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Adjust sound volume with select+up/down & add DMG color palette

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This commit is contained in:
Vincent Mistler
2022-12-17 16:37:47 +01:00
parent 0226b24c7b
commit 4a0516a7ae
5 changed files with 166 additions and 62 deletions
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ext/i2s/i2s.h
+5 -2
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@@ -42,11 +42,14 @@ typedef struct i2s_config
uint8_t dma_channel;
uint16_t dma_trans_count;
uint16_t *dma_buf;
uint8_t volume;
} i2s_config_t;
i2s_config_t i2s_get_default_config(void);
void i2s_init(i2s_config_t *i2s_config);
void i2s_write(const i2s_config_t *i2s_config,const int16_t *samples,const size_t len);
void i2s_dma_write(i2s_config_t *i2s_config,const int16_t *samples);
void i2s_dma_write(i2s_config_t *i2s_config,const int16_t *samples);
void i2s_volume(i2s_config_t *i2s_config,uint8_t volume);
void i2s_increase_volume(i2s_config_t *i2s_config);
void i2s_decrease_volume(i2s_config_t *i2s_config);