mirror of https://github.com/ArduPilot/ardupilot
96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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#ifndef __AP_HAL_SITL_UART_DRIVER_H__
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#define __AP_HAL_SITL_UART_DRIVER_H__
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#include <AP_HAL/AP_HAL.h>
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#if CONFIG_HAL_BOARD == HAL_BOARD_SITL
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#include <stdint.h>
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#include <stdarg.h>
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#include "AP_HAL_SITL_Namespace.h"
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class HALSITL::SITLUARTDriver : public AP_HAL::UARTDriver {
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public:
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friend class HALSITL::SITL_State;
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SITLUARTDriver(const uint8_t portNumber, SITL_State *sitlState) {
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_portNumber = portNumber;
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_rxSpace = _default_rx_buffer_size;
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_txSpace = _default_tx_buffer_size;
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_sitlState = sitlState;
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_fd = -1;
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_listen_fd = -1;
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}
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/* Implementations of UARTDriver virtual methods */
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void begin(uint32_t b) {
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begin(b, 0, 0);
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}
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void begin(uint32_t b, uint16_t rxS, uint16_t txS);
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void end();
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void flush();
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bool is_initialized() {
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return true;
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}
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void set_blocking_writes(bool blocking)
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{
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_nonblocking_writes = !blocking;
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}
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bool tx_pending() {
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return false;
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}
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/* Implementations of Stream virtual methods */
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int16_t available();
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int16_t txspace();
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int16_t read();
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/* Implementations of Print virtual methods */
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size_t write(uint8_t c);
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size_t write(const uint8_t *buffer, size_t size);
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// file descriptor, exposed so SITL_State::loop_hook() can use it
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int _fd;
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private:
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uint8_t _portNumber;
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bool _connected; // true if a client has connected
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int _listen_fd; // socket we are listening on
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int _serial_port;
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static bool _console;
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bool _nonblocking_writes;
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uint16_t _rxSpace;
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uint16_t _txSpace;
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// IPv4 address of target for uartC
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const char *_tcp_client_addr;
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void _tcp_start_connection(bool wait_for_connection);
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void _tcp_start_client(const char *address);
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void _check_connection(void);
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static bool _select_check(int );
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static void _set_nonblocking(int );
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/// default receive buffer size
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static const uint16_t _default_rx_buffer_size = 128;
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/// default transmit buffer size
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static const uint16_t _default_tx_buffer_size = 16;
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/// maxium tx/rx buffer size
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/// @note if we could bring the max size down to 256, the mask and head/tail
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/// pointers in the buffer could become uint8_t.
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///
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static const uint16_t _max_buffer_size = 512;
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SITL_State *_sitlState;
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};
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#endif
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#endif // __AP_HAL_SITL_UART_DRIVER_H__
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