Disco-L475VG-IOT / wifi-ism43362

Files at this revision

API Documentation at this revision

Comitter:
marcel1691
Date:
Wed Oct 03 14:07:46 2018 +0000
Parent:
0:62e55edab701
Commit message:
ATParser doppelt

Changed in this revision

ATParser/ATParser.cpp Show diff for this revision Revisions of this file
ATParser/ATParser.h Show diff for this revision Revisions of this file
ATParser/BufferedSpi/Buffer/MyBuffer.cpp Show diff for this revision Revisions of this file
ATParser/BufferedSpi/Buffer/MyBuffer.h Show diff for this revision Revisions of this file
ATParser/BufferedSpi/BufferedPrint.c Show diff for this revision Revisions of this file
ATParser/BufferedSpi/BufferedSpi.cpp Show diff for this revision Revisions of this file
ATParser/BufferedSpi/BufferedSpi.h Show diff for this revision Revisions of this file
diff -r 62e55edab701 -r 32ac89dcd434 ATParser/ATParser.cpp
--- a/ATParser/ATParser.cpp	Wed Oct 03 14:03:01 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,454 +0,0 @@
-/* Copyright (c) 2015 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.
- *
- * @section DESCRIPTION
- *
- * Parser for the AT command syntax
- *
- */
-
-#include "ATParser.h"
-#include "mbed_debug.h"
-
-#ifdef LF
-#undef LF
-#define LF  10
-#else
-#define LF  10
-#endif
-
-#ifdef CR
-#undef CR
-#define CR  13
-#else
-#define CR  13
-#endif
-#define MIN(a,b) (((a)<(b))?(a):(b))
-
-// activate / de-activate debug
-#define dbg_on           0
-#define AT_DATA_PRINT    0
-#define AT_COMMAND_PRINT 0
-#define AT_HEXA_DATA     0
-
-ATParser::ATParser(BufferedSpi &serial_spi, const char *delimiter, int buffer_size, int timeout) :
-    _serial_spi(&serial_spi),
-    _buffer_size(buffer_size), _in_prev(0), _oobs(NULL)
-{
-    _buffer = new char[buffer_size];
-    setTimeout(timeout);
-    setDelimiter(delimiter);
-}
-
-
-// getc/putc handling with timeouts
-int ATParser::putc(char c)
-{
-    return _serial_spi->putc(c);
-}
-
-int ATParser::getc()
-{
-    return _serial_spi->getc();
-}
-
-void ATParser::flush()
-{
-    _bufferMutex.lock();
-    while (_serial_spi->readable()) {
-        _serial_spi->getc();
-    }
-    _bufferMutex.unlock();
-}
-
-// read/write handling with timeouts
-int ATParser::write(const char *data, int size_of_data, int size_in_buff)
-{
-    int i = 0;
-    _bufferMutex.lock();
-    debug_if(dbg_on, "ATParser write: %d BYTES\r\n", size_of_data);
-    debug_if(AT_DATA_PRINT, "ATParser write: (ASCII) ", size_of_data);
-    for (; i < size_of_data; i++) {
-        debug_if(AT_DATA_PRINT, "%c", data[i]);
-        if (putc(data[i]) < 0) {
-            debug_if(AT_DATA_PRINT, "\r\n");
-            _bufferMutex.unlock();
-            return -1;
-        }
-    }
-    debug_if(AT_DATA_PRINT, "\r\n");
-
-    _serial_spi->buffsend(size_of_data + size_in_buff);
-    _bufferMutex.unlock();
-
-    return (size_of_data + size_in_buff);
-}
-
-int ATParser::read(char *data)
-{
-    int readsize;
-    int i = 0;
-
-    _bufferMutex.lock();
-
-    //this->flush();
-    if (!_serial_spi->readable()) {
-        readsize = _serial_spi->read();
-    } else {
-        debug_if(dbg_on, "Pending data when reading from WIFI\r\n");
-        return -1;
-    }
-
-    debug_if(dbg_on, "ATParser read: %d data avail in SPI\r\n", readsize);
-
-    if (readsize < 0) {
-        _bufferMutex.unlock();
-        return -1;
-    }
-
-    for (i = 0 ; i < readsize; i++) {
-        int c = getc();
-        if (c < 0) {
-            _bufferMutex.unlock();
-            return -1;
-        }
-        data[i] = c;
-    }
-
-#if AT_HEXA_DATA
-    debug_if(AT_DATA_PRINT, "ATParser read: (HEXA) ");
-    for (i = 0; i < readsize; i++) {
-        debug_if(AT_DATA_PRINT, "%2X ", data[i]);
-        if ((i + 1) % 20 == 0) {
-            debug_if(AT_DATA_PRINT, "\r\n");
-        }
-    }
-    debug_if(AT_DATA_PRINT, "\r\n");
-#endif
-    debug_if(AT_DATA_PRINT, "ATParser read: (ASCII) ");
-    for (i = 0; i < readsize; i++) {
-        debug_if(AT_DATA_PRINT, "%c", data[i]);
-    }
-    debug_if(AT_DATA_PRINT, "\r\n");
-
-    _bufferMutex.unlock();
-
-    return (readsize);
-}
-
-// printf/scanf handling
-int ATParser::vprintf(const char *format, va_list args)
-{
-    _bufferMutex.lock();
-    if (vsprintf(_buffer, format, args) < 0) {
-        _bufferMutex.unlock();
-        return false;
-    }
-
-    int i = 0;
-    for (; _buffer[i]; i++) {
-        if (putc(_buffer[i]) < 0) {
-            _bufferMutex.unlock();
-            return -1;
-        }
-    }
-    _bufferMutex.unlock();
-
-    return i;
-}
-
-int ATParser::vscanf(const char *format, va_list args)
-{
-    // Since format is const, we need to copy it into our buffer to
-    // add the line's null terminator and clobber value-matches with asterisks.
