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authorDrashna Jaelre <drashna@live.com>2022-07-26 12:50:45 -0700
committerGitHub <noreply@github.com>2022-07-26 20:50:45 +0100
commit5f36285fc5905913aea0671e037bb343fd84391f (patch)
treefe678b41ae43d5ff42546a828f0028325eb55c05 /keyboards/work_louder/micro/matrix.c
parent9dbc0473efd64ae246e171fe0201708725c9eeda (diff)
[Keyboard] Add work louder micro (#17586)
* [Keyboard] Add work louder micro * Update keyboards/work_louder/micro/readme.md * Update readme * Update kb config files * Update to use encoder map Co-authored-by: Tom Barnes <barnestom@me.com>
Diffstat (limited to 'keyboards/work_louder/micro/matrix.c')
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1 files changed, 131 insertions, 0 deletions
diff --git a/keyboards/work_louder/micro/matrix.c b/keyboards/work_louder/micro/matrix.c
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+// Copyright 2022 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/*
+ * scan matrix
+ */
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include "wait.h"
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "matrix.h"
+#include "debounce.h"
+#include QMK_KEYBOARD_H
+
+/* matrix state(1:on, 0:off) */
+extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
+extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
+
+static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+#define MATRIX_ROW_SHIFTER ((matrix_row_t)1)
+
+static inline void setPinOutput_writeLow(pin_t pin) {
+ ATOMIC_BLOCK_FORCEON {
+ setPinOutput(pin);
+ writePinLow(pin);
+ }
+}
+
+static inline void setPinOutput_writeHigh(pin_t pin) {
+ ATOMIC_BLOCK_FORCEON {
+ setPinOutput(pin);
+ writePinHigh(pin);
+ }
+}
+
+static inline void setPinInputHigh_atomic(pin_t pin) {
+ ATOMIC_BLOCK_FORCEON {
+ setPinInputHigh(pin);
+ }
+}
+
+static inline uint8_t readMatrixPin(pin_t pin) {
+ if (pin != NO_PIN) {
+ return readPin(pin);
+ } else {
+ return 1;
+ }
+}
+
+static bool select_row(uint8_t row) {
+ pin_t pin = row_pins[row];
+ if (pin != NO_PIN) {
+ setPinOutput_writeLow(pin);
+ return true;
+ }
+ return false;
+}
+
+static void unselect_row(uint8_t row) {
+ pin_t pin = row_pins[row];
+ if (pin != NO_PIN) {
+ setPinInputHigh_atomic(pin);
+ }
+}
+
+static void unselect_rows(void) {
+ for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
+ unselect_row(x);
+ }
+}
+
+__attribute__((weak)) void matrix_init_custom(void) {
+ unselect_rows();
+ for (uint8_t x = 0; x < MATRIX_COLS; x++) {
+ if (col_pins[x] != NO_PIN) {
+ setPinInputHigh_atomic(col_pins[x]);
+ }
+ }
+ setPinInputHigh_atomic(F7);
+ setPinInputHigh_atomic(F0);
+}
+
+void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
+ // Start with a clear matrix row
+ matrix_row_t current_row_value = 0;
+
+ if (!select_row(current_row)) { // Select row
+ return; // skip NO_PIN row
+ }
+ matrix_output_select_delay();
+
+ // For each col...
+ matrix_row_t row_shifter = MATRIX_ROW_SHIFTER;
+ for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++, row_shifter <<= 1) {
+ uint8_t pin_state = 0;
+ if (current_row == 3 && col_index == 0) {
+ pin_state = !readMatrixPin(F7);
+ } else if (current_row == 3 && col_index == 3) {
+ pin_state = !readMatrixPin(F0);
+ } else {
+ pin_state = readMatrixPin(col_pins[col_index]);
+ }
+ // Populate the matrix row with the state of the col pin
+ current_row_value |= pin_state ? 0 : row_shifter;
+ }
+
+ // Unselect row
+ unselect_row(current_row);
+ matrix_output_unselect_delay(current_row, current_row_value != 0); // wait for all Col signals to go HIGH
+
+ // Update the matrix
+ current_matrix[current_row] = current_row_value;
+}
+
+bool matrix_scan_custom(matrix_row_t current_matrix[]) {
+ static matrix_row_t temp_matrix[MATRIX_ROWS] = {0};
+
+ for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
+ matrix_read_cols_on_row(temp_matrix, current_row);
+ }
+
+ bool changed = memcmp(current_matrix, temp_matrix, sizeof(temp_matrix)) != 0;
+ if (changed) {
+ memcpy(current_matrix, temp_matrix, sizeof(temp_matrix));
+ }
+ return changed;
+}