/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "ch.h"
#include "hal.h"
#define ADC_GRP1_NUM_CHANNELS 1
#define ADC_GRP1_BUF_DEPTH 8
#define ADC_GRP2_NUM_CHANNELS 4
#define ADC_GRP2_BUF_DEPTH 16
static adcsample_t samples1[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
static adcsample_t samples2[ADC_GRP2_NUM_CHANNELS * ADC_GRP2_BUF_DEPTH];
/*
* ADC streaming callback.
*/
size_t nx = 0, ny = 0;
static void adccallback(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
(void)adcp;
if (samples2 == buffer) {
nx += n;
}
else {
ny += n;
}
}
static void adcerrorcallback(ADCDriver *adcp, adcerror_t err) {
(void)adcp;
(void)err;
}
/*
* ADC conversion group.
* Mode: Linear buffer, 8 samples of 1 channel, SW triggered.
* Channels: IN10.
*/
static const ADCConversionGroup adcgrpcfg1 = {
FALSE,
ADC_GRP1_NUM_CHANNELS,
NULL,
adcerrorcallback,
ADC_CFGR1_CONT | ADC_CFGR1_RES_12BIT, /* CFGR1 */
0, /* CFGR2 */
ADC_TR(0, 0), /* TR */
ADC_SMPR_SMP_1P5, /* SMPR */
ADC_CHSELR_CHSEL10 /* CHSELR */
};
/*
* ADC conversion group.
* Mode: Continuous, 16 samples of 8 channels, SW triggered.
* Channels: IN10, IN11, VRef, Sensor.
*/
static const ADCConversionGroup adcgrpcfg2 = {
TRUE,
ADC_GRP2_NUM_CHANNELS,
adccallback,
adcerrorcallback,
ADC_CFGR1_CONT | ADC_CFGR1_RES_12BIT, /* CFGR1 */
0, /* CFGR2 */
ADC_TR(0, 0), /* TR */
ADC_SMPR_SMP_28P5, /* SMPR */
ADC_CHSELR_CHSEL10 | ADC_CHSELR_CHSEL11 |
ADC_CHSELR_CHSEL17 | ADC_CHSELR_CHSEL18 /* CHSELR */
};
/*
* Red LEDs blinker thread, times are in milliseconds.
*/
static THD_WORKING_AREA(waThread1, 128);
static THD_FUNCTION(Thread1, arg) {
(void)arg;
chRegSetThreadName("blinker");
while (true) {
palSetPad(GPIOA, GPIOA_LED_GREEN);
chThdSleepMilliseconds(500);
palClearPad(GPIOA, GPIOA_LED_GREEN);
chThdSleepMilliseconds(500);
}
}
/*
* Application entry point.
*/
int main(void) {
/*
* System initializations.
* - HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
halInit();
chSysInit();
/*
* Setting up analog inputs used by the demo.
*/
palSetGroupMode(GPIOC, PAL_PORT_BIT(0) | PAL_PORT_BIT(1),
0, PAL_MODE_INPUT_ANALOG);
/*
* Creates the blinker thread.
*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
/*
* Activates the ADC1 driver and the temperature sensor.
*/
adcStart(&ADCD1, NULL);
adcSTM32SetCCR(ADC_CCR_TSEN | ADC_CCR_VREFEN);
/*
* Linear conversion.
*/
adcConvert(&ADCD1, &adcgrpcfg1, samples1, ADC_GRP1_BUF_DEPTH);
chThdSleepMilliseconds(1000);
/*
* Starts an ADC continuous conversion.
*/
adcStartConversion(&ADCD1, &adcgrpcfg2, samples2, ADC_GRP2_BUF_DEPTH);
/*
* Normal main() thread activity, in this demo it does nothing.
*/
while (true) {
if (!palReadPad(GPIOC, GPIOC_BUTTON)) {
adcStopConversion(&ADCD1);
adcSTM32SetCCR(0);
}
chThdSleepMilliseconds(500);
}
}
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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* Header file for LEDNotifier.c.
*/
#ifndef _LEDNOTIFIER_H_
#define _LEDNOTIFIER_H_
/* Includes: */
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/power.h>
#include <avr/interrupt.h>
#include <string.h>
#include <stdio.h>
#include "Descriptors.h"
#include <LUFA/Drivers/Board/LEDs.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Platform/Platform.h>
/* Function Prototypes: */
void SetupHardware(void);
void EVENT_USB_Device_ConfigurationChanged(void);
void EVENT_USB_Device_ControlRequest(void);
#endif
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