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-rw-r--r--keyboards/rgbkb/mun/matrix.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/keyboards/rgbkb/mun/matrix.c b/keyboards/rgbkb/mun/matrix.c
index b859847f10..2472d217c7 100644
--- a/keyboards/rgbkb/mun/matrix.c
+++ b/keyboards/rgbkb/mun/matrix.c
@@ -11,7 +11,19 @@
#include "atomic_util.h"
#include "gpio.h"
-static pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+#define ROWS_PER_HAND (MATRIX_ROWS / 2)
+static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+
+void matrix_init_pins(void) {
+ for (size_t i = 0; i < MATRIX_COLS; i++) {
+ setPinInputHigh(col_pins[i]);
+ }
+ for (size_t i = 0; i < ROWS_PER_HAND; i++) {
+ setPinOutput(row_pins[i]);
+ writePinHigh(row_pins[i]);
+ }
+}
void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
/* Drive row pin low. */
@@ -22,15 +34,17 @@ void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
uint16_t porta = palReadPort(GPIOA);
uint16_t portb = palReadPort(GPIOB);
+// clang-format off
/* Order of pins on the mun is: A0, B11, B0, B10, B12, B2, A8
Pin is active low, therefore we have to invert the result. */
- matrix_row_t cols = ~(((porta & (0x1 << 0)) >> 0) // A0 (0)
- | ((portb & (0x1 << 11)) >> 10) // B11 (1)
- | ((portb & (0x1 << 0)) << 2) // B0 (2)
- | ((portb & (0x1 << 10)) >> 7) // B10 (3)
- | ((portb & (0x1 << 12)) >> 8) // B12 (4)
- | ((portb & (0x1 << 2)) << 3) // B2 (5)
- | ((porta & (0x1 << 8)) >> 2)); // A8 (6)
+ matrix_row_t cols = ~(((porta & (0x1 << 0)) >> 0) // A0 (0)
+ | ((portb & (0x1 << 11)) >> 10) // B11 (1)
+ | ((portb & (0x1 << 0)) << 2) // B0 (2)
+ | ((portb & (0x1 << 10)) >> 7) // B10 (3)
+ | ((portb & (0x1 << 12)) >> 8) // B12 (4)
+ | ((portb & (0x1 << 2)) << 3) // B2 (5)
+ | ((porta & (0x1 << 8)) >> 2)); // A8 (6)
+// clang-format on
/* Reverse the order of columns for left hand as the board is flipped. */
// if (isLeftHand) {
@@ -50,7 +64,7 @@ void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
/* Drive row pin high again. */
ATOMIC_BLOCK_FORCEON { writePinHigh(row_pins[current_row]); }
- matrix_output_unselect_delay(current_row, row_pins[current_row] != 0);
+ matrix_output_unselect_delay(current_row, cols != 0);
}
#if defined(BUSY_WAIT)