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Add vt100 support to windows port. #6058

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6bca042
Add vt100 support to windows port.
rockindy May 19, 2020
a003ec4
Fix code format.
rockindy May 20, 2020
e207c95
Fix else format.
rockindy May 20, 2020
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23 changes: 23 additions & 0 deletions ports/windows/windows_mphal.c
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ STATIC void assure_stdin_handle() {
}
}

#if !MICROPY_HAL_HAS_VT100
STATIC void assure_conout_handle() {
if (!con_out) {
con_out = CreateFile("CONOUT$", GENERIC_READ | GENERIC_WRITE,
Expand All @@ -52,6 +53,7 @@ STATIC void assure_conout_handle() {
assert(con_out != INVALID_HANDLE_VALUE);
}
}
#endif

void mp_hal_stdio_mode_raw(void) {
assure_stdin_handle();
Expand All @@ -60,6 +62,9 @@ void mp_hal_stdio_mode_raw(void) {
mode &= ~ENABLE_ECHO_INPUT;
mode &= ~ENABLE_LINE_INPUT;
mode &= ~ENABLE_PROCESSED_INPUT;
#if MICROPY_HAL_HAS_VT100
mode |= ENABLE_VIRTUAL_TERMINAL_INPUT;
#endif
SetConsoleMode(std_in, mode);
}

Expand Down Expand Up @@ -105,6 +110,7 @@ void mp_hal_set_interrupt_char(char c) {
}
}

#if !MICROPY_HAL_HAS_VT100
void mp_hal_move_cursor_back(uint pos) {
if (!pos) {
return;
Expand Down Expand Up @@ -184,8 +190,24 @@ STATIC int esc_seq_chr() {
}
return 0;
}
#endif

int mp_hal_stdin_rx_chr(void) {
#if MICROPY_HAL_HAS_VT100
assure_stdin_handle();
BOOL read_ok;
DWORD num_read;
char inchar;
LPVOID buf = &inchar;
for (;;) {
read_ok = ReadFile(std_in, buf, 1, &num_read, NULL);
if (!read_ok || !num_read) {
continue;
} else {
return inchar;
}
}
#else
// currently processing escape seq?
const int ret = esc_seq_chr();
if (ret) {
Expand Down Expand Up @@ -218,6 +240,7 @@ int mp_hal_stdin_rx_chr(void) {
return c;
}
}
#endif
}

void mp_hal_stdout_tx_strn(const char *str, size_t len) {
Expand Down
2 changes: 2 additions & 0 deletions ports/windows/windows_mphal.h
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Original file line number Diff line number Diff line change
Expand Up @@ -29,8 +29,10 @@

#define MICROPY_HAL_HAS_VT100 (0)

#if !MICROPY_HAL_HAS_VT100
void mp_hal_move_cursor_back(unsigned int pos);
void mp_hal_erase_line_from_cursor(unsigned int n_chars_to_erase);
#endif

#undef mp_hal_ticks_cpu
mp_uint_t mp_hal_ticks_cpu(void);
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