diff options
Diffstat (limited to 'Projects/AVRISP-MKII')
-rw-r--r-- | Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c | 14 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/Timeout.S | 23 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/V2Protocol.c | 8 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/V2Protocol.h | 44 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c | 14 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c | 14 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c | 58 | ||||
-rw-r--r-- | Projects/AVRISP-MKII/makefile | 2 |
8 files changed, 62 insertions, 115 deletions
diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c index 94f1c3d74..1c5376579 100644 --- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c +++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c @@ -124,13 +124,6 @@ uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode, const uint1 case PROG_MODE_PAGED_VALUE_MASK:
do
{
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
-
SPI_SendByte(ReadMemCommand);
SPI_SendByte(PollAddress >> 8);
SPI_SendByte(PollAddress & 0xFF);
@@ -162,13 +155,6 @@ uint8_t ISPTarget_WaitWhileTargetBusy(void) {
do
{
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
-
SPI_SendByte(0xF0);
SPI_SendByte(0x00);
SPI_SendByte(0x00);
diff --git a/Projects/AVRISP-MKII/Lib/Timeout.S b/Projects/AVRISP-MKII/Lib/Timeout.S new file mode 100644 index 000000000..ad56d1d21 --- /dev/null +++ b/Projects/AVRISP-MKII/Lib/Timeout.S @@ -0,0 +1,23 @@ +#include <avr/io.h>
+#include "V2Protocol.h"
+
+.global TIMER0_COMPA_vect
+TIMER0_COMPA_vect:
+ sei
+ push r24
+ in r24, 0x3f
+ push r24
+
+ in r24, TimeoutMSRemaining
+ and r24, r24
+ breq Epilogue
+ subi r24, 0x01
+ out TimeoutMSRemaining, r24
+
+Epilogue:
+ pop r24
+ out 0x3f, r24
+ pop r24
+ reti
+
+
\ No newline at end of file diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.c b/Projects/AVRISP-MKII/Lib/V2Protocol.c index 431f9c2d5..63b7294c0 100644 --- a/Projects/AVRISP-MKII/Lib/V2Protocol.c +++ b/Projects/AVRISP-MKII/Lib/V2Protocol.c @@ -42,6 +42,7 @@ uint32_t CurrentAddress; /** Flag to indicate that the next read/write operation must update the device's current address */
bool MustSetAddress;
+
/** Initializes the hardware and software associated with the V2 protocol command handling. */
void V2Protocol_Init(void)
{
@@ -55,7 +56,7 @@ void V2Protocol_Init(void) /* Millisecond timer initialization for managing the command timeout counter */
OCR0A = ((F_CPU / 64) / 1000);
TCCR0A = (1 << WGM01);
- TCCR0B = ((1 << CS01) | (1 << CS00));
+ TIMSK0 = (1 << OCIE0A);
V2Params_LoadNonVolatileParamValues();
}
@@ -68,7 +69,9 @@ void V2Protocol_ProcessCommand(void) {
uint8_t V2Command = Endpoint_Read_Byte();
+ /* Start the timeout management timer */
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
+ TCCR0B = ((1 << CS01) | (1 << CS00));
switch (V2Command)
{
@@ -129,6 +132,9 @@ void V2Protocol_ProcessCommand(void) V2Protocol_UnknownCommand(V2Command);
break;
}
+
+ /* Disable the timeout management timer */
+ TCCR0B = 0;
Endpoint_WaitUntilReady();
Endpoint_SelectEndpoint(AVRISP_DATA_OUT_EPNUM);
diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.h b/Projects/AVRISP-MKII/Lib/V2Protocol.h index 43dee1e77..7ad896da8 100644 --- a/Projects/AVRISP-MKII/Lib/V2Protocol.h +++ b/Projects/AVRISP-MKII/Lib/V2Protocol.h @@ -37,14 +37,16 @@ #define _V2_PROTOCOL_
/* Includes: */
- #include <LUFA/Drivers/USB/USB.h>
- #include <LUFA/Drivers/Peripheral/SPI.h>
-
- #include "../Descriptors.h"
- #include "V2ProtocolConstants.h"
- #include "V2ProtocolParams.h"
- #include "ISP/ISPProtocol.h"
- #include "XPROG/XPROGProtocol.h"
+ #if !defined(__ASSEMBLER__)
+ #include <LUFA/Drivers/USB/USB.h>
+ #include <LUFA/Drivers/Peripheral/SPI.h>
+
+ #include "../Descriptors.h"
+ #include "V2ProtocolConstants.h"
+ #include "V2ProtocolParams.h"
+ #include "ISP/ISPProtocol.h"
+ #include "XPROG/XPROGProtocol.h"
+ #endif
/* Preprocessor Checks: */
#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
@@ -80,19 +82,23 @@ #endif
/* External Variables: */
- extern uint32_t CurrentAddress;
- extern bool MustSetAddress;
+ #if !defined(__ASSEMBLER__)
+ extern uint32_t CurrentAddress;
+ extern bool MustSetAddress;
+ #endif
/* Function Prototypes: */
- void V2Protocol_Init(void);
- void V2Protocol_ProcessCommand(void);
-
- #if defined(INCLUDE_FROM_V2PROTOCOL_C)
- static void V2Protocol_UnknownCommand(const uint8_t V2Command);
- static void V2Protocol_SignOn(void);
- static void V2Protocol_GetSetParam(const uint8_t V2Command);
