45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
|
/* Copyright 2019 The Chromium OS Authors. All rights reserved.
|
|||
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|||
|
|
* found in the LICENSE file.
|
|||
|
|
*
|
|||
|
|
* MAX6958/MAX6959 7-Segment LED Display Driver header
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#ifndef __CROS_EC_MAX656X_H
|
|||
|
|
#define __CROS_EC_MAX656X_H
|
|||
|
|
|
|||
|
|
/* I2C interface */
|
|||
|
|
#define MAX695X_I2C_ADDR1_FLAGS 0x38
|
|||
|
|
#define MAX695X_I2C_ADDR2_FLAGS 0x39
|
|||
|
|
|
|||
|
|
/* Decode mode register */
|
|||
|
|
#define MAX695X_REG_DECODE_MODE 0x01
|
|||
|
|
/* Hexadecimal decode for digits 3–0 */
|
|||
|
|
#define MAX695X_DECODE_MODE_HEX_DECODE 0x0f
|
|||
|
|
|
|||
|
|
/* Intensity register */
|
|||
|
|
#define MAX695X_REG_INTENSITY 0x02
|
|||
|
|
/* Setting meduim intensity */
|
|||
|
|
#define MAX695X_INTENSITY_MEDIUM 0x20
|
|||
|
|
|
|||
|
|
/* Scan limit register value */
|
|||
|
|
#define MAX695X_REG_SCAN_LIMIT 0x03
|
|||
|
|
|
|||
|
|
/* Scanning digits 0-3 */
|
|||
|
|
#define MAX695X_SCAN_LIMIT_4 0x03
|
|||
|
|
|
|||
|
|
/* Configuration register */
|
|||
|
|
#define MAX695X_REG_CONFIG 0x04
|
|||
|
|
/* Shutdown seven segment display */
|
|||
|
|
#define MAX695X_CONFIG_OPR_SHUTDOWN 0x00
|
|||
|
|
/* Start seven segment display */
|
|||
|
|
#define MAX695X_CONFIG_OPR_NORMAL 0x01
|
|||
|
|
|
|||
|
|
/* Digit addresses */
|
|||
|
|
#define MAX695X_DIGIT0_ADDR 0x20
|
|||
|
|
#define MAX695X_DIGIT1_ADDR 0x21
|
|||
|
|
#define MAX695X_DIGIT2_ADDR 0x22
|
|||
|
|
#define MAX695X_DIGIT3_ADDR 0x23
|
|||
|
|
|
|||
|
|
#endif /* __CROS_EC_MAX656X_H */
|