-    //
-    // We just use the beginning of the buffer to avoid unnecessary allocations.
-    int i = 0;
-    int offset = 0;
-
-    _bufferMutex.lock();
-
-    while (format[i]) {
-        if (format[i] == '%' && format[i + 1] != '%' && format[i + 1] != '*') {
-            _buffer[offset++] = '%';
-            _buffer[offset++] = '*';
-            i++;
-        } else {
-            _buffer[offset++] = format[i++];
-        }
-    }
-
-    // Scanf has very poor support for catching errors
-    // fortunately, we can abuse the %n specifier to determine
-    // if the entire string was matched.
-    _buffer[offset++] = '%';
-    _buffer[offset++] = 'n';
-    _buffer[offset++] = 0;
-
-    // To workaround scanf's lack of error reporting, we actually
-    // make two passes. One checks the validity with the modified
-    // format string that only stores the matched characters (%n).
-    // The other reads in the actual matched values.
-    //
-    // We keep trying the match until we succeed or some other error
-    // derails us.
-    int j = 0;
-
-    while (true) {
-        // Ran out of space
-        if (j + 1 >= _buffer_size - offset) {
-            _bufferMutex.unlock();
-            return false;
-        }
-        // Recieve next character
-        int c = getc();
-        if (c < 0) {
-            _bufferMutex.unlock();
-            return -1;
-        }
-        _buffer[offset + j++] = c;
-        _buffer[offset + j] = 0;
-
-        // Check for match
-        int count = -1;
-        sscanf(_buffer + offset, _buffer, &count);
-
-        // We only succeed if all characters in the response are matched
-        if (count == j) {
-            // Store the found results
-            vsscanf(_buffer + offset, format, args);
-            _bufferMutex.unlock();
-            return j;
-        }
-    }
-}
-
-
-// Command parsing with line handling
-bool ATParser::vsend(const char *command, va_list args)
-{
-    int i = 0, j = 0;
-    _bufferMutex.lock();
-    // Create and send command
-    if (vsprintf(_buffer, command, args) < 0) {
-        _bufferMutex.unlock();
-        return false;
-    }
-    /* get buffer length */
-    for (i = 0; _buffer[i]; i++) {
-    }
-
-    for (j = 0; _delimiter[j]; j++) {
-        _buffer[i + j] = _delimiter[j];
-    }
-    _buffer[i + j] = 0; // only to get a clean debug log
-
-    bool ret = !(_serial_spi->buffwrite(_buffer, i + j) < 0);
-
-    debug_if(AT_COMMAND_PRINT, "AT> %s\n", _buffer);
-    _bufferMutex.unlock();
-    return ret;
-}
-
-bool ATParser::vrecv(const char *response, va_list args)
-{
-    _bufferMutex.lock();
-
-    if (!_serial_spi->readable()) {
-        // debug_if(dbg_on, "NO DATA, read again\r\n");
-        if (_serial_spi->read() < 0) {
-            return false;
-        }
-    }
-    // else {
-    //      debug_if(dbg_on, "Pending data\r\n");
-    // }
-
-restart:
-    _aborted = false;
-    // Iterate through each line in the expected response
-    while (response[0]) {
-        // Since response is const, we need to copy it into our buffer to
-        // add the line's null terminator and clobber value-matches with asterisks.
-        //
-        // We just use the beginning of the buffer to avoid unnecessary allocations.
-        int i = 0;
-        int offset = 0;
-        bool whole_line_wanted = false;
-
-        while (response[i]) {
-            if (response[i] == '%' && response[i + 1] != '%' && response[i + 1] != '*') {
-                _buffer[offset++] = '%';
-                _buffer[offset++] = '*';
-                i++;
-            } else {
-                _buffer[offset++] = response[i++];
-                // Find linebreaks, taking care not to be fooled if they're in a %[^\n] conversion specification
-                if (response[i - 1] == '\n' && !(i >= 3 && response[i - 3] == '[' && response[i - 2] == '^')) {
-                    whole_line_wanted = true;
-                    break;
-                }
-            }
-        }
-
-        // Scanf has very poor support for catching errors
-        // fortunately, we can abuse the %n specifier to determine
-        // if the entire string was matched.
-        _buffer[offset++] = '%';
-        _buffer[offset++] = 'n';
-        _buffer[offset++] = 0;
-
-        // debug_if(dbg_on, "ATParser vrecv: AT? ====%s====\n", _buffer);
-        // To workaround scanf's lack of error reporting, we actually
-        // make two passes. One checks the validity with the modified
-        // format string that only stores the matched characters (%n).
-        // The other reads in the actual matched values.
-        //
-        // We keep trying the match until we succeed or some other error
-        // derails us.
