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updated prescaler values

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hugo LAMY
2025-03-07 09:09:00 +01:00
parent d08cc9fd4c
commit 936c591be4
4 changed files with 40 additions and 28 deletions
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13
module01/ex01/main.c
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@@ -49,17 +49,18 @@
#define BUTTON2 (D, SW2)
// TIME
#define PRESCALE_VALUE 1024
#define PRESCALE_VALUE 1024 // can be 1, 8, 64, 256, 1024
// table 16-5 : prescale sets
#if (PRESCALE_VALUE == 1)
#define PRESCALE_SET (1 << CS10)
#define PRESCALE_SET (0<<CS12 | 0<<CS11 | 1<<CS10)
#elif (PRESCALE_VALUE == 8)
#define PRESCALE_SET (1 << CS11)
#define PRESCALE_SET (0<<CS12 | 1<<CS11 | 0<<CS10)
#elif (PRESCALE_VALUE == 64)
#define PRESCALE_SET (1 << CS10) | (1 << CS11)
#define PRESCALE_SET (0<<CS12 | 1<<CS11 | 1<<CS10)
#elif (PRESCALE_VALUE == 256)
#define PRESCALE_SET (1 << CS12)
#define PRESCALE_SET (1<<CS12 | 0<<CS11 | 0<<CS10)
#elif (PRESCALE_VALUE == 1024)
#define PRESCALE_SET (1 << CS10) | (1 << CS12)
#define PRESCALE_SET (1<<CS12 | 0<<CS11 | 1<<CS10)
#endif
#define TIME_MS(ms) (((F_CPU / PRESCALE_VALUE) * ms) / 1000)
#define PERIOD 500