From 302b35c2a0ac90208e523944e8cc4b44a793d8d5 Mon Sep 17 00:00:00 2001 From: Takeshi ISHII <2170248+mtei@users.noreply.github.com> Date: Wed, 13 Jan 2021 10:46:22 +0900 Subject: fix matrix_io_delay() timing in quantum/matrix.c (#9603) * fix matrix_io_delay() timing in quantum/matrix.c * Updated comments explaining the need for matrix_io_delay() in quantum/matrix.c * fix matrix_io_delay() timing in quantum/split_common/matrix.c * Update quantum/matrix.c Co-authored-by: Ryan * Update quantum/split_common/matrix.c Co-authored-by: Ryan * Update quantum/matrix.c Co-authored-by: Ryan * Update quantum/split_common/matrix.c Co-authored-by: Ryan * add waitOutputPinValid() and wait_cpuclock() into quantum/quantum.h and tmk_core/common/wait.h * add matrix_output_select_delay() and matrix_output_unselect_delay() * fix quantum/matrix_common.c, tmk_core/common/matrix.h * fix tmk_core/common/wait.h * fix quantum/quantum.h, tmk_core/common/wait.h * waitOutputPinValid() rename to waitInputPinDelay() in quantum/quantum.h. * waitOutputPinValid() rename to waitInputPinDelay() in quantum/matrix_common.c * update tmk_core/common/wait.h * update comment in quantum/matrix.c, quantum/split_common/matrix.c * update quantum/quantum.h: Make more margin in the GPIO_INPUT_PIN_DELAY default value. Co-authored-by: Ryan --- quantum/matrix.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'quantum/matrix.c') diff --git a/quantum/matrix.c b/quantum/matrix.c index 9083ff3861..c027b7bf27 100644 --- a/quantum/matrix.c +++ b/quantum/matrix.c @@ -101,9 +101,9 @@ static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) // Start with a clear matrix row matrix_row_t current_row_value = 0; - // Select row and wait for row selecton to stabilize + // Select row select_row(current_row); - matrix_io_delay(); + matrix_output_select_delay(); // For each col... for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) { @@ -116,6 +116,9 @@ static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) // Unselect row unselect_row(current_row); + if (current_row + 1 < MATRIX_ROWS) { + matrix_output_unselect_delay(); // wait for row signal to go HIGH + } // If the row has changed, store the row and return the changed flag. if (current_matrix[current_row] != current_row_value) { @@ -147,9 +150,9 @@ static void init_pins(void) { static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) { bool matrix_changed = false; - // Select col and wait for col selecton to stabilize + // Select col select_col(current_col); - matrix_io_delay(); + matrix_output_select_delay(); // For each row... for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) { @@ -175,6 +178,9 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) // Unselect col unselect_col(current_col); + if (current_col + 1 < MATRIX_COLS) { + matrix_output_unselect_delay(); // wait for col signal to go HIGH + } return matrix_changed; } -- cgit v1.2.3