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Diffstat (limited to 'keyboards/keychron/k5_pro/matrix.c')
-rw-r--r--keyboards/keychron/k5_pro/matrix.c147
1 files changed, 62 insertions, 85 deletions
diff --git a/keyboards/keychron/k5_pro/matrix.c b/keyboards/keychron/k5_pro/matrix.c
index 3b422d9d2b..003dd143bc 100644
--- a/keyboards/keychron/k5_pro/matrix.c
+++ b/keyboards/keychron/k5_pro/matrix.c
@@ -20,29 +20,11 @@
#define HC595_SHCP A1
#define HC595_DS A7
+#define DIRECT_COL_NUM 0
+
pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
-static inline void setPinOutput_writeLow(pin_t pin) {
- ATOMIC_BLOCK_FORCEON {
- setPinOutput(pin);
- writePinLow(pin);
- }
-}
-
-static inline void setPinOutput_writeHigh(pin_t pin) {
- ATOMIC_BLOCK_FORCEON {
- setPinOutput(pin);
- writePinHigh(pin);
- }
-}
-
-static inline void setPinInput_high(pin_t pin) {
- ATOMIC_BLOCK_FORCEON {
- setPinInputHigh(pin);
- }
-}
-
static inline uint8_t readMatrixPin(pin_t pin) {
if (pin != NO_PIN) {
return readPin(pin);
@@ -51,6 +33,16 @@ static inline uint8_t readMatrixPin(pin_t pin) {
}
}
+static inline void setPinOutput_writeLow(pin_t pin) {
+ setPinOutput(pin);
+ writePinLow(pin);
+}
+
+static inline void setPinOutput_writeHigh(pin_t pin) {
+ setPinOutput(pin);
+ writePinHigh(pin);
+}
+
static inline void HC595_delay(uint16_t n) {
while (n-- > 0) {
asm volatile("nop" ::: "memory");
@@ -58,112 +50,98 @@ static inline void HC595_delay(uint16_t n) {
}
static void HC595_output(uint32_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);
- }
-}
+ uint8_t i;
+ uint8_t n = 1;
-static void HC595_output_oneBit(uint8_t data) {
- ATOMIC_BLOCK_FORCEON {
+ for (i = 0; i < (MATRIX_COLS - DIRECT_COL_NUM); i++) {
+ writePinLow(HC595_SHCP);
if (data & 0x1) {
writePinHigh(HC595_DS);
} else {
writePinLow(HC595_DS);
}
-
+ HC595_delay(n);
writePinHigh(HC595_SHCP);
- HC595_delay(1);
- writePinLow(HC595_SHCP);
- HC595_delay(1);
+ HC595_delay(n);
- writePinHigh(HC595_STCP);
- HC595_delay(1);
- writePinLow(HC595_STCP);
- HC595_delay(1);
+ data = data >> 1;
}
+ writePinLow(HC595_STCP);
+ HC595_delay(n);
+ writePinHigh(HC595_STCP);
}
-static bool select_col(uint8_t col) {
- pin_t pin = col_pins[col];
+static void HC595_output_bit(uint16_t data) {
+ uint8_t n = 1;
- if (pin != NO_PIN) {
- setPinOutput_writeLow(pin);
- return true;
+ writePinLow(HC595_SHCP);
+ if (data & 0x1) {
+ writePinHigh(HC595_DS);
+ } else {
+ writePinLow(HC595_DS);
+ }
+ HC595_delay(n);
+
+ writePinHigh(HC595_SHCP);
+ HC595_delay(n);
+
+ writePinLow(HC595_STCP);
+ HC595_delay(n);
+ writePinHigh(HC595_STCP);
+}
+
+static void select_col(uint8_t col) {
+ if (col < DIRECT_COL_NUM) {
+ setPinOutput_writeLow(col_pins[col]);
} else {
- if (col == 0) {
- HC595_output_oneBit(0x00);
+ if (col == DIRECT_COL_NUM) {
+ HC595_output_bit(0x00);
}
- return true;
}
- return false;
}
static void unselect_col(uint8_t col) {
- pin_t pin = col_pins[col];
-
- if (pin != NO_PIN) {
+ if (col < DIRECT_COL_NUM) {
#ifdef MATRIX_UNSELECT_DRIVE_HIGH
- setPinOutput_writeHigh(pin);
+ setPinOutput_writeHigh(col_pins[col]);
#else
- setPinInput_high(pin);
+ setPinInputHigh(col_pins[col]);
#endif
} else {
- HC595_output_oneBit(0x01);
+ HC595_output_bit(0x01);
}
}
static void unselect_cols(void) {
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
- pin_t pin = col_pins[x];
- if (pin != NO_PIN) {
+ if (x < DIRECT_COL_NUM) {
#ifdef MATRIX_UNSELECT_DRIVE_HIGH
- setPinOutput_writeHigh(pin);
+ setPinOutput_writeHigh(col_pins[x]);
#else
- setPinInput_high(pin);
+ setPinInputHigh(col_pins[x]);
#endif
} else {
- if (x == 0) HC595_output(0xFFFFFFFF);
+ if (x == DIRECT_COL_NUM) HC595_output(0xFFFFFFFF);
+ break;
}
}
}
void select_all_cols(void) {
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
- pin_t pin = col_pins[x];
- if (pin != NO_PIN) {
- setPinOutput_writeLow(pin);
+ if (x < DIRECT_COL_NUM) {
+ setPinOutput_writeLow(col_pins[x]);
} else {
- if (x == 0) HC595_output(0x00000000);
+ if (x == DIRECT_COL_NUM) HC595_output(0x00000000);
+ break;
}
}
}
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
- }
-
- matrix_output_select_delay();
+ select_col(current_col);
+ HC595_delay(200);
// For each row...
for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {
@@ -171,7 +149,6 @@ static void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t curre
if (readMatrixPin(row_pins[row_index]) == 0) {
// Pin LO, set col bit
current_matrix[row_index] |= row_shifter;
- key_pressed = true;
} else {
// Pin HI, clear col bit
current_matrix[row_index] &= ~row_shifter;
@@ -180,7 +157,7 @@ static void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t curre
// Unselect col
unselect_col(current_col);
- matrix_output_unselect_delay(current_col, key_pressed); // wait for all Row signals to go HIGH
+ HC595_delay(200); // wait for all Row signals to go HIGH
}
void matrix_init_custom(void) {
@@ -190,7 +167,7 @@ void matrix_init_custom(void) {
for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
if (row_pins[x] != NO_PIN) {
- setPinInput_high(row_pins[x]);
+ setPinInputHigh(row_pins[x]);
}
}