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Zoul: added driver to control an AC light dimmer with zero-crossing

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This commit is contained in:
Antonio Lignan 2016-08-31 11:29:58 +02:00
parent 4ce322b7b0
commit 8d4888c495
4 changed files with 371 additions and 2 deletions
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4
examples/zolertia/zoul/Makefile
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@ -5,12 +5,12 @@ CONTIKI_PROJECT += test-bmp085-bmp180 test-motion test-rotation-sensor
CONTIKI_PROJECT += test-grove-light-sensor test-grove-loudness-sensor
CONTIKI_PROJECT += test-weather-meter test-grove-gyro test-lcd test-iaq
CONTIKI_PROJECT += test-pm10-sensor test-vac-sensor test-aac-sensor
CONTIKI_PROJECT += test-zonik test-dht22.c
CONTIKI_PROJECT += test-zonik test-dht22.c test-ac-dimmer.c test-servo.c
CONTIKI_TARGET_SOURCEFILES += tsl2563.c sht25.c bmpx8x.c motion-sensor.c
CONTIKI_TARGET_SOURCEFILES += adc-sensors.c weather-meter.c grove-gyro.c
CONTIKI_TARGET_SOURCEFILES += rgb-bl-lcd.c pm10-sensor.c iaq.c zonik.c relay.c
CONTIKI_TARGET_SOURCEFILES += dht22.c servo.c
CONTIKI_TARGET_SOURCEFILES += dht22.c servo.c ac-dimmer.c
all: $(CONTIKI_PROJECT)

102
examples/zolertia/zoul/test-ac-dimmer.c Normal file
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/*
* Copyright (c) 2016, Zolertia <http://www.zolertia.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \addtogroup zoul-examples
* @{
*
* \defgroup zoul-ac-dimmer-test Krida Electronics AC light dimmer test example
*
* Demonstrates the use of an AC dimmer with zero-crossing, connected to the
* ADC1 and ADC2 pins (PA5 and PA4 respectively), powered over the D+5.1 pin
*
* @{
*
* \file
* A quick program to test an AC dimmer
* \author
* Antonio Lignan <alinan@zolertia.com>
*/
/*---------------------------------------------------------------------------*/
#include <stdio.h>
#include "contiki.h"
#include "dev/ac-dimmer.h"
#include "lib/sensors.h"
/*---------------------------------------------------------------------------*/
PROCESS(remote_ac_dimmer_process, "AC light dimmer test");
AUTOSTART_PROCESSES(&remote_ac_dimmer_process);
/*---------------------------------------------------------------------------*/
static uint8_t dimming;
static struct etimer et;
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(remote_ac_dimmer_process, ev, data)
{
PROCESS_BEGIN();
dimming = 0;
SENSORS_ACTIVATE(ac_dimmer);
printf("AC dimmer: min %u%% max %u%%\n", DIMMER_DEFAULT_MIN_DIMM_VALUE,
DIMMER_DEFAULT_MAX_DIMM_VALUE);
/* Set the lamp to 10% and wait a few seconds */
ac_dimmer.value(DIMMER_DEFAULT_MIN_DIMM_VALUE);
etimer_set(&et, CLOCK_SECOND * 5);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
/* Upon testing for duty cycles lower than 10% there was noise (probably from
* the triac), causing the driver to skip a beat, and from time to time made
* the test lamp blink. This is easily reproducible by setting the dimmer to
* 5% and using a logic analyzer on the SYNC and GATE pins. The noise was
* picked-up also by the non-connected test probes of the logic analyser.
