Added handler for the V2 Protocol SPI_MULTI command to the AVRISP Programmer project.

Added documentation of the makefile CDEFS values to the MagStripe project.
This commit is contained in:
Dean Camera 2009-08-19 06:25:54 +00:00
parent 083d3615d3
commit 04354ffcad
8 changed files with 165 additions and 9 deletions

View file

@ -59,6 +59,24 @@ ParameterItem_t ParameterTable[] EEMEM =
{ .ParameterID = PARAM_DISCHARGEDELAY,
.ParameterValue = 0x00 },
};
void V2Protocol_ConfigureHardware(void)
{
#if F_CPU == 8000000
uint8_t SPIMaskFromSCKDuration[] = {SPI_SPEED_FCPU_DIV_128, SPI_SPEED_FCPU_DIV_128, SPI_SPEED_FCPU_DIV_128,
SPI_SPEED_FCPU_DIV_128, SPI_SPEED_FCPU_DIV_128, SPI_SPEED_FCPU_DIV_128};
#else
uint8_t SPIMaskFromSCKDuration[] = {SPI_SPEED_FCPU_DIV_128, SPI_SPEED_FCPU_DIV_128, SPI_SPEED_FCPU_DIV_128,
SPI_SPEED_FCPU_DIV_128, SPI_SPEED_FCPU_DIV_128, SPI_SPEED_FCPU_DIV_128};
#endif
uint8_t SCKDuration = eeprom_read_byte(&V2Protocol_GetParameterItem(PARAM_SCK_DURATION)->ParameterValue);
if (SCKDuration > sizeof(SPIMaskFromSCKDuration))
SCKDuration = SPIMaskFromSCKDuration;
SPI_Init(SPIMaskFromSCKDuration[SCKDuration], true);
}
void V2Protocol_ProcessCommand(void)
{
@ -73,6 +91,9 @@ void V2Protocol_ProcessCommand(void)
case CMD_GET_PARAMETER:
V2Protocol_ProcessCmdGetSetParam(V2Command);
break;
case CMD_SPI_MULTI:
V2Protocol_ProcessCmdSPIMulti();
break;
default:
while (Endpoint_BytesInEndpoint() == AVRISP_DATA_EPSIZE)
{
@ -83,6 +104,7 @@ void V2Protocol_ProcessCommand(void)
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_Write_Byte(V2Command);
Endpoint_Write_Byte(STATUS_CMD_UNKNOWN);
Endpoint_ClearIN();
break;
@ -90,9 +112,7 @@ void V2Protocol_ProcessCommand(void)
printf("COMMAND 0x%02x\r\n", V2Command);
Endpoint_WaitUntilReady();
/* Reset Endpoint direction to OUT ready for next command */
Endpoint_WaitUntilReady();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_OUT);
}
@ -113,6 +133,8 @@ static void V2Protocol_ProcessCmdSignOn(void)
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
V2Protocol_ConfigureHardware();
Endpoint_Write_Byte(CMD_SIGN_ON);
Endpoint_Write_Byte(STATUS_CMD_OK);
Endpoint_Write_Byte(PROGRAMMER_ID_LEN);
@ -131,9 +153,10 @@ static void V2Protocol_ProcessCmdGetSetParam(uint8_t V2Command)
ParameterItem_t* ParameterItem = V2Protocol_GetParameterItem(ParamID);
Endpoint_Write_Byte(V2Command);
if (ParameterItem != NULL)
{
Endpoint_Write_Byte(V2Command);
Endpoint_Write_Byte(STATUS_CMD_OK);
if (V2Command == CMD_SET_PARAMETER)
@ -148,3 +171,51 @@ static void V2Protocol_ProcessCmdGetSetParam(uint8_t V2Command)
Endpoint_ClearIN();
}
static void V2Protocol_ProcessCmdSPIMulti(void)
{
uint8_t TxBytes = Endpoint_Read_Byte();
uint8_t RxBytes = Endpoint_Read_Byte();
uint8_t RxStartAddr = Endpoint_Read_Byte();
uint8_t TxData[255];
Endpoint_Read_Stream_LE(TxData, TxBytes);
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
Endpoint_Write_Byte(CMD_SPI_MULTI);
Endpoint_Write_Byte(STATUS_CMD_OK);
uint8_t CurrTxPos = 0;
uint8_t CurrRxPos = 0;
while (CurrTxPos < RxStartAddr)
{
if (CurrTxPos < TxBytes)
SPI_SendByte(TxData[CurrTxPos]);
else
SPI_SendByte(0);
CurrTxPos++;
}
while (CurrRxPos < RxBytes)
{
if (CurrTxPos < TxBytes)
{
Endpoint_Write_Byte(SPI_TransferByte(TxData[CurrTxPos]));
CurrTxPos++;
}
else
{
Endpoint_Write_Byte(SPI_ReceiveByte());
}
CurrRxPos++;
}
Endpoint_Write_Byte(STATUS_CMD_OK);
Endpoint_ClearIN();
}