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Read input raw with timeout

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This commit is contained in:
Baptiste Wicht 2016-08-18 20:05:27 +02:00
parent e1ab6905d8
commit f8df91f49f
2 changed files with 22 additions and 1 deletions
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9
kernel/include/terminal.hpp
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@ -52,10 +52,17 @@ struct virtual_terminal {
/*!
* \brief Reads non-canonical input in the given buffer
* \return the keyboard scan code
* \return the keyboard key code
*/
size_t read_input_raw();
/*!
* \brief Reads non-canonical input in the given buffer, with
* a timeout
* \return the keyboard key code
*/
size_t read_input_raw(size_t ms);
void set_canonical(bool can);
virtual_terminal(){}

14
kernel/src/terminal.cpp
View File

@ -134,6 +134,20 @@ size_t stdio::virtual_terminal::read_input_raw(){
return raw_buffer.pop();
}
size_t stdio::virtual_terminal::read_input_raw(size_t ms){
if(raw_buffer.empty()){
if(!ms){
return static_cast<size_t>(keycode::INVALID);
}
if(!input_queue.sleep(ms)){
return static_cast<size_t>(keycode::INVALID);
}
}
return raw_buffer.pop();
}
void stdio::virtual_terminal::set_canonical(bool can){
logging::logf(logging::log_level::TRACE, "Switched terminal %u canonical mode from %u to %u\n", id, uint64_t(canonical), uint64_t(canonical));