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37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/*
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* This file is part of the canbus4bta project.
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* Copyright 2024 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "encoder.h"
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#include "flash.h"
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#include "spi.h"
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#include "usart.h"
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void encoder_setup(){
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if(FLAG(ENC_IS_SSI)) spi_setup(ENCODER_SPI);
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else usart_setup();
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}
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// read encoder value into buffer `outbuf`
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// return TRUE if all OK
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int read_encoder(uint8_t outbuf[4]){
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if(!FLAG(ENC_IS_SSI)) return FALSE;
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*((uint32_t*)outbuf) = 0;
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return spi_writeread(ENCODER_SPI, outbuf, 4);
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}
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