Revision 0:7ea8f0d27a4f, committed 2015-11-27

Comitter:

jpnovak

Date:

Fri Nov 27 16:32:41 2015 +0000

Commit message:

test code megasquirt digole;

Changed in this revision

diff -r 000000000000 -r 7ea8f0d27a4f FATFileSystem.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FATFileSystem.lib	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_unsupported/code/FatFileSystem/#333d6e93e58f

diff -r 000000000000 -r 7ea8f0d27a4f LIS302.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LIS302.lib	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org
\ No newline at end of file

diff -r 000000000000 -r 7ea8f0d27a4f SDFileSystem.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.cpp	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,457 @@
+/* mbed SDFileSystem Library, for providing file access to SD cards
+ * Copyright (c) 2008-2010, sford
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/* Introduction
+ * ------------
+ * SD and MMC cards support a number of interfaces, but common to them all
+ * is one based on SPI. This is the one I'm implmenting because it means
+ * it is much more portable even though not so performant, and we already 
+ * have the mbed SPI Interface!
+ *
+ * The main reference I'm using is Chapter 7, "SPI Mode" of: 
+ *  http://www.sdcard.org/developers/tech/sdcard/pls/Simplified_Physical_Layer_Spec.pdf
+ *
+ * SPI Startup
+ * -----------
+ * The SD card powers up in SD mode. The SPI interface mode is selected by
+ * asserting CS low and sending the reset command (CMD0). The card will 
+ * respond with a (R1) response.
+ *
+ * CMD8 is optionally sent to determine the voltage range supported, and 
+ * indirectly determine whether it is a version 1.x SD/non-SD card or 
+ * version 2.x. I'll just ignore this for now.
+ *
+ * ACMD41 is repeatedly issued to initialise the card, until "in idle"
+ * (bit 0) of the R1 response goes to '0', indicating it is initialised.
+ *
+ * You should also indicate whether the host supports High Capicity cards,
+ * and check whether the card is high capacity - i'll also ignore this
+ *
+ * SPI Protocol
+ * ------------
+ * The SD SPI protocol is based on transactions made up of 8-bit words, with
+ * the host starting every bus transaction by asserting the CS signal low. The
+ * card always responds to commands, data blocks and errors.
+ * 
+ * The protocol supports a CRC, but by default it is off (except for the 
+ * first reset CMD0, where the CRC can just be pre-calculated, and CMD8)
+ * I'll leave the CRC off I think! 
+ * 
+ * Standard capacity cards have variable data block sizes, whereas High 
+ * Capacity cards fix the size of data block to 512 bytes. I'll therefore
+ * just always use the Standard Capacity cards with a block size of 512 bytes.
+ * This is set with CMD16.
+ *
+ * You can read and write single blocks (CMD17, CMD25) or multiple blocks 
+ * (CMD18, CMD25). For simplicity, I'll just use single block accesses. When
+ * the card gets a read command, it responds with a response token, and then 
+ * a data token or an error.
+ * 
+ * SPI Command Format
+ * ------------------
+ * Commands are 6-bytes long, containing the command, 32-bit argument, and CRC.
+ *
+ * +---------------+------------+------------+-----------+----------+--------------+
+ * | 01 | cmd[5:0] | arg[31:24] | arg[23:16] | arg[15:8] | arg[7:0] | crc[6:0] | 1 |
+ * +---------------+------------+------------+-----------+----------+--------------+
+ *
+ * As I'm not using CRC, I can fix that byte to what is needed for CMD0 (0x95)
+ *
+ * All Application Specific commands shall be preceded with APP_CMD (CMD55).
+ *
+ * SPI Response Format
+ * -------------------
+ * The main response format (R1) is a status byte (normally zero). Key flags:
+ *  idle - 1 if the card is in an idle state/initialising 
+ *  cmd  - 1 if an illegal command code was detected
+ *
+ *    +-------------------------------------------------+
+ * R1 | 0 | arg | addr | seq | crc | cmd | erase | idle |
+ *    +-------------------------------------------------+
+ *
+ * R1b is the same, except it is followed by a busy signal (zeros) until
+ * the first non-zero byte when it is ready again.
+ *
+ * Data Response Token
+ * -------------------
+ * Every data block written to the card is acknowledged by a byte 
+ * response token
+ *
+ * +----------------------+
+ * | xxx | 0 | status | 1 |
+ * +----------------------+
+ *              010 - OK!
+ *              101 - CRC Error
+ *              110 - Write Error
+ *
+ * Single Block Read and Write
+ * ---------------------------
+ *
+ * Block transfers have a byte header, followed by the data, followed
+ * by a 16-bit CRC. In our case, the data will always be 512 bytes.
+ *  
+ * +------+---------+---------+- -  - -+---------+-----------+----------+
+ * | 0xFE | data[0] | data[1] |        | data[n] | crc[15:8] | crc[7:0] | 
+ * +------+---------+---------+- -  - -+---------+-----------+----------+
+ */
+ 
+#include "SDFileSystem.h"
+
+#define SD_COMMAND_TIMEOUT 5000
+
+SDFileSystem::SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name) :
+  FATFileSystem(name), _spi(mosi, miso, sclk), _cs(cs) {
+      _cs = 1; 
+}
+
+#define R1_IDLE_STATE           (1 << 0)
+#define R1_ERASE_RESET          (1 << 1)
+#define R1_ILLEGAL_COMMAND      (1 << 2)
+#define R1_COM_CRC_ERROR        (1 << 3)
+#define R1_ERASE_SEQUENCE_ERROR (1 << 4)
+#define R1_ADDRESS_ERROR        (1 << 5)
+#define R1_PARAMETER_ERROR      (1 << 6)
+
+// Types
+//  - v1.x Standard Capacity
+//  - v2.x Standard Capacity
+//  - v2.x High Capacity
+//  - Not recognised as an SD Card
+
+#define SDCARD_FAIL 0
+#define SDCARD_V1   1
+#define SDCARD_V2   2
+#define SDCARD_V2HC 3
+
+int SDFileSystem::initialise_card() {
+    // Set to 100kHz for initialisation, and clock card with cs = 1
+    _spi.frequency(100000); 
+    _cs = 1;
+    for(int i=0; i<16; i++) {   
+        _spi.write(0xFF);
+    }
+
+    // send CMD0, should return with all zeros except IDLE STATE set (bit 0)
+    if(_cmd(0, 0) != R1_IDLE_STATE) { 
+        fprintf(stderr, "No disk, or could not put SD card in to SPI idle state\n");
+        return SDCARD_FAIL;
+    }
+
+    // send CMD8 to determine whther it is ver 2.x
+    int r = _cmd8();
+    if(r == R1_IDLE_STATE) {
+        return initialise_card_v2();
+    } else if(r == (R1_IDLE_STATE | R1_ILLEGAL_COMMAND)) {
+        return initialise_card_v1();
+    } else {
+        fprintf(stderr, "Not in idle state after sending CMD8 (not an SD card?)\n");
+        return SDCARD_FAIL;
+    }
+}
+
+int SDFileSystem::initialise_card_v1() {
+    for(int i=0; i<SD_COMMAND_TIMEOUT; i++) {
+        _cmd(55, 0); 
+        if(_cmd(41, 0) == 0) { 
+            return SDCARD_V1;
+        }
+    }
+
+    fprintf(stderr, "Timeout waiting for v1.x card\n");
+    return SDCARD_FAIL;
+}
+
+int SDFileSystem::initialise_card_v2() {
+    
