From 17170ba76d3c94edcf1ab263520238fdb0384774 Mon Sep 17 00:00:00 2001 From: IBNobody Date: Sun, 23 Oct 2016 23:00:43 -0500 Subject: Fixed some large keyboard bugs Fixed some bugs relating to keyboards with more than 16 columns. Also added the ability to mask off keyboard matrix bits. --- quantum/matrix.c | 37 +++++++++++++++++++++++++++++++++---- 1 file changed, 33 insertions(+), 4 deletions(-) (limited to 'quantum/matrix.c') diff --git a/quantum/matrix.c b/quantum/matrix.c index 3174e0739..ac81794e5 100644 --- a/quantum/matrix.c +++ b/quantum/matrix.c @@ -26,6 +26,10 @@ along with this program. If not, see . #include "util.h" #include "matrix.h" +#ifdef MATRIX_MASKED +extern const matrix_row_t matrix_mask[]; +#endif + /* Set 0 if debouncing isn't needed */ #ifndef DEBOUNCING_DELAY @@ -218,15 +222,34 @@ bool matrix_is_on(uint8_t row, uint8_t col) inline matrix_row_t matrix_get_row(uint8_t row) { + // Matrix mask lets you disable switches in the returned matrix data. For example, if you have a + // switch blocker installed and the switch is always pressed. +#ifdef MATRIX_MASKED + return matrix[row] & matrix_mask[row]; +#else return matrix[row]; +#endif } void matrix_print(void) { +#if (MATRIX_COLS <= 8) + print("\nr/c 01234567\n"); +#elif (MATRIX_COLS <= 16) print("\nr/c 0123456789ABCDEF\n"); +#elif (MATRIX_COLS <= 32) + print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n"); +#endif + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { phex(row); print(": "); - pbin_reverse16(matrix_get_row(row)); +#if (MATRIX_COLS <= 8) + print_bin_reverse8(matrix_get_row(row)); +#elif (MATRIX_COLS <= 16) + print_bin_reverse16(matrix_get_row(row)); +#elif (MATRIX_COLS <= 32) + print_bin_reverse32(matrix_get_row(row)); +#endif print("\n"); } } @@ -235,7 +258,13 @@ uint8_t matrix_key_count(void) { uint8_t count = 0; for (uint8_t i = 0; i < MATRIX_ROWS; i++) { +#if (MATRIX_COLS <= 8) + count += bitpop(matrix[i]); +#elif (MATRIX_COLS <= 16) count += bitpop16(matrix[i]); +#elif (MATRIX_COLS <= 32) + count += bitpop32(matrix[i]); +#endif } return count; } @@ -259,7 +288,7 @@ static matrix_row_t read_cols(void) matrix_row_t result = 0; #if DIODE_DIRECTION == COL2ROW - for(int x = 0; x < MATRIX_COLS; x++) { + for(int x = 0; x < MATRIX_COLS; x++) { int pin = col_pins[x]; #else for(int x = 0; x < MATRIX_ROWS; x++) { @@ -273,10 +302,10 @@ static matrix_row_t read_cols(void) static void unselect_rows(void) { #if DIODE_DIRECTION == COL2ROW - for(int x = 0; x < MATRIX_ROWS; x++) { + for(int x = 0; x < MATRIX_ROWS; x++) { int pin = row_pins[x]; #else - for(int x = 0; x < MATRIX_COLS; x++) { + for(int x = 0; x < MATRIX_COLS; x++) { int pin = col_pins[x]; #endif _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); -- cgit v1.2.3-24-g4f1b From 508eddf8ba8548d3f71e1c09a404839beb49f45c Mon Sep 17 00:00:00 2001 From: IBNobody Date: Fri, 28 Oct 2016 14:21:38 -0500 Subject: Fixing Debounce - WIP --- quantum/matrix.c | 246 ++++++++++++++++++++++++++++++++++++------------------- 1 file changed, 163 insertions(+), 83 deletions(-) (limited to 'quantum/matrix.c') diff --git a/quantum/matrix.c b/quantum/matrix.c index ac81794e5..a7dab0987 100644 --- a/quantum/matrix.c +++ b/quantum/matrix.c @@ -26,6 +26,33 @@ along with this program. If not, see . #include "util.h" #include "matrix.h" +#if (MATRIX_COLS <= 8) +# define print_matrix_header() print("\nr/c 01234567\n") +# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop(matrix[i]) +# define ROW_SHIFTER ((uint8_t)1) +#elif (MATRIX_COLS <= 16) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop16(matrix[i]) +# define ROW_SHIFTER ((uint16_t)1) +#elif (MATRIX_COLS <= 32) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop32(matrix[i]) +# define ROW_SHIFTER ((uint32_t)1) +#endif + +#if (MATRIX_ROWS <= 8) +# define COL_SHIFTER ((uint8_t)1) +#elif (MATRIX_ROWS <= 16) +# define COL_SHIFTER ((uint16_t)1) +#elif (MATRIX_ROWS <= 32) +# define COL_SHIFTER ((uint32_t)1) +#endif + + + #ifdef MATRIX_MASKED extern const matrix_row_t matrix_mask[]; #endif @@ -42,24 +69,28 @@ static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; /* matrix state(1:on, 0:off) */ static matrix_row_t matrix[MATRIX_ROWS]; -static matrix_row_t matrix_debouncing[MATRIX_ROWS]; -#if DIODE_DIRECTION == ROW2COL - static matrix_row_t matrix_reversed[MATRIX_COLS]; - static matrix_row_t matrix_reversed_debouncing[MATRIX_COLS]; +#if DIODE_DIRECTION == COL2ROW + static matrix_row_t matrix_debouncing[MATRIX_ROWS]; +#else // ROW2COL + static matrix_col_t matrix_transposed[MATRIX_COLS]; + static matrix_col_t matrix_transposed_debouncing[MATRIX_COLS]; #endif -#if MATRIX_COLS > 16 - #define SHIFTER 1UL -#else - #define SHIFTER 1 +#if (DIODE_DIRECTION == COL2ROW) + static void init_cols(void); + static matrix_row_t read_cols(void); + static void unselect_rows(void); + static void select_row(uint8_t row); + static void unselect_row(uint8_t row); +#else // ROW2COL + static void init_rows(void); + static matrix_col_t read_rows(void); + static void unselect_cols(void); + static void unselect_col(uint8_t col); + static void select_col(uint8_t col); #endif -static matrix_row_t read_cols(void); -static void init_cols(void); -static void unselect_rows(void); -static void select_row(uint8_t row); - __attribute__ ((weak)) void matrix_init_quantum(void) { matrix_init_kb(); @@ -99,7 +130,7 @@ uint8_t matrix_cols(void) { } // void matrix_power_up(void) { -// #if DIODE_DIRECTION == COL2ROW +// #if (DIODE_DIRECTION == COL2ROW) // for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) { // /* DDRxn */ // _SFR_IO8((row_pins[r] >> 4) + 1) |= _BV(row_pins[r] & 0xF); @@ -123,13 +154,15 @@ uint8_t matrix_cols(void) { // } void matrix_init(void) { + // To use PORTF disable JTAG with writing JTD bit twice within four cycles. - #ifdef __AVR_ATmega32U4__ + #if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__)) MCUCR |= _BV(JTD); MCUCR |= _BV(JTD); #endif // initialize row and col +#if (DIODE_DIRECTION == COL2ROW) unselect_rows(); init_cols(); @@ -139,25 +172,43 @@ void matrix_init(void) { matrix_debouncing[i] = 0; } +#else // ROW2COL + unselect_cols(); + init_rows(); + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + } + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_COLS; i++) { + matrix_transposed_debouncing[i] = 0; + } +#endif + matrix_init_quantum(); } uint8_t matrix_scan(void) { -#if DIODE_DIRECTION == COL2ROW +#if (DIODE_DIRECTION == COL2ROW) + + // Set row, read cols + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { select_row(i); wait_us(30); // without this wait read unstable value. - matrix_row_t cols = read_cols(); - if (matrix_debouncing[i] != cols) { - matrix_debouncing[i] = cols; + matrix_row_t current_row = read_cols(); + if (matrix_debouncing[i] != current_row) { + matrix_debouncing[i] = current_row; if (debouncing) { debug("bounce!: "); debug_hex(debouncing); debug("\n"); } debouncing = DEBOUNCING_DELAY; } - unselect_rows(); + unselect_row(i); } if (debouncing) { @@ -169,19 +220,23 @@ uint8_t matrix_scan(void) } } } -#else + +#else // ROW2COL + + // Set col, read rows + for (uint8_t i = 0; i < MATRIX_COLS; i++) { - select_row(i); + select_col(i); wait_us(30); // without this wait read unstable value. - matrix_row_t rows = read_cols(); - if (matrix_reversed_debouncing[i] != rows) { - matrix_reversed_debouncing[i] = rows; + matrix_col_t current_col = read_rows(); + if (matrix_transposed_debouncing[i] != current_col) { + matrix_transposed_debouncing[i] = current_col; if (debouncing) { debug("bounce!: "); debug_hex(debouncing); debug("\n"); } debouncing = DEBOUNCING_DELAY; } - unselect_rows(); + unselect_col(i); } if (debouncing) { @@ -189,17 +244,20 @@ uint8_t matrix_scan(void) wait_ms(1); } else { for (uint8_t i = 0; i < MATRIX_COLS; i++) { - matrix_reversed[i] = matrix_reversed_debouncing[i]; + matrix_transposed[i] = matrix_transposed_debouncing[i]; } } } + + // Untranspose matrix for (uint8_t y = 0; y < MATRIX_ROWS; y++) { matrix_row_t row = 0; for (uint8_t x = 0; x < MATRIX_COLS; x++) { - row |= ((matrix_reversed[x] & (1<> y) << x; + row |= ((matrix_transposed[x] & (1<> y) << x; } matrix[y] = row; } + #endif matrix_scan_quantum(); @@ -233,23 +291,11 @@ matrix_row_t matrix_get_row(uint8_t row) void matrix_print(void) { -#if (MATRIX_COLS <= 8) - print("\nr/c 01234567\n"); -#elif (MATRIX_COLS <= 16) - print("\nr/c 0123456789ABCDEF\n"); -#elif (MATRIX_COLS <= 32) - print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n"); -#endif + print_matrix_header(); for (uint8_t row = 0; row < MATRIX_ROWS; row++) { phex(row); print(": "); -#if (MATRIX_COLS <= 8) - print_bin_reverse8(matrix_get_row(row)); -#elif (MATRIX_COLS <= 16) - print_bin_reverse16(matrix_get_row(row)); -#elif (MATRIX_COLS <= 32) - print_bin_reverse32(matrix_get_row(row)); -#endif + print_matrix_row(row); print("\n"); } } @@ -258,28 +304,21 @@ uint8_t matrix_key_count(void) { uint8_t count = 0; for (uint8_t i = 0; i < MATRIX_ROWS; i++) { -#if (MATRIX_COLS <= 8) - count += bitpop(matrix[i]); -#elif (MATRIX_COLS <= 16) - count += bitpop16(matrix[i]); -#elif (MATRIX_COLS <= 32) - count += bitpop32(matrix[i]); -#endif + count += matrix_bitpop(i); } return count; } + + +#if (DIODE_DIRECTION == COL2ROW) + static void init_cols(void) { -#if DIODE_DIRECTION == COL2ROW - for(int x = 0; x < MATRIX_COLS; x++) { - int pin = col_pins[x]; -#else - for(int x = 0; x < MATRIX_ROWS; x++) { - int pin = row_pins[x]; -#endif - _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); - _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); + for(uint8_t x = 0; x < MATRIX_COLS; x++) { + uint8_t pin = col_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI } } @@ -287,40 +326,81 @@ static matrix_row_t read_cols(void) { matrix_row_t result = 0; -#if DIODE_DIRECTION == COL2ROW - for(int x = 0; x < MATRIX_COLS; x++) { - int pin = col_pins[x]; -#else - for(int x = 0; x < MATRIX_ROWS; x++) { - int pin = row_pins[x]; -#endif - result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (SHIFTER << x); + for(uint8_t x = 0; x < MATRIX_COLS; x++) { + uint8_t pin = col_pins[x]; + result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (ROW_SHIFTER << x); } + return result; } +static void select_row(uint8_t row) +{ + uint8_t pin = row_pins[row]; + _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT + _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW +} + +static void unselect_row(uint8_t row) +{ + uint8_t pin = row_pins[row]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI +} + static void unselect_rows(void) { -#if DIODE_DIRECTION == COL2ROW - for(int x = 0; x < MATRIX_ROWS; x++) { - int pin = row_pins[x]; -#else - for(int x = 0; x < MATRIX_COLS; x++) { - int pin = col_pins[x]; -#endif - _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); - _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); + for(uint8_t x = 0; x < MATRIX_ROWS; x++) { + uint8_t pin = row_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI } } -static void select_row(uint8_t row) +#else // ROW2COL + +static void init_rows(void) { + for(uint8_t x = 0; x < MATRIX_ROWS; x++) { + uint8_t pin = row_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} -#if DIODE_DIRECTION == COL2ROW - int pin = row_pins[row]; -#else - int pin = col_pins[row]; -#endif - _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); - _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); +static