/* $Id$ * $URL$ * * generic driver helper for GPO's * * Copyright (C) 2005 Michael Reinelt * Copyright (C) 2005 The LCD4Linux Team * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * * exported variables: * * extern int GPIS, GPOS; number of Inputs and Outputs * * * these functions must be implemented by the real driver: * * int (*drv_generic_gpio_real_set) (const int num, const int val); * sets GPO num to val, returns the actual value * * int (*drv_generic_gpio_real_get) (const int num); * reads GPI num * * * exported fuctions: * * int drv_generic_gpio_init(const char *section, const char *driver) * initializes the generic GPIO driver * * int drv_generic_gpio_clear(void); * resets all GPO's * * int drv_generic_gpio_get (const int num) * returns value og GPI #num * * int drv_generic_gpio_draw(WIDGET * W) * 'draws' GPO widget * calls drv_generic_gpio_real_set() * * int drv_generic_gpio_quit(void) * closes the generic GPIO driver * */ #include "config.h" #include #include "debug.h" #include "plugin.h" #include "widget.h" #include "widget_gpo.h" #include "drv_generic_gpio.h" #ifdef WITH_DMALLOC #include #endif #define MAX_GPIS 32 #define MAX_GPOS 32 static char *Section = NULL; static char *Driver = NULL; static int GPI[MAX_GPIS]; static int GPO[MAX_GPOS]; int GPOS = 0; int GPIS = 0; int (*drv_generic_gpio_real_set) () = NULL; int (*drv_generic_gpio_real_get) () = NULL; static void drv_generic_gpio_plugin_gpi(RESULT * result, RESULT * arg1) { int num; double val; num = R2N(arg1); if (num <= 0 || num > GPIS) { error("%s::GPI(%d): GPI out of range (1..%d)", Driver, num, GPIS); SetResult(&result, R_STRING, ""); return; } val = drv_generic_gpio_get(num - 1); SetResult(&result, R_NUMBER, &val); } static void drv_generic_gpio_plugin_gpo(RESULT * result, const int argc, RESULT * argv[]) { int num, val; double gpo; switch (argc) { case 1: num = R2N(argv[0]); if (num <= 0 || num > GPOS) { error("%s::GPO(%d): GPO out of range (1..%d)", Driver, num, GPOS); SetResult(&result, R_STRING, ""); return; } gpo = GPO[num - 1]; SetResult(&result, R_NUMBER, &gpo); break; case 2: num = R2N(argv[0]); val = R2N(argv[1]); if (num <= 0 || num > GPOS) { error("%s::GPO(%d): GPO out of range (1..%d)", Driver, num, GPOS); SetResult(&result, R_STRING, ""); return; } if (GPO[num - 1] != val) { if (drv_generic_gpio_real_set) GPO[num - 1] = drv_generic_gpio_real_set(num - 1, val); } gpo = GPO[num - 1]; SetResult(&result, R_NUMBER, &gpo); break; default: error("%s::GPO(): wrong number of parameters", Driver); SetResult(&result, R_STRING, ""); } } int drv_generic_gpio_init(const char *section, const char *driver) { WIDGET_CLASS wc; Section = (char *) section; Driver = (char *) driver; info("%s: using %d GPI's and %d GPO's", Driver, GPIS, GPOS); /* reset all GPO's */ drv_generic_gpio_clear(); /* register gpo widget */ wc = Widget_GPO; wc.draw = drv_generic_gpio_draw; widget_register(&wc); /* register plugins */ AddFunction("LCD::GPI", 1, drv_generic_gpio_plugin_gpi); AddFunction("LCD::GPO", -1, drv_generic_gpio_plugin_gpo); return 0; } int drv_generic_gpio_clear(void) { int i; /* clear GPI buffer */ for (i = 0; i < MAX_GPIS; i++) { GPI[i] = 0; } /* clear GPO buffer */ for (i = 0; i < MAX_GPOS; i++) { GPO[i] = 0; } /* really clear GPO's */ for (i = 0; i < GPOS; i++) { if (drv_generic_gpio_real_set) GPO[i] = drv_generic_gpio_real_set(i, 0); } return 0; } int drv_generic_gpio_get(const int num) { int val = 0; if (num < 0 || num >= GPIS) { error("%s: gpio_get(%d): GPI out of range (0..%d)", Driver, num + 1, GPIS); return -1; } if (drv_generic_gpio_real_get) val = drv_generic_gpio_real_get(num); GPI[num] = val; return val; } int drv_generic_gpio_draw(WIDGET * W) { WIDGET_GPO *gpo = W->data; int num, val; num = W->row; val = P2N(&gpo->expression); if (num < 0 || num >= GPOS) { error("%s: gpio_draw(%d): GPO out of range (0..%d)", Driver, num + 1, GPOS); return -1; } if (GPO[num] != val) { if (drv_generic_gpio_real_set) GPO[num] = drv_generic_gpio_real_set(num, val); } return 0; } int drv_generic_gpio_quit(void) { info("%s: shutting down GPIO driver.", Driver); drv_generic_gpio_clear(); return 0; } n64'>64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 
#ifndef __CPHIDGETTEMPERATURESENSOR
#define __CPHIDGETTEMPERATURESENSOR
#include "cphidget.h"

