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Added interrupt configuration for the weather meter

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This commit is contained in:
Antonio Lignan 2016-01-17 02:22:19 +01:00
parent 103911f619
commit aacbcd904f
3 changed files with 155 additions and 82 deletions
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168
platform/zoul/dev/weather-meter.c
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@ -47,6 +47,7 @@
#include "contiki.h"
#include "dev/adc-sensors.h"
#include "dev/weather-meter.h"
#include "dev/zoul-sensors.h"
#include "lib/sensors.h"
#include "dev/sys-ctrl.h"
#include "dev/gpio.h"
@ -54,22 +55,24 @@
#include "sys/timer.h"
#include "sys/etimer.h"
/*---------------------------------------------------------------------------*/
#define DEBUG 1
#define DEBUG 0
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*---------------------------------------------------------------------------*/
#define DEBOUNCE_DURATION (CLOCK_SECOND >> 6)
#define DEBOUNCE_DURATION (CLOCK_SECOND >> 4)
/*---------------------------------------------------------------------------*/
#define ANEMOMETER_SENSOR_PORT_BASE GPIO_PORT_TO_BASE(ANEMOMETER_SENSOR_PORT)
#define ANEMOMETER_SENSOR_PIN_MASK GPIO_PIN_MASK(ANEMOMETER_SENSOR_PIN)
#define RAIN_GAUGE_SENSOR_PORT_BASE GPIO_PORT_TO_BASE(RAIN_GAUGE_SENSOR_PORT)
#define RAIN_GAUGE_SENSOR_PIN_MASK GPIO_PIN_MASK(RAIN_GAUGE_SENSOR_PIN)
/*---------------------------------------------------------------------------*/
void (*rain_gauge_int_callback)(uint8_t value);
void (*anemometer_int_callback)(uint8_t value);
void (*rain_gauge_int_callback)(uint16_t value);
void (*anemometer_int_callback)(uint16_t value);
/*---------------------------------------------------------------------------*/
static uint8_t enabled;
/*---------------------------------------------------------------------------*/
process_event_t anemometer_int_event;
process_event_t rain_gauge_int_event;
@ -80,12 +83,14 @@ static struct timer debouncetimer;
typedef struct {
uint16_t ticks;
uint16_t value;
} a_ticking_sensor_t;
uint8_t int_en;
uint16_t int_thres;
} weather_meter_sensors_t;
typedef struct {
uint16_t wind_vane;
a_ticking_sensor_t rain_gauge;
a_ticking_sensor_t anemometer;
weather_meter_sensors_t rain_gauge;
weather_meter_sensors_t anemometer;
} weather_meter_sensors;
static weather_meter_sensors weather_sensors;
/*---------------------------------------------------------------------------*/
@ -103,9 +108,19 @@ PROCESS_THREAD(weather_meter_int_process, ev, data)
while(1) {
PROCESS_YIELD();
/* The anemometer ticks twice per rotation, and a wind speed of 2.4 km/h
* makes the switch close every second, convert RPM to linear velocity
*/
if((ev == anemometer_int_event) && (weather_sensors.anemometer.int_en)) {
if(weather_sensors.anemometer.ticks >=
weather_sensors.anemometer.int_thres) {
anemometer_int_callback(weather_sensors.anemometer.ticks);
}
}
if((ev == rain_gauge_int_event) && (weather_sensors.rain_gauge.int_en)) {
if(weather_sensors.rain_gauge.ticks >=