matrix_col_t read_rows(void) +{ + matrix_col_t result = 0; + + for(uint8_t x = 0; x < MATRIX_ROWS; x++) { + uint8_t pin = row_pins[x]; + result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (COL_SHIFTER << x); + } + + return result; +} + +static void select_col(uint8_t col) +{ + uint8_t pin = col_pins[col]; + _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT + _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW +} + +static void unselect_col(uint8_t col) +{ + uint8_t pin = col_pins[col]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI } + +static void unselect_cols(void) +{ + for(uint8_t x = 0; x < MATRIX_COLS; x++) { + uint8_t pin = col_pins[x]; + _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + +#endif -- cgit v1.2.3-24-g4f1b From 4c6960835c0a6e29670dabdc27117d7d3c7f99f5 Mon Sep 17 00:00:00 2001 From: IBNobody Date: Fri, 28 Oct 2016 16:24:20 -0500 Subject: Refactoring Matrix scanning --- quantum/matrix.c | 173 ++++++++++++++++++++++++++++++------------------------- 1 file changed, 95 insertions(+), 78 deletions(-) (limited to 'quantum/matrix.c') diff --git a/quantum/matrix.c b/quantum/matrix.c index a7dab0987..1bacea1be 100644 --- a/quantum/matrix.c +++ b/quantum/matrix.c @@ -43,16 +43,6 @@ along with this program. If not, see . # define ROW_SHIFTER ((uint32_t)1) #endif -#if (MATRIX_ROWS <= 8) -# define COL_SHIFTER ((uint8_t)1) -#elif (MATRIX_ROWS <= 16) -# define COL_SHIFTER ((uint16_t)1) -#elif (MATRIX_ROWS <= 32) -# define COL_SHIFTER ((uint32_t)1) -#endif - - - #ifdef MATRIX_MASKED extern const matrix_row_t matrix_mask[]; #endif @@ -70,6 +60,9 @@ static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; /* matrix state(1:on, 0:off) */ static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_raw[MATRIX_ROWS]; + + #if DIODE_DIRECTION == COL2ROW static matrix_row_t matrix_debouncing[MATRIX_ROWS]; #else // ROW2COL @@ -79,13 +72,13 @@ static matrix_row_t matrix[MATRIX_ROWS]; #if (DIODE_DIRECTION == COL2ROW) static void init_cols(void); - static matrix_row_t read_cols(void); + static void read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) static void unselect_rows(void); static void select_row(uint8_t row); static void unselect_row(uint8_t row); #else // ROW2COL static void init_rows(void); - static matrix_col_t read_rows(void); + static void read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) static void unselect_cols(void); static void unselect_col(uint8_t col); static void select_col(uint8_t col); @@ -169,6 +162,7 @@ void matrix_init(void) { // initialize matrix state: all keys off for (uint8_t i=0; i < MATRIX_ROWS; i++) { matrix[i] = 0; + matrix_raw[i] = 0; matrix_debouncing[i] = 0; } @@ -178,6 +172,7 @@ void matrix_init(void) { // initialize matrix state: all keys off for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix_raw[i] = 0; matrix[i] = 0; } @@ -196,67 +191,73 @@ uint8_t matrix_scan(void) #if (DIODE_DIRECTION == COL2ROW) // Set row, read cols - - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - select_row(i); - wait_us(30); // without this wait read unstable value. - matrix_row_t current_row = read_cols(); - if (matrix_debouncing[i] != current_row) { - matrix_debouncing[i] = current_row; - if (debouncing) { - debug("bounce!: "); debug_hex(debouncing); debug("\n"); - } - debouncing = DEBOUNCING_DELAY; - } - unselect_row(i); + for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) { + read_cols_on_row(matrix, current_row); } - if (debouncing) { - if (--debouncing) { - wait_ms(1); - } else { - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - matrix[i] = matrix_debouncing[i]; - } - } - } + // select_row(i); + // wait_us(30); // without this wait read unstable value. + // matrix_row_t