初始化提交

arduino-cli/libraries/RF24/utility/SPIDEV/spi.h

@@ -0,0 +1,93 @@
+/*
+ * File:   spi.h
+ * Author: Purinda Gunasekara <purinda@gmail.com>
+ *
+ * Created on 24 June 2012, 11:00 AM
+ */
+
+#ifndef SPI_H
+#define    SPI_H
+
+/**
+ * @file spi.h
+ * \cond HIDDEN_SYMBOLS
+ * Class declaration for SPI helper files
+ */
+
+/**
+* Example GPIO.h file
+*
+* @defgroup SPI SPI Example
+*
+* See RF24_arch_config.h for additional information
+* @{
+*/
+
+#include <inttypes.h>
+#include <stdexcept>
+
+#include "../../RF24_config.h"
+
+/** Specific excpetion for SPI errors */
+class SPIException : public std::runtime_error {
+public:
+    explicit SPIException(const std::string& msg)
+            :std::runtime_error(msg)
+    {
+    }
+};
+
+class SPI {
+
+public:
+
+    /**
+    * SPI constructor
+    */
+    SPI();
+
+    /**
+    * Start SPI
+    */
+    void begin(int busNo, uint32_t spi_speed = RF24_SPI_SPEED);
+
+    /**
+    * Transfer a single byte
+    * @param tx Byte to send
+    * @return Data returned via spi
+    */
+    uint8_t transfer(uint8_t tx);
+
+    /**
+    * Transfer a buffer of data
+    * @param tbuf Transmit buffer
+    * @param rbuf Receive buffer
+    * @param len Length of the data
+    */
+    void transfernb(char* tbuf, char* rbuf, uint32_t len);
+
+    /**
+    * Transfer a buffer of data without an rx buffer
+    * @param buf Pointer to a buffer of data
+    * @param len Length of the data
+    */
+    void transfern(char* buf, uint32_t len)
+    {
+        transfernb(buf, buf, len);
+    }
+
+    ~SPI();
+
+private:
+
+    int fd;
+    uint32_t _spi_speed;
+    bool spiIsInitialized = false;
+    void init(uint32_t spi_speed = RF24_SPI_SPEED);
+};
+
+/**
+ * \endcond
+ */
+/*@}*/
+#endif    /* SPI_H */