unleashed-firmware/lib/one_wire/one_wire_host.h
hedger 4d6b170769
[FL-2520] FW build with -Wextra (#1185)
* Fixing compiler warnings with -Wextra
* More warnings suppression, WIP
* Even more warning fixes
* Added new lines at end of text files.
* Padding fix
* Additional fixes to warnings on different build configurations; added -Wextra to default build pipeline
* Fixes for Secplus v1
* -additional warnings
* +-Wredundant-decls fixes
* FuriHal: print stack overflow task name in console
* FuriHal: add missing include

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2022-05-06 16:37:10 +03:00

121 lines
2 KiB
C

/**
* @file one_wire_host.h
*
* 1-Wire host (master) library
*/
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include <furi_hal_gpio.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
CONDITIONAL_SEARCH = 0, /**< Search for alarmed device */
NORMAL_SEARCH = 1, /**< Search all devices */
} OneWireHostSearchMode;
typedef struct OneWireHost OneWireHost;
/**
* Allocate onewire host bus
* @param gpio
* @return OneWireHost*
*/
OneWireHost* onewire_host_alloc();
/**
* Deallocate onewire host bus
* @param host
*/
void onewire_host_free(OneWireHost* host);
/**
* Reset bus
* @param host
* @return bool
*/
bool onewire_host_reset(OneWireHost* host);
/**
* Read one bit
* @param host
* @return bool
*/
bool onewire_host_read_bit(OneWireHost* host);
/**
* Read one byte
* @param host
* @return uint8_t
*/
uint8_t onewire_host_read(OneWireHost* host);
/**
* Read many bytes
* @param host
* @param buffer
* @param count
*/
void onewire_host_read_bytes(OneWireHost* host, uint8_t* buffer, uint16_t count);
/**
* Write one bit
* @param host
* @param value
*/
void onewire_host_write_bit(OneWireHost* host, bool value);
/**
* Write one byte
* @param host
* @param value
*/
void onewire_host_write(OneWireHost* host, uint8_t value);
/**
* Skip ROM command
* @param host
*/
void onewire_host_skip(OneWireHost* host);
/**
* Start working with the bus
* @param host
*/
void onewire_host_start(OneWireHost* host);
/**
* Stop working with the bus
* @param host
*/
void onewire_host_stop(OneWireHost* host);
/**
*
* @param host
*/
void onewire_host_reset_search(OneWireHost* host);
/**
*
* @param host
* @param family_code
*/
void onewire_host_target_search(OneWireHost* host, uint8_t family_code);
/**
*
* @param host
* @param newAddr
* @param mode
* @return uint8_t
*/
uint8_t onewire_host_search(OneWireHost* host, uint8_t* newAddr, OneWireHostSearchMode mode);
#ifdef __cplusplus
}
#endif