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Disable JTAG in keyboard init

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So that all boards, present and future will have JTAG disabled, even if using a custom matrix
This commit is contained in:
Drashna Jaelre 2018-06-21 20:29:40 -07:00 • committed by Jack Humbert
commit ee3b9d2ef0
2 changed files with 6 additions and 7 deletions
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6
quantum/matrix.c
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@ -148,12 +148,6 @@ uint8_t matrix_cols(void) {
void matrix_init(void) {
// To use PORTF disable JTAG with writing JTD bit twice within four cycles.
#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();

5
tmk_core/common/keyboard.c
View file

@ -148,6 +148,11 @@ bool is_keyboard_master(void) {
*/
void keyboard_init(void) {
timer_init();
// To use PORTF disable JTAG with writing JTD bit twice within four cycles.
#if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__))
MCUCR |= _BV(JTD);
MCUCR |= _BV(JTD);
#endif
matrix_init();
#ifdef PS2_MOUSE_ENABLE
ps2_mouse_init();