Added mutex for multiple SPI devices on the same SPI bus

Fork of cc3000_hostdriver_mbedsocket by Martin Kojtal

Revision:
0:615c697c33b0
Child:
20:30b6ed7bf8fd
Child:
21:fb34ac8d9af5
diff -r 000000000000 -r 615c697c33b0 cc3000_hci.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cc3000_hci.cpp	Thu Sep 19 07:55:14 2013 +0000
@@ -0,0 +1,149 @@
+/*****************************************************************************
+*
+*  C++ interface/implementation created by Martin Kojtal (0xc0170). Thanks to
+*  Jim Carver and Frank Vannieuwkerke for their inital cc3000 mbed port and
+*  provided help.
+*
+*  This version of "host driver" uses CC3000 Host Driver Implementation. Thus
+*  read the following copyright:
+*
+*  Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+*
+*  Redistribution and use in source and binary forms, with or without
+*  modification, are permitted provided that the following conditions
+*  are met:
+*
+*    Redistributions of source code must retain the above copyright
+*    notice, this list of conditions and the following disclaimer.
+*
+*    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.
+*
+*    Neither the name of Texas Instruments Incorporated 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 AND CONTRIBUTORS
+*  "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
+*  OWNER OR CONTRIBUTORS 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.
+*
+*****************************************************************************/
+#include "cc3000.h"
+
+namespace mbed_cc3000 {
+
+cc3000_hci::cc3000_hci(cc3000_spi &spi) : _spi(spi) {
+
+}
+
+cc3000_hci::~cc3000_hci() {
+
+}
+
+uint16_t  cc3000_hci::command_send(uint16_t op_code, uint8_t *buffer, uint8_t length) {
+    unsigned char *stream;
+
+    stream = (buffer + SPI_HEADER_SIZE);
+
+    UINT8_TO_STREAM(stream, HCI_TYPE_CMND);
+    stream = UINT16_TO_STREAM(stream, op_code);
+    UINT8_TO_STREAM(stream, length);
+    //Update the opcode of the event we will be waiting for
+    _spi.write(buffer, length + SIMPLE_LINK_HCI_CMND_HEADER_SIZE);
+    return(0);
+}
+
+uint32_t  cc3000_hci::data_send(uint8_t op_code, uint8_t *args, uint16_t arg_length,
+                    uint16_t data_length, const uint8_t *tail, uint16_t tail_length) {
+    unsigned char *stream;
+
+    stream = ((args) + SPI_HEADER_SIZE);
+
+    UINT8_TO_STREAM(stream, HCI_TYPE_DATA);
+    UINT8_TO_STREAM(stream, op_code);
+    UINT8_TO_STREAM(stream, arg_length);
+    stream = UINT16_TO_STREAM(stream, arg_length + data_length + tail_length);
+
+    // Send the packet
+    _spi.write(args, SIMPLE_LINK_HCI_DATA_HEADER_SIZE + arg_length + data_length + tail_length);
+
+    return 0;
+}
+
+void  cc3000_hci::data_command_send(uint16_t op_code, uint8_t *buffer, uint8_t arg_length, uint16_t data_length) {
+     unsigned char *stream = (buffer + SPI_HEADER_SIZE);
+
+    UINT8_TO_STREAM(stream, HCI_TYPE_DATA);
+    UINT8_TO_STREAM(stream, op_code);
+    UINT8_TO_STREAM(stream, arg_length);
+    stream = UINT16_TO_STREAM(stream, arg_length + data_length);
+
+    // Send the command
+    _spi.write(buffer, arg_length + data_length + SIMPLE_LINK_HCI_DATA_CMND_HEADER_SIZE);
+
+    return;
+}
+
+void  cc3000_hci::patch_send(uint8_t op_code, uint8_t *buffer, uint8_t *patch, uint16_t data_length) {
+    unsigned short usTransLength;
+    unsigned char *stream = (buffer + SPI_HEADER_SIZE);
+    UINT8_TO_STREAM(stream, HCI_TYPE_PATCH);
+    UINT8_TO_STREAM(stream, op_code);
+    stream = UINT16_TO_STREAM(stream, data_length + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE);
+    if (data_length <= SL_PATCH_PORTION_SIZE)
+    {
+        UINT16_TO_STREAM(stream, data_length);
+        stream = UINT16_TO_STREAM(stream, data_length);
+        memcpy((buffer + SPI_HEADER_SIZE) + HCI_PATCH_HEADER_SIZE, patch, data_length);
+        // Update the opcode of the event we will be waiting for
+        _spi.write(buffer, data_length + HCI_PATCH_HEADER_SIZE);
+    }
+    else
+    {
+
+        usTransLength = (data_length/SL_PATCH_PORTION_SIZE);
+        UINT16_TO_STREAM(stream, data_length + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE + usTransLength*SIMPLE_LINK_HCI_PATCH_HEADER_SIZE);
+        stream = UINT16_TO_STREAM(stream, SL_PATCH_PORTION_SIZE);
+        memcpy(buffer + SPI_HEADER_SIZE + HCI_PATCH_HEADER_SIZE, patch, SL_PATCH_PORTION_SIZE);
+        data_length -= SL_PATCH_PORTION_SIZE;
+        patch += SL_PATCH_PORTION_SIZE;
+
+        // Update the opcode of the event we will be waiting for
+        _spi.write(buffer, SL_PATCH_PORTION_SIZE + HCI_PATCH_HEADER_SIZE);
+
+        stream = (buffer + SPI_HEADER_SIZE);
+        while (data_length)
+        {
+            if (data_length <= SL_PATCH_PORTION_SIZE)
+            {
+                usTransLength = data_length;
+                data_length = 0;
+
+            }
+            else
+            {
+                usTransLength = SL_PATCH_PORTION_SIZE;
+                data_length -= usTransLength;
+            }
+
+            *(unsigned short *)stream = usTransLength;
+            memcpy(stream + SIMPLE_LINK_HCI_PATCH_HEADER_SIZE, patch, usTransLength);
+            patch += usTransLength;
+
+            // Update the opcode of the event we will be waiting for
+            _spi.write((unsigned char *)stream, usTransLength + sizeof(usTransLength));
+        }
+    }
+}
+
+}