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Keyboard: Dactyl - Only initialize relevant variables (#3771)

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This small change prevents an unused variable from being initialized, throwing a warning during compilation, thus ending fatally.

[07:47:10] [Daniels-MacBook-Pro-3] [dburkhol] [ /Users/dburkhol/git/qmk_firmware ] [develop ]
: make handwired/dactyl:default
QMK Firmware 0.6.97
Making handwired/dactyl with keymap default

avr-gcc (GCC) 7.3.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Size before:
   text    data     bss     dec     hex filename
      0   19972       0   19972    4e04 .build/handwired_dactyl_default.hex

Compiling: keyboards/handwired/dactyl/twimaster.c                                                   [OK]
Compiling: keyboards/handwired/dactyl/matrix.c                                                     keyboards/handwired/dactyl/matrix.c:52:22: error: 'expander_col_pins' defined but not used [-Werror=unused-const-variable=]
 static const uint8_t expander_col_pins[MATRIX_COLS] = MATRIX_EXPANDER_COL_PINS;
                      ^~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
 [ERRORS]
 |
 |
 |
make[1]: *** [.build/obj_handwired_dactyl_default/matrix.o] Error 1
make: *** [handwired/dactyl:default] Error 1
Make finished with errors
This commit is contained in:
Daniel Burkholder 2018-08-28 20:06:51 -04:00 committed by Drashna Jaelre
parent 3892829d74
commit af5f59636e
1 changed files with 2 additions and 2 deletions
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4
keyboards/handwired/dactyl/matrix.c
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@ -48,8 +48,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
static const uint8_t onboard_row_pins[MATRIX_ROWS] = MATRIX_ONBOARD_ROW_PINS;
static const uint8_t onboard_col_pins[MATRIX_COLS] = MATRIX_ONBOARD_COL_PINS;
static const bool col_expanded[MATRIX_COLS] = COL_EXPANDED;
static const uint8_t expander_row_pins[MATRIX_ROWS] = MATRIX_EXPANDER_ROW_PINS;
static const uint8_t expander_col_pins[MATRIX_COLS] = MATRIX_EXPANDER_COL_PINS;
#endif
/* matrix state(1:on, 0:off) */
@ -58,12 +56,14 @@ static matrix_row_t matrix[MATRIX_ROWS];
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
#if (DIODE_DIRECTION == COL2ROW)
static const uint8_t expander_col_pins[MATRIX_COLS] = MATRIX_EXPANDER_COL_PINS;
static void init_cols(void);
static bool 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);
#elif (DIODE_DIRECTION == ROW2COL)
static const uint8_t expander_row_pins[MATRIX_ROWS] = MATRIX_EXPANDER_ROW_PINS;
static void init_rows(void);
static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col);
static void unselect_cols(void);