| 107 | |
| 108 | |
| 109 | uint8_t getRandom6() |
| 110 | { |
| 111 | if (__randomIdx < 6) |
| 112 | { |
| 113 | __randomBuffer = getRandom32(); |
| 114 | __randomIdx = 32; |
| 115 | } |
| 116 | uint8_t rv = __randomBuffer & 0x3F; |
| 117 | __randomBuffer >>= 6; |
| 118 | __randomIdx -= 6; |
| 119 | return rv; |
| 120 | } |
| 121 | |
| 122 | |
| 123 | // typical use |