本文整理汇总了C++中SerialDevice::OnRead方法的典型用法代码示例。如果您正苦于以下问题：C++ SerialDevice::OnRead方法的具体用法？C++ SerialDevice::OnRead怎么用？C++ SerialDevice::OnRead使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SerialDevice的用法示例。
在下文中一共展示了SerialDevice::OnRead方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
int32
SerialDevice::DeviceThread(void *data)
{
SerialDevice *device = (SerialDevice *)data;
while (!device->fStopDeviceThread) {
status_t status = gUSBModule->queue_bulk(device->fReadPipe,
device->fReadBuffer, device->fReadBufferSize,
device->ReadCallbackFunction, data);
if (status < B_OK) {
TRACE_ALWAYS("device thread: queueing failed with error: 0x%08x\n", status);
break;
}
status = acquire_sem_etc(device->fDoneRead, 1, B_CAN_INTERRUPT, 0);
if (status < B_OK) {
TRACE_ALWAYS("device thread: failed to get read done sem 0x%08x\n", status);
break;
}
if (device->fStatusRead != B_OK) {
TRACE("device thread: device status error 0x%08x\n",
device->fStatusRead);
if (gUSBModule->clear_feature(device->fReadPipe,
USB_FEATURE_ENDPOINT_HALT) != B_OK) {
TRACE_ALWAYS("device thread: failed to clear halt feature\n");
break;
}
}
char *buffer = device->fReadBuffer;
size_t readLength = device->fActualLengthRead;
device->OnRead(&buffer, &readLength);
if (readLength == 0)
continue;
ddrover *ddr = gTTYModule->ddrstart(NULL);
if (!ddr) {
TRACE_ALWAYS("device thread: ddrstart problem\n");
return B_NO_MEMORY;
}
while (device->fInputStopped)
snooze(100);
gTTYModule->ttyilock(&device->fTTY, ddr, true);
for (size_t i = 0; i < readLength; i++)
gTTYModule->ttyin(&device->fTTY, ddr, buffer[i]);
gTTYModule->ttyilock(&device->fTTY, ddr, false);
gTTYModule->ddrdone(ddr);
}
return B_OK;
}