|  |  |  | @ -24,23 +24,21 @@ No further inputs are accepted until DEBOUNCE milliseconds have occurred. | 
			
		
	
		
			
				
					|  |  |  |  | #include <stdlib.h> | 
			
		
	
		
			
				
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					|  |  |  |  | #ifndef DEBOUNCE | 
			
		
	
		
			
				
					|  |  |  |  |   #define DEBOUNCE 5 | 
			
		
	
		
			
				
					|  |  |  |  | #  define DEBOUNCE 5 | 
			
		
	
		
			
				
					|  |  |  |  | #endif | 
			
		
	
		
			
				
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					|  |  |  |  | #if (MATRIX_COLS <= 8) | 
			
		
	
		
			
				
					|  |  |  |  | #    define ROW_SHIFTER ((uint8_t)1) | 
			
		
	
		
			
				
					|  |  |  |  | #  define ROW_SHIFTER ((uint8_t)1) | 
			
		
	
		
			
				
					|  |  |  |  | #elif (MATRIX_COLS <= 16) | 
			
		
	
		
			
				
					|  |  |  |  | #    define ROW_SHIFTER ((uint16_t)1) | 
			
		
	
		
			
				
					|  |  |  |  | #  define ROW_SHIFTER ((uint16_t)1) | 
			
		
	
		
			
				
					|  |  |  |  | #elif (MATRIX_COLS <= 32) | 
			
		
	
		
			
				
					|  |  |  |  | #    define ROW_SHIFTER  ((uint32_t)1) | 
			
		
	
		
			
				
					|  |  |  |  | #  define ROW_SHIFTER ((uint32_t)1) | 
			
		
	
		
			
				
					|  |  |  |  | #endif | 
			
		
	
		
			
				
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					|  |  |  |  | #define debounce_counter_t uint8_t | 
			
		
	
		
			
				
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					|  |  |  |  | static debounce_counter_t *debounce_counters; | 
			
		
	
		
			
				
					|  |  |  |  | static bool                counters_need_update; | 
			
		
	
		
			
				
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					|  |  |  |  | #define DEBOUNCE_ELAPSED 251 | 
			
		
	
		
			
				
					|  |  |  |  | #define MAX_DEBOUNCE (DEBOUNCE_ELAPSED - 1) | 
			
		
	
	
		
			
				
					|  |  |  | @ -48,39 +46,39 @@ static debounce_counter_t *debounce_counters; | 
			
		
	
		
			
				
					|  |  |  |  | void update_debounce_counters(uint8_t num_rows, uint8_t current_time); | 
			
		
	
		
			
				
					|  |  |  |  | void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time); | 
			
		
	
		
			
				
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					|  |  |  |  | //we use num_rows rather than MATRIX_ROWS to support split keyboards
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					|  |  |  |  | void debounce_init(uint8_t num_rows) | 
			
		
	
		
			
				
					|  |  |  |  | { | 
			
		
	
		
			
				
					|  |  |  |  |   debounce_counters = (debounce_counter_t*)malloc(num_rows*MATRIX_COLS * sizeof(debounce_counter_t)); | 
			
		
	
		
			
				
					|  |  |  |  |   int i = 0; | 
			
		
	
		
			
				
					|  |  |  |  |   for (uint8_t r = 0; r < num_rows; r++) | 
			
		
	
		
			
				
					|  |  |  |  |   { | 
			
		
	
		
			
				
					|  |  |  |  |     for (uint8_t c = 0; c < MATRIX_COLS; c++) | 
			
		
	
		
			
				
					|  |  |  |  |     { | 
			
		
	
		
			
				
					|  |  |  |  | // we use num_rows rather than MATRIX_ROWS to support split keyboards
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					|  |  |  |  | void debounce_init(uint8_t num_rows) { | 
			
		
	
		
			
				
					|  |  |  |  |   debounce_counters = (debounce_counter_t *)malloc(num_rows * MATRIX_COLS * sizeof(debounce_counter_t)); | 
			