+    for(int i=0; i<SD_COMMAND_TIMEOUT; i++) {
+        _cmd(55, 0); 
+        if(_cmd(41, 0) == 0) { 
+            _cmd58();
+            return SDCARD_V2;
+        }
+    }
+
+    fprintf(stderr, "Timeout waiting for v2.x card\n");
+    return SDCARD_FAIL;
+}
+
+int SDFileSystem::disk_initialize() {
+
+    int i = initialise_card();
+//    printf("init card = %d\n", i);
+//    printf("OK\n");
+
+    _sectors = _sd_sectors();
+
+    // Set block length to 512 (CMD16)
+    if(_cmd(16, 512) != 0) {
+        fprintf(stderr, "Set 512-byte block timed out\n");
+        return 1;
+    }
+        
+    _spi.frequency(1000000); // Set to 1MHz for data transfer
+    return 0;
+}
+
+int SDFileSystem::disk_write(const char *buffer, int block_number) {
+    // set write address for single block (CMD24)
+    if(_cmd(24, block_number * 512) != 0) {
+        return 1;
+    }
+
+    // send the data block
+    _write(buffer, 512);    
+    return 0;    
+}
+
+int SDFileSystem::disk_read(char *buffer, int block_number) {        
+    // set read address for single block (CMD17)
+    if(_cmd(17, block_number * 512) != 0) {
+        return 1;
+    }
+    
+    // receive the data
+    _read(buffer, 512);
+    return 0;
+}
+
+int SDFileSystem::disk_status() { return 0; }
+int SDFileSystem::disk_sync() { return 0; }
+int SDFileSystem::disk_sectors() { return _sectors; }
+
+// PRIVATE FUNCTIONS
+
+int SDFileSystem::_cmd(int cmd, int arg) {
+    _cs = 0; 
+
+    // send a command
+    _spi.write(0x40 | cmd);
+    _spi.write(arg >> 24);
+    _spi.write(arg >> 16);
+    _spi.write(arg >> 8);
+    _spi.write(arg >> 0);
+    _spi.write(0x95);
+
+    // wait for the repsonse (response[7] == 0)
+    for(int i=0; i<SD_COMMAND_TIMEOUT; i++) {
+        int response = _spi.write(0xFF);
+        if(!(response & 0x80)) {
+            _cs = 1;
+            _spi.write(0xFF);
+            return response;
+        }
+    }
+    _cs = 1;
+    _spi.write(0xFF);
+    return -1; // timeout
+}
+int SDFileSystem::_cmdx(int cmd, int arg) {
+    _cs = 0; 
+
+    // send a command
+    _spi.write(0x40 | cmd);
+    _spi.write(arg >> 24);
+    _spi.write(arg >> 16);
+    _spi.write(arg >> 8);
+    _spi.write(arg >> 0);
+    _spi.write(0x95);
+
+    // wait for the repsonse (response[7] == 0)
+    for(int i=0; i<SD_COMMAND_TIMEOUT; i++) {
+        int response = _spi.write(0xFF);
+        if(!(response & 0x80)) {
+            return response;
+        }
+    }
+    _cs = 1;
+    _spi.write(0xFF);
+    return -1; // timeout
+}
+
+
+int SDFileSystem::_cmd58() {
+    _cs = 0; 
+    int arg = 0;
+    
+    // send a command
+    _spi.write(0x40 | 58);
+    _spi.write(arg >> 24);
+    _spi.write(arg >> 16);
+    _spi.write(arg >> 8);
+    _spi.write(arg >> 0);
+    _spi.write(0x95);
+
+    // wait for the repsonse (response[7] == 0)
+    for(int i=0; i<SD_COMMAND_TIMEOUT; i++) {
+        int response = _spi.write(0xFF);
+        if(!(response & 0x80)) {
+            int ocr = _spi.write(0xFF) << 24;
+            ocr |= _spi.write(0xFF) << 16;
+            ocr |= _spi.write(0xFF) << 8;
+            ocr |= _spi.write(0xFF) << 0;
+//            printf("OCR = 0x%08X\n", ocr);
+            _cs = 1;
+            _spi.write(0xFF);
+            return response;
+        }
+    }
+    _cs = 1;
+    _spi.write(0xFF);
+    return -1; // timeout
+}
+
+int SDFileSystem::_cmd8() {
+    _cs = 0; 
+    
+    // send a command
+    _spi.write(0x40 | 8); // CMD8
+    _spi.write(0x00);     // reserved
+    _spi.write(0x00);     // reserved
+    _spi.write(0x01);     // 3.3v
+    _spi.write(0xAA);     // check pattern
+    _spi.write(0x87);     // crc
+
+    // wait for the repsonse (response[7] == 0)
+    for(int i=0; i<SD_COMMAND_TIMEOUT * 1000; i++) {
+        char response[5];
+        response[0] = _spi.write(0xFF);
+        if(!(response[0] & 0x80)) {
+                for(int j=1; j<5; j++) {
+                    response[i] = _spi.write(0xFF);
+                }
+                _cs = 1;
+                _spi.write(0xFF);
+                return response[0];
+        }
+    }
+    _cs = 1;
+    _spi.write(0xFF);
+    return -1; // timeout
+}
+
+int SDFileSystem::_read(char *buffer, int length) {
+    _cs = 0;
+
+    // read until start byte (0xFF)
+    while(_spi.write(0xFF) != 0xFE);
+
+    // read data
+    for(int i=0; i<length; i++) {
+        buffer[i] = _spi.write(0xFF);
+    }
+    _spi.write(0xFF); // checksum
+    _spi.write(0xFF);
+
+    _cs = 1;    
+    _spi.write(0xFF);
+    return 0;
+}
+
+int SDFileSystem::_write(const char *buffer, int length) {
+    _cs = 0;
+    
+    // indicate start of block
+    _spi.write(0xFE);
+    
+    // write the data
+    for(int i=0; i<length; i++) {
+        _spi.write(buffer[i]);
+    }
+    
+    // write the checksum
+    _spi.write(0xFF); 
+    _spi.write(0xFF);
+
+    // check the repsonse token
+    if((_spi.write(0xFF) & 0x1F) != 0x05) {
+        _cs = 1;
+        _spi.write(0xFF);        
+        return 1;
+    }
+
+    // wait for write to finish
+    while(_spi.write(0xFF) == 0);
+
+    _cs = 1; 
+    _spi.write(0xFF);
+    return 0;
+}
+
+static int ext_bits(char *data, int msb, int lsb) {
+    int bits = 0;
+    int size = 1 + msb - lsb; 
+    for(int i=0; i<size; i++) {
+        int position = lsb + i;
+        int byte = 15 - (position >> 3);
+        int bit = position & 0x7;
+        int value = (data[byte] >> bit) & 1;
+        bits |= value << i;
+    }
+    return bits;
+}
+
+int SDFileSystem::_sd_sectors() {
+
+    // CMD9, Response R2 (R1 byte + 16-byte block read)
+    if(_cmdx(9, 0) != 0) {
+        fprintf(stderr, "Didn't get a response from the disk\n");
+        return 0;
+    }
+    
+    char csd[16];    
+    if(_read(csd, 16) != 0) {
+        fprintf(stderr, "Couldn't read csd response from disk\n");
+        return 0;
+    }
+
+    // csd_structure : csd[127:126]
+    // c_size        : csd[73:62]
+    // c_size_mult   : csd[49:47]
+    // read_bl_len   : csd[83:80] - the *maximum* read block length
+
+    int csd_structure = ext_bits(csd, 127, 126);
+    int c_size = ext_bits(csd, 73, 62);
+    int c_size_mult = ext_bits(csd, 49, 47);
+    int read_bl_len = ext_bits(csd, 83, 80);
+
+//    printf("CSD_STRUCT = %d\n", csd_structure);
+    
+    if(csd_structure != 0) {
+        fprintf(stderr, "This disk tastes funny! I only know about type 0 CSD structures\n");
+        return 0;
+    }
+             
+    // memory capacity = BLOCKNR * BLOCK_LEN
+    // where
+    //  BLOCKNR = (C_SIZE+1) * MULT
+    //  MULT = 2^(C_SIZE_MULT+2) (C_SIZE_MULT < 8)
+    //  BLOCK_LEN = 2^READ_BL_LEN, (READ_BL_LEN < 12)         
+                            
+    int block_len = 1 << read_bl_len;
+    int mult = 1 << (c_size_mult + 2);
+    int blocknr = (c_size + 1) * mult;
+    int capacity = blocknr * block_len;
+        
+    int blocks = capacity / 512;
+        
+    return blocks;
+}

