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RIOT/drivers/si70xx/si70xx_saul.c

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drivers: si70xx: adapt for SAUL
2016-07-18 23:05:17 +02:00
/*
* Copyright (C) 2016 Bas Stottelaar <basstottelaar@gmail.com>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
drivers: doxygen cleanup
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* @ingroup drivers_si70xx
drivers: si70xx: adapt for SAUL
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* @{
*
* @file
* @brief SAUL adoption for Si7006/13/20/21 sensor.
*
* @author Bas Stottelaar <basstottelaar@gmail.com>
*
* @}
*/
#include "saul.h"
#include "si70xx.h"
saul: use const for device parameter
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static int read_temperature(const void *dev, phydat_t *res)
drivers: si70xx: adapt for SAUL
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{
saul: use const for device parameter
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res->val[0] = (int32_t) si70xx_get_temperature((const si70xx_t *)dev);
drivers: si70xx: adapt for SAUL
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res->unit = UNIT_TEMP_C;
res->scale = -2;
return 1;
}
drivers/si70xx: Add support for Si705x sensors The Silicon Labs Si705x sensors (Si7050/1/3/4/5) are very similar to the Si7021 sensors featuring only a temperature sensor and no humidity sensor. The only difference between the Si705x is the temperature accuracy of the reading, ranging from +/- 0.1 C in the Si7051 to +/- 1 C in the Si7050. This patch adds support for this family of sensors extending the functionality of the existing si70xx driver. Following the style of other modules, this implements a pseudomodule per supported chip, adding si7050, si7051, si7053, si7054 and si7055 pseudomodules. As a minor change this patch also implements the missing si70xx_get_serial, si70xx_get_id and si70xx_get_revision functions that were declared in the si70xx.h header but implemented as private functions. The si70xx_get_id() may be relevant for the application to know at run time exactly which version of the hardware is installed. The updated test running with a Si7051 shows the following output, which seems consistent with the room temperature conditions during the test. ``` make SI70XX_VARIANT=si7051 -C tests/driver_si70xx/ all flash ``` ``` SI70XX temperature and humidity sensor test application Initializing sensor... [OK] Found SI7051 sensor, revision 32 temperature: 24.71 C temperature: 24.69 C ```
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#if SI70XX_HAS_HUMIDITY_SENSOR
saul: use const for device parameter
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static int read_relative_humidity(const void *dev, phydat_t *res)
drivers: si70xx: adapt for SAUL
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{
saul: use const for device parameter
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res->val[0] = (int32_t) si70xx_get_relative_humidity((const si70xx_t *)dev);
drivers: si70xx: adapt for SAUL
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res->unit = UNIT_PERCENT;
res->scale = -2;
return 1;
}
drivers/si70xx: Add support for Si705x sensors The Silicon Labs Si705x sensors (Si7050/1/3/4/5) are very similar to the Si7021 sensors featuring only a temperature sensor and no humidity sensor. The only difference between the Si705x is the temperature accuracy of the reading, ranging from +/- 0.1 C in the Si7051 to +/- 1 C in the Si7050. This patch adds support for this family of sensors extending the functionality of the existing si70xx driver. Following the style of other modules, this implements a pseudomodule per supported chip, adding si7050, si7051, si7053, si7054 and si7055 pseudomodules. As a minor change this patch also implements the missing si70xx_get_serial, si70xx_get_id and si70xx_get_revision functions that were declared in the si70xx.h header but implemented as private functions. The si70xx_get_id() may be relevant for the application to know at run time exactly which version of the hardware is installed. The updated test running with a Si7051 shows the following output, which seems consistent with the room temperature conditions during the test. ``` make SI70XX_VARIANT=si7051 -C tests/driver_si70xx/ all flash ``` ``` SI70XX temperature and humidity sensor test application Initializing sensor... [OK] Found SI7051 sensor, revision 32 temperature: 24.71 C temperature: 24.69 C ```
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#endif /* SI70XX_HAS_HUMIDITY_SENSOR */
drivers: si70xx: adapt for SAUL
2016-07-18 23:05:17 +02:00
const saul_driver_t si70xx_temperature_saul_driver = {
.read = read_temperature,
drivers/saul: use const qualifier for data to write This makes life easier when calling e.g. `saul_reg_write()` with data stored in flash. As now the signatures for reading and writing differ (in that `const` qualifier only), `saul_notsup()` is split into `saul_write_notsup()` and `saul_read_notsup()`. However, one is implemented as a symbol alias of the other, so that ROM consumption remains unchanged.
