OpenModem/bertos/cpu/arm/drv/twi_at91.h
2014-04-03 22:21:37 +02:00

53 lines
1.9 KiB
C

/**
* \file
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*
* \brief Driver for the AT91 ARM TWI (implementation)
*
* \author Francesco Sacchi <batt@develer.com>
*/
#ifndef DRV_AT91_TWI_H
#define DRV_AT91_TWI_H
#include <cfg/compiler.h>
typedef int16_t twi_iaddr_t;
#define TWI_NO_IADDR (-1)
void twi_init(void);
bool twi_read(uint8_t id, twi_iaddr_t byte1, twi_iaddr_t byte2, twi_iaddr_t byte3, void *_buf, size_t len);
bool twi_write(uint8_t id, twi_iaddr_t byte1, twi_iaddr_t byte2, twi_iaddr_t byte3, const void *_buf, size_t len);
#endif /* DRV_AT91_TWI_H */