73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#ifndef DISPLAY_H
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#define DISPLAY_H
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/**
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* @brief Initializes all display elements and adds them to the canvas.
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*
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* @return int
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*/
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int init_display();
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/**
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* @brief Updates all information on the display using the get functions, defined by `display.c`. Alternatively the
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* values of the displayed elements can be set explicitly via set `display_set_<property>`-functions.
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*
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* @return int
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*/
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int update_display();
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/**
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* @brief This is the entry point for the display thread. It peridocially updates the display and handles input events.
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*
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*/
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void display_thread(void*, void*, void*);
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/**
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* @brief Displays a message at the bottom of the display. The message will persist until it is removed expicitly, by calling `display_set_message("")`.
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*
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* @param msg A pointer to the string that should be displayed
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* @return int
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*/
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int display_set_message(char* msg);
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/**
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* @brief Sets the on display clock. The time should have the format `h * 100 + m`. So `display_set_time(1145)` sets the clock to 11:45.
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*
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* @param time A number representation of the time
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* @return int
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*/
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int display_set_time(int time);
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/**
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* @brief Set the battery level percentage.
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*
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* @param bat The battery level in percent
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* @return int
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*/
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int display_set_bat(int bat);
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/**
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* @brief Set the non-volatile memory state.
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*
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* @param mem The occupied memory in percent
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* @return int
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*/
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int display_set_mem(int mem);
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/**
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* @brief Set the number of total registered contacts in the last 14 days.
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*
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* @param contacts The number of contacts
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* @return int
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*/
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int display_set_contacts(int contacts);
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/**
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* @brief Set the number of contacts that were tested positively on Covid and registered in the last 14 days.
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*
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* @param risk_contacts The number of risk contacts
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* @return int
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*/
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int display_set_risk_contacts(int risk_contacts);
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#endif |