sforkowany z mirror/RS41ng
30 wiersze
811 B
C
30 wiersze
811 B
C
#ifndef __PWM_H
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#define __PWM_H
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#include <stddef.h>
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#include <stdbool.h>
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#define PWM_TIMER_DMA_BUFFER_SIZE 256
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void pwm_data_timer_init();
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void pwm_data_timer_dma_request_enable(bool enabled);
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void pwm_timer_init(uint32_t frequency_hz_100);
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void pwm_timer_pwm_enable(bool enabled);
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void pwm_timer_use(bool use);
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void pwm_timer_uninit();
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uint16_t pwm_calculate_period(uint32_t frequency_hz_100);
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void pwm_timer_set_frequency(uint32_t frequency_hz_100);
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void pwm_dma_init();
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void pwm_dma_interrupt_enable(bool enabled);
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void pwm_dma_start();
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void pwm_dma_stop();
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extern size_t (*pwm_handle_dma_transfer_half)(size_t buffer_size, uint16_t *buffer);
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extern size_t (*pwm_handle_dma_transfer_full)(size_t buffer_size, uint16_t *buffer);
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extern uint16_t pwm_timer_dma_buffer[PWM_TIMER_DMA_BUFFER_SIZE];
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#endif
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