int8_t (*print_sendchar_func)(uint8_t) = 0;
-bool print_enable = false;
+bool print_enable = true;
/* print string stored in data memory(SRAM)
}
-void print_bin(uint8_t data)
+void print_bin8(uint8_t data)
{
for (int i = 7; i >= 0; i--) {
sendchar((data & (1<<i)) ? '1' : '0');