PMatrix matrix_copy(PMatrix pm)
{
PMatrix tpm = matrix_make(pm->row, pm->column);
memcpy_s(tpm->matrix, pm->row * pm->column * sizeof(double),
pm->matrix, pm->row * pm->column * sizeof(double));
return tpm;
}
PMatrix matrix_make_rotate2_real(double real)
{
PMatrix pm = matrix_make(2, 2);
pm->matrix[0][0] = pm->matrix[1][1] = cos(real);
pm->matrix[1][0] = sin(real);
pm->matrix[0][1] = -pm->matrix[1][0];
return pm;
}
PMatrix matrix_make_unit(size_t unit_size)
{
PMatrix pm = matrix_make(unit_size, unit_size);
size_t r, c;
for (r = 0; r < unit_size; r++)
for (c = 0; c < unit_size; c++)
r[pm->matrix][c] = r == c ? 1 : 0;
return pm;
}
PMatrix matrix_transpose(PMatrix target)
{
PMatrix pm;
size_t r, c;
pm = matrix_make(target->column, target->row);
for (r = 0; r < target->row; r++)
for (c = 0; c < target->column; c++)
pm->matrix[c][r] = target->matrix[r][c];
return pm;
}
PMatrix matrix_constant_divide(PMatrix pm, double value)
{
PMatrix pmt;
size_t r, c;
pmt = matrix_make(pm->row, pm->column);
for (r = 0; r < pm->row; r++)
for (c = 0; c < pm->column; c++)
pmt->matrix[r][c] = pm->matrix[r][c] / value;
return pmt;
}
PMatrix matrix_each_minus(PMatrix pm_left, PMatrix pm_right)
{
PMatrix pm;
size_t r, c;
if (!matrix_check_row_column(pm_left, pm_right))
return MATRIX_ERROR;
pm = matrix_make(pm_left->row, pm_right->column);
for (r = 0; r < pm_left->row; r++)
for (c = 0; c < pm_left->column; c++)
pm->matrix[r][c] = pm_left->matrix[r][c] - pm_right->matrix[r][c];
return pm;
}
/*
Used to create the rotation matrix. Matrix could be taken from for
example .DXF files directly (3D Studio animations include matrix
for each frame!
*/
void creatematrix(matrix dest, matrix imatrix, signed long frame) {
matrix tmatrix;
// create xy-axis rotation matrix
matrix_make(tmatrix,imatrix);
tmatrix[0]=cosi[frame]; // y-angle
tmatrix[2]=-sini[frame]; // ya
tmatrix[4]=sini[frame]*sini[frame] >> 8; // ya*xa
tmatrix[5]=cosi[frame]; // xa
tmatrix[6]=sini[frame]*cosi[frame] >> 8; //sx*cy
tmatrix[8]=cosi[frame]*sini[frame] >> 8; // cx*sy
tmatrix[9]=-sini[frame]; // -sx
tmatrix[10]=cosi[frame]*cosi[frame] >> 8; //cx*cy
matrixmul(dest,imatrix,tmatrix);
dest[14]=140;
}
PMatrix matrix_make_rotate4y_real(double real)
{
PMatrix pm = matrix_make(4, 4);
pm->matrix[0][0] = pm->matrix[2][2] = cos(real);
pm->matrix[0][2] = sin(real);
pm->matrix[2][0] = -pm->matrix[0][2];
pm->matrix[1][1] = pm->matrix[3][3] = 1.0f;
pm->matrix[0][1] = pm->matrix[0][3] =
pm->matrix[1][0] = pm->matrix[1][2] = pm->matrix[1][3] =
pm->matrix[2][1] = pm->matrix[2][3] =
pm->matrix[3][0] = pm->matrix[3][1] = pm->matrix[3][2]
= 0.0f;
return pm;
}
/*
* IBM 4704 Scan Code
*/
uint8_t matrix_scan(void)
{
uint8_t code = ibm4704_recv();
if (code==0xFF) {
// Not receivd
return 0;
} else if ((code&0x7F) >= 0x7A) {
// 0xFF-FA and 0x7F-7A is not scancode
xprintf("Error: %02X\n", code);
matrix_clear();
return 0;
} else if (code&0x80) {
dprintf("%02X\n", code);
matrix_make(code);
} else {
dprintf("%02X\n", code);
matrix_break(code);
}
return 1;
}
PMatrix matrix_multiple(PMatrix pm_left, PMatrix pm_right)