diff -r 000000000000 -r 7ea8f0d27a4f SDFileSystem.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.h	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,81 @@
+/* mbed SDFileSystem Library, for providing file access to SD cards
+ * Copyright (c) 2008-2010, sford
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MBED_SDFILESYSTEM_H
+#define MBED_SDFILESYSTEM_H
+
+#include "mbed.h"
+#include "FATFileSystem.h"
+
+/** Access the filesystem on an SD Card using SPI
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "SDFileSystem.h"
+ *
+ * SDFileSystem sd(p5, p6, p7, p12, "sd"); // mosi, miso, sclk, cs
+ *  
+ * int main() {
+ *     FILE *fp = fopen("/sd/myfile.txt", "w");
+ *     fprintf(fp, "Hello World!\n");
+ *     fclose(fp);
+ * }
+ */
+class SDFileSystem : public FATFileSystem {
+public:
+
+    /** Create the File System for accessing an SD Card using SPI
+     *
+     * @param mosi SPI mosi pin connected to SD Card
+     * @param miso SPI miso pin conencted to SD Card
+     * @param sclk SPI sclk pin connected to SD Card
+     * @param cs   DigitalOut pin used as SD Card chip select
+     * @param name The name used to access the virtual filesystem
+     */
+    SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
+    virtual int disk_initialize();
+    virtual int disk_write(const char *buffer, int block_number);
+    virtual int disk_read(char *buffer, int block_number);    
+    virtual int disk_status();
+    virtual int disk_sync();
+    virtual int disk_sectors();
+
+protected:
+
+    int _cmd(int cmd, int arg);
+    int _cmdx(int cmd, int arg);
+    int _cmd8();
+    int _cmd58();
+    int initialise_card();
+    int initialise_card_v1();
+    int initialise_card_v2();
+    
+    int _read(char *buffer, int length);
+    int _write(const char *buffer, int length);
+    int _sd_sectors();
+    int _sectors;
+    
+    SPI _spi;
+    DigitalOut _cs;     
+};
+
+#endif

