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authorJoel Challis <git@zvecr.com>2021-07-22 23:01:19 +0100
committerGitHub <noreply@github.com>2021-07-22 23:01:19 +0100
commit5d7f2823c947264d3ff3bb4f057f8e050d6b4af1 (patch)
treea1cfdefd57fd2fcc7afcc1fa025da25538cc692d /keyboards/massdrop/ctrl/matrix.c
parent95a7c2282466252641a1d0bb1b15d50752193f4b (diff)
Implement GPIO abstraction for atsam (#13567)
* Implement GPIO abstraction for atsam * Convert Drop boards to normal matrix config * Work round pin conflicts and matrix delay
Diffstat (limited to 'keyboards/massdrop/ctrl/matrix.c')
-rw-r--r--keyboards/massdrop/ctrl/matrix.c76
1 files changed, 0 insertions, 76 deletions
diff --git a/keyboards/massdrop/ctrl/matrix.c b/keyboards/massdrop/ctrl/matrix.c
deleted file mode 100644
index a542d18c29..0000000000
--- a/keyboards/massdrop/ctrl/matrix.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
-Copyright 2018 Massdrop Inc.
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "ctrl.h"
-#include "d51_util.h"
-
-const uint8_t row_ports[] = {MATRIX_ROW_PORTS};
-const uint8_t row_pins[] = {MATRIX_ROW_PINS};
-const uint8_t col_ports[] = {MATRIX_COL_PORTS};
-const uint8_t col_pins[] = {MATRIX_COL_PINS};
-uint32_t row_masks[2]; // NOTE: If more than PA PB used in the future, adjust code to accommodate
-
-void matrix_init_custom(void) {
- row_masks[PA] = 0;
- row_masks[PB] = 0;
-
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- PORT->Group[row_ports[row]].DIRCLR.reg = 1 << row_pins[row]; // Input
- PORT->Group[row_ports[row]].OUTCLR.reg = 1 << row_pins[row]; // Low
- PORT->Group[row_ports[row]].PINCFG[row_pins[row]].bit.INEN = 1; // Input Enable,
- PORT->Group[row_ports[row]].PINCFG[row_pins[row]].bit.PULLEN = 1; // Pull Enable
- row_masks[row_ports[row]] |= 1 << row_pins[row]; // Add pin to proper row mask
- }
-
- for (uint8_t col = 0; col < MATRIX_COLS; col++) {
- PORT->Group[col_ports[col]].DIRSET.reg = 1 << col_pins[col]; // Output
- PORT->Group[col_ports[col]].OUTCLR.reg = 1 << col_pins[col]; // Low
- }
-}
-
-bool matrix_scan_custom(matrix_row_t current_matrix[]) {
- matrix_row_t raw[MATRIX_ROWS] = {0};
- uint32_t scans[2]; // PA PB
-
- for (uint8_t col = 0; col < MATRIX_COLS; col++) {
- PORT->Group[col_ports[col]].OUTSET.reg = 1 << col_pins[col]; // Set col output
-
- matrix_io_delay(); // Delay for output
-
- scans[PA] = PORT->Group[PA].IN.reg & row_masks[PA]; // Read PA row pins data
- scans[PB] = PORT->Group[PB].IN.reg & row_masks[PB]; // Read PB row pins data
-
- PORT->Group[col_ports[col]].OUTCLR.reg = 1 << col_pins[col]; // Clear col output
-
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- // Move scan bits from scans array into proper row bit locations
- if (scans[row_ports[row]] & (1 << row_pins[row])) {
- raw[row] |= 1 << col;
- }
- }
- }
-
- bool changed = false;
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- if (current_matrix[row] != raw[row]) {
- current_matrix[row] = raw[row];
- changed = true;
- }
- }
-
- return changed;
-}