-        int j = 0;
-
-        while (true) {
-            // Recieve next character
-            int c = getc();
-            if (c < 0) {
-                debug_if(dbg_on, "AT(Timeout)\n");
-                _bufferMutex.unlock();
-                return false;
-            }
-
-            // debug_if(AT_DATA_PRINT, "%2X ", c);
-
-            _buffer[offset + j++] = c;
-            _buffer[offset + j] = 0;
-
-            // Check for oob data
-            for (struct oob *oob = _oobs; oob; oob = oob->next) {
-                if ((unsigned)j == oob->len && memcmp(
-                            oob->prefix, _buffer + offset, oob->len) == 0) {
-                    debug_if(dbg_on, "AT! %s\n", oob->prefix);
-                    oob->cb();
-
-                    if (_aborted) {
-                        debug_if(dbg_on, "AT(Aborted)\n");
-                        _bufferMutex.unlock();
-                        return false;
-                    }
-                    // oob may have corrupted non-reentrant buffer,
-                    // so we need to set it up again
-                    goto restart;
-                }
-            }
-
-            // Check for match
-            int count = -1;
-            if (whole_line_wanted && c != '\n') {
-                // Don't attempt scanning until we get delimiter if they included it in format
-                // This allows recv("Foo: %s\n") to work, and not match with just the first character of a string
-                // (scanf does not itself match whitespace in its format string, so \n is not significant to it)
-            } else {
-                sscanf(_buffer + offset, _buffer, &count);
-            }
-
-            // We only succeed if all characters in the response are matched
-            if (count == j) {
-                debug_if(AT_COMMAND_PRINT, "AT= ====%s====\n", _buffer + offset);
-                // Reuse the front end of the buffer
-                memcpy(_buffer, response, i);
-                _buffer[i] = 0;
-
-                // Store the found results
-                vsscanf(_buffer + offset, _buffer, args);
-
-                // Jump to next line and continue parsing
-                response += i;
-                break;
-            }
-
-            // Clear the buffer when we hit a newline or ran out of space
-            // running out of space usually means we ran into binary data
-            if ((c == '\n')) {
-                // debug_if(dbg_on, "New line AT<<< %s", _buffer+offset);
-                j = 0;
-            }
-            if ((j + 1 >= (_buffer_size - offset))) {
-
-                debug_if(dbg_on, "Out of space AT<<< %s, j=%d", _buffer + offset, j);
-                j = 0;
-            }
-        }
-    }
-
-    _bufferMutex.unlock();
-
-    return true;
-}
-
-
-// Mapping to vararg functions
-int ATParser::printf(const char *format, ...)
-{
-    va_list args;
-    va_start(args, format);
-    int res = vprintf(format, args);
-    va_end(args);
-    return res;
-}
-
-int ATParser::scanf(const char *format, ...)
-{
-    va_list args;
-    va_start(args, format);
-    int res = vscanf(format, args);
-    va_end(args);
-    return res;
-}
-
-bool ATParser::send(const char *command, ...)
-{
-    va_list args;
-    va_start(args, command);
-    bool res = vsend(command, args);
-    va_end(args);
-    return res;
-}
-
-bool ATParser::recv(const char *response, ...)
-{
-    va_list args;
-    va_start(args, response);
-    bool res = vrecv(response, args);
-    va_end(args);
-    return res;
-}
-
-
-// oob registration
-void ATParser::oob(const char *prefix, Callback<void()> cb)
-{
-    struct oob *oob = new struct oob;
-    oob->len = strlen(prefix);
-    oob->prefix = prefix;
-    oob->cb = cb;
-    oob->next = _oobs;
-    _oobs = oob;
-}
-
-void ATParser::abort()
-{
-    _aborted = true;
-}
-
-
-
diff -r 62e55edab701 -r 32ac89dcd434 ATParser/ATParser.h
--- a/ATParser/ATParser.h	Wed Oct 03 14:03:01 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,246 +0,0 @@
-/* Copyright (c) 2015 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.
- *
- * @section DESCRIPTION
- *
- * Parser for the AT command syntax
- *
- */
-#ifndef AT_PARSER_H
-#define AT_PARSER_H
-
-#include "mbed.h"
-#include <cstdarg>
-#include <vector>
-#include "BufferedSpi.h"
-#include "Callback.h"
-
-#define DEFAULT_SPI_TIMEOUT 60000 /* 1 minute */
-
-/**
-* Parser class for parsing AT commands
-*
-* Here are some examples:
-* @code
-* ATParser at = ATParser(serial, "\r\n");
-* int value;
-* char buffer[100];
-*
-* at.send("AT") && at.recv("OK");
-* at.send("AT+CWMODE=%d", 3) && at.recv("OK");
-* at.send("AT+CWMODE?") && at.recv("+CWMODE:%d\r\nOK", &value);
-* at.recv("+IPD,%d:", &value);
-* at.read(buffer, value);
-* at.recv("OK");
-* @endcode
-*/
-class ATParser {
-private:
-    // Serial information
-    BufferedSpi *_serial_spi;
-    int _buffer_size;
-    char *_buffer;
-    Mutex _bufferMutex;
-
-    // Parsing information
-    const char *_delimiter;
-    int _delim_size;
-    char _in_prev;
-    volatile bool _aborted;
-
-    struct oob {
-        unsigned len;
-        const char *prefix;
-        mbed::Callback<void()> cb;
-        oob *next;
-    };
-    oob *_oobs;
-
-public:
-    /**
-    * Constructor
-    *
-    * @param serial spi interface to use for AT commands
-    * @param buffer_size size of internal buffer for transaction
-    * @param timeout timeout of the connection
-    * @param delimiter string of characters to use as line delimiters
-    */
-    ATParser(BufferedSpi &serial_spi, const char *delimiter = "\r\n", int buffer_size = 1440, int timeout = DEFAULT_SPI_TIMEOUT);
-
-    /**
-    * Destructor
-    */
-    ~ATParser()
-    {
-        while (_oobs) {
-            struct oob *oob = _oobs;
-            _oobs = oob->next;
-            delete oob;
-        }
-        delete[] _buffer;
-    }
-
-    /**
-    * Allows timeout to be changed between commands
-    *
-    * @param timeout timeout of the connection
-    */
-    void setTimeout(int timeout)
-    {
-        _serial_spi->setTimeout(timeout);
-    }
-
-    /**
-    * Sets string of characters to use as line delimiters
-    *
-    * @param delimiter string of characters to use as line delimiters
-    */
-    void setDelimiter(const char *delimiter)
-    {
-        _delimiter = delimiter;
-        _delim_size = strlen(delimiter);
-    }
-
-    /**
-     * Sends an AT command
-     *
-     * Sends a formatted command using printf style formatting
-     * @see printf
-     *
-     * @param command printf-like format string of command to send which
-     *                is appended with a newline
-     * @param ... all printf-like arguments to insert into command
-     * @return true only if command is successfully sent
-     */
-    bool send(const char *command, ...);
-
-    bool vsend(const char *command, va_list args);
-
-    /**
-     * Receive an AT response
-     *
-     * Receives a formatted response using scanf style formatting
-     * @see scanf
-     *
-     * Responses are parsed line at a time.
