Andrew Lindsay
This is the Adafruit thermal printer, whose Arduino library is published here: http://www.ladyada.net/products/thermalprinter/. This is a basic port to mbed that needs proper testing. The first printBitmap function is implemented but not fully tested, the stream versions are not ported yet.
Dependents: SMS_LEDMatrixPrinter
Fork of
AdafruitThermalPrinter
by 
Ashley Mills
Revision 4:871ca02007be, committed 2013-01-18
- Comitter:
- SomeRandomBloke
- Date:
- Fri Jan 18 08:38:24 2013 +0000
- Parent:
- 3:0e12bed6b295
- Commit message:
- update
Changed in this revision
| AdafruitThermal.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/AdafruitThermal.cpp Wed Dec 05 10:00:33 2012 +0000
+++ b/AdafruitThermal.cpp Fri Jan 18 08:38:24 2013 +0000
@@ -42,15 +42,11 @@
LPC_UART_TypeDef *lpcUart;
-
+// look at http://mrkindustries.com.ar/files/titan-doxy-html/lpc17xx__uart_8c_source.html
AdafruitThermal::AdafruitThermal(PinName RX_Pin, PinName TX_Pin)
{
_RX_Pin = RX_Pin;
_TX_Pin = TX_Pin;
-// if( TX_Pin == p28 )
-// lpcUart = ((LPC_UART_TypeDef *)LPC_UART2_BASE);
-// else if( TX_Pin == p9 )
-// lpcUart = ((LPC_UART_TypeDef *)LPC_UART3_BASE);
}
void AdafruitThermal::begin(int heatTime)
@@ -58,6 +54,11 @@
_printer = new Serial(_RX_Pin, _TX_Pin);
_printer->baud(19200);
+// if( TX_Pin == p28 )
+ lpcUart = ((LPC_UART_TypeDef *)LPC_UART2_BASE);
+// else if( TX_Pin == p9 )
+// lpcUart = ((LPC_UART_TypeDef *)LPC_UART3_BASE);
+
// The printer can't start receiving data immediately
// upon power up -- needs a moment to initialize. If
// Arduino & printer are powered from the same supply,
@@ -154,16 +155,16 @@
void AdafruitThermal::directPutc( uint8_t c ) {
- do {
+/* do {
} while ((LPC_UART2->LSR & 0x20)==0) ;
//write character to UART
LPC_UART2->THR = c ;
-/*
+*/
do {
} while ((lpcUart->LSR & 0x20)==0) ;
//write character to UART
lpcUart->THR = c ;
-*/
+
}