forked from mirrors/qmk_firmware
Fix errors with matrix_output_unselect_delay function calls (#13645)
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750f40566a
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816accda3d
5 changed files with 59 additions and 58 deletions
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@ -32,7 +32,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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# define MATRIX_DEBUG_DELAY_END()
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# define MATRIX_DEBUG_GAP()
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#else
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# define MATRIX_DEBUG_GAP() asm volatile("nop \n nop":::"memory")
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# define MATRIX_DEBUG_GAP() asm volatile("nop \n nop" ::: "memory")
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#endif
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#ifndef MATRIX_IO_DELAY_ALWAYS
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@ -44,16 +44,16 @@ static pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS;
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#elif (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW)
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static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
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static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
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# ifdef MATRIX_MUL_SELECT
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static const pin_t col_sel[MATRIX_COLS] = MATRIX_MUL_SEL;
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# endif
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# ifdef MATRIX_MUL_SELECT
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static const pin_t col_sel[MATRIX_COLS] = MATRIX_MUL_SEL;
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# endif
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#endif
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#ifdef MATRIX_IO_DELAY_PORTS
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static const pin_t delay_ports[] = { MATRIX_IO_DELAY_PORTS };
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static const port_data_t delay_masks[] = { MATRIX_IO_DELAY_MASKS };
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static const pin_t delay_ports[] = {MATRIX_IO_DELAY_PORTS};
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static const port_data_t delay_masks[] = {MATRIX_IO_DELAY_MASKS};
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# ifdef MATRIX_IO_DELAY_MULSEL
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static const uint8_t delay_sel[] = { MATRIX_IO_DELAY_MULSEL };
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static const uint8_t delay_sel[] = {MATRIX_IO_DELAY_MULSEL};
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# endif
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#endif
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@ -120,10 +120,10 @@ static void unselect_rows(void) {
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}
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static void init_pins(void) {
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#ifdef MATRIX_MUL_SELECT
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# ifdef MATRIX_MUL_SELECT
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setPinOutput(MATRIX_MUL_SELECT);
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writePinLow(MATRIX_MUL_SELECT);
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#endif
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# endif
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unselect_rows();
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for (uint8_t x = 0; x < MATRIX_COLS; x++) {
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setPinInputHigh_atomic(col_pins[x]);
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@ -141,10 +141,10 @@ static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
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// For each col...
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for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
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// Select the col pin to read (active low)
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#ifdef MATRIX_MUL_SELECT
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writePin(MATRIX_MUL_SELECT,col_sel[col_index]);
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# ifdef MATRIX_MUL_SELECT
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writePin(MATRIX_MUL_SELECT, col_sel[col_index]);
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waitInputPinDelay();
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#endif
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# endif
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uint8_t pin_state = readPin(col_pins[col_index]);
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// Populate the matrix row with the state of the col pin
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@ -153,37 +153,38 @@ static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
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// Unselect row
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unselect_row(current_row);
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#ifdef MATRIX_IO_DELAY_PORTS
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# ifdef MATRIX_IO_DELAY_PORTS
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if (current_row_value) { // wait for col signal to go HIGH
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bool is_pressed;
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do {
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MATRIX_DEBUG_DELAY_START();
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is_pressed = false;
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for (uint8_t i = 0; i < sizeof(delay_ports)/sizeof(pin_t); i++ ) {
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# ifdef MATRIX_IO_DELAY_MULSEL
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for (uint8_t i = 0; i < sizeof(delay_ports) / sizeof(pin_t); i++) {
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# ifdef MATRIX_IO_DELAY_MULSEL
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writePin(MATRIX_MUL_SELECT, delay_sel[i]);
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waitInputPinDelay();
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# endif
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is_pressed |= ( (readPort(delay_ports[i]) & delay_masks[i]) != delay_masks[i] );