-     * Any received data that does not match the response is ignored until
-     * a timeout occurs.
-     *
-     * @param response scanf-like format string of response to expect
-     * @param ... all scanf-like arguments to extract from response
-     * @return true only if response is successfully matched
-     */
-    bool recv(const char *response, ...);
-    bool vrecv(const char *response, va_list args);
-
-
-    /**
-     * Write a single byte to the underlying stream
-     *
-     * @param c The byte to write
-     * @return The byte that was written or -1 during a timeout
-     */
-    int putc(char c);
-
-    /**
-     * Get a single byte from the underlying stream
-     *
-     * @return The byte that was read or -1 during a timeout
-     */
-    int getc();
-
-    /**
-     * Write an array of bytes to the underlying stream
-     * assuming the header of the command is already in _txbuffer
-     *
-     * @param data the array of bytes to write
-     * @param size_of_data number of bytes in data array
-     * @param size_in_buff number of bytes already in the internal buff
-     * @return number of bytes written or -1 on failure
-     */
-    int write(const char *data, int size_of_data, int size_in_buff);
-
-    /**
-     * Read an array of bytes from the underlying stream
-     *
-     * @param data the destination for the read bytes
-     * @param size number of bytes to read
-     * @return number of bytes read or -1 on failure
-     */
-    int read(char *data);
-
-    /**
-     * Direct printf to underlying stream
-     * @see printf
-     *
-     * @param format format string to pass to printf
-     * @param ... arguments to printf
-     * @return number of bytes written or -1 on failure
-     */
-    int printf(const char *format, ...);
-    int vprintf(const char *format, va_list args);
-
-    /**
-    * Direct scanf on underlying stream
-    * @see ::scanf
-    *
-    * @param format format string to pass to scanf
-    * @param ... arguments to scanf
-    * @return number of bytes read or -1 on failure
-    */
-    int scanf(const char *format, ...);
-
-    int vscanf(const char *format, va_list args);
-
-    /**
-     * Attach a callback for out-of-band data
-     *
-     * @param prefix string on when to initiate callback
-     * @param func callback to call when string is read
-     * @note out-of-band data is only processed during a scanf call
-     */
-    void oob(const char *prefix, mbed::Callback<void()> func);
-
-    /**
-     * Flushes the underlying stream
-     */
-    void flush();
-
-    /**
-     * Abort current recv
-     *
-     * Can be called from oob handler to interrupt the current
-     * recv operation.
-     */
-    void abort();
-
-    /**
-    * Process out-of-band data
-    *
-    * Process out-of-band data in the receive buffer. This function
-    * returns immediately if there is no data to process.
-    *
-    * @return true if oob data processed, false otherwise
-    */
-    bool process_oob(void);
-    /**
-    * Get buffer_size
-    */
-    int get_size(void)
-    {
-        return _buffer_size;
-    }
-
-};
-#endif
diff -r 62e55edab701 -r 32ac89dcd434 ATParser/BufferedSpi/Buffer/MyBuffer.cpp
--- a/ATParser/BufferedSpi/Buffer/MyBuffer.cpp	Wed Oct 03 14:03:01 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,86 +0,0 @@
-
-/**
- * @file    Buffer.cpp
- * @brief   Software Buffer - Templated Ring Buffer for most data types
- * @author  sam grove
- * @version 1.0
- * @see
- *
- * Copyright (c) 2013
- *
- * 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.
