I2C (Inter-Integrated Circuit) interface. More...
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Data Structures | |
| struct | hw_i2c_t |
| I2C adapter. More... | |
Typedefs | |
| typedef struct hw_i2c_t | hw_i2c_t |
| I2C adapter. | |
Functions | |
| hw_i2c_t | hw_i2c_init_default (uint32_t baudrate) |
| Initialize an I2C interface using default pins and adapter. More... | |
| hw_i2c_t | hw_i2c_init (uint8_t adapter, uint8_t sda, uint8_t scl, uint32_t baudrate) |
| Initialize an I2C interface with specific adapter and pins. More... | |
| void | hw_i2c_finalize (hw_i2c_t *i2c) |
| Finalize and release an I2C interface. More... | |
| uint8_t | hw_i2c_count (void) |
| Get the total number of available I2C adapters. More... | |
| static bool | hw_i2c_valid (hw_i2c_t *i2c) |
| Get true if the I2C interface is valid. More... | |
| bool | hw_i2c_detect (hw_i2c_t *i2c, uint8_t addr) |
| Detect if an I2C device is present at the specified address. More... | |
| size_t | hw_i2c_xfr (hw_i2c_t *i2c, uint8_t addr, void *data, size_t tx, size_t rx, uint32_t timeout_ms) |
| Perform an I2C transfer operation (read, write, or combined). More... | |
| size_t | hw_i2c_read (hw_i2c_t *i2c, uint8_t addr, uint8_t reg, void *data, size_t len, uint32_t timeout_ms) |
| Read data from a specific register of an I2C device. More... | |
| size_t | hw_i2c_write (hw_i2c_t *i2c, uint8_t addr, uint8_t reg, const void *data, size_t len, uint32_t timeout_ms) |
| Write data to a specific register of an I2C device. More... | |
Detailed Description
I2C (Inter-Integrated Circuit) interface.
Definition in file i2c.h.