13 lines
595 B
C
13 lines
595 B
C
#ifndef SET_WAVE_F407_H
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#define SET_WAVE_F407_H
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#include "../../include/set_wavegen.h"
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/* Owns PA4, DAC channel 1, TIM6 and DMA1 stream 5/channel 7.
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* timer_hz is TIM6 input clock (twice APB1 when APB1 prescaler !=1).
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* Rate: 1..SET_WAVE_MAX_RATE (1 MS/s), exact divisors of timer_hz only.
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* Context and sample buffer must outlive playback; buffer must be in SRAM. */
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typedef struct { uint32_t timer_hz; } set_wave_f407;
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set_wave_port set_wave_f407_port(set_wave_f407 *context);
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/* Nonzero on DMA error or DAC underrun; caller stops state on failure. */
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int set_wave_f407_fault(void);
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#endif
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