diff -r 000000000000 -r 7ea8f0d27a4f SerialBuffered.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SerialBuffered.cpp	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,108 @@
+
+#include "mbed.h"
+#include "SerialBuffered.h"
+ 
+extern Serial loggerSerial;
+ 
+SerialBuffered::SerialBuffered( size_t bufferSize, PinName tx, PinName rx ) : Serial(  tx,  rx ) 
+{
+    m_buffSize = 0;
+    m_contentStart = 0;
+    m_contentEnd = 0;
+    m_timeout = 1.0;
+   
+    
+    attach( this, &SerialBuffered::handleInterrupt );
+    
+    m_buff = (uint8_t *) malloc( bufferSize );
+    if( m_buff == NULL )
+    {
+        //loggerSerial.printf("SerialBuffered - failed to alloc buffer size %d\r\n", (int) bufferSize );
+    }
+    else
+    {
+        m_buffSize = bufferSize;
+    }
+}
+
+
+SerialBuffered::~SerialBuffered()
+{
+    if( m_buff )
+        free( m_buff );
+}
+
+void SerialBuffered::setTimeout( float seconds )
+{
+    m_timeout = seconds;
+}
+    
+size_t SerialBuffered::readBytes( uint8_t *bytes, size_t requested )
+{
+    int i = 0;
+
+    for( ; i < requested; )
+    {
+        int c = getc();
+        if( c < 0 )
+            break;
+        bytes[i] = c;
+        i++;
+    }
+    
+    return i;
+        
+}
+
+
+int SerialBuffered::getc()
+{
+    m_timer.reset();
+    m_timer.start();
+    while( m_contentStart == m_contentEnd )
+    {
+      
+
+        wait_ms( 1 );
+        if( m_timeout > 0 &&  m_timer.read() > m_timeout )
+            return EOF;
+    }
+
+    m_timer.stop();
+   
+    uint8_t result = m_buff[m_contentStart++];
+    m_contentStart =  m_contentStart % m_buffSize;
+
+   
+    return result;    
+}
+
+
+int SerialBuffered::readable()
+{
+    return m_contentStart != m_contentEnd ;
+}
+
+void SerialBuffered::handleInterrupt()
+{
+    
+    while( Serial::readable())
+    {
+        if( m_contentStart == (m_contentEnd +1) % m_buffSize)
+        {
+           loggerSerial.printf("SerialBuffered - buffer overrun, data lost!\r\n" );
+           Serial::getc();
+
+        }
+        else
+        {
+          
+            m_buff[ m_contentEnd ++ ] = Serial::getc();
+            m_contentEnd = m_contentEnd % m_buffSize;
+            
+           
+           
+        }
+    }
+}
+

diff -r 000000000000 -r 7ea8f0d27a4f SerialBuffered.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SerialBuffered.h	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,39 @@
+#pragma once
+
+// This is a buffered serial reading class, using the serial interrupt introduced in mbed library version 18 on 17/11/09
+
+// In the simplest case, construct it with a buffer size at least equal to the largest message you 
+// expect your program to receive in one go.
+
+class SerialBuffered : public Serial
+{
+public:
+    SerialBuffered( size_t bufferSize, PinName tx, PinName rx );
+    virtual ~SerialBuffered();
+    
+    int getc();     // will block till the next character turns up, or return -1 if there is a timeout
+    
+    int readable(); // returns 1 if there is a character available to read, 0 otherwise
+    
+    void setTimeout( float seconds );    // maximum time in seconds that getc() should block 
+                                         // while waiting for a character
+                                         // Pass -1 to disable the timeout.
+    
+    size_t readBytes( uint8_t *bytes, size_t requested );    // read requested bytes into a buffer, 
+                                                             // return number actually read, 
+                                                             // which may be less than requested if there has been a timeout
+    
+
+private:
+    
+    void handleInterrupt();
+    
+   
+    uint8_t *m_buff;            // points at a circular buffer, containing data from m_contentStart, for m_contentSize bytes, wrapping when you get to the end
+    uint16_t  m_contentStart;   // index of first bytes of content
+    uint16_t  m_contentEnd;     // index of bytes after last byte of content
+    uint16_t m_buffSize;
+    float m_timeout;
+    Timer m_timer;
+
+};
\ No newline at end of file

