From 1d3861ef93f8423176c6010ab606abdab00a7cbd Mon Sep 17 00:00:00 2001 From: bnewbold Date: Wed, 31 Mar 2010 08:52:45 +0800 Subject: Major hierarchy reorganization; see README. copy-to-ide and Makefile updated to conform; .gitignore added; LICENSE added --- core/wiring_analog.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 core/wiring_analog.c (limited to 'core/wiring_analog.c') diff --git a/core/wiring_analog.c b/core/wiring_analog.c new file mode 100644 index 0000000..d7d7150 --- /dev/null +++ b/core/wiring_analog.c @@ -0,0 +1,39 @@ +/* ***************************************************************************** + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + * Created: 12/18/09 02:41:55 + * Copyright (c) 2009 Perry L. Hung. All rights reserved. + * + * ****************************************************************************/ + +/** + * @file wiring_analog.c + * + * @brief + */ + +#include "libmaple.h" +#include "wiring.h" +#include "io.h" + +extern const PinMapping PIN_MAP[NR_MAPLE_PINS]; + +/* Assumes that the ADC has been initialized and + * that the pin is set to ANALOG_INPUT */ +uint32_t analogRead(uint8_t pin) { + if (pin >= NR_ANALOG_PINS) + return 0; + + return adc_read(PIN_MAP[pin].adc); +} -- cgit v1.2.3