adds power_up to quantum's matrix file
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1 changed files with 24 additions and 0 deletions
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@ -66,6 +66,30 @@ uint8_t matrix_cols(void) {
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return MATRIX_COLS;
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}
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void matrix_power_up(void) {
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#if DIODE_DIRECTION == COL2ROW
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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/* DDRxn */
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_SFR_IO8(row_pins[r].input_addr + 1) |= _BV(row_pins[r].bit);
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toggle_row(r);
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}
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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/* PORTxn */
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_SFR_IO8(col_pins[c].input_addr + 2) |= _BV(col_pins[c].bit);
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}
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#else
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for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
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/* DDRxn */
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_SFR_IO8(col_pins[c].input_addr + 1) |= _BV(col_pins[c].bit);
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toggle_col(c);
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}
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for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
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/* PORTxn */
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_SFR_IO8(row_pins[r].input_addr + 2) |= _BV(row_pins[r].bit);
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}
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#endif
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}
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void matrix_init(void) {
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/* frees PORTF by setting the JTD bit twice within four cycles */
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#ifdef __AVR_ATmega32U4__
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