diff options
| author | Drashna Jael're <drashna@live.com> | 2022-05-29 15:38:33 -0700 |
|---|---|---|
| committer | Drashna Jael're <drashna@live.com> | 2022-05-29 15:38:33 -0700 |
| commit | 30aac80d5a6d8c6f7c06efb49189d748e70edc4a (patch) | |
| tree | ceb11968ae41228e4b110c07467cdca7cc9cff22 /platforms/avr/platform.c | |
| parent | 67f4e5f34489abf986dedb4984b256692086c615 (diff) | |
| parent | e22a183329fd05d39f88bb9dfebe98cfa7cd8402 (diff) | |
Merge remote-tracking branch 'qmk 0.17.0' into firmware21
Diffstat (limited to 'platforms/avr/platform.c')
| -rw-r--r-- | platforms/avr/platform.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/platforms/avr/platform.c b/platforms/avr/platform.c index 3e35b4fe4c..37decb6ec8 100644 --- a/platforms/avr/platform.c +++ b/platforms/avr/platform.c @@ -16,6 +16,17 @@ #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) { - // do nothing + disable_jtag(); } |