Diff: mbed/drivers/DigitalIn.h

Revision:

12:406f75196a12

Parent:

11:32eeb052cda5

Child:

13:0c732e06d675

--- a/mbed/drivers/DigitalIn.h	Wed Aug 26 14:26:27 2020 +0530
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,132 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef MBED_DIGITALIN_H
-#define MBED_DIGITALIN_H
-
-#include "platform/platform.h"
-
-#include "hal/gpio_api.h"
-#include "platform/mbed_critical.h"
-
-namespace mbed {
-/** \addtogroup drivers */
-
-/** A digital input, used for reading the state of a pin
- *
- * @note Synchronization level: Interrupt safe
- *
- * Example:
- * @code
- * // Flash an LED while a DigitalIn is true
- *
- * #include "mbed.h"
- *
- * DigitalIn enable(p5);
- * DigitalOut led(LED1);
- *
- * int main() {
- *     while(1) {
- *         if(enable) {
- *             led = !led;
- *         }
- *         wait(0.25);
- *     }
- * }
- * @endcode
- * @ingroup drivers
- */
-class DigitalIn {
-
-public:
-    /** Create a DigitalIn connected to the specified pin
-     *
-     *  @param pin DigitalIn pin to connect to
-     */
-    DigitalIn(PinName pin) : gpio()
-    {
-        // No lock needed in the constructor
-        gpio_init_in(&gpio, pin);
-    }
-
-    /** Create a DigitalIn connected to the specified pin
-     *
-     *  @param pin DigitalIn pin to connect to
-     *  @param mode the initial mode of the pin
-     */
-    DigitalIn(PinName pin, PinMode mode) : gpio()
-    {
-        // No lock needed in the constructor
-        gpio_init_in_ex(&gpio, pin, mode);
-    }
-    /** Read the input, represented as 0 or 1 (int)
-     *
-     *  @returns
-     *    An integer representing the state of the input pin,
-     *    0 for logical 0, 1 for logical 1
-     */
-    int read()
-    {
-        // Thread safe / atomic HAL call
-        return gpio_read(&gpio);
-    }
-
-    /** Set the input pin mode
-     *
-     *  @param pull PullUp, PullDown, PullNone, OpenDrain
-     */
-    void mode(PinMode pull)
-    {
-        core_util_critical_section_enter();
-        gpio_mode(&gpio, pull);
-        core_util_critical_section_exit();
-    }
-
-    /** Return the output setting, represented as 0 or 1 (int)
-     *
-     *  @returns
-     *    Non zero value if pin is connected to uc GPIO
-     *    0 if gpio object was initialized with NC
-     */
-    int is_connected()
-    {
-        // Thread safe / atomic HAL call
-        return gpio_is_connected(&gpio);
-    }
-
-    /** An operator shorthand for read()
-     * \sa DigitalIn::read()
-     * @code
-     *      DigitalIn  button(BUTTON1);
-     *      DigitalOut led(LED1);
-     *      led = button;   // Equivalent to led.write(button.read())
-     * @endcode
-     */
-    operator int()
-    {
-        // Underlying read is thread safe
-        return read();
-    }
-
-protected:
-#if !defined(DOXYGEN_ONLY)
-    gpio_t gpio;
-#endif //!defined(DOXYGEN_ONLY)
-};
-
-} // namespace mbed
-
-#endif