/**
 * @file
 * @brief Implementation of UART using STM32 HAL.
 */
#ifndef STA_CORE_STM32_UART_HPP
#define STA_CORE_STM32_UART_HPP


// Only enable module on STM32 platform w/ HAL UART module enabled
#include <sta/config.hpp>
#ifdef STA_PLATFORM_STM32
#  include <sta/devices/stm32/hal.hpp>
#  ifdef HAL_UART_MODULE_ENABLED
#    define STA_STM32_UART_ENABLED
#  endif // HAL_UART_MODULE_ENABLED
#endif // STA_PLATFORM_STM32


#if defined(STA_STM32_UART_ENABLED) || defined(DOXYGEN)

#include <sta/bus/uart/uart.hpp>


/**
 * @defgroup sta_core_stm32_uart UART
 * @ingroup sta_core_stm32
 * @brief STM32 UART module.
 */


namespace sta
{
    /**
     * @brief Implementation of UART interface using HAL.
     *
     * @ingroup sta_core_stm32_uart
     */
    class STM32UART : public UART
    {
    public:
        /**
         * @param handle    STM32 HAL handle
         * @param settings  UART settings
         * @param mutex     Mutex for thread safety
         */
        STM32UART(UART_HandleTypeDef * handle, UARTSettings & settings, Mutex * mutex);

        void transfer(uint8_t value) override;
		void transfer16(uint16_t value) override;
		void transfer(const uint8_t * buffer, size_t size) override;
		void receive(uint8_t * buffer, size_t size) override;

		void fill(uint8_t value, size_t count) override;
    private:
        UART_HandleTypeDef * handle_;   /**< STM32 HAL handle */
    };
} // namespace sta


#endif // STA_STM32_UART_ENABLED

#endif // STA_CORE_STM32_UART_HPP