/** \defgroup phidtemp Phidget Temperature Sensor 
 * \ingroup phidgets
 * Calls specific to the Phidget Temperature Sensor. See the product manual for more specific API details, supported functionality, units, etc.
 *
 * All temperatures are in degrees celcius.
 * @{
 */

DPHANDLE(TemperatureSensor)
CHDRSTANDARD(TemperatureSensor)

/**
 * The Phidget Temperature Sensor supports these types of thermocouples.
 */
typedef enum {
	PHIDGET_TEMPERATURE_SENSOR_K_TYPE = 1,	/**< K-Type thermocouple */
	PHIDGET_TEMPERATURE_SENSOR_J_TYPE,		/**< J-Type thermocouple */
	PHIDGET_TEMPERATURE_SENSOR_E_TYPE,		/**< E-Type thermocouple */
	PHIDGET_TEMPERATURE_SENSOR_T_TYPE		/**< T-Type thermocouple */
}  CPhidgetTemperatureSensor_ThermocoupleType;

/**
 * Gets the number of thermocouple inputs supported by this board.
 * @param phid An attached phidget themperature sensor handle.
 * @param count The thermocouple input count.
 */
CHDRGET(TemperatureSensor,TemperatureInputCount,int *count)
/**
 * Gets the temperature measured by a thermocouple input.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param temperature The temperature.
 */
CHDRGETINDEX(TemperatureSensor,Temperature,double *temperature)
/**
 * Gets the maximum temperature that can be measured by a thermocouple input. This depends on the type of thermocouple attached, as well as the ambient temperature.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param max The maximum temperature.
 */
CHDRGETINDEX(TemperatureSensor,TemperatureMax,double *max)
/**
 * Gets the minimum temperature that can be measured by a thermocouple input. This depends on the type of thermocouple attached, as well as the ambient temperature.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param min The minimum temperature.
 */
CHDRGETINDEX(TemperatureSensor,TemperatureMin,double *min)
/**
 * Set a temperature change handler. This is called when the temperature changes by more then the change trigger.
 * @param phid An attached phidget temperature sensor handle.
 * @param fptr Callback function pointer.
 * @param userPtr A pointer for use by the user - this value is passed back into the callback function.
 */
CHDREVENTINDEX(TemperatureSensor,TemperatureChange,double temperature)
/**
 * Gets the change trigger for a thermocouple input.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param trigger The change trigger.
 */
CHDRGETINDEX(TemperatureSensor,TemperatureChangeTrigger,double *trigger)
/**
 * Sets the change trigger for a thermocouple input.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param trigger The change trigger.
 */
CHDRSETINDEX(TemperatureSensor,TemperatureChangeTrigger,double trigger)

