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author | tmk <hasu@tmk-kbd.com> | 2015-04-09 18:32:04 +0200 |
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committer | tmk <hasu@tmk-kbd.com> | 2015-04-09 18:32:04 +0200 |
commit | 1a02ebcc612e9a9c0d87e02295c7258de3a70ccc (patch) | |
tree | e517f3c70bb2d542797e57d13e9023c84af230fb /tmk_core/common/avr/suspend_avr.h | |
parent | 6746e37088ce8ba03529c1226bd216705edb2b1f (diff) | |
parent | a074364c3731d66b56d988c8a6c960a83ea0e0a1 (diff) | |
download | qmk_firmware-1a02ebcc612e9a9c0d87e02295c7258de3a70ccc.tar.gz qmk_firmware-1a02ebcc612e9a9c0d87e02295c7258de3a70ccc.tar.xz |
Merge commit 'a074364c3731d66b56d988c8a6c960a83ea0e0a1' as 'tmk_core'
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 |