{
PMatrix pm;
size_t r, c, k;
if (!matrix_check_row_column_multiple(pm_left, pm_right))
return MATRIX_ERROR;
pm = matrix_make(pm_left->row, pm_right->column);
for(r = 0; r < pm_left->row; r++)
for(c = 0; c < pm_right->column; c++)
{
double sum = 0.0f;
for (k = 0; k < pm_right->row; k++)
sum += pm_left->matrix[r][k] * pm_right->matrix[k][c];
pm->matrix[r][c] = sum;
}
return pm;
}
uint8_t matrix_scan(void)
{
static enum {
INIT,
E0,
// Pause: E1 1D 45, E1 9D C5
E1,
E1_1D,
E1_9D,
} state = INIT;
uint8_t code = xt_host_recv();
if (!code) return 0;
dprintf("%02X ", code);
switch (state) {
case INIT:
switch (code) {
case 0xE0:
state = E0;
break;
case 0xE1:
state = E1;
break;
default:
if (code < 0x80)
matrix_make(code);
else
matrix_break(code & 0x7F);
break;
}
break;
case E0:
switch (code) {
case 0x2A:
case 0xAA:
case 0x36:
case 0xB6:
//ignore fake shift
state = INIT;
break;
default:
if (code < 0x80)
matrix_make(move_e0code(code));
else
matrix_break(move_e0code(code & 0x7F));
state = INIT;
break;
}
break;
case E1:
switch (code) {
case 0x1D:
state = E1_1D;
break;
case 0x9D:
state = E1_9D;
break;
default:
state = INIT;
break;
}
break;
case E1_1D:
switch (code) {
case 0x45:
matrix_make(0x55);
break;
default:
state = INIT;
break;
}
break;
case E1_9D:
switch (code) {
case 0x45:
matrix_break(0x55);
break;
default:
state = INIT;
break;
}
break;
default:
state = INIT;
}
return 1;
}
/*
* PS/2 Scan Code Set 2: Exceptional Handling
*
* There are several keys to be handled exceptionally.
* The scan code for these keys are varied or prefix/postfix'd
* depending on modifier key state.
*
* Keyboard Scan Code Specification:
* http://www.microsoft.com/whdc/archive/scancode.mspx
* http://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/scancode.doc
*
*
* 1) Insert, Delete, Home, End, PageUp, PageDown, Up, Down, Right, Left
* a) when Num Lock is off
* modifiers | make | break
* ----------+---------------------------+----------------------
* Ohter | <make> | <break>
* LShift | E0 F0 12 <make> | <break> E0 12
* RShift | E0 F0 59 <make> | <break> E0 59
* L+RShift | E0 F0 12 E0 F0 59 <make> | <break> E0 59 E0 12
*
* b) when Num Lock is on
* modifiers | make | break
* ----------+---------------------------+----------------------
* Other | E0 12 <make> | <break> E0 F0 12
* Shift'd | <make> | <break>
*
* Handling: These prefix/postfix codes are ignored.
*
*
* 2) Keypad /
* modifiers | make | break
* ----------+---------------------------+----------------------
* Ohter | <make> | <break>
* LShift | E0 F0 12 <make> | <break> E0 12
* RShift | E0 F0 59 <make> | <break> E0 59
* L+RShift | E0 F0 12 E0 F0 59 <make> | <break> E0 59 E0 12
*
* Handling: These prefix/postfix codes are ignored.
*
*
* 3) PrintScreen
* modifiers | make | break
* ----------+--------------+-----------------------------------
* Other | E0 12 E0 7C | E0 F0 7C E0 F0 12
* Shift'd | E0 7C | E0 F0 7C
* Control'd | E0 7C | E0 F0 7C
* Alt'd | 84 | F0 84
*
* Handling: These prefix/postfix codes are ignored, and both scan codes
* 'E0 7C' and 84 are seen as PrintScreen.
