2024-04-13 19:31:13 +02:00

108 lines
3.5 KiB
C++

#ifndef STA_CORE_ARDUINO_SPI_HPP
#define STA_CORE_ARDUINO_SPI_HPP
#include <sta/config.hpp>
#ifdef STA_PLATFORM_ARDUINO
#include <sta/bus/spi/device.hpp>
#include <sta/bus/spi/spi.hpp>
#include <sta/devices/arduino/gpio_pin.hpp>
#include <sta/devices/arduino/hal.hpp>
namespace sta
{
#ifdef STA_PLATFORM_ARDUINO_DEVICE_ESP32
enum SPIBus
{
BUS_HSPI = HSPI,
BUS_FSPI = FSPI
# ifndef STA_MCU_ESP32_S3
, BUS_VSPI = VSPI
# endif // STA_MCU_ESP32_S3
};
#endif // STA_PLATFORM_ARDUINO_DEVICE_ESP32
class ArduinoSPI : public SPI
{
public:
#ifdef STA_PLATFORM_ARDUINO_DEVICE_ESP32
/**
* @brief
*
* @param settings
* @param mutex
* @param mosi
* @param miso
* @param clk
* @return ArduinoSPI
*/
static ArduinoSPI getHSPI(
const SPISettings & settings,
Mutex * mutex = sta::Mutex::ALWAYS_FREE,
uint8_t mosi = STA_ESP32_HSPI_MOSI_DEFAULT,
uint8_t miso = STA_ESP32_HSPI_MISO_DEFAULT,
uint8_t clk = STA_ESP32_HSPI_CLK_DEFAULT);
/**
* @brief
*
* @param settings
* @param mutex
* @param mosi
* @param miso
* @param clk
* @return ArduinoSPI
*/
static ArduinoSPI getFSPI(
const SPISettings & settings,
Mutex * mutex = sta::Mutex::ALWAYS_FREE,
uint8_t mosi = STA_ESP32_HSPI_MOSI_DEFAULT,
uint8_t miso = STA_ESP32_HSPI_MISO_DEFAULT,
uint8_t clk = STA_ESP32_HSPI_CLK_DEFAULT);
private:
/**
* @brief Construct an SPI bus interface using the Arduino framework. This constructor is used for ESP32.
*
* @param settings The settings for the spi bus. s
* @param mosi The master-out-slave-in pin.
* @param miso The master-in-slave-out pin.
* @param clk The clock used for synchronizing the bus communication.
* @param bus The bus to use. One of HSPI or FSPI.
* @param mutex A mutex for managing bus access in multithreaded applications. Default is a dummy mutex that is always free.
*/
ArduinoSPI(const SPISettings & settings, SPIBus bus, uint8_t mosi, uint8_t miso, uint8_t clk, Mutex * mutex = sta::Mutex::ALWAYS_FREE);
#else
/**
* @brief Construct an SPI bus interface using the Arduino framework.
*
* @param settings The settings for the spi bus.
* @param mutex A mutex for managing bus access in multithreaded applications. Default is a dummy mutex that is always free.
*/
ArduinoSPI(const SPISettings & settings, Mutex * mutex = sta::Mutex::ALWAYS_FREE);
#endif // !STA_PLATFORM_ARDUINO_DEVICE_ESP32
public:
void transfer(uint8_t value) override;
void transfer16(uint16_t value) override;
void transfer(const uint8_t * buffer, size_t size) override;
void transfer(const uint8_t * txBuffer, uint8_t * rxBuffer, size_t size) override;
void receive(uint8_t * buffer, size_t size) override;
void fill(uint8_t value, size_t count) override;
void acquire() override;
void release() override;
private:
SPIClass spi_;
};
class ArduinoSPIDevice : public SPIDevice
{
public:
ArduinoSPIDevice(ArduinoSPI * intf, ArduinoGpioPin * csPin);
};
} // namespace sta
#endif // STA_PLATFORM_ARDUINO
#endif // STA_CORE_ARDUINO_SPI_HPP