summaryrefslogtreecommitdiffstats
path: root/keyboards/keychron/k13_pro/matrix.c
diff options
context:
space:
mode:
Diffstat (limited to 'keyboards/keychron/k13_pro/matrix.c')
-rwxr-xr-xkeyboards/keychron/k13_pro/matrix.c204
1 files changed, 110 insertions, 94 deletions
diff --git a/keyboards/keychron/k13_pro/matrix.c b/keyboards/keychron/k13_pro/matrix.c
index 072cfc3280..22d2ac1e11 100755
--- a/keyboards/keychron/k13_pro/matrix.c
+++ b/keyboards/keychron/k13_pro/matrix.c
@@ -14,78 +14,30 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "stdint.h"
-#include "hal.h"
-#include "gpio.h"
#include "quantum.h"
#define HC595_STCP B0
#define HC595_SHCP A1
#define HC595_DS A7
-#define DIRECT_COL_NUM 1
-
pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
-static inline void HC595_delay(uint16_t n) {
- while (n-- > 0) {
- asm volatile("nop" ::: "memory");
- }
-}
-
-#ifdef DRIVE_SHRIFT_REGISTER_WITH_SPI
-// clang-format off
-const SPIConfig hs_spicfg = {
- .circular = false,
- .slave = false,
- .data_cb = NULL,
- .error_cb = NULL,
- .ssport = PAL_PORT(HC595_STCP),
- .sspad = PAL_PAD(HC595_STCP),
- .cr1 = SPI_CR1_BR_1,
- .cr2 = SPI_CR2_DS_3 | SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0 | SPI_CR2_SSOE | SPI_CR2_NSSP
-};
-// clang-format on
-#endif
-static void HC595_output(uint16_t data) {
-#ifdef DRIVE_SHRIFT_REGISTER_WITH_SPI
- spiSend(&SPID1, 1, &data);
-#else
- uint8_t i;
- uint8_t n = 1;
-
- for (i = 16; i > 0; i--) {
- writePinLow(HC595_SHCP);
-
- if (data & 0x8000)
- writePinHigh(HC595_DS);
- else
- writePinLow(HC595_DS);
-
- data <<= 1;
-
- HC595_delay(n);
-
- writePinHigh(HC595_SHCP);
- HC595_delay(n);
+static inline void setPinOutput_writeLow(pin_t pin) {
+ ATOMIC_BLOCK_FORCEON {
+ setPinOutput(pin);
+ writePinLow(pin);
}
-
- HC595_delay(n);
- writePinLow(HC595_STCP);
- HC595_delay(n);
- writePinHigh(HC595_STCP);
-#endif
}
-static inline void setPinOutput_writeLow(pin_t pin) {
+static inline void setPinOutput_writeHigh(pin_t pin) {
ATOMIC_BLOCK_FORCEON {
setPinOutput(pin);
- writePinLow(pin);
+ writePinHigh(pin);
}
}
-static inline void setPinInputHigh_atomic(pin_t pin) {
+static inline void setPinInput_high(pin_t pin) {
ATOMIC_BLOCK_FORCEON {
setPinInputHigh(pin);
}
@@ -99,16 +51,65 @@ static inline uint8_t readMatrixPin(pin_t pin) {
}
}
+static inline void HC595_delay(uint16_t n) {
+ while (n-- > 0) {
+ asm volatile("nop" ::: "memory");
+ }
+}
+
+static void HC595_output(uint16_t data) {
+ ATOMIC_BLOCK_FORCEON {
+ for (uint8_t i = 0; i < MATRIX_COLS; i++) {
+ if (data & 0x1) {
+ writePinHigh(HC595_DS);
+ } else {
+ writePinLow(HC595_DS);
+ }
+
+ data = data >> 1;
+
+ writePinHigh(HC595_SHCP);
+ HC595_delay(1);
+ writePinLow(HC595_SHCP);
+ HC595_delay(1);
+ }
+ writePinHigh(HC595_STCP);
+ HC595_delay(1);
+ writePinLow(HC595_STCP);
+ HC595_delay(1);
+ }
+}
+
+static void HC595_output_oneBit(uint8_t data) {
+ ATOMIC_BLOCK_FORCEON {
+ if (data & 0x1) {
+ writePinHigh(HC595_DS);
+ } else {
+ writePinLow(HC595_DS);
+ }
+
+ writePinHigh(HC595_SHCP);
+ HC595_delay(1);
+ writePinLow(HC595_SHCP);
+ HC595_delay(1);
+
+ writePinHigh(HC595_STCP);
+ HC595_delay(1);
+ writePinLow(HC595_STCP);
+ HC595_delay(1);
+ }
+}
+
static bool select_col(uint8_t col) {
pin_t pin = col_pins[col];
- if (col < 1) {
- if (pin != NO_PIN) {
- setPinOutput_writeLow(pin);
- return true;
- }
+ if (pin != NO_PIN) {
+ setPinOutput_writeLow(pin);
+ return true;
} else {
- HC595_output(~(0x01 << (col - 1)));
+ if (col == 1) {
+ HC595_output_oneBit(0x00);
+ }
return true;
}
return false;
@@ -117,81 +118,96 @@ static bool select_col(uint8_t col) {
static void unselect_col(uint8_t col) {
pin_t pin = col_pins[col];
- if (col < 1) {
