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Fix endianness of LOAD_ADDRESS command data, add correct PROGRAM_FLASH_ISP/PROGRAM_EEPROM_ISP polling and endpoint bank clearing, add hardware delays/timeouts to the V2 Protocol handler in the AVRISP project.

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This commit is contained in:
Dean Camera 2009-08-24 13:39:47 +00:00
parent 8cb8f1cfdd
commit f070902bdb
4 changed files with 42 additions and 36 deletions
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58
Projects/Incomplete/AVRISP/Lib/V2Protocol.c
View File

@ -158,7 +158,7 @@ static void V2Protocol_Command_GetSetParam(uint8_t V2Command)
static void V2Protocol_Command_LoadAddress(void) static void V2Protocol_Command_LoadAddress(void)
{ {
Endpoint_Read_Stream_LE(&CurrentAddress, sizeof(CurrentAddress)); Endpoint_Read_Stream_BE(&CurrentAddress, sizeof(CurrentAddress));
Endpoint_ClearOUT(); Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
@ -282,14 +282,16 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
if (Write_Memory_Params.ProgrammingMode & PROG_MODE_PAGED_WRITES_MASK) if (Write_Memory_Params.ProgrammingMode & PROG_MODE_PAGED_WRITES_MASK)
{ {
uint16_t StartAddress = (CurrentAddress & 0xFFFF);
/* Paged mode memory programming */ /* Paged mode memory programming */
for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++) for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
{ {
bool IsOddByte = (CurrentByte & 0x01); bool IsOddByte = (CurrentByte & 0x01);
uint8_t ByteToWrite = Endpoint_Read_Byte(); uint8_t ByteToWrite = Endpoint_Read_Byte();
if ((V2Command == CMD_READ_FLASH_ISP) && IsOddByte) if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_ODD_BYTE_MASK; Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_HIGH_BYTE_MASK;
SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]); SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
SPI_SendByte(CurrentAddress >> 8); SPI_SendByte(CurrentAddress >> 8);
@ -298,10 +300,17 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
if (!(PollAddress) && (ByteToWrite != PollValue)) if (!(PollAddress) && (ByteToWrite != PollValue))
{ {
if (V2Command == CMD_PROGRAM_FLASH_ISP) if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
PollAddress = (((CurrentAddress & 0xFFFF) << 1) | IsOddByte); Write_Memory_Params.ProgrammingCommands[2] |= READ_WRITE_HIGH_BYTE_MASK;
else
PollAddress = (CurrentAddress & 0xFFFF); PollAddress = (CurrentAddress & 0xFFFF);
}
/* Check if the endpoint bank is currently empty */
if (!(Endpoint_IsReadWriteAllowed()))
{
Endpoint_ClearOUT();
Endpoint_WaitUntilReady();
} }
if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP)) if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP))
@ -312,8 +321,8 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
if (Write_Memory_Params.ProgrammingMode & PROG_MODE_COMMIT_PAGE_MASK) if (Write_Memory_Params.ProgrammingMode & PROG_MODE_COMMIT_PAGE_MASK)
{ {
SPI_SendByte(Write_Memory_Params.ProgrammingCommands[1]); SPI_SendByte(Write_Memory_Params.ProgrammingCommands[1]);
SPI_SendByte(CurrentAddress >> 8); SPI_SendByte(StartAddress >> 8);
SPI_SendByte(CurrentAddress & 0xFF); SPI_SendByte(StartAddress & 0xFF);
SPI_SendByte(0x00); SPI_SendByte(0x00);
/* Check if polling is possible, if not switch to timed delay mode */ /* Check if polling is possible, if not switch to timed delay mode */
