Diff: Adafruit_BluefruitLE_SPI.h

Revision:

0:a80552d32b80

Child:

2:8c341bac60b8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_BluefruitLE_SPI.h	Sat Feb 06 20:58:22 2021 +0000
@@ -0,0 +1,103 @@
+/**************************************************************************/
+/*!
+    @file     Adafruit_BluefruiLE_SPI.h
+    @author   hathach, ktown (Adafruit Industries), ajp109 (University of York)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2015, Adafruit Industries (adafruit.com)
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+#ifndef _ADAFRUIT_BLE_SPI_H_
+#define _ADAFRUIT_BLE_SPI_H_
+
+#include <Adafruit_BLE.h>
+#include "utility/Adafruit_FIFO.h"
+
+#define SPI_IGNORED_BYTE          0xFEu /**< SPI default character. Character clocked out in case of an ignored transaction. */
+#define SPI_OVERREAD_BYTE         0xFFu /**< SPI over-read character. Character clocked out after an over-read of the transmit buffer. */
+#define SPI_DEFAULT_DELAY_US      50
+
+#define memclr(buffer, size)  memset(buffer, 0, size)
+
+
+class Adafruit_BluefruitLE_SPI : public Adafruit_BLE
+{
+private:
+    // Hardware Pin
+    SPI             m_spi;
+    InterruptIn     m_irq;
+    DigitalOut      m_rst;
+
+    // TX
+    uint8_t         m_tx_buffer[SDEP_MAX_PACKETSIZE];
+    uint8_t         m_tx_count;
+
+    // RX
+    uint8_t         m_rx_buffer[BLE_BUFSIZE];
+    Adafruit_FIFO   m_rx_fifo;
+
+    bool            m_mode_switch_command_enabled;
+
+    // Low level transportation I/O functions
+    bool    sendInitializePattern(void);
+    bool    sendPacket(uint16_t command, const uint8_t* buffer, uint8_t count, uint8_t more_data);
+    bool    getPacket(sdepMsgResponse_t* p_response);
+
+    bool    getResponse(void);
+    void    simulateSwitchMode(void);
+//    bool    handleSwitchCmdInDataMode(uint8_t ch);
+
+    uint8_t spixfer(uint8_t x);
+    void spixfer(void *x, size_t len);
+
+public:
+    // Constructor
+    Adafruit_BluefruitLE_SPI(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName irq, PinName rst = NC);
+
+    // HW initialisation
+    bool begin(bool v = false, bool blocking = true);
+    void end(void);
+
+    bool setMode(uint8_t new_mode);
+    void enableModeSwitchCommand(bool enabled);
+
+    // Override Stream
+    virtual ssize_t write(const void *buf, size_t size);
+    virtual int sync();
+
+protected:
+    // Class Stream interface (Arduino)
+    virtual int  available(void);
+
+    virtual int _putc(int c);
+    virtual int _getc();
+
+};
+
+#endif