- static void V2Protocol_ResetProtection(void);
- static void V2Protocol_LoadAddress(void);
+ #if !defined(__ASSEMBLER__)
+ void V2Protocol_Init(void);
+ void V2Protocol_ProcessCommand(void);
+
+ #if defined(INCLUDE_FROM_V2PROTOCOL_C)
+ static void V2Protocol_UnknownCommand(const uint8_t V2Command);
+ static void V2Protocol_SignOn(void);
+ static void V2Protocol_GetSetParam(const uint8_t V2Command);
+ static void V2Protocol_ResetProtection(void);
+ static void V2Protocol_LoadAddress(void);
+ #endif
#endif
#endif
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c index acd6b651c..817f22347 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c @@ -94,13 +94,6 @@ bool TINYNVM_WaitWhileNVMBusBusy(void) TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
return true;
}
-
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
}
return false;
@@ -131,13 +124,6 @@ bool TINYNVM_WaitWhileNVMControllerBusy(void) TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
return true;
}
-
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
}
return false;
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c index b6b039aa8..1671d29ba 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c @@ -89,13 +89,6 @@ bool XMEGANVM_WaitWhileNVMBusBusy(void) TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
return true;
}
-
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
}
return false;
@@ -127,13 +120,6 @@ bool XMEGANVM_WaitWhileNVMControllerBusy(void) TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
return true;
}
-
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
}
return false;
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c index e75adbe10..228a89546 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c @@ -328,15 +328,7 @@ uint8_t XPROGTarget_ReceiveByte(void) #if defined(XPROG_VIA_HARDWARE_USART)
/* Wait until a byte has been received before reading */
- while (!(UCSR1A & (1 << RXC1)) && TimeoutMSRemaining)
- {
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
- }
+ while (!(UCSR1A & (1 << RXC1)) && TimeoutMSRemaining);
if (TimeoutMSRemaining)
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
@@ -345,15 +337,7 @@ uint8_t XPROGTarget_ReceiveByte(void) #else
/* Wait until a byte has been received before reading */
SoftUSART_BitCount = BITS_IN_USART_FRAME;
- while (SoftUSART_BitCount && TimeoutMSRemaining)
- {
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
- }
+ while (SoftUSART_BitCount && TimeoutMSRemaining);
if (TimeoutMSRemaining)
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
@@ -402,14 +386,7 @@ static void XPROGTarget_SetTxMode(void) IsSending = true;
#else
- while (SoftUSART_BitCount && TimeoutMSRemaining)
- {
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
- }
+ while (SoftUSART_BitCount && TimeoutMSRemaining);
/* Wait for a full cycle of the clock */
SoftUSART_Data = 0x0001;
@@ -443,14 +420,7 @@ static void XPROGTarget_SetRxMode(void) DDRD &= ~(1 << 3);
PORTD &= ~(1 << 3);
#else
- while (SoftUSART_BitCount && TimeoutMSRemaining)
- {
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
- }
+ while (SoftUSART_BitCount && TimeoutMSRemaining);
if (XPROG_SelectedProtocol == XPRG_PROTOCOL_PDI)
{
@@ -458,15 +428,7 @@ static void XPROGTarget_SetRxMode(void) BITBANG_PDIDATA_PORT &= ~BITBANG_PDIDATA_MASK;
/* Wait until DATA line has been pulled up to idle by the target */
- while (!(BITBANG_PDIDATA_PIN & BITBANG_PDIDATA_MASK) && TimeoutMSRemaining)
- {
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
- }
+ while (!(BITBANG_PDIDATA_PIN & BITBANG_PDIDATA_MASK) && TimeoutMSRemaining);
}
else
{
@@ -474,15 +436,7 @@ static void XPROGTarget_SetRxMode(void) BITBANG_TPIDATA_PORT &= ~BITBANG_TPIDATA_MASK;
/* Wait until DATA line has been pulled up to idle by the target */
- while (!(BITBANG_TPIDATA_PIN & BITBANG_TPIDATA_MASK) && TimeoutMSRemaining)
- {
- /* Manage software timeout */
- if (TIFR0 & (1 << OCF0A))
- {
- TIFR0 |= (1 << OCF0A);
- TimeoutMSRemaining--;
- }
- }
+ while (!(BITBANG_TPIDATA_PIN & BITBANG_TPIDATA_MASK) && TimeoutMSRemaining);
}
#endif
diff --git a/Projects/AVRISP-MKII/makefile b/Projects/AVRISP-MKII/makefile index 004a10837..cbc46ce50 100644 --- a/Projects/AVRISP-MKII/makefile +++ b/Projects/AVRISP-MKII/makefile @@ -157,7 +157,7 @@ CPPSRC = # Even though the DOS/Win* filesystem matches both .s and .S the same,
# it will preserve the spelling of the filenames, and gcc itself does
# care about how the name is spelled on its command-line.
-ASRC =
+ASRC = Lib/Timeout.S
# Optimization level, can be [0, 1, 2, 3, s].
|