* Actually cook the serial (handle special keys)
*/
+#include <config.h>
+#include <usb/usb.h>
#include "local.h"
+static int _halfdelay = 0;
+
/* ============== Serial ==================== */
-/* FIXME: Cook the serial correctly */
+#ifdef CONFIG_SERIAL_CONSOLE
+/* We treat serial like a vt100 terminal. For now we
+ do the cooking in here, but we should probably eventually
+ pass it to dedicated vt100 code */
-static int cook_serial(unsigned char ch)
+static int getkeyseq(char *buffer, int len)
{
- return (int) ch;
-}
+ int i;
-/* ================ Keyboard ================ */
+ for(i = 0; i < 75; i++) {
+ if (serial_havechar())
+ break;
+ mdelay(1);
+ }
+
+ if (i == 75)
+ return len;
-/* Scancode macros */
-
-#define DOWN(_c) (0x80 | (_c))
-#define UP(_c) (_c)
-
-#define ISDOWN(_c) ((_c) & 0x80)
-#define ISUP(_c) (!ISDOWN((_c)))
-
-#define SCANCODE(_c) ((_c) & ~0x80)
-
-/* Scancode definitions for the modifiers */
-
-#define SCANCODE_RSHIFT 0x36
-#define SCANCODE_LSHIFT 0x2a
-#define SCANCODE_CAPSLOCK 0x3a
-#define SCANCODE_LALT 0x38
-#define SCANCODE_LCTRL 0x1d
-
-/* Modifier flags */
-
-#define SHIFT_MODIFIER 0x1
-#define CAPSLOCK_MODIFIER 0x2
-#define ALT_MODIFIER 0x4
-#define CTRL_MODIFIER 0x8
-
-#define CTRL(_c) (_c & 0x1f)
-
-struct {
- int normal;
- int shift;
-} scancode_map[] = {
- { },
- { CTRL('['), CTRL('[')},
- { '1', '!' },
- { '2', '@' },
- { '3', '#' },
- { '4', '$' },
- { '5', '%' },
- { '6', '^' },
- { '7', '&' },
- { '8', '*' },
- { '9', '(' },
- { '0', ')' },
- { '-', '_' },
- { '=', '+' },
- { KEY_BACKSPACE, KEY_BACKSPACE},
- { CTRL('I' ), KEY_BTAB }, /* 0x0F */
- { 'q', 'Q' },
- { 'w', 'W' },
- { 'e', 'E' },
- { 'r', 'R' },
- { 't', 'T' },
- { 'y', 'Y' },
- { 'u', 'U' },
- { 'i', 'I' },
- { 'o', 'O' },
- { 'p', 'P' },
- { '[', '{' },
- { ']', '{' },
- { KEY_ENTER, KEY_ENTER },
- { 0 , 0 },
- { 'a', 'A' },
- { 's', 'S' }, /* 0x1F */
- { 'd', 'D' },
- { 'f', 'F' },
- { 'g', 'G' },
- { 'h', 'H' },
- { 'j', 'J' },
- { 'k', 'K' },
- { 'l', 'L' },
- { ';', ':' },
- { '\'', '\"' },
- { '`', '~', },
- { 0, 0 },
- { '\\', '|' },
- { 'z', 'Z' },
- { 'x', 'X' },
- { 'c', 'C' },
- { 'v', 'V' }, /* 0x2F */
- { 'b', 'B' },
- { 'n', 'N' },
- { 'm', 'M' },
- { ',', '<'},
- { '.', '>' },
- { '/', '?' },
- { 0, 0 }, /* RSHIFT */
- { '*', '*' },
- { 0, 0 }, /* LALT */
- { ' ', ' ' }, /* Space */
- { 0, 0 }, /* Capslock */
- { KEY_F(1), KEY_F(1) },
- { KEY_F(2), KEY_F(2) },
- { KEY_F(3), KEY_F(3) },
- { KEY_F(4), KEY_F(4) },
- { KEY_F(5), KEY_F(5) }, /* 0x3F */
