uint16_t*
mraa_spi_write_buf_word(mraa_spi_context dev, uint16_t* data, int length)
{
uint16_t* recv = malloc(sizeof(uint16_t) * length);
if (mraa_spi_transfer_buf_word(dev, data, recv, length) != MRAA_SUCCESS) {
free(recv);
return NULL;
}
return recv;
}
uint16_t*
mraa_spi_write_buf_word(mraa_spi_context dev, uint16_t* data, int length)
{
if (dev == NULL) {
syslog(LOG_ERR, "spi: write_buf_word: context is invalid");
return NULL;
}
uint16_t* recv = malloc(sizeof(uint16_t) * length);
if (mraa_spi_transfer_buf_word(dev, data, recv, length) != MRAA_SUCCESS) {
free(recv);
return NULL;
}
return recv;
}
/**
* Transfer data to and from SPI device Receive pointer may be null if
* return data is not needed.
*
* @param txBuf buffer to send
* @param rxBuf buffer to optionally receive data from spi device
* @param length size of buffer to send
* @return Result of operation
*/
Result
transfer_word(uint16_t* txBuf, uint16_t* rxBuf, int length)
{
return (Result) mraa_spi_transfer_buf_word(m_spi, txBuf, rxBuf, length);
}
