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Commit dab7e06a authored by Dean Camera's avatar Dean Camera
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Split HIDReportViewer project sub-components into seperate functions for readability/convenience.

parent ea3b5c74
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Projects/HIDReportViewer/HIDReportViewer.c
View file @ dab7e06a
......@@ -123,76 +123,8 @@ int main(void)
case HOST_STATE_Configured:
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
printf_P(PSTR("\r\n\r\nTotal Device Reports: %" PRId8 "\r\n"), HIDReportInfo.TotalDeviceReports);
for (uint8_t ReportIndex = 0; ReportIndex < HIDReportInfo.TotalDeviceReports; ReportIndex++)
{
HID_ReportSizeInfo_t* CurrReportIDInfo = &HIDReportInfo.ReportIDSizes[ReportIndex];
uint8_t ReportSizeInBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_In];
uint8_t ReportSizeOutBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Out];
uint8_t ReportSizeFeatureBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Feature];
/* Print out the byte sizes of each report within the device */
printf_P(PSTR(" + Report ID 0x%02" PRIX8 "\r\n"
" - Input Data: %" PRId8 " bits (%" PRId8 " bytes)\r\n"
" - Output Data: %" PRId8 " bits (%" PRId8 " bytes)\r\n"
" - Feature Data: %" PRId8 " bits (%" PRId8 " bytes)\r\n"),
CurrReportIDInfo->ReportID,
ReportSizeInBits,
((ReportSizeInBits >> 3) + ((ReportSizeInBits & 0x07) != 0)),
ReportSizeOutBits,
((ReportSizeOutBits >> 3) + ((ReportSizeOutBits & 0x07) != 0)),
ReportSizeFeatureBits,
((ReportSizeFeatureBits >> 3) + ((ReportSizeFeatureBits & 0x07) != 0)));
}
printf_P(PSTR("\r\nReport Items (%" PRId8 " Stored in Table):\r\n"), HIDReportInfo.TotalReportItems);
for (uint8_t ItemIndex = 0; ItemIndex < HIDReportInfo.TotalReportItems; ItemIndex++)
{
const HID_ReportItem_t* RItem = &HIDReportInfo.ReportItems[ItemIndex];
printf_P(PSTR(" + Item %" PRId8 ":\r\n"
" - Report ID: 0x%02" PRIX8 "\r\n"
" - Data Direction: %s\r\n"
" - Item Flags: 0x%02" PRIX8 "\r\n"
" - Item Offset (Bits): 0x%02" PRIX8 "\r\n"
" - Item Size (Bits): 0x%02" PRIX8 "\r\n"
" - Usage Page: 0x%04" PRIX16 "\r\n"
" - Usage: 0x%04" PRIX16 "\r\n"
" - Unit Type: 0x%08" PRIX32 "\r\n"
" - Unit Exponent: 0x%02" PRIX8 "\r\n"
" - Logical Minimum: 0x%08" PRIX32 "\r\n"
" - Logical Maximum: 0x%08" PRIX32 "\r\n"
" - Physical Minimum: 0x%08" PRIX32 "\r\n"
" - Physical Maximum: 0x%08" PRIX32 "\r\n"
" - Collection Path:\r\n"),
ItemIndex,
RItem->ReportID,
((RItem->ItemType == HID_REPORT_ITEM_In) ? "IN" : ((RItem->ItemType == HID_REPORT_ITEM_Out) ? "OUT" : "FEATURE")),
RItem->ItemFlags,
RItem->BitOffset,
RItem->Attributes.BitSize,
RItem->Attributes.Usage.Page,
RItem->Attributes.Usage.Usage,
RItem->Attributes.Unit.Type,
RItem->Attributes.Unit.Exponent,
RItem->Attributes.Logical.Minimum,
RItem->Attributes.Logical.Maximum,
RItem->Attributes.Physical.Minimum,
RItem->Attributes.Physical.Maximum);
const HID_CollectionPath_t* CollectionPath = RItem->CollectionPath;
while (CollectionPath != NULL)
{
printf_P(PSTR(" |\r\n"
" - Type: 0x%02" PRIX8 "\r\n"
" - Usage: 0x%02" PRIX8 "\r\n"),
CollectionPath->Type, CollectionPath->Usage);
CollectionPath = CollectionPath->Parent;
}
}
OutputReportSizes();
OutputParsedReportItems();
LEDs_SetAllLEDs(LEDMASK_USB_READY);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
......@@ -204,6 +136,104 @@ int main(void)
}
}
/** Prints a summary of the device's HID report sizes from the HID parser output to the serial port
* for display to the user.
