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adds power_up to quantum's matrix file

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This commit is contained in:
Jack Humbert 2016-06-17 22:09:59 -04:00
parent de326d078d
commit 008c8d54a0
1 changed files with 24 additions and 0 deletions
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24
quantum/matrix.c
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@ -66,6 +66,30 @@ uint8_t matrix_cols(void) {
return MATRIX_COLS;
}
void matrix_power_up(void) {
#if DIODE_DIRECTION == COL2ROW
for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
/* DDRxn */
_SFR_IO8(row_pins[r].input_addr + 1) |= _BV(row_pins[r].bit);
toggle_row(r);
}
for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
/* PORTxn */
_SFR_IO8(col_pins[c].input_addr + 2) |= _BV(col_pins[c].bit);
}
#else
for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
/* DDRxn */
_SFR_IO8(col_pins[c].input_addr + 1) |= _BV(col_pins[c].bit);
toggle_col(c);
}
for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
/* PORTxn */
_SFR_IO8(row_pins[r].input_addr + 2) |= _BV(row_pins[r].bit);
}
#endif
}
void matrix_init(void) {
/* frees PORTF by setting the JTD bit twice within four cycles */
#ifdef __AVR_ATmega32U4__