Updated John Steggall's software USART in the XPLAINBridge project.

[pub/lufa.git] / Projects / XPLAINBridge / Lib / SoftUARTConf.h

diff --git a/Projects/XPLAINBridge/Lib/SoftUARTConf.h b/Projects/XPLAINBridge/Lib/SoftUARTConf.h
new file mode 100644 (file)
index 0000000..bd12802
--- /dev/null
+++ b/Projects/XPLAINBridge/Lib/SoftUARTConf.h
@@ -0,0 +1,75 @@
+/*\r
+\r
+       soft_uart\r
+\r
+       v0.2\r
+\r
+       Copyright John Steggall 2009\r
+\r
+*/\r
+\r
+/*\r
+  Copyright 2009  John Steggall (steggall.j@gmail.com)\r
+\r
+  Permission to use, copy, modify, and distribute this software\r
+  and its documentation for any purpose and without fee is hereby\r
+  granted, provided that the above copyright notice appear in all\r
+  copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting\r
+  documentation, and that the name of the author not be used in\r
+  advertising or publicity pertaining to distribution of the\r
+  software without specific, written prior permission.\r
+\r
+  The author disclaim all warranties with regard to this\r
+  software, including all implied warranties of merchantability\r
+  and fitness.  In no event shall the author be liable for any\r
+  special, indirect or consequential damages or any damages\r
+  whatsoever resulting from loss of use, data or profits, whether\r
+  in an action of contract, negligence or other tortious action,\r
+  arising out of or in connection with the use or performance of\r
+  this software.\r
+*/\r
+\r
+#ifndef UART_SOFT_CONF\r
+#define UART_SOFT_CONF\r
+\r
+       #define BITLENGTH 833                                           // Length of data bit, worked out by F_CPU/desired baud\r
+\r
+       #define TXPIN 1                                                         // Port pin TX is connected to\r
+       #define RXPIN 0                                                         // Port pin RX is connected to\r
+\r
+       /* PORT setup */\r
+       #define RXPORT                  0x09                            // RX port selection\r
+       #define TXPORT          0x0B                                    // TX port selection\r
+       #define TXDIR_REG               0x0A                            // Data direction port for TX pin\r
+\r
+       /* RX pin setup */\r
+       #define EXTI_FLAG_REG   0x1C\r
+       #define EXTI_MASK_REG   0x1D\r
+       #define EXTI_MASK_BIT   0\r
+\r
+       #define RX_PIN_INT              INT0_vect                       // external interrupt vector for RX pin\r
+       #define RX_INT_vect             TIMER3_COMPC_vect       // interrupt vector for OCRnC\r
+       #define TX_INT_vect             TIMER3_COMPB_vect       // interrupt vector for OCRnB\r
+\r
+       #define TC_INT_MASK_REG TIMSK3                          // interrupt timer mask register for timer(n)\r
+       #define TC_COUNTL               TCNT3L                          // count high register for timer(n)\r
+       #define TC_COUNTH               TCNT3H                          // count low register for timer(n)\r
+\r
+       /* Reciever setup */\r
+       #define TC_RX_COMPEN    OCIE3C                          // interrupt enable for OCRnC (RX bit timer)\r
+       #define TC_RX_COMPH             OCR3CH                          // OCRnC compare match high register\r
+       #define TC_RX_COMPL             OCR3CL                          // OCRnC compare match high register\r
+\r
+       /* Transmitter setup */\r
+       #define TC_TX_COMPEN    OCIE3B                          // interrupt enable for OCRnB (TX bit timer)\r
+       #define TC_TX_COMPH             OCR3BH                          // OCRnB compare match high register\r
+       #define TC_TX_COMPL             OCR3BL                          // OCRnB compare match low register\r
+\r
+       #define TC_CTRLB                TCCR3B                          // timer(n) control register B\r
+\r
+       #define TC_INTFLAG_REG  0x18                            // timer(n) interupt flag register\r
+       #define TC_TX_IF_BIT    OCIE3B                          // timer(n) interrupt flag bit for OCRnB\r
+       #define TC_RX_IF_BIT    OCIE3C                          // timer(n) interrupt flag bit for OCRnC\r
+\r
+#endif\r