*
* 4) Pause
* modifiers | make(no break code)
* ----------+--------------------------------------------------
* Other | E1 14 77 E1 F0 14 F0 77
* Control'd | E0 7E E0 F0 7E
*
* Handling: Both code sequences are treated as a whole.
* And we need a ad hoc 'pseudo break code' hack to get the key off
* because it has no break code.
*
*/
uint8_t matrix_scan(void)
{
// scan code reading states
static enum {
INIT,
F0,
E0,
E0_F0,
// Pause
E1,
E1_14,
E1_14_77,
E1_14_77_E1,
E1_14_77_E1_F0,
E1_14_77_E1_F0_14,
E1_14_77_E1_F0_14_F0,
// Control'd Pause
E0_7E,
E0_7E_E0,
E0_7E_E0_F0,
} state = INIT;
is_modified = false;
// 'pseudo break code' hack
if (matrix_is_on(ROW(PAUSE), COL(PAUSE))) {
matrix_break(PAUSE);
}
uint8_t code = ps2_host_recv();
if (!ps2_error) {
switch (state) {
case INIT:
switch (code) {
case 0xE0:
state = E0;
break;
case 0xF0:
state = F0;
break;
case 0xE1:
state = E1;
break;
case 0x83: // F7
matrix_make(F7);
state = INIT;
break;
case 0x84: // Alt'd PrintScreen
matrix_make(PRINT_SCREEN);
state = INIT;
break;
case 0x00: // Overrun [3]p.25
matrix_clear();
clear_keyboard();
print("Overrun\n");
state = INIT;
break;
default: // normal key make
if (code < 0x80) {
matrix_make(code);
} else {
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at INIT: %02X\n", code);
}
state = INIT;
}
break;
case E0: // E0-Prefixed
switch (code) {
case 0x12: // to be ignored
case 0x59: // to be ignored
state = INIT;
break;
case 0x7E: // Control'd Pause
state = E0_7E;
break;
case 0xF0:
state = E0_F0;
break;
default:
if (code < 0x80) {
matrix_make(code|0x80);
} else {
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at E0: %02X\n", code);
}
state = INIT;
}
break;
case F0: // Break code
switch (code) {
case 0x83: // F7
matrix_break(F7);
state = INIT;
break;
case 0x84: // Alt'd PrintScreen
matrix_break(PRINT_SCREEN);
state = INIT;
break;
case 0xF0:
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at F0: F0(clear and cont.)\n");
break;
default:
if (code < 0x80) {
matrix_break(code);
} else {
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at F0: %02X\n", code);
}
state = INIT;
}
break;
case E0_F0: // Break code of E0-prefixed
switch (code) {
case 0x12: // to be ignored
case 0x59: // to be ignored
state = INIT;
break;
default:
if (code < 0x80) {
matrix_break(code|0x80);
} else {
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at E0_F0: %02X\n", code);
}
state = INIT;
}
break;
// following are states of Pause
case E1:
switch (code) {
case 0x14:
state = E1_14;
break;
default:
state = INIT;
}
break;
case E1_14:
switch (code) {
case 0x77:
state = E1_14_77;
break;
default:
state = INIT;
}
break;
case E1_14_77:
switch (code) {
case 0xE1:
state = E1_14_77_E1;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1:
switch (code) {
case 0xF0:
state = E1_14_77_E1_F0;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1_F0:
switch (code) {
case 0x14:
state = E1_14_77_E1_F0_14;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1_F0_14:
switch (code) {
case 0xF0:
state = E1_14_77_E1_F0_14_F0;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1_F0_14_F0:
switch (code) {
case 0x77:
matrix_make(PAUSE);
state = INIT;
break;
default:
state = INIT;
}
break;
// Following are states of Control'd Pause