- { KEY_F(6), KEY_F(6) },
- { KEY_F(7), KEY_F(7) },
- { KEY_F(8), KEY_F(8) },
- { KEY_F(9), KEY_F(9) },
- { KEY_F(10), KEY_F(10) },
- { 0, 0 }, /* Numlock */
- { 0, 0 }, /* Scroll lock */
- { KEY_HOME, KEY_HOME },
- { KEY_UP, KEY_UP },
- { KEY_PPAGE, KEY_PPAGE },
- { '-', '-' },
- { KEY_LEFT, KEY_LEFT },
- { 0, 0 },
- { KEY_RIGHT, KEY_RIGHT },
- { '-', '-' },
- { KEY_END, KEY_END }, /* 0x4F */
- { KEY_DOWN, KEY_DOWN },
- { KEY_NPAGE, KEY_NPAGE },
- { KEY_IC, KEY_IC },
- { KEY_DC, KEY_DC },
- { 0, 0 }, /* sysreq */
- { 0, 0 },
- { KEY_F(11), KEY_F(11) },
- { KEY_F(12), KEY_F(12) },
+ buffer[len++] = serial_getchar();
+ return getkeyseq(buffer, len);
+}
+
+static struct {
+ char *seq;
+ int key;
+} escape_codes[] = {
+ { "[A", KEY_UP },
+ { "[B", KEY_DOWN },
+ { "[C", KEY_RIGHT },
+ { "[D", KEY_LEFT },
+ { "[F", KEY_END },
+ { "[H", KEY_HOME },
+ { "[2~", KEY_IC },
+ { "[3~", KEY_DC },
+ { "[5~", KEY_PPAGE },
+ { "[6~", KEY_NPAGE },
+ { "OP", KEY_F(1) },
+ { "OQ", KEY_F(2) },
+ { "OR", KEY_F(3) },
+ { "OS", KEY_F(4) },
+ { "[15~", KEY_F(5) },
+ { "[17~", KEY_F(6) },
+ { "[18~", KEY_F(7) },
+ { "[19~", KEY_F(8) },
+ { "[20~", KEY_F(9) },
+ { "[21~", KEY_F(10) },
+ { "[23~", KEY_F(11) },
+ { "[24~", KEY_F(12) },
+ { NULL },
};
-static int cook_scancodes(unsigned char code)
+static int handle_escape(void)
{
- static int modifiers = 0;
- int ch = 0, sc, shift;
-
- switch(code) {
- case DOWN(SCANCODE_RSHIFT):
- case DOWN(SCANCODE_LSHIFT):
- modifiers |= SHIFT_MODIFIER;
- return 0;
-
- case UP(SCANCODE_RSHIFT):
- case UP(SCANCODE_LSHIFT):
- modifiers &= ~SHIFT_MODIFIER;
- return 0;
-
- case UP(SCANCODE_CAPSLOCK):
- if (modifiers & CAPSLOCK_MODIFIER)
- modifiers &= ~CAPSLOCK_MODIFIER;
- else
- modifiers |= CAPSLOCK_MODIFIER;
- return 0;
-
- case DOWN(SCANCODE_LALT):
- modifiers |= ALT_MODIFIER;
- return 0;
-
- case UP(SCANCODE_LALT):
- modifiers &= ~ALT_MODIFIER;
- return 0;
-
- case DOWN(SCANCODE_LCTRL):
- modifiers |= CTRL_MODIFIER;
- return 0;
-
- case UP(SCANCODE_LCTRL):
- modifiers &= ~CTRL_MODIFIER;
- return 0;
- }
+ char buffer[5];
+ int len = getkeyseq(buffer, 0);
+ int i, t;
- /* Only process keys on an upstroke */
+ if (len == 0)
+ return 27;
- if (!ISUP(code))
- return 0;
+ for(i = 0; escape_codes[i].seq != NULL; i++) {
+ char *p = escape_codes[i].seq;
- sc = SCANCODE(code);
+ for(t = 0; t < len; t++) {
+ if (!*p || *p != buffer[t])
+ break;
+ p++;
+ }
- if (sc == 0 || sc > 0x59)
- return ERR;
+ if (t == len)
+ return escape_codes[i].key;
+ }
+
+ return 0;
+}
