void rtc_set_alarm(int h, int m)
{
unsigned char buf[4] = {0};
int i, rv;
/* clear alarm interrupt */
rv = i2c_readbytes(RTC_ADDR, RTC_CTRL2, 1, buf);
buf[0] &= RTC_AF;
pp_i2c_send(RTC_ADDR, RTC_CTRL2, buf[0]);
/* prepare new alarm */
if( m >= 0 )
buf[0] = DEC2BCD(m);
else
/* ignore minutes comparison query */
buf[0] = RTC_AE;
if( h >= 0 )
buf[1] = DEC2BCD(h);
else
/* ignore hours comparison query */
buf[1] = RTC_AE;
/* ignore day and wday */
buf[2] = RTC_AE;
buf[3] = RTC_AE;
/* write new alarm */
for(i = 0; i < 4; i++)
pp_i2c_send(RTC_ADDR, RTC_ALARM_MINUTES + i, buf[i]);
/* note: alarm is not enabled at the point */
}
void rtc_set_alarm(int h, int m)
{
/* Set us to wake at the first second of the specified time */
pcf50605_write(0x11, 0);
/* Convert to BCD */
pcf50605_write(0x12, DEC2BCD(m));
pcf50605_write(0x13, DEC2BCD(h));
}
int rtc_write_datetime(const struct tm *tm)
{
unsigned int i;
int rc, oldlevel;
unsigned char buf[7];
buf[0] = tm->tm_sec;
buf[1] = tm->tm_min;
buf[2] = tm->tm_hour;
buf[3] = tm->tm_wday;
buf[4] = tm->tm_mday;
buf[5] = tm->tm_mon + 1;
buf[6] = tm->tm_year - 100;
for (i = 0; i < sizeof(buf); i++)
buf[i] = DEC2BCD(buf[i]);
oldlevel = disable_irq_save();
if (get_pmu_type() == PCF50606)
rc = pcf50606_write_multiple(PCF5060X_RTCSC, buf, sizeof(buf));
else
rc = pcf50635_write_multiple(PCF5063X_REG_RTCSC, buf, sizeof(buf));
restore_irq(oldlevel);
return rc;
}
int rtc_write_datetime(const struct tm *tm)
{
unsigned int i;
int rc = 0;
unsigned char buf[7];
buf[0] = tm->tm_sec;
buf[1] = tm->tm_min;
buf[2] = tm->tm_hour;
buf[3] = tm->tm_wday;
buf[4] = tm->tm_mday;
buf[5] = tm->tm_mon + 1;
buf[6] = tm->tm_year - 100;
/* Adjust weekday */
if (buf[3] == 0)
buf[3] = 7;
for (i = 0; i < sizeof(buf) ; i++)
{
rc |= rtc_write(i + 1, DEC2BCD(buf[i]));
}
rc |= rtc_write(8, 0x80); /* Out=1, calibration = 0 */
return rc;
}
/* set alarm time registers to the given time (repeat once per day) */
void rtc_set_alarm(int h, int m)
{
unsigned char data;
/* for daily alarm, RPT5=RPT4=on, RPT1=RPT2=RPT3=off */
rtc_write(0x0e, 0x00); /* seconds 0 and RTP1 */
rtc_write(0x0d, DEC2BCD(m)); /* minutes and RPT2 */
rtc_write(0x0c, DEC2BCD(h)); /* hour and RPT3 */
rtc_write(0x0b, 0xc1); /* set date 01 and RPT4 and RTP5 */
/* set month to 1, if it's invalid, the rtc does an alarm every second instead */
data = rtc_read(0x0a);
data &= 0xe0;
data |= 0x01;
rtc_write(0x0a, data);
}
void mcp7941x_set_date_time(struct rtc_time *t) {
static char cmd[] = {MCP7941X_RTCC_TCR_SECONDS};
char reg[] = {0,0,0,0,0,0,0};
reg[MCP7941X_RTCC_TCR_SECONDS] = DEC2BCD(t->tm_sec & 0x7f);
reg[MCP7941X_RTCC_TCR_MINUTES] = DEC2BCD(t->tm_min & 0x7f);
reg[MCP7941X_RTCC_TCR_HOURS] = DEC2BCD(t->tm_hour & 0x1f);
reg[MCP7941X_RTCC_TCR_DAY] = DEC2BCD(t->tm_wday & 0x07);
reg[MCP7941X_RTCC_TCR_DATE] = DEC2BCD(t->tm_mday & 0x3f);
reg[MCP7941X_RTCC_TCR_MONTH] = DEC2BCD(t->tm_mon & 0x1f);
reg[MCP7941X_RTCC_TCR_YEAR] = DEC2BCD(t->tm_year);
reg[MCP7941X_RTCC_TCR_SECONDS] |= MCP7941X_RTCC_BIT_ST;
