/**
****************************************************************************************
* @brief Sets the BLE wake-up delay.
*
* @return void
****************************************************************************************
*/
void set_sleep_delay(void)
{
int16_t delay;
uint32_t sleep_delay;
delay = 0;
if (lp_clk_sel == LP_CLK_RCX20)
{
if (rcx_period > (RCX_PERIOD_MAX << 10) )
ASSERT_ERROR(0);
sleep_delay = SLP_PROC_TIME + SLEEP_PROC_TIME + (4 * RCX_PERIOD_MAX); // 400
}
else // if (lp_clk_sel == LP_CLK_XTAL32)
{
sleep_delay = /*SLP_PROC_TIME + SLEEP_PROC_TIME + */(4 * XTAL32_PERIOD_MAX); // ~200
}
// Actual "delay" is application specific and is the execution time of the BLE_WAKEUP_LP_Handler(), which depends on XTAL trimming delay.
// In case of OTP copy, this is done while the XTAL is settling. Time unit of delay is usec.
delay += XTAL_TRIMMING_TIME_USEC;
// Icrease time taking into account the time from the setting of DEEP_SLEEP_ON until the assertion of DEEP_SLEEP_STAT.
delay += sleep_delay;
// Add any application specific delay
delay += APP_SLEEP_DELAY_OFFSET;
rwip_wakeup_delay_set(delay);
}
/**
****************************************************************************************
* @brief Sets the BLE wake-up delay.
*
* @return void
****************************************************************************************
*/
void set_sleep_delay(void)
{
int16_t delay;
#ifndef USE_POWER_OPTIMIZATIONS
uint32_t sleep_delay;
delay = 0;
if ( ((lp_clk_sel == LP_CLK_RCX20) && (CFG_LP_CLK == LP_CLK_FROM_OTP)) || (CFG_LP_CLK == LP_CLK_RCX20) )
{
if (rcx_period > (RCX_PERIOD_MAX << 10) )
ASSERT_ERROR(0);
sleep_delay = SLP_PROC_TIME + SLEEP_PROC_TIME + (4 * RCX_PERIOD_MAX); // 400
//#ifdef USE_POWER_OPTIMIZATIONS
// delay += RCX_CORRECTION_TIME * RCX_PERIOD_MAX;
//#endif
}
else // if (lp_clk_sel == LP_CLK_XTAL32)
{
sleep_delay = /*SLP_PROC_TIME + SLEEP_PROC_TIME + */(4 * XTAL32_PERIOD_MAX); // ~200
}
// Actual "delay" is application specific and is the execution time of the BLE_WAKEUP_LP_Handler(), which depends on XTAL trimming delay.
// In case of OTP copy, this is done while the XTAL is settling. Time unit of delay is usec.
delay += XTAL_TRIMMING_TIME_USEC;
// Icrease time taking into account the time from the setting of DEEP_SLEEP_ON until the assertion of DEEP_SLEEP_STAT.
delay += sleep_delay;
// Add any application specific delay
delay += APP_SLEEP_DELAY_OFFSET;
#else // USE_POWER_OPTIMIZATIONS
delay = MINIMUM_SLEEP_DURATION;
// if XTAL_TRIMMING_TIME_USEC changes (i.e. gets larger) then this
// will make sure that the user gets notified to increase "delay" by 1 or more
// slots so there's enough time for XTAL to settle
# if ( (3125 + (MINIMUM_SLEEP_DURATION + 625)) < (LP_ISR_TIME_USEC + 1100)) //1.1ms max power-up time
# error "Minimum sleep duration is too small for the 16MHz crystal used..."
# endif
#endif // USE_POWER_OPTIMIZATIONS
rwip_wakeup_delay_set(delay);
}
void lld_sleep_init_func(void)
{
uint16_t delay;
uint32_t twirq_set_value;
if (lp_clk_sel == LP_CLK_RCX20)
twirq_set_value = XTAL_TRIMMING_TIME_RCX;
else // if (lp_clk_sel == LP_CLK_XTAL32)
twirq_set_value = XTAL_TRIMMING_TIME;
// Clear the environment
memset(&lld_sleep_env, 0, sizeof(lld_sleep_env));
// Actual "delay" is application specific and is the execution time of the BLE_WAKEUP_LP_Handler(), which depends on XTAL trimming delay,
// plus the time taken for the OTP copy. Time unit of delay is usec.
delay = lld_sleep_lpcycles_2_us_func(twirq_set_value);
// Icrease time taking in to account the time from the setting of BLE_DEEP_SLEEP_ON_BIT until the execution of WFI.
delay += 200;
rwip_wakeup_delay_set(delay);
// Enable external wake-up by default
ble_extwkupdsb_setf(0);
}
