Function i16_to_4digits

pub fn i16_to_4digits(n: i16) -> [u8; 4]

Available on crate feature formatters only.

Formats a i16 clamped between -999 and 9999, for a 4-digit display.

Example

A counter that goes from -100 to 100:

let mut tm = TM1637::builder(clk_pin, dio_pin, delay)
    .brightness(Brightness::L3)
    .build();

tm.init().ok();

for i in -100..100 {
    let segs = i16_to_4digits(i);
    tm.write_segments_raw(0, &segs).ok();

    delay.delay_ms(100u16);
}