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restructuring

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This commit is contained in:
Edward Emelianov
2022-03-10 11:04:14 +03:00
parent 29560b7c0c
commit 733dbd75d2
1758 changed files with 14 additions and 26855 deletions
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F0:F030,F042,F072/Servo/adc.c Normal file
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/*
* This file is part of the Chiller project.
* Copyright 2018 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "adc.h"
/**
* @brief ADC_array - array for ADC channels with median filtering:
* 0..3 - external channels
* 4 - internal Tsens
* 5 - Vref
*/
#define TSENS_CHAN (4)
#define VREF_CHAN (5)
uint16_t ADC_array[NUMBER_OF_ADC_CHANNELS*9];
/**
* @brief getADCval - calculate median value for `nch` channel
* @param nch - number of channel
* @return
*/
uint16_t getADCval(int nch){
int i, addr = nch;
register uint16_t temp;
#define PIX_SORT(a,b) { if ((a)>(b)) PIX_SWAP((a),(b)); }
#define PIX_SWAP(a,b) { temp=(a);(a)=(b);(b)=temp; }
uint16_t p[9];
for(i = 0; i < 9; ++i, addr += NUMBER_OF_ADC_CHANNELS) // first we should prepare array for optmed
p[i] = ADC_array[addr];
PIX_SORT(p[1], p[2]) ; PIX_SORT(p[4], p[5]) ; PIX_SORT(p[7], p[8]) ;
PIX_SORT(p[0], p[1]) ; PIX_SORT(p[3], p[4]) ; PIX_SORT(p[6], p[7]) ;
PIX_SORT(p[1], p[2]) ; PIX_SORT(p[4], p[5]) ; PIX_SORT(p[7], p[8]) ;
PIX_SORT(p[0], p[3]) ; PIX_SORT(p[5], p[8]) ; PIX_SORT(p[4], p[7]) ;
PIX_SORT(p[3], p[6]) ; PIX_SORT(p[1], p[4]) ; PIX_SORT(p[2], p[5]) ;
PIX_SORT(p[4], p[7]) ; PIX_SORT(p[4], p[2]) ; PIX_SORT(p[6], p[4]) ;
PIX_SORT(p[4], p[2]) ;
return p[4];
#undef PIX_SORT
#undef PIX_SWAP
}
// return MCU temperature (degrees of celsius * 10)
int32_t getMCUtemp(){
getVdd();
// make correction on Vdd value
// int32_t temperature = (int32_t)ADC_array[4] * VddValue / 330;
int32_t ADval = getADCval(TSENS_CHAN);
int32_t temperature = (int32_t) *TEMP30_CAL_ADDR - ADval;
temperature *= (int32_t)(1100 - 300);
temperature /= (int32_t)(*TEMP30_CAL_ADDR - *TEMP110_CAL_ADDR);
temperature += 300;
return(temperature);
}
// return Vdd * 100 (V)
uint32_t getVdd(){
uint32_t vdd = ((uint32_t) *VREFINT_CAL_ADDR) * (uint32_t)330; // 3.3V
vdd /= getADCval(VREF_CHAN);
return vdd;
}