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wave: add header

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This commit is contained in:
Paul Mathieu 2021-03-13 15:47:24 -08:00
parent 963cd1059e
commit 960c8956b2
1 changed files with 20 additions and 0 deletions
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wave/wave.h Normal file
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#pragma once
struct pdmout {
volatile uint16_t amplitude;
volatile uint16_t flags;
};
#define PDMOUT_FLAG_ENABLE_pos 0
#define PDMOUT_FLAG_ENABLE_msk (1 << PDMOUT_FLAG_ENABLE_pos)
struct square {
volatile uint16_t period;
volatile uint16_t high_val;
volatile uint16_t low_val;
volatile uint16_t output_address;
volatile uint16_t flags;
};
#define SQUARE_FLAG_ENABLE_pos 0
#define SQUARE_FLAG_ENABLE_msk (1 << SQUARE_FLAG_ENABLE_pos)