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PN512SPITransportDriver.h
1 /* mbed Microcontroller Library
2  * Copyright (c) 2018 ARM Limited
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef MBED_PN512_SPI_TRANSPORT_DRIVER_H
18 #define MBED_PN512_SPI_TRANSPORT_DRIVER_H
19 
20 #include <stdint.h>
21 
22 #include "platform/platform.h"
23 #include "platform/nfc_transport.h"
24 #include "PN512TransportDriver.h"
25 
26 #include "drivers/SPI.h"
27 #include "drivers/DigitalOut.h"
28 #include "drivers/InterruptIn.h"
29 
30 namespace mbed {
31 namespace nfc {
32 
34 public:
35  PN512SPITransportDriver(PinName mosi, PinName miso, PinName sclk, PinName ssel, PinName irq, PinName rst);
36 
37 private:
38  virtual void initialize();
39  virtual nfc_transport_t *get_transport();
40 
41  void transport_write(uint8_t address, const uint8_t *outBuf, size_t outLen);
42  void transport_read(uint8_t address, uint8_t *inBuf, size_t inLen);
43 
44  // Callbacks from munfc
45  static void s_transport_write(uint8_t address, const uint8_t *outBuf, size_t outLen, void *pUser);
46  static void s_transport_read(uint8_t address, uint8_t *inBuf, size_t inLen, void *pUser);
47 
48  nfc_transport_t _nfc_transport;
49  mbed::SPI _spi;
50  mbed::DigitalOut _ssel;
51  mbed::InterruptIn _irq;
52  mbed::DigitalOut _rst;
53 };
54 
55 } // namespace nfc
56 } // namespace mbed
57 
58 #endif
A digital interrupt input, used to call a function on a rising or falling edge.
Definition: InterruptIn.h:65
A digital output, used for setting the state of a pin.
Definition: DigitalOut.h:49
A SPI Master, used for communicating with SPI slave devices.
Definition: SPI.h:98
The PN512 supports multiple transport mechanisms (SPI, I2C, UART): this class provides a unified API ...
Definition: ATHandler.h:46
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