Rename esphomeyaml to esphome (#426)

* Rename

* Update

* Add migration

* Fix

* Fix dashboard

* Change test

* Fixes

* Code cleanup

* Fix import order

* Update

* Automate docker builds

* Shellcheck

esphome/components/spi.py

@@ -0,0 +1,40 @@
+import voluptuous as vol
+
+from esphome import pins
+import esphome.config_validation as cv
+from esphome.const import CONF_CLK_PIN, CONF_ID, CONF_MISO_PIN, CONF_MOSI_PIN
+from esphome.cpp_generator import Pvariable, add
+from esphome.cpp_helpers import gpio_input_pin_expression, gpio_output_pin_expression, \
+    setup_component
+from esphome.cpp_types import App, Component, esphome_ns
+
+SPIComponent = esphome_ns.class_('SPIComponent', Component)
+SPIDevice = esphome_ns.class_('SPIDevice')
+MULTI_CONF = True
+
+CONFIG_SCHEMA = vol.All(vol.Schema({
+    cv.GenerateID(): cv.declare_variable_id(SPIComponent),
+    vol.Required(CONF_CLK_PIN): pins.gpio_output_pin_schema,
+    vol.Optional(CONF_MISO_PIN): pins.gpio_input_pin_schema,
+    vol.Optional(CONF_MOSI_PIN): pins.gpio_output_pin_schema,
+}), cv.has_at_least_one_key(CONF_MISO_PIN, CONF_MOSI_PIN))
+
+
+def to_code(config):
+    for clk in gpio_output_pin_expression(config[CONF_CLK_PIN]):
+        yield
+    rhs = App.init_spi(clk)
+    spi = Pvariable(config[CONF_ID], rhs)
+    if CONF_MISO_PIN in config:
+        for miso in gpio_input_pin_expression(config[CONF_MISO_PIN]):
+            yield
+        add(spi.set_miso(miso))
+    if CONF_MOSI_PIN in config:
+        for mosi in gpio_input_pin_expression(config[CONF_MOSI_PIN]):
+            yield
+        add(spi.set_mosi(mosi))
+
+    setup_component(spi, config)
+
+
+BUILD_FLAGS = '-DUSE_SPI'