/* * Author: * Copyright (c) 2015 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "gsr.h" #include "upm_fti.h" #include "fti/upm_sensor.h" #include "fti/upm_raw.h" /** * This file implements the Function Table Interface (FTI) for this sensor */ const char upm_gsr_name[] = "GSR"; const char upm_gsr_description[] = "Analog gsr sensor"; const upm_protocol_t upm_gsr_protocol[] = {UPM_ANALOG}; const upm_sensor_t upm_gsr_category[] = {UPM_RAW}; // forward declarations const void* upm_gsr_get_ft(upm_sensor_t sensor_type); void* upm_gsr_init_str(const char* protocol, const char* params); void upm_gsr_close(void* dev); const upm_sensor_descriptor_t upm_gsr_get_descriptor(); upm_result_t upm_gsr_set_offset(const void* dev, float offset); upm_result_t upm_gsr_set_scale(const void* dev, float scale); upm_result_t upm_gsr_get_value(const void* dev, float *value); /* This sensor implementes 2 function tables */ /* 1. Generic base function table */ static const upm_sensor_ft ft_gen = { .upm_sensor_init_name = &upm_gsr_init_str, .upm_sensor_close = &upm_gsr_close, .upm_sensor_get_descriptor = &upm_gsr_get_descriptor }; /* 2. RAW function table */ static const upm_raw_ft ft_raw = { .upm_raw_set_offset = &upm_gsr_set_offset, .upm_raw_set_scale = &upm_gsr_set_scale, .upm_raw_get_value = &upm_gsr_get_value }; const void* upm_gsr_get_ft(upm_sensor_t sensor_type) { switch(sensor_type) { case UPM_SENSOR: return &ft_gen; case UPM_RAW: return &ft_raw; default: return NULL; } } void* upm_gsr_init_str(const char* protocol, const char* params) { fprintf(stderr, "String initialization - not implemented, using ain0: %s\n", __FILENAME__); return gsr_init(0); } void upm_gsr_close(void* dev) { gsr_close((gsr_context)dev); } const upm_sensor_descriptor_t upm_gsr_get_descriptor() { /* Fill in the descriptor */ upm_sensor_descriptor_t usd; usd.name = upm_gsr_name; usd.description = upm_gsr_description; usd.protocol_size = 1; usd.protocol = upm_gsr_protocol; usd.category_size = 1; usd.category = upm_gsr_category; return usd; } upm_result_t upm_gsr_set_offset(const void* dev, float offset) { return gsr_set_offset((gsr_context)dev, offset); } upm_result_t upm_gsr_set_scale(const void* dev, float scale) { return gsr_set_scale((gsr_context)dev, scale); } upm_result_t upm_gsr_get_value(const void* dev, float *value) { return gsr_get_volts((gsr_context)dev, value); }