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i2c_master_multi_buffer_transmit() function
Transmit multiple buffers of data over an I2C bus. This function transmits multiple buffers of data over an I2C bus using the specified I2C master device handle. It takes in an array of buffer information structures along with the size of the array and a transfer timeout value in milliseconds.
Syntax
esp_err_t i2c_master_multi_buffer_transmit(i2c_master_dev_handle_t i2c_dev,
i2c_master_transmit_multi_buffer_info_t *buffer_info_array,
size_t array_size,
int xfer_timeout_ms);
Implemented in ![]()
i2c_master.c:1157
Return value
- ESP_OK: I2C master transmit success - ESP_ERR_INVALID_ARG: I2C master transmit parameter invalid. - ESP_ERR_TIMEOUT: Operation timeout(larger than xfer_timeout_ms) because the bus is busy or hardware crash.
Related Functions
Found 9 other functions taking a ![]()
i2c_master_dev_t
argument:
Function
Description
I2C master bus delete device
Add I2C master BUS device.
Perform a write-read transaction on the I2C bus. The transaction will be undergoing until it finishes or it reaches the timeout provided.
Perform a write transaction on the I2C bus. The transaction will be undergoing until it finishes or it reaches the timeout provided.
Perform a read transaction on the I2C bus. The transaction will be undergoing until it finishes or it reaches the timeout provided.
Register I2C transaction callbacks for a master device