X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/92adb00f8eebab41853f95bbc0de8a2006c6df3d..8cb8f1cfddf0d9a76442f8fdafe207ac7e6fe340:/Projects/Incomplete/AVRISP/Lib/V2Protocol.c diff --git a/Projects/Incomplete/AVRISP/Lib/V2Protocol.c b/Projects/Incomplete/AVRISP/Lib/V2Protocol.c index 16a1a0708..2c2966906 100644 --- a/Projects/Incomplete/AVRISP/Lib/V2Protocol.c +++ b/Projects/Incomplete/AVRISP/Lib/V2Protocol.c @@ -52,6 +52,9 @@ void V2Protocol_ProcessCommand(void) case CMD_LOAD_ADDRESS: V2Protocol_Command_LoadAddress(); break; + case CMD_RESET_PROTECTION: + V2Protocol_Command_ResetProtection(); + break; case CMD_ENTER_PROGMODE_ISP: V2Protocol_Command_EnterISPMode(); break; @@ -168,6 +171,16 @@ static void V2Protocol_Command_LoadAddress(void) Endpoint_ClearIN(); } +static void V2Protocol_Command_ResetProtection(void) +{ + Endpoint_ClearOUT(); + Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN); + + Endpoint_Write_Byte(CMD_RESET_PROTECTION); + Endpoint_Write_Byte(STATUS_CMD_OK); + Endpoint_ClearIN(); +} + static void V2Protocol_Command_EnterISPMode(void) { struct @@ -208,7 +221,7 @@ static void V2Protocol_Command_EnterISPMode(void) } /* Check if polling disabled, or if the polled value matches the expected value */ - if (!Enter_ISP_Params.PollIndex || (ResponseBytes[Enter_ISP_Params.PollIndex - 1] == Enter_ISP_Params.PollValue)) + if (!(Enter_ISP_Params.PollIndex) || (ResponseBytes[Enter_ISP_Params.PollIndex - 1] == Enter_ISP_Params.PollValue)) { ResponseStatus = STATUS_CMD_OK; } @@ -264,6 +277,8 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command) uint8_t ProgrammingStatus = STATUS_CMD_OK; uint16_t PollAddress = 0; + uint8_t PollValue = (V2Command == CMD_PROGRAM_FLASH_ISP) ? Write_Memory_Params.PollValue1 : + Write_Memory_Params.PollValue2; if (Write_Memory_Params.ProgrammingMode & PROG_MODE_PAGED_WRITES_MASK) { @@ -281,11 +296,11 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command) SPI_SendByte(CurrentAddress & 0xFF); SPI_SendByte(ByteToWrite); - if (!(PollAddress)) + if (!(PollAddress) && (ByteToWrite != PollValue)) { - if ((ByteToWrite != Write_Memory_Params.PollValue1) && (V2Command == CMD_PROGRAM_FLASH_ISP)) + if (V2Command == CMD_PROGRAM_FLASH_ISP) PollAddress = (((CurrentAddress & 0xFFFF) << 1) | IsOddByte); - else if ((ByteToWrite != Write_Memory_Params.PollValue2) && (V2Command == CMD_PROGRAM_EEPROM_ISP)) + else PollAddress = (CurrentAddress & 0xFFFF); } @@ -309,7 +324,9 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command) } } - ProgrammingStatus = V2Protocol_WaitForProgrammingComplete(PollAddress, Write_Memory_Params.ProgrammingMode); + ProgrammingStatus = V2Protocol_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue, + Write_Memory_Params.DelayMS, (V2Command == CMD_READ_FLASH_ISP), + Write_Memory_Params.ProgrammingCommands[2]); } else { @@ -327,15 +344,20 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command) 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 (ByteToWrite != PollValue) + { + if (V2Command == CMD_PROGRAM_FLASH_ISP) + PollAddress = (((CurrentAddress & 0xFFFF) << 1) | IsOddByte); + else + PollAddress = (CurrentAddress & 0xFFFF); + } + if (IsOddByte || (V2Command == CMD_PROGRAM_EEPROM_ISP)) CurrentAddress++; + + ProgrammingStatus = V2Protocol_WaitForProgComplete(Write_Memory_Params.ProgrammingMode, PollAddress, PollValue, + Write_Memory_Params.DelayMS, (V2Command == CMD_READ_FLASH_ISP), + Write_Memory_Params.ProgrammingCommands[2]); if (ProgrammingStatus != STATUS_CMD_OK) break; @@ -390,7 +412,17 @@ static void V2Protocol_Command_ReadMemory(uint8_t V2Command) } Endpoint_Write_Byte(STATUS_CMD_OK); + + bool IsEndpointFull = !(Endpoint_IsReadWriteAllowed()); Endpoint_ClearIN(); + + /* Ensure last packet is a short packet to terminate the transfer */ + if (IsEndpointFull) + { + Endpoint_WaitUntilReady(); + Endpoint_ClearIN(); + Endpoint_WaitUntilReady(); + } } static void V2Protocol_Command_ChipErase(void) @@ -412,7 +444,7 @@ static void V2Protocol_Command_ChipErase(void) for (uint8_t SByte = 0; SByte < sizeof(Erase_Chip_Params.EraseCommandBytes); SByte++) SPI_SendByte(Erase_Chip_Params.EraseCommandBytes[SByte]); - if (Erase_Chip_Params.PollMethod == 0) + if (!(Erase_Chip_Params.PollMethod)) V2Protocol_DelayMS(Erase_Chip_Params.EraseDelayMS); else ResponseStatus = V2Protocol_WaitWhileTargetBusy();