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Fixed AVRISP programmer demo -- can now connect to a target and read/write Sig/Lock/Fuse/OSCCAL bytes successfully.

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Changed SPI_Init() to allow for the clock polarity and data sample modes to be set.

Changed Dataflash_Init() to no longer call SPI_Init() automatically.
This commit is contained in:
Dean Camera 2009-08-23 08:37:11 +00:00
parent 1e8df8951a
commit f229502d9a
9 changed files with 58 additions and 63 deletions
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55
Projects/Incomplete/AVRISP/Lib/V2Protocol.c
View file

@ -150,10 +150,8 @@ void V2Protocol_ProcessCommand(void)
break;
}
printf("COMMAND 0x%02x\r\n", V2Command);
Endpoint_WaitUntilReady();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_OUT);
Endpoint_WaitUntilReady();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_OUT);
}
static void V2Protocol_Command_Unknown(uint8_t V2Command)
@ -167,7 +165,6 @@ static void V2Protocol_Command_Unknown(uint8_t V2Command)
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
Endpoint_Write_Byte(V2Command);
Endpoint_Write_Byte(STATUS_CMD_UNKNOWN);
@ -178,7 +175,6 @@ static void V2Protocol_Command_SignOn(void)
{
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
Endpoint_Write_Byte(CMD_SIGN_ON);
Endpoint_Write_Byte(STATUS_CMD_OK);
@ -189,31 +185,28 @@ static void V2Protocol_Command_SignOn(void)
static void V2Protocol_Command_GetSetParam(uint8_t V2Command)
{
struct
{
uint8_t ParamID;
uint8_t ParamValue;
} Get_Set_Param_Params;
uint8_t ParamID = Endpoint_Read_Byte();
uint8_t ParamValue;
Endpoint_Read_Stream_LE(&Get_Set_Param_Params, sizeof(Get_Set_Param_Params));
if (V2Command == CMD_SET_PARAMETER)
ParamValue = Endpoint_Read_Byte();
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
uint8_t ParamPrivs = V2Params_GetParameterPrivellages(Get_Set_Param_Params.ParamID);
Endpoint_Write_Byte(V2Command);
uint8_t ParamPrivs = V2Params_GetParameterPrivellages(ParamID);
if ((V2Command == CMD_SET_PARAMETER) && (ParamPrivs & PARAM_PRIV_WRITE))
{
Endpoint_Write_Byte(STATUS_CMD_OK);
V2Params_SetParameterValue(Get_Set_Param_Params.ParamID, Get_Set_Param_Params.ParamValue);
V2Params_SetParameterValue(ParamID, ParamValue);
}
else if ((V2Command == CMD_GET_PARAMETER) && (ParamPrivs & PARAM_PRIV_READ))
{
Endpoint_Write_Byte(STATUS_CMD_OK);
Endpoint_Write_Byte(V2Params_GetParameterValue(Get_Set_Param_Params.ParamID));
Endpoint_Write_Byte(V2Params_GetParameterValue(ParamID));
}
else
{
@ -229,7 +222,6 @@ static void V2Protocol_Command_LoadAddress(void)
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
// TODO: Check for extended address
@ -256,40 +248,28 @@ static void V2Protocol_Command_EnterISPMode(void)
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
uint8_t SCKDuration = V2Params_GetParameterValue(PARAM_SCK_DURATION);
uint8_t ResponseStatus = STATUS_CMD_FAILED;
Enter_ISP_Params.TimeoutMS -= Enter_ISP_Params.ExecutionDelayMS +
Enter_ISP_Params.PinStabDelayMS;
CurrentAddress = 0;
if (SCKDuration >= sizeof(SPIMaskFromSCKDuration))
SCKDuration = (sizeof(SPIMaskFromSCKDuration) - 1);
V2Protocol_DelayMS(Enter_ISP_Params.ExecutionDelayMS);
SPI_Init(SPIMaskFromSCKDuration[SCKDuration], true);
SPI_Init(V2Protocol_GetSPIPrescalerMask() | SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING | SPI_MODE_MASTER);
V2Protocol_ChangeTargetResetLine(true);
V2Protocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus == STATUS_CMD_FAILED))
{
uint8_t ResponseBytes[4];
for (uint8_t RByte = 0; RByte < sizeof(ResponseBytes); RByte++)
{
ResponseBytes[RByte] = SPI_TransferByte(Enter_ISP_Params.EnterProgBytes[RByte]);
V2Protocol_DelayMS(Enter_ISP_Params.ByteDelay);
if (Enter_ISP_Params.TimeoutMS >= Enter_ISP_Params.ByteDelay)
Enter_ISP_Params.TimeoutMS -= Enter_ISP_Params.ByteDelay;
else
ResponseStatus = STATUS_CMD_TOUT;
ResponseBytes[RByte] = SPI_TransferByte(Enter_ISP_Params.EnterProgBytes[RByte]);
}
if (ResponseBytes[Enter_ISP_Params.PollIndex] == Enter_ISP_Params.PollValue)
/* 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))
ResponseStatus = STATUS_CMD_OK;
}
@ -310,7 +290,6 @@ static void V2Protocol_Command_LeaveISPMode(void)
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
V2Protocol_DelayMS(Leave_ISP_Params.PreDelayMS);
V2Protocol_ChangeTargetResetLine(false);
@ -335,7 +314,6 @@ static void V2Protocol_Command_ChipErase(void)
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
uint8_t ResponseStatus = STATUS_CMD_OK;
@ -364,7 +342,6 @@ static void V2Protocol_Command_ReadFuseLockSigOSCCAL(uint8_t V2Command)
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
uint8_t ResponseBytes[4];
@ -389,7 +366,6 @@ static void V2Protocol_Command_WriteFuseLock(uint8_t V2Command)
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
for (uint8_t SByte = 0; SByte < sizeof(Write_FuseLockSig_Params.WriteCommandBytes); SByte++)
SPI_SendByte(Write_FuseLockSig_Params.WriteCommandBytes[SByte]);
@ -416,7 +392,6 @@ static void V2Protocol_Command_SPIMulti(void)
Endpoint_ClearOUT();
Endpoint_SetEndpointDirection(ENDPOINT_DIR_IN);
Endpoint_WaitUntilReady();
Endpoint_Write_Byte(CMD_SPI_MULTI);
Endpoint_Write_Byte(STATUS_CMD_OK);