gap8/pmsis/drivers/rtc/rtc_internal.c File Reference

Data Structures
struct	pi_rtc_bcd_datetime_t

Macros
#define	PI_RTC_YEAR_RANGE_START
#define	PI_RTC_YEAR_RANGE_END
#define	PI_RTC_IFR_ALARM_FLAG
#define	PI_RTC_IFR_TIMER_FLAG
#define	PI_RTC_IFR_CAL_FLAG
#define	PI_RTC_CLK_DIV_DEFAULT

Functions
static int8_t	__pi_rtc_datetime_check (struct tm *time)
static void	__pi_rtc_apb_handler (void *arg)
static void	__pi_rtc_handler (void *arg)
static void	__pi_rtc_irq_type_handle (void *arg)
static void	__pi_rtc_apb_reg_wait (uint8_t rtc_id)
static uint32_t	__pi_rtc_apb_reg_read (uint8_t rtc_id, uint8_t addr)
static void	__pi_rtc_apb_reg_write (uint8_t rtc_id, uint8_t addr, uint32_t data)
static void	__pi_rtc_enable (uint8_t rtc_id)
static void	__pi_rtc_disable (uint8_t rtc_id)
static void	__pi_rtc_soft_reset (uint8_t rtc_id)
static void	__pi_rtc_clock_div_set (uint8_t rtc_id, uint16_t clk_div)
static void	__pi_rtc_calendar_start (uint8_t rtc_id)
static void	__pi_rtc_calendar_stop (uint8_t rtc_id)
static void	__pi_rtc_alarm_start (uint8_t rtc_id, pi_rtc_alarm_repeat_e mode)
static void	__pi_rtc_alarm_stop (uint8_t rtc_id)
static void	__pi_rtc_timer_start (uint8_t rtc_id, uint8_t repeat)
static void	__pi_rtc_timer_stop (uint8_t rtc_id)
static uint32_t	__pi_rtc_status_get (uint8_t rtc_id)
static void	__pi_rtc_irq_mask_set (uint8_t rtc_id, uint32_t mask)
static void	__pi_rtc_irq_mask_clear (uint8_t rtc_id, uint32_t mask)
static uint32_t	__pi_rtc_irq_flag_get (uint8_t rtc_id)
static void	__pi_rtc_irq_flag_clear (uint8_t rtc_id, uint32_t mask)
static void	__pi_rtc_datetime_to_bcd (struct tm *time, pi_rtc_bcd_datetime_t *datetime)
static void	__pi_rtc_bcd_to_datetime (pi_rtc_bcd_datetime_t *datetime, struct tm *time)
static uint32_t	__pi_rtc_irq_mask_get (uint8_t rtc_id)
static void	__pi_rtc_cb_attach (uint8_t rtc_id, uint32_t mask, pi_task_t *task)
void	__pi_rtc_conf_init (struct pi_rtc_conf *conf)
int32_t	__pi_rtc_open (uint8_t rtc_id, struct pi_rtc_conf *conf)
void	__pi_rtc_close (uint8_t rtc_id)
int32_t	__pi_rtc_datetime_set (uint8_t rtc_id, struct tm *time)
int32_t	__pi_rtc_datetime_get (uint8_t rtc_id, struct tm *time)
int32_t	__pi_rtc_alarm_set (uint8_t rtc_id, struct tm *alarm)
int32_t	__pi_rtc_alarm_get (uint8_t rtc_id, struct tm *alarm)
int32_t	__pi_rtc_timer_set (uint8_t rtc_id, uint32_t countdown)
uint32_t	__pi_rtc_timer_get (uint8_t rtc_id)
int32_t	__pi_rtc_ioctl (uint8_t rtc_id, uint32_t cmd, void *arg)

Variables
static pi_task_t	g_irq_task [3]
static volatile uint8_t	g_rtc_pending

Macro Definition Documentation

#define PI_RTC_CLK_DIV_DEFAULT

Referenced by __pi_rtc_open().

#define PI_RTC_IFR_ALARM_FLAG

Referenced by __pi_rtc_alarm_start(), __pi_rtc_cb_attach(), __pi_rtc_ioctl(), and __pi_rtc_irq_type_handle().

