Fixed programming errors in the AVRISP-MKII project when the programming packet is...

[pub/USBasp.git] / Projects / XPLAINBridge / Lib / SoftUART.c

diff --git a/Projects/XPLAINBridge/Lib/SoftUART.c b/Projects/XPLAINBridge/Lib/SoftUART.c
index 4ec8dcd..1da2236 100644 (file)
--- a/Projects/XPLAINBridge/Lib/SoftUART.c
+++ b/Projects/XPLAINBridge/Lib/SoftUART.c
@@ -1,23 +1,23 @@
 /*
 /*

-                        LUFA Library
-        Copyright (C) Dean Camera, 2010.
-                         
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+

   dean [at] fourwalledcubicle [dot] com
   dean [at] fourwalledcubicle [dot] com

-         www.fourwalledcubicle.com
+           www.lufa-lib.org

 */
 
 /*
   Copyright 2010  David Prentice (david.prentice [at] farming [dot] uk)
   Copyright 2010  Peter Danneger
 */
 
 /*
   Copyright 2010  David Prentice (david.prentice [at] farming [dot] uk)
   Copyright 2010  Peter Danneger

-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)

 
 

-  Permission to use, copy, modify, distribute, and sell this 
+  Permission to use, copy, modify, distribute, and sell this

   software and its documentation for any purpose is hereby granted
   software and its documentation for any purpose is hereby granted

-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in

   all copies and that both that the copyright notice and this
   all copies and that both that the copyright notice and this

-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the

   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this


@@ -51,7 +51,7 @@ static uint8_t RX_BitsRemaining;
 /** Temporary data variable to hold the byte being received as it is shifted in */
 static uint8_t RX_Data;
 
 /** Temporary data variable to hold the byte being received as it is shifted in */
 static uint8_t RX_Data;
 

-/** Initializes the software UART, ready for data transmission and reception into the global ring buffers. */
+/** Initialises the software UART, ready for data transmission and reception into the global ring buffers. */

 void SoftUART_Init(void)
 {
        /* Set TX pin to output high, enable RX pull-up */
 void SoftUART_Init(void)
 {
        /* Set TX pin to output high, enable RX pull-up */


@@ -63,12 +63,13 @@ void SoftUART_Init(void)
        EICRA  = (1 << ISC01);
        EIMSK  = (1 << INT0);
 
        EICRA  = (1 << ISC01);
        EIMSK  = (1 << INT0);
 

-       /* Set reception timer compare period and enable compare ISR */
-       OCR1A  = BIT_TIME;
+       /* Set the transmission and reception timer compare values for the default baud rate */
+       SoftUART_SetBaud(9600);
+
+       /* Setup reception timer compare ISR */

        TIMSK1 = (1 << OCIE1A);
 
        TIMSK1 = (1 << OCIE1A);
 

-       /* Set transmission timer compare period, enable compare ISR and start the timer */
-       OCR3A  = BIT_TIME;
+       /* Setup transmission timer compare ISR and start the timer */

        TIMSK3 = (1 << OCIE3A);
        TCCR3B = ((1 << CS30) | (1 << WGM32));
 }
        TIMSK3 = (1 << OCIE3A);
        TCCR3B = ((1 << CS30) | (1 << WGM32));
 }


@@ -78,7 +79,7 @@ ISR(INT0_vect, ISR_BLOCK)
 {
        /* Reset the number of reception bits remaining counter */
        RX_BitsRemaining = 8;
 {
        /* Reset the number of reception bits remaining counter */
        RX_BitsRemaining = 8;

-       
+

        /* Reset the bit reception timer */
        TCNT1 = 0;
 
        /* Reset the bit reception timer */
        TCNT1 = 0;
 


@@ -119,7 +120,7 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
 
                /* Reception complete, store the received byte if stop bit valid */
                if (SRX_Cached)
 
                /* Reception complete, store the received byte if stop bit valid */
                if (SRX_Cached)

-                 RingBuffer_Insert(&UARTtoUSB_Buffer, RX_Data);        
+                 RingBuffer_Insert(&UARTtoUSB_Buffer, RX_Data);

        }
 }
 
        }
 }
 


@@ -139,7 +140,7 @@ ISR(TIMER3_COMPA_vect, ISR_BLOCK)
                TX_Data >>= 1;
                TX_BitsRemaining--;
        }
                TX_Data >>= 1;
                TX_BitsRemaining--;
        }

-       else if (USBtoUART_Buffer.Count && !(RX_BitsRemaining))
+       else if (!(RX_BitsRemaining) && !(RingBuffer_IsEmpty(&USBtoUART_Buffer)))

        {
                /* Start bit - TX line low */
                STXPORT &= ~(1 << STX);
        {
                /* Start bit - TX line low */
                STXPORT &= ~(1 << STX);


@@ -149,3 +150,4 @@ ISR(TIMER3_COMPA_vect, ISR_BLOCK)
                TX_BitsRemaining = 9;
        }
 }
                TX_BitsRemaining = 9;
        }
 }

+