current_row = read_cols(); + // if (matrix_debouncing[i] != current_row) { + // matrix_debouncing[i] = current_row; + // if (debouncing) { + // debug("bounce!: "); debug_hex(debouncing); debug("\n"); + // } + // debouncing = DEBOUNCING_DELAY; + // } + // unselect_row(i); + // } + + // if (debouncing) { + // if (--debouncing) { + // wait_ms(1); + // } else { + // for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + // matrix[i] = matrix_debouncing[i]; + // } + // } + // } #else // ROW2COL // Set col, read rows - - for (uint8_t i = 0; i < MATRIX_COLS; i++) { - select_col(i); - wait_us(30); // without this wait read unstable value. - matrix_col_t current_col = read_rows(); - if (matrix_transposed_debouncing[i] != current_col) { - matrix_transposed_debouncing[i] = current_col; - if (debouncing) { - debug("bounce!: "); debug_hex(debouncing); debug("\n"); - } - debouncing = DEBOUNCING_DELAY; - } - unselect_col(i); + for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { + read_rows_on_col(matrix, current_col); } - if (debouncing) { - if (--debouncing) { - wait_ms(1); - } else { - for (uint8_t i = 0; i < MATRIX_COLS; i++) { - matrix_transposed[i] = matrix_transposed_debouncing[i]; - } - } - } - // Untranspose matrix - for (uint8_t y = 0; y < MATRIX_ROWS; y++) { - matrix_row_t row = 0; - for (uint8_t x = 0; x < MATRIX_COLS; x++) { - row |= ((matrix_transposed[x] & (1<> y) << x; - } - matrix[y] = row; - } + // for (uint8_t i = 0; i < MATRIX_COLS; i++) { + // select_col(i); + // wait_us(30); // without this wait read unstable value. + // matrix_col_t current_col = read_rows(); + // if (matrix_transposed_debouncing[i] != current_col) { + // matrix_transposed_debouncing[i] = current_col; + // if (debouncing) { + // debug("bounce!: "); debug_hex(debouncing); debug("\n"); + // } + // debouncing = DEBOUNCING_DELAY; + // } + // unselect_col(i); + // } + + // if (debouncing) { + // if (--debouncing) { + // wait_ms(1); + // } else { + // for (uint8_t i = 0; i < MATRIX_COLS; i++) { + // matrix_transposed[i] = matrix_transposed_debouncing[i]; + // } + // } + // } + + // // Untranspose matrix + // for (uint8_t y = 0; y < MATRIX_ROWS; y++) { + // matrix_row_t row = 0; + // for (uint8_t x = 0; x < MATRIX_COLS; x++) { + // row |= ((matrix_transposed[x] & (1<> y) << x; + // } + // matrix[y] = row; + // } #endif @@ -322,16 +323,25 @@ static void init_cols(void) } } -static matrix_row_t read_cols(void) +static void read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) { - matrix_row_t result = 0; + // Clear data in matrix row + current_matrix[current_row] = 0; - for(uint8_t x = 0; x < MATRIX_COLS; x++) { - uint8_t pin = col_pins[x]; - result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (ROW_SHIFTER << x); - } + // Select row and wait for row selecton to stabilize + select_row(current_row); + wait_us(30); - return result; + // 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 = col_pins[col_index]; + uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)); + + // Populate the matrix row with the state of the col pin + current_matrix[current_row] |= pin_state ? 0 : (ROW_SHIFTER << col_index); + } } static void select_row(uint8_t row) @@ -368,16 +378,23 @@ static void init_rows(void) } } -static matrix_col_t read_rows(void) +static void read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) { - matrix_col_t result = 0; - for(uint8_t x = 0; x < MATRIX_ROWS; x++) { - uint8_t pin = row_pins[x]; - result |= (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)) ? 