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battery manager test code

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This commit is contained in:
Empire 2021-01-30 23:28:15 +01:00
parent 4a00af5506
commit d4ccab6ea5
5 changed files with 301 additions and 172 deletions
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52
esp32test/Esp32DeepSleepTest/include/DS18B20.h
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@ -1,52 +0,0 @@
/**
* @file DS18B20.h
* @author your name (you@domain.com)
* @brief
* @version 0.1
* @date 2020-06-09
*
* @copyright Copyright (c) 2020
* Based on the LUA code from the ESP8266
* --------------------------------------------------------------------------------
* -- DS18B20 one wire module for NODEMCU
* -- NODEMCU TEAM
* -- LICENCE: http://opensource.org/licenses/MIT
* -- Vowstar <vowstar@nodemcu.com>
* -- 2015/02/14 sza2 <sza2trash@gmail.com> Fix for negative values
* --------------------------------------------------------------------------------
*/
#ifndef DS18B20_H
#define DS18B20_H
#include <OneWire.h>
class Ds18B20 {
private:
OneWire* mDs;
int foundDevices;
public:
Ds18B20(int pin) {
this->mDs = new OneWire(pin);
}
~Ds18B20() {
delete this->mDs;
}
/**
* @brief read amount sensots
* check for available of DS18B20 sensors
* @return amount of sensors
*/
int readDevices(void);
/**
* @brief Read all temperatures in celsius
*
* @param pTemperatures array of float valuies
* @param maxTemperatures size of the given array
* @return int amount of read temperature values
*/
int readAllTemperatures(float* pTemperatures, int maxTemperatures);
};
#endif

74
esp32test/Esp32DeepSleepTest/include/DS2438.h Normal file
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@ -0,0 +1,74 @@
/*
* DS2438.h
*
* by Joe Bechter
*
* (C) 2012, bechter.com
*
* All files, software, schematics and designs are provided as-is with no warranty.
* All files, software, schematics and designs are for experimental/hobby use.
* Under no circumstances should any part be used for critical systems where safety,
* life or property depends upon it. You are responsible for all use.
* You are free to use, modify, derive or otherwise extend for your own non-commercial purposes provided
* 1. No part of this software or design may be used to cause injury or death to humans or animals.
* 2. Use is non-commercial.
* 3. Credit is given to the author (i.e. portions © bechter.com), and provide a link to the original source.
*
*/
#ifndef DS2438_h
#define DS2438_h
#include <Arduino.h>
#include <OneWire.h>
#define DS2438_TEMPERATURE_CONVERSION_COMMAND 0x44
#define DS2438_VOLTAGE_CONVERSION_COMMAND 0xb4
#define DS2438_WRITE_SCRATCHPAD_COMMAND 0x4e
#define DS2438_COPY_SCRATCHPAD_COMMAND 0x48
#define DS2438_READ_SCRATCHPAD_COMMAND 0xbe
#define DS2438_RECALL_MEMORY_COMMAND 0xb8
#define DS2438_PAGE_0 0x00
#define DS2438_CHA 0
#define DS2438_CHB 1
#define DS2438_MODE_CHA 0x01
#define DS2438_MODE_CHB 0x02
#define DS2438_MODE_TEMPERATURE 0x04
#define DS2438_TEMPERATURE_DELAY 10
#define DS2438_VOLTAGE_CONVERSION_DELAY 8
typedef uint8_t DeviceAddress[8];
class DS2438 {
public:
DS2438(OneWire *ow);
DS2438(OneWire *ow, uint8_t *address);
void begin();
void update();
double getTemperature();
float getVoltage(int channel=DS2438_CHA);
