Displays

esphomeyaml/components/display/ssd1306_i2c.py

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+import voluptuous as vol
+
+import esphomeyaml.config_validation as cv
+from esphomeyaml import pins
+from esphomeyaml.components import display
+from esphomeyaml.components.display import ssd1306_spi
+from esphomeyaml.const import CONF_ADDRESS, CONF_EXTERNAL_VCC, CONF_ID, CONF_MODEL, CONF_RESET_PIN
+from esphomeyaml.helpers import App, Pvariable, add, gpio_output_pin_expression
+
+DEPENDENCIES = ['i2c']
+
+I2CSSD1306 = display.display_ns.I2CSSD1306
+
+PLATFORM_SCHEMA = display.FULL_DISPLAY_PLATFORM_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_variable_id(I2CSSD1306),
+    vol.Required(CONF_MODEL): cv.one_of(*ssd1306_spi.MODELS),
+    vol.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
+    vol.Optional(CONF_EXTERNAL_VCC): cv.boolean,
+    vol.Optional(CONF_ADDRESS): cv.i2c_address,
+})
+
+
+def to_code(config):
+    ssd = Pvariable(config[CONF_ID], App.make_i2c_ssd1306())
+    add(ssd.set_model(ssd1306_spi.MODELS[config[CONF_MODEL]]))
+
+    if CONF_RESET_PIN in config:
+        for reset in gpio_output_pin_expression(config[CONF_RESET_PIN]):
+            yield
+        add(ssd.set_reset_pin(reset))
+    if CONF_EXTERNAL_VCC in config:
+        add(ssd.set_external_vcc(config[CONF_EXTERNAL_VCC]))
+    if CONF_ADDRESS in config:
+        add(ssd.set_address(config[CONF_ADDRESS]))
+
+    display.setup_display(ssd, config)
+
+
+BUILD_FLAGS = '-DUSE_SSD1306'