I2C (Inter-Integrated Circuit) interface. More...
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Macros | |
| #define | HW_I2C_BAUD_RATE 100000 |
| Fixed I2C baud rate in Hz, used for every bus on the Pico. More... | |
Functions | |
Lifecycle | |
| hw_deviceio_t * | hw_i2c_init_default (uint8_t addr) |
| Initialize an I2C interface using the platform default adapter and pins. More... | |
| hw_deviceio_t * | hw_i2c_init (uint8_t index, uint8_t addr, hw_gpio_t *sda_pin, hw_gpio_t *scl_pin) |
| Initialize an I2C interface with a specific adapter and pins. More... | |
| hw_deviceio_t * | hw_i2c_init_device (const char *device, uint8_t addr) |
| Initialize an I2C interface from a platform-specific device path. More... | |
Properties | |
| uint8_t | hw_i2c_count (void) |
| Get the total number of available I2C adapters. More... | |
Methods | |
| bool | hw_i2c_detect (hw_deviceio_t *device, uint8_t addr) |
| Probe whether any device acknowledges an address on a bus. More... | |
Detailed Description
I2C (Inter-Integrated Circuit) interface.
Definition in file i2c.h.