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authortmk <hasu@tmk-kbd.com>2015-04-09 18:32:04 +0200
committertmk <hasu@tmk-kbd.com>2015-04-09 18:32:04 +0200
commit1a02ebcc612e9a9c0d87e02295c7258de3a70ccc (patch)
treee517f3c70bb2d542797e57d13e9023c84af230fb /tmk_core/common/avr/suspend_avr.h
parent6746e37088ce8ba03529c1226bd216705edb2b1f (diff)
parenta074364c3731d66b56d988c8a6c960a83ea0e0a1 (diff)
downloadqmk_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.h27
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