- if (pin != NO_PIN) {
- setPinInputHigh_atomic(pin);
- }
+ if (pin != NO_PIN) {
+#ifdef MATRIX_UNSELECT_DRIVE_HIGH
+ setPinOutput_writeHigh(pin);
+#else
+ setPinInput_high(pin);
+#endif
} else {
- if (col >= MATRIX_COLS - 1) HC595_output(0xFFFF);
+ HC595_output_oneBit(0x01);
}
}
static void unselect_cols(void) {
- if (col_pins[0] != NO_PIN) setPinInputHigh_atomic(col_pins[0]);
- HC595_output(0xFFFF);
+ for (uint8_t x = 0; x < MATRIX_COLS; x++) {
+ pin_t pin = col_pins[x];
+ if (pin != NO_PIN) {
+#ifdef MATRIX_UNSELECT_DRIVE_HIGH
+ setPinOutput_writeHigh(pin);
+#else
+ setPinInput_high(pin);
+#endif
+ } else {
+ if (x == 1) HC595_output(0xFFFF);
+ }
+ }
}
void select_all_cols(void) {
- if (col_pins[0] != NO_PIN) setPinOutput_writeLow(col_pins[0]);
- HC595_output(0x0000);
+ for (uint8_t x = 0; x < MATRIX_COLS; x++) {
+ pin_t pin = col_pins[x];
+ if (pin != NO_PIN) {
+ setPinOutput_writeLow(pin);
+ } else {
+ if (x == 1) HC595_output(0x0000);
+ }
+ }
}
-void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
+static void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col, matrix_row_t row_shifter) {
+ bool key_pressed = false;
+
// Select col
if (!select_col(current_col)) { // select col
return; // skip NO_PIN col
}
- HC595_delay(100);
+ matrix_output_select_delay();
// For each row...
for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {
// Check row pin state
if (readMatrixPin(row_pins[row_index]) == 0) {
// Pin LO, set col bit
- current_matrix[row_index] |= (MATRIX_ROW_SHIFTER << current_col);
- // key_pressed = true;
+ current_matrix[row_index] |= row_shifter;
+ key_pressed = true;
} else {
// Pin HI, clear col bit
- current_matrix[row_index] &= ~(MATRIX_ROW_SHIFTER << current_col);
+ current_matrix[row_index] &= ~row_shifter;
}
}
+ // Unselect col
unselect_col(current_col);
- HC595_delay(100);
+ matrix_output_unselect_delay(current_col, key_pressed); // wait for all Row signals to go HIGH
}
void matrix_init_custom(void) {
+ setPinOutput(HC595_DS);
+ setPinOutput(HC595_STCP);
+ setPinOutput(HC595_SHCP);
+
for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
if (row_pins[x] != NO_PIN) {
- setPinInputHigh_atomic(row_pins[x]);
+ setPinInput_high(row_pins[x]);
}
}
-#ifdef DRIVE_SHRIFT_REGISTER_WITH_SPI
- palSetPadMode(PAL_PORT(HC595_SHCP), PAL_PAD(HC595_SHCP), PAL_MODE_ALTERNATE(5) | PAL_STM32_OSPEED_HIGHEST); /* SCK */
- palSetPadMode(PAL_PORT(HC595_DS), PAL_PAD(HC595_DS), PAL_MODE_ALTERNATE(5) | PAL_STM32_OSPEED_HIGHEST); /* MOSI*/
- palSetPadMode(PAL_PORT(HC595_STCP), PAL_PAD(HC595_STCP), PAL_MODE_ALTERNATE(5) | PAL_STM32_OSPEED_HIGHEST); /* CS*/
- spiStart(&SPID1, &hs_spicfg);
-#else
- setPinOutput(HC595_DS);
- setPinOutput(HC595_STCP);
- setPinOutput(HC595_SHCP);
-#endif
+
unselect_cols();
}
bool matrix_scan_custom(matrix_row_t current_matrix[]) {
- bool matrix_has_changed = false;
-
matrix_row_t curr_matrix[MATRIX_ROWS] = {0};
// Set col, read rows
- for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
- matrix_read_rows_on_col(curr_matrix, current_col);
+ matrix_row_t row_shifter = MATRIX_ROW_SHIFTER;
+ for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++, row_shifter <<= 1) {
+ matrix_read_rows_on_col(curr_matrix, current_col, row_shifter);
}
- matrix_has_changed = memcmp(current_matrix, curr_matrix, sizeof(curr_matrix)) != 0;
- if (matrix_has_changed) memcpy(current_matrix, curr_matrix, sizeof(curr_matrix));
+ bool changed = memcmp(current_matrix, curr_matrix, sizeof(curr_matrix)) != 0;
+ if (changed) memcpy(current_matrix, curr_matrix, sizeof(curr_matrix));
- return matrix_has_changed;
+ return changed;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 16:48:05 +0000