		
	
		
			
				
					|  |  |  |  |   int i             = 0; | 
			
		
	
		
			
				
					|  |  |  |  |   for (uint8_t r = 0; r < num_rows; r++) { | 
			
		
	
		
			
				
					|  |  |  |  |     for (uint8_t c = 0; c < MATRIX_COLS; c++) { | 
			
		
	
		
			
				
					|  |  |  |  |       debounce_counters[i++] = DEBOUNCE_ELAPSED; | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  |   } | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
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					|  |  |  |  | void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) | 
			
		
	
		
			
				
					|  |  |  |  | { | 
			
		
	
		
			
				
					|  |  |  |  | void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) { | 
			
		
	
		
			
				
					|  |  |  |  |   uint8_t current_time = timer_read() % MAX_DEBOUNCE; | 
			
		
	
		
			
				
					|  |  |  |  |   update_debounce_counters(num_rows, current_time); | 
			
		
	
		
			
				
					|  |  |  |  |   transfer_matrix_values(raw, cooked, num_rows, current_time); | 
			
		
	
		
			
				
					|  |  |  |  |   if (counters_need_update) { | 
			
		
	
		
			
				
					|  |  |  |  |     update_debounce_counters(num_rows, current_time); | 
			
		
	
		
			
				
					|  |  |  |  |   } | 
			
		
	
		
			
				
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					|  |  |  |  |   if (changed) { | 
			
		
	
		
			
				
					|  |  |  |  |     transfer_matrix_values(raw, cooked, num_rows, current_time); | 
			
		
	
		
			
				
					|  |  |  |  |   } | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
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					|  |  |  |  | //If the current time is > debounce counter, set the counter to enable input.
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					|  |  |  |  | void update_debounce_counters(uint8_t num_rows, uint8_t current_time) | 
			
		
	
		
			
				
					|  |  |  |  | { | 
			
		
	
		
			
				
					|  |  |  |  | // If the current time is > debounce counter, set the counter to enable input.
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					|  |  |  |  | void update_debounce_counters(uint8_t num_rows, uint8_t current_time) { | 
			
		
	
		
			
				
					|  |  |  |  |   counters_need_update                 = false; | 
			
		
	
		
			
				
					|  |  |  |  |   debounce_counter_t *debounce_pointer = debounce_counters; | 
			
		
	
		
			
				
					|  |  |  |  |   for (uint8_t row = 0; row < num_rows; row++) | 
			
		
	
		
			
				
					|  |  |  |  |   { | 
			
		
	
		
			
				
					|  |  |  |  |     for (uint8_t col = 0; col < MATRIX_COLS; col++) | 
			
		
	
		
			
				
					|  |  |  |  |     { | 
			
		
	
		
			
				
					|  |  |  |  |       if (*debounce_pointer != DEBOUNCE_ELAPSED) | 
			
		
	
		
			
				
					|  |  |  |  |       { | 
			
		
	
		
			
				
					|  |  |  |  |   for (uint8_t row = 0; row < num_rows; row++) { | 
			
		
	
		
			
				
					|  |  |  |  |     for (uint8_t col = 0; col < MATRIX_COLS; col++) { | 
			
		
	
		
			
				
					|  |  |  |  |       if (*debounce_pointer != DEBOUNCE_ELAPSED) { | 
			
		
	
		
			
				
					|  |  |  |  |         if (TIMER_DIFF(current_time, *debounce_pointer, MAX_DEBOUNCE) >= DEBOUNCE) { | 
			
		
	
		
			
				
					|  |  |  |  |           *debounce_pointer = DEBOUNCE_ELAPSED; | 
			
		
	
		
			
				
					|  |  |  |  |         } else { | 
			
		
	
		
			
				
					|  |  |  |  |           counters_need_update = true; | 
			
		
	
		
			
				
					|  |  |  |  |         } | 
			
		
	
