cy22393.h

Freescale MCF5445evb 参考测试代码

/*! 
 * \file    cy22393.h
 * \brief   Cypress Clock Generator Driver
 * 
 * This driver uses the I2C bus to communicate with the Cypress CY22393. All
 * writes to the CY22393 are volatile.  A device reset will revert the clock
 * outputs to the state defined in the non-volatile memory of the CY22393.
 *
 * \author  Michael Norman
 * \version $Revision: 1.1 $
 */

/********************************************************************/

#define CY22393_RD_ADDR     ((0x69 << 1) | 1)
#define CY22393_WR_ADDR     ((0x69 << 1) | 0)

typedef enum {
    CY22393_CLKA,
    CY22393_CLKB,
    CY22393_CLKC,
    CY22393_CLKD,
    CY22393_CLKE
} CY22393_CLK;

void
cy22393_init(void);

void
cy22393_read(int, uint8*, int);

void
cy22393_write(int, uint8*, int);

void
cy22393_dump(void);

void
cy22393_disable_clk(CY22393_CLK);

/********************************************************************/