diff -r 000000000000 -r 7ea8f0d27a4f TextLCD.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.cpp	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,188 @@
+/* draft mbed TextLCD 
+ * (c) 2007/8, sford
+ */
+ 
+#include "TextLCD.h"
+
+#include "mbed.h"
+
+using namespace mbed;
+
+/*
+ * useful info found at http://www.a-netz.de/lcd.en.php
+ *
+ *
+ * Initialisation
+ * ==============
+ *
+ * After attaching the supply voltage/after a reset, the display needs to be brought in to a defined state
+ *
+ * - wait approximately 15 ms so the display is ready to execute commands
+ * - Execute the command 0x30 ("Display Settings") three times (wait 1,64ms after each command, the busy flag cannot be queried now). 
+ * - The display is in 8 bit mode, so if you have only connected 4 data pins you should only transmit the higher nibble of each command.
+ * - If you want to use the 4 bit mode, now you can execute the command to switch over to this mode now.
+ * - Execute the "clear display" command
+ *
+ * Timing
+ * ======
+ *
+ * Nearly all commands transmitted to the display need 40us for execution. 
+ * Exceptions are the commands "Clear Display and Reset" and "Set Cursor to Start Position" 
+ * These commands need 1.64ms for execution. These timings are valid for all displays working with an 
+ * internal clock of 250kHz. But I do not know any displays that use other frequencies. Any time you 
+ * can use the busy flag to test if the display is ready to accept the next command.
+ * 
+ * _e is kept high apart from calling clock
+ * _rw is kept 0 (write) apart from actions that uyse it differently
+ * _rs is set by the data/command writes
+ */
+
+
+//wait(0.05);
+
+TextLCD::TextLCD(PinName rs, PinName rw, PinName e, PinName d0, PinName d1, 
+    PinName d2, PinName d3, int columns, int rows) : _rw(rw), _rs(rs), 
+    _e(e), _d(d0, d1, d2, d3), _columns(columns), _rows(rows) {
+
+    _rows = 4;
+    _columns = 20;
+wait(0.05);
+    _rw = 0;
+    _e  = 1;
+    _rs = 0; // command mode
+wait(0.05);
+    // Should theoretically wait 15ms, but most things will be powered up pre-reset
+    // so i'll disable that for the minute. If implemented, could wait 15ms post reset
+    // instead
+    // wait(0.015); 
+        
+    // send "Display Settings" 3 times (Only top nibble of 0x30 as we've got 4-bit bus)
+    for(int i=0; i<3; i++) {
+        writeNibble(0x3);
+        wait(0.005);      // this command takes 1.64ms, so wait for it
+    }
+    wait(0.1);
+    writeNibble(0x2); // 4-bit mode
+wait(0.001);            
+    writeCommand(0x28);    // Function set 001 BW N F - -  
+wait(0.001);
+    writeCommand(0x0C);
+    wait(0.001);
+    writeCommand(0x6);  //  Cursor Direction and Display Shift : 0000 01 CD S (CD 0-left, 1-right S(hift) 0-no, 1-yes
+    cls();
+}
+
+
+
+int TextLCD::_putc(int value) {
+    if(value == '\n') {
+        newline();
+    } else {
+        writeData(value);
+    }
+    return value;
+}
+
+int TextLCD::_getc() {
+    return 0;
+}
+
+void TextLCD::newline() {
+    _column = 0;
+    _row++;
+    if(_row >= _rows) {
+        _row = 0;
+    }
+    locate(_column, _row); 
+}
+
+void TextLCD::locate(int column, int row) 
+{
+   /* if(column < 0 || column >= _columns || row < 0 || row >= _rows) {
+        ERROR("locate(%d,%d) out of range on %dx%d display", column, row, _columns, _rows);
+        return;
+    }*/
+    
+    _row = row;
+      _column = column;
+      int address=0;
+      
+      if (_rows > 2) {
+        // row 0 : 0x0->0x13
+        // row 1 : 0x40->0x53
+        // row 2 : 0x14->0x27
+        // row 3 : 0x54->0x67
+        
+        switch (_row) {
+            case (0) : address = 0x80 + _column;
+            break;
+            case (1) : address = 0xc0 + _column;
+            break;
+            case (2) : address = 0x94 + _column;
+            break;
+            case (3) : address = 0xd4 + _column;
+            break;
+        }        
+                
+      }
+      else {
+         // memory starts at 0x80, and is 40 chars long per row
+          address = 0x80 + (_row * 40)  + _column; 
+      }
+      
+      writeCommand(address);            
+}
+
+
+void TextLCD::rows(int rows) {
+    _rows = rows;
+}
+
+
+void TextLCD::columns(int columns) {
+    _columns = columns;
+}
+
+
+
+
+void TextLCD::cls() {
+    writeCommand(0x01); // Clear Display
+    wait(0.00164f);        // This command takes 1.64 ms
+      locate(0, 0);
+}
+
+void TextLCD::reset() {
+    cls();
+}
+
+void TextLCD::clock() {
+    wait(0.00010);
+    _e = 0;
+    wait(0.00010);  // most instructions take 40us
+    _e = 1;    
+}
+
+void TextLCD::writeNibble(int value) {
+    _d = value;
+    clock();
+}
+
+void TextLCD::writeByte(int value) {
+    writeNibble(value >> 4);
+    writeNibble(value >> 0);
+}
+
+void TextLCD::writeCommand(int command) {
+    _rs = 0;
+    writeByte(command);
+}
+
+void TextLCD::writeData(int data) {
+    _rs = 1;
+    writeByte(data);
+    _column++;
+    if(_column >= _columns) {
+        newline();
+    } 
+}

diff -r 000000000000 -r 7ea8f0d27a4f TextLCD.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.h	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,51 @@
+/* draft mbed TextLCD 
+ * (c) 2007/8, sford
+ */
+ 
+#ifndef MBED_TEXTLCD_H
+#define MBED_TEXTLCD_H
+
+#include "Stream.h"
+#include "DigitalOut.h"
+#include "BusOut.h"
+
+namespace mbed {
+
+class TextLCD : public Stream {
+
+public:
+
+    TextLCD(PinName rs, PinName rw,PinName e, PinName d0, PinName d1, PinName d2, PinName d3, int columns, int rows);
+    void rows(int rows);
+    void columns(int columns);
+            
+    virtual void locate(int row, int column);
+    virtual void cls();    
+    virtual void reset();
+//    virtual void init_Display();
+ 
+        
+protected:
+
+    void clock();
+    void writeData(int data);
+    void writeCommand(int command);
+    void writeByte(int value);
+    void writeNibble(int value);
+    virtual int _putc(int c);        
+    virtual int _getc();
+    virtual void newline();
+             
+            
+    int _rows;
+    int _columns;
+    int _row;
+    int _column;    
+    DigitalOut _rw, _rs, _e;
+    BusOut _d;
+
+};
+
+}
+
+#endif

