Working on SPI

Author: Leonid Kabanov

SPI.cpp

@@ -132,6 +132,17 @@ void SPI::transfer(uint8_t* data, size_t dataLen) {
 	}
 } // transmit
 
+void SPI::transfer2(uint8_t* txData, uint8_t* rxData, size_t dataLen) {
+	spi_transaction_t trans_desc;
+	//trans_desc.address   = 0;
+	//trans_desc.command   = 0;
+	trans_desc.flags     = 0;
+	trans_desc.length    = dataLen * 8;
+	trans_desc.rxlength  = 0;
+	trans_desc.tx_buffer = txData;
+	trans_desc.rx_buffer = rxData;
+} // transmit
+
 
 /**
  * @brief Send and receive a single byte.

SPI.h

@@ -23,6 +23,7 @@ class SPI {
 		int csPin   = DEFAULT_CS_PIN);
 	void    setHost(spi_host_device_t host);
 	void    transfer(uint8_t* data, size_t dataLen);
+	void    transfer2(uint8_t* txData, uint8_t* rxData, size_t dataLen);
 	uint8_t transferByte(uint8_t value);
 
 	/**