reg[MCP7941X_RTCC_TCR_DAY] |= MCP7941X_RTCC_BIT_VBATEN;
char data[8];
data[0] = cmd[1];
data[1] = reg[0];
data[2] = reg[1];
data[3] = reg[2];
data[4] = reg[3];
data[5] = reg[4];
data[6] = reg[5];
data[7] = reg[6];
mcp7941x_setup();
bcm2835_i2c_write(data, sizeof(data)/sizeof(char));
}
/******写SD2068实时数据寄存器******/
static int SD2068A_I2CWriteDate(unsigned char* WriteData)
{
SD2068A_WriteTimeOn();
if(SD2068A_I2CStart() != 0)
{
return -1;
}
SD2068A_I2CSendByte(WRITE_COMMAND);
if( 0 != SD2068A_I2CWaitAck())
{
SD2068A_I2CStop();
return -1;
}
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(Second_Address); //设置写起始地址
SD2068A_I2CWaitAck();
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(DEC2BCD(WriteData[0])); //Second
SD2068A_I2CWaitAck();
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(DEC2BCD(WriteData[1])); //minute
SD2068A_I2CWaitAck();
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(DEC2BCD(WriteData[2]) | 0x80); //hour,24小时制
SD2068A_I2CWaitAck();
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(DEC2BCD(WriteData[3])); //week
SD2068A_I2CWaitAck();
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(DEC2BCD(WriteData[4])); //DAY
SD2068A_I2CWaitAck();
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(DEC2BCD(WriteData[5])); //MONTH
SD2068A_I2CWaitAck();
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(DEC2BCD(WriteData[6])); //year
SD2068A_I2CWaitAck();
SD2068A_I2CStop();
SD2068A_I2CStart();
SD2068A_I2CSendByte(WRITE_COMMAND);
SD2068A_I2CWaitAck();
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(ReviseTime);//设置调整时间地址
SD2068A_I2CWaitAck();
SD2068A_SDA_OUT();
SD2068A_I2CSendByte(0x00);//零数字调整寄存器
SD2068A_I2CWaitAck();
SD2068A_I2CStop();
SD2068A_WriteTimeOff();
return 0;
}
int rtc_write_datetime(const struct tm *tm)
{
BCDSEC = DEC2BCD(tm->tm_sec);
BCDMIN = DEC2BCD(tm->tm_min);
BCDHOUR = DEC2BCD(tm->tm_hour);
BCDDAY = DEC2BCD(tm->tm_wday) + 1; /* chip wants 1..7 for wday */
BCDDATE = DEC2BCD(tm->tm_mday);
BCDMON = DEC2BCD(tm->tm_mon + 1);
BCDYEAR = DEC2BCD(tm->tm_year - 100);
return 1;
}
int rtc_write_datetime(const struct tm *tm)
{
unsigned int i;
unsigned char buf[7];
buf[0] = tm->tm_sec;
buf[1] = tm->tm_min;
buf[2] = tm->tm_hour;
buf[3] = tm->tm_mday;
buf[4] = tm->tm_wday;
buf[5] = tm->tm_mon + 1;
buf[6] = tm->tm_year - 100;
for (i = 0; i < sizeof(buf); i++)
pp_i2c_send(RTC_ADDR, 0x02 + i, DEC2BCD(buf[i]));
return 1;
}
int rtc_write_datetime(const struct tm *tm)
{
unsigned int i;
unsigned char buf[7];
buf[0] = tm->tm_sec;
buf[1] = tm->tm_min;
buf[2] = tm->tm_hour;
buf[3] = tm->tm_wday;
buf[4] = tm->tm_mday;
buf[5] = tm->tm_mon + 1;
buf[6] = tm->tm_year - 100;
for (i = 0; i < sizeof(buf); i++)
buf[i] = DEC2BCD(buf[i]);
pcf50605_write_multiple(0x0a, buf, sizeof(buf));
return 1;
}
/* set alarm time registers to the given time (repeat once per day) */
void rtc_set_alarm(int h, int m)
{
ALMMIN = DEC2BCD(m); /* minutes */
ALMHOUR = DEC2BCD(h); /* hour */
}