Smallish Update

esphomeyaml/components/uart.py

@@ -0,0 +1,33 @@
+import voluptuous as vol
+
+import esphomeyaml.config_validation as cv
+from esphomeyaml import pins
+from esphomeyaml.const import CONF_BAUD_RATE, CONF_ID, CONF_RX, CONF_TX
+from esphomeyaml.helpers import App, Pvariable, esphomelib_ns, gpio_input_pin_expression, \
+    gpio_output_pin_expression
+
+UARTComponent = esphomelib_ns.UARTComponent
+
+SPI_SCHEMA = vol.Schema({
+    cv.GenerateID(): cv.declare_variable_id(UARTComponent),
+    vol.Required(CONF_TX): pins.gpio_output_pin_schema,
+    vol.Required(CONF_RX): pins.gpio_input_pin_schema,
+    vol.Required(CONF_BAUD_RATE): cv.positive_int,
+})
+
+CONFIG_SCHEMA = vol.All(cv.ensure_list, [SPI_SCHEMA])
+
+
+def to_code(config):
+    for conf in config:
+        tx = None
+        for tx in gpio_output_pin_expression(conf[CONF_TX]):
+            yield
+        rx = None
+        for rx in gpio_input_pin_expression(conf[CONF_RX]):
+            yield
+        rhs = App.init_uart(tx, rx, conf[CONF_BAUD_RATE])
+        Pvariable(conf[CONF_ID], rhs)
+
+
+BUILD_FLAGS = '-DUSE_UART'