- */
-
-#include "MyBuffer.h"
-
-template <class T>
-MyBuffer<T>::MyBuffer(uint32_t size)
-{
-    _buf = new T [size];
-    _size = size;
-    clear();
-
-    return;
-}
-
-template <class T>
-MyBuffer<T>::~MyBuffer()
-{
-    delete [] _buf;
-
-    return;
-}
-
-template <class T>
-uint32_t MyBuffer<T>::getSize()
-{
-    return this->_size;
-}
-
-template <class T>
-uint32_t MyBuffer<T>::getNbAvailable()
-{
-    if (_wloc >= _rloc) {
-        return (_wloc - _rloc);
-    } else {
-        return (_size - _rloc + _wloc);
-    }
-}
-
-template <class T>
-void MyBuffer<T>::clear(void)
-{
-    _wloc = 0;
-    _rloc = 0;
-    memset(_buf, 0, _size);
-
-    return;
-}
-
-template <class T>
-uint32_t MyBuffer<T>::peek(char c)
-{
-    return 1;
-}
-
-// make the linker aware of some possible types
-template class MyBuffer<uint8_t>;
-template class MyBuffer<int8_t>;
-template class MyBuffer<uint16_t>;
-template class MyBuffer<int16_t>;
-template class MyBuffer<uint32_t>;
-template class MyBuffer<int32_t>;
-template class MyBuffer<uint64_t>;
-template class MyBuffer<int64_t>;
-template class MyBuffer<char>;
-template class MyBuffer<wchar_t>;
diff -r 62e55edab701 -r 32ac89dcd434 ATParser/BufferedSpi/Buffer/MyBuffer.h
--- a/ATParser/BufferedSpi/Buffer/MyBuffer.h	Wed Oct 03 14:03:01 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,164 +0,0 @@
-
-/**
- * @file    Buffer.h
- * @brief   Software Buffer - Templated Ring Buffer for most data types
- * @author  sam grove
- * @version 1.0
- * @see
- *
- * Copyright (c) 2013
- *
- * 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 MYBUFFER_H
-#define MYBUFFER_H
-
-#include <stdint.h>
-#include <string.h>
-
-/** A templated software ring buffer
- *
- * Example:
- * @code
- *  #include "mbed.h"
- *  #include "MyBuffer.h"
- *
- *  MyBuffer <char> buf;
- *
- *  int main()
- *  {
- *      buf = 'a';
- *      buf.put('b');
- *      char *head = buf.head();
- *      puts(head);
- *
- *      char whats_in_there[2] = {0};
- *      int pos = 0;
- *
- *      while(buf.available())
- *      {
- *          whats_in_there[pos++] = buf;
- *      }
- *      printf("%c %c\n", whats_in_there[0], whats_in_there[1]);
- *      buf.clear();
- *      error("done\n\n\n");
- *  }
- * @endcode
- */
-
-template <typename T>
-class MyBuffer {
-private:
-    T   *_buf;
-    volatile uint32_t   _wloc;
-    volatile uint32_t   _rloc;
-    uint32_t            _size;
-
-public:
-    /** Create a Buffer and allocate memory for it
-     *  @param size The size of the buffer
-     */
-    MyBuffer(uint32_t size = 0x100);
-
-    /** Get the size of the ring buffer
-     * @return the size of the ring buffer
-     */
-    uint32_t getSize();
-    uint32_t getNbAvailable();
-
-    /** Destry a Buffer and release it's allocated memory
-     */
-    ~MyBuffer();
-
-    /** Add a data element into the buffer
-     *  @param data Something to add to the buffer
-     */
-    void put(T data);
-
-    /** Remove a data element from the buffer
-     *  @return Pull the oldest element from the buffer
-     */
-    T get(void);
-
-    /** Get the address to the head of the buffer
-     *  @return The address of element 0 in the buffer
-     */
-    T *head(void);
-
-    /** Reset the buffer to 0. Useful if using head() to parse packeted data
-     */
-    void clear(void);
-
-    /** Determine if anything is readable in the buffer
-     *  @return 1 if something can be read, 0 otherwise
-     */
-    uint32_t available(void);
-
-    /** Overloaded operator for writing to the buffer
-     *  @param data Something to put in the buffer
-     *  @return
-     */
-    MyBuffer &operator= (T data)
-    {
-        put(data);
-        return *this;
-    }
-
-    /** Overloaded operator for reading from the buffer
-     *  @return Pull the oldest element from the buffer
-     */
-    operator int(void)
-    {
-        return get();
-    }
-
-    uint32_t peek(char c);
-
-};
-
-template <class T>
-inline void MyBuffer<T>::put(T data)
-{
-    _buf[_wloc++] = data;
-    _wloc %= (_size - 1);
-
-    return;
-}
-
-template <class T>
-inline T MyBuffer<T>::get(void)
-{
-    T data_pos = _buf[_rloc++];
-    _rloc %= (_size - 1);
-
-    return data_pos;
-}
-
-template <class T>
-inline T *MyBuffer<T>::head(void)
-{
-    T *data_pos = &_buf[0];
-
-    return data_pos;
-}
-
-template <class T>
-inline uint32_t MyBuffer<T>::available(void)
-{
-    return (_wloc == _rloc) ? 0 : 1;
-    //return 1;
-}
-
-#endif
-
diff -r 62e55edab701 -r 32ac89dcd434 ATParser/BufferedSpi/BufferedPrint.c
--- a/ATParser/BufferedSpi/BufferedPrint.c	Wed Oct 03 14:03:01 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
- * SPDX-License-Identifier: Apache-2.0
- * 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.
- */
-
-#include <stdarg.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "mbed_error.h"
-
-size_t BufferedSpiThunk(void *buf_serial, const void *s, size_t length);
-
-int BufferedPrintfC(void *stream, int size, const char* format, va_list arg)
-{
-    int r;
-    char buffer[512];
-    if (size >= 512) {
-        return -1;
-    }
-    memset(buffer, 0, size);
-    r = vsprintf(buffer, format, arg);
-    // this may not hit the heap but should alert the user anyways
-    if(r > (int32_t) size) {
-        error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__, size, r);
-        return 0;
-    }
-    if ( r > 0 ) {
-        BufferedSpiThunk(stream, buffer, r);
-    }
-    return r;
-}
diff -r 62e55edab701 -r 32ac89dcd434 ATParser/BufferedSpi/BufferedSpi.cpp
--- a/ATParser/BufferedSpi/BufferedSpi.cpp	Wed Oct 03 14:03:01 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,333 +0,0 @@
-/**
- * @file    BufferedSpi.cpp
- * @brief   Software Buffer - Extends mbed SPI functionallity
- * @author  Armelle Duboc
- * @version 1.0
- * @see
- *
- * Copyright (c) STMicroelectronics 2017
- *
- * 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.
