Driver for thermal printer using serial communication like http://www.sparkfun.com/products/10438. This is port from arduino library available at http://bildr.org/2011/08/thermal-printer-arduino/

Dependents:   ThermalSample mbedica_on_yehowshua mbedica

Files at this revision

API Documentation at this revision

Comitter:
mimil
Date:
Wed Jul 18 12:58:53 2012 +0000
Commit message:
update of headers

Changed in this revision

Thermal.cpp Show annotated file Show diff for this revision Revisions of this file
Thermal.h Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r fd2be7a1b59f Thermal.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Thermal.cpp	Wed Jul 18 12:58:53 2012 +0000
@@ -0,0 +1,351 @@
+/*
+ Copyright (c) 2010 bildr community
+ Ported to mbed by mimilowns
+
+ 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.
+*/
+
+#include "mbed.h"
+#include "Thermal.h"
+
+
+Thermal::Thermal(PinName tx, PinName rx, int baud) : Serial(tx, rx) {
+    Serial::baud(baud);
+    //setTimeout(50);
+
+
+    int zero = 0;
+
+
+
+    heatTime = 80; // 80 is default from page 23 of datasheet. Controls speed of printing and darkness
+    heatInterval = 2; // 2 is default from page 23 of datasheet. Controls speed of printing and darkness
+    printDensity = 15; // Not sure what the defaut is. Testing shows the max helps darken text. From page 23.
+    printBreakTime = 15; // Not sure what the defaut is. Testing shows the max helps darken text. From page 23.
+
+
+    setHeatTime(heatTime);
+    setPrintDensity(printDensity);
+
+
+    setDefault();
+}
+
+void Thermal::setDefault()
+
+{
+    wake();
+    justify('L');
+    inverseOff();
+    doubleHeightOff();
+    setLineHeight(32);
+    boldOff();
+    underlineOff();
+    setBarcodeHeight(50);
+    setSize('s');
+}
+
+void Thermal::test()
+
+{
+    Serial::printf("Hello World!");
+    feed(2);
+}
+
+
+
+void Thermal::setBarcodeHeight(int val)
+
+{
+    // default is 50
+    writeBytes(29, 104, val);
+}
+
+void Thermal::printBarcode(char * text){
+writeBytes(29, 107, 0); // GS, K, m!
+  
+  for(int i = 0; i < strlen(text); i ++){
+    write(text[i]); //Data
+  }
+ 
+  write(zero); //Terminator
+  
+  delay(3000); //For some reason we can't immediately have line feeds here
+  feed(2);
+}
+
+void Thermal::printFancyBarcode(char * text){
+  writeBytes(29, 107, 4); // GS, K, Fancy!
+  
+  for(int i = 0; i < strlen(text); i ++){
+    write(text[i]); //Data
+  }
+ 
+  write(zero); //Terminator
+  
+  delay(3000); //For some reason we can't immediately have line feeds here
+  feed(2);
+}
+
+void Thermal::writeBytes(uint8_t a, uint8_t b)
+
+{
+    write(a);
+    write(b);
+}
+
+void Thermal::writeBytes(uint8_t a, uint8_t b, uint8_t c)
+
+{
+    write(a);
+    write(b);
+    write(c);
+}
+
+void Thermal::writeBytes(uint8_t a, uint8_t b, uint8_t c, uint8_t d)
+
+{
+    write(a);
+    write(b);
+    write(c);
+    write(d);
+}
+
+void Thermal::write(uint8_t a)
+{
+    putc(a);
+}
+
+void Thermal::delay(uint8_t a)
+{
+    wait(a);
+}
+
+void Thermal::inverseOn()
+
+{
+    writeBytes(29, 'B', 1);
+}
+
+void Thermal::inverseOff()
+
+{
+    writeBytes(29, 'B', 0, 10);
+}
+
+void Thermal::doubleHeightOn()
+
+{
+    writeBytes(27, 14);
+}
+
+void Thermal::doubleHeightOff()
+
+{
+    writeBytes(27, 20);
+}
+
+void Thermal::boldOn()
+
+{
+    writeBytes(27, 69, 1);
+}
+
+void Thermal::boldOff()
+
+{
+    writeBytes(27, 69, 0);
+    if (linefeedneeded)
+        feed();
+
+    linefeedneeded = false;
+}
+
+void Thermal::justify(char value)
+
+{
+    uint8_t pos = 0;
+
+
+    if(value == 'l' || value == 'L') pos = 0;
+    if(value == 'c' || value == 'C') pos = 1;
+    if(value == 'r' || value == 'R') pos = 2;
+  
+    writeBytes(0x1B, 0x61, pos);
+}
+
+void Thermal::feed(uint8_t x)
+
+{
+    while (x--)
+        write(10);
+}
+
+void Thermal::setSize(char value)
+
+{
+    int size = 0;
+
+
+    if(value == 's' || value == 'S') size = 0;
+    if(value == 'm' || value == 'M') size = 10;