#define PI_RTC_IFR_CAL_FLAG

Referenced by __pi_rtc_cb_attach(), and __pi_rtc_irq_type_handle().

#define PI_RTC_IFR_TIMER_FLAG

Referenced by __pi_rtc_cb_attach(), __pi_rtc_ioctl(), __pi_rtc_irq_type_handle(), and __pi_rtc_timer_start().

#define PI_RTC_YEAR_RANGE_END

Referenced by __pi_rtc_datetime_check().

#define PI_RTC_YEAR_RANGE_START

Referenced by __pi_rtc_bcd_to_datetime(), __pi_rtc_datetime_check(), and __pi_rtc_datetime_to_bcd().

Function Documentation

int32_t __pi_rtc_alarm_get	(	uint8_t	rtc_id,
		struct tm *	alarm
	)

References __pi_rtc_apb_reg_read(), __pi_rtc_bcd_to_datetime(), ALARM1_DATE_OFFSET, ALARM1_TIME_OFFSET, pi_rtc_bcd_datetime_t::date, and pi_rtc_bcd_datetime_t::time.

Referenced by pi_rtc_alarm_get().

int32_t __pi_rtc_alarm_set	(	uint8_t	rtc_id,
		struct tm *	alarm
	)

References __pi_rtc_apb_reg_write(), __pi_rtc_datetime_check(), __pi_rtc_datetime_to_bcd(), ALARM1_DATE_OFFSET, ALARM1_TIME_OFFSET, pi_rtc_bcd_datetime_t::date, and pi_rtc_bcd_datetime_t::time.

Referenced by __pi_rtc_open(), and pi_rtc_alarm_set().

static void __pi_rtc_alarm_start ( uint8_t  rtc_id, pi_rtc_alarm_repeat_e  mode  )

static

Start alarm.

References __pi_rtc_apb_reg_write(), __pi_rtc_irq_flag_clear(), __pi_rtc_irq_mask_set(), ALARM_CONTROL_OFFSET, PI_RTC_IFR_ALARM_FLAG, Catch::Generators::repeat(), RTC_ALARM_CONTROL_CFG, RTC_ALARM_CONTROL_MODE, and RTC_ALARM_CONTROL_SB.

Referenced by __pi_rtc_ioctl().

static void __pi_rtc_alarm_stop ( uint8_t  rtc_id )

static

Stop alarm.

References __pi_rtc_apb_reg_write(), ALARM_CONTROL_OFFSET, and RTC_ALARM_CONTROL_SB.

Referenced by __pi_rtc_ioctl().

static void __pi_rtc_apb_handler ( void *  arg )

static

RTC_APB IRQ handler. Not used.

References g_rtc_pending.

Referenced by __pi_rtc_open().

static uint32_t __pi_rtc_apb_reg_read ( uint8_t  rtc_id, uint8_t  addr  )

static

Read from RTC internal registers.

References __pi_rtc_apb_reg_wait(), g_rtc_pending, hal_rtc_data_get(), hal_rtc_irq_flag_read_reset(), and hal_rtc_request_set().

Referenced by __pi_rtc_alarm_get(), __pi_rtc_datetime_get(), __pi_rtc_disable(), __pi_rtc_enable(), __pi_rtc_irq_flag_clear(), __pi_rtc_irq_flag_get(), __pi_rtc_irq_mask_clear(), __pi_rtc_irq_mask_get(), __pi_rtc_irq_mask_set(), __pi_rtc_soft_reset(), __pi_rtc_status_get(), and __pi_rtc_timer_get().

static void __pi_rtc_apb_reg_wait ( uint8_t  rtc_id )

static

Wait for APB IRQ. Used to read/write RTC internal registers.

References FC_SW_NOTIFY_EVENT, g_rtc_pending, and hal_eu_evt_mask_wait_and_clr().

Referenced by __pi_rtc_apb_reg_read(), and __pi_rtc_apb_reg_write().

static void __pi_rtc_apb_reg_write ( uint8_t  rtc_id, uint8_t  addr, uint32_t  data  )

static

Write to RTC internal regisers.

