From ee23aae87fac7b5dca24c1f150465bae1c66cb6c Mon Sep 17 00:00:00 2001 From: Chad Austin Date: Tue, 26 Oct 2021 20:01:57 -0700 Subject: Optimize matrix scanning by removing variable shifts (#14947) --- docs/custom_quantum_functions.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'docs') diff --git a/docs/custom_quantum_functions.md b/docs/custom_quantum_functions.md index 463366ff76..798c346e67 100644 --- a/docs/custom_quantum_functions.md +++ b/docs/custom_quantum_functions.md @@ -149,7 +149,7 @@ This is useful for setting up stuff that you may need elsewhere, but isn't hardw * GPIO pin initialisation: `void matrix_init_pins(void)` * This needs to perform the low-level initialisation of all row and column pins. By default this will initialise the input/output state of each of the GPIO pins listed in `MATRIX_ROW_PINS` and `MATRIX_COL_PINS`, based on whether or not the keyboard is set up for `ROW2COL`, `COL2ROW`, or `DIRECT_PINS`. Should the keyboard designer override this function, no initialisation of pin state will occur within QMK itself, instead deferring to the keyboard's override. * `COL2ROW`-based row reads: `void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)` -* `ROW2COL`-based column reads: `void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)` +* `ROW2COL`-based column reads: `void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col, matrix_row_t row_shifter)` * `DIRECT_PINS`-based reads: `void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)` * These three functions need to perform the low-level retrieval of matrix state of relevant input pins, based on the matrix type. Only one of the functions should be implemented, if needed. By default this will iterate through `MATRIX_ROW_PINS` and `MATRIX_COL_PINS`, configuring the inputs and outputs based on whether or not the keyboard is set up for `ROW2COL`, `COL2ROW`, or `DIRECT_PINS`. Should the keyboard designer override this function, no manipulation of matrix GPIO pin state will occur within QMK itself, instead deferring to the keyboard's override. -- cgit v1.2.3