case E0_7E:
if (code == 0xE0)
state = E0_7E_E0;
else
state = INIT;
break;
case E0_7E_E0:
if (code == 0xF0)
state = E0_7E_E0_F0;
else
state = INIT;
break;
case E0_7E_E0_F0:
if (code == 0x7E)
matrix_make(PAUSE);
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;
}
uint8_t matrix_scan(void)
{
// scan code reading states
static enum {
RESET,
RESET_RESPONSE,
KBD_ID0,
KBD_ID1,
CONFIG,
READY,
F0,
} state = RESET;
is_modified = false;
uint8_t code;
if ((code = ps2_host_recv())) {
debug("r"); debug_hex(code); debug(" ");
}
switch (state) {
case RESET:
debug("wFF ");
if (ps2_host_send(0xFF) == 0xFA) {
debug("[ack]\nRESET_RESPONSE: ");
state = RESET_RESPONSE;
}
break;
case RESET_RESPONSE:
if (code == 0xAA) {
debug("[ok]\nKBD_ID: ");
state = KBD_ID0;
} else if (code) {
debug("err\nRESET: ");
state = RESET;
}
break;
// after reset receive keyboad ID(2 bytes)
case KBD_ID0:
if (code) {
state = KBD_ID1;
}
break;
case KBD_ID1:
if (code) {
debug("\nCONFIG: ");
state = CONFIG;
}
break;
case CONFIG:
debug("wF8 ");
if (ps2_host_send(0xF8) == 0xFA) {
debug("[ack]\nREADY\n");
state = READY;
}
break;
case READY:
switch (code) {
case 0x00:
break;
case 0xF0:
state = F0;
debug(" ");
break;
default: // normal key make
if (code < 0x88) {
matrix_make(code);
} else {
debug("unexpected scan code at READY: "); debug_hex(code); debug("\n");
}
state = READY;
debug("\n");
}
break;
case F0: // Break code
switch (code) {
case 0x00:
break;
default:
if (code < 0x88) {
matrix_break(code);
} else {
debug("unexpected scan code at F0: "); debug_hex(code); debug("\n");
}
state = READY;
debug("\n");
}
break;
}
return 1;
}
/* scan all key states on matrix */
uint8_t matrix_scan(void)
{
_delay_ms(5);
//next_kbd_set_leds(false, false);
NEXT_KBD_LED1_OFF;
is_modified = false;
if (!NEXT_KBD_PWR_READ) {
matrix_make(NEXT_KBD_PWR_KEYCODE);
power_state = 1;
if (is_modified)
{
dprintf("Power state 1\n");
}
} else {
matrix_break(NEXT_KBD_PWR_KEYCODE);
power_state = 0;
if (is_modified)
{
dprintf("Power state 0\n");
}
}
uint32_t resp = (next_kbd_recv());
if (resp == NEXT_KBD_KMBUS_IDLE)
{
return 0;
}
NEXT_KBD_LED1_ON;
#ifdef NEXT_KBD_SHIFT_FLASH_LEDS
next_kbd_set_leds(
NEXT_KBD_PRESSED_SHIFT_LEFT(resp) ? true : false,
NEXT_KBD_PRESSED_SHIFT_RGHT(resp) ? true : false
);
#endif
dprintf("[ r=%04lX keycode=%02X pressed=%X CTRL=%X SHIFT_LEFT=%X SHIFT_RGHT=%X CMD_LEFT=%X CMD_RGHT=%X ALT_LEFT=%X ALT_RGHT=%X ]\n", \
resp, \
NEXT_KBD_KEYCODE(resp), \
NEXT_KBD_PRESSED_KEYCODE(resp), \
NEXT_KBD_PRESSED_CONTROL(resp), \
NEXT_KBD_PRESSED_SHIFT_LEFT(resp), \
NEXT_KBD_PRESSED_SHIFT_RGHT(resp), \
NEXT_KBD_PRESSED_CMD_LEFT(resp), \
NEXT_KBD_PRESSED_CMD_RGHT(resp), \
NEXT_KBD_PRESSED_ALT_LEFT(resp), \
NEXT_KBD_PRESSED_ALT_RGHT(resp) \
);
// Modifier keys don't return keycode; have to check the upper bits
NEXT_KBD_MAKE_OR_BREAK(ALT_RGHT, 0x51);
NEXT_KBD_MAKE_OR_BREAK(ALT_LEFT, 0x52);
NEXT_KBD_MAKE_OR_BREAK(CMD_RGHT, 0x53);
NEXT_KBD_MAKE_OR_BREAK(CMD_LEFT, 0x54);
NEXT_KBD_MAKE_OR_BREAK(SHIFT_RGHT, 0x55);
NEXT_KBD_MAKE_OR_BREAK(SHIFT_LEFT, 0x56);
NEXT_KBD_MAKE_OR_BREAK(CONTROL, 0x57);
NEXT_KBD_MAKE_OR_BREAK(KEYCODE, NEXT_KBD_KEYCODE(resp));
return 1;
}
/*
* PS/2 Scan Code Set 2: Exceptional Handling
*
* There are several keys to be handled exceptionally.
