Added some buxfixes to spi code

include/sta/config.hpp

@@ -0,0 +1,11 @@
+#ifndef STA_CONFIG
+#define STA_CONFIG
+
+// Use the raspberry pi for this project.
+#include <sta/raspi/mcu/common.hpp>
+
+// #define DEBUG
+#define STA_PRINTF_USE_STDLIB
+#define STA_DEBUG_PRINTF
+
+#endif

include/sta/printable.hpp

@@ -70,14 +70,6 @@ namespace sta
      */
     void print(uint32_t num, IntegerBase base = IntegerBase::DEC);
 
-    /**
-     * @brief Print integer in selected base.
-     *
-     * @param num   Integer
-     * @param base  Integer base
-     */
-    void print(size_t num, IntegerBase base = IntegerBase::DEC);
-    
     /**
      * @brief Print c-string.
      *
@@ -143,14 +135,6 @@ namespace sta
      */
     void println(uint32_t num, IntegerBase base = IntegerBase::DEC);
 
-    /**
-     * @brief Print integer in selected base followed by a new-line.
-     *
-     * @param num   Integer
-     * @param base  Integer base
-     */
-    void println(size_t num, IntegerBase base = IntegerBase::DEC);
-
     /**
      * @brief Print c-string followed by a new-line.
      *

include/sta/raspi/delay.hpp

@@ -0,0 +1,44 @@
+/**
+ * @file
+ * @brief Delay functions.
+ *
+ * Configuration:
+ *   * STA_RASPI_DELAY_US_TIM: 1 MHz TIM instance used by sta::delayUs
+ *
+ * NOTE: TIM time base must be started before use of sta::delayUs by calling sta::initHAL.
+ *       When using startup system task this is handled automatically.
+ */
+#ifndef STA_CORE_RASPI_DELAY_HPP
+#define STA_CORE_RASPI_DELAY_HPP
+
+
+// Only enable module on RASPI platform
+#include <sta/config.hpp>
+
+
+#if defined(STA_PLATFORM_RASPI) || defined(DOXYGEN)
+
+#include <cstdint>
+
+
+namespace sta
+{
+    /**
+     * @brief Millisecond delay.
+     *
+     * @param ms    Milliseconds
+     */
+    void delayMs(uint32_t ms);
+
+    /**
+     * @brief Microsecond delay.
+     *
+     * @param us    Microseconds
+     */
+    void delayUs(uint32_t us);
+} // namespace sta
+
+
+#endif // STA_PLATFORM_RASPI
+
+#endif // STA_CORE_RASPI_DELAY_HPP

include/sta/raspi/gpio_pin.hpp

@@ -37,12 +37,6 @@ namespace sta
         uint8_t pin_;
         GpioMode mode_;
     };
-
-    class DummyGpioPin : public RaspiGpioPin {
-        DummyGpioPin();
-
-        void setState(GpioPinState state) override;
-    };
 } // namespace sta
 
 #endif // STA_RASPI_GPIO_ENABLED

include/sta/raspi/spi.hpp

@@ -36,9 +36,15 @@ namespace sta
         int spifd_;
         bool open_;
         const bool persistent_open_;
+        SPISettings settings_;
+
+        uint8_t mode_;
+        uint8_t dataSize_;
+        uint8_t bitOrder_;
+        uint32_t clkSpeed_;
 
         void update_setting(int setting, int value);
-        int get_setting(int setting, void * rslt_ptr);
+        void get_setting(int setting, void * rslt_ptr);
         void update_settings();
     };
 

include/sta/spi/spi.hpp

@@ -81,8 +81,7 @@ namespace sta
          *
          * @return %SPI settings
          */
-        const SPISettings & settings() const;
-
+        const SPISettings & settings();
 
         /**
          * @brief Acquire usage rights to use the interface.