root / proj / include / uart.h @ 242
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1 | 235 | up20180642 | #ifndef UART_H_INCLUDED
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2 | #define UART_H_INCLUDED
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3 | |||
4 | #include "uart_macros.h" |
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5 | |||
6 | typedef struct { |
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7 | 242 | up20180642 | int base_addr ;
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8 | uint8_t lcr ; |
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9 | uint8_t dll ; |
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10 | uint8_t dlm ; |
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11 | uint8_t bits_per_char ; |
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12 | uint8_t stop_bits ; |
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13 | uint8_t parity ; |
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14 | uint8_t break_control :1;
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15 | uint8_t dlab :1;
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16 | uint16_t divisor_latch ; |
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17 | uint8_t ier ; |
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18 | uint8_t received_data_int :1;
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19 | uint8_t transmitter_empty_int :1;
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20 | uint8_t receiver_line_stat_int:1;
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21 | uint8_t modem_stat_int :1;
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22 | 235 | up20180642 | } uart_config; |
23 | |||
24 | int uart_get_config(int base_addr, uart_config *config); |
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25 | void uart_parse_config(uart_config *config);
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26 | void uart_print_config(uart_config config);
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27 | |||
28 | int uart_enable_divisor_latch (int base_addr); |
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29 | int uart_disable_divisor_latch(int base_addr); |
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30 | |||
31 | int uart_write_config (int base_addr, uint8_t config ); |
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32 | int uart_set_bits_per_character(int base_addr, uint8_t bits_per_char); |
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33 | int uart_set_stop_bits (int base_addr, uint8_t stop ); |
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34 | int uart_set_parity (int base_addr, uart_parity par ); |
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35 | int uart_set_bit_rate (int base_addr, float bit_rate ); |
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36 | |||
37 | #endif //UART_H_INCLUDED |