References __pi_rtc_apb_reg_wait(), g_rtc_pending, hal_rtc_data_set(), hal_rtc_irq_flag_write_reset(), and hal_rtc_request_set().

Referenced by __pi_rtc_alarm_set(), __pi_rtc_alarm_start(), __pi_rtc_alarm_stop(), __pi_rtc_calendar_start(), __pi_rtc_calendar_stop(), __pi_rtc_clock_div_set(), __pi_rtc_datetime_set(), __pi_rtc_disable(), __pi_rtc_enable(), __pi_rtc_irq_flag_clear(), __pi_rtc_irq_mask_clear(), __pi_rtc_irq_mask_set(), __pi_rtc_soft_reset(), __pi_rtc_timer_set(), __pi_rtc_timer_start(), and __pi_rtc_timer_stop().

static void __pi_rtc_bcd_to_datetime ( pi_rtc_bcd_datetime_t *  datetime, struct tm *  time  )

static

References pi_rtc_bcd_datetime_t::date, rtc_calendar_date_t::day0, rtc_calendar_date_t::day1, rtc_calendar_time_t::field, rtc_calendar_date_t::field, rtc_calendar_time_t::hou0, rtc_calendar_time_t::hou1, rtc_calendar_time_t::min0, rtc_calendar_time_t::min1, rtc_calendar_date_t::mon0, rtc_calendar_date_t::mon1, PI_RTC_YEAR_RANGE_START, rtc_calendar_time_t::sec0, rtc_calendar_time_t::sec1, pi_rtc_bcd_datetime_t::time, rtc_calendar_time_t::word, rtc_calendar_date_t::word, rtc_calendar_date_t::yea0, and rtc_calendar_date_t::yea1.

Referenced by __pi_rtc_alarm_get(), and __pi_rtc_datetime_get().

static void __pi_rtc_calendar_start ( uint8_t  rtc_id )

static

Start calendar.

References __pi_rtc_apb_reg_write(), CALENDAR_CONTROL_OFFSET, and RTC_CALENDAR_CONTROL_SB.

Referenced by __pi_rtc_ioctl().

static void __pi_rtc_calendar_stop ( uint8_t  rtc_id )

static

Stop calendar.

References __pi_rtc_apb_reg_write(), CALENDAR_CONTROL_OFFSET, and RTC_CALENDAR_CONTROL_SB.

Referenced by __pi_rtc_ioctl().

static void __pi_rtc_cb_attach ( uint8_t  rtc_id, uint32_t  mask, pi_task_t *  task  )

static

References memcpy(), PI_RTC_IFR_ALARM_FLAG, PI_RTC_IFR_CAL_FLAG, and PI_RTC_IFR_TIMER_FLAG.

Referenced by __pi_rtc_ioctl().

static void __pi_rtc_clock_div_set ( uint8_t  rtc_id, uint16_t  clk_div  )

static

Set up clock divider. Used when RTC should output a signal.

References __pi_rtc_apb_reg_write(), __pi_rtc_disable(), __pi_rtc_enable(), and CKIN_DIV1_OFFSET.

Referenced by __pi_rtc_open().

void __pi_rtc_close

(

uint8_t

rtc_id

)

References __pi_rtc_disable(), hal_soc_eu_clear_fc_mask(), pi_fc_event_handler_clear(), SOC_EVENT_RTC, and SOC_EVENT_RTC_APB.

Referenced by pi_rtc_close().

void __pi_rtc_conf_init

(

struct pi_rtc_conf *

conf

)

Referenced by pi_rtc_conf_init().

static int8_t __pi_rtc_datetime_check ( struct tm *  time )

static

References PI_RTC_YEAR_RANGE_END, PI_RTC_YEAR_RANGE_START, and printf.

Referenced by __pi_rtc_alarm_set(), and __pi_rtc_datetime_set().

int32_t __pi_rtc_datetime_get	(	uint8_t	rtc_id,
		struct tm *	time
	)

References __pi_rtc_apb_reg_read(), __pi_rtc_bcd_to_datetime(), CALENDAR_DATE_OFFSET, CALENDAR_TIME_OFFSET, pi_rtc_bcd_datetime_t::date, and pi_rtc_bcd_datetime_t::time.

