68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/*
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* Generic PWM controller ops
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*
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* Copyright (C) 2019 - 2020 Andy Green <andy@warmcat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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typedef struct lws_pwm_map {
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_lws_plat_gpio_t gpio;
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uint8_t index;
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uint8_t active_level;
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} lws_pwm_map_t;
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typedef struct lws_pwm_ops {
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int (*init)(const struct lws_pwm_ops *lo);
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void (*intensity)(const struct lws_pwm_ops *lo, _lws_plat_gpio_t gpio,
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lws_led_intensity_t inten);
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const lws_pwm_map_t *pwm_map;
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uint8_t count_pwm_map;
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} lws_pwm_ops_t;
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LWS_VISIBLE LWS_EXTERN int
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lws_pwm_plat_init(const struct lws_pwm_ops *lo);
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LWS_VISIBLE LWS_EXTERN void
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lws_pwm_plat_intensity(const struct lws_pwm_ops *lo, _lws_plat_gpio_t gpio,
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lws_led_intensity_t inten);
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#define lws_pwm_plat_ops \
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.init = lws_pwm_plat_init, \
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.intensity = lws_pwm_plat_intensity
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/*
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* May be useful for making your own transitions or sequences
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*/
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LWS_VISIBLE LWS_EXTERN lws_led_intensity_t
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lws_led_func_linear(lws_led_seq_phase_t n);
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LWS_VISIBLE LWS_EXTERN lws_led_intensity_t
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lws_led_func_sine(lws_led_seq_phase_t n);
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/* canned sequences that can work out of the box */
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extern const lws_led_sequence_def_t lws_pwmseq_sine_endless_slow,
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lws_pwmseq_sine_endless_fast,
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lws_pwmseq_linear_wipe,
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lws_pwmseq_sine_up, lws_pwmseq_sine_down,
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lws_pwmseq_static_on,
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lws_pwmseq_static_half,
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lws_pwmseq_static_off;
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