root / lab4 / utils.h @ 91
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1 | 68 | up20180642 | #ifndef UTILS_H_INCLUDED
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2 | #define UTILS_H_INCLUDED
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3 | |||
4 | 90 | up20180655 | /**
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5 | * @brief Gets the least significant byte of a 16-bit variable
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6 | * @param val 16-bit variable
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7 | * @param lsb Pointer to a 8-bit variable to store the value of the LSB
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8 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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9 | */
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10 | 68 | up20180642 | int(util_get_LSB)(uint16_t val, uint8_t *lsb);
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11 | |||
12 | 90 | up20180655 | /**
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13 | * @brief Gets the most significant byte of a 16-bit variable
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14 | * @param val 16-bit variable
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15 | * @param lsb Pointer to a 8-bit variable to store the value of the MSB
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16 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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17 | */
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18 | 68 | up20180642 | int(util_get_MSB)(uint16_t val, uint8_t *msb);
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19 | |||
20 | #ifdef LAB3
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21 | uint32_t sys_inb_counter; |
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22 | #endif
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23 | |||
24 | 90 | up20180655 | /**
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25 | * @brief sys_inb wrapper
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26 | * @param port Port to read from
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27 | * @param value Pointer to byte to store value read
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28 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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29 | */
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30 | 68 | up20180642 | int (util_sys_inb)(int port, uint8_t *value); |
31 | |||
32 | #endif //UTILS_H_INCLUDED |