/**
 * Gets the currently sensed potential for a thermocouple input.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param potential The potential.
 */
CHDRGETINDEX(TemperatureSensor,Potential,double *potential)
/**
 * Gets the maximum potential that a thermocouple input can measure.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param max The maximum potential.
 */
CHDRGETINDEX(TemperatureSensor,PotentialMax,double *max)
/**
 * Gets the minimum potential that a thermocouple input can measure.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param min The minimum potential.
 */
CHDRGETINDEX(TemperatureSensor,PotentialMin,double *min)

/**
 * Gets the ambient (board) temperature.
 * @param phid An attached phidget themperature sensor handle.
 * @param ambient The ambient (board) temperature.
 */
CHDRGET(TemperatureSensor,AmbientTemperature,double *ambient)
/**
 * Gets the maximum temperature that the ambient onboard temperature sensor can measure.
 * @param phid An attached phidget themperature sensor handle.
 * @param max The maximum temperature.
 */
CHDRGET(TemperatureSensor,AmbientTemperatureMax,double *max)
/**
 * Gets the minimum temperature that the ambient onboard temperature sensor can measure.
 * @param phid An attached phidget themperature sensor handle.
 * @param min The minimum temperature.
 */
CHDRGET(TemperatureSensor,AmbientTemperatureMin,double *min)

/**
 * Gets the type of thermocouple set to be at a thermocouple input. By default this is K-Type.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param type The thermocouple type.
 */
CHDRGETINDEX(TemperatureSensor, ThermocoupleType, CPhidgetTemperatureSensor_ThermocoupleType *type)
/**
 * Sets the type of thermocouple plugged into a thermocouple input. By default this is K-Type.
 * @param phid An attached phidget themperature sensor handle.
 * @param index The thermocouple index.
 * @param type The thermocouple type.
 */
CHDRSETINDEX(TemperatureSensor, ThermocoupleType, CPhidgetTemperatureSensor_ThermocoupleType type)

#ifndef REMOVE_DEPRECATED
DEP_CHDRGET("Deprecated - use CPhidgetTemepratureSensor_getTemperatureInputCount",TemperatureSensor,NumTemperatureInputs,int *)
#endif

#ifndef EXTERNALPROTO
#define TEMPSENSOR_MAXSENSORS 8

#define GAIN 85.0
#define OFFSET_200 -6.5
#define OFFSET_300 ((200.0/237.0)*5.0)

#define PHIDID_TEMPERATURESENSOR_4_GAIN		((80 / 2.2) + 5)
//using 53.6K + 10K offset resistors: VOffset = (4.096Vref * 10K) / (10K + 53.6K)
#define PHIDID_TEMPERATURESENSOR_4_OFFSET	(4.096 / 6.36)

struct _CPhidgetTemperatureSensor {
	CPhidget phid;

	int (CCONV *fptrTemperatureChange)(CPhidgetTemperatureSensorHandle, void *, int, double);
	void *fptrTemperatureChangeptr;

	double AmbientTemperature;
	double Temperature[TEMPSENSOR_MAXSENSORS];
	double Potential[TEMPSENSOR_MAXSENSORS];

	double lastTrigger[TEMPSENSOR_MAXSENSORS];

	double TempChangeTrigger[TEMPSENSOR_MAXSENSORS];
	CPhidgetTemperatureSensor_ThermocoupleType ThermocoupleType[TEMPSENSOR_MAXSENSORS];

	double ambientTemperatureMax, ambientTemperatureMin;
	double temperatureMax[TEMPSENSOR_MAXSENSORS], temperatureMin[TEMPSENSOR_MAXSENSORS];
	double potentialMax, potentialMin;

	unsigned char AmbientTemperatureError, TemperatureError[TEMPSENSOR_MAXSENSORS], PotentialError[TEMPSENSOR_MAXSENSORS];

} typedef CPhidgetTemperatureSensorInfo;
#endif

/** @} */

#endif
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