main: Cleanup display_character to improve readability.

main.c

@@ -236,36 +236,36 @@ static void display_character(char character, int dp)
     // FIXME Only supports numbers for now
     switch (character)
     {
-        case 0x30:
+        case '0':
             value = 0x003f;
-            break; // 0
-        case 0x31:
+            break;
+        case '1':
             value = 0x0006;
-            break; // 1
-        case 0x32:
+            break;
+        case '2':
             value = 0x221b;
-            break; // 2
-        case 0x33:
+            break;
+        case '3':
             value = 0x220f;
-            break; // 3
-        case 0x34:
+            break;
+        case '4':
             value = 0x2226;
-            break; // 4
-        case 0x35:
+            break;
+        case '5':
             value = 0x222d;
-            break; // 5
-        case 0x36:
+            break;
+        case '6':
             value = 0x223d;
-            break; // 6
-        case 0x37:
+            break;
+        case '7':
             value = 0x0007;
-            break; // 7
-        case 0x38:
+            break;
+        case '8':
             value = 0x223f;
-            break; // 8
-        case 0x39:
+            break;
+        case '9':
             value = 0x222f;
-            break; // 9
+            break;
         default:
             value = 0x0000;
             break; // OFF
@@ -2426,7 +2426,7 @@ int main(void)
     uart_init();
     gpio_init();
 
-    display_character(0x30, 0); // STATUS CODE: 0
+    display_character('0', 0); // STATUS CODE: 0
 
     for (int i = 0; i < MAX_CPUS_SUPPORTED; i++)
     {
@@ -2486,7 +2486,7 @@ int main(void)
     memset32((uint32_t *)host_flash_buffer, 0xdeadbeef, 0x4000000 / 4);
     printf("\rInternal host ROM buffer cleared    \n");
 
-    display_character(0x31, 0); // STATUS CODE: 1
+    display_character('1', 0); // STATUS CODE: 1
 
 #ifdef WITH_SPI
     host_spi_flash_init();
@@ -2554,7 +2554,7 @@ int main(void)
 #endif
 #endif
 
-    display_character(0x32, 0); // STATUS CODE: 2
+    display_character('2', 0); // STATUS CODE: 2
 
     puts("\nRaptor Open FSP\nBuilt "__DATE__
          " "__TIME__