rtos_hw_spi.h

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#pragma once
 
#include "hardware/spi.h"
#include "hw/spi/hw_spi.h"
#include "hw/dma/hw_dma.h"
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"
 
#include "pico/stdlib.h"
#include <cstdint>

struct struct_TX_DataQueueSPI
{
  void *data;
  size_t length;
};

class rtos_HW_SPI_Master : public HW_SPI_Master
{
private:
public:
  HW_DMA *dma_rx;

  HW_DMA *dma_tx;

  rtos_HW_SPI_Master(struct_ConfigMasterSPI master_config,
                     irq_num_t dma_tx_irq_number = DMA_IRQ_0, irq_handler_t dma_tx_irq_handler = nullptr,
                     irq_num_t dma_rx_irq_number = DMA_IRQ_1, irq_handler_t dma_rx_irq_handler = nullptr);
  ~rtos_HW_SPI_Master();

  int burst_write_8(uint8_t *src, size_t len) override;

  int burst_write_16(uint16_t *src, size_t len) override;
  int repeat_write_16(uint16_t *src, size_t len);

  int burst_read_16(uint16_t *dst, size_t len);

  int burst_write_read_8(uint8_t *src, uint8_t *dest, size_t len) override;

  int burst_read_8(uint8_t repeated_tx_data, uint8_t *dest, size_t len);

  void spi_tx_dma_isr();

  void spi_rx_dma_isr();
};