relay-4]
 driver = gpio
 pin = 3
+inverted = 1
 
 [relay-5]
 driver = gpio
 pin = 15
+inverted = 1
 
 [relay-6]
 driver = gpio
 pin = 16
+inverted = 1
 
 [relay-7]
 driver = gpio
 pin = 1
+inverted = 1
 
 [relay-8]
 driver = gpio
 pin = 4
+inverted = 1
 
 [relay-9]
 driver = gpio
 pin = 5
+inverted = 1

handlers/loop.c

@@ -25,6 +25,10 @@ handler_loop(controller_t *controller)
             LOG_DEBUG("relay %d is active", i);
             is_active = 1;
         }
+        if(global_config.relay_configs[i].inverted)
+        {
+            is_active = !is_active;
+        }
         switch(global_config.relay_configs[i].driver)
         {
             case RELAY_DRIVER_GPIO:

helpers/load_config.c

@@ -48,6 +48,11 @@ helper_load_config(IniDispatch *disp, void *config_void)
                 config->relay_configs[i].pin = atoi(disp->value);
                 return 0;
             }
+            if(CONFINI_IS_KEY(relay_section_name, "inverted"))
+            {
+                config->relay_configs[i].inverted = atoi(disp->value);
+                return 0;
+            }
             if(CONFINI_IS_KEY(relay_section_name, "driver"))
             {
                 if(strcasecmp(disp->value, "gpio") == 0)

include/config.h

@@ -9,6 +9,7 @@
 typedef struct
 {
     uint8_t pin;
+    int inverted;
     relay_driver_t driver;
 } config_relay_t;
 

runners/test.c

@@ -13,13 +13,18 @@ runner_test(controller_t *controller)
     {
         for(uint_fast8_t i = 0; i < controller->relay_count; ++i)
         {
+            int is_active = test_run % 2;
+            if(global_config.relay_configs[i].inverted)
+            {
+                is_active = !is_active;
+            }
             switch(global_config.relay_configs[i].driver)
             {
                 case RELAY_DRIVER_GPIO:
-                    driver_gpio_set(global_config.relay_configs[i].pin, test_run % 2);
+                    driver_gpio_set(global_config.relay_configs[i].pin, is_active);
                     break;
                 case RELAY_DRIVER_PIFACE:
-                    driver_piface_set(global_config.relay_configs[i].pin, test_run % 2);
+                    driver_piface_set(global_config.relay_configs[i].pin, is_active);
                     break;
                 default:
                     LOG_WARN("relay %d is not using a driver", i);