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61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/**
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* @file expansion.h
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* @brief Expansion module support library.
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*/
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#pragma once
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#include <furi_hal_serial_types.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 FURI record key to access the expansion object.
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*/
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#define RECORD_EXPANSION "expansion"
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/**
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* @brief Expansion opaque type declaration.
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*/
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typedef struct Expansion Expansion;
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/**
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* @brief Enable support for expansion modules on designated serial port.
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*
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* Only one serial port can be used to communicate with an expansion
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* module at a time.
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*
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* Calling this function when expansion module support is already enabled
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* will first disable the previous setting, then enable the current one.
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*
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* @param[in,out] instance pointer to the Expansion instance.
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* @param[in] serial_id numerical identifier of the serial.
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*/
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void expansion_enable(Expansion* instance, FuriHalSerialId serial_id);
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/**
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* @brief Disable support for expansion modules.
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*
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* Calling this function will cease all communications with the
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* expansion module (if any), release the serial handle and
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* reset the respective pins to the default state.
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*
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* @param[in,out] instance pointer to the Expansion instance.
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*/
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void expansion_disable(Expansion* instance);
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/**
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* @brief Resume support for expansion modules as configured in settings.
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*
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* Calling this function when expansion module support is already enabled
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* will first disable the previous setting, then enable the current one.
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*
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* @param[in,out] instance pointer to the Expansion instance.
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*/
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void expansion_resume(Expansion* instance);
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#ifdef __cplusplus
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}
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#endif
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