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71bebc4fca
* WIP: light sensor persistent params * fix params writing * Persistent params argument in C params lib. Fixed symlink flow * Removed debug prints * fix boardd * fix ui * remove debug print
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
#ifndef _SELFDRIVE_COMMON_PARAMS_H_
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#define _SELFDRIVE_COMMON_PARAMS_H_
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ERR_NO_VALUE -33
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int write_db_value(const char* key, const char* value, size_t value_size, bool persistent_param = false);
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// Reads a value from the params database.
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// Inputs:
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// key: The key to read.
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// value: A pointer where a newly allocated string containing the db value will
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// be written.
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// value_sz: A pointer where the size of value will be written. Does not
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// include the NULL terminator.
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// persistent_param: Boolean indicating if the param store in the /persist partition is to be used.
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// e.g. for sensor calibration files. Will not be cleared after wipe or re-install.
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//
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// Returns: Negative on failure, otherwise 0.
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int read_db_value(const char* key, char** value, size_t* value_sz, bool persistent_param = false);
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// Delete a value from the params database.
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// Inputs are the same as read_db_value, without value and value_sz.
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int delete_db_value(const char* key, bool persistent_param = false);
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// Reads a value from the params database, blocking until successful.
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// Inputs are the same as read_db_value.
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void read_db_value_blocking(const char* key, char** value, size_t* value_sz, bool persistent_param = false);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#ifdef __cplusplus
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#include <map>
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#include <string>
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int read_db_all(std::map<std::string, std::string> *params, bool persistent_param = false);
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#endif
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#endif // _SELFDRIVE_COMMON_PARAMS_H_
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