boolean isError();
boolean isFound();
private:
bool validAddress(const uint8_t*);
bool validFamily(const uint8_t* deviceAddress);
bool deviceFound = false;
OneWire *_ow;
DeviceAddress _address;
uint8_t _mode;
double _temperature;
float _voltageA;
float _voltageB;
boolean _error;
boolean startConversion(int channel, boolean doTemperature);
boolean selectChannel(int channel);
void writePageZero(uint8_t *data);
boolean readPageZero(uint8_t *data);
};
#endif

105
esp32test/Esp32DeepSleepTest/src/DS18B20.cpp
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@ -1,105 +0,0 @@
/**
* @file DS18B20.cpp
* @author your name (you@domain.com)
* @brief
* @version 0.1
* @date 2020-06-09
*
* @copyright Copyright (c) 2020
*
*/
#include "DS18B20.h"
#define STARTCONV 0x44
#define READSCRATCH 0xBE // Read EEPROM
#define TEMP_LSB 0
#define TEMP_MSB 1
#define SCRATCHPADSIZE 9
#define OFFSET_CRC8 8 /**< 9th byte has the CRC of the complete data */
//Printf debugging
//#define DS_DEBUG
int Ds18B20::readDevices() {
byte addr[8];
int amount = -1;
while (this->mDs->search(addr)) {
amount++;
}
this->mDs->reset_search();
return amount;
}
int Ds18B20::readAllTemperatures(float* pTemperatures, int maxTemperatures) {
byte addr[8];
uint8_t scratchPad[SCRATCHPADSIZE];
int currentTemp = 0;
while (this->mDs->search(addr)) {
#ifdef DS_DEBUG
Serial.print(" ROM =");
for (i = 0; i < 8; i++) {
Serial.write(' ');
Serial.print(addr[i], HEX);
}
#endif
this->mDs->reset();
this->mDs->select(addr);
this->mDs->write(STARTCONV);
this->mDs->reset();
this->mDs->select(addr);
this->mDs->write(READSCRATCH);
// Read all registers in a simple loop
// byte 0: temperature LSB
// byte 1: temperature MSB
// byte 2: high alarm temp
// byte 3: low alarm temp
// byte 4: DS18S20: store for crc
// DS18B20 & DS1822: configuration register
// byte 5: internal use & crc
// byte 6: DS18S20: COUNT_REMAIN
// DS18B20 & DS1822: store for crc
// byte 7: DS18S20: COUNT_PER_C
// DS18B20 & DS1822: store for crc
// byte 8: SCRATCHPAD_CRC
#ifdef DS_DEBUG
Serial.write("\r\nDATA:");
for (uint8_t i = 0; i < 9; i++) {
Serial.print(scratchPad[i], HEX);
}
#else
delay(50);
#endif
for (uint8_t i = 0; i < 9; i++) {
scratchPad[i] = this->mDs->read();
}
uint8_t crc8 = this->mDs->crc8(scratchPad, 8);
/* Only work an valid data */
if (crc8 == scratchPad[OFFSET_CRC8]) {
int16_t fpTemperature = (((int16_t) scratchPad[TEMP_MSB]) << 11)
| (((int16_t) scratchPad[TEMP_LSB]) << 3);
float celsius = (float) fpTemperature * 0.0078125;
#ifdef DS_DEBUG
Serial.printf("\r\nTemp%d %f °C (Raw: %d, %x =? %x)\r\n", (currentTemp+1), celsius, fpTemperature, crc8, scratchPad[8]);
#endif
/* check, if the buffer as some space for our data */
if (currentTemp < maxTemperatures) {
pTemperatures[currentTemp] = celsius;
} else {
return -1;
}
}
currentTemp++;
}
this->mDs->reset();
#ifdef DS_DEBUG
Serial.println(" No more addresses.");
Serial.println();
#endif
return currentTemp;
}

203
esp32test/Esp32DeepSleepTest/src/DS2438.cpp Normal file
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@ -0,0 +1,203 @@
/*
* DS2438.cpp
*
* by Joe Bechter
*
* (C) 2012, bechter.com
*
* All files, software, schematics and designs are provided as-is with no warranty.
* All files, software, schematics and designs are for experimental/hobby use.
