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path: root/keyboards/cipulot/common/ec_switch_matrix.c
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Diffstat (limited to 'keyboards/cipulot/common/ec_switch_matrix.c')
-rw-r--r--keyboards/cipulot/common/ec_switch_matrix.c48
1 files changed, 42 insertions, 6 deletions
diff --git a/keyboards/cipulot/common/ec_switch_matrix.c b/keyboards/cipulot/common/ec_switch_matrix.c
index 33123bd236..25c745703b 100644
--- a/keyboards/cipulot/common/ec_switch_matrix.c
+++ b/keyboards/cipulot/common/ec_switch_matrix.c
@@ -37,8 +37,14 @@ const pin_t amux_en_pins[] = AMUX_EN_PINS;
const pin_t amux_n_col_sizes[] = AMUX_COL_CHANNELS_SIZES;
const pin_t amux_n_col_channels[][AMUX_MAX_COLS_COUNT] = {AMUX_COL_CHANNELS};
+#ifdef UNUSED_POSITIONS_LIST
+const uint8_t UNUSED_POSITIONS[][2] = UNUSED_POSITIONS_LIST;
+# define UNUSED_POSITIONS_COUNT ARRAY_SIZE(UNUSED_POSITIONS)
+#endif
+
#define AMUX_SEL_PINS_COUNT ARRAY_SIZE(amux_sel_pins)
#define EXPECTED_AMUX_SEL_PINS_COUNT ceil(log2(AMUX_MAX_COLS_COUNT)
+
// Checks for the correctness of the configuration
_Static_assert(ARRAY_SIZE(amux_en_pins) == AMUX_COUNT, "AMUX_EN_PINS doesn't have the minimum number of bits required to enable all the multiplexers available");
// Check that number of select pins is enough to select all the channels
@@ -70,6 +76,16 @@ void init_amux(void) {
}
}
+// Disable all the unused rows
+void disable_unused_row(uint8_t row) {
+ // disable all the other rows apart from the current selected one
+ for (uint8_t idx = 0; idx < MATRIX_ROWS; idx++) {
+ if (idx != row) {
+ gpio_write_pin_low(row_pins[idx]);
+ }
+ }
+}
+
// Select the multiplexer channel of the specified multiplexer
void select_amux_channel(uint8_t channel, uint8_t col) {
// Get the channel for the specified multiplexer
@@ -158,6 +174,10 @@ void ec_noise_floor(void) {
sum += amux_n_col_sizes[i];
uint8_t adjusted_col = col + sum;
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+#ifdef UNUSED_POSITIONS_LIST
+ if (is_unused_position(row, adjusted_col)) continue;
+#endif
+ disable_unused_row(row);
ec_config.noise_floor[row][adjusted_col] += ec_readkey_raw(amux, row, col);
}
}
@@ -180,11 +200,15 @@ bool ec_matrix_scan(matrix_row_t current_matrix[]) {
for (uint8_t amux = 0; amux < AMUX_COUNT; amux++) {
disable_unused_amux(amux);
for (uint8_t col = 0; col < amux_n_col_sizes[amux]; col++) {
+ uint8_t sum = 0;
+ for (uint8_t i = 0; i < (amux > 0 ? amux : 0); i++)
+ sum += amux_n_col_sizes[i];
+ uint8_t adjusted_col = col + sum;
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- uint8_t sum = 0;
- for (uint8_t i = 0; i < (amux > 0 ? amux : 0); i++)
- sum += amux_n_col_sizes[i];
- uint8_t adjusted_col = col + sum;
+#ifdef UNUSED_POSITIONS_LIST
+ if (is_unused_position(row, adjusted_col)) continue;
+#endif
+ disable_unused_row(row);
sw_value[row][adjusted_col] = ec_readkey_raw(amux, row, col);
if (ec_config.bottoming_calibration) {
@@ -266,7 +290,7 @@ bool ec_update_key(matrix_row_t* current_row, uint8_t row, uint8_t col, uint16_t
uprintf("Key pressed: %d, %d, %d\n", row, col, sw_value);
}
// Has key moved up enough to be released?
- else if (sw_value < ec_config.extremum[row][col] - ec_config.mode_1_release_offset) {
+ else if (sw_value < ec_config.extremum[row][col] - ec_config.rescaled_mode_1_release_offset[row][col]) {
ec_config.extremum[row][col] = sw_value;
*current_row &= ~(1 << col);
uprintf("Key released: %d, %d, %d\n", row, col, sw_value);
@@ -280,7 +304,7 @@ bool ec_update_key(matrix_row_t* current_row, uint8_t row, uint8_t col, uint16_t
ec_config.extremum[row][col] = sw_value;
}
// Has key moved down enough to be pressed?
- else if (sw_value > ec_config.extremum[row][col] + ec_config.mode_1_actuation_offset) {
+ else if (sw_value > ec_config.extremum[row][col] + ec_config.rescaled_mode_1_actuation_offset[row][col]) {
ec_config.extremum[row][col] = sw_value;
*current_row |= (1 << col);
uprintf("Key pressed: %d, %d, %d\n", row, col, sw_value);
@@ -312,6 +336,18 @@ void ec_print_matrix(void) {
print("\n");
}
+// Check if the position is unused
+#ifdef UNUSED_POSITIONS_LIST
+bool is_unused_position(uint8_t row, uint8_t col) {
+ for (uint8_t i = 0; i < UNUSED_POSITIONS_COUNT; i++) {
+ if (UNUSED_POSITIONS[i][0] == row && UNUSED_POSITIONS[i][1] == col) {
+ return true;
+ }
+ }
+ return false;
+}
+#endif
+
// Rescale the value to a different range
uint16_t rescale(uint16_t x, uint16_t in_min, uint16_t in_max, uint16_t out_min, uint16_t out_max) {
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;