Referenced by pi_rtc_datetime_get().

int32_t __pi_rtc_datetime_set	(	uint8_t	rtc_id,
		struct tm *	time
	)

References __pi_rtc_apb_reg_write(), __pi_rtc_datetime_check(), __pi_rtc_datetime_to_bcd(), CALENDAR_DATE_OFFSET, CALENDAR_TIME_OFFSET, pi_rtc_bcd_datetime_t::date, and pi_rtc_bcd_datetime_t::time.

Referenced by __pi_rtc_open(), and pi_rtc_datetime_set().

static void __pi_rtc_datetime_to_bcd ( struct tm *  time, pi_rtc_bcd_datetime_t *  datetime  )

static

References pi_rtc_bcd_datetime_t::date, rtc_calendar_date_t::day0, rtc_calendar_date_t::day1, rtc_calendar_time_t::field, rtc_calendar_date_t::field, rtc_calendar_time_t::hou0, rtc_calendar_time_t::hou1, rtc_calendar_time_t::min0, rtc_calendar_time_t::min1, rtc_calendar_date_t::mon0, rtc_calendar_date_t::mon1, PI_RTC_YEAR_RANGE_START, rtc_calendar_time_t::sec0, rtc_calendar_time_t::sec1, pi_rtc_bcd_datetime_t::time, rtc_calendar_time_t::word, rtc_calendar_date_t::word, rtc_calendar_date_t::yea0, and rtc_calendar_date_t::yea1.

Referenced by __pi_rtc_alarm_set(), and __pi_rtc_datetime_set().

static void __pi_rtc_disable ( uint8_t  rtc_id )

static

Enable RTC standby mode.

References __pi_rtc_apb_reg_read(), __pi_rtc_apb_reg_write(), RTC_CR_OFFSET, and RTC_RTC_CR_SB.

Referenced by __pi_rtc_clock_div_set(), and __pi_rtc_close().

static void __pi_rtc_enable ( uint8_t  rtc_id )

static

Disable RTC standby mode.

References __pi_rtc_apb_reg_read(), __pi_rtc_apb_reg_write(), RTC_CR_OFFSET, and RTC_RTC_CR_SB_MASK.

Referenced by __pi_rtc_clock_div_set().

static void __pi_rtc_handler ( void *  arg )

static

RTC IRQ handler. IRQ triggered when alarm/timer/calibration ends.

References __pi_rtc_irq_type_handle(), pi_l2_malloc(), pi_task_callback(), pmsis_event_get_default_scheduler(), pmsis_event_push(), and printf.

Referenced by __pi_rtc_open().

int32_t __pi_rtc_ioctl	(	uint8_t	rtc_id,
		uint32_t	cmd,
		void *	arg
	)

References __pi_rtc_alarm_start(), __pi_rtc_alarm_stop(), __pi_rtc_calendar_start(), __pi_rtc_calendar_stop(), __pi_rtc_cb_attach(), __pi_rtc_timer_start(), __pi_rtc_timer_stop(), PI_RTC_IFR_ALARM_FLAG, PI_RTC_IFR_TIMER_FLAG, and Catch::Generators::repeat().

Referenced by pi_rtc_ioctl().

static void __pi_rtc_irq_flag_clear ( uint8_t  rtc_id, uint32_t  mask  )

static

Acknowledge received IRQ, need to be cleared to get other IRQ. Clear IRQ flags. IRQ flags need to be cleared before in order to receive next ones.

References __pi_rtc_apb_reg_read(), __pi_rtc_apb_reg_write(), and RTC_IFR_OFFSET.

Referenced by __pi_rtc_alarm_start(), __pi_rtc_irq_type_handle(), and __pi_rtc_timer_start().

static uint32_t __pi_rtc_irq_flag_get ( uint8_t  rtc_id )

static

Read IRQ flags.

References __pi_rtc_apb_reg_read(), and RTC_IFR_OFFSET.

