Futaba M202MD08A(2x20) VFD GPIO Interface Demo
$Id: main.c 05:57 PM 2019-05-29 $ - This program is Main of Futaba M202MD08A(2x20) VFD GPIO Interface Demo
- Application : Character Display
- Features 20x2 Digits, 5x7 Dots + Triangle Mark
- MIT License
- Copyright (c) 2019 ssk.
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
- The above copyright notice and this permission notice shall be included in all
- copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- SOFTWARE.
- Abbreviations
- GCLK, (Grid) shift register clock(TD62C950RFG)
- GSI, (Grid) serial data Input.
- ACLK, (Anode) shift register clock(SN755700A x 2)
- SINx (Anode) serial data Input. (4Bits)
- BK, (Anode) output blanking Control input
- TMARK Triangle Mark, That only applies to line 2
- | □ □ □ □ □ □ . . . □ □ □ □ □ □
- | □ □ □ □ □ □ . . . □ □ □ □ □ □
- +---> ▼ ▼ ▼ ▼ ▼ ▼ . . . ▼ ▼ ▼ ▼ ▼ ▼
