| 0,0 → 1,38 |
|---|
| // Oscilloscope firmware, Roman Pavelka, 2011 |
| // written for atmega8 |
| |
| #define F_CPU 16000000 |
| #define BAUD 1000000 |
| //#define MYUBRR F_CPU/8/BAUD-1 |
| #define MYUBRR 1 |
| |
| #include "./libs/usart.h" |
| #include "./libs/spi.h" |
| |
| #include <avr/io.h> |
| #include <avr/interrupt.h> |
| #include <util/delay.h> |
| #include <inttypes.h> |
| |
| int main (void) { |
| USART_Init(MYUBRR); |
| |
| DDRB = 0b00100100; //SCK, SS out |
| PORTB = 0b00000000; // CONV low |
| |
| SPI_MasterInit(); |
| |
| |
| while(1) |
| { |
| PORTB |= 0b00000100; |
| _delay_us(4); |
| PORTB &= 0b11111011; //one conversion |
| |
| USART_Transmit(SPI_MasterTransmit(0x0)); //Binary transfer |
| USART_Transmit(SPI_MasterTransmit(0x0)); |
| _delay_us(4); |
| } |
| return 0; |
| } |
| |