+    if(value == 'l' || value == 'L') size = 25;
+  
+    writeBytes(29, 33, size, 10);
+    // if (linefeedneeded)
+    //  println("lfn"); //feed();
+    //linefeedneeded = false;
+}
+
+void Thermal::underlineOff()
+
+{
+    writeBytes(27, 45, 0, 10);
+}
+
+
+void Thermal::underlineOn()
+
+{
+    writeBytes(27, 45, 1);
+}
+
+void Thermal::printBitmap(uint8_t w, uint8_t h,  const uint8_t *bitmap)
+
+{
+    writeBytes(18, 42, h, w/8);
+    for (uint16_t i=0; i<(w/8) * h; i++) {
+        //write(pgm_read_byte(bitmap + i));
+        write(*(bitmap + i));
+    }
+}
+
+void Thermal::wake()
+
+{
+    writeBytes(27, 61, 1);
+}
+
+void Thermal::sleep()
+
+{
+        writeBytes(27, 61, 0);
+}
+
+////////////////////// not working?
+void Thermal::tab()
+
+{
+    write(9);
+}
+
+
+void Thermal::setCharSpacing(int spacing)
+
+{
+    writeBytes(27, 32, 0, 10);
+}
+
+
+void Thermal::setLineHeight(int val)
+
+{
+    writeBytes(27, 51, val); // default is 32
+}
+
+
+
+void Thermal::setHeatTime(int vHeatTime)
+
+{
+
+    heatTime = vHeatTime;
+
+    write(27);
+
+    write(55);
+
+    write(7); //Default 64 dots = 8*('7'+1)
+
+    write(heatTime); //Default 80 or 800us
+
+    write(heatInterval); //Default 2 or 20us    
+
+}
+
+
+
+void Thermal::setHeatInterval(int vHeatInterval)
+
+{
+
+    heatInterval = vHeatInterval;
+
+    write(27);
+
+    write(55);
+
+    write(7); //Default 64 dots = 8*('7'+1)
+
+    write(heatTime); //Default 80 or 800us
+
+    write(heatInterval); //Default 2 or 20us    
+
+}
+
+
+
+void Thermal::setPrintDensity(char vPrintDensity)
+
+{
+
+    //Modify the print density and timeout
+
+    printDensity = vPrintDensity;
+
+    write(18);
+
+    write(35);
+
+      int printSetting = (printDensity<<4) | printBreakTime;
+
+    write(printSetting); //Combination of printDensity and printBreakTime
+
+}
+
+
+
+void Thermal::setPrintBreakTime(char vPrintBreakTime)
+
+{
+
+    //Modify the print density and timeout
+
+    printBreakTime = vPrintBreakTime;
+
+    write(18);
+
+    write(35);
+
+      int printSetting = (printDensity<<4) | printBreakTime;
+
+    write(printSetting); //Combination of printDensity and printBreakTime
+
+}
+
diff -r 000000000000 -r fd2be7a1b59f Thermal.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Thermal.h	Wed Jul 18 12:58:53 2012 +0000
@@ -0,0 +1,111 @@
+/*
+ Copyright (c) 2010 bildr community
+ Ported to mbed by mimilowns
+
+ 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 Thermal_h
+#define Thermal_h
+
+#include "mbed.h"
+
+
+
+class Thermal : public Serial
+
+{
+
+  public:
+    Thermal(PinName tx, PinName rx, int baud = 9600);
+    
+    void setDefault();
+    void test();
+
+
+
+    void inverseOn();
+    void inverseOff();
+    void doubleHeightOn();
+    void doubleHeightOff();
+    void boldOn();
+    void boldOff();
+    void underlineOn();
+    void underlineOff();
+
+
+
+    void justify(char value);
+    void feed(uint8_t x = 1);
+    void sleep();
+    void wake();
+
+
+
+    void setCharSpacing(int spacing);
+    void setSize(char value);
+    void setLineHeight(int val = 32);
+
+
+
+    void printBarcode(char * text);
+    void printFancyBarcode(char * text);
+    void setBarcodeHeight(int val);
+
+
+
+    void printBitmap(uint8_t w, uint8_t h,  const uint8_t *bitmap);
+
+    // ??
+    void tab();
+
+
+
+    void setHeatTime(int vHeatTime);
+
+    void setHeatInterval(int vHeatInterval);
+
+    void setPrintDensity(char vPrintDensity);
+
+    void setPrintBreakTime(char vPrintBreakTime);
+
+    
+  private:
+    bool linefeedneeded;
+
+
+    // little helpers to make code easier to read&use
+    void writeBytes(uint8_t a, uint8_t b);
+    void writeBytes(uint8_t a, uint8_t b, uint8_t c);
+    void writeBytes(uint8_t a, uint8_t b, uint8_t c, uint8_t d);
+    
+    // port from arduino serial to mbed serial
+    void write(uint8_t a);
+    void delay(uint8_t a);
+
+    int zero;
+
+
+    int heatTime;
+    int heatInterval;
+    char printDensity;
+    char printBreakTime;
+};
+
+#endif