60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/** library to communicate with a Titan Micro TM1637 IC attached to a 4-digit 7-segment
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* @file
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* @author King Kévin <kingkevin@cuvoodoo.info>
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* @copyright SPDX-License-Identifier: GPL-3.0-or-later
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* @date 2017-2022
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* @note peripherals used: GPIO @ref led_tm1637_gpio, timer @ref led_tm1637_timer
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* @warning all calls are blocking
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*/
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#pragma once
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/** display brightness levels
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*/
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enum led_tm1637_brightness_t {
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LED_TM1637_1DIV16 = 0,
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LED_TM1637_2DIV16 = 1,
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LED_TM1637_4DIV16 = 2,
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LED_TM1637_10DIV16 = 3,
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LED_TM1637_11DIV16 = 4,
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LED_TM1637_12DIV16 = 5,
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LED_TM1637_13DIV16 = 6,
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LED_TM1637_14DIV16 = 7,
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};
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/** setup communication with TM1637 IC
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* @param[in] updown if the display is upside down
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*/
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void led_tm1637_setup(bool updown);
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/** switch display on
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* @return if transmission succeeded
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*/
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bool led_tm1637_on(void);
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/** switch display off
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* @return if transmission succeeded
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*/
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bool led_tm1637_off(void);
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/** set display brightness
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* @param[in] brightness brightness level to set
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* @return if transmission succeeded
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*/
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bool led_tm1637_brightness(enum led_tm1637_brightness_t brightness);
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/** display number
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* @param[in] number number to display (0-9999)
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* @param[in] zero pad number with zero on the left
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* @return if transmission succeeded
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*/
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bool led_tm1637_number(uint16_t number, bool zero);
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/** display time
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* @param[in] hours hours to display (0-99)
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* @param[in] minutes minutes to display (0-99)
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* @note display separator between hours and minutes
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* @return if transmission succeeded
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*/
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bool led_tm1637_time(uint8_t hours, uint8_t minutes);
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/** display text
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* @param[in] text text to display (4 characters)
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* @note use first bit of each character to enable dot
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* @return if transmission succeeded
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*/
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bool led_tm1637_text(char* text);
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