rebellion/libpinproc
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Improved error reporting. PRGetEvents() now returns -1 if an error occurred.

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This commit is contained in:
preble
2010-03-28 14:23:07 -04:00
parent d140153f97
commit ed7f0153f0
2 changed files with 19 additions and 6 deletions
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21
src/PRDevice.cpp
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@@ -145,7 +145,8 @@ PRResult PRDevice::Reset(uint32_t resetFlags)
int PRDevice::GetEvents(PREvent *events, int maxEvents)
{
SortReturningData();
if (SortReturningData() != kPRSuccess)
return -1;
// The unrequestedDataQueue only has unrequested switch event data. Pop
// events out 1 at a time, interpret them, and populate the outgoing list with them.
@@ -657,7 +658,8 @@ PRResult PRDevice::SwitchGetStates( PREventType * switchStates, uint16_t numSwit
while (requestedDataQueue.size() < numWords && i++ < 10)
{
PRSleep (10); // 10 milliseconds should be plenty of time.
SortReturningData();
if (SortReturningData() != kPRSuccess)
return kPRFailure;
}
// Make sure all of the requested words are available before processing them.
@@ -916,7 +918,8 @@ PRResult PRDevice::VerifyChipID()
while (requestedDataQueue.size() < 5 && max_count++ < 10)
{
PRSleep (10); // 10 milliseconds should be plenty of time.
SortReturningData();
if (SortReturningData() != kPRSuccess)
return kPRFailure;
}
if (max_count != 11) {
@@ -1061,7 +1064,8 @@ PRResult PRDevice::ReadDataRaw(uint32_t moduleSelect, uint32_t startingAddr, int
while (requestedDataQueue.size() < (numReadWords + 1) && i++ < 10)
{
PRSleep (10); // 10 milliseconds should be plenty of time.
SortReturningData();
if (SortReturningData() != kPRSuccess)
return kPRFailure;
}
// Make sure all of the requested words are available before processing them.
@@ -1134,6 +1138,8 @@ int32_t PRDevice::CollectReadData()
{
int32_t rc,i;
rc = PRHardwareRead(collect_buffer, FTDI_BUFFER_SIZE-num_collected_bytes);
if (rc < 0)
return rc;
for (i=0; i<rc; i++) {
collected_bytes_fifo[collected_bytes_wr_addr] = collect_buffer[i];
if (collected_bytes_wr_addr == (FTDI_BUFFER_SIZE-1))
@@ -1151,10 +1157,15 @@ int32_t PRDevice::CollectReadData()
PRResult PRDevice::SortReturningData()
{
uint32_t num_bytes, num_words, rc;
int32_t num_bytes, num_words, rc;
uint32_t rd_buffer[512];
num_bytes = CollectReadData();
if (num_bytes < 0)
{
PRSetLastErrorText("Error in CollectReadData: %d", num_bytes);
return kPRFailure;
}
num_words = num_collected_bytes/4;
while (num_words >= 2) {