AdafruitThermal.h

00001 /*************************************************** 
00002   This is a library for the Adafruit Thermal Printer
00003   
00004   Pick one up at --> http://www.adafruit.com/products/597
00005   These printers use TTL serial to communicate, 2 pins are required
00006 
00007   Adafruit invests time and resources providing this open source code, 
00008   please support Adafruit and open-source hardware by purchasing 
00009   products from Adafruit!
00010 
00011   Written by Limor Fried/Ladyada for Adafruit Industries.  
00012   MIT license, all text above must be included in any redistribution
00013  ****************************************************/
00014 
00015 // Ported to mbed by Ashley Mills
00016 // Documentation by Andrew Ross - NOTE: printBitmap not ported, nothing tested 
00017 
00018 #pragma once
00019 
00020 #include "mbed.h"
00021 
00022 #define UPC_A 0
00023 #define UPC_E 1
00024 #define EAN13 2
00025 #define EAN8  3
00026 #define CODE39 4
00027 #define I25   5
00028 #define CODEBAR 6
00029 #define CODE93 7
00030 #define CODE128 8
00031 #define CODE11  9
00032 #define MSI 10
00033 
00034 
00035 #define PRINTER_PRINT(a) _printer->putc(a);
00036 #define delay(a) wait(a/1000)
00037 
00038 //**************************************************************************
00039 // \class AdafruitThermal AdafruitThermal.h
00040 // \brief This is the main class. It shoud be used like this : AdafruitThermal printer(p9,p10);
00041 /**
00042 Example:
00043 * @code
00044 * // Print a char array onto the thermal paper
00045 * #include "mbed.h"
00046 * #include "AdafruitThermal.h"
00047 *
00048 * AdafruitThermal printer(p9,p10);
00049 *
00050 * int main() {
00051 *     printer.begin();
00052 *     char *Text_Out = "Hello World!\n";
00053 *     printer.print(Text_Out);
00054 * }
00055 * @endcode
00056 */
00057 
00058 class AdafruitThermal {
00059   public:
00060 
00061   AdafruitThermal(PinName RX_Pin, PinName TX_Pin);  // constructor
00062     void begin(int heatTime=255);
00063     void reset();
00064     
00065     // General Commands *******************************************************************************
00066     
00067     /** Sets Default settings on printer*/
00068     void setDefault();
00069     void test();
00070     void testPage();
00071 
00072     /** Basic function for all printing. Prints character to stream
00073     * @param char to print (see AdafruitThermal.h)
00074     */
00075     size_t write(uint8_t c);
00076     
00077     void normal();
00078     
00079     /** Inverses the printer color space*/
00080     void inverseOn();
00081     
00082     /** Turns off inverse*/
00083     void inverseOff();
00084     void upsideDownOn();
00085     void upsideDownOff();
00086     void doubleHeightOn();
00087     void doubleHeightOff();
00088     void doubleWidthOn();
00089     void doubleWidthOff();
00090     void boldOn();
00091     void boldOff();
00092     void underlineOn(uint8_t weight=1);
00093     void underlineOff();
00094     void strikeOn();
00095     void strikeOff();
00096 
00097     /** Allows you to left, right or center justify your text
00098     * @param string containing L, R, or C for alignment
00099     */
00100     void justify(char value);
00101     void feed(uint8_t x = 1);
00102     void feedRows(uint8_t);
00103     void flush();
00104     void online();
00105     void offline();
00106     void sleep();
00107     void sleepAfter(uint8_t seconds);
00108     void wake();
00109     
00110     /** Main function to print information
00111     * @param array of chars which is parsed by the write function
00112     */
00113     void print(char *string);
00114 
00115     void setCharSpacing(int spacing);
00116     void setSize(char value);
00117     void setLineHeight(int val = 32);
00118 
00119     void printBarcode(char * text, uint8_t type);
00120     void setBarcodeHeight(int val);
00121 
00122     // not ported
00123     //void printBitmap(int w, int h, const uint8_t *bitmap);
00124     //void printBitmap(int w, int h, Stream *stream);
00125     //void printBitmap(Stream *stream);
00126 
00127     // ??
00128     void tab();
00129 
00130   protected:
00131     Serial * _printer;
00132     bool linefeedneeded;
00133 
00134     // little helpers to make code easier to read&use
00135     void writeBytes(uint8_t a);
00136     void writeBytes(uint8_t a, uint8_t b);
00137     void writeBytes(uint8_t a, uint8_t b, uint8_t c);
00138     void writeBytes(uint8_t a, uint8_t b, uint8_t c, uint8_t d);
00139 
00140     int printMode;
00141     void writePrintMode();
00142     void setPrintMode(uint8_t mask);
00143     void unsetPrintMode(uint8_t mask);
00144 
00145     PinName _RX_Pin;
00146     PinName _TX_Pin;
00147 };