- */
-
-#include "BufferedSpi.h"
-#include <stdarg.h>
-#include "mbed_debug.h"
-#include "mbed_error.h"
-
-// change to true to add few SPI debug lines
-#define local_debug false
-
-extern "C" int BufferedPrintfC(void *stream, int size, const char *format, va_list arg);
-
-void BufferedSpi::DatareadyRising(void)
-{
-    if (_cmddata_rdy_rising_event == 1) {
-        _cmddata_rdy_rising_event = 0;
-    }
-}
-
-int BufferedSpi::wait_cmddata_rdy_high(void)
-{
-    Timer timer;
-    timer.start();
-
-    /* wait for dataready = 1 */
-    while (dataready.read() == 0) {
-        if (timer.read_ms() > _timeout) {
-            debug_if(local_debug, "ERROR: SPI write timeout\r\n");
-            return -1;
-        }
-    }
-
-    _cmddata_rdy_rising_event = 1;
-
-    return 0;
-}
-
-int BufferedSpi::wait_cmddata_rdy_rising_event(void)
-{
-    Timer timer;
-    timer.start();
-
-    while (_cmddata_rdy_rising_event == 1) {
-        if (timer.read_ms() > _timeout) {
-            _cmddata_rdy_rising_event = 0;
-            if (dataready.read() == 1) {
-                debug_if(local_debug, "ERROR: We missed rising event !! (timemout=%d)\r\n", _timeout);
-            }
-            debug_if(local_debug, "ERROR: SPI read timeout\r\n");
-            return -1;
-        }
-    }
-
-    return 0;
-}
-
-BufferedSpi::BufferedSpi(PinName mosi, PinName miso, PinName sclk, PinName _nss, PinName _datareadypin,
-                         uint32_t buf_size, uint32_t tx_multiple, const char *name)
-    : SPI(mosi, miso, sclk, NC), nss(_nss),  _txbuf((uint32_t)(tx_multiple * buf_size)), _rxbuf(buf_size), dataready(_datareadypin)
-{
-    this->_buf_size = buf_size;
-    this->_tx_multiple = tx_multiple;
-    this->_sigio_event = 0;
-
-    _datareadyInt = new InterruptIn(_datareadypin);
-    _datareadyInt->rise(callback(this, &BufferedSpi::DatareadyRising));
-
-    _cmddata_rdy_rising_event = 1;
-
-    return;
-}
-
-BufferedSpi::~BufferedSpi(void)
-{
-
-    return;
-}
-
-void BufferedSpi::frequency(int hz)
-{
-    SPI::frequency(hz);
-}
-
-void BufferedSpi::format(int bits, int mode)
-{
-    SPI::format(bits, mode);
-}
-
-void BufferedSpi::disable_nss()
-{
-    nss = 1;
-    wait_us(15);
-}
-
-void BufferedSpi::enable_nss()
-{
-    nss = 0;
-    wait_us(15);
-}
-
-int BufferedSpi::readable(void)
-{
-    return _rxbuf.available();  // note: look if things are in the buffer
-}
-
-int BufferedSpi::writeable(void)
-{
-    return 1;   // buffer allows overwriting by design, always true
-}
-
-int BufferedSpi::getc(void)
-{
-    if (_rxbuf.available()) {
-        return _rxbuf;
-    } else {
-        return -1;
-    }
-}
-
-int BufferedSpi::putc(int c)
-{
-    _txbuf = (char)c;
-
-    return c;
-}
-
-void BufferedSpi::flush_txbuf(void)
-{
-    _txbuf.clear();
-}
-
-int BufferedSpi::puts(const char *s)
-{
-    if (s != NULL) {
-        const char *ptr = s;
-
-        while (*(ptr) != 0) {
-            _txbuf = *(ptr++);
-        }
-        _txbuf = '\n';  // done per puts definition
-        BufferedSpi::txIrq();                // only write to hardware in one place
-        return (ptr - s) + 1;
-    }
-    return 0;
-}
-
-extern "C" size_t BufferedSpiThunk(void *buf_spi, const void *s, size_t length)
-{
-    BufferedSpi *buffered_spi = (BufferedSpi *)buf_spi;
-    return buffered_spi->buffwrite(s, length);
-}
-
-int BufferedSpi::printf(const char *format, ...)