* The scan code for these keys are varied or prefix/postfix'd
* depending on modifier key state.
*
* References:
* http://www.microsoft.com/whdc/archive/scancode.mspx
* http://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/scancode.doc
*
*
* Insert, Delete, Home, End, PageUp, PageDown, Up, Down, Right, Left:
* Num Lock: off
* modifiers | make | break
* ----------+---------------------------+----------------------
* Ohter | <make> | <break>
* LShift | E0 F0 12 <make> | <break> E0 12
* RShift | E0 F0 59 <make> | <break> E0 59
* L+RShift | E0 F0 12 E0 F0 59 <make> | <break> E0 59 E0 12
*
* Num Lock: on
* modifiers | make | break
* ----------+---------------------------+----------------------
* Other | E0 12 <make> | <break> E0 F0 12
* Shift'd | <make> | <break>
*
* Handling: ignore these prefix/postfix codes
*
*
* Keypad-/:
* modifiers | make | break
* ----------+---------------------------+----------------------
* Ohter | <make> | <break>
* LShift | E0 F0 12 <make> | <break> E0 12
* RShift | E0 F0 59 <make> | <break> E0 59
* L+RShift | E0 F0 12 E0 F0 59 <make> | <break> E0 59 E0 12
*
* Handling: ignore these prefix/postfix codes
*
*
* PrintScreen:
* With hoding down modifiers, the scan code is sent as following:
*
* modifiers | make | break
* ----------+--------------+-----------------------------------
* Other | E0 12 E0 7C | E0 F0 7C E0 F0 12
* Shift'd | E0 7C | E0 F0 7C
* Control'd | E0 7C | E0 F0 7C
* Alt'd | 84 | F0 84
*
* Handling: ignore prefix/postfix codes and treat both scan code
* E0 7C and 84 as PrintScreen.
*
* Pause:
* With hoding down modifiers, the scan code is sent as following:
*
* modifiers | make(no break code)
* ----------+--------------------------------------------------
* no mods | E1 14 77 E1 F0 14 F0 77
* Control'd | E0 7E E0 F0 7E
*
* Handling: treat these two code sequence as Pause
*
*/
uint8_t matrix_scan(void)
{
static enum {
INIT,
F0,
E0,
E0_F0,
// states for Pause/Break
E1,
E1_14,
E1_14_77,
E1_14_77_E1,
E1_14_77_E1_F0,
E1_14_77_E1_F0_14,
E1_14_77_E1_F0_14_F0,
} state = INIT;
is_modified = false;
// Pause/Break off(PS/2 has no break for this key)
if (matrix_is_on(ROW(PAUSE), COL(PAUSE))) {
matrix_break(PAUSE);
}
uint8_t code;
while ((code = ps2_host_recv())) {
switch (state) {
case INIT:
switch (code) {
case 0xE0: // 2byte make
state = E0;
break;
case 0xF0: // break code
state = F0;
break;
case 0xE1: // Pause/Break
state = E1;
break;
case 0x83: // F8
matrix_make(F8);
state = INIT;
break;
case 0x84: // PrintScreen
matrix_make(PRINT_SCREEN);
state = INIT;
break;
default: // normal key make
if (code < 0x80) {
matrix_make(code);
} else {
debug("unexpected scan code at INIT: "); debug_hex(code); debug("\n");
}
state = INIT;
}
break;
case E0:
switch (code) {
case 0x12: // postfix/postfix code for exceptional keys
case 0x59: // postfix/postfix code for exceptional keys
// ignore
state = INIT;
break;
case 0x7E: // former part of Control-Pause[E0 7E E0 F0 7E]
matrix_make(PAUSE);
state = INIT;
break;
case 0xF0: // E0 break
state = E0_F0;
break;
default: // E0 make
if (code < 0x80) {
matrix_make(code|0x80);
} else {
debug("unexpected scan code at E0: "); debug_hex(code); debug("\n");
}
state = INIT;
}
break;