* Under no circumstances should any part be used for critical systems where safety,
* life or property depends upon it. You are responsible for all use.
* You are free to use, modify, derive or otherwise extend for your own non-commercial purposes provided
* 1. No part of this software or design may be used to cause injury or death to humans or animals.
* 2. Use is non-commercial.
* 3. Credit is given to the author (i.e. portions © bechter.com), and provide a link to the original source.
*
*/
#include "DS2438.h"
// DSROM FIELDS
#define DSROM_FAMILY 0
#define DSROM_CRC 7
#define DS2438MODEL 0x26
DS2438::DS2438(OneWire *ow) {
_ow = ow;
};
void DS2438::begin(){
DeviceAddress searchDeviceAddress;
_ow->reset_search();
memset(searchDeviceAddress,0, 8);
_temperature = 0;
_voltageA = 0.0;
_voltageB = 0.0;
_error = true;
_mode = (DS2438_MODE_CHA | DS2438_MODE_CHB | DS2438_MODE_TEMPERATURE);
deviceFound = false; // Reset the number of devices when we enumerate wire devices
while (_ow->search(searchDeviceAddress)) {
if (validAddress(searchDeviceAddress)) {
if (validFamily(searchDeviceAddress)) {
memcpy(_address,searchDeviceAddress,8);
deviceFound = true;
}
}
}
}
bool DS2438::isFound(){
return deviceFound;
}
bool DS2438::validAddress(const uint8_t* deviceAddress) {
return (_ow->crc8(deviceAddress, 7) == deviceAddress[DSROM_CRC]);
}
bool DS2438::validFamily(const uint8_t* deviceAddress) {
switch (deviceAddress[DSROM_FAMILY]) {
case DS2438MODEL:
return true;
default:
return false;
}
}
void DS2438::update() {
uint8_t data[9];
_error = true;
if(!isFound()){
return;
}
if (_mode & DS2438_MODE_CHA || _mode == DS2438_MODE_TEMPERATURE) {
boolean doTemperature = _mode & DS2438_MODE_TEMPERATURE;
if (!startConversion(DS2438_CHA, doTemperature)) {
Serial.println("Error starting temp conversion ds2438 channel a");
return;
}
if (!readPageZero(data)){
Serial.println("Error reading zero page ds2438 channel a");
return;
}
if (doTemperature) {
_temperature = (double)(((((int16_t)data[2]) << 8) | (data[1] & 0x0ff)) >> 3) * 0.03125;
}
if (_mode & DS2438_MODE_CHA) {
_voltageA = (((data[4] << 8) & 0x00300) | (data[3] & 0x0ff)) / 100.0;
}
}
if (_mode & DS2438_MODE_CHB) {
boolean doTemperature = _mode & DS2438_MODE_TEMPERATURE && !(_mode & DS2438_MODE_CHA);
if (!startConversion(DS2438_CHB, doTemperature)) {
Serial.println("Error starting temp conversion channel b ds2438");
return;
}
if (!readPageZero(data)){
Serial.println("Error reading zero page ds2438 channel b");
return;
}
if (doTemperature) {
int16_t upperByte = ((int16_t)data[2]) << 8;
int16_t lowerByte = data[1] >> 3;
int16_t fullByte = (upperByte | lowerByte);
_temperature = ((double)fullByte) * 0.03125;
}
_voltageB = (((data[4] << 8) & 0x00300) | (data[3] & 0x0ff)) / 100.0;
}
_error = false;
}
double DS2438::getTemperature() {
return _temperature;
}
float DS2438::getVoltage(int channel) {
if (channel == DS2438_CHA) {
return _voltageA;
} else if (channel == DS2438_CHB) {
return _voltageB;
} else {
return 0.0;
}
}
boolean DS2438::isError() {
