essl_get_rx_data_size() function
Get the size, in bytes, of the data that the ESSL slave is ready to send
Arguments
handle
Handle of an ESSL device.
out_rx_size
Output of data size to read from slave, in bytes
wait_ms
Millisecond to wait before timeout, will not wait at all if set to 0-9.
Return value
- ESP_OK: Success - ESP_ERR_NOT_SUPPORTED: This API is not supported in this mode - One of the error codes from SDMMC/SPI host controller
essl_get_rx_data_size() calls 2 functions:
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essl_get_rx_data_size()
essl_get_rx_data_size() reads 3 variables:
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essl_get_rx_data_size()