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-rw-r--r--keyboards/tzarc/ghoul/ghoul.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/keyboards/tzarc/ghoul/ghoul.c b/keyboards/tzarc/ghoul/ghoul.c
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+++ b/keyboards/tzarc/ghoul/ghoul.c
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+// Copyright 2018-2022 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-3.0-or-later
+#include QMK_KEYBOARD_H
+#include "analog.h"
+#include "spi_master.h"
+
+void keyboard_post_init_kb(void) {
+ // Enable RGB current limiter and wait for a bit before allowing RGB to continue
+ setPinOutput(RGB_ENABLE_PIN);
+ writePinHigh(RGB_ENABLE_PIN);
+ wait_ms(20);
+
+ // Offload to the user func
+ keyboard_post_init_user();
+}
+
+void matrix_init_custom(void) {
+ // SPI Matrix
+ setPinOutput(SPI_MATRIX_CHIP_SELECT_PIN);
+ writePinHigh(SPI_MATRIX_CHIP_SELECT_PIN);
+ spi_init();
+
+ // Encoder pushbutton
+ setPinInputLow(ENCODER_PUSHBUTTON_PIN);
+}
+
+bool matrix_scan_custom(matrix_row_t current_matrix[]) {
+ static matrix_row_t temp_matrix[MATRIX_ROWS] = {0};
+
+ // Read from SPI the matrix
+ spi_start(SPI_MATRIX_CHIP_SELECT_PIN, false, 0, SPI_MATRIX_DIVISOR);
+ spi_receive((uint8_t*)temp_matrix, MATRIX_SHIFT_REGISTER_COUNT * sizeof(matrix_row_t));
+ spi_stop();
+
+ // Read from the encoder pushbutton
+ temp_matrix[5] = readPin(ENCODER_PUSHBUTTON_PIN) ? 1 : 0;
+
+ // Check if we've changed, return the last-read data
+ bool changed = memcmp(current_matrix, temp_matrix, sizeof(temp_matrix)) != 0;
+ if (changed) {
+ memcpy(current_matrix, temp_matrix, sizeof(temp_matrix));
+ }
+ return changed;
+}