diff -r 000000000000 -r 7ea8f0d27a4f main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,455 @@
+//Code Designed to display run-time variables from a Megasquirt Fuel Injection controller.
+//This is the base code to load variables and print to DigoleSerialDisp and write them to a file.  File format is .FRD for import into EFI Analytics tuner Studio
+
+#include "mbed.h"
+//#include "TextDigoleSerialDisp.h"
+#include "SDFileSystem.h"
+#include "SerialBuffered.h"
+//#include "LIS302.h"
+
+
+//SD Card pin assignment
+SDFileSystem sd(p11, p12, p13, p14, "sd");//DI, D0, SCK, CS
+
+AnalogIn SDenable(p20);//define SD card switch
+DigitalOut myled1(LED1);//define LED
+Serial loggerSerial(USBTX, USBRX);
+Timer t;
+
+LocalFileSystem local("local");
+
+
+
+//Serial usb(USBTX, USBRX); //define USB connection pins
+SerialBuffered megasquirt(120, p28, p27);  // that 128 is the size of the read buffer it will make for you
+
+Serial DigoleSerialDisp(p9, p10);//UART DigoleSerialDisp(PinName TX, PinName RX);
+
+DigitalOut usb_activity(LED1); //define USB activity
+DigitalOut megasquirt_activity(LED2); //define Megasquirt activity
+unsigned char      tmp_data[16];
+unsigned char       buf[120];
+int tmp;
+float Time;
+long float SecL; //get secoonds
+long float        PW;//get pulseWidth1
+long float        PW2; //get pulseWidth2
+int        RPM; //get Rpm
+float DutyCycle; //Injector Duty Cycle
+float DutyCycle2; //Injector Bank2 Duty  Cycle
+long float        SparkAdv; //get advance
+float        squirt; //get squirt
+float        Engine; //get squirt
+float       afrtgt1; //get AFR target - Table 1
+float        afrtgt2; //get AFR target - Table 2
+float        wbo2_en1; //get WideBand Valid1
+float        wbo2_en2; //get WideBand Valid2
+long float       barometer; //get Barometer
+long float        MAP; //get manifold absolute pressure MAP
+long float        MAT; //get manifold absolute temperature (MAT)
+long float      CLT; //get coolant temperature (CLT)
+long float        TP; //get Throttle Position Sensor (TPS)
+long float        vBatt; //get BAttery Voltage
+long float        AFR; //get Realtime AFR for VE1
+long float        AFR2; //get Realtime AFR for VE2
+long float        knock; //get Knock Threshold Value
+long float       Gego; //get egoCorrrection1 amount %
+long float        Gego2; //get egoCorrrection2 amount %
+long float       Gair; //get air correction (G_air)
+long float        Gwarmup; //get Warmup Enrichment
+long float        TPSacc; //get accel enrichment (ms)
+long float        TPScut; //get TPS based fuel cut %
+long float       Gbaro; //get baroCorrection %
+long float       Gammae; //get gammaEnrich %
+long float        veCurr1; //get Current VE value Table 1
+long float        veCurr2; //get Current VE value Table 2
+long float        IAC; //get IAC Step %
+long float        ColdAdv; //get Cold Ignition Advance
+long float       tpsDOT;    //get Rate of Change TPS
+long float        mapDOT;  //get Rate of Change MAP
+long float        Dwell; //get Ignition Dwell
+long float        maf; //get MAF - Mass Air Flow
+long float       fuelload; //get MAP/TPS Blend %
+long float        Ethanol; //get fuel load percent alchohol
+char                portstatus; //get Spare Port Status
+char        knockRetard; //get Knock timing retard (deg)
+long float        EAEFuelCorr; //get EAE Fuel correction
+long float        egoV; //get egoV
+long float        egoV2; //get egoV2
+char        status1; //get Status1
+char        status2; //get Status2
+char        status3; //get Status3
+char        status4; //get Status4
+long float        looptime; //get looptime
+char        status5; //get Status5
+long float        tpsADC; //get tpsADC
+long float        fuelload2; //get fuelload2
+long float        ignload; //get ignload
+long float        ignload2; //get ignload2
+char        syncstatus; //get Sync-Status (0 - sync-error, 1 - syncstatus)
+float        deltaT; //get deltaT
+long float        wallfuel; //get wallfuel
+
+int runtime;
+
+
+unsigned char data_out;
+int n;
+int row;
+int column;
+int i;
+char MSII_288Header[] = {0x46,0x52,0x44,0x00,0x00,0x00,0x00,0x01,0x4b,0x61,0xf1,0x63,0x4d,0x53,0x49,0x49,0x20,0x52,0x65,0x76,0x20,0x32,0x2e,0x38,0x38,0x30,0x30,0x30,0x20,0x20,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x51,0x00,0x70};//file header
+char MSIIExtraHeader[] = {0x46,0x52,0x44,0x00,0x00,0x00,0x00,0x01,0x4b,0x6a,0xf3,0xa8,0x4d,0x53,0x32,0x45,0x78,0x74,0x72,0x61,0x20,0x52,0x65,0x6c,0x20,0x32,0x2e,0x31,0x2e,0x31,0x62,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x51,0x00,0x91};
+char parse_header[] = {0x01,0x00};//data header
+
+
+/*DigoleSerialDisp 2x20 parallel code pin assignment*/
+//TextDigoleSerialDisp DigoleSerialDisp(p21, p22, p23, p24, p25, p26, p30, 20, 2); // (rs, rw, e, d0, d1, d2, d3, n_column, n_rows)
+//define file write
+//AnalogIn file_writeenable(p20);//define SD card switch
+
+
+//enter main loop
+int main() {
+
+
+  DigoleSerialDisp.baud(9600);//set Digole Serial Baud Rate
+//    unsigned char tmp;