* Nevertheless the difference between 10% and 2% bright-wise is almost
* negligible
*/
while(1) {
dimming += DIMMER_DEFAULT_MIN_DIMM_VALUE;
if(dimming > DIMMER_DEFAULT_MAX_DIMM_VALUE) {
dimming = DIMMER_DEFAULT_MIN_DIMM_VALUE;
}
ac_dimmer.value(dimming);
printf("AC dimmer: light is now --> %u\n", ac_dimmer.status(SENSORS_ACTIVE));
etimer_set(&et, CLOCK_SECOND);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
/**
* @}
* @}
*/

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platform/zoul/dev/ac-dimmer.c Normal file
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/*
* Copyright (c) 2016, Zolertia - http://www.zolertia.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup zoul-ac-dimmer
* @{
*
* \file
* Driver for the Krida Electronics AC light dimmer with zero-crossing, using
* a 50Hz frequency as reference (1/50Hz) ~20ms and 10ms half-cycle
*/
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "ac-dimmer.h"
#include "dev/gpio.h"
#include "lib/sensors.h"
#include "dev/ioc.h"
/*---------------------------------------------------------------------------*/
#define DIMMER_SYNC_PORT_BASE GPIO_PORT_TO_BASE(DIMMER_SYNC_PORT)
#define DIMMER_SYNC_PIN_MASK GPIO_PIN_MASK(DIMMER_SYNC_PIN)
#define DIMMER_GATE_PORT_BASE GPIO_PORT_TO_BASE(DIMMER_GATE_PORT)
#define DIMMER_GATE_PIN_MASK GPIO_PIN_MASK(DIMMER_GATE_PIN)
/*---------------------------------------------------------------------------*/
static uint8_t enabled;
static uint8_t dimming;
/*---------------------------------------------------------------------------*/
PROCESS(ac_dimmer_int_process, "AC Dimmer zero-cross interrupt process");
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(ac_dimmer_int_process, ev, data)
{
PROCESS_EXITHANDLER();
PROCESS_BEGIN();
int dimtime;
while(1) {
PROCESS_YIELD_UNTIL(ev == PROCESS_EVENT_POLL);
dimtime = (uint8_t)(100 - dimming);
dimtime *= 100;
/* Off cycle */
clock_delay_usec(dimtime);
GPIO_SET_PIN(DIMMER_GATE_PORT_BASE, DIMMER_GATE_PIN_MASK);
/* Triac on propagation delay */
clock_delay_usec(DIMMER_DEFAULT_GATE_PULSE_US);
GPIO_CLR_PIN(DIMMER_GATE_PORT_BASE, DIMMER_GATE_PIN_MASK);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
static void
dimmer_zero_cross_int_handler(uint8_t port, uint8_t pin)
{
process_poll(&ac_dimmer_int_process);
}
/*---------------------------------------------------------------------------*/
static int
status(int type)
{
switch(type) {
case SENSORS_ACTIVE:
return dimming;
case SENSORS_READY:
return enabled;
}
return DIMMER_ERROR;
}
/*---------------------------------------------------------------------------*/
static int
value(int type)
{
if(!enabled) {
return DIMMER_ERROR;
}
dimming = (uint8_t)type;
return DIMMER_SUCCESS;
}
/*---------------------------------------------------------------------------*/
static int
configure(int type, int value)
{
if(type != SENSORS_ACTIVE) {
return DIMMER_ERROR;
}
if(value) {
/* This is the Triac's gate pin */
GPIO_SOFTWARE_CONTROL(DIMMER_GATE_PORT_BASE, DIMMER_GATE_PIN_MASK);
GPIO_SET_OUTPUT(DIMMER_GATE_PORT_BASE, DIMMER_GATE_PIN_MASK);
ioc_set_over(DIMMER_GATE_PORT, DIMMER_GATE_PIN, IOC_OVERRIDE_OE);
GPIO_CLR_PIN(DIMMER_GATE_PORT_BASE, DIMMER_GATE_PIN_MASK);
/* This is the zero-crossing pin and interrupt */
GPIO_SOFTWARE_CONTROL(DIMMER_SYNC_PORT_BASE, DIMMER_SYNC_PIN_MASK);
GPIO_SET_INPUT(DIMMER_SYNC_PORT_BASE, DIMMER_SYNC_PIN_MASK);
/* Pull-up resistor, detect rising edge */
GPIO_DETECT_EDGE(DIMMER_SYNC_PORT_BASE, DIMMER_SYNC_PIN_MASK);
GPIO_TRIGGER_SINGLE_EDGE(DIMMER_SYNC_PORT_BASE, DIMMER_SYNC_PIN_MASK);
