1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#pragma once
#include <stm32wbxx_ll_i2c.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct FuriHalI2cBus FuriHalI2cBus;
typedef struct FuriHalI2cBusHandle FuriHalI2cBusHandle;
/** FuriHal i2c bus states */
typedef enum {
FuriHalI2cBusEventInit, /**< Bus initialization event, called on system start */
FuriHalI2cBusEventDeinit, /**< Bus deinitialization event, called on system stop */
FuriHalI2cBusEventLock, /**< Bus lock event, called before activation */
FuriHalI2cBusEventUnlock, /**< Bus unlock event, called after deactivation */
FuriHalI2cBusEventActivate, /**< Bus activation event, called before handle activation */
FuriHalI2cBusEventDeactivate, /**< Bus deactivation event, called after handle deactivation */
} FuriHalI2cBusEvent;
/** FuriHal i2c bus event callback */
typedef void (*FuriHalI2cBusEventCallback)(FuriHalI2cBus* bus, FuriHalI2cBusEvent event);
/** FuriHal i2c bus */
struct FuriHalI2cBus {
I2C_TypeDef* i2c;
FuriHalI2cBusHandle* current_handle;
FuriHalI2cBusEventCallback callback;
};
/** FuriHal i2c handle states */
typedef enum {
FuriHalI2cBusHandleEventActivate, /**< Handle activate: connect gpio and apply bus config */
FuriHalI2cBusHandleEventDeactivate, /**< Handle deactivate: disconnect gpio and reset bus config */
} FuriHalI2cBusHandleEvent;
/** FuriHal i2c handle event callback */
typedef void (*FuriHalI2cBusHandleEventCallback)(FuriHalI2cBusHandle* handle, FuriHalI2cBusHandleEvent event);
/** FuriHal i2c handle */
struct FuriHalI2cBusHandle {
FuriHalI2cBus* bus;
FuriHalI2cBusHandleEventCallback callback;
};
#ifdef __cplusplus
}
#endif
|
