CFBD_I2C_IORequestParams¶

Helper structure used by convenience read/write helpers. More...

#include <iic.h>

Public Attributes¶

	Name
uint16_t	addr7
uint32_t	mem_addr
uint8_t	mem_addr_size
uint8_t *	data
uint16_t	len
uint32_t	timeout_ms

Detailed Description¶

struct CFBD_I2C_IORequestParams;

Helper structure used by convenience read/write helpers.

Par: Example - Register Read

uint8_t register_value[4];
CFBD_I2C_IORequestParams req = {
    .addr7 = 0x50,           // Device address
    .mem_addr = 0x0100,      // Register/memory address in device
    .mem_addr_size = 2,      // 2-byte register address
    .data = register_value,
    .len = sizeof(register_value),
    .timeout_ms = 1000
};

if (CFBD_I2CRead(bus, &req) == I2C_OK) {
    // register_value now contains data from address 0x0100
}

Simplifies high-level I2C read/write operations by bundling common parameters (address, register offset, buffer, timeout) into a single structure.

Public Attributes Documentation¶

variable addr7¶

uint16_t addr7;

7-bit I2C address.

variable mem_addr¶

uint32_t mem_addr;

Optional device memory/register address.

variable mem_addr_size¶

uint8_t mem_addr_size;

Size in bytes of mem_addr.

variable data¶

uint8_t * data;

Pointer to data buffer.

variable len¶

uint16_t len;

Length of data in bytes.

variable timeout_ms¶

uint32_t timeout_ms;

Operation timeout in milliseconds.

Updated on 2026-02-03 at 13:21:55 +0000