		
			
				
					|  |  |  |  |       } | 
			
		
	
		
			
				
					|  |  |  |  |       debounce_pointer++; | 
			
		
	
	
		
			
				
					|  |  |  | @ -89,33 +87,22 @@ void update_debounce_counters(uint8_t num_rows, uint8_t current_time) | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
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					|  |  |  |  | // upload from raw_matrix to final matrix;
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					|  |  |  |  | void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time) | 
			
		
	
		
			
				
					|  |  |  |  | { | 
			
		
	
		
			
				
					|  |  |  |  | void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time) { | 
			
		
	
		
			
				
					|  |  |  |  |   debounce_counter_t *debounce_pointer = debounce_counters; | 
			
		
	
		
			
				
					|  |  |  |  |   for (uint8_t row = 0; row < num_rows; row++) | 
			
		
	
		
			
				
					|  |  |  |  |   { | 
			
		
	
		
			
				
					|  |  |  |  |     matrix_row_t existing_row = cooked[row];  | 
			
		
	
		
			
				
					|  |  |  |  |     matrix_row_t raw_row = raw[row]; | 
			
		
	
		
			
				
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					|  |  |  |  |     for (uint8_t col = 0; col < MATRIX_COLS; col++) | 
			
		
	
		
			
				
					|  |  |  |  |     { | 
			
		
	
		
			
				
					|  |  |  |  |   for (uint8_t row = 0; row < num_rows; row++) { | 
			
		
	
		
			
				
					|  |  |  |  |     matrix_row_t delta        = raw[row] ^ cooked[row]; | 
			
		
	
		
			
				
					|  |  |  |  |     matrix_row_t existing_row = cooked[row]; | 
			
		
	
		
			
				
					|  |  |  |  |     for (uint8_t col = 0; col < MATRIX_COLS; col++) { | 
			
		
	
		
			
				
					|  |  |  |  |       matrix_row_t col_mask = (ROW_SHIFTER << col); | 
			
		
	
		
			
				
					|  |  |  |  |       bool final_value = raw_row & col_mask; | 
			
		
	
		
			
				
					|  |  |  |  |       bool existing_value = existing_row & col_mask; | 
			
		
	
		
			
				
					|  |  |  |  |       if (*debounce_pointer == DEBOUNCE_ELAPSED && | 
			
		
	
		
			
				
					|  |  |  |  |           (existing_value != final_value)) | 
			
		
	
		
			
				
					|  |  |  |  |       { | 
			
		
	
		
			
				
					|  |  |  |  |         *debounce_pointer = current_time; | 
			
		
	
		
			
				
					|  |  |  |  |         existing_row ^= col_mask; //flip the bit.
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					|  |  |  |  |       if ((delta & col_mask) && *debounce_pointer == DEBOUNCE_ELAPSED) { | 
			
		
	
		
			
				
					|  |  |  |  |         *debounce_pointer    = current_time; | 
			
		
	
		
			
				
					|  |  |  |  |         counters_need_update = true; | 
			
		
	
		
			
				
					|  |  |  |  |         existing_row ^= col_mask;  // flip the bit.
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					|  |  |  |  |       } | 
			
		
	
		
			
				
					|  |  |  |  |       debounce_pointer++; | 
			
		
	
		
			
				
					|  |  |  |  |     } | 
			
		
	
		
			
				
					|  |  |  |  |     cooked[row] = existing_row; | 
			
		
	
		
			
				
					|  |  |  |  |   }   | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
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					|  |  |  |  | bool debounce_active(void) | 
			
		
	
		
			
				
					|  |  |  |  | { | 
			
		
	
		
			
				
					|  |  |  |  |   return true; | 
			
		
	
		
			
				
					|  |  |  |  |   } | 
			
		
	
		
			
				
					|  |  |  |  | } | 
			
		
	
		
			
				
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					|  |  |  |  | bool debounce_active(void) { return true; } | 
			
		
	
	
		
			
				
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