darkkirb/qmk_firmware
1
0
Fork 0
forked from mirrors/qmk_firmware
Code Issues Pull requests Projects Releases Packages Wiki Activity

Disable JTAG in keyboard init

Browse source 
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
parent c5db272c91
commit ee3b9d2ef0
2 changed files with 6 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
quantum/matrix.c
View file

@ -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();

7
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();
@ -185,7 +190,7 @@ void keyboard_init(void) {
/** \brief Keyboard task: Do keyboard routine jobs
*
* Do routine keyboard jobs:
* Do routine keyboard jobs:
*
* * scan matrix
* * handle mouse movements