GPIO_DETECT_RISING(DIMMER_SYNC_PORT_BASE, DIMMER_SYNC_PIN_MASK);
gpio_register_callback(dimmer_zero_cross_int_handler, DIMMER_SYNC_PORT,
DIMMER_SYNC_PIN);
/* Spin process until an interrupt is received */
process_start(&ac_dimmer_int_process, NULL);
/* Enable interrupts */
GPIO_ENABLE_INTERRUPT(DIMMER_SYNC_PORT_BASE, DIMMER_SYNC_PIN_MASK);
// ioc_set_over(DIMMER_SYNC_PORT, DIMMER_SYNC_PIN, IOC_OVERRIDE_PUE);
nvic_interrupt_enable(DIMMER_INT_VECTOR);
enabled = 1;
dimming = DIMMER_DEFAULT_START_VALUE;
return DIMMER_SUCCESS;
}
/* Disable interrupt and pins */
GPIO_DISABLE_INTERRUPT(DIMMER_GATE_PORT_BASE, DIMMER_GATE_PIN_MASK);
GPIO_SET_INPUT(DIMMER_GATE_PORT_BASE, DIMMER_GATE_PIN_MASK);
GPIO_SET_OUTPUT(DIMMER_SYNC_PORT_BASE, DIMMER_SYNC_PIN_MASK);
process_exit(&ac_dimmer_int_process);
enabled = 0;
dimming = 0;
return DIMMER_SUCCESS;
}
/*---------------------------------------------------------------------------*/
SENSORS_SENSOR(ac_dimmer, AC_DIMMER_ACTUATOR, value, configure, status);
/*---------------------------------------------------------------------------*/
/** @} */

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platform/zoul/dev/ac-dimmer.h Normal file
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/*
* Copyright (c) 2016, Zolertia - http://www.zolertia.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/*---------------------------------------------------------------------------*/
/**
* \addtogroup zoul-sensors
* @{
*
* \defgroup zoul-ac-dimmer AC light dimmer with zero-crossing driver
*
* Driver for an AC light dimmer with zero-crossing driver
* @{
*
* \file
* Header file for an AC light dimmer with zero-crossing driver
*/
/*---------------------------------------------------------------------------*/
#ifndef AC_DIMMER_H_
#define AC_DIMMER_H_
/* -------------------------------------------------------------------------- */
/**
* \name AC dimmer default pins, ports and interrupt vector
* @{
*/
#ifdef DIMMER_SYNC_CONF_PIN
#define DIMMER_SYNC_PIN DIMMER_SYNC_CONF_PIN
#else
#define DIMMER_SYNC_PIN 5
#endif
#ifdef DIMMER_SYNC_CONF_PORT
#define DIMMER_SYNC_PORT DIMMER_SYNC_CONF_PORT
#else
#define DIMMER_SYNC_PORT GPIO_A_NUM
#endif
#ifdef DIMMER_GATE_CONF_PIN
#define DIMMER_GATE_PIN DIMMER_GATE_CONF_PIN
#else
#define DIMMER_GATE_PIN 4
#endif
#ifdef DIMMER_GATE_CONF_PORT
#define DIMMER_GATE_PORT DIMMER_GATE_CONF_PORT
#else
#define DIMMER_GATE_PORT GPIO_A_NUM
#endif
#ifdef DIMMER_CONF_INT_VECTOR
#define DIMMER_INT_VECTOR DIMMER_CONF_INT_VECTOR
#else
#define DIMMER_INT_VECTOR NVIC_INT_GPIO_PORT_A
#endif
/** @} */
/* -------------------------------------------------------------------------- */
/**
* \name AC dimmer values
* @{
*/
#define DIMMER_DEFAULT_START_VALUE 50
#define DIMMER_DEFAULT_GATE_PULSE_US 15
#define DIMMER_DEFAULT_MIN_DIMM_VALUE 10
#define DIMMER_DEFAULT_MAX_DIMM_VALUE 80
/** @} */
/* -------------------------------------------------------------------------- */
/**
* \name AC dimmer return types
* @{
*/
#define DIMMER_ERROR (-1)
#define DIMMER_SUCCESS 0x00
/** @} */
/* -------------------------------------------------------------------------- */
#define AC_DIMMER_ACTUATOR "AC light dimmer zero-cross"
/* -------------------------------------------------------------------------- */
extern const struct sensors_sensor ac_dimmer;
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#endif /* RELAY_H_ */
/* -------------------------------------------------------------------------- */
/**
* @}
* @}
*/