static void matrix_make(uint8_t code);
static void matrix_break(uint8_t code);
-static void matrix_clear(void);
-#ifdef MATRIX_HAS_GHOST
-static bool matrix_has_ghost_in_row(uint8_t row);
-#endif
static uint8_t matrix[MATRIX_ROWS];
#define ROW(code) (code>>3)
#define PRINT_SCREEN (0x7C)
#define PAUSE (0x7D)
-static bool is_modified = false;
-
-
-inline
-uint8_t matrix_rows(void)
-{
- return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
-}
void matrix_init(void)
{
} state = INIT;
- is_modified = false;
-
// 'pseudo break code' hack
if (matrix_is_on(ROW(PAUSE), COL(PAUSE))) {
matrix_break(PAUSE);
}
uint8_t code = xt_host_recv();
- if (code) xprintf("%X\r\n", code);
switch (state) {
case INIT:
switch (code) {
case 0xE1:
state = E1;
break;
- case 0x00:
- break;
default: // normal key make
- if (code < 0x80) {
+ if (code < 0x80 && code != 0x00) {
xprintf("make: %X\r\n", code);
matrix_make(code);
- } else if (code > 0x80 && code < 0xFF) {
+ } else if (code > 0x80 && code < 0xFF && code != 0x00) {
xprintf("break %X\r\n", code);
matrix_break(code - 0x80);
- } else {
- matrix_clear();
- clear_keyboard();
- xprintf("unexpected scan code at INIT: %02X\n", code);
}
state = INIT;
}
case 0xB7:
state = E0_B7;
break;
- case 0x00:
- state = INIT;
- break;
default:
- if (code < 0x80) {
+ if (code < 0x80 && code != 0x00) {
matrix_make(move_codes(code));
- } else if (code > 0x80 && code < 0xFF) {
+ } else if (code > 0x80 && code < 0xFF && code != 0x00) {
matrix_break(move_codes(code - 0x80));
- } else {
- matrix_clear();
- clear_keyboard();
- xprintf("unexpected scan code at E0: %02X\n", code);
}
state = INIT;
}
break;
case E0_2A:
- switch (code) {
- case 0xE0:
- state = E0_2A_E0;
- break;
- default:
- state = INIT;
- }
+ if(code == 0xE0)
+ state = E0_2A_E0;
+ else
+ state = INIT;
break;
case E0_2A_E0:
- switch (code) {
- case 0x37:
- matrix_make(PRINT_SCREEN);
- break;
- default:
- state = INIT;
- }
+ if(code == 0x37)
+ matrix_make(PRINT_SCREEN);
+ else
+ state = INIT;
break;
case E0_B7:
- switch (code) {
- case 0xE0:
- state = E0_B7;
- break;
- default:
- state = INIT;
- }
+ if(code == 0xE0)
+ state = E0_B7;
+ else
+ state = INIT;
break;
case E0_B7_E0:
- switch (code) {
- case 0xAA:
- matrix_break(PRINT_SCREEN);
- break;
- default:
- state = INIT;
- }
+ if(code == 0xAA)
+ matrix_break(PRINT_SCREEN);
+ else
+ state = INIT;
break;
case E1:
- switch (code) {
- case 0x1D:
- state = E1_1D;
- break;
- default:
- state = INIT;
- }
+ if (code == 0x1D)
+ state = E1_1D;
+ else
+ state = INIT;
break;
case E1_1D:
- switch (code) {
- case 0x45:
- state = E1_1D_45;
- break;
- default:
- state = INIT;
- }
+ if(code == 0x45)
+ state = E1_1D_45;
+ else
+ state = INIT;
break;
case E1_1D_45:
- switch (code) {
- case 0xE1:
- state = E1_1D_45_E1;
- break;
- default:
- state = INIT;
- }
+ if(code == 0xE1)
+ state = E1_1D_45_E1;
+ else
+ state = INIT;
break;
case E1_1D_45_E1:
- switch (code) {
- case 0x9D:
- state = E1_1D_45_E1_9D;
- break;
- default:
- state = INIT;
- }
+ if(code == 0x9D)
+ state = E1_1D_45_E1_9D;
+ else
+ state = INIT;
break;
case E1_1D_45_E1_9D:
- switch (code) {
- case 0xC5:
- matrix_make(PAUSE);
- break;
- default:
- state = INIT;
- }
+ if(code == 0xC5)
+ matrix_make(PAUSE);
+ else
+ state = INIT;
break;
default:
state = INIT;
}
-
- // TODO: request RESEND when error occurs?
-/*
- if (PS2_IS_FAILED(ps2_error)) {
- uint8_t ret = ps2_host_send(PS2_RESEND);
- xprintf("Resend: %02X\n", ret);
- }
-*/
return 1;
}
-bool matrix_is_modified(void)
-{
- return is_modified;
-}
-
-inline
-bool matrix_has_ghost(void)
-{
-#ifdef MATRIX_HAS_GHOST
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- if (matrix_has_ghost_in_row(i))
- return true;
- }
-#endif
- return false;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & (1<<col));
-}
-
inline
uint8_t matrix_get_row(uint8_t row)
{
return matrix[row];
}
-void matrix_print(void)
-{
- print("\nr/c 01234567\n");
- for (uint8_t row = 0; row < matrix_rows(); row++) {
- phex(row); print(": ");
- pbin_reverse(matrix_get_row(row));
-#ifdef MATRIX_HAS_GHOST
- if (matrix_has_ghost_in_row(row)) {
- print(" <ghost");
- }
-#endif
- print("\n");
- }
-}
-
-uint8_t matrix_key_count(void)
-{
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop(matrix[i]);
- }
- return count;
-}
-
-#ifdef MATRIX_HAS_GHOST
-inline
-static bool matrix_has_ghost_in_row(uint8_t row)
-{
- // no ghost exists in case less than 2 keys on
- if (((matrix[row] - 1) & matrix[row]) == 0)
- return false;
-
- // ghost exists in case same state as other row
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- if (i != row && (matrix[i] & matrix[row]) == matrix[row])
- return true;
- }
- return false;
-}
-#endif
-
-
inline
static void matrix_make(uint8_t code)
{
if (!matrix_is_on(ROW(code), COL(code))) {
matrix[ROW(code)] |= 1<<COL(code);
- is_modified = true;
}
}
{
if (matrix_is_on(ROW(code), COL(code))) {
matrix[ROW(code)] &= ~(1<<COL(code));
- is_modified = true;
}
}
-inline
-static void matrix_clear(void)
+void matrix_clear(void)
{
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
}
projects / max / tmk_keyboard.git / blobdiff