weather_sensors.rain_gauge.int_thres) {
rain_gauge_int_callback(weather_sensors.rain_gauge.ticks);
}
}
if(ev == PROCESS_EVENT_TIMER) {
@ -113,9 +128,10 @@ PROCESS_THREAD(weather_meter_int_process, ev, data)
GPIO_DISABLE_INTERRUPT(ANEMOMETER_SENSOR_PORT_BASE,
ANEMOMETER_SENSOR_PIN_MASK);
/* Two ticks per rotation */
/* The anemometer ticks twice per rotation, and a wind speed of 2.4 km/h
* makes the switch close every second, convert RPM to linear velocity
*/
rpm = weather_sensors.anemometer.ticks * 30;
mph = rpm * WEATHER_METER_AUX_ANGULAR;
mph /= 1000;
@ -130,9 +146,6 @@ PROCESS_THREAD(weather_meter_int_process, ev, data)
ANEMOMETER_SENSOR_PIN_MASK);
etimer_restart(&et);
}
// anemometer_int_callback(0);
// rain_gauge_int_callback(0);
}
PROCESS_END();
}
@ -175,6 +188,11 @@ value(int type)
return WEATHER_METER_ERROR;
}
if(!enabled) {
PRINTF("Weather: module is not configured\n");
return WEATHER_METER_ERROR;
}
switch(type) {
case WEATHER_METER_WIND_VANE:
/* FIXME: return the values in degrees */
@ -203,56 +221,92 @@ value(int type)
static int
configure(int type, int value)
{
if(type != WEATHER_METER_ACTIVE) {
if((type != WEATHER_METER_ACTIVE) &&
(type != WEATHER_METER_ANEMOMETER_INT_OVER) &&
(type != WEATHER_METER_RAIN_GAUGE_INT_OVER) &&
(type != WEATHER_METER_ANEMOMETER_INT_DIS) &&
(type != WEATHER_METER_RAIN_GAUGE_INT_DIS)) {
PRINTF("Weather: invalid configuration option\n");
return WEATHER_METER_ERROR;
}
weather_sensors.wind_vane = 0;
weather_sensors.anemometer.ticks = 0;
weather_sensors.anemometer.value = 0;
weather_sensors.rain_gauge.ticks = 0;
weather_sensors.rain_gauge.value = 0;
if(type == WEATHER_METER_ACTIVE) {
if(!value) {
anemometer_int_callback = NULL;
rain_gauge_int_callback = NULL;
GPIO_DISABLE_INTERRUPT(ANEMOMETER_SENSOR_PORT_BASE,
ANEMOMETER_SENSOR_PIN_MASK);
GPIO_DISABLE_INTERRUPT(RAIN_GAUGE_SENSOR_PORT_BASE,
RAIN_GAUGE_SENSOR_PIN_MASK);
weather_sensors.anemometer.int_en = 0;
weather_sensors.rain_gauge.int_en = 0;
weather_sensors.anemometer.ticks = 0;
weather_sensors.rain_gauge.ticks = 0;
if(!value) {
anemometer_int_callback = NULL;
rain_gauge_int_callback = NULL;
GPIO_DISABLE_INTERRUPT(ANEMOMETER_SENSOR_PORT_BASE,
ANEMOMETER_SENSOR_PIN_MASK);
GPIO_DISABLE_INTERRUPT(RAIN_GAUGE_SENSOR_PORT_BASE,
RAIN_GAUGE_SENSOR_PIN_MASK);
process_exit(&weather_meter_int_process);
enabled = 0;
PRINTF("Weather: disabled\n");
return WEATHER_METER_SUCCESS;
}
/* Configure the wind vane */
adc_sensors.configure(SENSORS_HW_INIT, WIND_VANE_ADC);
/* Configure anemometer interruption */
GPIO_SOFTWARE_CONTROL(ANEMOMETER_SENSOR_PORT_BASE, ANEMOMETER_SENSOR_PIN_MASK);
GPIO_SET_INPUT(ANEMOMETER_SENSOR_PORT_BASE, ANEMOMETER_SENSOR_PIN_MASK);
GPIO_DETECT_RISING(ANEMOMETER_SENSOR_PORT_BASE, ANEMOMETER_SENSOR_PIN_MASK);
GPIO_TRIGGER_SINGLE_EDGE(ANEMOMETER_SENSOR_PORT_BASE,
ANEMOMETER_SENSOR_PIN_MASK);
ioc_set_over(ANEMOMETER_SENSOR_PORT, ANEMOMETER_SENSOR_PIN, IOC_OVERRIDE_DIS);
gpio_register_callback(weather_meter_interrupt_handler, ANEMOMETER_SENSOR_PORT,
ANEMOMETER_SENSOR_PIN);
/* Configure rain gauge interruption */
