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-rw-r--r--keyboards/rgbkb/mun/matrix.c190
1 files changed, 48 insertions, 142 deletions
diff --git a/keyboards/rgbkb/mun/matrix.c b/keyboards/rgbkb/mun/matrix.c
index 497ab041f4..b859847f10 100644
--- a/keyboards/rgbkb/mun/matrix.c
+++ b/keyboards/rgbkb/mun/matrix.c
@@ -7,150 +7,56 @@
* ----------------------------------------------------------------------------
*/
-#include <stdint.h>
-#include <stdbool.h>
-#include <string.h>
-#include "util.h"
#include "matrix.h"
-#include "debounce.h"
-#include "quantum.h"
-#include "split_util.h"
-#include "config.h"
-#include "transactions.h"
-
-#define ERROR_DISCONNECT_COUNT 5
-#define ROWS_PER_HAND (MATRIX_ROWS / 2)
-
-static const pin_t row_pins[ROWS_PER_HAND] = MATRIX_ROW_PINS;
-static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
-
-/* matrix state(1:on, 0:off) */
-extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
-extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
-
-// row offsets for each hand
-uint8_t thisHand, thatHand;
-
-// user-defined overridable functions
-__attribute__((weak)) void matrix_slave_scan_kb(void) { matrix_slave_scan_user(); }
-__attribute__((weak)) void matrix_slave_scan_user(void) {}
-
-static void 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_init(void) {
- split_pre_init();
-
- thisHand = isLeftHand ? 0 : (ROWS_PER_HAND);
- thatHand = ROWS_PER_HAND - thisHand;
-
- // initialize key pins
- init_pins();
-
- // initialize matrix state: all keys off
- memset(raw_matrix, 0, sizeof(raw_matrix));
- memset(matrix, 0, sizeof(matrix));
-
- debounce_init(ROWS_PER_HAND);
-
- matrix_init_quantum();
-
- split_post_init();
-}
-
-bool matrix_post_scan(void) {
- bool changed = false;
- if (is_keyboard_master()) {
- static uint8_t error_count;
-
- matrix_row_t slave_matrix[ROWS_PER_HAND] = {0};
- if (!transport_master(matrix + thisHand, slave_matrix)) {
- error_count++;
-
- if (error_count > ERROR_DISCONNECT_COUNT) {
- // reset other half if disconnected
- memset(&matrix[thatHand], 0, sizeof(slave_matrix));
- memset(slave_matrix, 0, sizeof(slave_matrix));
-
- changed = true;
- }
- } else {
- error_count = 0;
-
- if (memcmp(&matrix[thatHand], slave_matrix, sizeof(slave_matrix)) != 0) {
- memcpy(&matrix[thatHand], slave_matrix, sizeof(slave_matrix));
- changed = true;
- }
- }
-
- matrix_scan_quantum();
- } else {
- transport_slave(matrix + thatHand, matrix + thisHand);
-
- matrix_slave_scan_kb();
- }
-
- return changed;
+#include "atomic_util.h"
+#include "gpio.h"
+
+static pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+
+void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
+ /* Drive row pin low. */
+ ATOMIC_BLOCK_FORCEON { writePinLow(row_pins[current_row]); }
+ matrix_output_select_delay();
+
+ /* Read all columns in one go, aka port scanning. */
+ uint16_t porta = palReadPort(GPIOA);
+ uint16_t portb = palReadPort(GPIOB);
+
+ /* 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)
+
+ /* Reverse the order of columns for left hand as the board is flipped. */
+ // if (isLeftHand) {
+ // #if defined(__arm__)
+ // /* rbit assembly reverses bit order of 32bit registers. */
+ // uint32_t temp = cols;
+ // __asm__("rbit %0, %1" : "=r"(temp) : "r"(temp));
+ // cols = temp >> 24;
+ // #else
+ // /* RISC-V bit manipulation extension not present. Use bit-hack.
+ // https://graphics.stanford.edu/~seander/bithacks.html#ReverseByteWith32Bits */
+ // cols = (matrix_row_t)(((cols * 0x0802LU & 0x22110LU) | (cols * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16);
+ // #endif
+ // }
+
+ current_matrix[current_row] = cols;
+
+ /* Drive row pin high again. */
+ ATOMIC_BLOCK_FORCEON { writePinHigh(row_pins[current_row]); }
+ matrix_output_unselect_delay(current_row, row_pins[current_row] != 0);
}
-uint8_t matrix_scan(void) {
- bool local_changed = false;
- matrix_row_t current_matrix[ROWS_PER_HAND];
-
- for (size_t row_idx = 0; row_idx < ROWS_PER_HAND; row_idx++) {
- /* Drive row pin low. */
- ATOMIC_BLOCK_FORCEON { writePinLow(row_pins[row_idx]); }
- matrix_output_select_delay();
-
- /* Read all columns in one go, aka port scanning. */
- uint16_t porta = palReadPort(GPIOA);
- uint16_t portb = palReadPort(GPIOB);
-
- /* 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)
-
- /* Reverse the order of columns for left hand as the board is flipped. */
- // if (isLeftHand) {
- // #if defined(__arm__)
- // /* rbit assembly reverses bit order of 32bit registers. */
- // uint32_t temp = cols;
- // __asm__("rbit %0, %1" : "=r"(temp) : "r"(temp));
- // cols = temp >> 24;
- // #else
- // /* RISC-V bit manipulation extension not present. Use bit-hack.
- // https://graphics.stanford.edu/~seander/bithacks.html#ReverseByteWith32Bits */
- // cols = (matrix_row_t)(((cols * 0x0802LU & 0x22110LU) | (cols * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16);
- // #endif
- // }
-
- current_matrix[row_idx] = cols;
-
- /* Drive row pin high again. */
- ATOMIC_BLOCK_FORCEON { writePinHigh(row_pins[row_idx]); }
- matrix_output_unselect_delay(row_idx, row_pins[row_idx] != 0);
+#if defined(BUSY_WAIT)
+void matrix_output_unselect_delay(uint8_t line, bool key_pressed) {
+ for (int32_t i = 0; i < BUSY_WAIT_INSTRUCTIONS; i++) {
+ __asm__ volatile("nop" ::: "memory");
}
-
- if (memcmp(raw_matrix, current_matrix, sizeof(current_matrix)) != 0) {
- memcpy(raw_matrix, current_matrix, sizeof(current_matrix));
- local_changed = true;
- }
-
- debounce(raw_matrix, matrix + thisHand, ROWS_PER_HAND, local_changed);
-
- bool remote_changed = matrix_post_scan();
- return (uint8_t)(local_changed || remote_changed);
}
+#endif
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