/****************************************************************************
NAME
powerManagerHandleVbat
DESCRIPTION
Called when the battery voltage is detected to be in a Normal state
*/
static void powerManagerHandleVbat(voltage_reading vbat, battery_level_source source)
{
/* Get the event associated with this battery level */
sink_battery_setting setting = theSink.conf1->power.bat_events[vbat.level];
sinkEvents_t event = setting.event;
PM_DEBUG(("PM: Battery Voltage 0x%02X (%dmV)\n", vbat.level, vbat.voltage));
displayUpdateBatteryLevel(powerManagerIsChargerConnected());
/* Send indication if not charging, not in limbo state and indication enabled for this source */
if(!powerManagerIsChargerConnected() && (stateManagerGetState() != deviceLimbo) && (setting.sources & source))
{
PM_DEBUG(("PM: Sending Event 0x%X\n", event));
MessageSend(&theSink.task, event, NULL);
}
switch(event)
{
case EventSysBatteryCritical:
/* Always indicate critical battery */
powerManagerHandleVbatCritical();
usbSetVbatDead(TRUE);
break;
case EventSysBatteryLow:
powerManagerHandleVbatLow();
usbSetVbatDead(FALSE);
break;
case EventSysGasGauge0 :
case EventSysGasGauge1 :
case EventSysGasGauge2 :
case EventSysGasGauge3 :
powerManagerHandleVbatNormal(event - EventSysGasGauge0);
usbSetVbatDead(FALSE);
break;
default:
break;
}
}
/****************************************************************************
NAME
usbTimeCriticalInit
DESCRIPTION
Initialise USB. This function is time critical and must be called from
_init. This will fail if either Host Interface is not set to USB or
VM control of USB is FALSE in PS. It may also fail if Transport in the
project properties is not set to USB VM.
RETURNS
void
*/
void usbTimeCriticalInit(void)
{
#ifdef ENABLE_USB_AUDIO
const usb_plugin_info* plugin;
#endif
usb_device_class_status status;
usb_file_info root;
usb_file_info file;
usb_file_name_info file_name;
USB_DEBUG(("USB: Time Critical\n"));
/* Default to not configured or suspended */
theSink.usb.ready = FALSE;
theSink.usb.enumerated = FALSE;
theSink.usb.suspended = FALSE;
theSink.usb.vbus_okay = TRUE;
theSink.usb.deconfigured = FALSE;
/* Check if we booted with dead battery */
usbSetVbatDead(usbDeadBatteryAtBoot());
/* Get USB configuration */
configManagerUsb();
/* Abort if no device classes supported */
if(!theSink.usb.config.device_class)
return;
usbFileInfo(root_name, sizeof(root_name)-1, &root);
usbFileName(&root, &file_name);
usbFileInfo(file_name.name, file_name.size, &file);
/* If we can't find the help file don't enumerate mass storage */
if(file.index == FILE_NONE || root.index == FILE_NONE)
USB_CLASS_DISABLE(USB_DEVICE_CLASS_TYPE_MASS_STORAGE);
#ifdef ENABLE_USB_AUDIO
plugin = &usb_plugins[theSink.usb.config.plugin_type];
USB_DEBUG(("USB: Audio Plugin %d\n", theSink.usb.config.plugin_index));
UsbDeviceClassConfigure(USB_DEVICE_CLASS_CONFIG_AUDIO_INTERFACE_DESCRIPTORS, 0, 0, (const uint8*)(plugin->usb_descriptors));
#else
/* If audio not supported don't enumerate as mic or speaker */
USB_CLASS_DISABLE(USB_DEVICE_CLASS_AUDIO);
#endif
USB_DEBUG(("USB: Endpoint Setup [0x%04X] - ", theSink.usb.config.device_class));
/* Attempt to enumerate - abort if failed */
status = UsbDeviceClassEnumerate(&theSink.task, theSink.usb.config.device_class);
if(status != usb_device_class_status_success)
{
USB_DEBUG(("Error %X\n", status));
return;
}
USB_DEBUG(("Success\n"));
/* Configure mass storage device */
if(USB_CLASS_ENABLED(USB_DEVICE_CLASS_TYPE_MASS_STORAGE))
{
UsbDeviceClassConfigure(USB_DEVICE_CLASS_CONFIG_MASS_STORAGE_FAT_DATA_AREA, file.index, file.size, 0);
usbFileInfo(fat_name, sizeof(fat_name)-1, &file);
UsbDeviceClassConfigure(USB_DEVICE_CLASS_CONFIG_MASS_STORAGE_FAT_TABLE, file.index, file.size, 0);
UsbDeviceClassConfigure(USB_DEVICE_CLASS_CONFIG_MASS_STORAGE_FAT_ROOT_DIR, root.index, root.size, 0);
}
}
