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Add tag for the 120219 release.
[pub/USBasp.git]
/
Projects
/
AVRISP-MKII
/
Lib
/
XPROG
/
XPROGTarget.c
diff --git
a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
index
5d59f7f
..
b50ffbd
100644
(file)
--- a/
Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
+++ b/
Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
@@
-1,13
+1,13
@@
/*
LUFA Library
/*
LUFA Library
- Copyright (C) Dean Camera, 201
0
.
+ Copyright (C) Dean Camera, 201
2
.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 201
0
Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 201
2
Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
@@
-39,7
+39,7
@@
#if defined(ENABLE_XPROG_PROTOCOL) || defined(__DOXYGEN__)
/** Flag to indicate if the USART is currently in Tx or Rx mode. */
#if defined(ENABLE_XPROG_PROTOCOL) || defined(__DOXYGEN__)
/** Flag to indicate if the USART is currently in Tx or Rx mode. */
-
volatile
bool IsSending;
+bool IsSending;
/** Enables the target's PDI interface, holding the target in reset until PDI mode is exited. */
void XPROGTarget_EnableTargetPDI(void)
/** Enables the target's PDI interface, holding the target in reset until PDI mode is exited. */
void XPROGTarget_EnableTargetPDI(void)
@@
-55,13
+55,13
@@
void XPROGTarget_EnableTargetPDI(void)
_delay_us(1);
/* Set up the synchronous USART for XMEGA communications - 8 data bits, even parity, 2 stop bits */
_delay_us(1);
/* Set up the synchronous USART for XMEGA communications - 8 data bits, even parity, 2 stop bits */
- UBRR1 = (
F_CPU / XPROG_HARDWARE_SPEED
);
+ UBRR1 = (
(F_CPU / 2 / XPROG_HARDWARE_SPEED) - 1
);
UCSR1B = (1 << TXEN1);
UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);
UCSR1B = (1 << TXEN1);
UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);
- /* Send two
BREAK
s of 12 bits each to enable PDI interface (need at least 16 idle bits) */
- XPROGTarget_Send
Break
();
- XPROGTarget_Send
Break
();
+ /* Send two
IDLE
s of 12 bits each to enable PDI interface (need at least 16 idle bits) */
+ XPROGTarget_Send
Idle
();
+ XPROGTarget_Send
Idle
();
}
/** Enables the target's TPI interface, holding the target in reset until TPI mode is exited. */
}
/** Enables the target's TPI interface, holding the target in reset until TPI mode is exited. */
@@
-83,16
+83,17
@@
void XPROGTarget_EnableTargetTPI(void)
UCSR1B = (1 << TXEN1);
UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);
UCSR1B = (1 << TXEN1);
UCSR1C = (1 << UMSEL10) | (1 << UPM11) | (1 << USBS1) | (1 << UCSZ11) | (1 << UCSZ10) | (1 << UCPOL1);
- /* Send two
BREAK
s of 12 bits each to enable TPI interface (need at least 16 idle bits) */
- XPROGTarget_Send
Break
();
- XPROGTarget_Send
Break
();
+ /* Send two
IDLE
s of 12 bits each to enable TPI interface (need at least 16 idle bits) */
+ XPROGTarget_Send
Idle
();
+ XPROGTarget_Send
Idle
();
}
/** Disables the target's PDI interface, exits programming mode and starts the target's application. */
void XPROGTarget_DisableTargetPDI(void)
{
/* Switch to Rx mode to ensure that all pending transmissions are complete */
}
/** Disables the target's PDI interface, exits programming mode and starts the target's application. */
void XPROGTarget_DisableTargetPDI(void)
