From 6f81880f17f94cb9a2e7a09f2f028c83e5d8b1db Mon Sep 17 00:00:00 2001
From: Ryan <fauxpark@gmail.com>
Date: Mon, 27 Dec 2021 21:15:56 +1100
Subject: Convert some more boards to Matrix Lite (#15489)

---
 keyboards/chimera_ls/matrix.c | 131 +++++-------------------------------------
 1 file changed, 14 insertions(+), 117 deletions(-)

(limited to 'keyboards/chimera_ls/matrix.c')

diff --git a/keyboards/chimera_ls/matrix.c b/keyboards/chimera_ls/matrix.c
index 354346ca09..a92c3e8431 100644
--- a/keyboards/chimera_ls/matrix.c
+++ b/keyboards/chimera_ls/matrix.c
@@ -15,90 +15,18 @@ 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 <stdint.h>
-#include <stdbool.h>
-#if defined(__AVR__)
-#include <avr/io.h>
-#endif
-#include "wait.h"
-#include "print.h"
-#include "debug.h"
-#include "util.h"
+
+#include "quantum.h"
 #include "matrix.h"
-#include "timer.h"
 #include "uart.h"
 
-#if (MATRIX_COLS <= 8)
-#    define print_matrix_header()  print("\nr/c 01234567\n")
-#    define print_matrix_row(row)  print_bin_reverse8(matrix_get_row(row))
-#    define matrix_bitpop(i)       bitpop(matrix[i])
-#    define ROW_SHIFTER ((uint8_t)1)
-#elif (MATRIX_COLS <= 16)
-#    define print_matrix_header()  print("\nr/c 0123456789ABCDEF\n")
-#    define print_matrix_row(row)  print_bin_reverse16(matrix_get_row(row))
-#    define matrix_bitpop(i)       bitpop16(matrix[i])
-#    define ROW_SHIFTER ((uint16_t)1)
-#elif (MATRIX_COLS <= 32)
-#    define print_matrix_header()  print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
-#    define print_matrix_row(row)  print_bin_reverse32(matrix_get_row(row))
-#    define matrix_bitpop(i)       bitpop32(matrix[i])
-#    define ROW_SHIFTER  ((uint32_t)1)
-#elif (MATRIX_COLS <= 64)
-#    define print_matrix_header()  print("\nr/c 0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF\n")
-#    define print_matrix_row(row)  print_bin_reverse64(matrix_get_row(row))
-#    define matrix_bitpop(i)       bitpop64(matrix[i])
-#    define ROW_SHIFTER  ((uint64_t)1)
-#endif
-
-/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-
-__attribute__ ((weak))
-void matrix_init_quantum(void) {
-    matrix_init_kb();
-}
-
-__attribute__ ((weak))
-void matrix_scan_quantum(void) {
-    matrix_scan_kb();
-}
-
-__attribute__ ((weak))
-void matrix_init_kb(void) {
-    matrix_init_user();
-}
-
-__attribute__ ((weak))
-void matrix_scan_kb(void) {
-    matrix_scan_user();
-}
-
-__attribute__ ((weak))
-void matrix_init_user(void) {
-}
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {
-}
-
-inline
-uint8_t matrix_rows(void) {
-    return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void) {
-    return MATRIX_COLS;
-}
-
-void matrix_init(void) {
-    matrix_init_quantum();
+void matrix_init_custom(void) {
     uart_init(1000000);
 }
 
-uint8_t matrix_scan(void)
-{
+bool matrix_scan_custom(matrix_row_t current_matrix[]) {
     uint32_t timeout = 0;
+    bool changed = false;
 
     //the s character requests the RF slave to send the matrix
     uart_write('s');
@@ -111,9 +39,9 @@ uint8_t matrix_scan(void)
         //wait for the serial data, timeout if it's been too long
         //this only happened in testing with a loose wire, but does no
         //harm to leave it in here
-        while(!uart_available()){
+        while (!uart_available()) {
             timeout++;
-            if (timeout > 10000){
+            if (timeout > 10000) {
                 break;
             }
         }
@@ -122,47 +50,16 @@ uint8_t matrix_scan(void)
 
     //check for the end packet, the key state bytes use the LSBs, so 0xE0
     //will only show up here if the correct bytes were recieved
-    if (uart_data[10] == 0xE0)
-    {
+    if (uart_data[10] == 0xE0) {
         //shifting and transferring the keystates to the QMK matrix variable
         for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-            matrix[i] = (uint16_t) uart_data[i*2] | (uint16_t) uart_data[i*2+1] << 5;
+            matrix_row_t current_row = (uint16_t) uart_data[i * 2] | (uint16_t) uart_data[i * 2 + 1] << 5;
+            if (current_matrix[i] != current_row) {
+                changed = true;
+            }
+            current_matrix[i] = current_row;
         }
     }
 
-
-    matrix_scan_quantum();
-    return 1;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-    return (matrix[row] & ((matrix_row_t)1<<col));
-}
-
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
-    return matrix[row];
-}
-
-void matrix_print(void)
-{
-    print_matrix_header();
-
-    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
-        print_hex8(row); print(": ");
-        print_matrix_row(row);
-        print("\n");
-    }
-}
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        count += matrix_bitpop(i);
-    }
-    return count;
+    return changed;
 }
-- 
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