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Add support for NO_PIN to all matrix types (#12238)

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Co-authored-by: Nick Brassel <nick@tzarc.org>
This commit is contained in:
Drashna Jaelre 2021-07-03 00:20:11 -07:00 • committed by GitHub
parent 8da8aabbe5
commit 3ab805fc67
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 104 additions and 28 deletions
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66
quantum/split_common/matrix.c
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@ -67,6 +67,14 @@ static inline void setPinInputHigh_atomic(pin_t pin) {
ATOMIC_BLOCK_FORCEON { setPinInputHigh(pin); }
}
static inline uint8_t readMatrixPin(pin_t pin) {
if (pin != NO_PIN) {
return readPin(pin);
} else {
return 1;
}
}
// matrix code
#ifdef DIRECT_PINS
@ -101,20 +109,34 @@ __attribute__((weak)) void matrix_read_cols_on_row(matrix_row_t current_matrix[]
# if defined(MATRIX_ROW_PINS) && defined(MATRIX_COL_PINS)
# if (DIODE_DIRECTION == COL2ROW)
static void select_row(uint8_t row) { setPinOutput_writeLow(row_pins[row]); }
static bool select_row(uint8_t row) {
pin_t pin = row_pins[row];
if (pin != NO_PIN) {
setPinOutput_writeLow(pin);
return true;
}
return false;
}
static void unselect_row(uint8_t row) { setPinInputHigh_atomic(row_pins[row]); }
static void unselect_row(uint8_t row) {
pin_t pin = row_pins[row];
if (pin != NO_PIN) {
setPinInputHigh_atomic(pin);
}
}
static void unselect_rows(void) {
for (uint8_t x = 0; x < ROWS_PER_HAND; x++) {
setPinInputHigh_atomic(row_pins[x]);
unselect_row(x);
}
}
__attribute__((weak)) void matrix_init_pins(void) {
unselect_rows();
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
setPinInputHigh_atomic(col_pins[x]);
if (col_pins[x] != NO_PIN) {
setPinInputHigh_atomic(col_pins[x]);
}
}
}
@ -122,14 +144,14 @@ __attribute__((weak)) void matrix_read_cols_on_row(matrix_row_t current_matrix[]
// Start with a clear matrix row
matrix_row_t current_row_value = 0;
// Select row
select_row(current_row);
if (!select_row(current_row)) { // Select row
return; // skip NO_PIN row
}
matrix_output_select_delay();
// For each col...
for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
// Select the col pin to read (active low)
uint8_t pin_state = readPin(col_pins[col_index]);
uint8_t pin_state = readMatrixPin(col_pins[col_index]);
// Populate the matrix row with the state of the col pin
current_row_value |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index);
@ -145,32 +167,48 @@ __attribute__((weak)) void matrix_read_cols_on_row(matrix_row_t current_matrix[]
# elif (DIODE_DIRECTION == ROW2COL)
static void select_col(uint8_t col) { setPinOutput_writeLow(col_pins[col]); }
static bool select_col(uint8_t col) {
pin_t pin = col_pins[col];
if (pin != NO_PIN) {
setPinOutput_writeLow(pin);
return true;
}
return false;
}
static void unselect_col(uint8_t col) { setPinInputHigh_atomic(col_pins[col]); }
static void unselect_col(uint8_t col) {
pin_t pin = col_pins[col];
if (pin != NO_PIN) {
setPinInputHigh_atomic(pin);
}
}
static void unselect_cols(void) {
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
setPinInputHigh_atomic(col_pins[x]);
unselect_col(x);
}
}
__attribute__((weak)) void matrix_init_pins(void) {
unselect_cols();
for (uint8_t x = 0; x < ROWS_PER_HAND; x++) {
setPinInputHigh_atomic(row_pins[x]);
if (row_pins[x] != NO_PIN) {
setPinInputHigh_atomic(row_pins[x]);
}
}
}
__attribute__((weak)) void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
// Select col
select_col(current_col);
if (!select_col(current_col)) { // select col
return; // skip NO_PIN col
}
matrix_output_select_delay();
// For each row...
for (uint8_t row_index = 0; row_index < ROWS_PER_HAND; row_index++) {
// Check row pin state
if (readPin(row_pins[row_index]) == 0) {
if (readMatrixPin(row_pins[row_index]) == 0) {
// Pin LO, set col bit
current_matrix[row_index] |= (MATRIX_ROW_SHIFTER << current_col);
} else {