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#include  <stdio.h>
#include <stdint.h>
 
#define NUM_SAMPLES 8
#define DMA_DATA_ALIGN_LSB 0
#define DMA_DATA_ALIGN_MSB 1
 
int main() {
    // Simulated 16-bit input data
    uint16_t input_data[NUM_SAMPLES] = {0x1234, 0xABCD, 0x00FF, 0x8001, 0x5678, 0xFFFF, 0x0001, 0x7FFF};
 
    // Output buffer for 32-bit converted data
    uint32_t output_data[NUM_SAMPLES];
 
    // Simulated DMA alignment setting
    uint16_t dma_data_align = DMA_DATA_ALIGN_MSB;  // Change to DMA_DATA_ALIGN_LSB to test other case
    uint16_t shift_factor = (dma_data_align == DMA_DATA_ALIGN_LSB) ? 0 : 16;
 
    // Conversion loop
    for (int i = 0; i < NUM_SAMPLES; i++) {
        uint16_t src = input_data[i];
        uint32_t converted = ((uint32_t)src) << shift_factor;
        output_data[i] = converted;
 
        // Print results
        printf("Sample %d: 16-bit = 0x%04X → 32-bit = 0x%08X\n", i, src, converted);
    }
 
    return 0;
}
 
 

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NDU=

45