driver_pcf8563_timer.c

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#include "driver_pcf8563_timer.h"
 
static pcf8563_handle_t gs_handle;       
static int8_t gs_time_zone = 0;          

uint8_t pcf8563_timer_irq_handler(void)
{
    if (pcf8563_irq_handler(&gs_handle) != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t pcf8563_timer_init(void (*callback)(uint8_t type))
{
    uint8_t res;
 
    /* link functions */
    DRIVER_PCF8563_LINK_INIT(&gs_handle, pcf8563_handle_t);
    DRIVER_PCF8563_LINK_IIC_INIT(&gs_handle, pcf8563_interface_iic_init);
    DRIVER_PCF8563_LINK_IIC_DEINIT(&gs_handle, pcf8563_interface_iic_deinit);
    DRIVER_PCF8563_LINK_IIC_READ(&gs_handle, pcf8563_interface_iic_read);
    DRIVER_PCF8563_LINK_IIC_WRITE(&gs_handle, pcf8563_interface_iic_write);
    DRIVER_PCF8563_LINK_DELAY_MS(&gs_handle, pcf8563_interface_delay_ms);
    DRIVER_PCF8563_LINK_DEBUG_PRINT(&gs_handle, pcf8563_interface_debug_print);
    DRIVER_PCF8563_LINK_RECEIVE_CALLBACK(&gs_handle, callback);
 
    /* init pcf8563 */
    res = pcf8563_init(&gs_handle);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: init failed.\n");
 
        return 1;
    }
 
    /* disable rtc stop */
    res = pcf8563_set_rtc_stop(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set rtc stop failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable test mode */
    res = pcf8563_set_test_mode(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set test mode failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable power on reset */
    res = pcf8563_set_power_on_reset(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set power on reset failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable timer */
    res = pcf8563_set_timer_enable(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set timer enable failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable minute alarm */
    res = pcf8563_set_minute_alarm_enable(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set minute alarm enable failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable hour alarm */
    res = pcf8563_set_hour_alarm_enable(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set hour alarm enable failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable day alarm */
    res = pcf8563_set_day_alarm_enable(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set day alarm enable failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable week alarm */
    res = pcf8563_set_week_alarm_enable(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set week alarm enable failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable timer interrupt */
    res = pcf8563_set_timer_interrupt(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set timer interrupt failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable alarm interrupt */
    res = pcf8563_set_alarm_interrupt(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set alarm interrupt failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable clock out */
    res = pcf8563_set_clock_out_enable(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set clock out enable failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t pcf8563_timer_deinit(void)
{
    if (pcf8563_deinit(&gs_handle) != 0)
    {
        return 1;
    }
 
    return 0;
}

uint8_t pcf8563_timer_set_time(pcf8563_time_t *t)
{
    /* set time */
    if (pcf8563_set_time(&gs_handle, t) != 0)
    {
        return 1;
    }
 
    return 0;
}

uint8_t pcf8563_timer_set_timestamp(time_t timestamp)
{
    pcf8563_time_t t;
    struct tm *timeptr;
 
    /* convert times */
    timestamp += (time_t)(gs_time_zone * 3600);
    timeptr = localtime(&timestamp);
    t.date = (uint8_t)timeptr->tm_mday;
    t.hour = (uint8_t)timeptr->tm_hour;
    t.minute = (uint8_t)timeptr->tm_min;
    t.month = (uint8_t)timeptr->tm_mon + 1;
    t.second = (uint8_t)timeptr->tm_sec;
    t.week = (uint8_t)timeptr->tm_wday;
    t.year = (uint16_t)(timeptr->tm_year + 1900);
 
    /* set time */
    if (pcf8563_set_time(&gs_handle, &t) != 0)
    {
        return 1;
    }
 
    return 0;
}

uint8_t pcf8563_timer_set_timestamp_time_zone(int8_t zone)
{
    gs_time_zone = zone;
 
    return 0;
}

uint8_t pcf8563_timer_get_time(pcf8563_time_t *t)
{
    /* get time */
    if (pcf8563_get_time(&gs_handle, t) != 0)
    {
        return 1;
    }
 
    return 0;
}

uint8_t pcf8563_timer_get_timestamp(time_t *timestamp)
{
    pcf8563_time_t t;
    struct tm timeptr;
 
    /* get time */
    if (pcf8563_get_time(&gs_handle, &t) != 0)
    {
        return 1;
    }
    timeptr.tm_year = t.year - 1900;
    timeptr.tm_mon = t.month - 1;
    timeptr.tm_wday = t.week;
    timeptr.tm_mday = t.date;
    timeptr.tm_hour = t.hour;
    timeptr.tm_min = t.minute;
    timeptr.tm_sec = t.second;
 
    /* make time */
    *timestamp = mktime(&timeptr) - gs_time_zone * 3600;
 
    return 0;
}

uint8_t pcf8563_timer_get_timestamp_time_zone(int8_t *zone)
{
    *zone = gs_time_zone;
 
    return 0;
}

uint8_t pcf8563_timer_get_ascii_time(char *buf, uint8_t len)
{
    pcf8563_time_t t;
 
    /* get time */
    if (pcf8563_get_time(&gs_handle, &t) != 0)
    {
        return 1;
    }
    
    (void)snprintf(buf, len, "%04d-%02d-%02d %02d:%02d:%02d %d.\n", t.year, t.month, t.date, t.hour, t.minute, t.second, t.week);
 
    return 0;
}

uint8_t pcf8563_timer_enable(pcf8563_timer_freq_t freq, uint8_t value, pcf8563_interrupt_mode_t mode)
{
    uint8_t res;
    
    /* set timer freq */
    res = pcf8563_set_timer_freq(&gs_handle, freq);
    if (res != 0)
    {
        return 1;
    }
    
    /* set timer value */
    res = pcf8563_set_timer_value(&gs_handle, value);
    if (res != 0)
    {
        return 1;
    }
    
    /* clear status */
    res = pcf8563_clear_status(&gs_handle, PCF8563_INTERRUPT_EVENT_TIMER);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: clear status failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* enable timer interrupt */
    res = pcf8563_set_timer_interrupt(&gs_handle, PCF8563_BOOL_TRUE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set timer interrupt failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* enable timer */
    res = pcf8563_set_timer_enable(&gs_handle, PCF8563_BOOL_TRUE);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t pcf8563_timer_disable(void)
{
    uint8_t res;
    
    /* disable timer interrupt */
    res = pcf8563_set_timer_interrupt(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        pcf8563_interface_debug_print("pcf8563: set timer interrupt failed.\n");
        (void)pcf8563_deinit(&gs_handle);
        
        return 1;
    }
    
    /* disable timer */
    res = pcf8563_set_timer_enable(&gs_handle, PCF8563_BOOL_FALSE);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}