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