device.h

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#ifndef __xwcd_peripheral_i2c_iochip_tca9539_device_h__
#define __xwcd_peripheral_i2c_iochip_tca9539_device_h__
 
#include <xwos/standard.h>
#include <xwcd/ds/i2c/peripheral.h>
#include <xwcd/ds/iochip/chip.h>
 
#define XWDS_TCA9539_REG_P0_INPUT       ((xwu8_t)0)
#define XWDS_TCA9539_REG_P1_INPUT       ((xwu8_t)1)
#define XWDS_TCA9539_REG_P0_OUTPUT      ((xwu8_t)2)
#define XWDS_TCA9539_REG_P1_OUTPUT      ((xwu8_t)3)
#define XWDS_TCA9539_REG_P0_POLINV      ((xwu8_t)4)
#define XWDS_TCA9539_REG_P1_POLINV      ((xwu8_t)5)
#define XWDS_TCA9539_REG_P0_CFG         ((xwu8_t)6)
#define XWDS_TCA9539_REG_P1_CFG         ((xwu8_t)7)
 
enum xwds_tca9539_pin_direction_em {
        XWDS_TCA9539_PIN_DIRECTION_OUT = 0U, 
        XWDS_TCA9539_PIN_DIRECTION_IN, 
};
 
struct xwds_tca9539_cfg {
        struct {
                union {
                        struct {
                                xwu8_t p0:1;
                                xwu8_t p1:1;
                                xwu8_t p2:1;
                                xwu8_t p3:1;
                                xwu8_t p4:1;
                                xwu8_t p5:1;
                                xwu8_t p6:1;
                                xwu8_t p7:1;
                        } bit;
                        xwu8_t u8;
                } direction; 
                union {
                        struct {
                                xwu8_t p0:1;
                                xwu8_t p1:1;
                                xwu8_t p2:1;
                                xwu8_t p3:1;
                                xwu8_t p4:1;
                                xwu8_t p5:1;
                                xwu8_t p6:1;
                                xwu8_t p7:1;
                        } bit;
                        xwu8_t u8;
                } out; 
        } p0; 
        struct {
                union {
                        struct {
                                xwu8_t p0:1;
                                xwu8_t p1:1;
                                xwu8_t p2:1;
                                xwu8_t p3:1;
                                xwu8_t p4:1;
                                xwu8_t p5:1;
                                xwu8_t p6:1;
                                xwu8_t p7:1;
                        } bit;
                        xwu8_t u8;
                } direction; 
                union {
                        struct {
                                xwu8_t p0:1;
                                xwu8_t p1:1;
                                xwu8_t p2:1;
                                xwu8_t p3:1;
                                xwu8_t p4:1;
                                xwu8_t p5:1;
                                xwu8_t p6:1;
                                xwu8_t p7:1;
                        } bit;
                        xwu8_t u8;
                } out; 
        } p1; 
};
 
struct xwds_tca9539_pincfg {
        xwu8_t direction;
};
 
struct xwds_tca9539 {
        struct xwds_iochip iochip; 
        struct {
                const struct xwds_resource_gpio * rst; 
                const struct xwds_resource_gpio * irq; 
        } gpiorsc; 
        xwid_t eirq; 
};
 
void xwds_tca9539_construct(struct xwds_tca9539 * tca9539);
 
void xwds_tca9539_destruct(struct xwds_tca9539 * tca9539);
 
static __xwds_inline
xwer_t xwds_tca9539_grab(struct xwds_tca9539 * tca9539)
{
        return xwds_i2cp_grab(&tca9539->iochip.bc.i2cp);
}
 
static __xwds_inline
xwer_t xwds_tca9539_put(struct xwds_tca9539 * tca9539)
{
        return xwds_i2cp_put(&tca9539->iochip.bc.i2cp);
}
 
#endif /* xwcd/peripheral/i2c/iochip/tca9539/device.h */