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SemiDrive SSDK Appication Program Interface PTG3.0
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#include <sdrv_i2s.h>
Data Fields | |
| uint8_t * | addr |
| uint32_t | buffer_bytes |
| uint32_t | period_bytes |
| uint32_t | periods |
| uint32_t | appl_ptr |
| uint32_t | hw_ptr |
| uint32_t | boundary |
| uint8_t* addr |
dma mode ,buffer address
| uint32_t appl_ptr |
app write pointer during playback, dma read pointer during capture
| uint32_t boundary |
dma buff boundary
| uint32_t buffer_bytes |
buffer size
| uint32_t hw_ptr |
dma read pointer during playback, dma write pointer during capture
| uint32_t period_bytes |
one period size
| uint32_t periods |
period count
1.9.4