83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/**
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* @brief "Bottom" of native tty uart driver
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*
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* When built with the native_simulator this will be built in the runner context,
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* that is, with the host C library, and with the host include paths.
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*
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* Copyright (c) 2023 Marko Sagadin
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef DRIVERS_SERIAL_UART_NATIVE_TTY_BOTTOM_H
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#define DRIVERS_SERIAL_UART_NATIVE_TTY_BOTTOM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/* Below enums are just differently namespaced copies of uart_config_* enums. Options that are not
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* supported on the host are not listed.
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*/
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enum native_tty_bottom_parity {
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NTB_PARITY_NONE,
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NTB_PARITY_ODD,
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NTB_PARITY_EVEN,
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};
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enum native_tty_bottom_stop_bits {
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NTB_STOP_BITS_1,
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NTB_STOP_BITS_2,
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};
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enum native_tty_bottom_data_bits {
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NTB_DATA_BITS_5,
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NTB_DATA_BITS_6,
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NTB_DATA_BITS_7,
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NTB_DATA_BITS_8,
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};
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enum native_tty_bottom_flow_control {
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NTB_FLOW_CTRL_NONE,
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};
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struct native_tty_bottom_cfg {
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uint32_t baudrate;
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enum native_tty_bottom_parity parity;
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enum native_tty_bottom_stop_bits stop_bits;
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enum native_tty_bottom_data_bits data_bits;
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enum native_tty_bottom_flow_control flow_ctrl;
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};
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/* Note: None of these functions are public interfaces. They are internal to the native tty driver.
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*/
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/**
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* @brief Opens tty port on the given pathname
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*
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* Returned file descriptor can be then passed to native_tty_configure_bottom to configure it.
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*
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* @param pathname
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*
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* @return file descriptor
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*/
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int native_tty_open_tty_bottom(const char *pathname);
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/**
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* @brief Configure tty port
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*
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* @param fd File descriptor of the tty port.
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* @param cfg Configuration struct.
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*
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* @retval 0 if successful,
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* @retval -1 otherwise.
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*/
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int native_tty_configure_bottom(int fd, struct native_tty_bottom_cfg *cfg);
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#ifdef __cplusplus
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}
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#endif
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#endif /* DRIVERS_SERIAL_UART_NATIVE_TTY_BOTTOM_H */
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