*/
void OutputReportSizes(void)
{
printf_P(PSTR("\r\n\r\nTotal Device Reports: %" PRId8 "\r\n"), HIDReportInfo.TotalDeviceReports);
for (uint8_t ReportIndex = 0; ReportIndex < HIDReportInfo.TotalDeviceReports; ReportIndex++)
{
const HID_ReportSizeInfo_t* CurrReportIDInfo = &HIDReportInfo.ReportIDSizes[ReportIndex];
uint8_t ReportSizeInBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_In];
uint8_t ReportSizeOutBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Out];
uint8_t ReportSizeFeatureBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Feature];
/* Print out the byte sizes of each report within the device */
printf_P(PSTR(" + Report ID 0x%02" PRIX8 "\r\n"
" - Input Data: %" PRId8 " bits (%" PRId8 " bytes)\r\n"
" - Output Data: %" PRId8 " bits (%" PRId8 " bytes)\r\n"
" - Feature Data: %" PRId8 " bits (%" PRId8 " bytes)\r\n"),
CurrReportIDInfo->ReportID,
ReportSizeInBits,
((ReportSizeInBits >> 3) + ((ReportSizeInBits & 0x07) != 0)),
ReportSizeOutBits,
((ReportSizeOutBits >> 3) + ((ReportSizeOutBits & 0x07) != 0)),
ReportSizeFeatureBits,
((ReportSizeFeatureBits >> 3) + ((ReportSizeFeatureBits & 0x07) != 0)));
}
}
/** Prints a summary of the device's parsed and stored report items along with their attributes
* to the serial port for display to the user.
*/
void OutputParsedReportItems(void)
{
printf_P(PSTR("\r\nReport Items (%" PRId8 " in Table):\r\n"), HIDReportInfo.TotalReportItems);
for (uint8_t ItemIndex = 0; ItemIndex < HIDReportInfo.TotalReportItems; ItemIndex++)
{
const HID_ReportItem_t* RItem = &HIDReportInfo.ReportItems[ItemIndex];
printf_P(PSTR(" + Item %" PRId8 ":\r\n"
" - Report ID: 0x%02" PRIX8 "\r\n"
" - Data Direction: %s\r\n"
" - Item Flags: 0x%02" PRIX8 "\r\n"
" - Item Offset (Bits): 0x%02" PRIX8 "\r\n"
" - Item Size (Bits): 0x%02" PRIX8 "\r\n"
" - Usage Page: 0x%04" PRIX16 "\r\n"
" - Usage: 0x%04" PRIX16 "\r\n"
" - Unit Type: 0x%08" PRIX32 "\r\n"
" - Unit Exponent: 0x%02" PRIX8 "\r\n"
" - Logical Minimum: 0x%08" PRIX32 "\r\n"
" - Logical Maximum: 0x%08" PRIX32 "\r\n"
" - Physical Minimum: 0x%08" PRIX32 "\r\n"
" - Physical Maximum: 0x%08" PRIX32 "\r\n"
" - Collection Path:\r\n"),
ItemIndex,
RItem->ReportID,
((RItem->ItemType == HID_REPORT_ITEM_In) ? "IN" : ((RItem->ItemType == HID_REPORT_ITEM_Out) ? "OUT" : "FEATURE")),
RItem->ItemFlags,
RItem->BitOffset,
RItem->Attributes.BitSize,
RItem->Attributes.Usage.Page,
RItem->Attributes.Usage.Usage,
RItem->Attributes.Unit.Type,
RItem->Attributes.Unit.Exponent,
RItem->Attributes.Logical.Minimum,
RItem->Attributes.Logical.Maximum,
RItem->Attributes.Physical.Minimum,
RItem->Attributes.Physical.Maximum);
OutputCollectionPath(RItem->CollectionPath);
}
}
/** Prints the HID Collection path (along with each node's attributes) to the serial port
* for display to the user, from the given starting node to the root node.
*
* \param[in] CollectionPath Starting HID Collection node to print
*/
void OutputCollectionPath(const HID_CollectionPath_t* const CollectionPath)
{
const HID_CollectionPath_t* CurrentNode = CollectionPath;
while (CurrentNode != NULL)
{
printf_P(PSTR(" |\r\n"
" - Type: 0x%02" PRIX8 "\r\n"
" - Usage: 0x%02" PRIX8 "\r\n"),
CurrentNode->Type, CurrentNode->Usage);
CurrentNode = CurrentNode->Parent;
}
printf_P(PSTR(" |\r\n"
" END\r\n"));
}
/** Configures the board hardware and chip peripherals for the demo's functionality. */
void SetupHardware(void)
{
......
Projects/HIDReportViewer/HIDReportViewer.h
View file @ dab7e06a
......@@ -69,6 +69,9 @@
/* Function Prototypes: */
void SetupHardware(void);
void OutputReportSizes(void);
void OutputParsedReportItems(void);
void OutputCollectionPath(const HID_CollectionPath_t* const CollectionPath);
void EVENT_USB_Host_HostError(const uint8_t ErrorCode);
void EVENT_USB_Host_DeviceAttached(void);
......
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