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-rw-r--r--Projects/XPLAINBridge/Lib/LightweightRingBuff.h39
-rw-r--r--Projects/XPLAINBridge/Lib/SoftUART.c17
-rw-r--r--Projects/XPLAINBridge/Lib/SoftUART.h20
3 files changed, 39 insertions, 37 deletions
diff --git a/Projects/XPLAINBridge/Lib/LightweightRingBuff.h b/Projects/XPLAINBridge/Lib/LightweightRingBuff.h
index 768e49a50..2fbc164cb 100644
--- a/Projects/XPLAINBridge/Lib/LightweightRingBuff.h
+++ b/Projects/XPLAINBridge/Lib/LightweightRingBuff.h
@@ -1,7 +1,7 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
@@ -9,13 +9,13 @@
/*
Copyright 2010 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
- 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
- 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
@@ -39,20 +39,20 @@
* or deletions) must not overlap. If there is possibility of two or more of the same kind of
* operating occuring at the same point in time, atomic (mutex) locking should be used.
*/
-
+
#ifndef _ULW_RING_BUFF_H_
#define _ULW_RING_BUFF_H_
/* Includes: */
#include <util/atomic.h>
-
+
#include <stdint.h>
#include <stdbool.h>
/* Defines: */
/** Size of each ring buffer, in data elements - must be between 1 and 255. */
#define BUFFER_SIZE 255
-
+
/** Type of data to store into the buffer. */
#define RingBuff_Data_t uint8_t
@@ -76,7 +76,7 @@
RingBuff_Data_t* Out; /**< Current retrieval location in the circular buffer */
RingBuff_Count_t Count;
} RingBuff_t;
-
+
/* Inline Functions: */
/** Initializes a ring buffer ready for use. Buffers must be initialized via this function
* before any operations are called upon them. Already initialized buffers may be reset
@@ -92,7 +92,7 @@
Buffer->Out = Buffer->Buffer;
}
}
-
+
/** Retrieves the minimum number of bytes stored in a particular buffer. This value is computed
* by entering an atomic lock on the buffer while the IN and OUT locations are fetched, so that
* the buffer cannot be modified while the computation takes place. This value should be cached
@@ -109,15 +109,15 @@
static inline RingBuff_Count_t RingBuffer_GetCount(RingBuff_t* const Buffer)
{
RingBuff_Count_t Count;
-
+
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
Count = Buffer->Count;
}
-
+
return Count;
}
-
+
/** Atomically determines if the specified ring buffer contains any free space. This should
* be tested before storing data to the buffer, to ensure that no data is lost due to a
* buffer overrun.
@@ -125,7 +125,7 @@
* \param[in,out] Buffer Pointer to a ring buffer structure to insert into
*
* \return Boolean true if the buffer contains no free space, false otherwise
- */
+ */
static inline bool RingBuffer_IsFull(RingBuff_t* const Buffer)
{
return (RingBuffer_GetCount(Buffer) == BUFFER_SIZE);
@@ -142,7 +142,7 @@
* \param[in,out] Buffer Pointer to a ring buffer structure to insert into
*
* \return Boolean true if the buffer contains no free space, false otherwise
- */
+ */
static inline bool RingBuffer_IsEmpty(RingBuff_t* const Buffer)
{
return (RingBuffer_GetCount(Buffer) == 0);
@@ -161,7 +161,7 @@
const RingBuff_Data_t Data)
{
*Buffer->In = Data;
-
+
if (++Buffer->In == &Buffer->Buffer[BUFFER_SIZE])
Buffer->In = Buffer->Buffer;
@@ -184,7 +184,7 @@
static inline RingBuff_Data_t RingBuffer_Remove(RingBuff_t* const Buffer)
{
RingBuff_Data_t Data = *Buffer->Out;
-
+
if (++Buffer->Out == &Buffer->Buffer[BUFFER_SIZE])
Buffer->Out = Buffer->Buffer;
@@ -192,8 +192,9 @@
{
Buffer->Count--;
}
-
+
return Data;
}
#endif
+
diff --git a/Projects/XPLAINBridge/Lib/SoftUART.c b/Projects/XPLAINBridge/Lib/SoftUART.c
index 12fdf96bc..00bb38320 100644
--- a/Projects/XPLAINBridge/Lib/SoftUART.c
+++ b/Projects/XPLAINBridge/Lib/SoftUART.c
@@ -1,7 +1,7 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
@@ -11,13 +11,13 @@
Copyright 2010 Peter Danneger
Copyright 2010 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
- 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
- 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
@@ -79,7 +79,7 @@ ISR(INT0_vect, ISR_BLOCK)
{
/* Reset the number of reception bits remaining counter */
RX_BitsRemaining = 8;
-
+
/* Reset the bit reception timer */
TCNT1 = 0;
@@ -120,7 +120,7 @@ ISR(TIMER1_CAPT_vect, ISR_BLOCK)
/* Reception complete, store the received byte if stop bit valid */
if (SRX_Cached)
- RingBuffer_Insert(&XMEGAtoUSB_Buffer, RX_Data);
+ RingBuffer_Insert(&XMEGAtoUSB_Buffer, RX_Data);
}
}
@@ -150,3 +150,4 @@ ISR(TIMER3_CAPT_vect, ISR_BLOCK)
TX_BitsRemaining = 9;
}
}
+
diff --git a/Projects/XPLAINBridge/Lib/SoftUART.h b/Projects/XPLAINBridge/Lib/SoftUART.h
index 923631b50..9dd81ad35 100644
--- a/Projects/XPLAINBridge/Lib/SoftUART.h
+++ b/Projects/XPLAINBridge/Lib/SoftUART.h
@@ -1,7 +1,7 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
@@ -11,13 +11,13 @@
Copyright 2010 Peter Danneger
Copyright 2010 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
- 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
- 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
@@ -42,7 +42,7 @@
#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdbool.h>
-
+
#include "../XPLAINBridge.h"
#include "LightweightRingBuff.h"
@@ -55,11 +55,11 @@
#define STXPORT PORTD
#define STXDDR DDRD
- /* Inline Functions: */
+ /* Inline Functions: */
static inline void SoftUART_SetBaud(const uint32_t Baud)
{
uint16_t BitTime = ((F_CPU / Baud) - 1);
-
+
ICR1 = BitTime;
ICR3 = BitTime;
}
@@ -67,4 +67,4 @@
/* Function Prototypes: */
void SoftUART_Init(void);
-#endif \ No newline at end of file
+#endif