-{
-    va_list arg;
-    va_start(arg, format);
-    int r = BufferedPrintfC((void *)this, this->_buf_size, format, arg);
-    va_end(arg);
-    return r;
-}
-
-ssize_t BufferedSpi::buffwrite(const void *s, size_t length)
-{
-    /* flush buffer from previous message */
-    this->flush_txbuf();
-
-    if (wait_cmddata_rdy_high() < 0) {
-        debug_if(local_debug, "BufferedSpi::buffwrite timeout (%d)\r\n", _timeout);
-        return -1;
-    }
-
-    this->enable_nss();
-
-    if (s != NULL && length > 0) {
-        /* 1st fill _txbuf */
-        const char *ptr = (const char *)s;
-        const char *end = ptr + length;
-
-        while (ptr != end) {
-            _txbuf = *(ptr++);
-        }
-        if (length & 1) { /* padding to send the last char */
-            _txbuf = '\n';
-            length++;
-        }
-
-        /* 2nd write in SPI */
-        BufferedSpi::txIrq();                // only write to hardware in one place
-
-        this->disable_nss();
-        return ptr - (const char *)s;
-    }
-    this->disable_nss();
-
-    return 0;
-}
-
-ssize_t BufferedSpi::buffsend(size_t length)
-{
-    /* wait for dataready = 1 */
-    if (wait_cmddata_rdy_high() < 0) {
-        debug_if(local_debug, "BufferedSpi::buffsend timeout (%d)\r\n", _timeout);
-        return -1;
-    }
-
-    this->enable_nss();
-
-    /* _txbuffer is already filled with data to send */
-    /* check if _txbuffer needs padding to send the last char */
-    if (length & 1) {
-        _txbuf = '\n';
-        length++;
-    }
-    BufferedSpi::txIrq();                // only write to hardware in one place
-
-    this->disable_nss();
-
-    return length;
-}
-
-ssize_t BufferedSpi::read()
-{
-    return this->read(0);
-}
-
-ssize_t BufferedSpi::read(uint32_t max)
-{
-    uint32_t len = 0;
-    uint8_t FirstRemoved = 1;
-    int tmp;
-
-    disable_nss();
-
-    /* wait for data ready is up */
-    if (wait_cmddata_rdy_rising_event() != 0) {
-        debug_if(local_debug, "BufferedSpi::read timeout (%d)\r\n", _timeout);
-        return -1;
-    }
-
-    enable_nss();
-    while (dataready.read() == 1 && (len < (_buf_size - 2))) {
-        tmp = SPI::write(0xAA);  // dummy write to receive 2 bytes
-
-        if (!((len == 0) && (tmp == 0x0A0D) && (FirstRemoved))) {
-            /* do not take into account the 2 firts \r \n char in the buffer */
-            if ((max == 0) || (len < max)) {
-                _rxbuf = (char)(tmp & 0x00FF);
-                _rxbuf = (char)((tmp >> 8) & 0xFF);
-                len += 2;
-            }
-        } else {
-            FirstRemoved = 0;
-        }
-    }
-    disable_nss();
-
-    if (len >= _buf_size) {
-        debug_if(local_debug, "firmware ERROR ES_WIFI_ERROR_STUFFING_FOREVER\r\n");
-        return -1;
-    }
-
-    debug_if(local_debug, "SPI READ %d BYTES\r\n", len);
-
-    return len;
-}
-
-void BufferedSpi::txIrq(void)
-{
-    /* write everything available in the _txbuffer */
-    int value = 0;
-    int dbg_cnt = 0;
-    while (_txbuf.available() && (_txbuf.getNbAvailable() > 0)) {
-        value = _txbuf.get();
-        if (_txbuf.available() && ((_txbuf.getNbAvailable() % 2) != 0)) {
-            value |= ((_txbuf.get() << 8) & 0XFF00);
-            SPI::write(value);
-            dbg_cnt++;
-        }
-    }
-    debug_if(local_debug, "SPI Sent %d BYTES\r\n", 2 * dbg_cnt);
-    // disable the TX interrupt when there is nothing left to send
-    BufferedSpi::attach(NULL, BufferedSpi::TxIrq);
-    // trigger callback if necessary
-    if (_cbs[TxIrq]) {
-        _cbs[TxIrq]();
-    }
-    return;
-}
-
-void BufferedSpi::prime(void)
-{
-    BufferedSpi::txIrq();                // only write to hardware in one place
-    return;
-}
-
-void BufferedSpi::attach(Callback<void()> func, IrqType type)
-{
-    _cbs[type] = func;
-}
-
-void BufferedSpi::sigio(Callback<void()> func)
-{
-    core_util_critical_section_enter();
-    _sigio_cb = func;
-    if (_sigio_cb) {
-        if (_sigio_event == 1) {
-            _sigio_cb();
-            _sigio_event = 0;
-        }
-    }
-    core_util_critical_section_exit();
-}
-
diff -r 62e55edab701 -r 32ac89dcd434 ATParser/BufferedSpi/BufferedSpi.h
--- a/ATParser/BufferedSpi/BufferedSpi.h	Wed Oct 03 14:03:01 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,234 +0,0 @@
-
-/**
- * @file    BufferedSpi.h
- * @brief   Software Buffer - Extends mbed SPI functionallity
- * @author  Armelle Duboc
- * @version 1.0
- * @see
- *
- * Copyright (c) STMicroelectronics 2017
- *
- * 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 BUFFEREDSPI_H
-#define BUFFEREDSPI_H
-
-#include "mbed.h"
-#include "MyBuffer.h"
-
-/** A spi port (SPI) for communication with wifi device
- *
- * Can be used for Full Duplex communication, or Simplex by specifying
- * one pin as NC (Not Connected)
- *
- * Example:
- * @code
- *  #include "mbed.h"
- *  #include "BufferedSerial.h"
- *
- *  BufferedSerial pc(USBTX, USBRX);
- *
- *  int main()
- *  {
- *      while(1)
- *      {
- *          Timer s;
- *
- *          s.start();
- *          pc.printf("Hello World - buffered\n");
- *          int buffered_time = s.read_us();
- *          wait(0.1f); // give time for the buffer to empty
- *
- *          s.reset();
- *          printf("Hello World - blocking\n");
- *          int polled_time = s.read_us();
- *          s.stop();
- *          wait(0.1f); // give time for the buffer to empty
- *
- *          pc.printf("printf buffered took %d us\n", buffered_time);
- *          pc.printf("printf blocking took %d us\n", polled_time);
- *          wait(0.5f);
- *      }
- *  }
- * @endcode
- */
-
-/**
- *  @class BufferedSpi
- *  @brief Software buffers and interrupt driven tx and rx for Serial
