Import Mbed OS hard-float snapshot

connectivity/drivers/nfc/PN512/include/nfc/controllers/PN512Driver.h

@@ -0,0 +1,51 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2018 ARM Limited
+ *
+ * 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_PN512_DRIVER_H
+#define MBED_PN512_DRIVER_H
+
+#include <stdint.h>
+
+#include "nfc/NFCControllerDriver.h"
+#include "PN512TransportDriver.h"
+
+#include "acore/acore/ac_buffer.h"
+#include "acore/acore/ac_buffer_reader.h"
+#include "acore/acore/ac_buffer_builder.h"
+#include "transceiver/pn512.h"
+
+namespace mbed {
+namespace nfc {
+
+class PN512Driver : public NFCControllerDriver, private PN512TransportDriver::Delegate {
+public:
+    PN512Driver(PN512TransportDriver *transport_driver);
+
+    virtual nfc_transceiver_t *initialize(nfc_scheduler_timer_t *scheduler_timer);
+    virtual void get_supported_nfc_techs(nfc_tech_t *initiator, nfc_tech_t *target) const;
+
+private:
+    // PN512TransportDriver::Delegate implementation
+    virtual void on_hw_interrupt();
+
+    PN512TransportDriver *_transport_driver;
+    pn512_t _pn512;
+};
+
+} // namespace nfc
+} // namespace mbed
+
+#endif

connectivity/drivers/nfc/PN512/include/nfc/controllers/PN512SPITransportDriver.h

@@ -0,0 +1,58 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2018 ARM Limited
+ *
+ * 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_PN512_SPI_TRANSPORT_DRIVER_H
+#define MBED_PN512_SPI_TRANSPORT_DRIVER_H
+
+#include <stdint.h>
+
+#include "platform/platform.h"
+#include "platform/nfc_transport.h"
+#include "PN512TransportDriver.h"
+
+#include "drivers/SPI.h"
+#include "drivers/DigitalOut.h"
+#include "drivers/InterruptIn.h"
+
+namespace mbed {
+namespace nfc {
+
+class PN512SPITransportDriver : public PN512TransportDriver {
+public:
+    PN512SPITransportDriver(PinName mosi, PinName miso, PinName sclk, PinName ssel, PinName irq, PinName rst);
+
+private:
+    virtual void initialize();
+    virtual nfc_transport_t *get_transport();
+
+    void transport_write(uint8_t address, const uint8_t *outBuf, size_t outLen);
+    void transport_read(uint8_t address, uint8_t *inBuf, size_t inLen);
+
+    // Callbacks from munfc
+    static void s_transport_write(uint8_t address, const uint8_t *outBuf, size_t outLen, void *pUser);
+    static void s_transport_read(uint8_t address, uint8_t *inBuf, size_t inLen, void *pUser);
+
+    nfc_transport_t _nfc_transport;
+    mbed::SPI _spi;
+    mbed::DigitalOut _ssel;
+    mbed::InterruptIn _irq;
+    mbed::DigitalOut _rst;
+};
+
+} // namespace nfc
+} // namespace mbed
+
+#endif

connectivity/drivers/nfc/PN512/include/nfc/controllers/PN512TransportDriver.h

@@ -0,0 +1,86 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2018 ARM Limited
+ *
+ * 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_PN512_TRANSPORT_DRIVER_H
+#define MBED_PN512_TRANSPORT_DRIVER_H
+
+#include <stdint.h>
+#include "stack/platform/nfc_transport.h"
+
+
+namespace mbed {
+namespace nfc {
+/**
+ * The PN512 supports multiple transport mechanisms (SPI, I2C, UART): this class provides a unified API across these transports
+ */
+class PN512TransportDriver {
+public:
+    /**
+     * The PN512TransportDriver delegate
+     */
+    struct Delegate {
+        /**
+         * Called when the PN512 asserts the interrupt line
+         */
+        virtual void on_hw_interrupt() {}
+
+    protected:
+        ~Delegate() {}
+    };
+
+    /**
+     * Create a PN512TransportDriver instance
+     */
+    PN512TransportDriver();
+
+    /**
+    * PN512TransportDriver destructor.
+    */
+    virtual ~PN512TransportDriver();
+
+    /**
+     * Initialize transport driver and perform a chip reset
+     */
+    virtual void initialize() = 0;
+
+    /**
+     * Retrieve the nfc_transport_t struct for the stack to use
+     *
+     * @return a pointer to a nfc_transport_t struct
+     */
+    virtual nfc_transport_t *get_transport() = 0;
+
+    /**
+     * Set this instance's delegate
+     *
+     * @param[in] delegate the delegate instance to use
+     */
+    void set_delegate(Delegate *delegate);
+protected:
+
+    /**
+     * An implementation must call this function (can be called from interrupt context)
+     * when the PN512 asserts its interrupt line
+     */
+    void hw_interrupt();
+private:
+    Delegate *_delegate;
+};
+
+} // namespace nfc
+} // namespace mbed
+
+#endif