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# endif
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is_pressed |= ((readPort(delay_ports[i]) & delay_masks[i]) != delay_masks[i]);
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}
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MATRIX_DEBUG_DELAY_END();
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} while (is_pressed);
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}
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#endif
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#ifdef MATRIX_IO_DELAY_ADAPTIVE
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# endif
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# ifdef MATRIX_IO_DELAY_ADAPTIVE
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if (current_row_value) { // wait for col signal to go HIGH
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for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
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MATRIX_DEBUG_DELAY_START();
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#ifdef MATRIX_MUL_SELECT
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writePin(MATRIX_MUL_SELECT,col_sel[col_index]);
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# ifdef MATRIX_MUL_SELECT
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writePin(MATRIX_MUL_SELECT, col_sel[col_index]);
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waitInputPinDelay();
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#endif
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while (readPin(col_pins[col_index]) == 0) {}
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# endif
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while (readPin(col_pins[col_index]) == 0) {
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}
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MATRIX_DEBUG_DELAY_END();
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}
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}
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#endif
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#ifdef MATRIX_IO_DELAY_ADAPTIVE2
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# endif
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# ifdef MATRIX_IO_DELAY_ADAPTIVE2
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if (current_row_value) { // wait for col signal to go HIGH
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pin_t state;
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do {
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@ -192,19 +193,19 @@ static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
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for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
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MATRIX_DEBUG_DELAY_END();
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MATRIX_DEBUG_DELAY_START();
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#ifdef MATRIX_MUL_SELECT
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writePin(MATRIX_MUL_SELECT,col_sel[col_index]);
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# ifdef MATRIX_MUL_SELECT
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writePin(MATRIX_MUL_SELECT, col_sel[col_index]);
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waitInputPinDelay();
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#endif
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# endif
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state |= (readPin(col_pins[col_index]) == 0);
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}
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MATRIX_DEBUG_DELAY_END();
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} while (state);
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}
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#endif
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# endif
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if (MATRIX_IO_DELAY_ALWAYS || current_row + 1 < MATRIX_ROWS) {
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MATRIX_DEBUG_DELAY_START();
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matrix_output_unselect_delay(); // wait for col signal to go HIGH
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matrix_output_unselect_delay(current_row, current_row_value != 0);
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MATRIX_DEBUG_DELAY_END();
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}
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@ -267,7 +268,7 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
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// Unselect col
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unselect_col(current_col);
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if (MATRIX_IO_DELAY_ALWAYS || current_col + 1 < MATRIX_COLS) {
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matrix_output_unselect_delay(); // wait for col signal to go HIGH
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matrix_output_unselect_delay(current_row, current_row_value != 0);
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}
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return matrix_changed;
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@ -311,11 +312,13 @@ uint8_t matrix_scan(void) {
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changed |= read_rows_on_col(raw_matrix, current_col);
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}
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#endif
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MATRIX_DEBUG_SCAN_END(); MATRIX_DEBUG_GAP();
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MATRIX_DEBUG_SCAN_END();
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MATRIX_DEBUG_GAP();
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MATRIX_DEBUG_SCAN_START();
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debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
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MATRIX_DEBUG_SCAN_END(); MATRIX_DEBUG_GAP();
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MATRIX_DEBUG_SCAN_END();
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MATRIX_DEBUG_GAP();
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MATRIX_DEBUG_SCAN_START();
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matrix_scan_quantum();
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@ -4,9 +4,9 @@
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/* In tmk_core/common/wait.h, the implementation for PROTOCOL_CHIBIOS
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* calls 'chThdSleepMicroseconds(1)' when 'wait_us(0)'.
