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chario: working Windows CharIo backend.

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This commit is contained in:
Maxim Poliakovski 2022-06-12 17:55:34 +02:00
parent fd3ff7b703
commit 1d6f296d10
1 changed files with 82 additions and 75 deletions
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157
devices/serial/chario.cpp
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@ -45,7 +45,87 @@ int CharIoNull::rcv_char(uint8_t *c)
}
//======================== STDIO character I/O backend ========================
#ifndef _WIN32
#ifdef _WIN32
#include <fcntl.h>
#include <io.h>
#include <windows.h>
HANDLE hInput = GetStdHandle(STD_INPUT_HANDLE);
HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
DWORD old_in_mode, old_out_mode;
int old_stdin_trans_mode;
void mysig_handler(int signum) {
SetStdHandle(signum, hInput);
SetStdHandle(signum, hOutput);
}
int CharIoStdin::rcv_enable() {
if (this->stdio_inited)
return 0;
GetConsoleMode(hInput, &old_in_mode);
GetConsoleMode(hOutput, &old_out_mode);
DWORD new_in_mode = old_in_mode;
new_in_mode &= ~ENABLE_ECHO_INPUT;
new_in_mode &= ~ENABLE_LINE_INPUT;
new_in_mode &= ~ENABLE_PROCESSED_INPUT;
new_in_mode |= ENABLE_EXTENDED_FLAGS;
new_in_mode |= ENABLE_INSERT_MODE;
new_in_mode |= ENABLE_VIRTUAL_TERMINAL_INPUT;
SetConsoleMode(hInput, new_in_mode);
SetConsoleMode(hOutput, old_out_mode | ENABLE_VIRTUAL_TERMINAL_PROCESSING);
// disable automatic CRLF translation
old_stdin_trans_mode = _setmode(_fileno(stdin), _O_BINARY);
this->stdio_inited = true;
LOG_F(INFO, "Winterm: receiver initialized");
return 0;
}
void CharIoStdin::rcv_disable() {
if (!this->stdio_inited)
return;
// restore original console mode
SetConsoleMode(hInput, old_in_mode);
SetConsoleMode(hOutput, old_out_mode);
// restore original translation mode
_setmode(_fileno(stdin), old_stdin_trans_mode);
this->stdio_inited = false;
LOG_F(INFO, "Winterm: receiver disabled");
}
bool CharIoStdin::rcv_char_available() {
DWORD events;
INPUT_RECORD buffer;
PeekConsoleInput(hInput, &buffer, 1, &events);
return !!(events > 0);
}
int CharIoStdin::xmit_char(uint8_t c) {
_write(_fileno(stdout), &c, 1);
return 0;
}
int CharIoStdin::rcv_char(uint8_t* c) {
_read(_fileno(stdin), c, 1);
return 0;
}
#else // non-Windows OS (Linux, mac OS etc.)
#include <signal.h>
#include <stdio.h>
@ -143,77 +223,4 @@ int CharIoStdin::rcv_char(uint8_t *c)
return 0;
}
#else
//Windows terminal code
#include <io.h>
#include <iostream>
#include <stdio.h>
#include <windows.h>
#include <winsock.h>
HANDLE hInput = GetStdHandle(STD_INPUT_HANDLE);
HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
//DWORD oldMode;
//DWORD newMode;
//INPUT_RECORD in;
//CHAR_INFO charData;
void mysig_handler(int signum)
{
SetStdHandle(signum, hInput);
SetStdHandle(signum, hOutput);
}
int CharIoStdin::rcv_enable() {
if (this->stdio_inited)
return 0;
SetCommMask(hInput, EV_DSR);
SetCommMask(hOutput, EV_CTS);
SetConsoleMode(hInput, ENABLE_LINE_INPUT);
SetConsoleMode(hInput, ENABLE_VIRTUAL_TERMINAL_PROCESSING);
this->stdio_inited = true;
return 0;
}
void CharIoStdin::rcv_disable() {
if (!this->stdio_inited)
return;
SetCommMask(hInput, !EV_DSR);
SetCommMask(hOutput, !EV_CTS);
this->stdio_inited = false;
}
bool CharIoStdin::rcv_char_available() {
fd_set readfds;
FD_ZERO(&readfds);
FD_SET(1, &readfds);
fd_set savefds = readfds;
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 0;
//int chr;
int sel_rv = select(1, &readfds, NULL, NULL, &timeout);
return sel_rv > 0;
}
int CharIoStdin::xmit_char(uint8_t c) {
_write(_fileno(stdout), &c, 1);
return 0;
}
int CharIoStdin::rcv_char(uint8_t* c) {
_read(_fileno(stdin), c, 1);
return 0;
}
#endif // _WIN32
#endif