+//    unsigned char data_in;
+
+/////Startup Screen////////////
+DigoleSerialDisp.printf("CL\r");//clear screen
+//DigoleSerialDisp.init_Display();
+//DigitalOut myled(LED1);
+DigoleSerialDisp.printf("  DashView V2.1  ");
+wait(3);
+DigoleSerialDisp.printf("CL\r");//clear screen
+DigoleSerialDisp.printf("SD3\r\n");//set rotation 0=0deg,1=90deg,2=180deg,3=270deg
+DigoleSerialDisp.printf("TRT");//offset Line 1 in housing
+DigoleSerialDisp.printf("SF3\rTT Have a great drive\r\n");
+DigoleSerialDisp.printf("TRT");//next line
+
+////////////End Startup Screen//////////
+    megasquirt.baud(115200); //define MEgasquirt serial speed
+    loggerSerial.baud(115200); //define USB connection speed
+/*
+//file header setup
+    FILE *fp = fopen("/sd/datalog.csv", "a");
+    //print header for MS.csv file
+    fprintf(fp, "MSII Rev 2.88000, \nTime,SecL,RPM,MAP,TP,vBatt,AFR,MAT,CLT,Engine,Gego,Gair,Gwarm,Gbaro,Gammae,TPSacc,PW,DutyCycle,PW2,DutyCycle2,SparkAdv,ColdAdv,Dwell,tpsDOT,mapDOT,IAC,deltaT,Ethanol%,\n");
+
+    fclose(fp);
+*/
+    t.start();
+
+    while (1) {
+
+//        char c = loggerSerial.getc();
+        //temporary call function using keyboard - in future will trigger automatically.
+//        if ((c == 'a'))
+//       {
+        //DigoleSerialDisp.printf(" "); //print space for data output format
+        //poll serial device for data stream (a,0,6) to (request, return, confirm)
+        megasquirt.putc(97);//send 97 for run parameters, 83 for board revision, 81 code for revision number
+        wait(0.005);
+        megasquirt.putc(0);
+        wait(0.005);
+        megasquirt.putc(6);
+        int actuallyRead = megasquirt.readBytes( buf, 112); // where 112 is the number of bytes you are expecting
+
+
+//decodeMS();
+
+        Time = t.read();
+
+//void decodeMS() {
+
+//get seconds
+        tmp = buf[0];
+        tmp = tmp << 8;
+        SecL = tmp | buf[1];
+        //MSseconds = MSseconds/256;
+//get pulseWidth1
+        tmp = buf[2];
+        tmp = tmp << 8;
+        tmp = tmp | buf[3];
+        PW = tmp*0.000666;
+
+
+//get pulseWidth2
+        tmp = buf[4];
+        tmp = tmp << 8;
+        tmp = tmp | buf[5];
+        PW2 = tmp*0.000666;
+//get Rpm
+        tmp = buf[6];
+        tmp = tmp << 8;
+        RPM = tmp | buf[7];
+
+//Calculate DutyCycle
+        DutyCycle = (PW * (RPM / 60)) / 10;
+
+//Calculate DutyCycle2
+        DutyCycle2 = (PW2 * (RPM / 60)) / 10;
+
+
+//get advance
+        tmp = buf[8];
+        tmp = tmp << 8;
+        tmp = tmp | buf[9];
+        SparkAdv = tmp/10;
+//get squirt
+        squirt = buf[10];
+//get engine
+        Engine = buf[11];
+//get AFR target - Table 1
+        afrtgt1 = buf[12]*10;
+
+//get AFR target - Table 2
+        afrtgt2 = buf[13]*10;
+//get WideBand Valid1
+        wbo2_en1 = buf[14];
+//get WideBand Valid2
+        wbo2_en2 = buf[15];
+//get Barometer
+        tmp = buf[16];
+        tmp = tmp << 8;
+        tmp = tmp | buf[17];
+        barometer = tmp/10;
+
+//get manifold absolute pressure MAP
+        tmp = buf[18];
+        tmp = tmp << 8;
+        MAP = tmp | buf[19];
+        MAP = MAP/10;
+//get manifold absolute temperature (MAT)
+        tmp = buf[20];
+        tmp = tmp << 8;
+        MAT = tmp | buf[21];
+       MAT = MAT/10; ///for Farenheit
+        MAT = 0.555*(MAT - 32); //for Celcius
+//get coolant temperature (CLT)
+        tmp = buf[22];
+        tmp = tmp << 8;
+        CLT = tmp | buf[23];
+        CLT = CLT/10;
+        CLT = 0.555*(CLT - 32); //for Celcius
+//get Throttle Position Sensor (TPS)
+        tmp = buf[24];
+        tmp = tmp << 8;
+        TP = tmp | buf[25];
+        TP = TP / 10;
+//get BAttery Voltage
+        tmp = buf[26];
+        tmp = tmp << 8;
+        vBatt = tmp | buf[27];
+        vBatt = vBatt /10,
+//get Realtime AFR for VE1
+                tmp = buf[28];
+        tmp = tmp  << 8;
+        AFR = tmp | buf[29];
+        AFR = AFR /10;
+//get Realtime AFR for VE2
+        tmp = buf[30];
+        tmp  = tmp << 8;
+        AFR2 = tmp  | buf[31];
+        AFR2 = AFR2 / 10;
+
+
+//get Knock Threshold Value
+        tmp = buf[32];
+        tmp = tmp << 8;
+        knock = tmp | buf[33];
+        knock = knock /10;
+//get egoCorrrection1 amount %
+        tmp = buf[34];
+        tmp  = tmp  << 8;
+        Gego = tmp | buf[35];
+//get egoCorrrection2 amount %
+        tmp = buf[36];
+        tmp = tmp << 8;
+        Gego2 = tmp | buf[37];
+//get air correction (G_air)
+        tmp = buf[38];
+        tmp  = tmp << 8;
+        Gair = tmp | buf[39];
+//get Warmup Enrichment
+        tmp = buf[40];
+        tmp = tmp << 8;
+        Gwarmup = tmp | buf[41];
+
+//get accel enrichment (ms)
+        tmp = buf[42];
+        tmp = tmp << 8;
+        TPSacc = tmp | buf[43];
+        TPSacc = TPSacc/10;
+//get TPS based fuel cut %
+        tmp = buf[44];
+        tmp = tmp << 8;
+        TPScut = tmp | buf[45];
+//get baroCorrection %
+        tmp = buf[46];
+        tmp = tmp << 8;
+        Gbaro = tmp | buf[47];
+//get gammaEnrich %
