add grow config that effectively disables heating

configs/grow_config.lua

@@ -0,0 +1,120 @@
+configuration = {
+    name = "grow",
+    timestep = 60.0,
+    dbfile = "/var/gardend/gardend.db",
+    logfile = "/var/gardend/gardend.log",
+    inputs = {
+        tray_temperature_and_humidity_sensor = {
+            -- Driver name
+            driver = "htu21d",
+            -- State configuration
+            variables = {"tray_temperature", "tray_humidity"},
+            -- Block-specific configuration
+            i2c_devpath = "/dev/i2c-2",
+            i2c_address = 0x40,
+        },
+        --tray_light_sensor = {
+        --    -- Driver name
+        --    driver = "tsl2561",
+        --    -- State configuration
+        --    variables = {"tray_light"},
+        --    -- Block-specific configuration
+        --    i2c_devpath = "/dev/i2c-0",
+        --    i2c_address = 0x39,
+        --},
+        webcam = {
+            -- Driver name
+            driver = "webcam",
+            -- State configuration
+            variables = {"webcam_file"},
+            -- Block-specific configuration
+            interval = 5, -- 5 timestep interval
+            wwwdir = "/var/www",
+            archivedir = "/mnt/sd/webcam",
+        },
+    },
+    controllers = {
+        growlight_timer = {
+            -- Driver name
+            driver = "timer",
+            -- State configuration
+            variables = {"growlight_state"},
+            -- Block-specific configuration
+            time_on = {hour = 6, min = 0, sec = 0},
+            time_off = {hour = 22, min = 0, sec = 0},
+        },
+        heatmat_controller = {
+            -- Driver name
+            driver = "heatmat",
+            -- State configuration
+            variables = {"tray_temperature", "heatmat_hysteresis", "heatmat_state"},
+            -- Block-specific configuration
+            temperature_target = 20.0,
+            temperature_threshold_high = 0.25,
+            temperature_threshold_low = 0.5,
+        }
+    },
+    outputs = {
+        growlight_switch = {
+            -- Driver name
+            driver = "gpioswitch",
+            -- State configuration
+            variables = {"growlight_state"},
+            -- Block-specific configuration
+            gpio_number = 68,
+            active_low = false,
+            initial_value = false,
+        },
+        heatmat_switch = {
+            -- Driver name
+            driver = "gpioswitch",
+            -- State configuration
+            variables = {"heatmat_state"},
+            -- Block-specific configuration
+            gpio_number = 26,
+            active_low = false,
+            initial_value = false,
+        },
+    },
+    postprocessors = {
+        textstats = {
+            -- Driver name
+            driver = "textstats",
+            -- Block-specific configuration
+            variables = {
+                {name = "tray_temperature", units = "°C"},
+                {name = "tray_humidity", units = "%"},
+                --{name = "tray_light", units = "lux"},
+                {name = "heatmat_hysteresis", units = ""},
+                {name = "heatmat_state", units = "(on/off)"},
+                {name = "growlight_state", units = "(on/off)"},
+            },
+            file = nil,
+        },
+        webstats = {
+            -- Driver name
+            driver = "webstats",
+            -- Block-specific configuration
+            wwwdir = '/var/www',
+            blogfile = '/var/gardend/microblog.lua',
+            site_url = 'http://theanine.me',
+            stats_variables = {
+                {name = "tray_temperature", units = "C", description = "Tray Temperature"},
+                {name = "tray_humidity", units = "%", description = "Tray Humidity"},
+                --{name = "tray_light", units = "lux", description = "Tray Light"},
+                {name = "heatmat_state", units = "(on/off)", description = "Heatmat State"},
+                {name = "growlight_state", units = "(on/off)", description = "Growlight State"},
+            },
+            plot_utc_offset = -8,
+            plot_width = 600,
+            plot_height = 800,
+            plot_variables = {
+                {name = "tray_temperature", duration = 8*60*60},
+                {name = "heatmat_state", duration = 8*60*60},
+                {name = "tray_humidity", duration = 8*60*60},
+                --{name = "tray_light", duration = 8*60*60},
+                {name = "growlight_state", duration = 8*60*60},
+            },
+        }
+    },
+}