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RTC s35380a - fix initialization.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28711 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Marcin Bukat 2010-11-29 23:33:46 +00:00
parent 9929512682
commit d2ebc534ea
1 changed files with 15 additions and 9 deletions
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24
firmware/drivers/rtc/rtc_s35380a.c
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@ -40,15 +40,17 @@
#define CLOCK_CORR_REG 6 #define CLOCK_CORR_REG 6
#define FREE_REG 7 #define FREE_REG 7
/* STATUS_REG1 flags */ /* STATUS_REG1 flags
#define STATUS_REG1_POC 0x80 * bits order is reversed
#define STATUS_REG1_BLD 0x40 */
#define STATUS_REG1_INT2 0x20 #define STATUS_REG1_POC 0x01
#define STATUS_REG1_INT1 0x10 #define STATUS_REG1_BLD 0x02
#define STATUS_REG1_SC1 0x08 #define STATUS_REG1_INT2 0x04
#define STATUS_REG1_SC0 0x04 #define STATUS_REG1_INT1 0x08
#define STATUS_REG1_H1224 0x02 #define STATUS_REG1_SC1 0x10
#define STATUS_REG1_RESET 0x01 #define STATUS_REG1_SC0 0x20
#define STATUS_REG1_H1224 0x40
#define STATUS_REG1_RESET 0x80
static void reverse_bits(unsigned char* v, int size) static void reverse_bits(unsigned char* v, int size)
@ -76,6 +78,10 @@ void rtc_init(void)
status_reg |= STATUS_REG1_RESET; status_reg |= STATUS_REG1_RESET;
i2c_write(I2C_IFACE_1, RTC_ADDR | (STATUS_REG1<<1), &status_reg, 1); i2c_write(I2C_IFACE_1, RTC_ADDR | (STATUS_REG1<<1), &status_reg, 1);
} }
/* setup 24h time format */
status_reg = STATUS_REG1_H1224;
i2c_write(I2C_IFACE_1, RTC_ADDR | (STATUS_REG1<<1), &status_reg, 1);
} }
int rtc_read_datetime(struct tm *tm) int rtc_read_datetime(struct tm *tm)