+        tmp = buf[48];
+        tmp = tmp << 8;
+        Gammae = tmp | buf[49];
+
+//get Current VE value Table 1
+        tmp = buf[50];
+        tmp  = tmp << 8;
+        veCurr1 = tmp | buf[51];
+        veCurr1 = veCurr1/10;
+//get Current VE value Table 2
+        tmp = buf[52];
+        tmp  = tmp  << 8;
+        veCurr2 = tmp  | buf[53];
+        veCurr2 = veCurr2/10;
+//get IAC Step %
+        tmp = buf[54];
+        tmp = tmp << 8;
+        IAC = tmp | buf[55];
+//get Cold Ignition Advance
+        tmp = buf[56];
+        tmp = tmp << 8;
+        ColdAdv = tmp | buf[57];
+        ColdAdv = ColdAdv/10;
+//get Rate of Change TPS
+        tmp = buf[58];
+        tmp = tmp << 8;
+        tpsDOT = tmp | buf[59];
+        tpsDOT = tpsDOT/10;
+//get Rate of Change MAP
+        tmp = buf[60];
+        tmp = tmp << 8;
+        mapDOT = tmp | buf[67];
+//get Ignition Dwell
+        tmp = buf[62];
+        tmp = tmp  << 8;
+        Dwell = tmp | buf[63];
+        Dwell = Dwell*0.6666;
+//get MAF - Mass Air Flow
+        tmp = buf[64];
+        tmp = tmp << 8;
+        maf = tmp | buf[65];
+//get MAP/TPS Blend %
+        tmp = buf[66];
+        tmp = tmp << 8;
+        fuelload = tmp | buf[67];
+        fuelload = fuelload/10;
+//get fuel load percent alchohol
+        tmp = buf[68];
+        tmp = tmp  << 8;
+        Ethanol = tmp  | buf[69];
+
+//get Spare Port Status
+        portstatus = buf[70];
+//get Knock timing retard (deg)
+        knockRetard = buf[71];
+        knockRetard = knockRetard/10;
+//get EAE Fuel correction
+        tmp = buf[72];
+        tmp = tmp << 8;
+        EAEFuelCorr  = tmp  | buf[73];
+
+//get egoV
+        tmp = buf[74];
+        tmp = tmp  << 8;
+        egoV = tmp  | buf[75];
+        egoV = egoV/100;
+//get egoV2
+        tmp = buf[76];
+        tmp = tmp << 8;
+        egoV2 = tmp | buf[77];
+        egoV2 = egoV2/100;
+//get Status1
+        status1 = buf[78];
+//get Status2
+        status2 = buf[79];
+//get Status3
+        status3 = buf[80];
+//get Status4
+        status4 = buf[81];
+//get looptime
+        tmp = buf[82];
+        tmp = tmp << 8;
+        looptime = tmp | buf[83];
+        looptime = looptime*0.6667;
+//get Status5
+        status5 = buf[84];
+//get tpsADC
+        tmp = buf[85];
+        tmp = tmp << 8;
+        tpsADC = tmp | buf[86];
+//get fuelload2
+        tmp  = buf[87];
+        tmp  = tmp  << 8;
+        fuelload2 = tmp | buf[88];
+//get ignload
+        tmp = buf[89];
+        tmp = tmp << 8;
+        ignload = tmp | buf[90];
+        ignload = ignload/100;
+//get ignload2
+        tmp = buf[91];
+        tmp = tmp << 8;
+        ignload2 = tmp  | buf[92];
+        ignload2 = ignload2/100;
+//get Sync-Status (0 - sync-error, 1 - syncstatus)
+        syncstatus = buf[104];
+
+//get deltaT
+        tmp = buf[106];
+        tmp = tmp  << 8;
+        deltaT = tmp | buf[107];
+//get wallfuel
+        tmp = buf[110];
+        tmp = tmp << 8;
+        wallfuel = tmp  | buf[111];
+
+///Display Parameters to DigoleSerialDisp///////////  
+DigoleSerialDisp.printf("SF3\r\n");
+DigoleSerialDisp.printf("SD3\r\n");//set rotation 0=0deg,1=90deg,2=180deg,3=270deg
+DigoleSerialDisp.printf("TRT");//offset Line 1 in housing
+
+        //DigoleSerialDisp.locate(0,1);
+        DigoleSerialDisp.printf("TT Volt=%4.1f \r\nTRT TT AFR =%4.1f\r\n TRT TT MAT= %3.0f C\r\nTRT TT CLT= %3.0f C\r\nTRT",vBatt,AFR,MAT,CLT);
+        DigoleSerialDisp.printf("TRT");//next line
+
+        //DigoleSerialDisp.locate(0,0);
+        //DigoleSerialDisp.printf("TT AFR =%4.1f\r\n", AFR);
+        //DigoleSerialDisp.printf("TRT");//next line
+
+
+
+//get manifold absolute temperature (MAT)
+ /*
+        //DigoleSerialDisp.locate(10,1);
+        DigoleSerialDisp.printf("TT MAT= %3.0f C\r\n", MAT);
+        DigoleSerialDisp.printf("TRT");//next line
+        
+//get Clt
+       // CLT = 0.5555*(CLT - 32); //for Celcius  
+        //DigoleSerialDisp.locate(10,0);
+        DigoleSerialDisp.printf("TT CLT= %3.0f C\r\n", CLT);
+        DigoleSerialDisp.printf("TRT");//next line
+ */       
+        DigoleSerialDisp.printf("CL\r");//clear screen
+
+/*
+////////////////////////write to SD Card////////////////////////////////
+        if (SDenable > 0.5) //switch enable
+        {
+            myled1 = 1;
+            FILE *fp = fopen("/sd/datalog.csv", "a");
+            fprintf(fp, "%8.3f, %4f, %i, %4.1f, %3f, %4.1f, %4.1f, %5.1f, %5.1f, %f, %f, %f, %f, %f, %f, %f, %f, %4.1f, %f, %4.1f, %f, %f, %f, %f, %f, %f, %f, %i, \n", Time, SecL, RPM, MAP, TP, vBatt, AFR, MAT, CLT, Engine, Gego, Gair, Gwarmup, Gbaro, Gammae, TPSacc, PW, DutyCycle,  PW2, DutyCycle2, SparkAdv, ColdAdv, Dwell, tpsDOT, mapDOT, IAC, deltaT, Ethanol);
+            fclose(fp);
+        } else {
+            myled1 = 0;
+        }
+*/
+    }
+}
+
+//exit main loop

diff -r 000000000000 -r 7ea8f0d27a4f mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Nov 27 16:32:41 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/49a220cc26e0
\ No newline at end of file