- */
-class BufferedSpi : public SPI {
-private:
-    DigitalOut    nss;
-    MyBuffer <char> _txbuf;
-    uint32_t      _buf_size;
-    uint32_t      _tx_multiple;
-    volatile int _timeout;
-    void txIrq(void);
-    void prime(void);
-
-    InterruptIn *_datareadyInt;
-    volatile int _cmddata_rdy_rising_event;
-    void DatareadyRising(void);
-    int wait_cmddata_rdy_rising_event(void);
-    int wait_cmddata_rdy_high(void);
-
-
-    Callback<void()> _cbs[2];
-
-    Callback<void()> _sigio_cb;
-    uint8_t          _sigio_event;
-
-public:
-    MyBuffer <char> _rxbuf;
-    DigitalIn dataready;
-    enum IrqType {
-        RxIrq = 0,
-        TxIrq,
-
-        IrqCnt
-    };
-
-    /** Create a BufferedSpi Port, connected to the specified transmit and receive pins
-     *  @param SPI mosi pin
-     *  @param SPI miso pin
-     *  @param SPI sclk pin
-     *  @param SPI nss pin
-     *  @param Dataready pin
-     *  @param buf_size printf() buffer size
-     *  @param tx_multiple amount of max printf() present in the internal ring buffer at one time
-     *  @param name optional name
-    */
-    BufferedSpi(PinName mosi, PinName miso, PinName sclk, PinName nss, PinName datareadypin, uint32_t buf_size = 2500, uint32_t tx_multiple = 1, const char *name = NULL);
-
-    /** Destroy a BufferedSpi Port
-     */
-    virtual ~BufferedSpi(void);
-
-    /** call to SPI frequency Function
-     */
-    virtual void frequency(int hz);
-
-    /** clear the transmit buffer
-     */
-    virtual void flush_txbuf(void);
-
-    /** call to SPI format function
-     */
-    virtual void format(int bits, int mode);
-
-    virtual void enable_nss(void);
-
-    virtual void disable_nss(void);
-
-    /** Check on how many bytes are in the rx buffer
-     *  @return 1 if something exists, 0 otherwise
-     */
-    virtual int readable(void);
-
-    /** Check to see if the tx buffer has room
-     *  @return 1 always has room and can overwrite previous content if too small / slow
-     */
-    virtual int writeable(void);
-
-    /** Get a single byte from the BufferedSpi Port.
-     *  Should check readable() before calling this.
-     *  @return A byte that came in on the SPI Port
-     */
-    virtual int getc(void);
-
-    /** Write a single byte to the BufferedSpi Port.
-     *  @param c The byte to write to the SPI Port
-     *  @return The byte that was written to the SPI Port Buffer
-     */
-    virtual int putc(int c);
-
-    /** Write a string to the BufferedSpi Port. Must be NULL terminated
-     *  @param s The string to write to the Spi Port
-     *  @return The number of bytes written to the Spi Port Buffer
-     */
-    virtual int puts(const char *s);
-
-    /** Write a formatted string to the BufferedSpi Port.
-     *  @param format The string + format specifiers to write to the Spi Port
-     *  @return The number of bytes written to the Spi Port Buffer
-     */
-    virtual int printf(const char *format, ...);
-
-    /** Write data to the Buffered Spi Port
-     *  @param s A pointer to data to send
-     *  @param length The amount of data being pointed to
-     *  @return The number of bytes written to the Spi Port Buffer
-     */
-    virtual ssize_t buffwrite(const void *s, std::size_t length);
-
-    /** Send datas to the Spi port that are already present
-     *  in the internal _txbuffer
-     *  @param length
-     *  @return the number of bytes written on the SPI port
-     */
-    virtual ssize_t buffsend(size_t length);
-
-    /** Read data from the Spi Port to the _rxbuf
-     *  @param max: optional. = max sieze of the input read
-     *  @return The number of bytes read from the SPI port and written to the _rxbuf
-     */
-    virtual ssize_t read();
-    virtual ssize_t read(uint32_t max);
-
-    /**
-    * Allows timeout to be changed between commands
-    *
-    * @param timeout timeout of the connection in ms
-    */
-    void setTimeout(int timeout)
-    {
-        /*  this is a safe guard timeout at SPI level in case module is stuck */
-        _timeout = timeout;
-    }
-
-    /** Register a callback once any data is ready for sockets
-     *  @param func     Function to call on state change
-     */
-    virtual void sigio(Callback<void()> func);
-
-    /** Attach a function to call whenever a serial interrupt is generated
-     *  @param func A pointer to a void function, or 0 to set as none
-     *  @param type Which serial interrupt to attach the member function to (Serial::RxIrq for receive, TxIrq for transmit buffer empty)
-     */
-    virtual void attach(Callback<void()> func, IrqType type = RxIrq);
-
-    /** Attach a member function to call whenever a serial interrupt is generated
-     *  @param obj pointer to the object to call the member function on
-     *  @param method pointer to the member function to call
-     *  @param type Which serial interrupt to attach the member function to (Serial::RxIrq for receive, TxIrq for transmit buffer empty)
-     */
-    template <typename T>
-    void attach(T *obj, void (T::*method)(), IrqType type = RxIrq)
-    {
-        attach(Callback<void()>(obj, method), type);
-    }
-
-    /** Attach a member function to call whenever a serial interrupt is generated
-     *  @param obj pointer to the object to call the member function on
-     *  @param method pointer to the member function to call
-     *  @param type Which serial interrupt to attach the member function to (Serial::RxIrq for receive, TxIrq for transmit buffer empty)
-     */
-    template <typename T>
-    void attach(T *obj, void (*method)(T *), IrqType type = RxIrq)
-    {
-        attach(Callback<void()>(obj, method), type);
-    }
-};
-#endif