LAN8742 Part Drivers
LAN8742 Part Drivers API Documentation - Custom IO ¶
This page documents the API of the “Custom” IO component of the LAN8742 Part Drivers.
An overview of the driver is also available here: main_doc .
Documentation for the Core component is also availabe here: LAN8742 Part Drivers API Documentation - Core.
Functions ¶
Functions
-
int32_t
lan8742_io_init
(
lan8742_io_t
*
pio
)
¶
-
int32_t
lan8742_io_write_c22_reg
(
lan8742_io_t
*
pio
,
uint8_t
reg
,
uint16_t
value
)
¶
-
int32_t
lan8742_io_read_c22_reg
(
lan8742_io_t
*
pio
,
uint8_t
reg
,
uint16_t
*
pvalue
)
¶
-
int32_t
lan8742_io_enable_irq
(
lan8742_io_t
*
pio
)
¶
-
Enables the IRQ line and starts the EXTI.
- Parameters :
-
pio – : Pointer to io interface object
- Return values :
-
error – status (0=success, -1=error)
-
int32_t
lan8742_io_disable_irq
(
lan8742_io_t
*
pio
)
¶
-
Disables the IRQ line and clears the interrupt pending bit.
- Parameters :
-
pio – Pointer to io interface object
- Return values :
-
error – status (0=success, -1=error)
-
int32_t
lan8742_io_register_callback
(
lan8742_io_t
*
pio
,
lan8742_io_callback_t
io_cb
,
void
*
arg
)
¶
-
Registers a callback on the IT pin of the LAN8742.
- Parameters :
-
pio – : Pointer to io interface object
io_cb – : Callback function to be registered
arg – : Optional argument given to the callback
- Return values :
-
error – status (0=success, -1=error)
Types ¶
Typedefs
-
typedef
struct
lan8742_io_s
lan8742_io_t
¶
-
IO callback function pointer definition
-
typedef
void
(
*
lan8742_io_callback_t
)
(
lan8742_io_t
*
pio
,
void
*
arg
)
¶
-
struct
lan8742_io_s
¶
-
CUSTOM IO object structure.
Note
Add fields as needed to store HAL handles and other resources.
Public Members
-
uint32_t
id
¶
-
Device ID
-
uint32_t
addr
¶
-
PHY address on the MDIO bus
-
lan8742_io_cb_ctx_t
exti_cb_ctx
¶
-
Callback context storing the function pointer and argument
-
uint32_t
id
¶
-
struct
lan8742_io_cb_ctx_t
¶
Constants and macros ¶
Defines
-
LAN8742_CALLBACKS
1
¶