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SPI2Slave_T4/SPI2Slave_T4.h

@@ -0,0 +1,49 @@
+#if !defined(_SPI2Slave_T4_H_)
+#define _SPI2Slave_T4_H_
+
+#include <Arduino.h>
+#include <circular_buffer.h>
+#include <SPI.h>
+
+typedef enum SPI_BITS {
+  SPI_8_BITS = 8,
+  SPI_16_BITS = 16,
+  SPI_32_BITS = 32,
+} SPI_BITS;
+
+typedef void (*_SPI_ptr)();
+
+#define SPI2Slave_T4_CLASS template<SPIClass* port = nullptr, SPI_BITS bits = SPI_8_BITS>
+#define SPI2Slave_T4_FUNC template<SPIClass* port, SPI_BITS bits>
+#define SPI2Slave_T4_OPT SPI2Slave_T4<port, bits>
+
+extern SPIClass SPI;
+
+class SPI2Slave_T4_Base {
+  public:
+    virtual void SLAVE_ISR();
+};
+
+static SPI2Slave_T4_Base* _LPSPI1 = nullptr;
+
+SPI2Slave_T4_CLASS class SPI2Slave_T4 : public SPI2Slave_T4_Base {
+  public:
+    SPI2Slave_T4();
+    void begin();
+    uint32_t transmitErrors();
+    void onReceive(_SPI_ptr handler) { _spihandler = handler; }
+    bool active();
+    bool available();
+    void pushr(uint32_t data);
+    uint32_t popr();
+
+  private:
+    _SPI_ptr _spihandler = nullptr;
+    void SLAVE_ISR();
+    int _portnum = 0;
+    uint32_t nvic_irq = 0;
+    uint32_t transmit_errors = 0;
+};
+
+#include "SPI2Slave_T4.tpp"
+#endif