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board/stm32f7: remove AI activations buffer reservation #22

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Merged
ozan956 merged 1 commit into from
Apr 13, 2026
Merged

board/stm32f7: remove AI activations buffer reservation #22

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12 changes: 2 additions & 10 deletions board/stm32f7/board_stm32f7_memory.c
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Original file line number Diff line number Diff line change
Expand Up @@ -17,16 +17,8 @@
// Reserve 512KB (0x80000) to be safe
#define CAMERA_LCD_FRAMEBUFFER_SIZE 0x80000 // 512KB reserved

// AI activations buffer at 0xC0080000 - 0xC01FFFFF (~1.5MB reserved)
// #define AI_ACTIVATIONS_RESERVED_SIZE 0x180000 // 1.5MB for AI model
#define AI_ACTIVATIONS_RESERVED_SIZE 0x0 // 0MB for AI model

// Memory pool starts AFTER Camera/LCD framebuffer AND AI activations to avoid overlap
// Memory layout: 0xC0000000: LCD (512KB) | 0xC0080000: AI (1.5MB) | 0xC0200000: embedDIP pool
// Dynamic image allocations start from 0xC0200000 onwards (~6MB remaining)
#define MEMORY_POOL_START_OFFSET (CAMERA_LCD_FRAMEBUFFER_SIZE + AI_ACTIVATIONS_RESERVED_SIZE)
#define MEMORY_POOL_SIZE (1024 * 1024 * 8 - MEMORY_POOL_START_OFFSET) // ~6MB
static uint8_t *memory_pool = ((uint8_t *)SDRAM_BANK_ADDR + MEMORY_POOL_START_OFFSET);
#define MEMORY_POOL_SIZE (1024 * 1024 * 8 - CAMERA_LCD_FRAMEBUFFER_SIZE) // ~6MB
static uint8_t *memory_pool = ((uint8_t *)SDRAM_BANK_ADDR + CAMERA_LCD_FRAMEBUFFER_SIZE);

typedef struct MemoryBlock {
size_t size;
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