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rtc_read() now sends a stop condition. This hopefully fixes the stopping clock updates.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1539 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-08-06 06:21:53 +00:00
parent 93c1b40b8d
commit 047174872a
1 changed files with 11 additions and 1 deletions
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12
firmware/drivers/rtc.c
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@ -25,6 +25,14 @@
#define RTC_DEV_WRITE (RTC_ADR | 0x00) #define RTC_DEV_WRITE (RTC_ADR | 0x00)
#define RTC_DEV_READ (RTC_ADR | 0x01) #define RTC_DEV_READ (RTC_ADR | 0x01)
void rtc_init(void)
{
unsigned char data;
data = (unsigned int)rtc_read(0x0c);
data &= 0xbf;
rtc_write(0x0c,data);
}
int rtc_write(unsigned char address, unsigned char value) int rtc_write(unsigned char address, unsigned char value)
{ {
int ret = 0; int ret = 0;
@ -55,7 +63,7 @@ int rtc_read(unsigned char address)
buf[0] = address; buf[0] = address;
/* send run command */ /* send read command */
if (i2c_write(RTC_DEV_READ,buf,1) >= 0) if (i2c_write(RTC_DEV_READ,buf,1) >= 0)
{ {
i2c_start(); i2c_start();
@ -66,6 +74,8 @@ int rtc_read(unsigned char address)
} }
} }
i2c_stop();
i2c_end(); i2c_end();
return value; return value;
} }