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I2C Class Reference
[Drivers]
An I2C Master, used for communicating with I2C slave devices. More...
#include <I2C.h>
Public Member Functions | |
I2C (PinName sda, PinName scl) | |
Create an I2C Master interface, connected to the specified pins. | |
void | frequency (int hz) |
Set the frequency of the I2C interface. | |
int | read (int address, char *data, int length, bool repeated=false) |
Read from an I2C slave. | |
int | read (int ack) |
Read a single byte from the I2C bus. | |
int | write (int address, const char *data, int length, bool repeated=false) |
Write to an I2C slave. | |
int | write (int data) |
Write single byte out on the I2C bus. | |
void | start (void) |
Creates a start condition on the I2C bus. | |
void | stop (void) |
Creates a stop condition on the I2C bus. | |
virtual void | lock (void) |
Acquire exclusive access to this I2C bus. | |
virtual void | unlock (void) |
Release exclusive access to this I2C bus. | |
int | transfer (int address, const char *tx_buffer, int tx_length, char *rx_buffer, int rx_length, const event_callback_t &callback, int event=I2C_EVENT_TRANSFER_COMPLETE, bool repeated=false) |
Start non-blocking I2C transfer. | |
void | abort_transfer () |
Abort the on-going I2C transfer. |
Detailed Description
An I2C Master, used for communicating with I2C slave devices.
Synchronization level: Thread safe
Example:
// Read from I2C slave at address 0x62 #include "mbed.h" I2C i2c(p28, p27); int main() { int address = 0x62; char data[2]; i2c.read(address, data, 2); }
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