/* * Author: Nandkishor Sonar * Copyright (c) 2014 Intel Corporation. * * 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. */ #include <unistd.h> //! [Interesting] #include "mraa/aio.h" int main() { mraa_aio_context adc_a0; uint16_t adc_value = 0; float adc_value_float = 0.0; adc_a0 = mraa_aio_init(0); if (adc_a0 == NULL) { return 1; } for (;;) { adc_value = mraa_aio_read(adc_a0); adc_value_float = mraa_aio_read_float(adc_a0); fprintf(stdout, "ADC A0 read %X - %d\n", adc_value, adc_value); fprintf(stdout, "ADC A0 read float - %.5f\n", adc_value_float); } mraa_aio_close(adc_a0); return MRAA_SUCCESS; } //! [Interesting]