}
-static inline
void print_hex4(uint8_t data)
{
sendchar(data + ((data < 10) ? '0' : 'A' - 10));
print_hex16(data);
}
+void print_bin4(uint8_t data)
+{
+ for (int i = 4; i >= 0; i--) {
+ sendchar((data & (1<<i)) ? '1' : '0');
+ }
+}
void print_bin8(uint8_t data)
{