83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "ch.h"
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#include "hal.h"
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#include "chprintf.h"
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/*
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* Application entry point.
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*/
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int main(void) {
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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chSysInit();
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/*
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* Activates the serial driver 1 using the driver default configuration.
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*/
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palSetPadMode(IOPORT2, 0, PAL_MODE_OUTPUT_PUSHPULL);
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sdStart(&SD1, NULL);
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#define ADC_GRP1_NUM_CHANNELS 3
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#define ADC_GRP1_BUF_DEPTH 10
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DDRD |= _BV(DDD5);
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static adcsample_t samples[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
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static const ADCConversionGroup adcgrpcfg = {
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FALSE,
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ADC_GRP1_NUM_CHANNELS,
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NULL,
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0b00000111 /* enabled channels */
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};
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ADCConfig adccfg = {
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ANALOG_REFERENCE_AVCC /* use the AVCC pin as the ADC reference voltage */
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};
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adcStart(&ADCD1, &adccfg);
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palSetGroupMode(IOPORTADC, 0b00000111, 0, PAL_MODE_INPUT_PULLUP);
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while(TRUE)
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{
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int i;
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adcConvert(&ADCD1, &adcgrpcfg, samples, ADC_GRP1_BUF_DEPTH);
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chprintf((BaseSequentialStream *) &SD1,"Result:\r\n");
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for(i=0; i < (ADC_GRP1_BUF_DEPTH * ADC_GRP1_NUM_CHANNELS); i++) {
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if((i % ADC_GRP1_NUM_CHANNELS) == 0) chprintf((BaseSequentialStream *) &SD1,"\r\n");
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chprintf((BaseSequentialStream *) &SD1," %d", samples[i]);
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}
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chprintf((BaseSequentialStream *) &SD1,"\r\n");
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chThdSleepMilliseconds(500);
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palTogglePad(IOPORT2, PORTB_LED1);
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}
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}
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