diff options
Diffstat (limited to 'keyboards/keychron/k1_pro/matrix.c')
-rw-r--r-- | keyboards/keychron/k1_pro/matrix.c | 147 |
1 files changed, 62 insertions, 85 deletions
diff --git a/keyboards/keychron/k1_pro/matrix.c b/keyboards/keychron/k1_pro/matrix.c index 22d2ac1e11..8be33235de 100644 --- a/keyboards/keychron/k1_pro/matrix.c +++ b/keyboards/keychron/k1_pro/matrix.c @@ -20,29 +20,11 @@ #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 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(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); - } -} + uint8_t n = 1; + uint8_t i; -static void HC595_output_oneBit(uint8_t data) { - ATOMIC_BLOCK_FORCEON { + for (i = 1; 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 == 1) { - 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 == 1) HC595_output(0xFFFF); + if (x == DIRECT_COL_NUM) HC595_output(0xFFFF); + 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 == 1) HC595_output(0x0000); + if (x == DIRECT_COL_NUM) HC595_output(0x0000); + 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]); } } |