#ifndef __ic2_mcu__
#define __ic2_mcu__


// ========================================================
#define ERR_OK  0
#define ERR_NAK 1
#define ERR_NOSLAVE 2



// ========================================================
extern volatile bit iic_mcu_busy;
extern bit iic_mcu_wo_dma;

extern u8 iic_mcu_bus_status;



// ========================================================
err iic_mcu_read( u8 SLA, u8 adrs, u8 len, u8* dest );
u8  iic_mcu_read_a_byte( u8 SLA, u8 adrs );

err iic_mcu_write( u8 SLA, u8 adrs, u8 len, u8* src );
err iic_mcu_write_a_byte( u8 SLA, u8 adrs, u8 dat );


#define iic_mcu_set_wo_dma()           { while( iic_mcu_busy ){;} iic_mcu_wo_dma = 1; }

void iic2m_bus_reset();

void iic_mcu_start();
void iic_mcu_stop();

#endif