root / lab2 / include / utils.h @ 233
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#ifndef UTILS_H_INCLUDED
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#define UTILS_H_INCLUDED
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/**
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* @brief Gets the least significant byte of a 16-bit variable
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* @param val 16-bit variable
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* @param lsb Pointer to a 8-bit variable to store the value of the LSB
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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*/
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int(util_get_LSB)(uint16_t val, uint8_t *lsb);
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/**
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* @brief Gets the most significant byte of a 16-bit variable
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* @param val 16-bit variable
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* @param lsb Pointer to a 8-bit variable to store the value of the MSB
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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*/
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int(util_get_MSB)(uint16_t val, uint8_t *msb);
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#ifdef LAB3
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uint32_t sys_inb_counter; |
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#endif
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/**
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* @brief sys_inb wrapper
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* @param port Port to read from
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* @param value Pointer to byte to store value read
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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*/
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int (util_sys_inb)(int port, uint8_t *value); |
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/**
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* @brief Unsubcribes Interrupts
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* @param interrupt_id Interrupt ID, value via arguments on subscription of the interrupt_id
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* @see subscribe_kbc_interrupt, subscribe_timer_interrupt
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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*/
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int (unsubscribe_interrupt)(int *interrupt_id); |
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/**
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* @brief Gets the minimum value out of two values.
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* @param a First value
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* @param b Second value
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* @return The minimum of the two values
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*/
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int32_t min(int32_t a, int32_t b); |
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/**
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* @brief Gets the maximum value out of two values.
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* @param a First value
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* @param b Second value
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* @return The maximum of the two values
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*/
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int32_t max(int32_t a, int32_t b); |
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#endif //UTILS_H_INCLUDED |