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* However, 'wait_us(0)' should do nothing. */
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void matrix_output_unselect_delay(void) {
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# if !defined(MATRIX_IO_DELAY) || MATRIX_IO_DELAY > 0
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void matrix_output_unselect_delay(uint8_t line, bool key_pressed) {
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# if !defined(MATRIX_IO_DELAY) || MATRIX_IO_DELAY > 0
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matrix_io_delay();
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# endif
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# endif
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}
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#endif
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@ -32,21 +32,21 @@ void matrix_init_kb(void) {
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// ChibiOS enables the cycle counter in chcore_v7m.c:
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// https://github.com/ChibiOS/ChibiOS/blob/b63023915c304092acb9f33bbab40f3ec07a7f0e/os/common/ports/ARMCMx/chcore_v7m.c#L263
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static void delay_inline(const uint32_t cycles) {
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const uint32_t start = DWT->CYCCNT;
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while ((DWT->CYCCNT - start) < cycles) {
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// busy-loop until time has passed
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}
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const uint32_t start = DWT->CYCCNT;
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while ((DWT->CYCCNT - start) < cycles) {
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// busy-loop until time has passed
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}
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}
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void matrix_output_unselect_delay(void) {
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// Use the cycle counter to do precise timing in microseconds. The ChibiOS
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// thread sleep functions only allow sleep durations starting at 1 tick, which
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// is 100μs in our configuration.
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void matrix_output_unselect_delay(uint8_t line, bool key_pressed) {
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// Use the cycle counter to do precise timing in microseconds. The ChibiOS
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// thread sleep functions only allow sleep durations starting at 1 tick, which
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// is 100μs in our configuration.
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// Empirically: e.g. 5μs is not enough, will result in keys that don’t work
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// and ghost key presses. 10μs seems to work well.
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// Empirically: e.g. 5μs is not enough, will result in keys that don’t work
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// and ghost key presses. 10μs seems to work well.
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// 600 cycles at 0.6 cycles/ns == 1μs
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const uint32_t cycles_per_us = 600;
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delay_inline(10 * cycles_per_us);
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// 600 cycles at 0.6 cycles/ns == 1μs
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const uint32_t cycles_per_us = 600;
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delay_inline(10 * cycles_per_us);
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}
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@ -19,7 +19,7 @@
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#include "transactions.h"
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#define ERROR_DISCONNECT_COUNT 5
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#define ROWS_PER_HAND (MATRIX_ROWS / 2)
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#define ROWS_PER_HAND (MATRIX_ROWS / 2)
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static const pin_t row_pins[ROWS_PER_HAND] = MATRIX_ROW_PINS;
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static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
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@ -141,7 +141,7 @@ uint8_t matrix_scan(void) {
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/* Drive row pin high again. */
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ATOMIC_BLOCK_FORCEON { writePinHigh(row_pins[row_idx]); }
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matrix_output_unselect_delay();
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matrix_output_unselect_delay(row_idx, row_pins[row_idx] != 0);
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}
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if (memcmp(raw_matrix, current_matrix, sizeof(current_matrix)) != 0) {
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@ -153,4 +153,4 @@ uint8_t matrix_scan(void) {
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bool remote_changed = matrix_post_scan();
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return (uint8_t)(local_changed || remote_changed);
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}
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}
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@ -12,24 +12,22 @@
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#include "common_oled.h"
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#include <transactions.h>
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void keyboard_post_init_kb(void)
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{
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void keyboard_post_init_kb(void) {
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touch_encoder_init();
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transaction_register_rpc(TOUCH_ENCODER_SYNC, touch_encoder_slave_sync);
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transaction_register_rpc(RGB_MENU_SYNC, rgb_menu_slave_sync);
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keyboard_post_init_user();
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}
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void housekeeping_task_kb(void)
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{
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void housekeeping_task_kb(void) {
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touch_encoder_update(TOUCH_ENCODER_SYNC);
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rgb_menu_update(RGB_MENU_SYNC);
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}
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#if defined(BUSY_WAIT)
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void matrix_output_unselect_delay(void) {
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void matrix_output_unselect_delay(uint8_t line, bool key_pressed) {
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for (int32_t i = 0; i < BUSY_WAIT_INSTRUCTIONS; i++) {
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__asm__ volatile("nop" ::: "memory");
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}
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}
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#endif
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#endif
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