void portInit( void )
{
// Init all needed modules ********************************************************************
initPin( PTB5, 0x1u, 0x1u ); // PIN FOR SPEAKER IS NOT CONNECTED; INIT WITH PULLUP
initPin( OUTPUT_PIN( PIN_LED0 ), 0x1u, 0 ); // red LED
initPin( OUTPUT_PIN( PIN_LED1 ), 0x1u, 0 ); // yellow LED
initPin( OUTPUT_PIN( PIN_LED2 ), 0x1u, 0 ); // green LED
initPin( OUTPUT_PIN( PIN_LED3 ), 0x1u, 0 ); // 'orange' LED
//initPin( PIN_IRQ_TAS0, 0x1u, 0x1u ); // PIN
// SET ALL LEDS OFF BY DEFAULT (LOW-ACTIVE)
SET_PIN_HIGH( PIN_LED0 );
SET_PIN_HIGH( PIN_LED1 );
SET_PIN_HIGH( PIN_LED2 );
SET_PIN_HIGH( PIN_LED3 );
}
void set_led(unsigned char sel_pin, unsigned char led_pin) {
SET_PIN_OUTPUT(LED_BUTTON_PORT, led_pin);
SET_PIN_LOW(LED_BUTTON_PORT, led_pin);
SET_PIN_OUTPUT(LED_BUTTON_SEL_PORT, sel_pin);
if (LED_STATUS(sel_pin * led_pin)) {
SET_PIN_HIGH(LED_BUTTON_SEL_PORT, sel_pin);
} else {
SET_PIN_LOW(LED_BUTTON_SEL_PORT, sel_pin);
}
}
void tsk1( void )
{
SET_PIN_LOW(PIN_LED0);
svc_mtx_TakeMtx( (MtxNr) 0x1u, &tsk_AR[1], 100 );
SET_PIN_HIGH(PIN_LED0);
SET_PIN_LOW( PIN_LED1 );
SET_PIN_LOW( PIN_LED2 );
svc_tsk_InitTsk( (TskID) 0x2u, &tsk2, &tsk_EndTheTask, MY_STACK_SIZE );
svc_tsk_SetTskPrio( (TskID) 0x2u, TSK_PRIO_HIG );
svc_tsk_ActvTsk( (TskID) 0x2u );
SET_PIN_HIGH( PIN_LED1 );
svc_tmr_SetTimer( (WaitTime) 500, &tsk_AR[1] );
svc_mtx_GiveMtx( (MtxNr) 0x1u, &tsk_AR[1] );
SET_PIN_HIGH( PIN_LED2 );
svc_tsk_KillTsk( &tsk_AR[1] );
}
void tsk2( void )
{
SET_PIN_LOW( PIN_LED3 );
svc_mtx_TakeMtx( (MtxNr) 0x1u, &tsk_AR[2], 100 );
svc_tmr_SetTimer( (WaitTime) 500, &tsk_AR[2] );
SET_PIN_HIGH( PIN_LED3 );
svc_mtx_GiveMtx( (MtxNr) 0x1u, &tsk_AR[2] );
svc_tsk_KillTsk( &tsk_AR[2] );
}
void ask_poti(unsigned char sel_pin, unsigned char adc) {
SET_PIN_LOW(POTI_SEL_PORT, sel_pin);
_delay_us(50);
ADMUX = _BV(ADLAR) | adc;
ADCSRA |= _BV(ADSC);
loop_until_bit_is_set(ADCSRA, ADIF);
loop_until_bit_is_clear(ADCSRA, ADSC);
last_adc = ADC;
SET_PIN_HIGH(POTI_SEL_PORT, sel_pin);
unsigned char val = convert_to_cc(last_adc);
unsigned char poti = sel_pin + 8 * adc;
unsigned char old = poti_status[poti] & 0x7f;
if ((val != old) && ((val == 00) || (val == 0x7F) || (abs(val - old) > 1)))
poti_status[poti] = 0x80 | val;
}
void ask_button(unsigned char button_pin, unsigned char sel_pin) {
SET_PIN_LOW(LED_BUTTON_SEL_PORT, sel_pin);
SET_PIN_INPUT_PULLUP(LED_BUTTON_PORT, button_pin + 2);
unsigned char val = PIN_VALUE(LED_BUTTON_PORT, button_pin + 2);
SET_PIN_HIGH(LED_BUTTON_SEL_PORT, sel_pin);
unsigned char button = sel_pin * BUTTON_ROWS + button_pin;
switch (button_status[button]) {
case BUTTON_NOTHING:
if (!val)
button_status[button] = BUTTON_PRESSED;
break;
case BUTTON_PRESSED:
case BUTTON_NORMAL:
if (val)
button_status[button] = BUTTON_RELEASED;
break;
case BUTTON_RELEASED:
if (val)
button_status[button] = BUTTON_NOTHING;
else
button_status[button] = BUTTON_PRESSED;
break;
}
}