clockworkpi/DevTerm
1
0
Fork 0
mirror of https://github.com/clockworkpi/DevTerm.git synced 2026-03-21 19:32:37 +01:00
Code Issues Packages Projects Releases Wiki Activity

add PULLUP for keyboard

Browse Source
This commit is contained in:
cuu
2021-06-12 20:56:18 +08:00
parent 03cf255599
commit 191626d736
5 changed files with 55 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
Code/devterm_keyboard/keyboard.ino
View File

@@ -11,13 +11,37 @@ static uint8_t matrix[MATRIX_ROWS];
static uint8_t matrix_debouncing[MATRIX_COLS];
static uint8_t matrix_prev[MATRIX_ROWS];
uint8_t read_kbd_io(uint8_t io) {
#if defined KEYBOARD_PULL && KEYBOARD_PULL == 0
if(digitalRead(io) == LOW ){
return 0;
}else {
return 1;
}
#elif defined KEYBOARD_PULL && KEYBOARD_PULL == 1
if(digitalRead(io) == LOW ){
return 1;
}else {
return 0;
}
#endif
}
void init_rows(){
int i;
for(i=0;i<8;i++) {
#if defined KEYBOARD_PULL && KEYBOARD_PULL == 0
pinMode(matrix_rows[i],OUTPUT);
digitalWrite(matrix_rows[i],LOW);
pinMode(matrix_rows[i],INPUT_PULLDOWN);
pinMode(matrix_rows[i],INPUT_PULLDOWN);
#elif defined KEYBOARD_PULL && KEYBOARD_PULL == 1
pinMode(matrix_rows[i],INPUT_PULLUP);
#endif
}
}
@@ -51,23 +75,33 @@ uint8_t matrix_scan(void) {
uint8_t data;
for(int col = 0; col < MATRIX_COLS;col++){
data = 0;
digitalWrite(matrix_cols[col],HIGH);
#if defined KEYBOARD_PULL && KEYBOARD_PULL == 1
digitalWrite(matrix_cols[col],LOW);
#elif defined KEYBOARD_PULL && KEYBOARD_PULL == 0
digitalWrite(matrix_cols[col],HIGH);
#endif
delayMicroseconds(30);
data =(
( read_io(matrix_rows[0]) << 0 ) |
( read_io(matrix_rows[1]) << 1 ) |
( read_io(matrix_rows[2]) << 2 ) |
( read_io(matrix_rows[3]) << 3 ) |
( read_io(matrix_rows[4]) << 4 ) |
( read_io(matrix_rows[5]) << 5 ) |
( read_io(matrix_rows[6]) << 6 ) |
( read_io(matrix_rows[7]) << 7 )
( read_kbd_io(matrix_rows[0]) << 0 ) |
( read_kbd_io(matrix_rows[1]) << 1 ) |
( read_kbd_io(matrix_rows[2]) << 2 ) |
( read_kbd_io(matrix_rows[3]) << 3 ) |
( read_kbd_io(matrix_rows[4]) << 4 ) |
( read_kbd_io(matrix_rows[5]) << 5 ) |
( read_kbd_io(matrix_rows[6]) << 6 ) |
( read_kbd_io(matrix_rows[7]) << 7 )
);
#if defined KEYBOARD_PULL && KEYBOARD_PULL == 1
digitalWrite(matrix_cols[col],HIGH);
#elif defined KEYBOARD_PULL && KEYBOARD_PULL == 0
digitalWrite(matrix_cols[col],LOW);
#endif
if (matrix_debouncing[col] != data) {
matrix_debouncing[col] = data;
keyboard_debouncing.deing = true;