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57 lines
1.3 KiB
Groff
57 lines
1.3 KiB
Groff
15 years ago
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.TH "power.h" 3 "4 Dec 2008" "Version 1.6.4" "avr-libc" \" -*- nroff -*-
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.ad l
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.nh
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.SH NAME
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power.h \-
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.SH "Detailed Description"
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.PP
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.SH SYNOPSIS
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.br
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.PP
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.SS "Defines"
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.in +1c
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.ti -1c
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.RI "#define \fB_AVR_POWER_H_\fP 1"
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.br
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.ti -1c
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.RI "#define \fBclock_prescale_set\fP(x)"
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.br
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.ti -1c
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.RI "#define \fBclock_prescale_get\fP() (clock_div_t)(CLKPR & (\fBuint8_t\fP)((1<<CLKPS0)|(1<<CLKPS1)|(1<<CLKPS2)|(1<<CLKPS3)))"
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.br
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.in -1c
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.SS "Enumerations"
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.in +1c
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.ti -1c
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.RI "enum \fBclock_div_t\fP { \fBclock_div_1\fP = 0, \fBclock_div_2\fP = 1, \fBclock_div_4\fP = 2, \fBclock_div_8\fP = 3, \fBclock_div_16\fP = 4, \fBclock_div_32\fP = 5, \fBclock_div_64\fP = 6, \fBclock_div_128\fP = 7, \fBclock_div_256\fP = 8 }"
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.br
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.in -1c
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.SH "Define Documentation"
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.PP
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.SS "#define clock_prescale_set(x)"
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.PP
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\fBValue:\fP
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.PP
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.nf
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{ \
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uint8_t tmp = _BV(CLKPCE); \
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__asm__ __volatile__ ( \
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'in __tmp_reg__,__SREG__' '\n\t' \
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'cli' '\n\t' \
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'sts %1, %0' '\n\t' \
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'sts %1, %2' '\n\t' \
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'out __SREG__, __tmp_reg__' \
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: /* no outputs */ \
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: 'd' (tmp), \
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'M' (_SFR_MEM_ADDR(CLKPR)), \
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'd' (x) \
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: 'r0'); \
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}
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.fi
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.SH "Author"
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.PP
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Generated automatically by Doxygen for avr-libc from the source code.
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