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16f859dafd
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.
108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
/*
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* Copyright (C) 2020 iosabi
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup drivers_si1133
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* @{
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*
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* @file
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* @brief SAUL adaption for SI1133 devices
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*
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* @author iosabi <iosabi@protonmail.com>
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*
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* @}
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*/
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#include "saul.h"
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#include "si1133.h"
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static int read_uv(const void *dev, phydat_t *res)
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{
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if (si1133_easy_configure((si1133_t *)dev,
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SI1133_SENS_UV | SI1133_SENS_DEEP_UV,
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/*sample_time_log=*/ 1,
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/*sw_gain=*/ 0) != 0) {
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return -ECANCELED;
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}
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int32_t values[2];
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if (si1133_capture_sensors((si1133_t *)dev, values,
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ARRAY_SIZE(values)) != 0) {
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return -ECANCELED;
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}
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for (uint8_t i = 0; i < ARRAY_SIZE(values); i++) {
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res->val[i] = values[i];
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}
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res->unit = UNIT_NONE; /* UV index */
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res->scale = 0;
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return ARRAY_SIZE(values);
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}
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static int read_ir(const void *dev, phydat_t *res)
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{
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if (si1133_easy_configure((si1133_t *)dev,
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SI1133_SENS_SMALL_IR | SI1133_SENS_MEDIUM_IR |
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SI1133_SENS_LARGE_IR,
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/*sample_time_log=*/ 1,
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/*sw_gain=*/ 0) != 0) {
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return -ECANCELED;
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}
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int32_t values[3];
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if (si1133_capture_sensors((si1133_t *)dev, values,
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ARRAY_SIZE(values)) != 0) {
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return -ECANCELED;
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}
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for (uint8_t i = 0; i < ARRAY_SIZE(values); i++) {
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res->val[i] = values[i];
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}
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res->unit = UNIT_LUX;
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res->scale = 0;
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return ARRAY_SIZE(values);
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}
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static int read_white(const void *dev, phydat_t *res)
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{
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if (si1133_easy_configure((si1133_t *)dev,
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SI1133_SENS_WHITE | SI1133_SENS_LARGE_WHITE,
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/*sample_time_log=*/ 1,
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/*sw_gain=*/ 0) != 0) {
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return -ECANCELED;
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}
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int32_t values[2];
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if (si1133_capture_sensors((si1133_t *)dev, values,
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ARRAY_SIZE(values)) != 0) {
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return -ECANCELED;
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}
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for (uint8_t i = 0; i < ARRAY_SIZE(values); i++) {
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res->val[i] = values[i];
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}
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res->unit = UNIT_LUX;
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res->scale = 0;
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return ARRAY_SIZE(values);
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}
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const saul_driver_t si1133_uv_saul_driver = {
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.read = read_uv,
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.write = saul_write_notsup,
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.type = SAUL_SENSE_UV
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};
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const saul_driver_t si1133_ir_saul_driver = {
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.read = read_ir,
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.write = saul_write_notsup,
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.type = SAUL_SENSE_LIGHT
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};
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const saul_driver_t si1133_visible_saul_driver = {
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.read = read_white,
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.write = saul_write_notsup,
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.type = SAUL_SENSE_LIGHT
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};
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