The prototype of matrix_output_unselect_delay() has been changed as follows.
```c
void matrix_output_unselect_delay(uint8_t line, bool key_pressed);
```
Currently, no keyboard seems to be redefining `matrix_output_unselect_delay()`, so there is no change in the system behavior.
With this change, the keyboard level code can get some optimization hints, for example, the following.
```c
 void matrix_output_unselect_delay(uint8_t line, bool key_pressed) {
     /* If none of the keys are pressed,
      *  there is no need to wait for time for the next line. */
     if (key_pressed) {
 #ifdef MATRIX_IO_DELAY
 #  if MATRIX_IO_DELAY > 0
         wait_us(MATRIX_IO_DELAY);
 #  endif
 #else
         wait_us(30);
 #endif
     }
}
```
		
	
		
			
				
	
	
		
			122 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "quantum.h"
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| #include "matrix.h"
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| #include "debounce.h"
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| #include "wait.h"
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| #include "print.h"
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| #include "debug.h"
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| 
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| #ifndef MATRIX_IO_DELAY
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| #    define MATRIX_IO_DELAY 30
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| #endif
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| 
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| /* matrix state(1:on, 0:off) */
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| matrix_row_t raw_matrix[MATRIX_ROWS];
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| matrix_row_t matrix[MATRIX_ROWS];
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| 
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| #ifdef MATRIX_MASKED
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| extern const matrix_row_t matrix_mask[];
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| #endif
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| 
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| // user-defined overridable functions
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| 
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| __attribute__((weak)) void matrix_init_kb(void) { matrix_init_user(); }
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| 
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| __attribute__((weak)) void matrix_scan_kb(void) { matrix_scan_user(); }
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| 
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| __attribute__((weak)) void matrix_init_user(void) {}
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| 
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| __attribute__((weak)) void matrix_scan_user(void) {}
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| 
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| // helper functions
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| 
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| inline uint8_t matrix_rows(void) { return MATRIX_ROWS; }
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| 
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| inline uint8_t matrix_cols(void) { return MATRIX_COLS; }
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| 
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| inline bool matrix_is_on(uint8_t row, uint8_t col) { return (matrix[row] & ((matrix_row_t)1 << col)); }
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| 
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| inline matrix_row_t matrix_get_row(uint8_t row) {
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|     // Matrix mask lets you disable switches in the returned matrix data. For example, if you have a
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|     // switch blocker installed and the switch is always pressed.
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| #ifdef MATRIX_MASKED
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|     return matrix[row] & matrix_mask[row];
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| #else
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|     return matrix[row];
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| #endif
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| }
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| 
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| // Deprecated.
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| bool matrix_is_modified(void) {
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|     if (debounce_active()) return false;
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|     return true;
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| }
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| 
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| #if (MATRIX_COLS <= 8)
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| #    define print_matrix_header() print("\nr/c 01234567\n")
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| #    define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
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| #    define matrix_bitpop(row) bitpop(matrix_get_row(row))
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| #elif (MATRIX_COLS <= 16)
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| #    define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
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| #    define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
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| #    define matrix_bitpop(row) bitpop16(matrix_get_row(row))
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| #elif (MATRIX_COLS <= 32)
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| #    define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
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| #    define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
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| #    define matrix_bitpop(row) bitpop32(matrix_get_row(row))
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| #endif
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| 
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| void matrix_print(void) {
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|     print_matrix_header();
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| 
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|     for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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|         print_hex8(row);
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|         print(": ");
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|         print_matrix_row(row);
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|         print("\n");
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|     }
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| }
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| 
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| uint8_t matrix_key_count(void) {
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|     uint8_t count = 0;
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|     for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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|         count += matrix_bitpop(i);
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|     }
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|     return count;
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| }
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| 
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| /* `matrix_io_delay ()` exists for backwards compatibility. From now on, use matrix_output_unselect_delay(). */
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| __attribute__((weak)) void matrix_io_delay(void) { wait_us(MATRIX_IO_DELAY); }
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| 
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| __attribute__((weak)) void matrix_output_select_delay(void) { waitInputPinDelay(); }
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| __attribute__((weak)) void matrix_output_unselect_delay(uint8_t line, bool key_pressed) { matrix_io_delay(); }
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| 
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| // CUSTOM MATRIX 'LITE'
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| __attribute__((weak)) void matrix_init_custom(void) {}
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| 
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| __attribute__((weak)) bool matrix_scan_custom(matrix_row_t current_matrix[]) { return true; }
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| 
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| __attribute__((weak)) void matrix_init(void) {
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|     matrix_init_custom();
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| 
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|     // initialize matrix state: all keys off
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|     for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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|         raw_matrix[i] = 0;
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|         matrix[i]     = 0;
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|     }
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| 
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|     debounce_init(MATRIX_ROWS);
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| 
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|     matrix_init_quantum();
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| }
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| 
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| __attribute__((weak)) uint8_t matrix_scan(void) {
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|     bool changed = matrix_scan_custom(raw_matrix);
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| 
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|     debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
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| 
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|     matrix_scan_quantum();
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|     return changed;
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| }
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| 
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| __attribute__((weak)) bool peek_matrix(uint8_t row_index, uint8_t col_index, bool raw) { return 0 != ((raw ? raw_matrix[row_index] : matrix[row_index]) & (MATRIX_ROW_SHIFTER << col_index)); }
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