42/42_EXT_03_42chips
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add macro for leds

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This commit is contained in:
hugogogo
2025-03-04 12:06:40 +01:00
parent 7c2e96d72e
commit 8829366ff2
1 changed files with 13 additions and 9 deletions
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22
module00/ex01/main.c
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@@ -5,6 +5,11 @@
#define TEST(REGISTER, BIT) REGISTER & 1 << BIT #define TEST(REGISTER, BIT) REGISTER & 1 << BIT
#define TOGGLE(REGISTER, BIT) REGISTER ^= 1 << BIT #define TOGGLE(REGISTER, BIT) REGISTER ^= 1 << BIT
#define D1 0
#define D2 1
#define D3 2
#define D4 4
int main() int main()
{ {
// DDRx : select direction of the pin // DDRx : select direction of the pin
@@ -20,18 +25,17 @@ int main()
// PINx : // PINx :
// turn on led 1 SET(DDRB, D1); // make PB0 as OUTPUT (pullup is off)
SET(DDRB, 0); // make PB0 as OUTPUT CLEAR(PORTB, D1); // make PB0 as HIGH (LED turns ON)
SET(PORTB, 0); // make PB0 as HIGH (LED turns ON)
// CLEAR(DDRB, 1); // make PB0 as INPUT // SET(DDRB, D2); // make PB1 as OUTPUT (pullup is off)
// SET(PORTB, 1); // make PB0 pullup on // CLEAR(PORTB, D2); // make PB1 as LOW (LED turns OFF)
// SET(DDRB, 2); // make PB0 as OUTPUT // CLEAR(DDRB, D3); // make PB2 as INPUT
// CLEAR(PORTB, 2); // make PB0 as LOW (LED turns OFF) // SET(PORTB, D3); // make PB2 pullup on
// CLEAR(DDRB, 4); // make PB0 as INPUT // CLEAR(DDRB, D4); // make PB4 as INPUT
// CLEAR(PORTB, 4); // make PB0 as LOW (LED turns OFF) // CLEAR(PORTB, D4); // make PB4 pullup off
return 0; return 0;
} }