Diff: USBHostPhs/USBHostPhs.h

Revision:

96:b50f5f795684

Child:

97:7d9cc95e2ea7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostPhs/USBHostPhs.h	Wed Feb 18 09:40:07 2015 +0000
@@ -0,0 +1,168 @@
+/* mbed USBHost Library
+ * Copyright (c) 2006-2013 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 _USBHostPhs_H_
+#define _USBHostPhs_H_
+
+#include "USBHost.h"
+#include "IUSBHostSerial.h"
+
+#include "rtos.h"
+
+#define PHS_VID 0x075E
+#define PHS_PID 0x0028
+
+#define WANDONGLE_MAX_OUTEP_SIZE 64
+#define WANDONGLE_MAX_INEP_SIZE 64
+
+/**
+ * A class to communicate a USB virtual serial port
+ */
+class USBHostPhsPort : public IUSBHostSerial {
+public:
+    /**
+    * Constructor
+    */
+    USBHostPhsPort();
+
+    enum IrqType {
+        RxIrq,
+        TxIrq
+    };
+
+    enum Parity {
+        None = 0,
+        Odd,
+        Even,
+        Mark,
+        Space
+    };
+
+    void connect(USBHost* _host, USBDeviceConnected * _dev,
+        uint8_t _serial_intf, USBEndpoint* _bulk_in, USBEndpoint* _bulk_out);
+
+    /** Set the baud rate of the serial port
+     *
+     *  @param baudrate The baudrate of the serial port (default = 9600).
+     */
+    void baud(int baudrate = 921600);
+
+    /** Set the transmission format used by the Serial port
+     *
+     *  @param bits The number of bits in a word (default = 8)
+     *  @param parity The parity used (USBHostSerialPort::None, USBHostSerialPort::Odd, USBHostSerialPort::Even, USBHostSerialPort::Mark, USBHostSerialPort::Space; default = USBHostSerialPort::None)
+     *  @param stop The number of stop bits (1 or 2; default = 1)
+     */
+    void format(int bits = 8, Parity parity = USBHostPhsPort::None, int stop_bits = 1);
+
+    virtual int getc();
+    virtual int putc(int c);
+    virtual int readPacket();
+    virtual int writePacket();
+    virtual int readable();
+    virtual int writeable();
+    virtual void attach(IUSBHostSerialListener* pListener);
+    virtual void setupIrq(bool en, IUSBHostSerial::IrqType irq = IUSBHostSerial::RxIrq);
+
+protected:
+    void reset();
+
+private:
+    USBHost * host;
+    USBDeviceConnected * dev;
+
+    USBEndpoint * bulk_in;
+    USBEndpoint * bulk_out;
+    uint32_t size_bulk_in;
+    uint32_t size_bulk_out;
+
+    void init();
+
+    uint8_t buf[64];
+
+    typedef struct {
+        uint32_t baudrate;
+        uint8_t stop_bits;
+        uint8_t parity;
+        uint8_t data_bits;
+    } PACKED LINE_CODING;
+
+    LINE_CODING line_coding;
+
+    void rxHandler();
+    void txHandler();
+
+    uint8_t serial_intf;
+
+
+    uint8_t buf_out[WANDONGLE_MAX_OUTEP_SIZE];
+    volatile uint32_t buf_out_len;
+    uint32_t max_out_size;
+    volatile bool lock_tx;
+    volatile bool cb_tx_en;
+    volatile bool cb_tx_pending;
+    Mutex tx_mtx;
+
+    uint8_t buf_in[WANDONGLE_MAX_INEP_SIZE];
+    volatile uint32_t buf_in_len;
+    volatile uint32_t buf_in_read_pos;
+    volatile bool lock_rx;
+    volatile bool cb_rx_en;
+    volatile bool cb_rx_pending;
+    Mutex rx_mtx;
+
+    IUSBHostSerialListener* listener;
+
+};
+
+
+class USBHostPhs : public IUSBEnumerator, public USBHostPhsPort
+{
+public:
+    USBHostPhs();
+
+    /**
+     * Try to connect a serial device
+     *
+     * @return true if connection was successful
+     */
+    bool connect();
+
+    void disconnect();
+
+    /**
+    * Check if a any serial port is connected
+    *
+    * @returns true if a serial device is connected
+    */
+    bool connected();
+
+protected:
+    USBHost* host;
+    USBDeviceConnected* dev;
+    uint8_t port_intf;
+    int ports_found;
+
+    //From IUSBEnumerator
+    virtual void setVidPid(uint16_t vid, uint16_t pid);
+    virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed
+    virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+
+private:
+    bool dev_connected;
+};
+
+#endif