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https://github.com/grymoire/i2c_puppet-Linux.git
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23 lines
425 B
C
23 lines
425 B
C
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#include "backlight.h"
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#include "reg.h"
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#include <hardware/pwm.h>
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#include <pico/stdlib.h>
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void backlight_sync(void)
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{
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pwm_set_gpio_level(PIN_BKL, reg_get_value(REG_ID_BKL) * 0x80);
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}
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void backlight_init(void)
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{
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gpio_set_function(PIN_BKL, GPIO_FUNC_PWM);
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const uint slice_num = pwm_gpio_to_slice_num(PIN_BKL);
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pwm_config config = pwm_get_default_config();
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pwm_init(slice_num, &config, true);
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backlight_sync();
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}
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