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Added PROGRAM_FLASH_ISP and PROGRAM_EEPROM_ISP handler code to the V2 Protocol handler in the AVRISP project, programming complete checks not yet complete.

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This commit is contained in:
Dean Camera 2009-08-24 11:04:05 +00:00
parent f9c0357b73
commit 92adb00f8e
4 changed files with 70 additions and 8 deletions
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62
Projects/Incomplete/AVRISP/Lib/V2Protocol.c
View file

@ -259,26 +259,37 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
uint8_t PollValue2;
} Write_Memory_Params;
uint8_t ProgrammingStatus = STATUS_CMD_OK;
Endpoint_Read_Stream_LE(&Write_Memory_Params, sizeof(Write_Memory_Params));
Write_Memory_Params.BytesToWrite = SwapEndian_16(Write_Memory_Params.BytesToWrite);
uint8_t ProgrammingStatus = STATUS_CMD_OK;
uint16_t PollAddress = 0;
if (Write_Memory_Params.ProgrammingMode & PROG_MODE_PAGED_WRITES_MASK)
{
/* Paged mode memory programming */
for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
{
if ((V2Command == CMD_READ_FLASH_ISP) && (CurrentByte & 0x01))
bool IsOddByte = (CurrentByte & 0x01);
uint8_t ByteToWrite = Endpoint_Read_Byte();
if ((V2Command == CMD_READ_FLASH_ISP) && IsOddByte)
Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_ODD_BYTE_MASK;
SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
SPI_SendByte(CurrentAddress >> 8);
SPI_SendByte(CurrentAddress & 0xFF);
SPI_SendByte(Endpoint_Read_Byte());
SPI_SendByte(ByteToWrite);
// TODO - Correct Polling
if (!(PollAddress))
{
if ((ByteToWrite != Write_Memory_Params.PollValue1) && (V2Command == CMD_PROGRAM_FLASH_ISP))
PollAddress = (((CurrentAddress & 0xFFFF) << 1) | IsOddByte);
else if ((ByteToWrite != Write_Memory_Params.PollValue2) && (V2Command == CMD_PROGRAM_EEPROM_ISP))
PollAddress = (CurrentAddress & 0xFFFF);
}
if (((V2Command == CMD_PROGRAM_FLASH_ISP) && (CurrentByte & 0x01)) || (V2Command == CMD_PROGRAM_EEPROM_ISP))
if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP))
CurrentAddress++;
}
@ -289,11 +300,46 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
SPI_SendByte(CurrentAddress >> 8);
SPI_SendByte(CurrentAddress & 0xFF);
SPI_SendByte(0x00);
/* Check if polling is possible, if not switch to timed delay mode */
if (!(PollAddress))
{
Write_Memory_Params.ProgrammingMode &= ~PROG_MODE_PAGED_VALUE_MASK;
Write_Memory_Params.ProgrammingMode &= ~PROG_MODE_PAGED_TIMEDELAY_MASK;
}
}
ProgrammingStatus = V2Protocol_WaitForProgrammingComplete(PollAddress, Write_Memory_Params.ProgrammingMode);
}
else
{
// TODO - Read in programming data, write to device
{
/* Word/byte mode memory programming */
for (uint16_t CurrentByte = 0; CurrentByte < Write_Memory_Params.BytesToWrite; CurrentByte++)
{
bool IsOddByte = (CurrentByte & 0x01);
uint8_t ByteToWrite = Endpoint_Read_Byte();
if ((V2Command == CMD_READ_FLASH_ISP) && IsOddByte)
Write_Memory_Params.ProgrammingCommands[0] ^= READ_WRITE_ODD_BYTE_MASK;
SPI_SendByte(Write_Memory_Params.ProgrammingCommands[0]);
SPI_SendByte(CurrentAddress >> 8);
SPI_SendByte(CurrentAddress & 0xFF);
SPI_SendByte(ByteToWrite);
if ((ByteToWrite != Write_Memory_Params.PollValue1) && (V2Command == CMD_PROGRAM_FLASH_ISP))
PollAddress = (((CurrentAddress & 0xFFFF) << 1) | IsOddByte);
else if ((ByteToWrite != Write_Memory_Params.PollValue2) && (V2Command == CMD_PROGRAM_EEPROM_ISP))
PollAddress = (CurrentAddress & 0xFFFF);
ProgrammingStatus = V2Protocol_WaitForProgrammingComplete(PollAddress, Write_Memory_Params.ProgrammingMode);
if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP))
CurrentAddress++;
if (ProgrammingStatus != STATUS_CMD_OK)
break;
}
}
Endpoint_ClearOUT();

8
Projects/Incomplete/AVRISP/Lib/V2Protocol.h
View file

@ -48,7 +48,15 @@
#define PROGRAMMER_ID "AVRISP_MK2"
#define READ_WRITE_ODD_BYTE_MASK (1 << 3)
#define PROG_MODE_PAGED_WRITES_MASK (1 << 0)
#define PROG_MODE_WORD_TIMEDELAY_MASK (1 << 1)
#define PROG_MODE_WORD_VALUE_MASK (1 << 2)
#define PROG_MODE_WORD_READYBUSY_MASK (1 << 3)
#define PROG_MODE_PAGED_TIMEDELAY_MASK (1 << 4)
#define PROG_MODE_PAGED_VALUE_MASK (1 << 5)
#define PROG_MODE_PAGED_READYBUSY_MASK (1 << 6)
#define PROG_MODE_COMMIT_PAGE_MASK (1 << 7)
/* Function Prototypes: */

7
Projects/Incomplete/AVRISP/Lib/V2ProtocolTarget.c
View file

@ -82,6 +82,13 @@ void V2Protocol_DelayMS(uint8_t MS)
_delay_ms(1);
}
uint8_t V2Protocol_WaitForProgrammingComplete(uint16_t PollAddress, uint8_t ProgrammingMode)
{
// TODO
return STATUS_CMD_OK;
}
uint8_t V2Protocol_WaitWhileTargetBusy(void)
{
uint8_t TimeoutMS = TARGET_BUSY_TIMEOUT_MS;

1
Projects/Incomplete/AVRISP/Lib/V2ProtocolTarget.h
View file

@ -57,6 +57,7 @@
uint8_t V2Protocol_GetSPIPrescalerMask(void);
void V2Protocol_ChangeTargetResetLine(bool ResetTarget);
void V2Protocol_DelayMS(uint8_t MS);
uint8_t V2Protocol_WaitForProgrammingComplete(uint16_t PollAddress, uint8_t ProgrammingMode);
uint8_t V2Protocol_WaitWhileTargetBusy(void);
void V2Protocol_LoadExtendedAddress(void);