Make it possible to set NEGATIVE edelay

[erikkaashoek]

After calibration you may use the device without the female-female adaptor or without the cables and you may want to have a negative edelay. This implements the change

@@ -1211,6 +1211,7 @@ const keypads_t keypads_time[] = { { KP_X(2), KP_Y(0), 9 }, { KP_X(3), KP_Y(2), KP_N }, { KP_X(3), KP_Y(3), KP_P },

• { KP_X(3), KP_Y(1), KP_MINUS }, { KP_X(2), KP_Y(3), KP_BS }, { 0, 0, -1 } };

@@ -1712,6 +1713,9 @@ keypad_click(int key) return KP_DONE; } else if (c <= 9 && kp_index < NUMINPUT_LEN) kp_buf[kp_index++] = '0' + c;

• else if (c == KP_MINUS && kp_index < NUMINPUT_LEN) {
• kp_buf[kp_index++] = '-';
• } else if (c == KP_PERIOD && kp_index < NUMINPUT_LEN) { // check period in former input int j;

[edy555]

Oh just added last night in this commit https://github.com/ttrftech/NanoVNA/commit/0e982aa834cd542ae40a3a066d87590d33a80000 Will become available in the next release.