static int handle_usb_events(void)
{
#if (CONFIG_STORAGE & STORAGE_MMC)
int next_update=0;
#endif /* STORAGE_MMC */
/* Don't return until we get SYS_USB_DISCONNECTED or SYS_TIMEOUT */
while(1)
{
int button;
#ifdef USB_ENABLE_HID
if (usb_hid)
{
button = get_hid_usb_action();
/* On mode change, we need to refresh the screen */
if (button == ACTION_USB_HID_MODE_SWITCH_NEXT ||
button == ACTION_USB_HID_MODE_SWITCH_PREV)
{
break;
}
}
else
#endif
{
button = button_get_w_tmo(HZ/2);
/* hid emits the event in get_action */
send_event(GUI_EVENT_ACTIONUPDATE, NULL);
}
switch(button)
{
case SYS_USB_DISCONNECTED:
usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
return 1;
case SYS_CHARGER_DISCONNECTED:
/*reset rockbox battery runtime*/
global_status.runtime = 0;
break;
case SYS_TIMEOUT:
break;
}
#if (CONFIG_STORAGE & STORAGE_MMC) /* USB-MMC bridge can report activity */
if(TIME_AFTER(current_tick,next_update))
{
if(usb_inserted()) {
led(mmc_usb_active(HZ));
}
next_update=current_tick+HZ/2;
}
#endif /* STORAGE_MMC */
}
return 0;
}
/*
* Monitor the presence of a charger and perform critical frequent steps
* such as running the battery voltage filter.
*/
static inline void power_thread_step(void)
{
/* If the power off timeout expires, the main thread has failed
to shut down the system, and we need to force a power off */
if (shutdown_timeout) {
shutdown_timeout -= POWER_THREAD_STEP_TICKS;
if (shutdown_timeout <= 0)
power_off();
}
#ifdef HAVE_RTC_ALARM
power_thread_rtc_process();
#endif
/*
* Do a digital exponential filter. We don't sample the battery if
* the disk is spinning unless we are in USB mode (the disk will most
* likely always be spinning in USB mode) or charging.
*/
if (!storage_disk_is_active() || usb_inserted()
#if CONFIG_CHARGING >= CHARGING_MONITOR
|| charger_input_state == CHARGER
#endif
) {
avgbat += battery_adc_voltage() - avgbat / BATT_AVE_SAMPLES;
/*
* battery_millivolts is the millivolt-scaled filtered battery value.
*/
battery_millivolts = avgbat / BATT_AVE_SAMPLES;
/* update battery status every time an update is available */
battery_status_update();
}
else if (battery_percent < 8) {
/*
* If battery is low, observe voltage during disk activity.
* Shut down if voltage drops below shutoff level and we are not
* using NiMH or Alkaline batteries.
*/
battery_millivolts = (battery_adc_voltage() +
battery_millivolts + 1) / 2;
/* update battery status every time an update is available */
battery_status_update();
if (!shutdown_timeout && query_force_shutdown()) {
sys_poweroff();
}
else {
avgbat += battery_millivolts - avgbat / BATT_AVE_SAMPLES;
}
}
} /* power_thread_step */
void gui_statusbar_draw(struct gui_statusbar * bar, bool force_redraw, struct viewport *vp)
{
struct screen * display = bar->display;
if (!display)
return;
#ifdef HAVE_LCD_CHARCELLS
int val;
(void)force_redraw; /* The Player always has "redraw" */
(void)vp;
#endif /* HAVE_LCD_CHARCELLS */
bar->info.battlevel = battery_level();
#ifdef HAVE_USB_POWER
bar->info.usb_inserted = usb_inserted();
#endif
#if CONFIG_CHARGING
bar->info.inserted = (charger_input_state == CHARGER);
if (bar->info.inserted)
{
bar->info.battery_state = true;
#if CONFIG_CHARGING >= CHARGING_MONITOR
/* zero battery run time if charging */
if (charge_state > DISCHARGING)
lasttime = current_tick;
/* animate battery if charging */
if ((charge_state == DISCHARGING) || (charge_state == TRICKLE))
{
bar->info.batt_charge_step = -1;
}
else
{
#else /* CONFIG_CHARGING < CHARGING_MONITOR */
lasttime = current_tick;
{
#endif /* CONFIG_CHARGING < CHARGING_MONITOR */
/* animate in (max.) 4 steps, starting near the current charge level */
if (TIME_AFTER(current_tick, bar->battery_icon_switch_tick))
{
if (++bar->info.batt_charge_step > 3)
bar->info.batt_charge_step = bar->info.battlevel / 34;
bar->battery_icon_switch_tick = current_tick + HZ;
}
}
}
else
#endif /* CONFIG_CHARGING */
{
/*
* Estimate how much current we are drawing just to run.
*/
static int runcurrent(void)
{
int current = CURRENT_NORMAL;
#ifndef BOOTLOADER
if (usb_inserted()
#ifdef HAVE_USB_POWER
#if (CURRENT_USB < CURRENT_NORMAL)
|| usb_powered()
#else
&& !usb_powered()
#endif
#endif
) {
current = CURRENT_USB;
}
#if defined(HAVE_BACKLIGHT)
if (backlight_get_current_timeout() == 0) /* LED always on */
current += CURRENT_BACKLIGHT;
#endif
#if defined(HAVE_RECORDING) && defined(CURRENT_RECORD)
if (audio_status() & AUDIO_STATUS_RECORD)
current += CURRENT_RECORD;
#endif
#ifdef HAVE_SPDIF_POWER
if (spdif_powered())
current += CURRENT_SPDIF_OUT;
#endif
#ifdef HAVE_REMOTE_LCD
if (remote_detect())
current += CURRENT_REMOTE;
#endif
#if defined(HAVE_ATA_POWER_OFF) && defined(CURRENT_ATA)
if (ide_powered())
current += CURRENT_ATA;
#endif
#endif /* BOOTLOADER */
return current;
}
