| author | Tero Marttila <terom@paivola.fi> |
| Thu, 29 Jan 2015 23:11:44 +0200 | |
| changeset 107 | 05707929ff6f |
| parent 58 | a445e08b63e0 |
| permissions | -rw-r--r-- |
| 49 | 1 |
#define false 0 |
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#define true 1 |
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a445e08b63e0
hello-lkm: Control the JY-LKM1638 LED 7-segment display module
Tero Marttila <terom@paivola.fi>
parents:
52
diff
changeset
|
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typedef uint8_t byte; |
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a445e08b63e0
hello-lkm: Control the JY-LKM1638 LED 7-segment display module
Tero Marttila <terom@paivola.fi>
parents:
52
diff
changeset
|
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| 49 | 6 |
typedef volatile uint8_t ioport_t; |
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static inline ioport_t tbi(ioport_t *port, int bit) |
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{
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return *port & (1 << bit); |
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} |
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static inline void sbi(ioport_t *port, int bit) |
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{
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*port |= (1 << bit); |
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} |
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static inline void cbi(ioport_t *port, int bit) |
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{
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*port &= ~(1 << bit); |
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} |
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static inline void xbi(ioport_t *port, int bit) |
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{
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*port ^= (1 << bit); |
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} |