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24 lines
616 B
C
24 lines
616 B
C
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#pragma once
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#include "common.h"
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#define BCDVALID(b) (((b)<=0x99)&&(((b)&0xF)<=0x9)&&((((b)>>4)&0xF)<=0x9))
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#define BCD2NUM(b) (BCDVALID(b) ? (((b)&0xF)+((((b)>>4)&0xF)*10)) : 0xFF)
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#define NUM2BCD(n) ((n<99) ? (((n/10)*0x10)|(n%10)) : 0x99)
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#define DSTIMEGET(bcd,n) (BCD2NUM((bcd)->n))
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// see: http://3dbrew.org/wiki/I2C_Registers#Device_3 (register 30)
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typedef struct {
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u8 bcd_s;
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u8 bcd_m;
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u8 bcd_h;
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u8 unknown;
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u8 bcd_D;
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u8 bcd_M;
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u8 bcd_Y;
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} __attribute__((packed)) DsTime;
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bool is_valid_dstime(DsTime* dstime);
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bool get_dstime(DsTime* dstime);
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bool set_dstime(DsTime* dstime);
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