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| Source at commit 0e9b093d2ee3f8195e9848f5a931c2068d37e59f created 11 years 1 day ago. By Werner Almesberger, tornado/cpu/cpu.brd: improve 3V3 routing | |
|---|---|
| 1 | #include <stdint.h> |
| 2 | |
| 3 | #define F_CPU 8000000UL |
| 4 | #include <util/delay.h> |
| 5 | |
| 6 | #include "io.h" |
| 7 | |
| 8 | |
| 9 | #define HIGH(port) \ |
| 10 | (MASK(port, CARD_nPWR) | \ |
| 11 | MASK(port, SW_N) | MASK(port, SW_E) | MASK(port, SW_S) | \ |
| 12 | MASK(port, SW_W) | MASK(port, SW_SW)) |
| 13 | |
| 14 | #define OUTPUTS(port) \ |
| 15 | (MASK(port, CARD_nPWR) | MASK(port, CARD_CLK) | \ |
| 16 | MASK(port, LED_DS) | MASK(port, LED_LCLK) | MASK(port, LED_SCLK)) |
| 17 | |
| 18 | |
| 19 | int main(void) |
| 20 | { |
| 21 | PORTB = HIGH(B); |
| 22 | PORTC = HIGH(C); |
| 23 | PORTD = HIGH(D); |
| 24 | DDRB = OUTPUTS(B); |
| 25 | DDRC = OUTPUTS(C); |
| 26 | DDRD = OUTPUTS(D); |
| 27 | |
| 28 | while (1); |
| 29 | } |
| 30 | |
Branches:
master
tornado-v1