0 : (COL_SHIFTER << x); - } + // Select col and wait for col selecton to stabilize + select_col(current_col); + wait_us(30); - return result; + // For each row... + for(uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) { + + // Select the row pin to read (active low) + uint8_t pin = row_pins[row_index]; + uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)); + + // Populate the matrix row with the state of the col pin + current_matrix[row_index] &= pin_state ? ~(ROW_SHIFTER << current_col) : 0; + } } static void select_col(uint8_t col) -- cgit v1.2.3-24-g4f1b From 32f88c07173b795c6981c779057dceba00aeb1cb Mon Sep 17 00:00:00 2001 From: IBNobody Date: Sat, 29 Oct 2016 10:39:03 -0500 Subject: Made scanning more efficient --- quantum/matrix.c | 55 ++++++++++++++++++++++++------------------------------- 1 file changed, 24 insertions(+), 31 deletions(-) (limited to 'quantum/matrix.c') diff --git a/quantum/matrix.c b/quantum/matrix.c index 1bacea1be..f45b251e4 100644 --- a/quantum/matrix.c +++ b/quantum/matrix.c @@ -61,24 +61,18 @@ static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; static matrix_row_t matrix[MATRIX_ROWS]; static matrix_row_t matrix_raw[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; -#if DIODE_DIRECTION == COL2ROW - static matrix_row_t matrix_debouncing[MATRIX_ROWS]; -#else // ROW2COL - static matrix_col_t matrix_transposed[MATRIX_COLS]; - static matrix_col_t matrix_transposed_debouncing[MATRIX_COLS]; -#endif - #if (DIODE_DIRECTION == COL2ROW) static void init_cols(void); - static void read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) + static void read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row); static void unselect_rows(void); static void select_row(uint8_t row); static void unselect_row(uint8_t row); #else // ROW2COL static void init_rows(void); - static void read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) + static void read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col); static void unselect_cols(void); static void unselect_col(uint8_t col); static void select_col(uint8_t col); @@ -158,30 +152,18 @@ void matrix_init(void) { #if (DIODE_DIRECTION == COL2ROW) unselect_rows(); init_cols(); - - // initialize matrix state: all keys off - for (uint8_t i=0; i < MATRIX_ROWS; i++) { - matrix[i] = 0; - matrix_raw[i] = 0; - matrix_debouncing[i] = 0; - } - #else // ROW2COL unselect_cols(); init_rows(); +#endif // initialize matrix state: all keys off for (uint8_t i=0; i < MATRIX_ROWS; i++) { - matrix_raw[i] = 0; matrix[i] = 0; + matrix_raw[i] = 0; + matrix_debouncing[i] = 0; } - // initialize matrix state: all keys off - for (uint8_t i=0; i < MATRIX_COLS; i++) { - matrix_transposed_debouncing[i] = 0; - } -#endif - matrix_init_quantum(); } @@ -262,7 +244,7 @@ uint8_t matrix_scan(void) #endif matrix_scan_quantum(); - +// matrix_print(); return 1; } @@ -342,6 +324,9 @@ static void read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) // Populate the matrix row with the state of the col pin current_matrix[current_row] |= pin_state ? 0 : (ROW_SHIFTER << col_index); } + + // Unselect row + unselect_row(current_row); } static void select_row(uint8_t row) @@ -388,13 +373,21 @@ static void read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) // For each row... for(uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) { - // Select the row pin to read (active low) - uint8_t pin = row_pins[row_index]; - uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF)); - - // Populate the matrix row with the state of the col pin - current_matrix[row_index] &= pin_state ? ~(ROW_SHIFTER << current_col) : 0; + // Check row pin state + if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF)) == 0) + { + // Pin LO, set col bit + current_matrix[row_index] |= (ROW_SHIFTER << current_col); + } + else + { + // Pin HI, clear col bit + current_matrix[row_index] &= ~(ROW_SHIFTER << current_col); + } } + + // Unselect col + unselect_col(current_col); } static void select_col(uint8_t col) -- cgit v1.2.3-24-g4f1b