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Decode Status Register into Human-Readable Flags

Code

#include <stdio.h>
#include <stdint.h>

void decode_status(uint8_t status_reg) {
   for(int i=0;i<8;i++)
   {
       uint8_t status = status_reg & (1<<i);
       if(status)
       {
       switch(i)
       {
           case 0:
           printf("Power On\n");
           break;
           case 1:
           printf("Error\n");
           break;
           case 2:
           printf("Tx Ready\n");
           break;
           case 3:
           printf("Rx Ready\n");
           break;
           case 4:
           printf("Overheat\n");
           break;
           case 5:
           printf("Undervoltage\n");
           break;
           case 6:
           printf("Timeout\n");
           break;
           case 7:
           printf("Reserved\n");
           break;
       }
       }
   }
}

int main() {
    uint8_t reg;
    scanf("%hhu", &reg);
    decode_status(reg);
    return 0;
}

Solving Approach

 

 

 

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Input

13

Expected Output

Power On Tx Ready Rx Ready