mirror of
https://github.com/firewalkwithm3/qmk_firmware.git
synced 2024-11-22 03:21:48 +08:00
33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/* Copyright 2021 QMK
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "platform_deps.h"
|
|
|
|
static void disable_jtag(void) {
|
|
// To use PF4-7 (PC2-5 on ATmega32A), disable JTAG by writing JTD bit twice within four cycles.
|
|
#if (defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__))
|
|
MCUCR |= _BV(JTD);
|
|
MCUCR |= _BV(JTD);
|
|
#elif defined(__AVR_ATmega32A__)
|
|
MCUCSR |= _BV(JTD);
|
|
MCUCSR |= _BV(JTD);
|
|
#endif
|
|
}
|
|
|
|
void platform_setup(void) {
|
|
disable_jtag();
|
|
}
|