/**
* \fn void note(char temps, int note)
* \brief Permet de jouer une note pendant un certain temps
* \param [IN] temps est la duree pendant laquelle on souhaite jouer la note
- temps ne doit pas depasser la valeur 11 ( 2^8 / 5760 )
[IN] note est la fréquence d'OCR0A que l'on souhaite jouer
*/
void note(char temps, int note)
{
start_timer0(note);
start_timer1(temps * 5760); // 100 ms
wait_OCR1A_timer1();
stop_timer1();
stop_timer0();
}
int main(void)
{
int i;
int count = 0;
DDRB = 0;
DDRC = 0;
DDRE = 0;
// Enable the pullup on RESET pin.
#if defined(__AVR_AT90PWM316__)
PORTE = (1<<PINE0);
PORTE &= ~(1<<PINE0);
#elif defined(__AVR_ATmega328__) || defined(__AVR_ATmega328P__)
PORTC = (1<<PINC6);
PORTC &= ~(1<<PINC6);
#else
#warning "Didn't enable reset pin pullup"
#endif
// Setup all of port C as inputs, except for pin C5
SETUP_DEBUG_PINS();
// Set up the ADC single conversion pin.
DDRC &= ~(1<<PINC6);
PORTC &= ~(1<<PINC6);
// Disable all the ADC digital inputs.
DIDR1 = 0xFF;
DIDR0 = 0xFF & ~(1<<ADC1D);
// populate the buffer with known values
ringBuffer_initialize(&txbuffer,txbuffer_storage,TXBUFFER_LEN);
ringBuffer_initialize(&adcbuffer,adcbuffer_storage,BUFFER_LEN);
ringBuffer_initialize(&rxbuffer,rxbuffer_storage,RXBUFFER_LEN);
// Populate the ADC read schedule with the mux indices that you want.
adc_mux_schedule[0] = 2;
adc_mux_schedule[1] = 10;
adc_mux_schedule[2] = 6;
adc_mux_schedule[3] = 3;
uart_init( UART_BAUD_SELECT_DOUBLE_SPEED(UART_BAUD_RATE,F_CPU), &rxbuffer, &txbuffer);
//uart_config_default_stdio();
// Translate those indices and the mask specifying which MUXes to turn on,
// to an encoded mux schedule that the ADC understands.
adc_encode_muxSchedule(adc_mux_schedule, SCHEDULE_LEN);
adc_init(ADC_MODE_MANUAL, &adcbuffer, adc_mux_schedule, SCHEDULE_LEN);
timer0_init();
sei();
uart_puts_P("\f\r\n\r\nADC and UART Demo. Commands:\n"
"b Begin 4 channel read bursts at CLK/16K\n"
"e End reading.\n"
"s Single conversion.\n");
DEBUG_PIN1_OFF();
while(1)
{
do
{
i = uart_getc();
} while (i == UART_NO_DATA);
DEBUG_PIN1_ON();
if(i == 'b'){
uart_puts_P("Begin.\n");
start_timer0();
}
else if(i == 'e'){
stop_timer0();
_delay_us(100);
uart_puts_P("End.\n");
}
else if(i == 's'){
uart_puts_P("ADC");
uart_put_hex8(count);
uart_puts_P(": ");
i = adc_single_conversion(count);
uart_put_hex8((i >> 8) & 0xFF);
uart_put_hex8(i & 0xFF);
uart_putc('\n');
count = (count + 1) & 0xF;
if(count == 11)
{
count = 13;
}
}
else{
