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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.
39 lines
777 B
C
39 lines
777 B
C
/*
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* Copyright (C) 2017 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_grove_ledbar
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* @{
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*
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* @file
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* @brief Grove LED bar adaption to SAUL
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*
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* @author Sebastian Meiling <s@mlng.net>
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*
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* @}
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*/
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#include <string.h>
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#include <stdio.h>
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#include "saul.h"
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#include "grove_ledbar.h"
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static int set_ledbar(const void *dev, const phydat_t *res)
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{
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uint8_t lvl = (uint8_t)res->val[0];
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grove_ledbar_set((grove_ledbar_t *)dev, lvl);
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return 1;
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}
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const saul_driver_t grove_ledbar_saul_driver = {
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.read = saul_read_notsup,
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.write = set_ledbar,
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.type = SAUL_ACT_LED_RGB,
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};
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