/**
* Stop the audio playback and recording
*
* @param a Audio object
*/
void audio_stop(struct audio *a)
{
if (!a)
return;
stop_tx(&a->tx, a);
stop_rx(&a->rx);
}
/**
@brief function for the @b stop method in a link_device instance
@param ld the pointer to a link_device instance
@remark It must be invoked after mc->state has already been changed to
not STATE_ONLINE.
*/
static void mem_close_tx(struct link_device *ld)
{
struct mem_link_device *mld = to_mem_link_device(ld);
unsigned long flags;
spin_lock_irqsave(&ld->lock, flags);
ld->state = LINK_STATE_OFFLINE;
spin_unlock_irqrestore(&ld->lock, flags);
stop_tx(mld);
}
void RadioSi446x::ptt_off()
{
stop_tx();
si446x_powerlevel = 0;
// turn off the blue LED (GPIO2)
char gpio_pin_cfg_command0[] = {0x13, 0x02, 0x02, 0x02, 0x02, 0x08, 0x0b, 0x00}; // Set all GPIOs LOW; Link NIRQ to CTS; Link SDO to MISO; Max drive strength
SendCmdReceiveAnswer(8, 1, gpio_pin_cfg_command0);
digitalWrite(RADIO_SDN_PIN, HIGH); // active high = shutdown
//digitalWrite(VCXO_ENABLE_PIN, LOW); //keep enabled for now
}
static void mem_close_tx(struct link_device *ld)
{
struct mem_link_device *mld = to_mem_link_device(ld);
struct modem_ctl *mc = ld->mc;
unsigned long flags;
spin_lock_irqsave(&ld->lock, flags);
ld->state = LINK_STATE_OFFLINE;
spin_unlock_irqrestore(&ld->lock, flags);
if (timer_pending(&mc->crash_ack_timer))
del_timer(&mc->crash_ack_timer);
stop_tx(mld);
purge_txq(mld);
}
void mem_handle_cp_crash(struct mem_link_device *mld, enum modem_state state)
{
struct link_device *ld = &mld->link_dev;
struct modem_ctl *mc = ld->mc;
#ifdef CONFIG_LINK_POWER_MANAGEMENT
if (mld->stop_pm)
mld->stop_pm(mld);
#endif
/* Disable normal IPC */
set_magic(mld, MEM_CRASH_MAGIC);
set_access(mld, 0);
stop_tx(mld);
purge_txq(mld);
if (cp_online(mc))
set_modem_state(mld, state);
atomic_set(&mc->forced_cp_crash, 0);
}
static void audio_destructor(void *arg)
{
struct audio *a = arg;
stop_tx(&a->tx, a);
stop_rx(&a->rx);
mem_deref(a->tx.enc);
mem_deref(a->rx.dec);
mem_deref(a->tx.aubuf);
mem_deref(a->tx.mb);
mem_deref(a->tx.sampv);
mem_deref(a->rx.sampv);
mem_deref(a->rx.aubuf);
mem_deref(a->tx.sampv_rs);
mem_deref(a->rx.sampv_rs);
list_flush(&a->tx.filtl);
list_flush(&a->rx.filtl);
mem_deref(a->strm);
mem_deref(a->telev);
}