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.write = saul_write_notsup,
drivers: si70xx: adapt for SAUL
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.type = SAUL_SENSE_TEMP
};
drivers/si70xx: Add support for Si705x sensors The Silicon Labs Si705x sensors (Si7050/1/3/4/5) are very similar to the Si7021 sensors featuring only a temperature sensor and no humidity sensor. The only difference between the Si705x is the temperature accuracy of the reading, ranging from +/- 0.1 C in the Si7051 to +/- 1 C in the Si7050. This patch adds support for this family of sensors extending the functionality of the existing si70xx driver. Following the style of other modules, this implements a pseudomodule per supported chip, adding si7050, si7051, si7053, si7054 and si7055 pseudomodules. As a minor change this patch also implements the missing si70xx_get_serial, si70xx_get_id and si70xx_get_revision functions that were declared in the si70xx.h header but implemented as private functions. The si70xx_get_id() may be relevant for the application to know at run time exactly which version of the hardware is installed. The updated test running with a Si7051 shows the following output, which seems consistent with the room temperature conditions during the test. ``` make SI70XX_VARIANT=si7051 -C tests/driver_si70xx/ all flash ``` ``` SI70XX temperature and humidity sensor test application Initializing sensor... [OK] Found SI7051 sensor, revision 32 temperature: 24.71 C temperature: 24.69 C ```
2020-04-18 21:52:54 +02:00
#if SI70XX_HAS_HUMIDITY_SENSOR
drivers: si70xx: adapt for SAUL
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const saul_driver_t si70xx_relative_humidity_saul_driver = {
.read = read_relative_humidity,
drivers/saul: use const qualifier for data to write This makes life easier when calling e.g. `saul_reg_write()` with data stored in flash. As now the signatures for reading and writing differ (in that `const` qualifier only), `saul_notsup()` is split into `saul_write_notsup()` and `saul_read_notsup()`. However, one is implemented as a symbol alias of the other, so that ROM consumption remains unchanged.
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.write = saul_write_notsup,
drivers: si70xx: adapt for SAUL
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.type = SAUL_SENSE_HUM
};
drivers/si70xx: Add support for Si705x sensors The Silicon Labs Si705x sensors (Si7050/1/3/4/5) are very similar to the Si7021 sensors featuring only a temperature sensor and no humidity sensor. The only difference between the Si705x is the temperature accuracy of the reading, ranging from +/- 0.1 C in the Si7051 to +/- 1 C in the Si7050. This patch adds support for this family of sensors extending the functionality of the existing si70xx driver. Following the style of other modules, this implements a pseudomodule per supported chip, adding si7050, si7051, si7053, si7054 and si7055 pseudomodules. As a minor change this patch also implements the missing si70xx_get_serial, si70xx_get_id and si70xx_get_revision functions that were declared in the si70xx.h header but implemented as private functions. The si70xx_get_id() may be relevant for the application to know at run time exactly which version of the hardware is installed. The updated test running with a Si7051 shows the following output, which seems consistent with the room temperature conditions during the test. ``` make SI70XX_VARIANT=si7051 -C tests/driver_si70xx/ all flash ``` ``` SI70XX temperature and humidity sensor test application Initializing sensor... [OK] Found SI7051 sensor, revision 32 temperature: 24.71 C temperature: 24.69 C ```
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#endif /* SI70XX_HAS_HUMIDITY_SENSOR */
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