ch32_uart.hpp

#pragma once
 
#include "libxr.hpp"
#include DEF2STR(LIBXR_CH32_CONFIG_FILE)
 
#include "ch32_uart_def.hpp"
#include "double_buffer.hpp"
#include "libxr_def.hpp"
#include "libxr_rw.hpp"
#include "uart.hpp"
 
namespace LibXR
{
 
class CH32UART : public UART
{
 public:
  CH32UART(ch32_uart_id_t id, RawData dma_rx, RawData dma_tx, GPIO_TypeDef* tx_gpio_port,
           uint16_t tx_gpio_pin, GPIO_TypeDef* rx_gpio_port, uint16_t rx_gpio_pin,
           uint32_t pin_remap = 0, uint32_t tx_queue_size = 5,
           UART::Configuration config = {115200, UART::Parity::NO_PARITY, 8, 1});
 
  ErrorCode SetConfig(UART::Configuration config);
 
  static ErrorCode WriteFun(WritePort& port, bool in_isr);
  static ErrorCode ReadFun(ReadPort& port, bool in_isr);
 
  void TxDmaIRQHandler();
  void RxDmaIRQHandler();
 
  ch32_uart_id_t id_;
  uint16_t uart_mode_;
 
  ReadPort _read_port;
  WritePort _write_port;
 
  RawData dma_buff_rx_;
  DoubleBuffer dma_buff_tx_;
  WriteInfoBlock write_info_active_;
 
  size_t last_rx_pos_ = 0;
 
  USART_TypeDef* instance_;
  DMA_Channel_TypeDef* dma_rx_channel_;
  DMA_Channel_TypeDef* dma_tx_channel_;
 
  Flag::Plain in_tx_isr, tx_busy_;
 
  static CH32UART* map_[CH32_UART_NUMBER];
};
 
}  // namespace LibXR