rename folder

components/empty_spi_component/README.md

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+```yaml
+# example configuration:
+
+empty_spi_component:
+  id: empty_spi_component_1
+  cs_pin: D8
+
+spi:
+  clk_pin: D5
+  miso_pin: D6
+```

components/empty_spi_component/__init__.py

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+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import spi
+from esphome.const import CONF_ID
+
+DEPENDENCIES = ['spi']
+
+empty_spi_component_ns = cg.esphome_ns.namespace('empty_spi_component')
+EmptySPIComponent = empty_spi_component_ns.class_('EmptySPIComponent', cg.Component, spi.SPIDevice)
+
+CONFIG_SCHEMA = cv.Schema({
+    cv.GenerateID(): cv.declare_id(EmptySPIComponent)
+}).extend(cv.COMPONENT_SCHEMA).extend(spi.spi_device_schema(cs_pin_required=True))
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield cg.register_component(var, config)
+    yield spi.register_spi_device(var, config)

components/empty_spi_component/empty_spi_component.cpp

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+#include "esphome/core/log.h"
+#include "empty_spi_component.h"
+
+namespace esphome {
+namespace empty_spi_component {
+
+static const char *TAG = "empty_spi_component.component";
+
+void EmptySPIComponent::setup() {
+
+}
+
+void EmptySPIComponent::loop() {
+
+}
+
+void EmptySPIComponent::dump_config(){
+    ESP_LOGCONFIG(TAG, "Empty SPI component");
+}
+
+}  // namespace empty_spi_component
+}  // namespace esphome

components/empty_spi_component/empty_spi_component.h

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+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/spi/spi.h"
+
+namespace esphome {
+namespace empty_spi_component {
+
+class EmptySPIComponent : public Component, 
+                    public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST,spi::CLOCK_POLARITY_LOW, 
+                            spi::CLOCK_PHASE_LEADING,spi::DATA_RATE_1KHZ> {
+  public:
+    void setup() override;
+    void loop() override;
+    void dump_config() override;
+};
+
+
+}  // namespace empty_spi_component
+}  // namespace esphome