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- #ifndef UTIL_H
- #define UTIL_H
-
- #include "config.h"
-
- /* Convert from ascii hex digit to number */
- uint8_t from_hex(uint8_t ch);
- extern const uint8_t hex[16];
- int32_t hex_to_u16(char x[4])
-
- /* Array length */
- #define array_len(x) (sizeof(x)/sizeof(x[0]))
-
- /* ISR disable/enable with saving of previous state */
- #define __int_top() int __sr_save
- #define __int_disable() __sr_save=SR; SRbits.IPL=7
- #define __int_enable() SR=__sr_save
- #define disable_int(x) do { \
- __int_top(); \
- __int_disable(); \
- x; \
- __int_enable(); } while(0)
-
- #endif
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