Referenced by __pi_rtc_irq_type_handle().

static void __pi_rtc_irq_mask_clear ( uint8_t  rtc_id, uint32_t  mask  )

static

Disable IRQ for alarm/timer/calibration.

References __pi_rtc_apb_reg_read(), __pi_rtc_apb_reg_write(), and RTC_IMR_OFFSET.

static uint32_t __pi_rtc_irq_mask_get ( uint8_t  rtc_id )

static

References __pi_rtc_apb_reg_read(), and RTC_IMR_OFFSET.

static void __pi_rtc_irq_mask_set ( uint8_t  rtc_id, uint32_t  mask  )

static

Enable IRQ for alarm/timer/calibration.

References __pi_rtc_apb_reg_read(), __pi_rtc_apb_reg_write(), and RTC_IMR_OFFSET.

Referenced by __pi_rtc_alarm_start(), and __pi_rtc_timer_start().

static void __pi_rtc_irq_type_handle ( void *  arg )

static

Function called by the handler to clear IRQ flags.

References __pi_rtc_irq_flag_clear(), __pi_rtc_irq_flag_get(), pi_l2_free(), PI_RTC_IFR_ALARM_FLAG, PI_RTC_IFR_CAL_FLAG, and PI_RTC_IFR_TIMER_FLAG.

Referenced by __pi_rtc_handler().

int32_t __pi_rtc_open	(	uint8_t	rtc_id,
		struct pi_rtc_conf *	conf
	)

References __pi_rtc_alarm_set(), __pi_rtc_apb_handler(), __pi_rtc_clock_div_set(), __pi_rtc_datetime_set(), __pi_rtc_handler(), __pi_rtc_soft_reset(), __pi_rtc_timer_set(), hal_soc_eu_set_fc_mask(), pi_fc_event_handler_set(), PI_RTC_CLK_DIV_DEFAULT, SOC_EVENT_RTC, and SOC_EVENT_RTC_APB.

Referenced by pi_rtc_open().

static void __pi_rtc_soft_reset ( uint8_t  rtc_id )

static

Reset RTC device after configs.

References __pi_rtc_apb_reg_read(), __pi_rtc_apb_reg_write(), RTC_CR_OFFSET, and RTC_RTC_CR_SOFT_RST.

Referenced by __pi_rtc_open().

static uint32_t __pi_rtc_status_get ( uint8_t  rtc_id )

static

Read RTC IRQ status.

References __pi_rtc_apb_reg_read(), and RTC_SR_OFFSET.

uint32_t __pi_rtc_timer_get

(

uint8_t

rtc_id

)

References __pi_rtc_apb_reg_read(), and COUNTDOWN1_TIMER_OFFSET.

Referenced by pi_rtc_timer_get().

int32_t __pi_rtc_timer_set	(	uint8_t	rtc_id,
		uint32_t	countdown
	)

References __pi_rtc_apb_reg_write(), and COUNTDOWN1_INIT_OFFSET.

Referenced by __pi_rtc_open(), and pi_rtc_timer_set().

static void __pi_rtc_timer_start ( uint8_t  rtc_id, uint8_t  repeat  )

static

Start timer.

References __pi_rtc_apb_reg_write(), __pi_rtc_irq_flag_clear(), __pi_rtc_irq_mask_set(), COUNTDOWN_CONTROL_OFFSET, PI_RTC_IFR_TIMER_FLAG, RTC_COUNTDOWN_CONTROL_MODE, and RTC_COUNTDOWN_CONTROL_SB.

Referenced by __pi_rtc_ioctl().

static void __pi_rtc_timer_stop ( uint8_t  rtc_id )

static

Stop timer.

References __pi_rtc_apb_reg_write(), COUNTDOWN_CONTROL_OFFSET, and RTC_COUNTDOWN_CONTROL_SB.

Referenced by __pi_rtc_ioctl().

Variable Documentation

pi_task_t g_irq_task[3]

static

volatile uint8_t g_rtc_pending

static

Referenced by __pi_rtc_apb_handler(), __pi_rtc_apb_reg_read(), __pi_rtc_apb_reg_wait(), and __pi_rtc_apb_reg_write().