Shadowtrance
27 lines
655 B
C
27 lines
655 B
C
// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief AW9523B GPIO expander device configuration.
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*
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* 16 pins total: P0_0..P0_7 map to GpioDescriptor pin numbers 0..7, P1_0..P1_7
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* map to pin numbers 8..15. P0 defaults to open-drain per hardware reset; this
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* driver switches P0 to push-pull mode on start (matches every known board's
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* usage of this chip, since open-drain P0 cannot drive an active-high output
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* without an external pull-up).
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*/
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struct Aw9523bConfig {
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/** I2C address on the bus (typically 0x58) */
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uint8_t address;
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};
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#ifdef __cplusplus
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}
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#endif
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