| Deokgyu Yang | 2c7e86b | 2020-04-28 10:56:11 +0900 | [diff] [blame] | 1 | /* |
| 2 | * gertboard.h: |
| 3 | * Access routines for the SPI devices on the Gertboard |
| 4 | * Copyright (c) 2012 Gordon Henderson |
| 5 | * |
| 6 | * The Gertboard has an MCP4802 dual-channel D to A convertor |
| 7 | * connected to the SPI bus, selected via chip-select B. |
| 8 | * |
| 9 | *********************************************************************** |
| 10 | * This file is part of wiringPi: |
| 11 | * https://projects.drogon.net/raspberry-pi/wiringpi/ |
| 12 | * |
| 13 | * wiringPi is free software: you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU Lesser General Public License as |
| 15 | * published by the Free Software Foundation, either version 3 of the |
| 16 | * License, or (at your option) any later version. |
| 17 | * |
| 18 | * wiringPi is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU Lesser General Public License for more details. |
| 22 | * |
| 23 | * You should have received a copy of the GNU Lesser General Public |
| 24 | * License along with wiringPi. |
| 25 | * If not, see <http://www.gnu.org/licenses/>. |
| 26 | *********************************************************************** |
| 27 | */ |
| 28 | |
| 29 | #ifdef __cplusplus |
| 30 | extern "C" { |
| 31 | #endif |
| 32 | |
| 33 | // Old routines |
| 34 | |
| 35 | extern void gertboardAnalogWrite (const int chan, const int value) ; |
| 36 | extern int gertboardAnalogRead (const int chan) ; |
| 37 | extern int gertboardSPISetup (void) ; |
| 38 | |
| 39 | // New |
| 40 | |
| 41 | extern int gertboardAnalogSetup (const int pinBase) ; |
| 42 | |
| 43 | #ifdef __cplusplus |
| 44 | } |
| 45 | #endif |