~ruther/qmk_firmware

38e01a7480f6826b3d220c4c8357788558b2af07 — James Churchill 6 years ago 54b5721
Convert split_common to use generic GPIO api
2 files changed, 22 insertions(+), 53 deletions(-)

M quantum/split_common/matrix.c
M quantum/split_common/split_util.c
M quantum/split_common/matrix.c => quantum/split_common/matrix.c +19 -41
@@ 20,17 20,14 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include <stdint.h>
#include <stdbool.h>
#include <avr/io.h>
#include "wait.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "matrix.h"
#include "split_util.h"
#include "pro_micro.h"
#include "config.h"
#include "timer.h"
#include "split_flags.h"
#include "quantum.h"

#ifdef BACKLIGHT_ENABLE
#   include "backlight.h"


@@ 91,8 88,8 @@ static matrix_row_t matrix_debouncing[MATRIX_ROWS];

static uint8_t error_count = 0;

static uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
static uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
static pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
static pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;

/* matrix state(1:on, 0:off) */
static matrix_row_t matrix[MATRIX_ROWS];


@@ 440,9 437,7 @@ uint8_t matrix_key_count(void)
static void init_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
        setPinInputHigh(col_pins[x]);
    }
}



@@ 460,13 455,8 @@ static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)

    // 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);
        current_matrix[current_row] |=  readPin(col_pins[col_index]) ? 0 : (ROW_SHIFTER << col_index);
    }

    // Unselect row


@@ 477,24 467,19 @@ static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)

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
    writePinLow(row_pins[row]);
    setPinOutput(row_pins[row]);
}

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
    setPinInputHigh(row_pins[row]);
}

static void unselect_rows(void)
{
    for(uint8_t x = 0; x < ROWS_PER_HAND; 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
        setPinInputHigh(row_pins[x]);
    }
}



@@ 503,9 488,7 @@ static void unselect_rows(void)
static void init_rows(void)
{
    for(uint8_t x = 0; x < ROWS_PER_HAND; 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
        setPinInputHigh(row_pins[x]);
    }
}



@@ 525,15 508,15 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
        matrix_row_t last_row_value = current_matrix[row_index];

        // Check row pin state
        if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF)) == 0)
        if (readPin(row_pins[row_index]))
        {
            // Pin LO, set col bit
            current_matrix[row_index] |= (ROW_SHIFTER << current_col);
            // Pin HI, clear col bit
            current_matrix[row_index] &= ~(ROW_SHIFTER << current_col);
        }
        else
        {
            // Pin HI, clear col bit
            current_matrix[row_index] &= ~(ROW_SHIFTER << current_col);
            // Pin LO, set col bit
            current_matrix[row_index] |= (ROW_SHIFTER << current_col);
        }

        // Determine if the matrix changed state


@@ 551,24 534,19 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)

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
    writePinLow(col_pins[col]);
    setPinOutput(col_pins[col]);
}

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
    setPinInputHigh(col_pins[col]);
}

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
        setPinInputHigh(col_pins[x]);
    }
}


M quantum/split_common/split_util.c => quantum/split_common/split_util.c +3 -12
@@ 1,24 1,15 @@
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/power.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <avr/eeprom.h>
#include "split_util.h"
#include "matrix.h"
#include "keyboard.h"
#include "config.h"
#include "timer.h"
#include "split_flags.h"
#include "quantum.h"

#ifdef BACKLIGHT_ENABLE
#   include "backlight.h"
#endif

#ifdef SPLIT_HAND_PIN
#   include "pincontrol.h"
#endif

#if defined(USE_I2C) || defined(EH)
#  include "i2c.h"
#endif


@@ 30,8 21,8 @@ volatile uint8_t setTries = 0;
static void setup_handedness(void) {
  #ifdef SPLIT_HAND_PIN
    // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
    pinMode(SPLIT_HAND_PIN, PinDirectionInput);
    isLeftHand = digitalRead(SPLIT_HAND_PIN);
    setPinInput(SPLIT_HAND_PIN);
    isLeftHand = readPin(SPLIT_HAND_PIN);
  #else
    #ifdef EE_HANDS
      isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);