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RTC: use the full 8 byte

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This commit is contained in:
d0k3 2017-11-09 00:21:18 +01:00
parent 3ccd81da2c
commit 463f2881da
2 changed files with 5 additions and 4 deletions
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6
source/common/rtc.c
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@ -28,13 +28,13 @@ bool is_valid_dstime(DsTime* dstime) {
} }
bool get_dstime(DsTime* dstime) { bool get_dstime(DsTime* dstime) {
return (I2C_readRegBuf(I2C_DEV_MCU, 0x30, (void*) dstime, 7)); return (I2C_readRegBuf(I2C_DEV_MCU, 0x30, (void*) dstime, sizeof(DsTime)));
} }
bool set_dstime(DsTime* dstime) { bool set_dstime(DsTime* dstime) {
if (!is_valid_dstime(dstime)) return false; if (!is_valid_dstime(dstime)) return false;
for (u32 i = 0; i < 7; i++) { for (u32 i = 0; i < sizeof(DsTime); i++) {
if (i == 3) continue; // skip the unknown byte if ((i == 3) || (i == 7)) continue; // skip the unused bytes
if (!I2C_writeReg(I2C_DEV_MCU, 0x30+i, ((u8*)dstime)[i])) if (!I2C_writeReg(I2C_DEV_MCU, 0x30+i, ((u8*)dstime)[i]))
return false; return false;
} }

3
source/common/rtc.h
View File

@ -12,10 +12,11 @@ typedef struct {
u8 bcd_s; u8 bcd_s;
u8 bcd_m; u8 bcd_m;
u8 bcd_h; u8 bcd_h;
u8 unknown; u8 weekday;
u8 bcd_D; u8 bcd_D;
u8 bcd_M; u8 bcd_M;
u8 bcd_Y; u8 bcd_Y;
u8 leap_count;
} __attribute__((packed)) DsTime; } __attribute__((packed)) DsTime;
bool is_valid_dstime(DsTime* dstime); bool is_valid_dstime(DsTime* dstime);