@ -322,11 +331,10 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
Write_Memory_Params.ProgrammingMode &= ~PROG_MODE_PAGED_VALUE_MASK; Write_Memory_Params.ProgrammingMode &= ~PROG_MODE_PAGED_VALUE_MASK;
Write_Memory_Params.ProgrammingMode &= ~PROG_MODE_PAGED_TIMEDELAY_MASK; Write_Memory_Params.ProgrammingMode &= ~PROG_MODE_PAGED_TIMEDELAY_MASK;
} }
}
ProgrammingStatus = V2Protocol_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue, ProgrammingStatus = V2Protocol_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue,
Write_Memory_Params.DelayMS, (V2Command == CMD_READ_FLASH_ISP), Write_Memory_Params.DelayMS, Write_Memory_Params.ProgrammingCommands[2]);
Write_Memory_Params.ProgrammingCommands[2]); }
} }
else else
{ {
@ -336,8 +344,8 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
bool IsOddByte = (CurrentByte & 0x01); bool IsOddByte = (CurrentByte & 0x01);
uint8_t ByteToWrite = Endpoint_Read_Byte(); uint8_t ByteToWrite = Endpoint_Read_Byte();
if ((V2Command == CMD_READ_FLASH_ISP) && IsOddByte) if (IsOddByte && (V2Command == CMD_READ_FLASH_ISP))
Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_ODD_BYTE_MASK; Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_HIGH_BYTE_MASK;
SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]); SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
SPI_SendByte(CurrentAddress >> 8); SPI_SendByte(CurrentAddress >> 8);
@ -346,18 +354,24 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
if (ByteToWrite != PollValue) if (ByteToWrite != PollValue)
{ {
if (V2Command == CMD_PROGRAM_FLASH_ISP) if (IsOddByte && (V2Command == CMD_PROGRAM_FLASH_ISP))
PollAddress = (((CurrentAddress & 0xFFFF) << 1) | IsOddByte); Write_Memory_Params.ProgrammingCommands[2] |= READ_WRITE_HIGH_BYTE_MASK;
else
PollAddress = (CurrentAddress & 0xFFFF); PollAddress = (CurrentAddress & 0xFFFF);
}
/* Check if the endpoint bank is currently empty */
if (!(Endpoint_IsReadWriteAllowed()))
{
Endpoint_ClearOUT();
Endpoint_WaitUntilReady();
} }
if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP)) if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP))
CurrentAddress++; CurrentAddress++;
ProgrammingStatus = V2Protocol_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue, ProgrammingStatus = V2Protocol_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue,
Write_Memory_Params.DelayMS, (V2Command == CMD_READ_FLASH_ISP), Write_Memory_Params.DelayMS, Write_Memory_Params.ProgrammingCommands[2]);
Write_Memory_Params.ProgrammingCommands[2]);
if (ProgrammingStatus != STATUS_CMD_OK) if (ProgrammingStatus != STATUS_CMD_OK)
break; break;
@ -393,7 +407,7 @@ static void V2Protocol_Command_ReadMemory(uint8_t V2Command)
for (uint16_t CurrentByte = 0; CurrentByte < Read_Memory_Params.BytesToRead; CurrentByte++) for (uint16_t CurrentByte = 0; CurrentByte < Read_Memory_Params.BytesToRead; CurrentByte++)
{ {
if ((V2Command == CMD_READ_FLASH_ISP) && (CurrentByte & 0x01)) if ((V2Command == CMD_READ_FLASH_ISP) && (CurrentByte & 0x01))
Read_Memory_Params.ReadMemoryCommand ^= READ_WRITE_ODD_BYTE_MASK; Read_Memory_Params.ReadMemoryCommand ^= READ_WRITE_HIGH_BYTE_MASK;
SPI_SendByte(Read_Memory_Params.ReadMemoryCommand); SPI_SendByte(Read_Memory_Params.ReadMemoryCommand);
SPI_SendByte(CurrentAddress >> 8); SPI_SendByte(CurrentAddress >> 8);

