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94 lines
2.7 KiB
94 lines
2.7 KiB
/*
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MY9291 LED Driver Arduino library 0.1.0
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Copyright (c) 2016 - 2026 MaiKe Labs
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Copyright (C) 2017 - Xose Pérez
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _my9291_h
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#define _my9291_h
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#include <Arduino.h>
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typedef enum my9291_cmd_one_shot_t {
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MY9291_CMD_ONE_SHOT_DISABLE = 0X00,
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MY9291_CMD_ONE_SHOT_ENFORCE = 0X01,
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} my9291_cmd_one_shot_t;
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typedef enum my9291_cmd_reaction_t {
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MY9291_CMD_REACTION_FAST = 0X00,
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MY9291_CMD_REACTION_SLOW = 0X01,
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} my9291_cmd_reaction_t;
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typedef enum my9291_cmd_bit_width_t {
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MY9291_CMD_BIT_WIDTH_16 = 0X00,
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MY9291_CMD_BIT_WIDTH_14 = 0X01,
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MY9291_CMD_BIT_WIDTH_12 = 0X02,
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MY9291_CMD_BIT_WIDTH_8 = 0X03,
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} my9291_cmd_bit_width_t;
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typedef enum my9291_cmd_frequency_t {
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MY9291_CMD_FREQUENCY_DIVIDE_1 = 0X00,
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MY9291_CMD_FREQUENCY_DIVIDE_4 = 0X01,
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MY9291_CMD_FREQUENCY_DIVIDE_16 = 0X02,
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MY9291_CMD_FREQUENCY_DIVIDE_64 = 0X03,
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} my9291_cmd_frequency_t;
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typedef enum my9291_cmd_scatter_t {
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MY9291_CMD_SCATTER_APDM = 0X00,
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MY9291_CMD_SCATTER_PWM = 0X01,
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} my9291_cmd_scatter_t;
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typedef struct {
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my9291_cmd_scatter_t scatter:1;
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my9291_cmd_frequency_t frequency:2;
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my9291_cmd_bit_width_t bit_width:2;
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my9291_cmd_reaction_t reaction:1;
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my9291_cmd_one_shot_t one_shot:1;
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unsigned char resv:1;
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} __attribute__ ((aligned(1), packed)) my9291_cmd_t;
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#define MY9291_COMMAND_DEFAULT { \
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.scatter = MY9291_CMD_SCATTER_APDM, \
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.frequency = MY9291_CMD_FREQUENCY_DIVIDE_1, \
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.bit_width = MY9291_CMD_BIT_WIDTH_8, \
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.reaction = MY9291_CMD_REACTION_FAST, \
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.one_shot = MY9291_CMD_ONE_SHOT_DISABLE, \
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.resv = 0 \
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}
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class my9291 {
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public:
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my9291(unsigned char di, unsigned char dcki, my9291_cmd_t command);
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void send(unsigned int duty_r, unsigned int duty_g, unsigned int duty_b, unsigned int duty_w);
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private:
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void _di_pulse(unsigned int times);
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void _dcki_pulse(unsigned int times);
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void _set_cmd(my9291_cmd_t command);
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my9291_cmd_t _command;
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unsigned char _pin_di;
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unsigned char _pin_dcki;
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};
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#endif
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