Added Toggle() member funciton to GpioBasic.

Test passed.

Author: suikan4github

src/gpio/gpiobasic.cpp

@@ -17,6 +17,8 @@ void rpp_driver::GpioBasic::Put(bool value) { sdk_.gpio_put(pin_, value); }
 
 bool rpp_driver::GpioBasic::Get() { return sdk_.gpio_get(pin_); }
 
+void rpp_driver::GpioBasic::Toggle() { Put(!Get()); }
+
 void rpp_driver::GpioBasic::PullUp() { sdk_.gpio_pull_up(pin_); }
 
 void rpp_driver::GpioBasic::PullDown() { sdk_.gpio_pull_down(pin_); }

src/gpio/gpiobasic.hpp

@@ -49,7 +49,7 @@ class GpioBasic {
 
   /**
    * @brief Enable GPIO input.
-   * @param enabled true to enable input on This GPIO.
+   * @param enabled true to enable input on this GPIO.
    */
   virtual void SetInputEnabled(bool enabled);
 
@@ -60,22 +60,33 @@ class GpioBasic {
   virtual void Put(bool value);
 
   /**
-   * @brief Get state of a single This GPIO.
-   * @returns Current state of the GPIO. 0 for low, non-zero for high
+   * @brief Get state of a single GPIO.
+   * @returns Current state of this GPIO. 0 for low, non-zero for high
    */
   virtual bool Get();
+
+  /**
+   * @brief Toggle the output level of this GPIO.
+   * @details
+   * If the current level is "H", set it to "L".
+   * If the current level is "L", set it to "H".
+   */
+  virtual void Toggle();
+
   /**
-   * @brief Set This GPIO to be pulled up.
+   * @brief Set this GPIO to be pulled up.
+   * @
    */
   virtual void PullUp();
 
   /**
-   * @brief Set This GPIO to be pulled down.
+   * @brief Set this GPIO to be pulled down.
    */
   virtual void PullDown();
 
   /**
-   * @brief Disable pulls on This GPIO.
+   * @brief Unset pulls on this GPIO.
+   *
    */
   virtual void DisablePulls();
 
@@ -91,6 +102,7 @@ class MockGpioBasic : public SdkWrapper {
   MOCK_METHOD1(SetInputEnabled, void(bool));
   MOCK_METHOD1(Put, void(bool));
   MOCK_METHOD0(Get, bool(void));
+  MOCK_METHOD0(Toggle, void(void));
   MOCK_METHOD0(PullUp, void(void));
   MOCK_METHOD0(PullDown, void(void));
   MOCK_METHOD0(DisablePulls, void(void));

test/test_gpiobasic.cpp

@@ -50,7 +50,7 @@ TEST(GpioBasic, ConstructorDeconstructor) {
 
 // -----------------------------------------------------------------
 //
-//                          Constructor and Deconstructor ()
+//                          Member functions.
 //
 // -----------------------------------------------------------------
 
@@ -87,6 +87,20 @@ TEST_F(GpioBasicTest, Put) {
   gpio_under_test_->Put(false);
 }  // TEST_F(GpioBasicTest, Put)
 
+TEST_F(GpioBasicTest, Toggle) {
+  using ::testing::InSequence;
+  using ::testing::Return;
+  {
+    InSequence dummy;
+    EXPECT_CALL(sdk_, gpio_get(gpio_pin_)).WillOnce(Return(true));
+    EXPECT_CALL(sdk_, gpio_put(gpio_pin_, false));
+    EXPECT_CALL(sdk_, gpio_get(gpio_pin_)).WillOnce(Return(false));
+    EXPECT_CALL(sdk_, gpio_put(gpio_pin_, true));
+  }
+  gpio_under_test_->Toggle();
+  gpio_under_test_->Toggle();
+}  // TEST_F(GpioBasicTest, Toggle)
+
 TEST_F(GpioBasicTest, Get) {
   using ::testing::InSequence;
   using ::testing::Return;

test/todo/test_gpiobasic.md

@@ -6,6 +6,12 @@
 - [x] Make it success. 
 - [x] Remove the duplication. 
 
+## GpioBasic::DisablePulls
+- [x] Implement member function . 
+- [x] Create test case to fail. 
+- [x] Make it success. 
+- [x] Remove the duplication. 
+
 ## GpioBasic::PullDown
 - [x] Implement member function . 
 - [x] Create test case to fail.