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-rw-r--r--Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c47
-rw-r--r--Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.h14
2 files changed, 41 insertions, 20 deletions
diff --git a/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c b/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c
index 039736a28..3b8c29586 100644
--- a/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c
+++ b/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c
@@ -65,7 +65,13 @@ static bool IsTMCBulkOUTReset = false;
static uint8_t CurrentTransferTag = 0;
/** Length of last data transfer, for reporting to the host in case an in-progress transfer is aborted */
-static uint32_t LastTransferLength = 0;
+static uint16_t LastTransferLength = 0;
+
+/** Buffer to hold the next message to sent to the TMC host */
+static uint8_t NextResponseBuffer[64];
+
+/** Indicates the length of the next response to send */
+static uint8_t NextReponseLen;
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
@@ -318,6 +324,27 @@ void EVENT_USB_Device_ControlRequest(void)
}
}
+void ProcessSentMessage(uint8_t* const Data, const uint8_t Length)
+{
+ if (strncmp((char*)Data, "*IDN?", 5) == 0)
+ strcpy((char*)NextResponseBuffer, "LUFA TMC DEMO");
+
+ NextReponseLen = strlen((char*)NextResponseBuffer);
+}
+
+uint8_t GetNextMessage(uint8_t* const Data)
+{
+ strcpy((char*)NextResponseBuffer, "LUFA TMC DEMO");
+
+ NextReponseLen = strlen((char*)NextResponseBuffer);
+// ---
+ uint8_t DataLen = MIN(NextReponseLen, 64);
+
+ strlcpy((char*)Data, (char*)NextResponseBuffer, DataLen);
+
+ return DataLen;
+}
+
/** Function to manage TMC data transmission and reception to and from the host. */
void TMC_Task(void)
{
@@ -326,7 +353,7 @@ void TMC_Task(void)
return;
TMC_MessageHeader_t MessageHeader;
- uint16_t BytesTransferred;
+ uint8_t MessagePayload[128];
/* Try to read in a TMC message from the interface, process if one is available */
if (ReadTMCHeader(&MessageHeader))
@@ -337,34 +364,32 @@ void TMC_Task(void)
switch (MessageHeader.MessageID)
{
case TMC_MESSAGEID_DEV_DEP_MSG_OUT:
- BytesTransferred = 0;
- while (Endpoint_Discard_Stream(MessageHeader.TransferSize, &BytesTransferred) ==
+ LastTransferLength = 0;
+ while (Endpoint_Read_Stream_LE(MessagePayload, MIN(MessageHeader.TransferSize, sizeof(MessagePayload)), &LastTransferLength) ==
ENDPOINT_RWSTREAM_IncompleteTransfer)
{
if (IsTMCBulkOUTReset)
break;
}
- LastTransferLength = BytesTransferred;
Endpoint_ClearOUT();
+
+ ProcessSentMessage(MessagePayload, LastTransferLength);
break;
case TMC_MESSAGEID_DEV_DEP_MSG_IN:
Endpoint_ClearOUT();
- char MessageData[] = "TMC Class Test";
-
- MessageHeader.TransferSize = strlen(MessageData);
+ MessageHeader.TransferSize = GetNextMessage(MessagePayload);
MessageHeader.MessageIDSpecific.DeviceOUT.LastMessageTransaction = true;
WriteTMCHeader(&MessageHeader);
- BytesTransferred = 0;
- while (Endpoint_Write_Stream_LE(MessageData, MessageHeader.TransferSize, &BytesTransferred) ==
+ LastTransferLength = 0;
+ while (Endpoint_Write_Stream_LE(MessagePayload, MessageHeader.TransferSize, &LastTransferLength) ==
ENDPOINT_RWSTREAM_IncompleteTransfer)
{
if (IsTMCBulkINReset)
break;
}
- LastTransferLength = BytesTransferred;
Endpoint_ClearIN();
break;
diff --git a/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.h b/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.h
index 53f32a2ae..7177f1843 100644
--- a/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.h
+++ b/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.h
@@ -108,19 +108,15 @@
typedef struct
{
- unsigned LastMessageTransaction : 1;
- unsigned Reserved : 7;
-
- uint8_t Reserved2[3];
+ uint8_t LastMessageTransaction;
+ uint8_t TermChar;
+ uint8_t Reserved[2];
} TMC_DevOUTMessageHeader_t;
typedef struct
{
- unsigned TermCharEnabled : 1;
- unsigned Reserved : 7;
-
- uint8_t TermChar;
- uint8_t Reserved2[2];
+ uint8_t LastMessageTransaction;
+ uint8_t Reserved[3];
} TMC_DevINMessageHeader_t;
typedef struct