case F0:
switch (code) {
case 0x83:
matrix_break(F8);
state = INIT;
break;
case 0x84:
matrix_break(PRINT_SCREEN);
state = INIT;
break;
default:
if (code < 0x80) {
matrix_break(code);
} else {
debug("unexpected scan code at F0: "); debug_hex(code); debug("\n");
}
state = INIT;
}
break;
case E0_F0: // E0 break
switch (code) {
case 0x12: // postfix/postfix code for exceptional keys
case 0x59: // postfix/postfix code for exceptional keys
case 0x7E: // latter part of Control-Pause[E0 7E E0 F0 7E]
// ignore
state = INIT;
break;
default:
if (code < 0x80) {
matrix_break(code|0x80);
} else {
debug("unexpected scan code at E0_F0: "); debug_hex(code); debug("\n");
}
state = INIT;
}
break;
/* Pause */
case E1:
switch (code) {
case 0x14:
state = E1_14;
break;
default:
state = INIT;
}
break;
case E1_14:
switch (code) {
case 0x77:
state = E1_14_77;
break;
default:
state = INIT;
}
break;
case E1_14_77:
switch (code) {
case 0xE1:
state = E1_14_77_E1;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1:
switch (code) {
case 0xF0:
state = E1_14_77_E1_F0;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1_F0:
switch (code) {
case 0x14:
state = E1_14_77_E1_F0_14;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1_F0_14:
switch (code) {
case 0xF0:
state = E1_14_77_E1_F0_14_F0;
break;
default:
state = INIT;
}
break;
case E1_14_77_E1_F0_14_F0:
switch (code) {
case 0x77:
matrix_make(PAUSE);
state = INIT;
break;
default:
state = INIT;
}
break;
default:
state = INIT;
}
phex(code);
}
return 1;
}
uint8_t matrix_scan(void)
{
// scan code reading states
static enum {
INIT,
E0,
E0_2A,
E0_2A_E0,
E0_B7,
E0_B7_E0,
// print screen
E1,
E1_1D,
E1_1D_45,
E1_1D_45_E1,
E1_1D_45_E1_9D,
// pause
} 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();
switch (state) {
case INIT:
switch (code) {
case 0xE0:
state = E0;
break;
case 0xE1:
state = E1;
break;
default: // normal key make
if (code < 0x80 && code != 0x00) {
xprintf("make: %X\r\n", code);
matrix_make(code);
} else if (code > 0x80 && code < 0xFF && code != 0x00) {
xprintf("break %X\r\n", code);
matrix_break(code - 0x80);
}
state = INIT;
}
break;
case E0: // E0-Prefixed
switch (code) { //move these codes to unused places on the matrix
case 0x2A:
state = E0_2A;
break;
case 0xB7:
state = E0_B7;
break;
default:
if (code < 0x80 && code != 0x00) {
matrix_make(move_codes(code));
} else if (code > 0x80 && code < 0xFF && code != 0x00) {
matrix_break(move_codes(code - 0x80));
}
state = INIT;
}
break;
case E0_2A:
if(code == 0xE0)
state = E0_2A_E0;
else
state = INIT;
break;
case E0_2A_E0:
if(code == 0x37)
matrix_make(PRINT_SCREEN);
else
state = INIT;
break;
case E0_B7:
if(code == 0xE0)
state = E0_B7;
else
state = INIT;
break;
case E0_B7_E0:
if(code == 0xAA)
matrix_break(PRINT_SCREEN);
else
state = INIT;
break;
case E1:
if (code == 0x1D)
state = E1_1D;
else
state = INIT;
break;
case E1_1D:
if(code == 0x45)
state = E1_1D_45;
else
state = INIT;
break;
case E1_1D_45:
if(code == 0xE1)
state = E1_1D_45_E1;
else
state = INIT;
break;
case E1_1D_45_E1:
if(code == 0x9D)
state = E1_1D_45_E1_9D;
else
state = INIT;
break;
case E1_1D_45_E1_9D:
if(code == 0xC5)
matrix_make(PAUSE);
else
state = INIT;
break;
default:
state = INIT;
}
return 1;
}