{
/* Switch to Rx mode to ensure that all pending transmissions are complete */
- XPROGTarget_SetRxMode();
+ if (IsSending)
+ XPROGTarget_SetRxMode();
/* Turn off receiver and transmitter of the USART, clear settings */
UCSR1A = ((1 << TXC1) | (1 << RXC1));
/* Turn off receiver and transmitter of the USART, clear settings */
UCSR1A = ((1 << TXC1) | (1 << RXC1));
@@
-108,14
+109,15
@@
void XPROGTarget_DisableTargetPDI(void)
void XPROGTarget_DisableTargetTPI(void)
{
/* Switch to Rx mode to ensure that all pending transmissions are complete */
void XPROGTarget_DisableTargetTPI(void)
{
/* Switch to Rx mode to ensure that all pending transmissions are complete */
- XPROGTarget_SetRxMode();
+ if (IsSending)
+ XPROGTarget_SetRxMode();
/* Turn off receiver and transmitter of the USART, clear settings */
UCSR1A |= (1 << TXC1) | (1 << RXC1);
UCSR1B = 0;
UCSR1C = 0;
/* Turn off receiver and transmitter of the USART, clear settings */
UCSR1A |= (1 << TXC1) | (1 << RXC1);
UCSR1B = 0;
UCSR1C = 0;
- /* Set all USART lines as input, tristate */
+ /* Set all USART lines as input
s
, tristate */
DDRD &= ~((1 << 5) | (1 << 3));
PORTD &= ~((1 << 5) | (1 << 3) | (1 << 2));
DDRD &= ~((1 << 5) | (1 << 3));
PORTD &= ~((1 << 5) | (1 << 3) | (1 << 2));
@@
-140,7
+142,7
@@
void XPROGTarget_SendByte(const uint8_t Byte)
UDR1 = Byte;
}
UDR1 = Byte;
}
-/** Receives a byte via the
software USART, blocking until data is receiv
ed.
+/** Receives a byte via the
hardware USART, blocking until data is received or timeout expir
ed.
*
* \return Received byte from the USART
*/
*
* \return Received byte from the USART
*/
@@
-151,24
+153,25
@@
uint8_t XPROGTarget_ReceiveByte(void)
XPROGTarget_SetRxMode();
/* Wait until a byte has been received before reading */
XPROGTarget_SetRxMode();
/* Wait until a byte has been received before reading */
- while (!(UCSR1A & (1 << RXC1)) &&
TimeoutTicksRemaining
);
+ while (!(UCSR1A & (1 << RXC1)) &&
!(TimeoutExpired)
);
return UDR1;
}
return UDR1;
}
-/** Sends a
BREAK
via the USART to the attached target, consisting of a full frame of idle bits. */
-void XPROGTarget_Send
Break
(void)
+/** Sends a
n IDLE
via the USART to the attached target, consisting of a full frame of idle bits. */
+void XPROGTarget_Send
Idle
(void)
{
/* Switch to Tx mode if currently in Rx mode */
if (!(IsSending))
XPROGTarget_SetTxMode();
{
/* Switch to Tx mode if currently in Rx mode */
if (!(IsSending))
XPROGTarget_SetTxMode();
- /* Need to do nothing for a full frame to send a
BREAK
*/
+ /* Need to do nothing for a full frame to send a
n IDLE
*/
for (uint8_t i = 0; i < BITS_IN_USART_FRAME; i++)
{
/* Wait for a full cycle of the clock */
while (PIND & (1 << 5));
while (!(PIND & (1 << 5)));
for (uint8_t i = 0; i < BITS_IN_USART_FRAME; i++)
{
/* Wait for a full cycle of the clock */
while (PIND & (1 << 5));
while (!(PIND & (1 << 5)));
+ while (PIND & (1 << 5));
}
}
}
}
@@
-177,6
+180,7
@@
static void XPROGTarget_SetTxMode(void)
/* Wait for a full cycle of the clock */
while (PIND & (1 << 5));
while (!(PIND & (1 << 5)));
/* Wait for a full cycle of the clock */
while (PIND & (1 << 5));
while (!(PIND & (1 << 5)));
+ while (PIND & (1 << 5));
PORTD |= (1 << 3);
DDRD |= (1 << 3);
PORTD |= (1 << 3);
DDRD |= (1 << 3);