robinkrens.nl - git repository - cortex-from-scratch/blob - sysinfo.c

   1 #include <stdbool.h>
   2 #include <stddef.h>
   3 #include <stdint.h>
   4 #include <stm32.h>
   5 #include <mmap.h>
   6
   7
   8 void sysinfo() {
   9
  10         uint32_t tmp = *MCU_ID;
  11
  12         uart_puts("CHECKING SYS INFO\n");
  13         uart_puts("# DEVICE ID: ");
  14
  15         if (tmp & 0x414) {
  16                 uart_puts("HIGH DENSITY\n");
  17         }
  18         else {
  19                 uart_puts("UNKNOWN\n");
  20         }
  21
  22         tmp = (tmp >> 16);
  23         uart_puts("# REVISION: ");
  24         switch  (tmp) {
  25                 case 0x1000:
  26                       uart_puts("REVISION A\n");
  27                       break;
  28                 case 0x1001:
  29                       uart_puts("REVISION Z\n");
  30                       break;
  31                 case 0x1003:
  32                       uart_puts("REVISION 1/2/3/X/Y\n");
  33                       break;
  34                 default:
  35                       uart_puts("UNKNOWN\n");
  36         }
  37
  38 }
  39