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Renamed control register constants.

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Set time->ticks to 0.

Added function table.
This commit is contained in:
Joel Sherrill
1998-07-29 00:03:07 +00:00
parent 1177cda0d3
commit cb5e6f681d
2 changed files with 48 additions and 22 deletions
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c/src/lib/libchip/rtc/m48t08.c
+24 -11
View File
@@ -32,9 +32,9 @@
* Control register bits
*/
#define MK48T08_CONTROL_WRITE 0x80
#define MK48T08_CONTROL_READ 0x40
#define MK48T08_CONTROL_SIGN 0x20
#define M48T08_CONTROL_WRITE 0x80
#define M48T08_CONTROL_READ 0x40
#define M48T08_CONTROL_SIGN 0x20
/*
* m48t08_initialize
@@ -65,16 +65,16 @@ int m48t08_get_time(
unsigned32 value1;
unsigned32 value2;
m48t08 = RTC_Port_Tbl[ minor ].ulCtrlPort1;
getReg = RTC_Port_Tbl[ minor ].getRegister;
setReg = RTC_Port_Tbl[ minor ].setRegister;
m48t08 = RTC_Table[ minor ].ulCtrlPort1;
getReg = RTC_Table[ minor ].getRegister;
setReg = RTC_Table[ minor ].setRegister;
/*
* Put the RTC into read mode
*/
controlReg = (*getReg)( m48t08, M48T08_CONTROL );
(*setReg)( m48t08, M48T08_CONTROL, controlReg | MK48T08_CONTROL_READ );
(*setReg)( m48t08, M48T08_CONTROL, controlReg | M48T08_CONTROL_READ );
value1 = (*getReg)( m48t08, M48T08_YEAR );
value2 = From_BCD( value1 );
@@ -98,6 +98,8 @@ int m48t08_get_time(
value1 = (*getReg)( m48t08, M48T08_SECOND );
time->second = From_BCD( value1 );
time->ticks = 0;
/*
* Put the RTC back into normal mode.
*/
@@ -121,16 +123,16 @@ int m48t08_set_time(
setRegister_f setReg;
unsigned8 controlReg;
m48t08 = RTC_Port_Tbl[ minor ].ulCtrlPort1;
getReg = RTC_Port_Tbl[ minor ].getRegister;
setReg = RTC_Port_Tbl[ minor ].setRegister;
m48t08 = RTC_Table[ minor ].ulCtrlPort1;
getReg = RTC_Table[ minor ].getRegister;
setReg = RTC_Table[ minor ].setRegister;
/*
* Put the RTC into read mode
*/
controlReg = (*getReg)( m48t08, M48T08_CONTROL );
(*setReg)( m48t08, M48T08_CONTROL, controlReg | MK48T08_CONTROL_WRITE );
(*setReg)( m48t08, M48T08_CONTROL, controlReg | M48T08_CONTROL_WRITE );
if ( time->year >= 2088 )
rtems_fatal_error_occurred( RTEMS_INVALID_NUMBER );
@@ -150,3 +152,14 @@ int m48t08_set_time(
return 0;
}
/*
* Driver function table
*/
rtc_fns m48t08_fns = {
m48t08_initialize,
m48t08_get_time,
m48t08_set_time
};
c/src/libchip/rtc/m48t08.c
+24 -11
View File
@@ -32,9 +32,9 @@
* Control register bits
*/
#define MK48T08_CONTROL_WRITE 0x80
#define MK48T08_CONTROL_READ 0x40
#define MK48T08_CONTROL_SIGN 0x20
#define M48T08_CONTROL_WRITE 0x80
#define M48T08_CONTROL_READ 0x40
#define M48T08_CONTROL_SIGN 0x20
/*
* m48t08_initialize
@@ -65,16 +65,16 @@ int m48t08_get_time(
unsigned32 value1;
unsigned32 value2;
m48t08 = RTC_Port_Tbl[ minor ].ulCtrlPort1;
getReg = RTC_Port_Tbl[ minor ].getRegister;
setReg = RTC_Port_Tbl[ minor ].setRegister;
m48t08 = RTC_Table[ minor ].ulCtrlPort1;
getReg = RTC_Table[ minor ].getRegister;
setReg = RTC_Table[ minor ].setRegister;
/*
* Put the RTC into read mode
*/
controlReg = (*getReg)( m48t08, M48T08_CONTROL );
(*setReg)( m48t08, M48T08_CONTROL, controlReg | MK48T08_CONTROL_READ );
(*setReg)( m48t08, M48T08_CONTROL, controlReg | M48T08_CONTROL_READ );
value1 = (*getReg)( m48t08, M48T08_YEAR );
value2 = From_BCD( value1 );
@@ -98,6 +98,8 @@ int m48t08_get_time(
value1 = (*getReg)( m48t08, M48T08_SECOND );
time->second = From_BCD( value1 );
time->ticks = 0;
/*
* Put the RTC back into normal mode.
*/
@@ -121,16 +123,16 @@ int m48t08_set_time(
setRegister_f setReg;
unsigned8 controlReg;
m48t08 = RTC_Port_Tbl[ minor ].ulCtrlPort1;
getReg = RTC_Port_Tbl[ minor ].getRegister;
setReg = RTC_Port_Tbl[ minor ].setRegister;
m48t08 = RTC_Table[ minor ].ulCtrlPort1;
getReg = RTC_Table[ minor ].getRegister;
setReg = RTC_Table[ minor ].setRegister;
/*
* Put the RTC into read mode
*/
controlReg = (*getReg)( m48t08, M48T08_CONTROL );
(*setReg)( m48t08, M48T08_CONTROL, controlReg | MK48T08_CONTROL_WRITE );
(*setReg)( m48t08, M48T08_CONTROL, controlReg | M48T08_CONTROL_WRITE );
if ( time->year >= 2088 )
rtems_fatal_error_occurred( RTEMS_INVALID_NUMBER );
@@ -150,3 +152,14 @@ int m48t08_set_time(
return 0;
}
/*
* Driver function table
*/
rtc_fns m48t08_fns = {
m48t08_initialize,
m48t08_get_time,
m48t08_set_time
};