void task_powerdown_init()
{
//Lower F_CPU
ClockSetSource(x2MHz);
//disable other oscilators
OSC.CTRL = 0b00000001;
buttons_deinit();
uart_stop();
_delay_ms(10);
turnoff_subsystems();
uart_low_speed();
_delay_ms(10);
DEBUG(" *** POWER DOWN INIT ***\n");
test_memory();
//we do not want to enter sleep
powerdown_loop_break = false;
powerdown_lock.Lock();
task_timer_setup(false);
SD_EN_OFF;
DEBUG("Using low speed uart\n");
}
void task_system_loop()
{
wdt_reset();
//task switching outside interrupt
if (new_task != actual_task)
{
DEBUG("Switching task %d to %d\n", actual_task, new_task);
if (actual_task != NO_TASK)
{
task_stop_array[actual_task]();
//XXX: this will guarantee that task switched from the powerdown task will be vanilla
if (new_task == TASK_POWERDOWN)
SystemReset();
}
actual_task = new_task;
task_init_array[actual_task]();
}
//check USB and send IRQ
if (usb_state != USB_CONNECTED)
{
usb_state = USB_CONNECTED;
task_irqh(TASK_IRQ_USB, &usb_state);
}
buttons_step();
if (powerdown_lock.Active() == false)
{
battery_step();
}
}
void buttons_step()
{
if (config.gui.disp_flags & CFG_DISP_FLIP)
{
button_handle(2, GpioRead(SWITCH1));
button_handle(0, GpioRead(SWITCH3));
}
else
{
button_handle(0, GpioRead(SWITCH1));
button_handle(2, GpioRead(SWITCH3));
}
button_handle(1, GpioRead(SWITCH2));
if (buttons_state[0] > BS_IDLE || buttons_state[1] > BS_IDLE || buttons_state[2] > BS_IDLE)
button_lock.Lock();
else
button_lock.Unlock();
}
void task_powerdown_loop()
{
//do not go to the Power down when there is another lock pending (button, buzzer)
if ((task_sleep_lock == 1 && powerdown_lock.Active()) && powerdown_loop_break == false)
{
uart_stop();
powerdown_sleep();
uart_low_speed();
}
}
void task_powerdown_stop()
{
//Reinit all devices
DEBUG("Restarting all devices\n");
uart_stop();
Setup();
task_timer_setup();
DEBUG("Restoring full speed uart\n");
powerdown_lock.Unlock();
}
void task_init()
{
task_timer_setup();
USB_CONNECTED_IRQ_ON;
powerdown_lock.Unlock();
//if ftest is not done
if (!cfg_factory_passed())
task_set(TASK_ACTIVE);
//if is USB connected go directly to USB task
if ((usb_state = USB_CONNECTED))
task_set(TASK_USB);
wdt_init(wdt_2s);
}