2
Projects/Incomplete/AVRISP/Lib/V2Protocol.h
View File

@ -47,7 +47,7 @@
/* Macros: */ /* Macros: */
#define PROGRAMMER_ID "AVRISP_MK2" #define PROGRAMMER_ID "AVRISP_MK2"
#define READ_WRITE_ODD_BYTE_MASK (1 << 3) #define READ_WRITE_HIGH_BYTE_MASK (1 << 3)
#define PROG_MODE_PAGED_WRITES_MASK (1 << 0) #define PROG_MODE_PAGED_WRITES_MASK (1 << 0)
#define PROG_MODE_WORD_TIMEDELAY_MASK (1 << 1) #define PROG_MODE_WORD_TIMEDELAY_MASK (1 << 1)

14
Projects/Incomplete/AVRISP/Lib/V2ProtocolTarget.c
View File

@ -83,7 +83,7 @@ void V2Protocol_DelayMS(uint8_t MS)
} }
uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAddress, uint8_t PollValue, uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAddress, uint8_t PollValue,
uint8_t DelayMS, bool IsFlashMemory, uint8_t ReadMemCommand) uint8_t DelayMS, uint8_t ReadMemCommand)
{ {
uint8_t ProgrammingStatus = STATUS_CMD_OK; uint8_t ProgrammingStatus = STATUS_CMD_OK;
@ -96,12 +96,6 @@ uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAdd
break; break;
case PROG_MODE_WORD_VALUE_MASK: case PROG_MODE_WORD_VALUE_MASK:
case PROG_MODE_PAGED_VALUE_MASK: case PROG_MODE_PAGED_VALUE_MASK:
if (IsFlashMemory && (PollAddress & 0x01))
{
ReadMemCommand |= READ_WRITE_ODD_BYTE_MASK;
PollAddress >>= 1;
}
TCNT0 = 0; TCNT0 = 0;
do do
@ -119,6 +113,7 @@ uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAdd
case PROG_MODE_WORD_READYBUSY_MASK: case PROG_MODE_WORD_READYBUSY_MASK:
case PROG_MODE_PAGED_READYBUSY_MASK: case PROG_MODE_PAGED_READYBUSY_MASK:
ProgrammingStatus = V2Protocol_WaitWhileTargetBusy(); ProgrammingStatus = V2Protocol_WaitWhileTargetBusy();
break;
} }
return ProgrammingStatus; return ProgrammingStatus;
@ -126,8 +121,6 @@ uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAdd
uint8_t V2Protocol_WaitWhileTargetBusy(void) uint8_t V2Protocol_WaitWhileTargetBusy(void)
{ {
uint8_t ResponseByte;
TCNT0 = 0; TCNT0 = 0;
do do
@ -136,9 +129,8 @@ uint8_t V2Protocol_WaitWhileTargetBusy(void)
SPI_SendByte(0x00); SPI_SendByte(0x00);
SPI_SendByte(0x00); SPI_SendByte(0x00);
ResponseByte = SPI_ReceiveByte();
} }
while ((ResponseByte & 0x01) && (TCNT0 < TARGET_BUSY_TIMEOUT_MS)); while ((SPI_ReceiveByte() & 0x01) && (TCNT0 < TARGET_BUSY_TIMEOUT_MS));
if (TCNT0 >= TARGET_BUSY_TIMEOUT_MS) if (TCNT0 >= TARGET_BUSY_TIMEOUT_MS)
return STATUS_RDY_BSY_TOUT; return STATUS_RDY_BSY_TOUT;

4
Projects/Incomplete/AVRISP/Lib/V2ProtocolTarget.h
View File

@ -48,7 +48,7 @@
#include "V2ProtocolParams.h" #include "V2ProtocolParams.h"
/* Macros: */ /* Macros: */
#define TARGET_BUSY_TIMEOUT_MS 200 #define TARGET_BUSY_TIMEOUT_MS 150
/* External Variables: */ /* External Variables: */
extern uint32_t CurrentAddress; extern uint32_t CurrentAddress;
@ -58,7 +58,7 @@
void V2Protocol_ChangeTargetResetLine(bool ResetTarget); void V2Protocol_ChangeTargetResetLine(bool ResetTarget);
void V2Protocol_DelayMS(uint8_t MS); void V2Protocol_DelayMS(uint8_t MS);
uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAddress, uint8_t PollValue, uint8_t V2Protocol_WaitForProgComplete(uint8_t ProgrammingMode, uint16_t PollAddress, uint8_t PollValue,
uint8_t DelayMS, bool IsFlashMemory, uint8_t ReadMemCommand); uint8_t DelayMS, uint8_t ReadMemCommand);
uint8_t V2Protocol_WaitWhileTargetBusy(void); uint8_t V2Protocol_WaitWhileTargetBusy(void);
void V2Protocol_LoadExtendedAddress(void); void V2Protocol_LoadExtendedAddress(void);