Changeset 364 for asp3_tinet_ecnl_arm/trunk/asp3_dcre/mbed/hal/spi_api.h

Timestamp:

Feb 1, 2019, 9:57:09 PM (5 years ago)

Author:

coas-nagasima

Message:

TINETとSocket APIなどを更新

File:

• asp3_tinet_ecnl_arm/trunk/asp3_dcre/mbed/hal/spi_api.h (modified) (1 diff)

asp3_tinet_ecnl_arm/trunk/asp3_dcre/mbed/hal/spi_api.h

@@ -116 +116 @@
  */
 int  spi_master_write(spi_t *obj, int value);
+
+/** Write a block out in master mode and receive a value
+ *
+ *  The total number of bytes sent and received will be the maximum of
+ *  tx_length and rx_length. The bytes written will be padded with the
+ *  value 0xff.
+ *
+ * @param[in] obj        The SPI peripheral to use for sending
+ * @param[in] tx_buffer  Pointer to the byte-array of data to write to the device
+ * @param[in] tx_length  Number of bytes to write, may be zero
+ * @param[in] rx_buffer  Pointer to the byte-array of data to read from the device
+ * @param[in] rx_length  Number of bytes to read, may be zero
+ * @param[in] write_fill Default data transmitted while performing a read
+ * @returns
+ *      The number of bytes written and read from the device. This is
+ *      maximum of tx_length and rx_length.
+ */
+int spi_master_block_write(spi_t *obj, const char *tx_buffer, int tx_length, char *rx_buffer, int rx_length, char write_fill);
 
 /** Check if a value is available to read