qemu/include/hw/misc/pca9552.h
Cédric Le Goater 5141d4158c misc: add pca9552 LED blinker model
Specs are available here :

    https://www.nxp.com/docs/en/application-note/AN264.pdf

This is a simple model supporting the basic registers for led and GPIO
mode. The device also supports two blinking rates but not the model
yet.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180530064049.27976-7-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-08 13:15:32 +01:00

33 lines
633 B
C

/*
* PCA9552 I2C LED blinker
*
* Copyright (c) 2017-2018, IBM Corporation.
*
* This work is licensed under the terms of the GNU GPL, version 2 or
* later. See the COPYING file in the top-level directory.
*/
#ifndef PCA9552_H
#define PCA9552_H
#include "hw/i2c/i2c.h"
#define TYPE_PCA9552 "pca9552"
#define PCA9552(obj) OBJECT_CHECK(PCA9552State, (obj), TYPE_PCA9552)
#define PCA9552_NR_REGS 10
typedef struct PCA9552State {
/*< private >*/
I2CSlave i2c;
/*< public >*/
uint8_t len;
uint8_t pointer;
uint8_t regs[PCA9552_NR_REGS];
uint8_t max_reg;
uint8_t nr_leds;
} PCA9552State;
#endif