#include <libchip/rtc.h>
#include <assert.h>
#include <rtems/score/todimpl.h>
#include <rtems/rtems/clockimpl.h>
#include <sys/filio.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <bsp/i2cdrv.h>

Data Structures
struct	ds1339_time_t

struct	m41st87_time_t

Macros
#define	ALTERA_CYCLONE_V_RTC_NUMBER 2

#define	DS1339_I2C_ADDRESS (0xD0 >> 1) /* 7-bit addressing! */

#define	DS1339_I2C_BUS_DEVICE "/dev/i2c0"

#define	DS1339_ADDR_TIME 0x00

#define	DS1339_ADDR_CTRL 0x0E

#define	DS1339_CTRL_EOSC 0x80

#define	DS1339_CTRL_BBSQI 0x20

#define	DS1339_CTRL_RS2 0x10

#define	DS1339_CTRL_RS1 0x08

#define	DS1339_CTRL_INTCN 0x04

#define	DS1339_CTRL_A2IE 0x02

#define	DS1339_CTRL_A1IE 0x01

#define	DS1339_CTRL_DEFAULT (0x00)

#define	DS1339_ADDR_STATUS 0x0F

#define	DS1339_STATUS_OSF 0x80

#define	DS1339_STATUS_A2F 0x02

#define	DS1339_STATUS_A1F 0x01

#define	DS1339_STATUS_CLEAR (0x00)

#define	DS1339_ADDR_TRICKLE_CHARGE 0x10

#define	DS1339_HOURS_12_24_FLAG 0x40

#define	DS1339_HOURS_AM_PM_FLAG_OR_20_HOURS 0x20

#define	DS1339_HOURS_10_HOURS 0x10

#define	DS1339_MONTH_CENTURY 0x80

#define	DS1339_MAX_WRITE_SIZE (sizeof(ds1339_time_t) + 1)

#define	M41ST87_I2C_ADDRESS (0xD0 >> 1) /* 7-bit addressing! */

#define	M41ST87_I2C_BUS_DEVICE "/dev/i2c0"

#define	M41ST87_ADDR_TIME 0x00

#define	M41ST87_ADDR_CTRL 0x08

#define	M41ST87_CTRL_OUT 0x80

#define	M41ST87_CTRL_FT 0x40

#define	M41ST87_CTRL_S 0x20

#define	M41ST87_CTRL_CAL 0x1F

#define	M41ST87_ADDR_ALARM_HOUR 0x0C

#define	M41ST87_BIT_HT 0x40

#define	M41ST87_ADDR_FLAGS 0x0F

#define	M41ST87_FLAG_WDF 0x80

#define	M41ST87_FLAG_AF 0x40

#define	M41ST87_FLAG_BL 0x10

#define	M41ST87_FLAG_OF 0x04

#define	M41ST87_FLAG_TB1 0x02

#define	M41ST87_FLAG_TB2 0x01

#define	M41ST87_ADDR_USER_RAM 0x20

#define	M41ST87_BIT_ST 0x80

#define	M41ST87_BIT_OFIE 0x80

#define	M41ST87_BIT_CB1 0x80

#define	M41ST87_BIT_CB0 0x40

#define	M41ST87_BIT_TR 0x80

#define	M41ST87_BIT_THS 0x40

#define	M41ST87_BIT_CLRPW1 0x20

#define	M41ST87_BIT_CLRPW0 0x10

#define	M41ST87_BIT_32KE 0x08

#define	M41ST87_BIT_PFOD 0x80

#define	M41ST87_MAX_WRITE_SIZE (sizeof(m41st87_time_t) + 1)

Variables
const rtc_fns	altera_cyclone_v_ds1339_ops

const rtc_fns	altera_cyclone_v_m41st87_ops

size_t	RTC_Count = ALTERA_CYCLONE_V_RTC_NUMBER

rtc_tbl	RTC_Table [ALTERA_CYCLONE_V_RTC_NUMBER]

Variable Documentation

◆ altera_cyclone_v_ds1339_ops

const rtc_fns altera_cyclone_v_ds1339_ops

Initial value:

=
{
  .deviceInitialize = altera_cyclone_v_ds1339_initialize,
  .deviceGetTime = altera_cyclone_v_ds1339_get_time,
  .deviceSetTime = altera_cyclone_v_ds1339_set_time
}

◆ altera_cyclone_v_m41st87_ops

const rtc_fns altera_cyclone_v_m41st87_ops

Initial value:

=
{
  .deviceInitialize = altera_cyclone_v_m41st87_initialize,
  .deviceGetTime = altera_cyclone_v_m41st87_get_time,
  .deviceSetTime = altera_cyclone_v_m41st87_set_time
}

◆ RTC_Table

rtc_tbl RTC_Table[ALTERA_CYCLONE_V_RTC_NUMBER]

Initial value:

=
{
  {
    .sDeviceName = "/dev/rtc",
    .deviceType = RTC_CUSTOM,
    .pDeviceFns = &altera_cyclone_v_ds1339_ops,
    .deviceProbe = altera_cyclone_v_ds1339_probe,
    .pDeviceParams = NULL,
    .ulCtrlPort1 = 0,
    .ulDataPort = 0,
    .getRegister = NULL,
    .setRegister = NULL
  },
  {
    .sDeviceName = "/dev/rtc",
    .deviceType = RTC_CUSTOM,
    .pDeviceFns = &altera_cyclone_v_m41st87_ops,
    .deviceProbe = altera_cyclone_v_m41st87_probe,
    .pDeviceParams = NULL,
    .ulCtrlPort1 = 0,
    .ulDataPort = 0,
    .getRegister = NULL,
    .setRegister = NULL
  }
}

Data Structures

Macros

Variables

Variable Documentation

◆ altera_cyclone_v_ds1339_ops

◆ altera_cyclone_v_m41st87_ops

◆ RTC_Table