diff options
| author |  Jack Humbert <jack.humb@gmail.com> | 2015-10-27 14:52:18 -0400 |
|---|---|---|
| committer | Jack Humbert <jack.humb@gmail.com> | 2015-10-27 14:52:18 -0400 |
| commit | d311fd8d1a0af3b767d26b520d399bf0db22f058 (patch) | |
| tree | b9de5704143ac205b4e26222f9d7551e9b161924 /tmk_core/common/avr/suspend_avr.h | |
| parent | a766918d5c48204375f4c207b30bbbf1389df14f (diff) | |
| parent | 6f3141965e88c4ee0ebf7c18a243e4c2d9c5021b (diff) | |
| download | qmk_firmware-d311fd8d1a0af3b767d26b520d399bf0db22f058.tar.gz | |
Merge pull request #34 from jackhumbert/tmk-master
merging from tmk, new_project script and template
Diffstat (limited to 'tmk_core/common/avr/suspend_avr.h')
| -rw-r--r-- | tmk_core/common/avr/suspend_avr.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tmk_core/common/avr/suspend_avr.h b/tmk_core/common/avr/suspend_avr.h new file mode 100644 index 000000000..357102da4 --- /dev/null +++ b/tmk_core/common/avr/suspend_avr.h @@ -0,0 +1,27 @@ +#ifndef SUSPEND_AVR_H +#define SUSPEND_AVR_H + +#include <stdint.h> +#include <stdbool.h> +#include <avr/sleep.h> +#include <avr/wdt.h> +#include <avr/interrupt.h> + + +#define wdt_intr_enable(value) \ +__asm__ __volatile__ ( \ + "in __tmp_reg__,__SREG__" "\n\t" \ + "cli" "\n\t" \ + "wdr" "\n\t" \ + "sts %0,%1" "\n\t" \ + "out __SREG__,__tmp_reg__" "\n\t" \ + "sts %0,%2" "\n\t" \ + : /* no outputs */ \ + : "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \ + "r" (_BV(_WD_CHANGE_BIT) | _BV(WDE)), \ + "r" ((uint8_t) ((value & 0x08 ? _WD_PS3_MASK : 0x00) | \ + _BV(WDIE) | (value & 0x07)) ) \ + : "r0" \ +) + +#endif |