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author | Perry Hung <iperry@alum.mit.edu> | 2010-04-25 18:14:43 -0400 |
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committer | Perry Hung <iperry@alum.mit.edu> | 2010-04-25 18:14:43 -0400 |
commit | 4ccbeb08e64b6bc7cee1f54a04001eff778b4282 (patch) | |
tree | 05f71e01c98ac341c029b2a050b796f1be3de8b5 /wirish/wirish_analog.c | |
parent | b41eb846ca60559cff242d0c550699eb8f309909 (diff) | |
parent | 62552a6f3f93223682f9df2df2614411f7e3d54c (diff) | |
download | librambutan-4ccbeb08e64b6bc7cee1f54a04001eff778b4282.tar.gz librambutan-4ccbeb08e64b6bc7cee1f54a04001eff778b4282.zip |
Merge branch 'master' into spi
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); +} |