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Circular DMA buffer

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Attila Body 2020-12-01 21:54:43 +01:00
parent 731bba0f0e
commit 3f48d95efd
9 changed files with 72 additions and 79 deletions
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3
App/LedBuffers.h
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@ -13,7 +13,8 @@
extern pixel_t g_pixels[NUMPIXELS];
#define SPIBUFFER_SIZE (SPIBUFFER_PIXELS * sizeof(pixel_t) * 8 / 2)
#define SPIBUFFER_PIXEL_SIZE ( sizeof(pixel_t) * 4) // each raw pixel bit represented by 4 bits in SPI transfer
#define SPIBUFFER_SIZE (SPIBUFFER_PIXELS * SPIBUFFER_PIXEL_SIZE)
extern uint8_t g_spibuffer[2][SPIBUFFER_SIZE];