- shift = (modifiers & SHIFT_MODIFIER) ^ (modifiers & CAPSLOCK_MODIFIER);
+static int cook_serial(unsigned char ch)
+{
+ switch(ch) {
+ case 8:
+ return KEY_BACKSPACE;
- ch = shift ? scancode_map[sc].shift : scancode_map[sc].normal;
+ case 13:
+ return KEY_ENTER;
- if (modifiers & CTRL_MODIFIER)
- ch = (ch >= 0x3F && ch <= 0x5F) ? CTRL(ch) : 0;
+ case 27:
+ return handle_escape();
- return ch;
+ default:
+ return ch;
+ }
}
+#endif
-static int curses_getchar(int delay) {
+/* ================ Keyboard ================ */
- unsigned char c = 0;
- int ret;
+static int curses_getchar(int delay)
+{
+ unsigned short c;
do {
- if (curses_flags & F_ENABLE_CONSOLE)
- c = inb(0x64);
-
- if ((c & 1) == 0) {
-
- if ((curses_flags & F_ENABLE_SERIAL) &&
- serial_havechar()) {
- c = serial_getchar();
- return cook_serial(c);
- }
+#ifdef CONFIG_USB_HID
+ usb_poll();
+ if ((curses_flags & F_ENABLE_CONSOLE) &&
+ usbhid_havechar()) {
+ c = usbhid_getchar();
+ if (c != 0) return c;
+ }
+#endif
+#ifdef CONFIG_PC_KEYBOARD
+ if ((curses_flags & F_ENABLE_CONSOLE) &&
+ keyboard_havechar()) {
+ c = keyboard_getchar();
+ if (c != 0) return c;
+ }
+#endif
- if (!delay)
- break;
+#ifdef CONFIG_SERIAL_CONSOLE
+ if ((curses_flags & F_ENABLE_SERIAL) &&
+ serial_havechar()) {
+ c = serial_getchar();
+ return cook_serial(c);
}
+#endif
- c = inb(0x60);
+ if (delay == 0)
+ break;
- ret = cook_scancodes(c);
+ if (delay > 0) {
+ mdelay(100);
+ delay--;
+ }
- if (ret != 0) {
- return ret;
- }
- } while(1);
+ } while (1);
return ERR;
}
int wgetch(WINDOW *win)
{
- return curses_getchar(win->_delay);
+ int delay = -1;
+
+ if (_halfdelay || win->_delay)
+ delay = win->_delay ? 0 : _halfdelay;
+
+ return curses_getchar(delay);
}
int nodelay(WINDOW *win, NCURSES_BOOL flag)
{
- win->_delay = flag ? 0 : -1;
+ win->_delay = flag ? 1 : 0;
+ return 0;
+}
+
+int halfdelay(int tenths)
+{
+ if (tenths > 255)
+ return ERR;
+
+ _halfdelay = tenths;
+ return 0;
+}
+
+int nocbreak(void)
+{
+ /* Remove half delay timeout. */
+ _halfdelay = 0;
+ return 0;
}
#ifdef CONFIG_VGA_CONSOLE
else
curses_flags &= ~F_ENABLE_CONSOLE;
}
+
+int curses_vga_enabled(void)
+{
+ return (curses_flags & F_ENABLE_CONSOLE) != 0;
+}
#else
void curses_enable_vga(int state) { }
+int curses_vga_enabled(void) { return 0; }
#endif
#ifdef CONFIG_SERIAL_CONSOLE
else
curses_flags &= ~F_ENABLE_SERIAL;
}
+
+int curses_serial_enabled(void)
+{
+ return (curses_flags & F_ENABLE_SERIAL) != 0;
+}
+
#else
void curses_enable_serial(int state) { }
+int curses_serial_enabled(void) { return 0; }
#endif