return _error;
}
boolean DS2438::startConversion(int channel, boolean doTemperature) {
if(!isFound()){
return false;
}
if (!selectChannel(channel)){
return false;
}
_ow->reset();
_ow->select(_address);
if (doTemperature) {
_ow->write(DS2438_TEMPERATURE_CONVERSION_COMMAND, 0);
delay(DS2438_TEMPERATURE_DELAY);
_ow->reset();
_ow->select(_address);
}
_ow->write(DS2438_VOLTAGE_CONVERSION_COMMAND, 0);
delay(DS2438_VOLTAGE_CONVERSION_DELAY);
return true;
}
boolean DS2438::selectChannel(int channel) {
if(!isFound()){
return false;
}
uint8_t data[9];
if (readPageZero(data)) {
if (channel == DS2438_CHB){
data[0] = data[0] | 0x08;
}
else {
data[0] = data[0] & 0xf7;
}
writePageZero(data);
return true;
}
Serial.println("Could not read page zero data");
return false;
}
void DS2438::writePageZero(uint8_t *data) {
_ow->reset();
_ow->select(_address);
_ow->write(DS2438_WRITE_SCRATCHPAD_COMMAND, 0);
_ow->write(DS2438_PAGE_0, 0);
for (int i = 0; i < 8; i++){
_ow->write(data[i], 0);
}
_ow->reset();
_ow->select(_address);
_ow->write(DS2438_COPY_SCRATCHPAD_COMMAND, 0);
_ow->write(DS2438_PAGE_0, 0);
}
boolean DS2438::readPageZero(uint8_t *data) {
_ow->reset();
_ow->select(_address);
_ow->write(DS2438_RECALL_MEMORY_COMMAND, 0);
_ow->write(DS2438_PAGE_0, 0);
_ow->reset();
_ow->select(_address);
_ow->write(DS2438_READ_SCRATCHPAD_COMMAND, 0);
_ow->write(DS2438_PAGE_0, 0);
for (int i = 0; i < 9; i++){
data[i] = _ow->read();
}
return _ow->crc8(data, 8) == data[8];
}

39
esp32test/Esp32DeepSleepTest/src/main.cpp
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@ -1,7 +1,7 @@
#include <Arduino.h>
#include "esp_sleep.h"
#include <DS18B20.h>
#include "DallasTemperature.h"
#include "DS2438.h"
#define uS_TO_S_FACTOR 1000000 /* Conversion factor for micro seconds to seconds */
#define TIME_TO_SLEEP 5 /* Time ESP32 will go to sleep (in seconds) */
@ -34,9 +34,9 @@ RTC_DATA_ATTR int bootCount = 0;
RTC_DATA_ATTR int pumpActive = 0;
int secondBootCount = 0;
Ds18B20 ds(SENSOR_DS18B20);
OneWire oneWire(SENSOR_DS18B20);
DallasTemperature sensors(&oneWire);
DallasTemperature temp(&oneWire);
DS2438 battery(&oneWire);
void print_wakeup_reason(){
@ -95,24 +95,33 @@ void setup() {
/* activate power pump and pump 0 */
digitalWrite(OUTPUT_PUMP, HIGH);
digitalWrite(OUTPUT_SENSOR, HIGH);
delay(1);
temp.begin();
battery.begin();
}
void loop() {
Serial.println("test");
delay(200);
digitalWrite(OUTPUT_PUMP0, HIGH);
sensors.begin();
for(int j=0; j < 5 && sensors.getDeviceCount() == 0; j++) {
delay(100);
sensors.begin();
Serial.println("Reset 1wire");
for(int j=0; j < 5 && temp.getDeviceCount() == 0; j++) {
delay(10);
Serial.println("Reset 1wire temp");
temp.begin();
}
Serial.println(sensors.getDeviceCount());
for(int j=0; j < 5 && (0 == battery.isFound()); j++) {
delay(10);
Serial.println("Reset 1wire bat");
battery.begin();
battery.update();
}
battery.update();
Serial.print(battery.getVoltage(0));
Serial.print("\t");
Serial.print(battery.getVoltage(1));
Serial.print("\t");
Serial.println(battery.getTemperature());
}