4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
30 * All Rights Reserved.
33 * \brief Some ADC utilis.
35 * \author Daniele Basile <asterix@develer.com>
46 * Return the Vrefint voltage in mV.
48 INLINE uint16_t hw_readVrefint(void)
50 return ADC_RANGECONV(adc_read(ADC_VREFINT_CH), 0, 3300);
54 * Return the cpu core temperature in degrees * 100.
56 INLINE uint16_t hw_readIntTemp(void)
58 uint16_t vsens = ADC_RANGECONV(adc_read(ADC_TEMP_CH), 0, 3300);
60 uint16_t temp = (((ADC_TEMP_V25 - vsens) * 1000)/ ADC_TEMP_SLOPE) + ADC_TEMP_CONST;