/* * Copyright (C) 2016 Freie Universität Berlin * * This file is subject to the terms and conditions of the GNU Lesser * General Public License v2.1. See the file LICENSE in the top level * directory for more details. */ /** * @ingroup boards_calliope-mini * @{ * * @file * @brief Calliope mini specific LED handling * * @author Hauke Petersen */ #ifndef MINI_H_ #define MINI_H_ #include #ifdef __cplusplus extern "C" { #endif /** * @brief Number of rows of the LED matrix */ #define MINI_MATRIX_ROWS (5U) /** * @brief Number of columns of the LED matrix */ #define MINI_MATRIX_COLS (5U) /** * @brief Initialize the Calliope mini's LED matrix */ void mini_matrix_init(void); /** * @brief Turn on a single LED in the LED matrix * * @param[in] row row of the LED * @param[in] col column of the LED */ void mini_matrix_on(uint8_t row, uint8_t col); /** * @brief Turn off a single LED in the LED matrix * * @param[in] row row of the LED * @param[in] col column of the LED */ void mini_matrix_off(uint8_t row, uint8_t col); /** * @brief Write the given 'image' to the LED matrix * * In the given buffer, each byte represents one LED in the matrix, hence the * buffer MUST be at least 25 byte wide. A byte value of `0` turns an LED off, * while any other value turns it on. * * @param[in] buf new data to display, MUST be at least 25 byte */ void mini_matrix_set_raw(const uint8_t *buf); /** * @brief Write the given character to the matrix, using the Mineplex font * * @param[in] c character to display */ void mini_matrix_set_char(char c); /** * @brief Shift the given string through the LED matrix * * @param[in] str string do display * @param[in] delay delay between each step [in us] */ void mini_matrix_shift_str(const char *str, uint32_t delay); #ifdef __cplusplus } #endif #endif /* MINI_H_ */ /** @} */