diff options
Diffstat (limited to 'wirish/wirish_analog.c')
-rw-r--r-- | wirish/wirish_analog.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/wirish/wirish_analog.c b/wirish/wirish_analog.c new file mode 100644 index 0000000..f4c1204 --- /dev/null +++ b/wirish/wirish_analog.c @@ -0,0 +1,42 @@ +/* ***************************************************************************** + * The MIT License + * + * Copyright (c) 2010 Perry Hung. + * + * 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. + * ****************************************************************************/ + +/** + * @brief + */ + +#include "libmaple.h" +#include "wirish.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 analogRead(uint8 pin) { + if (pin >= NR_ANALOG_PINS) + return 0; + + return adc_read(PIN_MAP[pin].adc); +} |