GPIO_SOFTWARE_CONTROL(RAIN_GAUGE_SENSOR_PORT_BASE, RAIN_GAUGE_SENSOR_PIN_MASK);
GPIO_SET_INPUT(RAIN_GAUGE_SENSOR_PORT_BASE, RAIN_GAUGE_SENSOR_PIN_MASK);
GPIO_DETECT_RISING(RAIN_GAUGE_SENSOR_PORT_BASE, RAIN_GAUGE_SENSOR_PIN_MASK);
GPIO_TRIGGER_SINGLE_EDGE(RAIN_GAUGE_SENSOR_PORT_BASE,
RAIN_GAUGE_SENSOR_PIN_MASK);
ioc_set_over(RAIN_GAUGE_SENSOR_PORT, RAIN_GAUGE_SENSOR_PIN, IOC_OVERRIDE_DIS);
gpio_register_callback(weather_meter_interrupt_handler, RAIN_GAUGE_SENSOR_PORT,
RAIN_GAUGE_SENSOR_PIN);
process_start(&weather_meter_int_process, NULL);
GPIO_ENABLE_INTERRUPT(ANEMOMETER_SENSOR_PORT_BASE, ANEMOMETER_SENSOR_PIN_MASK);
GPIO_ENABLE_INTERRUPT(RAIN_GAUGE_SENSOR_PORT_BASE, RAIN_GAUGE_SENSOR_PIN_MASK);
nvic_interrupt_enable(ANEMOMETER_SENSOR_VECTOR);
nvic_interrupt_enable(RAIN_GAUGE_SENSOR_VECTOR);
enabled = 1;
PRINTF("Weather: started\n");
return WEATHER_METER_SUCCESS;
}
/* Configure the wind vane */
adc_sensors.configure(SENSORS_HW_INIT, WIND_VANE_ADC);
/* Configure anemometer interruption */
GPIO_SOFTWARE_CONTROL(ANEMOMETER_SENSOR_PORT_BASE, ANEMOMETER_SENSOR_PIN_MASK);
GPIO_SET_INPUT(ANEMOMETER_SENSOR_PORT_BASE, ANEMOMETER_SENSOR_PIN_MASK);
GPIO_DETECT_RISING(ANEMOMETER_SENSOR_PORT_BASE, ANEMOMETER_SENSOR_PIN_MASK);
GPIO_TRIGGER_SINGLE_EDGE(ANEMOMETER_SENSOR_PORT_BASE,
ANEMOMETER_SENSOR_PIN_MASK);
ioc_set_over(ANEMOMETER_SENSOR_PORT, ANEMOMETER_SENSOR_PIN, IOC_OVERRIDE_DIS);
gpio_register_callback(weather_meter_interrupt_handler, ANEMOMETER_SENSOR_PORT,
ANEMOMETER_SENSOR_PIN);
/* Configure rain gauge interruption */
GPIO_SOFTWARE_CONTROL(RAIN_GAUGE_SENSOR_PORT_BASE, RAIN_GAUGE_SENSOR_PIN_MASK);
GPIO_SET_INPUT(RAIN_GAUGE_SENSOR_PORT_BASE, RAIN_GAUGE_SENSOR_PIN_MASK);
GPIO_DETECT_RISING(RAIN_GAUGE_SENSOR_PORT_BASE, RAIN_GAUGE_SENSOR_PIN_MASK);
GPIO_TRIGGER_SINGLE_EDGE(RAIN_GAUGE_SENSOR_PORT_BASE,
RAIN_GAUGE_SENSOR_PIN_MASK);
ioc_set_over(RAIN_GAUGE_SENSOR_PORT, RAIN_GAUGE_SENSOR_PIN, IOC_OVERRIDE_DIS);
gpio_register_callback(weather_meter_interrupt_handler, RAIN_GAUGE_SENSOR_PORT,
RAIN_GAUGE_SENSOR_PIN);
process_start(&weather_meter_int_process, NULL);
GPIO_ENABLE_INTERRUPT(ANEMOMETER_SENSOR_PORT_BASE, ANEMOMETER_SENSOR_PIN_MASK);
GPIO_ENABLE_INTERRUPT(RAIN_GAUGE_SENSOR_PORT_BASE, RAIN_GAUGE_SENSOR_PIN_MASK);
nvic_interrupt_enable(ANEMOMETER_SENSOR_VECTOR);
nvic_interrupt_enable(RAIN_GAUGE_SENSOR_VECTOR);
switch(type) {
case WEATHER_METER_ANEMOMETER_INT_OVER:
weather_sensors.anemometer.int_en = 1;
weather_sensors.anemometer.int_thres = value;
PRINTF("Weather: anemometer threshold %u\n", value);
break;
case WEATHER_METER_RAIN_GAUGE_INT_OVER:
weather_sensors.rain_gauge.int_en = 1;
weather_sensors.rain_gauge.int_thres = value;
PRINTF("Weather: rain gauge threshold %u\n", value);
break;
case WEATHER_METER_ANEMOMETER_INT_DIS:
PRINTF("Weather: anemometer int disabled\n");
weather_sensors.anemometer.int_en = 0;
break;
case WEATHER_METER_RAIN_GAUGE_INT_DIS:
PRINTF("Weather: rain gauge int disabled\n");
weather_sensors.rain_gauge.int_en = 0;
break;
default:
return WEATHER_METER_ERROR;
}
return WEATHER_METER_SUCCESS;
}