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openFPGALoader
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stop using get_state and promote the use of get_status

This commit is contained in:
Gwenhael Goavec-Merou 2022-06-18 22:50:55 +02:00
parent de2cdcb67a
commit 702ca39300
1 changed files with 28 additions and 15 deletions
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43
src/dfu.cpp
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@ -55,7 +55,7 @@ DFU::DFU(const string &filename, bool bypass_bitstream,
_bit(NULL)
{
struct dfu_status status;
int dfu_vid = 0, dfu_pid = 0;
int dfu_vid = 0, dfu_pid = 0, ret;
printInfo("Open file : ", false);
@ -152,10 +152,14 @@ DFU::DFU(const string &filename, bool bypass_bitstream,
printf("%02x %02x\n", _vid, _pid);
char state = get_state();
if (_verbose > 0) {
printInfo("Default DFU status " + dfu_dev_state_val[state]);
get_status(&status);
if ((ret = get_status(&status)) < 0) {
delete _bit;
throw std::runtime_error("get device status failed with error code " +
std::to_string(ret));
}
printInfo("Default DFU status " + dfu_dev_state_val[status.bState]);
}
}
@ -453,9 +457,11 @@ int DFU::set_state(char newState)
{
int ret = 0;
struct dfu_status status;
char curr_state = get_state();
while (curr_state != newState) {
switch (curr_state) {
if (get_status(&status) < 0)
return -1;
while (status.bState != newState) {
switch (status.bState) {
case STATE_appIDLE:
if (dfu_detach() == EXIT_FAILURE)
return -1;
@ -466,7 +472,6 @@ int DFU::set_state(char newState)
cerr << dfu_dev_status_val[status.bStatus] << endl;
return -1;
}
curr_state = status.bState;
break;
case STATE_appDETACH:
if (newState == STATE_appIDLE) {
@ -504,15 +509,14 @@ int DFU::set_state(char newState)
printError("Fails to send packet\n");
return ret;
}
if ((ret = get_state()) < 0)
if (get_status(&status) < 0)
return ret;
/* not always true:
* the newState may be the next one or another */
if (ret != newState) {
printError(dfu_dev_state_val[ret]);
if (status.bState != newState) {
printError(dfu_dev_state_val[status.bState]);
return -1;
}
curr_state = ret;
break;
case STATE_dfuERROR:
if (newState == STATE_appIDLE) {
@ -540,7 +544,6 @@ int DFU::set_state(char newState)
cerr << dfu_dev_status_val[status.bStatus] << endl;
return -1;
}
curr_state = status.bState;
break;
}
}
@ -570,6 +573,10 @@ int DFU::get_status(struct dfu_status *status)
(((uint32_t)buffer[1] & 0xff) << 0);
status->bState = buffer[4];
status->iString = buffer[5];
} else if (res < 0) {
printError("Get DFU status failed with error " +
std::to_string(res) +
"(" + std::string(libusb_error_name(res)) + ")");
}
return res;
}
@ -697,7 +704,9 @@ int DFU::download()
}
/* download must start in dfu IDLE state */
if (get_state() != STATE_dfuIDLE)
if (get_status(&status) < 0)
return -1;
if (status.bState != STATE_dfuIDLE)
set_state(STATE_dfuIDLE);
xfer_len = libusb_le16_to_cpu(curr_dev.dfu_desc.wTransferSize);
@ -757,12 +766,16 @@ int DFU::download()
/* send the zero sized download request
* dfuDNLOAD_IDLE -> dfuMANITEST-SYNC
*/
ret = set_state(STATE_dfuMANIFEST_SYNC);
printInfo("send zero sized download request: ", false);
//ret = set_state(STATE_dfuMANIFEST_SYNC);
ret = send(true, DFU_DNLOAD, transaction, NULL, 0);
if (ret < 0) {
printError("Error: fail to change state " + to_string(ret));
return -6;
}
printSuccess("DONE");
/* Now FSM must be in dfuMANITEST-SYNC */
bool must_continue = true;
do {