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| author | tmk <nobody@nowhere> | 2014-11-24 07:36:53 +0100 |
|---|---|---|
| committer | tmk <nobody@nowhere> | 2014-11-24 07:36:53 +0100 |
| commit | ed52ebb9870a26496b13a0565c1aaca8ded3465b (patch) | |
| tree | cddad806a3408e05bc29310254c564ee94e3e710 /common/avr/suspend_avr.h | |
| parent | eb90ed6238426db9367e294abfaefb5de07564f5 (diff) | |
| parent | e2077cad45f1736e878e317c43bd94117c61b5e0 (diff) | |
| download | qmk_firmware-ed52ebb9870a26496b13a0565c1aaca8ded3465b.tar.gz qmk_firmware-ed52ebb9870a26496b13a0565c1aaca8ded3465b.tar.xz | |
Merge branch 'merge_rn42'
Diffstat (limited to 'common/avr/suspend_avr.h')
| -rw-r--r-- | common/avr/suspend_avr.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/common/avr/suspend_avr.h b/common/avr/suspend_avr.h new file mode 100644 index 000000000..357102da4 --- /dev/null +++ b/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 |